add docs for knative

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com>

.gitbook.yaml

@@ -17,3 +17,4 @@ redirects:
   usage/kuma-progressive-delivery: tutorials/kuma-progressive-delivery.md
   usage/gatewayapi-progressive-delivery: tutorials/gatewayapi-progressive-delivery.md
   usage/apisix-progressive-delivery: tutorials/apisix-progressive-delivery.md
+  usage/knative-progressive-delivery: tutorials/knative-progressive-delivery.md

.github/CODEOWNERS

@@ -1 +1 @@
-*   @stefanprodan
+*   @stefanprodan @aryan9600

.github/dependabot.yml

@@ -3,5 +3,15 @@ version: 2
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
+    labels: ["area/ci", "dependencies"]
+    groups:
+      # Group all updates together, so that they are all applied in a single PR.
+      # Grouped updates are currently in beta and is subject to change.
+      # xref: https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#groups
+      ci:
+        patterns:
+          - "*"
     schedule:
+      # By default, this will be on a monday.
       interval: "weekly"
+

.github/workflows/build.yaml

@@ -14,27 +14,25 @@ permissions:
 
 jobs:
   build-flagger:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
+      labels: ubuntu-latest-16-cores
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
-      - name: Restore Go cache
-        uses: actions/cache@v3.3.1
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+        uses: actions/checkout@v4
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: 1.19.x
+          go-version: 1.23.x
+          cache-dependency-path: |
+            **/go.sum
+            **/go.mod
       - name: Download modules
         run: |
           go mod download
           go install golang.org/x/tools/cmd/goimports
       - name: Run linters
-        run: make test-fmt test-codegen
+        run: make fmt test-codegen
       - name: Verify CRDs
         run: make verify-crd
       - name: Run tests
@@ -47,7 +45,7 @@ jobs:
             exit 1
           fi
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           file: ./coverage.txt
       - name: Build container image

.github/workflows/e2e.yaml

@@ -14,7 +14,9 @@ permissions:
 
 jobs:
   e2e-test:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
+      labels: ubuntu-latest-16-cores
     strategy:
       fail-fast: false
       matrix:
@@ -33,13 +35,22 @@ jobs:
           - gatewayapi
           - keda
           - apisix
+          - knative
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.5.0
+        uses: helm/kind-action@v1.12.0
+        if: matrix.provider != 'skipper'
         with:
-          version: v0.18.0
+          version: v0.23.0
+          cluster_name: kind
+          node_image: kindest/node:v1.30.0@sha256:047357ac0cfea04663786a612ba1eaba9702bef25227a794b52890dd8bcd692e
+      - name: Setup Kubernetes for skipper
+        uses: helm/kind-action@v1.12.0
+        if: matrix.provider == 'skipper'
+        with:
+          version: v0.23.0
           cluster_name: kind
           node_image: kindest/node:v1.24.12@sha256:0bdca26bd7fe65c823640b14253ea7bac4baad9336b332c94850f84d8102f873
       - name: Build container image

.github/workflows/helm.yaml

@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish Helm charts
         uses: stefanprodan/helm-gh-pages@v1.7.0
         with:

.github/workflows/push-ld.yml

@@ -10,13 +10,14 @@ permissions:
 
 jobs:
   release-load-tester:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
     permissions:
       id-token: write
       packages: write
     steps:
-      - uses: actions/checkout@v3
-      - uses: sigstore/cosign-installer@v2.8.1
+      - uses: actions/checkout@v4
+      - uses: sigstore/cosign-installer@v3.7.0
       - name: Prepare
         id: prep
         run: |
@@ -24,26 +25,27 @@ jobs:
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: fluxcdbot
           password: ${{ secrets.GHCR_TOKEN }}
       - name: Generate image meta
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: |
             ${{ env.IMAGE }}
           tags: |
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish image
-        uses: docker/build-push-action@v4
+        id: build-push
+        uses: docker/build-push-action@v6
         with:
           push: true
           builder: ${{ steps.buildx.outputs.name }}
@@ -58,4 +60,4 @@ jobs:
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
-          cosign sign ${{ env.IMAGE }}:${{ steps.prep.outputs.VERSION }}
+          cosign sign --yes ${{ env.IMAGE }}@${{ steps.build-push.outputs.digest }}

.github/workflows/release.yml

@@ -18,15 +18,22 @@ env:
 
 jobs:
   release-flagger:
-    runs-on: ubuntu-latest
+    outputs:
+      hashes: ${{ steps.slsa.outputs.hashes }}
+    runs-on:
+      group: "Default Larger Runners"
     permissions:
       contents: write # needed to write releases
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.23.x
       - uses: fluxcd/flux2/action@main
-      - uses: sigstore/cosign-installer@v2.8.1
+      - uses: sigstore/cosign-installer@v3.7.0
       - name: Prepare
         id: prep
         run: |
@@ -40,26 +47,27 @@ jobs:
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: fluxcdbot
           password: ${{ secrets.GHCR_TOKEN }}
       - name: Generate image meta
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: |
             ${{ env.IMAGE }}
           tags: |
             type=raw,value=${{ steps.prep.outputs.VERSION }}
       - name: Publish image
-        uses: docker/build-push-action@v4
+        id: build-push
+        uses: docker/build-push-action@v6
         with:
           sbom: true
           provenance: true
@@ -76,7 +84,20 @@ jobs:
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
-          cosign sign ${{ env.IMAGE }}:${{ steps.prep.outputs.VERSION }}
+          cosign sign --yes ${{ env.IMAGE }}@${{ steps.build-push.outputs.digest }}
+      - name: Publish signed manifests to GHCR
+        if: startsWith(github.ref, 'refs/tags/v')
+        env:
+          COSIGN_EXPERIMENTAL: 1
+        run: |
+          OCI_URL=$(flux push artifact \
+            oci://ghcr.io/fluxcd/flagger-manifests:${{ steps.prep.outputs.VERSION }} \
+            --path="./kustomize" \
+            --source="$(git config --get remote.origin.url)" \
+            --revision="${{ steps.prep.outputs.VERSION }}/$(git rev-parse HEAD)" \
+            --output json | \
+            jq -r '. | .repository + "@" + .digest')
+          cosign sign --yes ${OCI_URL}
       - name: Publish Helm charts
         if: startsWith(github.ref, 'refs/tags/v')
         uses: stefanprodan/helm-gh-pages@v1.7.0
@@ -86,32 +107,47 @@ jobs:
           linting: off
       - uses: fluxcd/pkg/actions/helm@main
         with:
-          version: 3.10.1
+          version: 3.12.3
       - name: Publish signed Helm chart to GHCR
         if: startsWith(github.ref, 'refs/tags/v')
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
           helm package charts/flagger
-          helm push flagger-${{ steps.prep.outputs.VERSION }}.tgz oci://ghcr.io/fluxcd/charts
-          cosign sign ghcr.io/fluxcd/charts/flagger:${{ steps.prep.outputs.VERSION }}
+          helm push flagger-${{ steps.prep.outputs.VERSION }}.tgz oci://ghcr.io/fluxcd/charts |& tee .digest
+          cosign sign --yes ghcr.io/fluxcd/charts/flagger@$(cat .digest | awk -F "[, ]+" '/Digest/{print $NF}')
           rm flagger-${{ steps.prep.outputs.VERSION }}.tgz
-      - name: Publish signed manifests to GHCR
-        if: startsWith(github.ref, 'refs/tags/v')
-        env:
-          COSIGN_EXPERIMENTAL: 1
-        run: |
-          flux push artifact oci://ghcr.io/fluxcd/flagger-manifests:${{ steps.prep.outputs.VERSION }} \
-          --path="./kustomize" \
-          --source="$(git config --get remote.origin.url)" \
-          --revision="${{ steps.prep.outputs.VERSION }}/$(git rev-parse HEAD)"
-          cosign sign ghcr.io/fluxcd/flagger-manifests:${{ steps.prep.outputs.VERSION }}
+          rm .digest
       - uses: anchore/sbom-action/download-syft@v0
       - name: Create release and SBOM
-        uses: goreleaser/goreleaser-action@v4
+        id: run-goreleaser
+        uses: goreleaser/goreleaser-action@v6
         if: startsWith(github.ref, 'refs/tags/v')
         with:
           version: latest
-          args: release --release-notes=notes.md --rm-dist --skip-validate
+          args: release --release-notes=notes.md --clean --skip=validate
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Generate SLSA metadata
+        id: slsa
+        if: startsWith(github.ref, 'refs/tags/v')
+        env:
+          ARTIFACTS: "${{ steps.run-goreleaser.outputs.artifacts }}"
+        run: |
+          set -euo pipefail
+          
+          hashes=$(echo -E $ARTIFACTS | jq --raw-output '.[] | {name, "digest": (.extra.Digest // .extra.Checksum)} | select(.digest) | {digest} + {name} | join("  ") | sub("^sha256:";"")' | base64 -w0)
+          echo "hashes=$hashes" >> $GITHUB_OUTPUT
+
+  release-provenance:
+    needs: [release-flagger]
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      actions: read # for detecting the Github Actions environment.
+      id-token: write # for creating OIDC tokens for signing.
+      contents: write # for uploading attestations to GitHub releases.
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
+    with:
+      provenance-name: "provenance.intoto.jsonl"
+      base64-subjects: "${{ needs.release-flagger.outputs.hashes }}"
+      upload-assets: true

.github/workflows/scan.yml

@@ -17,9 +17,9 @@ jobs:
     permissions:
       security-events: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run FOSSA scan and upload build data
-        uses: fossa-contrib/fossa-action@v2
+        uses: fossa-contrib/fossa-action@v3
         with:
           # FOSSA Push-Only API Token
           fossa-api-key: 5ee8bf422db1471e0bcf2bcb289185de
@@ -30,12 +30,16 @@ jobs:
       security-events: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.23.x
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v3
         with:
           languages: go
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v2
+        uses: github/codeql-action/autobuild@v3
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v3

.goreleaser.yml

@@ -23,6 +23,7 @@ signs:
     certificate: '${artifact}.pem'
     args:
       - sign-blob
+      - "--yes"
       - '--output-certificate=${certificate}'
       - '--output-signature=${signature}'
       - '${artifact}'

CHANGELOG.md

@@ -2,6 +2,356 @@
 
 All notable changes to this project are documented in this file.
 
+## 1.40.0
+
+**Release date:** 2024-12-17
+
+This release comes with support for Splunk Observability (formerly SignalFx) as a metrics provider.
+For more information on how to write `MetricTemplates` for Splunk, please see the
+[Splunk metrics tutorial](https://docs.flagger.app/usage/metrics#s#splunk).
+
+Starting with this version, Flagger is compatible with the
+[AWS Gateway API Controller](https://www.gateway-api-controller.eks.aws.dev/latest/).
+
+Both Flagger and the load tester Go dependencies have been updated to fix various CVEs.
+
+#### Improvements
+- Add Splunk as a metrics provider
+  [#1733](https://github.com/fluxcd/flagger/pull/1733)
+- Preserve HTTPRoute annotations injected by AWS Gateway API
+  [#1746](https://github.com/fluxcd/flagger/pull/1746)
+- Automate `zz_generated.deepcopy.go` updates with make codegen
+  [#1735](https://github.com/fluxcd/flagger/pull/1735)
+- Update dependencies
+  [#1744](https://github.com/fluxcd/flagger/pull/1744)
+
+## 1.39.0
+
+**Release date:** 2024-11-26
+
+This release comes with fixes and improvements. There is a new
+`.spec.analysis.webhooks[].disableTLS` field which disables TLS verification
+for that webhook request.
+A bug in the Gateway API provider was fixed which could lead to unecessary restarts.
+
+This release is built with Go 1.23. Lastly, all Go dependencies, Alpine and
+Kubernetes libraries were updated.
+
+#### Improvements
+- Add validation for `primaryScalerReplicas` field in the CRD
+  [#1702](https://github.com/fluxcd/flagger/pull/1702)
+- feat: add `disableTLS` option for webhooks request
+  [#1709](https://github.com/fluxcd/flagger/pull/1709)
+- Update dependencies to Kubernetes v1.31.3
+  [#1723](https://github.com/fluxcd/flagger/pull/1723)
+- Update generated client for Kubernetes 1.31
+  [#1725](https://github.com/fluxcd/flagger/pull/1725)
+- Build with Go 1.23
+  [#1726](https://github.com/fluxcd/flagger/pull/1726)
+
+#### Fixes
+- Gateway API: Sort header filters to avoid canary restarts
+  [#1713](https://github.com/fluxcd/flagger/pull/1713)
+- fix: fix codegen script and update generated code
+  [#1724](https://github.com/fluxcd/flagger/pull/1724)
+- fix(helm): podinfo fails to create the hpa object
+  [#1721](https://github.com/fluxcd/flagger/pull/1721)
+
+## 1.38.0
+
+**Release date:** 2024-07-30
+
+This release comes with several fixes and improvements. There is a new [Keptn
+metrics provider](https://docs.flagger.app/usage/metrics#keptn) that can be used
+for flexible grading logic and analysis.
+The loadtester chart now supports ServiceAccount annotations and the Flagger
+chart now supports specifying `honorLabels` for the PodMonitor.
+
+Support for Kuma has been fixed and verified against Kuma 2.7.5. Also, the
+Deployment scaling has been updated to use `Patch` instead of `Update` to avoid
+intermittent conflict errors. Furthermore, a potential panic that could be
+caused due to Prometheus returning a range vector has been fixed. Also, the
+`request-duration` inbuilt query for Nginx has been updated to be more accurate.
+
+Lastly, all Go dependencies, Alpine and Kubernetes libraries were updated.
+
+#### Important
+
+The update to Kubernetes libraries also brings an unwanted side-effect. Due to
+a change in upstream Kubernetes, sidecar support is done through a new field,
+which may be utilized by other services in your cluster. This would change the
+hash calculated by Flagger between runs and trigger an unwanted Canary
+analysis. Unfortunately, this is unavoidable. To get around this, users could
+set the `.spec.suspend` field to be true before updating to this version and
+switch it back when they update their application.
+
+#### Improvements
+- Bumps golang.org/x/net to v0.23.0
+  [#1628](https://github.com/fluxcd/flagger/pull/1628)
+- feat: implement a Keptn metrics provider
+  [#1630](https://github.com/fluxcd/flagger/pull/1630)
+- Update dependencies to Kubernetes 1.30
+  [#1638](https://github.com/fluxcd/flagger/pull/1638)
+- loadtester: add support for annotation on service account
+  [#1649](https://github.com/fluxcd/flagger/pull/1649)
+- Bump golang.org/x/net to v0.25.0 and other deps.
+  [#1653](https://github.com/fluxcd/flagger/pull/1653)
+- Update Go dependencies and Alpine
+  [#1656](https://github.com/fluxcd/flagger/pull/1656)
+- Helm - Add podMonitor.honor labels
+  [#1676](https://github.com/fluxcd/flagger/pull/1676)
+- kuma: bump e2e version to 2.7.5
+  [#1683](https://github.com/fluxcd/flagger/pull/1683)
+- Release loadtester 0.33.0
+  [#1690](https://github.com/fluxcd/flagger/pull/1690)
+- Bump google.golang.org/grpc from 1.64.0 to 1.64.1
+  [#1675](https://github.com/fluxcd/flagger/pull/1675)
+
+#### Fixes
+- Use `Patch` instead of `Update` for Deployment scaling
+  [#1634](https://github.com/fluxcd/flagger/pull/1634)
+- block panic when prom returns range vector
+  [#1637](https://github.com/fluxcd/flagger/pull/1637)
+- Fix removal of empty keys from flagger chart
+  [#1657](https://github.com/fluxcd/flagger/pull/1657)
+- doc: fix KEDA doc regarding namespaces
+  [#1666](https://github.com/fluxcd/flagger/pull/1666)
+- Fix Nginx request-duration query
+  [#1686](https://github.com/fluxcd/flagger/pull/1686)
+
+## 1.37.0
+
+**Release date:** 2024-03-26
+
+This release updates the Istio APIs to `v1beta1` and fixes several issues related
+to Gloo routing and custom metrics.
+
+Both Flagger and the load tester Go dependencies have been updated to fix various CVEs.
+Flagger and the load tester are now built with Go 1.22.
+
+#### Improvements
+- Migrate Istio VirtualService/DestinationRule APIs to `v1beta1`
+  [#1602](https://github.com/fluxcd/flagger/pull/1602)
+- Add `omitempty` to CRD statuses to allow better marshalling
+  [#1621](https://github.com/fluxcd/flagger/pull/1621)
+- Update dependencies (Go 1.22)
+  [#1622](https://github.com/fluxcd/flagger/pull/1622)
+- Update `google.golang.org/protobuf` to v1.33.0
+  [#1614](https://github.com/fluxcd/flagger/pull/1614)
+
+#### Fixes
+- Update reconciler to detect change in Gloo upstream spec
+  [#1617](https://github.com/fluxcd/flagger/pull/1617)
+- Fix regression bug where query with no metric template returned an error
+  [#1611](https://github.com/fluxcd/flagger/pull/1611)
+
+## 1.36.1
+
+**Release date:** 2024-03-06
+
+This release fixes a bug where `.spec..progressDeadlineSeconds` wasn't respected and the Canary
+was stuck forever waiting for the Deployment to be ready.
+
+Furthermore, the Go dependencies have been updated.
+
+#### Improvements
+- Update Go dependencies
+  [#1607](https://github.com/fluxcd/flagger/pull/1607)
+
+#### Fixes
+- Fix broken link in readme
+  [#1599](https://github.com/fluxcd/flagger/pull/1599)
+- scheduler: fail canary according to progress deadline
+  [#1603](https://github.com/fluxcd/flagger/pull/1603)
+- Actualize link to flux in-depth guide
+  [#1606](https://github.com/fluxcd/flagger/pull/1606)
+
+## 1.36.0
+
+**Release date:** 2024-02-07
+
+This release comes with support for canary releases with traffic shifting using
+Istio TCP routing. For more information on how to enable TCP routing please
+see the [Istio tutorial](https://docs.flagger.app/tutorials/istio-progressive-delivery#canary-deployments-for-tcp-services).
+
+Both Flagger and the load tester Go dependencies have been updated to fix various CVEs.
+Flagger is now built with Go 1.21 and the container base image has been updated to Alpine 3.19.
+
+#### Improvements
+- Istio Canary TCP service support
+  [#1564](https://github.com/fluxcd/flagger/pull/1564)
+- Update Go dependencies
+  [#1595](https://github.com/fluxcd/flagger/pull/1595)
+- Build with Go 1.21 and Alpine 3.19
+  [#1594](https://github.com/fluxcd/flagger/pull/1594)
+
+#### Fixes
+- return an error for missing metric templates
+  [#1582](https://github.com/fluxcd/flagger/pull/1582)
+- istio: make retry attempts a mandatory field
+  [#1571](https://github.com/fluxcd/flagger/pull/1571)
+- fix(pdb): use the full capabilities comparison for PDBs
+  [#1511](https://github.com/fluxcd/flagger/pull/1511)
+
+## 1.35.0
+
+**Release date:** 2023-11-30
+
+This release comes with support for Gateway API `v1`. Furthermore, following the
+deprecation period, support for the `v1alpha2` API has been dropped.
+A new field `.spec.webhooks[].retries` has been added to allow specifying the
+number of retry attempts to make if the webhook server returns an unsuccessful
+response.
+Another new field `.spec.service.trafficPolicy.loadBalancer.warmupDurationSeconds`
+has been added for the corresponding field in Istio's `DestinationRule` API.
+
+Lastly, two bugs related to deleting a Canary object with
+`.spec.revertOnDeletion: true` have been fixed.
+
+#### Improvements
+- Support Istio DestinationRule WarmupDurationSecs
+  [#1540](https://github.com/fluxcd/flagger/pull/1540)
+- feat: Webhook retries
+  [#1541](https://github.com/fluxcd/flagger/pull/1541)
+- gatewayapi: add support for `v1`
+  [#1557](https://github.com/fluxcd/flagger/pull/1557)
+- Update Go dependencies
+  [#1558](https://github.com/fluxcd/flagger/pull/1558)
+
+#### Fixes
+- set original node selector value when finalizing service
+  [#1537](https://github.com/fluxcd/flagger/pull/1537)
+- controller: wait for canary deployment to be ready before removing finalizers
+  [#1552](https://github.com/fluxcd/flagger/pull/1552)
+
+## 1.34.0
+
+**Release date:** 2023-10-04
+
+This release comes with several new features. The Gateway API integration
+has been significantly improved with support for
+* [Canary releases with session affinty](https://docs.flagger.app/tutorials/gatewayapi-progressive-delivery#session-affinty)
+* [B/G deployments with traffic mirroring](https://docs.flagger.app/tutorials/gatewayapi-progressive-delivery#traffic-mirroring)
+* Filters in the generated `HTTPRoute` (`.spec.rules[].filters`)
+
+Most of the Filters are derived from existing fields in the Canary spec like
+`.spec.service.headers`. To support arbitary request mirroring through the
+`RequestMirror` filter, a new field `.spec.service.mirror` has been introduced.
+
+A new field `checksum` has been added to the Canary webhook payload. This field
+is computed by hashing the `.status.lastAppliedSpec` and
+`.status.trackedConfigs`. It can be used to distinguish between Canary runs.
+
+Furthermore, the Gloo integration now uses strings for specifying time durations
+in order to be better compatible with protobuf duration parsing.
+
+Lastly, Kubernetes packages were updated to be on 1.27.
+
+#### Improvements
+- Update Kubernetes to v1.27
+  [#1506](https://github.com/fluxcd/flagger/pull/1506)
+- gatewayapi: add support for session affinity
+  [#1507](https://github.com/fluxcd/flagger/pull/1507)
+- gatewayapi: add support for route rule filters
+  [#1512](https://github.com/fluxcd/flagger/pull/1512)
+- Update Linkerd tutorial to use Kubernetes Gateway API
+  [#1516](https://github.com/fluxcd/flagger/pull/1516)
+- Add Checksum field to the Webhook payload to distinguish canary runs
+  [#1521](https://github.com/fluxcd/flagger/pull/1521)
+- gatewayapi: add support for b/g mirroring
+  [#1525](https://github.com/fluxcd/flagger/pull/1525)
+- Update Go dependencies
+  [#1528](https://github.com/fluxcd/flagger/pull/1528)
+
+#### Fixes
+- chore: fix incorrect canary name on document
+  [#1502](https://github.com/fluxcd/flagger/pull/1502)
+- fix: Support for queryParams in canary match condition #880
+  [#1505](https://github.com/fluxcd/flagger/pull/1505)
+- docs: fix error example in deployment strategies
+  [#1518](https://github.com/fluxcd/flagger/pull/1518)
+- Change Gloo Duration type to string
+  [#1524](https://github.com/fluxcd/flagger/pull/1524)
+
+## 1.33.0
+
+**Release date:** 2023-08-29
+
+This release fixes bugs related to the Canary lifecycle. The
+`confirm-traffic-increase` webhook is no longer called if the Canary is in the
+`WaitingPromotion` phase. Furthermore, a bug which caused downtime when
+initializing the Canary deployment has been fixed.
+Also, a bug in the `request-duration` metric for Traefik which assumed the
+result to be in milliseconds instead of seconds has been addressed.
+
+The loadtester now also supports running `kubectl` commands.
+
+#### Improvements
+- Helm: Add option to configure honorLabels for serviceMonitor
+  [#1442](https://github.com/fluxcd/flagger/pull/1442)
+- Helm: Use PodDisruptionBudget API policy/v1 if available
+  [#1476](https://github.com/fluxcd/flagger/pull/1476)
+- podinfo: Update hpa version from autoscaling/v2beta2 to autoscaling/v2
+  [#1477](https://github.com/fluxcd/flagger/pull/1477)
+- Helm: Allow custom labels for servicemonitor
+  [#1483](https://github.com/fluxcd/flagger/pull/1483)
+- feat: loadtester support kubectl type
+  [#1485](https://github.com/fluxcd/flagger/pull/1485)
+- Update Istio Gateway reference format
+  [#1489](https://github.com/fluxcd/flagger/pull/1489)
+- e2e: Update Istio to v1.18
+  [#1492](https://github.com/fluxcd/flagger/pull/1492)
+- add docs for kubectl in loadtester
+  [#1494](https://github.com/fluxcd/flagger/pull/1494)
+
+#### Fixes
+- fix: typo on "Parase", should be "Parse".
+  [#1443](https://github.com/fluxcd/flagger/pull/1443)
+- Fix Traefik request-duration metric
+  [#1446](https://github.com/fluxcd/flagger/pull/1446)
+- Fix initial deployment downtime
+  [#1451](https://github.com/fluxcd/flagger/pull/1451)
+- Fix FAQ templating format and change reference of $workload to $target.
+  [#1456](https://github.com/fluxcd/flagger/pull/1456)
+- Update doc.go
+  [#1466](https://github.com/fluxcd/flagger/pull/1466)
+- Avoid running traffic increase hooks when waiting for promotion or promoting
+  [#1470](https://github.com/fluxcd/flagger/pull/1470)
+
+## 1.32.0
+
+**Release date:** 2023-07-14
+
+This release adds support for suspending a Canary using `.spec.suspend`.
+It also fixes a bug where the target deployment gets stuck at 0 replicas
+after the Canary has been deleted.
+Furthermore, the Canary API has been modified to allow specifying the
+HTTPRoute port using `.service.gatewayRefs[].port`.
+
+#### Improvements
+- Helm: Add option to create service and serviceMonitor
+  [#1425](https://github.com/fluxcd/flagger/pull/1425)
+- Update Alpine to 3.18
+  [#1426](https://github.com/fluxcd/flagger/pull/1426)
+- Add `spec.suspend` to allow suspending canary
+  [#1431](https://github.com/fluxcd/flagger/pull/1431)
+- Add support for istio LEAST_REQUEST destination rule load balancing
+  [#1439](https://github.com/fluxcd/flagger/pull/1439)
+- Add gatewayRef port to Canary CRD
+  [#1453](https://github.com/fluxcd/flagger/pull/1453)
+- feat: Copy slowStartConfig for Gloo upstreams
+  [#1455](https://github.com/fluxcd/flagger/pull/1455)
+- Update Go dependencies
+  [#1459](https://github.com/fluxcd/flagger/pull/1459)
+
+#### Fixes
+- Resume target scaler during finalization
+  [#1429](https://github.com/fluxcd/flagger/pull/1429)
+- Fix panic when annotation of ingress is empty
+  [#1437](https://github.com/fluxcd/flagger/pull/1437)
+- Fixing namespace of HelmRepository in installation docs
+  [#1458](https://github.com/fluxcd/flagger/pull/1458)
+
 ## 1.31.0
 
 **Release date:** 2023-05-10
@@ -176,7 +526,7 @@ routed to the canary workload pods.
 
 **Release date:** 2022-12-15
 
-This release comes with support for Apachae APISIX. For more details see the
+This release comes with support for Apache APISIX. For more details see the
 [tutorial](https://fluxcd.io/flagger/tutorials/apisix-progressive-delivery).
 
 #### Improvements
@@ -1122,7 +1472,7 @@ The upgrade procedure from 0.x to 1.0 can be found [here](https://docs.flagger.a
 Two new resources were added to the API: `MetricTemplate` and `AlertProvider`.
 The analysis can reference [metric templates](https://docs.flagger.app//usage/metrics#custom-metrics)
 to query Prometheus, Datadog and AWS CloudWatch.
-[Alerting](https://docs.flagger.app/v/master/usage/alerting#canary-configuration) can be configured on a per
+[Alerting](https://docs.flagger.app/v/main/usage/alerting#canary-configuration) can be configured on a per
 canary basis for Slack, MS Teams, Discord and Rocket.
 
 #### Features
@@ -1286,7 +1636,7 @@ The upgrade procedure from 0.x to 1.0 can be found [here](https://docs.flagger.a
 Two new resources were added to the API: `MetricTemplate` and `AlertProvider`.
 The analysis can reference [metric templates](https://docs.flagger.app//usage/metrics#custom-metrics)
 to query Prometheus, Datadog and AWS CloudWatch.
-[Alerting](https://docs.flagger.app/v/master/usage/alerting#canary-configuration) can be configured on a per
+[Alerting](https://docs.flagger.app/v/main/usage/alerting#canary-configuration) can be configured on a per
 canary basis for Slack, MS Teams, Discord and Rocket.
 
 #### Features

Dockerfile

@@ -1,4 +1,11 @@
-FROM golang:1.19-alpine as builder
+ARG GO_VERSION=1.23
+ARG XX_VERSION=1.6.1
+
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS builder
+
+# copy build utilities
+COPY --from=xx / /
 
 ARG TARGETPLATFORM
 ARG REVISON
@@ -17,11 +24,12 @@ COPY cmd/ cmd/
 COPY pkg/ pkg/
 
 # build
-RUN CGO_ENABLED=0 go build \
+ENV CGO_ENABLED=0
+RUN xx-go build \
     -ldflags "-s -w -X github.com/fluxcd/flagger/pkg/version.REVISION=${REVISON}" \
     -a -o flagger ./cmd/flagger
 
-FROM alpine:3.17
+FROM alpine:3.21
 
 RUN apk --no-cache add ca-certificates
 

Dockerfile.loadtester

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine as builder
+FROM golang:1.23-alpine AS builder
 
 ARG TARGETPLATFORM
 ARG TARGETARCH
@@ -6,15 +6,19 @@ ARG REVISION
 
 RUN apk --no-cache add alpine-sdk perl curl bash tar
 
-RUN HELM3_VERSION=3.11.0 && \
+RUN HELM3_VERSION=3.16.3 && \
 curl -sSL "https://get.helm.sh/helm-v${HELM3_VERSION}-linux-${TARGETARCH}.tar.gz" | tar xvz && \
 chmod +x linux-${TARGETARCH}/helm && mv linux-${TARGETARCH}/helm /usr/local/bin/helm
 
-RUN GRPC_HEALTH_PROBE_VERSION=v0.4.12 && \
+RUN KUBECTL_VERSION=v1.31.3 &&  \
+curl -LO "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl" && \
+chmod +x kubectl && mv kubectl /usr/local/bin/kubectl
+
+RUN GRPC_HEALTH_PROBE_VERSION=v0.4.35 && \
 wget -qO /usr/local/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-${TARGETARCH} && \
 chmod +x /usr/local/bin/grpc_health_probe
 
-RUN GHZ_VERSION=0.109.0 && \
+RUN GHZ_VERSION=0.120.0 && \
 curl -sSL "https://github.com/bojand/ghz/archive/refs/tags/v${GHZ_VERSION}.tar.gz" | tar xz -C /tmp && \
 cd /tmp/ghz-${GHZ_VERSION}/cmd/ghz && GOARCH=$TARGETARCH go build . && mv ghz /usr/local/bin && \
 chmod +x /usr/local/bin/ghz
@@ -35,22 +39,23 @@ COPY pkg/ pkg/
 # build
 RUN CGO_ENABLED=0 go build -o loadtester ./cmd/loadtester/*
 
-FROM bash:5.0
+FROM bash:5.2
 
 ARG TARGETPLATFORM
 
 RUN addgroup -S app && \
 adduser -S -g app app && \
-apk --no-cache add ca-certificates curl jq libgcc wrk hey
+apk --no-cache add ca-certificates curl jq libgcc wrk hey git
 
 WORKDIR /home/app
 
-COPY --from=bats/bats:v1.1.0 /opt/bats/ /opt/bats/
+COPY --from=bats/bats:1.11.1 /opt/bats/ /opt/bats/
 RUN ln -s /opt/bats/bin/bats /usr/local/bin/
 
 COPY --from=builder /usr/local/bin/helm /usr/local/bin/
 COPY --from=builder /usr/local/bin/ghz /usr/local/bin/
 COPY --from=builder /usr/local/bin/grpc_health_probe /usr/local/bin/
+COPY --from=builder /usr/local/bin/kubectl /usr/local/bin/
 
 ADD https://raw.githubusercontent.com/grpc/grpc-proto/master/grpc/health/v1/health.proto /tmp/ghz/health.proto
 

MAINTAINERS

@@ -4,6 +4,6 @@ at https://slack.cncf.io/).
 
 In alphabetical order:
 
-Stefan Prodan, Weaveworks <stefan@weave.works> (github: @stefanprodan, slack: stefanprodan)
+Sanskar Jaiswal, Independent <jaiswalsanskar078@gmail.com> (github: @aryan9600, slack: aryan9600)
+Stefan Prodan, ControlPlane <stefan.prodan@gmail.com> (github: @stefanprodan, slack: stefanprodan)
 Takeshi Yoneda, Tetrate <takeshi@tetrate.io> (github: @mathetake, slack: mathetake)
-Sanskar Jaiswal, Weaveworks <sanskar.jaiswal@weave.works> (github: @aryan9600, slack: aryan9600)

Makefile

@@ -6,19 +6,13 @@ build:
 	CGO_ENABLED=0 go build -a -o ./bin/flagger ./cmd/flagger
 
 tidy:
-	rm -f go.sum; go mod tidy -compat=1.19
+	rm -f go.sum; go mod tidy -compat=1.23
 
 vet:
 	go vet ./...
 
 fmt:
-	go mod tidy
-	gofmt -l -s -w ./
-	goimports -l -w ./
-
-test-fmt:
-	gofmt -l -s ./ | grep ".*\.go"; if [ "$$?" = "0" ]; then exit 1; fi
-	goimports -l ./ | grep ".*\.go"; if [ "$$?" = "0" ]; then exit 1; fi
+	go fmt ./...
 
 codegen:
 	./hack/update-codegen.sh
@@ -26,9 +20,14 @@ codegen:
 test-codegen:
 	./hack/verify-codegen.sh
 
-test: test-fmt test-codegen
+test: fmt test-codegen
 	go test ./...
 
+test-coverage: fmt test-codegen
+	go test -coverprofile cover.out ./...
+	go tool cover -html=cover.out
+	rm cover.out
+
 crd:
 	cat artifacts/flagger/crd.yaml > charts/flagger/crds/crd.yaml
 	cat artifacts/flagger/crd.yaml > kustomize/base/flagger/crd.yaml

README.md

@@ -1,4 +1,4 @@
- # flagger
+ # flaggerreadme
 
 [![release](https://img.shields.io/github/release/fluxcd/flagger/all.svg)](https://github.com/fluxcd/flagger/releases)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/4783/badge)](https://bestpractices.coreinfrastructure.org/projects/4783)
@@ -51,7 +51,7 @@ Flagger documentation can be found at [fluxcd.io/flagger](https://fluxcd.io/flag
 **Our list of production users has moved to <https://fluxcd.io/adopters/#flagger>**.
 
 If you are using Flagger, please
-[submit a PR to add your organization](https://github.com/fluxcd/website/tree/main/adopters#readme) to the list!
+[submit a PR to add your organization](https://github.com/fluxcd/website/blob/main/data/adopters/2-flagger.yaml) to the list!
 
 ### Canary CRD
 
@@ -85,7 +85,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -184,17 +184,17 @@ For more details on how the canary analysis and promotion works please [read the
 
 **Service Mesh**
 
-| Feature                                    | App Mesh           | Istio              | Linkerd            | Kuma               | OSM                | Kubernetes CNI     |
-|--------------------------------------------|--------------------|--------------------|--------------------|--------------------|--------------------|--------------------|
-| Canary deployments (weighted traffic)      | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: |
-| A/B testing (headers and cookies routing)  | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: |
-| Blue/Green deployments (traffic switch)    | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| Blue/Green deployments (traffic mirroring) | :heavy_minus_sign: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: |
-| Webhooks (acceptance/load testing)         | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| Manual gating (approve/pause/resume)       | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| Request success rate check (L7 metric)     | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: |
-| Request duration check (L7 metric)         | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: |
-| Custom metric checks                       | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Feature                                    | App Mesh           | Istio              | Linkerd            | Kuma               | OSM                | Knative            | Kubernetes CNI     |
+|--------------------------------------------|--------------------|--------------------|--------------------|--------------------|--------------------|--------------------|--------------------|
+| Canary deployments (weighted traffic)      | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: |
+| A/B testing (headers and cookies routing)  | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: |
+| Blue/Green deployments (traffic switch)    | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: |
+| Blue/Green deployments (traffic mirroring) | :heavy_minus_sign: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_minus_sign: |
+| Webhooks (acceptance/load testing)         | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Manual gating (approve/pause/resume)       | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Request success rate check (L7 metric)     | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: |
+| Request duration check (L7 metric)         | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: |
+| Custom metric checks                       | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
 
 **Ingress**
 
@@ -243,7 +243,6 @@ can be used to implement the request success rate and request duration checks.
 #### Integrations
 
 - Add support for ingress controllers like HAProxy, ALB, and Apache APISIX
-- Add support for Knative Serving
 
 ### Contributing
 

artifacts/examples/appmesh-abtest.yaml

@@ -11,7 +11,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

artifacts/examples/appmesh-canary.yaml

@@ -11,7 +11,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

artifacts/examples/istio-abtest.yaml

@@ -10,7 +10,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -20,7 +20,7 @@ spec:
     portName: http
     portDiscovery: true
     gateways:
-      - public-gateway.istio-system.svc.cluster.local
+      - istio-system/public-gateway
       - mesh
     hosts:
       - app.example.com

artifacts/examples/istio-canary.yaml

@@ -11,7 +11,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -21,7 +21,7 @@ spec:
     portName: http
     portDiscovery: true
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
     hosts:
     - app.example.com

artifacts/examples/linkerd-canary-steps.yaml

@@ -11,7 +11,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

artifacts/examples/linkerd-canary.yaml

@@ -11,7 +11,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

artifacts/flagger/crd.yaml

@@ -27,6 +27,10 @@ spec:
         - name: Weight
           type: string
           jsonPath: .status.canaryWeight
+        - name: Suspended
+          type: boolean
+          jsonPath: .spec.suspend
+          priority: 1
         - name: FailedChecks
           type: string
           jsonPath: .status.failedChecks
@@ -76,7 +80,6 @@ spec:
               type: object
               required:
                 - targetRef
-                - service
                 - analysis
               properties:
                 provider:
@@ -125,9 +128,11 @@ spec:
                       type: object
                       properties:
                         minReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                         maxReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -192,6 +197,9 @@ spec:
                     portDiscovery:
                       description: Enable port dicovery
                       type: boolean
+                    headless:
+                      description: Headless if set to true, generates headless Kubernetes services.
+                      type: boolean
                     timeout:
                       description: HTTP or gRPC request timeout
                       type: string
@@ -478,6 +486,54 @@ spec:
                         uri:
                           format: string
                           type: string
+                        authority:
+                          format: string
+                          type: string
+                        type:
+                          format: string
+                          type: string
+                    mirror:
+                      description: Mirror defines a schema for a filter that mirrors requests.
+                      type: array
+                      items:
+                        type: object
+                        properties:
+                          backendRef:
+                            properties:
+                              group:
+                                default: ""
+                                maxLength: 253
+                                pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
+                                type: string
+                              kind:
+                                default: Service
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
+                                type: string
+                              name:
+                                maxLength: 253
+                                minLength: 1
+                                type: string
+                              namespace:
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$
+                                type: string
+                              port:
+                                format: int32
+                                maximum: 65535
+                                minimum: 1
+                                type: integer
+                            required:
+                            - name
+                            type: object
+                            x-kubernetes-validations:
+                            - message: Must have port for Service reference
+                              rule: '(size(self.group) == 0 && self.kind == ''Service'')
+                                ? has(self.port) : true'
+                      required:
+                      - backendRef
                     headers:
                       description: Headers operations
                       type: object
@@ -557,6 +613,11 @@ spec:
                             minLength: 1
                             pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
                             type: string
+                          port:
+                            format: int32
+                            maximum: 65535
+                            minimum: 1
+                            type: integer
                     corsPolicy:
                       description: Istio Cross-Origin Resource Sharing policy (CORS)
                       type: object
@@ -747,6 +808,10 @@ spec:
                                 - LEAST_CONN
                                 - RANDOM
                                 - PASSTHROUGH
+                                - LEAST_REQUEST
+                              type: string
+                            warmupDurationSecs:
+                              description: Represents the warmup duration of Service.
                               type: string
                         outlierDetection:
                           description: Settings controlling eviction of unhealthy hosts from the load balancing pool.
@@ -850,6 +915,9 @@ spec:
                 revertOnDeletion:
                   description: Revert mutated resources to original spec on deletion
                   type: boolean
+                suspend:
+                  description: Suspend Canary disabling/pausing all canary runs
+                  type: boolean
                 analysis:
                   description: Canary analysis for this canary
                   type: object
@@ -923,6 +991,34 @@ spec:
                                   description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax)
                                   format: string
                                   type: string
+                          queryParams:
+                            description: Query parameters for matching.
+                            type: object
+                            additionalProperties:
+                              oneOf:
+                              - not:
+                                  anyOf:
+                                  - required:
+                                    - exact
+                                  - required:
+                                    - prefix
+                                  - required:
+                                    - regex
+                              - required:
+                                - exact
+                              - required:
+                                - prefix
+                              - required:
+                                - regex
+                              properties:
+                                exact:
+                                  type: string
+                                prefix:
+                                  type: string
+                                regex:
+                                  description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax).
+                                  type: string
+                              type: object
                           sourceLabels:
                             description: Applicable only when the 'mesh' gateway is included in the service.gateways list
                             type: object
@@ -1040,6 +1136,12 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
+                          disableTLS:
+                            description: Disable TLS verification for this webhook
+                            type: boolean
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object
@@ -1203,6 +1305,8 @@ spec:
                         - newrelic
                         - graphite
                         - dynatrace
+                        - keptn
+                        - splunk
                     address:
                       description: API address of this provider
                       type: string

artifacts/flagger/deployment.yaml

@@ -22,7 +22,7 @@ spec:
       serviceAccountName: flagger
       containers:
       - name: flagger
-        image: ghcr.io/fluxcd/flagger:1.31.0
+        image: ghcr.io/fluxcd/flagger:1.40.0
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

charts/flagger/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: flagger
-version: 1.31.0
-appVersion: 1.31.0
+version: 1.40.0
+appVersion: 1.40.0
 kubeVersion: ">=1.19.0-0"
 engine: gotpl
 description: Flagger is a progressive delivery operator for Kubernetes

charts/flagger/README.md

@@ -114,6 +114,15 @@ $ helm upgrade -i flagger flagger/flagger \
     --set meshProvider=traefik
 ```
 
+If you need to add labels to the flagger deployment or pods, you can pass the labels as parameters as shown below.
+
+```console
+helm upgrade -i flagger flagger/flagger \
+<other parameters> \
+--set podLabels.<labelName>=<labelValue> \
+--set deploymentLabels.<labelName>=<labelValue> 
+```
+
 The [configuration](#configuration) section lists the parameters that can be configured during installation.
 
 ## Uninstalling the Chart
@@ -140,6 +149,10 @@ The following tables lists the configurable parameters of the Flagger chart and
 | `prometheus.install`                 | If `true`, installs Prometheus configured to scrape all pods in the custer                                                                         | `false`                               |
 | `prometheus.retention`               | Prometheus data retention                                                                                                                          | `2h`                                  |
 | `selectorLabels`                     | List of labels that Flagger uses to create pod selectors                                                                                           | `app,name,app.kubernetes.io/name`     |
+| `serviceMonitor.enabled`             | If `true`, creates service and serviceMonitor for monitoring Flagger metrics                                                                       | `false`                               |
+| `serviceMonitor.honorLabels`         | If `true`, label conflicts are resolved by keeping label values from the scraped data and ignoring the conflicting server-side labels              | `false`                               |
+| `serviceMonitor.namespace`           | Namespace Servicemonitor is installed in                                                                                                           | the same namespace                    |
+| `serviceMonitor.labels`              | labels for the ServiceMonitor passed to Prometheus Operator                                                                                        | `{}`                                  |
 | `configTracking.enabled`             | If `true`, flagger will track changes in Secrets and ConfigMaps referenced in the target deployment                                                | `true`                                |
 | `eventWebhook`                       | If set, Flagger will publish events to the given webhook                                                                                           | None                                  |
 | `slack.url`                          | Slack incoming webhook                                                                                                                             | None                                  |
@@ -153,6 +166,7 @@ The following tables lists the configurable parameters of the Flagger chart and
 | `podMonitor.namespace`               | Namespace where the PodMonitor is created                                                                                                          | the same namespace                    |
 | `podMonitor.interval`                | Interval at which metrics should be scraped                                                                                                        | `15s`                                 |
 | `podMonitor.podMonitor`              | Additional labels to add to the PodMonitor                                                                                                         | `{}`                                  |
+| `podMonitor.honorLabels`             | If `true`, label conflicts are resolved by keeping label values from the scraped data and ignoring the conflicting server-side labels              | `false`                               |
 | `leaderElection.enabled`             | If `true`, Flagger will run in HA mode                                                                                                             | `false`                               |
 | `leaderElection.replicaCount`        | Number of replicas                                                                                                                                 | `1`                                   |
 | `serviceAccount.create`              | If `true`, Flagger will create service account                                                                                                     | `true`                                |
@@ -180,7 +194,9 @@ The following tables lists the configurable parameters of the Flagger chart and
 | `podDisruptionBudget.minAvailable`   | The minimal number of available replicas that will be set in the PodDisruptionBudget                                                               | `1`                                   |
 | `podDisruptionBudget.minAvailable`   | The minimal number of available replicas that will be set in the PodDisruptionBudget                                                               | `1`                                   |
 | `noCrossNamespaceRefs`               | If `true`, cross namespace references to custom resources will be disabled                                                                         | `false`                               |
-| `namespace`                          | When specified, Flagger will restrict itself to watching Canary objects from that namespace                                                                   | `""`                                  |
+| `namespace`                          | When specified, Flagger will restrict itself to watching Canary objects from that namespace                                                        | `""`                                  |
+| `deploymentLabels`                   | Labels to add to Flagger deployment                                                                                                                | `{}`                                  |
+| `podLabels`                          | Labels to add to pods of Flagger deployment                                                                                                        | `{}`                                  |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm upgrade`. For example,
 

charts/flagger/crds/crd.yaml

@@ -27,6 +27,10 @@ spec:
         - name: Weight
           type: string
           jsonPath: .status.canaryWeight
+        - name: Suspended
+          type: boolean
+          jsonPath: .spec.suspend
+          priority: 1
         - name: FailedChecks
           type: string
           jsonPath: .status.failedChecks
@@ -76,7 +80,6 @@ spec:
               type: object
               required:
                 - targetRef
-                - service
                 - analysis
               properties:
                 provider:
@@ -125,9 +128,11 @@ spec:
                       type: object
                       properties:
                         minReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                         maxReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -192,6 +197,9 @@ spec:
                     portDiscovery:
                       description: Enable port dicovery
                       type: boolean
+                    headless:
+                      description: Headless if set to true, generates headless Kubernetes services.
+                      type: boolean
                     timeout:
                       description: HTTP or gRPC request timeout
                       type: string
@@ -478,6 +486,54 @@ spec:
                         uri:
                           format: string
                           type: string
+                        authority:
+                          format: string
+                          type: string
+                        type:
+                          format: string
+                          type: string
+                    mirror:
+                      description: Mirror defines a schema for a filter that mirrors requests.
+                      type: array
+                      items:
+                        type: object
+                        properties:
+                          backendRef:
+                            properties:
+                              group:
+                                default: ""
+                                maxLength: 253
+                                pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
+                                type: string
+                              kind:
+                                default: Service
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
+                                type: string
+                              name:
+                                maxLength: 253
+                                minLength: 1
+                                type: string
+                              namespace:
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$
+                                type: string
+                              port:
+                                format: int32
+                                maximum: 65535
+                                minimum: 1
+                                type: integer
+                            required:
+                            - name
+                            type: object
+                            x-kubernetes-validations:
+                            - message: Must have port for Service reference
+                              rule: '(size(self.group) == 0 && self.kind == ''Service'')
+                                ? has(self.port) : true'
+                      required:
+                      - backendRef
                     headers:
                       description: Headers operations
                       type: object
@@ -557,6 +613,11 @@ spec:
                             minLength: 1
                             pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
                             type: string
+                          port:
+                            format: int32
+                            maximum: 65535
+                            minimum: 1
+                            type: integer
                     corsPolicy:
                       description: Istio Cross-Origin Resource Sharing policy (CORS)
                       type: object
@@ -747,6 +808,10 @@ spec:
                                 - LEAST_CONN
                                 - RANDOM
                                 - PASSTHROUGH
+                                - LEAST_REQUEST
+                              type: string
+                            warmupDurationSecs:
+                              description: Represents the warmup duration of Service.
                               type: string
                         outlierDetection:
                           description: Settings controlling eviction of unhealthy hosts from the load balancing pool.
@@ -850,6 +915,9 @@ spec:
                 revertOnDeletion:
                   description: Revert mutated resources to original spec on deletion
                   type: boolean
+                suspend:
+                  description: Suspend Canary disabling/pausing all canary runs
+                  type: boolean
                 analysis:
                   description: Canary analysis for this canary
                   type: object
@@ -923,6 +991,34 @@ spec:
                                   description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax)
                                   format: string
                                   type: string
+                          queryParams:
+                            description: Query parameters for matching.
+                            type: object
+                            additionalProperties:
+                              oneOf:
+                              - not:
+                                  anyOf:
+                                  - required:
+                                    - exact
+                                  - required:
+                                    - prefix
+                                  - required:
+                                    - regex
+                              - required:
+                                - exact
+                              - required:
+                                - prefix
+                              - required:
+                                - regex
+                              properties:
+                                exact:
+                                  type: string
+                                prefix:
+                                  type: string
+                                regex:
+                                  description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax).
+                                  type: string
+                              type: object
                           sourceLabels:
                             description: Applicable only when the 'mesh' gateway is included in the service.gateways list
                             type: object
@@ -1040,6 +1136,12 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
+                          disableTLS:
+                            description: Disable TLS verification for this webhook
+                            type: boolean
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object
@@ -1203,6 +1305,8 @@ spec:
                         - newrelic
                         - graphite
                         - dynatrace
+                        - keptn
+                        - splunk
                     address:
                       description: API address of this provider
                       type: string

charts/flagger/templates/account.yaml

@@ -4,8 +4,8 @@ kind: ServiceAccount
 metadata:
   name: {{ template "flagger.serviceAccountName" . }}
   namespace: {{ .Release.Namespace }}
-  annotations:
   {{- if .Values.serviceAccount.annotations }}
+  annotations:
 {{ toYaml .Values.serviceAccount.annotations | indent 4 }}
   {{- end }}
   labels:

charts/flagger/templates/deployment.yaml

@@ -9,6 +9,11 @@ metadata:
     app.kubernetes.io/managed-by: {{ .Release.Service }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/version: {{ .Chart.AppVersion }}
+  {{- if .Values.deploymentLabels }}
+  {{- range $key, $value := .Values.deploymentLabels }}
+    {{ $key }}: {{ $value | quote }}
+  {{- end }}
+  {{- end }}
   {{- with .Values.annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}
@@ -48,12 +53,12 @@ spec:
       imagePullSecrets:
         - name: {{ .Values.image.pullSecret }}
       {{- end }}
+      {{- if .Values.controlplane.kubeconfig.secretName }}
       volumes:
-        {{- if .Values.controlplane.kubeconfig.secretName }}
         - name: kubeconfig
           secret:
             secretName: "{{ .Values.controlplane.kubeconfig.secretName }}"
-        {{- end }}
+      {{- end }}
         {{- if .Values.additionalVolumes }}
           {{- toYaml .Values.additionalVolumes | nindent 8 -}}
         {{- end }}
@@ -66,11 +71,11 @@ spec:
           securityContext:
 {{ toYaml .Values.securityContext.context | indent 12 }}
           {{- end }}
+          {{- if .Values.controlplane.kubeconfig.secretName }}
           volumeMounts:
-            {{- if .Values.controlplane.kubeconfig.secretName }}
             - name: kubeconfig
               mountPath: "/tmp/controlplane"
-            {{- end }}
+          {{- end }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports:

charts/flagger/templates/pdb.yaml

@@ -1,5 +1,9 @@
 {{- if .Values.podDisruptionBudget.enabled }}
+{{- if .Capabilities.APIVersions.Has "policy/v1/PodDisruptionBudget" -}}
+apiVersion: policy/v1
+{{- else }}
 apiVersion: policy/v1beta1
+{{- end }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "flagger.name" . }}

charts/flagger/templates/podmonitor.yaml

@@ -17,6 +17,7 @@ spec:
   - interval: {{ .Values.podMonitor.interval }}
     path: /metrics
     port: http
+    honorLabels: {{ .Values.podMonitor.honorLabels }}
   namespaceSelector:
     matchNames:
     - {{ .Release.Namespace }}

charts/flagger/templates/rbac.yaml

@@ -259,10 +259,36 @@ rules:
       - update
       - patch
       - delete
+  - apiGroups:
+      - metrics.keptn.sh
+    resources:
+      - keptnmetrics
+      - analyses
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
   - nonResourceURLs:
       - /version
     verbs:
       - get
+  - apiGroups:
+      - serving.knative.dev
+    resources:
+      - services
+    verbs:
+      - get
+      - update
+  - apiGroups:
+      - serving.knative.dev
+    resources:
+      - revisions
+    verbs:
+      - get
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding

charts/flagger/templates/service.yaml

@@ -0,0 +1,19 @@
+{{- if .Values.serviceMonitor.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "flagger.name" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+spec:
+  ports:
+    - name: http
+      port: 8080
+      targetPort: http
+      protocol: TCP
+  selector:
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

charts/flagger/templates/servicemonitor.yaml

@@ -0,0 +1,29 @@
+{{- if .Values.serviceMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "flagger.name" . }}
+{{- if .Values.serviceMonitor.namespace }}
+  namespace: {{ .Release.Namespace }}
+{{- end }}
+  labels:
+    app.kubernetes.io/name: {{ template "flagger.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    {{- with .Values.serviceMonitor.labels }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  endpoints:
+    - path: /metrics
+      port: http
+      interval: 30s
+      scrapeTimeout: 30s
+      honorLabels: {{ .Values.serviceMonitor.honorLabels }}
+  namespaceSelector:
+    matchNames:
+      - {{ .Release.Namespace }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ template "flagger.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

charts/flagger/values.yaml

@@ -5,7 +5,7 @@
 
 image:
   repository: ghcr.io/fluxcd/flagger
-  tag: 1.31.0
+  tag: 1.40.0
   pullPolicy: IfNotPresent
   pullSecret:
 
@@ -23,6 +23,15 @@ podPriorityClassName: ""
 
 metricsServer: "http://prometheus:9090"
 
+# creates serviceMonitor for monitoring Flagger metrics
+serviceMonitor:
+  enabled: false
+  honorLabels: false
+  # Set the namespace the ServiceMonitor should be deployed
+  # namespace: monitoring
+  # Set labels for the ServiceMonitor, use this to define your scrape label for Prometheus Operator
+  # labels:
+
 # accepted values are kubernetes, istio, linkerd, appmesh, contour, nginx, gloo, skipper, traefik, apisix, osm
 meshProvider: ""
 
@@ -73,6 +82,7 @@ podMonitor:
   namespace:
   interval: 15s
   additionalLabels: {}
+  honorLabels: false
 
 #env:
 #- name: SLACK_URL
@@ -185,8 +195,12 @@ podDisruptionBudget:
   enabled: false
   minAvailable: 1
 
+# Additional labels to be added to pods
 podLabels: {}
 
+# Additional labels to be added to deployments
+deploymentLabels: { }
+
 noCrossNamespaceRefs: false
 
 #Placeholder to supply additional volumes to the flagger pod

charts/loadtester/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: loadtester
-version: 0.28.1
-appVersion: 0.28.1
+version: 0.34.0
+appVersion: 0.34.0
 kubeVersion: ">=1.19.0-0"
 engine: gotpl
 description: Flagger's load testing services based on rakyll/hey and bojand/ghz that generates traffic during canary analysis when configured as a webhook.

charts/loadtester/templates/istio-gw.yaml

@@ -1,5 +1,5 @@
 {{- if and (.Values.istio.enabled) (.Values.istio.gateway.enabled) }}
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: Gateway
 metadata:
   name: {{ include "loadtester.fullname" . }}

charts/loadtester/templates/istio-vs.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.istio.enabled }}
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: {{ include "loadtester.fullname" . }}

charts/loadtester/templates/pdb.yaml

@@ -1,5 +1,9 @@
 {{- if .Values.podDisruptionBudget.enabled }}
+{{- if .Capabilities.APIVersions.Has "policy/v1/PodDisruptionBudget" -}}
+apiVersion: policy/v1
+{{- else }}
 apiVersion: policy/v1beta1
+{{- end }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ include "loadtester.fullname" . }}

charts/loadtester/templates/rbac.yaml

@@ -51,4 +51,7 @@ metadata:
     app.kubernetes.io/name: {{ template "loadtester.name" . }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
     app.kubernetes.io/instance: {{ .Release.Name }}
+  {{- if .Values.rbac.serviceAccountAnnotations }}
+  annotations: {{ tpl (toYaml .Values.rbac.serviceAccountAnnotations) . | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/loadtester/values.yaml

@@ -2,7 +2,7 @@ replicaCount: 1
 
 image:
   repository: ghcr.io/fluxcd/flagger-loadtester
-  tag: 0.28.1
+  tag: 0.34.0
   pullPolicy: IfNotPresent
   pullSecret:
 
@@ -54,6 +54,8 @@ rbac:
   #   resources: ["pods"]
   #   verbs: ["list", "get"]
   rules: []
+  # annotations to add to the service account
+  serviceAccountAnnotations: {}
 
 # name of an existing service account to use - if not creating rbac resources
 serviceAccountName: ""

charts/podinfo/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-version: 6.1.3
+version: 6.1.4
 appVersion: 6.1.3
 name: podinfo
 engine: gotpl

charts/podinfo/README.md

@@ -20,7 +20,7 @@ helm upgrade -i frontend flagger/podinfo \
 --set backend=http://backend.test:9898/echo \
 --set canary.enabled=true \
 --set canary.istioIngress.enabled=true \
---set canary.istioIngress.gateway=public-gateway.istio-system.svc.cluster.local \
+--set canary.istioIngress.gateway=istio-system/public-gateway \
 --set canary.istioIngress.host=frontend.istio.example.com
 ```
 

charts/podinfo/templates/canary.yaml

@@ -14,7 +14,7 @@ spec:
     kind: Deployment
     name:  {{ template "podinfo.fullname" . }}
   autoscalerRef:
-    apiVersion: autoscaling/v2beta1
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name:  {{ template "podinfo.fullname" . }}
   service:
@@ -57,4 +57,4 @@ spec:
         metadata:
           cmd: "hey -z 1m -q 5 -c 2 http://{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.port }}"
       {{- end }}
-{{- end }}
+{{- end }}

charts/podinfo/templates/hpa.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.hpa.enabled -}}
-apiVersion: autoscaling/v2beta1
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ template "podinfo.fullname" . }}
@@ -20,12 +20,16 @@ spec:
   - type: Resource
     resource:
       name: cpu
-      targetAverageUtilization: {{ .Values.hpa.cpu }}
+      target:
+        type: Utilization
+        averageUtilization: {{ .Values.hpa.cpu }}
   {{- end }}
   {{- if .Values.hpa.memory }}
   - type: Resource
     resource:
       name: memory
-      targetAverageValue: {{ .Values.hpa.memory }}
+      target:
+        type: AverageValue 
+        averageValue: {{ .Values.hpa.memory }}
   {{- end }}
 {{- end }}

charts/podinfo/values.yaml

@@ -25,7 +25,7 @@ canary:
   istioIngress:
     enabled: false
     # Istio ingress gateway name
-    gateway: public-gateway.istio-system.svc.cluster.local
+    gateway: istio-system/public-gateway
     # external host name eg. podinfo.example.com
     host:
   analysis:

cmd/flagger/main.go

@@ -51,6 +51,8 @@ import (
 	"github.com/fluxcd/flagger/pkg/server"
 	"github.com/fluxcd/flagger/pkg/signals"
 	"github.com/fluxcd/flagger/pkg/version"
+
+	knative "knative.dev/serving/pkg/client/clientset/versioned"
 )
 
 var (
@@ -110,7 +112,7 @@ func init() {
 	flag.BoolVar(&zapReplaceGlobals, "zap-replace-globals", false, "Whether to change the logging level of the global zap logger.")
 	flag.StringVar(&zapEncoding, "zap-encoding", "json", "Zap logger encoding.")
 	flag.StringVar(&namespace, "namespace", "", "Namespace that flagger would watch canary object.")
-	flag.StringVar(&meshProvider, "mesh-provider", "istio", "Service mesh provider, can be istio, linkerd, appmesh, contour, gloo, nginx, skipper, traefik, apisix, osm or kuma.")
+	flag.StringVar(&meshProvider, "mesh-provider", "istio", "Service mesh provider, can be istio, linkerd, appmesh, contour, knative, gloo, nginx, skipper, traefik, apisix, osm or kuma.")
 	flag.StringVar(&selectorLabels, "selector-labels", "app,name,app.kubernetes.io/name", "List of pod labels that Flagger uses to create pod selectors.")
 	flag.StringVar(&ingressAnnotationsPrefix, "ingress-annotations-prefix", "nginx.ingress.kubernetes.io", "Annotations prefix for NGINX ingresses.")
 	flag.StringVar(&ingressClass, "ingress-class", "", "Ingress class used for annotating HTTPProxy objects.")
@@ -166,6 +168,11 @@ func main() {
 		logger.Fatalf("Error building flagger clientset: %s", err.Error())
 	}
 
+	knativeClient, err := knative.NewForConfig(cfg)
+	if err != nil {
+		logger.Fatalf("Error building knative clientset: %s", err.Error())
+	}
+
 	// use a remote cluster for routing if a service mesh kubeconfig is specified
 	if kubeconfigServiceMesh == "" {
 		kubeconfigServiceMesh = kubeconfig
@@ -221,7 +228,7 @@ func main() {
 		setOwnerRefs = false
 	}
 
-	routerFactory := router.NewFactory(cfg, kubeClient, flaggerClient, ingressAnnotationsPrefix, ingressClass, logger, meshClient, setOwnerRefs)
+	routerFactory := router.NewFactory(cfg, kubeClient, flaggerClient, knativeClient, ingressAnnotationsPrefix, ingressClass, logger, meshClient, setOwnerRefs)
 
 	var configTracker canary.Tracker
 	if enableConfigTracking {
@@ -236,10 +243,11 @@ func main() {
 
 	includeLabelPrefixArray := strings.Split(includeLabelPrefix, ",")
 
-	canaryFactory := canary.NewFactory(kubeClient, flaggerClient, configTracker, labels, includeLabelPrefixArray, logger)
+	canaryFactory := canary.NewFactory(kubeClient, flaggerClient, knativeClient, configTracker, labels, includeLabelPrefixArray, logger)
 
 	c := controller.NewController(
 		kubeClient,
+		knativeClient,
 		flaggerClient,
 		infos,
 		controlLoopInterval,
@@ -253,6 +261,7 @@ func main() {
 		fromEnv("EVENT_WEBHOOK_URL", eventWebhook),
 		clusterName,
 		noCrossNamespaceRefs,
+		cfg,
 	)
 
 	// leader election context
@@ -327,7 +336,7 @@ func startLeaderElection(ctx context.Context, run func(), ns string, kubeClient
 	id = id + "_" + string(uuid.NewUUID())
 
 	lock, err := resourcelock.New(
-		resourcelock.ConfigMapsLeasesResourceLock,
+		resourcelock.LeasesResourceLock,
 		ns,
 		configMapName,
 		kubeClient.CoreV1(),

cmd/loadtester/main.go

@@ -22,13 +22,14 @@ import (
 	"regexp"
 	"time"
 
+	"go.uber.org/zap"
+
 	"github.com/fluxcd/flagger/pkg/loadtester"
 	"github.com/fluxcd/flagger/pkg/logger"
 	"github.com/fluxcd/flagger/pkg/signals"
-	"go.uber.org/zap"
 )
 
-var VERSION = "0.28.1"
+var VERSION = "0.34.0"
 var (
 	logLevel          string
 	port              string

docs/gitbook/README.md

@@ -55,3 +55,6 @@ After installing Flagger, you can follow one of these tutorials to get started:
 * [Istio](https://github.com/stefanprodan/gitops-istio)
 * [Linkerd](https://helm.workshop.flagger.dev)
 * [AWS App Mesh](https://eks.handson.flagger.dev)
+
+The Linux Foundation has registered trademarks and uses trademarks. For a list of trademarks of The Linux Foundation, 
+please see our [Trademark Usage page](https://www.linuxfoundation.org/legal/trademark-usage).

docs/gitbook/SUMMARY.md

@@ -35,6 +35,7 @@
 * [Open Service Mesh Deployments](tutorials/osm-progressive-delivery.md)
 * [Kuma Canary Deployments](tutorials/kuma-progressive-delivery.md)
 * [Gateway API Canary Deployments](tutorials/gatewayapi-progressive-delivery.md)
+* [Knative Canary Deployments](tutorials/knative-progressive-delivery.md)
 * [Blue/Green Deployments](tutorials/kubernetes-blue-green.md)
 * [Canary analysis with Prometheus Operator](tutorials/prometheus-operator.md)
 * [Canary analysis with KEDA ScaledObjects](tutorials/keda-scaledobject.md)

docs/gitbook/faq.md

@@ -391,10 +391,10 @@ sum(
     rate(
         istio_requests_total{
           reporter="destination",
-          destination_workload_namespace=~"$namespace",
-          destination_workload=~"$workload",
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}",
           response_code!~"5.*"
-        }[$interval]
+        }[{{ interval }}]
     )
 )
 /
@@ -402,9 +402,9 @@ sum(
     rate(
         istio_requests_total{
           reporter="destination",
-          destination_workload_namespace=~"$namespace",
-          destination_workload=~"$workload"
-        }[$interval]
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}"
+        }[{{ interval }}]
     )
 )
 ```
@@ -415,19 +415,19 @@ Envoy query (App Mesh):
 sum(
     rate(
         envoy_cluster_upstream_rq{
-          kubernetes_namespace="$namespace",
-          kubernetes_pod_name=~"$workload",
+          kubernetes_namespace="{{ namespace }}",
+          kubernetes_pod_name=~"{{ target }}",
           envoy_response_code!~"5.*"
-        }[$interval]
+        }[{{ interval }}]
     )
 )
 /
 sum(
     rate(
         envoy_cluster_upstream_rq{
-          kubernetes_namespace="$namespace",
-          kubernetes_pod_name=~"$workload"
-        }[$interval]
+          kubernetes_namespace="{{ namespace }}",
+          kubernetes_pod_name=~"{{ target }}"
+        }[{{ interval }}]
     )
 )
 ```
@@ -438,17 +438,17 @@ Envoy query (Contour and Gloo):
 sum(
     rate(
         envoy_cluster_upstream_rq{
-            envoy_cluster_name=~"$namespace-$workload",
+            envoy_cluster_name=~"{{ namespace }}-{{ target }}",
             envoy_response_code!~"5.*"
-        }[$interval]
+        }[{{ interval }}]
     )
 )
 /
 sum(
     rate(
         envoy_cluster_upstream_rq{
-            envoy_cluster_name=~"$namespace-$workload",
-        }[$interval]
+            envoy_cluster_name=~"{{ namespace }}-{{ target }}",
+        }[{{ interval }}]
     )
 )
 ```
@@ -476,9 +476,9 @@ histogram_quantile(0.99,
     irate(
       istio_request_duration_milliseconds_bucket{
         reporter="destination",
-        destination_workload=~"$workload",
-        destination_workload_namespace=~"$namespace"
-      }[$interval]
+        destination_workload=~"{{ target }}",
+        destination_workload_namespace=~"{{ namespace }}"
+      }[{{ interval }}]
     )
   ) by (le)
 )
@@ -491,9 +491,9 @@ histogram_quantile(0.99,
   sum(
     irate(
       envoy_cluster_upstream_rq_time_bucket{
-        kubernetes_pod_name=~"$workload",
-        kubernetes_namespace=~"$namespace"
-      }[$interval]
+        kubernetes_pod_name=~"{{ target }}",
+        kubernetes_namespace=~"{{ namespace }}"
+      }[{{ interval }}]
     )
   ) by (le)
 )
@@ -515,10 +515,10 @@ If you're using Istio with Gateway API, the Prometheus query needs to include `r
     rate(
         istio_requests_total{
           reporter="source",
-          destination_workload_namespace=~"$namespace",
-          destination_workload=~"$workload",
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}",
           response_code!~"5.*"
-        }[$interval]
+        }[{{ interval }}]
     )
 )
 /
@@ -526,9 +526,9 @@ sum(
     rate(
         istio_requests_total{
           reporter="source",
-          destination_workload_namespace=~"$namespace",
-          destination_workload=~"$workload"
-        }[$interval]
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}"
+        }[{{ interval }}]
     )
 ) * 100
 ```
@@ -558,7 +558,7 @@ spec:
     portName: http-frontend
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
     # Istio virtual service host names (optional)
     hosts:
@@ -600,7 +600,7 @@ spec:
 For the above spec Flagger will generate the following virtual service:
 
 ```yaml
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: frontend
@@ -614,7 +614,7 @@ metadata:
       uid: 3a4a40dd-3875-11e9-8e1d-42010a9c0fd1
 spec:
   gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
   hosts:
     - frontend.example.com
@@ -653,7 +653,7 @@ spec:
 For each destination in the virtual service a rule is generated:
 
 ```yaml
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: DestinationRule
 metadata:
   name: frontend-primary
@@ -664,7 +664,7 @@ spec:
     tls:
       mode: DISABLE
 ---
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: DestinationRule
 metadata:
   name: frontend-canary
@@ -751,7 +751,7 @@ spec:
 Based on the above spec, Flagger will create the following virtual service:
 
 ```yaml
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: backend
@@ -777,14 +777,14 @@ spec:
 Therefore, the following virtual service forwards the traffic to `/podinfo` by the above delegate VirtualService.
 
 ```yaml
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: frontend
   namespace: test
 spec:
   gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     - mesh
   hosts:
     - frontend.example.com
@@ -821,7 +821,7 @@ spec:
   service:
     port: 8080
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - my-site.com
     match:
@@ -838,7 +838,7 @@ spec:
   service:
     port: 8080
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - my-site.com
     match:

docs/gitbook/install/flagger-install-on-google-cloud.md

@@ -374,7 +374,7 @@ helm upgrade -i flagger-grafana flagger/grafana \
 Expose Grafana through the public gateway by creating a virtual service \(replace `example.com` with your domain\):
 
 ```yaml
-apiVersion: networking.istio.io/v1alpha3
+apiVersion: networking.istio.io/v1beta1
 kind: VirtualService
 metadata:
   name: grafana
@@ -383,7 +383,7 @@ spec:
   hosts:
   - "grafana.example.com"
   gateways:
-  - public-gateway.istio-system.svc.cluster.local
+  - istio-system/public-gateway
   http:
   - route:
     - destination:

docs/gitbook/install/flagger-install-on-kubernetes.md

@@ -81,6 +81,15 @@ $ helm upgrade -i flagger flagger/flagger \
 --set metricsServer=http://osm-prometheus.osm-system.svc:7070
 ```
 
+If you need to add labels to the flagger deployment or pods, you can pass the labels as parameters as shown below.
+
+```console
+helm upgrade -i flagger flagger/flagger \
+<other parameters> \
+--set podLabels.<labelName>=<labelValue> \
+--set deploymentLabels.<labelName>=<labelValue> 
+```
+
 You can install Flagger in any namespace as long as it can talk to the Prometheus service on port 9090.
 
 For ingress controllers, the install instructions are:

docs/gitbook/install/flagger-install-with-flux.md

@@ -42,7 +42,7 @@ apiVersion: source.toolkit.fluxcd.io/v1beta2
 kind: HelmRepository
 metadata:
   name: flagger
-  namespace: flux-system
+  namespace: flagger-system
 spec:
   interval: 1h
   url: oci://ghcr.io/fluxcd/charts

docs/gitbook/tutorials/appmesh-progressive-delivery.md

@@ -80,7 +80,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/canary-helm-gitops.md

@@ -50,7 +50,7 @@ helm upgrade -i frontend flagger/podinfo \
 --set backend=http://backend.test:9898/echo \
 --set canary.enabled=true \
 --set canary.istioIngress.enabled=true \
---set canary.istioIngress.gateway=public-gateway.istio-system.svc.cluster.local \
+--set canary.istioIngress.gateway=istio-system/public-gateway \
 --set canary.istioIngress.host=frontend.istio.example.com
 ```
 
@@ -278,7 +278,7 @@ spec:
         enabled: true
         istioIngress:
           enabled: true
-          gateway: public-gateway.istio-system.svc.cluster.local
+          gateway: istio-system/public-gateway
           host: frontend.istio.example.com
         loadtest:
           enabled: true
@@ -343,5 +343,5 @@ A canary deployment can fail due to any of the following reasons:
 * the Istio telemetry service is unable to collect traffic metrics
 * the metrics server \(Prometheus\) can't be reached
 
-If you want to find out more about managing Helm releases with Flux here are two in-depth guides: [gitops-helm](https://github.com/stefanprodan/gitops-helm) and [gitops-istio](https://github.com/stefanprodan/gitops-istio).
+If you want to find out more about managing Helm releases with Flux here are two in-depth guides: [flux2-kustomize-helm-example](https://github.com/fluxcd/flux2-kustomize-helm-example) and [gitops-istio](https://github.com/stefanprodan/gitops-istio).
 

docs/gitbook/tutorials/contour-progressive-delivery.md

@@ -76,7 +76,7 @@ spec:
     name: podinfo
   # HPA reference
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/gatewayapi-progressive-delivery.md

@@ -6,55 +6,64 @@ This guide shows you how to use [Gateway API](https://gateway-api.sigs.k8s.io/)
 
 ## Prerequisites
 
-Flagger requires a Kubernetes cluster **v1.19** or newer and any mesh/ingress that implements the `v1beta1` version of Gateway API. We'll be using Contour for the sake of this tutorial, but you can use any other implementation.
+Flagger requires a Kubernetes cluster **v1.19** or newer and any mesh/ingress that implements the `v1beta1` or the `v1` version of Gateway API.
+We'll be using Istio for the sake of this tutorial, but you can use any other implementation.
 
-> Note: Flagger supports `v1alpha2` version of Gateway API, but the alpha version has been deprecated and support will be dropped in a future release.
-
-Install Contour, its Gateway provisioner and Gateway API CRDs in the `projectcontour` namespace:
+Install the Gateway API CRDs
 
 ```bash
-https://raw.githubusercontent.com/projectcontour/contour/release-1.23/examples/render/contour-gateway-provisioner.yaml
+kubectl apply -k "github.com/kubernetes-sigs/gateway-api/config/crd?ref=v1.0.0"
 ```
 
-> Alternatively, you can also install the Gateway API CRDs from the upstream project:
+Install Istio:
+
 ```bash
-kubectl apply -k github.com/kubernetes-sigs/gateway-api/config/crd?ref=v0.6.0
+istioctl install --set profile=minimal -y
+
+# Suggestion: Please change release-1.20 in below command, to your real istio version.
+kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.20/samples/addons/prometheus.yaml
 ```
 
 Install Flagger in the `flagger-system` namespace:
 
 ```bash
-kubectl apply -k github.com/fluxcd/flagger//kustomize/gatewayapi
+kubectl create ns flagger-system
+
+helm repo add flagger https://flagger.app
+helm upgrade -i flagger flagger/flagger \
+  --namespace flagger-system \
+  --set prometheus.install=false \
+  --set meshProvider=gatewayapi:v1 \
+  --set metricsServer=http://prometheus.istio-system:9090
 ```
 
-Create a `GatewayClass` that specifies information about the Gateway controller:
+> Note: The above installation sets the mesh provider to be `gatewayapi:v1`. If your Gateway API implementation uses the `v1beta1` CRDs, then
+set the `--meshProvider` value to `gatewayapi:v1beta1`.
 
-```yaml
-kind: GatewayClass
-apiVersion: gateway.networking.k8s.io/v1beta1
-metadata:
-  name: contour
-spec:
-  controllerName: projectcontour.io/gateway-controller
+Create a namespace for the `Gateway`:
+
+```bash
+kubectl create ns istio-ingress
 ```
 
 Create a `Gateway` that configures load balancing, traffic ACL, etc:
 
 ```yaml
-kind: Gateway
 apiVersion: gateway.networking.k8s.io/v1beta1
+kind: Gateway
 metadata:
-  name: contour
-  namespace: projectcontour
+  name: gateway
+  namespace: istio-ingress
 spec:
-  gatewayClassName: contour
+  gatewayClassName: istio
   listeners:
-    - name: http
-      protocol: HTTP
-      port: 80
-      allowedRoutes:
-        namespaces:
-          from: All
+  - name: default
+    hostname: "*.example.com"
+    port: 80
+    protocol: HTTP
+    allowedRoutes:
+      namespaces:
+        from: All
 ```
 
 ## Bootstrap
@@ -90,13 +99,15 @@ metadata:
 spec:
   provider:
     type: prometheus
-    address: http://flagger-prometheus:9090
+    address: http://prometheus.istio-system:9090
   query: |
     histogram_quantile(0.99,
       sum(
         rate(
-          envoy_cluster_upstream_rq_time_bucket{
-            envoy_cluster_name=~"{{ namespace }}_{{ target }}-canary_[0-9a-zA-Z-]+",
+          istio_request_duration_milliseconds_bucket{
+            reporter="source",
+            destination_workload_namespace=~"{{ namespace }}",
+            destination_workload=~"{{ target }}",
           }[{{ interval }}]
         )
       ) by (le)
@@ -110,21 +121,25 @@ metadata:
 spec:
   provider:
     type: prometheus
-    address: http://flagger-prometheus:9090
+    address: http://prometheus.istio-system:9090
   query: |
     100 - sum(
       rate(
-        envoy_cluster_upstream_rq{
-          envoy_cluster_name=~"{{ namespace }}_{{ target }}-canary_[0-9a-zA-Z-]+",
-          envoy_response_code!~"5.*"
+        istio_requests_total{
+          reporter="source",
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}",
+          response_code!~"5.*"
         }[{{ interval }}]
       )
     )
     /
     sum(
       rate(
-        envoy_cluster_upstream_rq{
-          envoy_cluster_name=~"{{ namespace }}_{{ target }}-canary_[0-9a-zA-Z-]+",
+        istio_requests_total{
+          reporter="source",
+          destination_workload_namespace=~"{{ namespace }}",
+          destination_workload=~"{{ target }}",
         }[{{ interval }}]
       )
     )
@@ -137,7 +152,7 @@ Save the above resource as metric-templates.yaml and then apply it:
 kubectl apply -f metric-templates.yaml
 ```
 
-Create a canary custom resource \(replace "loaclproject.contour.io" with your own domain\):
+Create a canary custom resource \(replace "www.example.com" with your own domain\):
 
 ```yaml
 apiVersion: flagger.app/v1beta1
@@ -156,7 +171,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -166,11 +181,11 @@ spec:
     targetPort: 9898
     # Gateway API HTTPRoute host names
     hosts:
-     - localproject.contour.io
+     - www.example.com
     # Reference to the Gateway that the generated HTTPRoute would attach to.
     gatewayRefs:
-      - name: contour
-        namespace: projectcontour
+      - name: gateway
+        namespace: istio-ingress
   analysis:
     # schedule interval (default 60s)
     interval: 1m
@@ -213,7 +228,7 @@ spec:
         url: http://flagger-loadtester.test/
         timeout: 5s
         metadata:
-          cmd: "hey -z 2m -q 10 -c 2 -host localproject.contour.io http://envoy.projectcontour/"
+          cmd: "hey -z 2m -q 10 -c 2 -host www.example.com http://gateway-istio.istio-ingress/"
 ```
 
 Save the above resource as podinfo-canary.yaml and then apply it:
@@ -243,26 +258,27 @@ httproutes.gateway.networking.k8s.io/podinfo
 
 ## Expose the app outside the cluster
 
-Find the external address of Contour's Envoy load balancer:
+Find the external address of Istio's load balancer:
 
 ```bash
-export ADDRESS="$(kubectl -n projectcontour get svc/envoy -ojson \
+export ADDRESS="$(kubectl -n istio-ingress get svc/gateway-istio -ojson \
 | jq -r ".status.loadBalancer.ingress[].hostname")"
 echo $ADDRESS
 ```
 
-Configure your DNS server with a CNAME record \(AWS\) or A record \(GKE/AKS/DOKS\) and point a domain e.g. `localproject.contour.io` to the LB address.
+Configure your DNS server with a CNAME record \(AWS\) or A record \(GKE/AKS/DOKS\) and point a domain e.g. `www.example.com` to the LB address.
 
 Now you can access the podinfo UI using your domain address.
 
-Note that you should be using HTTPS when exposing production workloads on internet. You can obtain free TLS certs from Let's Encrypt, read this [guide](https://github.com/stefanprodan/eks-contour-ingress) on how to configure cert-manager to secure Contour with TLS certificates.
+Note that you should be using HTTPS when exposing production workloads on internet. You can obtain free TLS certs from Let's Encrypt, read this
+[guide](https://github.com/stefanprodan/istio-gke) on how to configure cert-manager to secure Istio with TLS certificates.
 
 If you're using a local cluster via kind/k3s you can port forward the Envoy LoadBalancer service:
 ```bash
-kubectl port-forward -n projectcontour svc/envoy 8080:80
+kubectl port-forward -n istio-ingress svc/gateway-istio 8080:80
 ```
 
-Now you can access podinfo via `curl -H "Host: localproject.contour.io" localhost:8080`
+Now you can access podinfo via `curl -H "Host: www.example.com" localhost:8080`
 
 ## Automated canary promotion
 
@@ -382,13 +398,15 @@ Events:
   Warning  Synced  1m    flagger  Canary failed! Scaling down podinfo.test
 ```
 
-# A/B Testing
+## Session Affinity
 
-Besides weighted routing, Flagger can be configured to route traffic to the canary based on HTTP match conditions. In an A/B testing scenario, you'll be using HTTP headers or cookies to target a certain segment of your users. This is particularly useful for frontend applications that require session affinity.
+While Flagger can perform weighted routing and A/B testing individually, with Gateway API it can combine the two leading to a Canary
+release with session affinity.
+For more information you can read the [deployment strategies docs](../usage/deployment-strategies.md#canary-release-with-session-affinity).
 
-![Flagger A/B Testing Stages](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-abtest-steps.png)
+> **Note:** The implementation must have support for the [`ResponseHeaderModifier`](https://github.com/kubernetes-sigs/gateway-api/blob/3d22aa5a08413222cb79e6b2e245870360434614/apis/v1beta1/httproute_types.go#L651) API. 
 
-Create a canary custom resource \(replace "loaclproject.contour.io" with your own domain\):
+Create a canary custom resource \(replace www.example.com with your own domain\):
 
 ```yaml
 apiVersion: flagger.app/v1beta1
@@ -407,7 +425,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -417,11 +435,120 @@ spec:
     targetPort: 9898
     # Gateway API HTTPRoute host names
     hosts:
-     - localproject.contour.io
+     - www.example.com
     # Reference to the Gateway that the generated HTTPRoute would attach to.
     gatewayRefs:
-      - name: contour
-        namespace: projectcontour
+      - name: gateway
+        namespace: istio-ingress
+  analysis:
+    # schedule interval (default 60s)
+    interval: 1m
+    # max number of failed metric checks before rollback
+    threshold: 5
+    # max traffic percentage routed to canary
+    # percentage (0-100)
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 10
+    # session affinity config
+    sessionAffinity:
+      # name of the cookie used
+      cookieName: flagger-cookie
+      # max age of the cookie (in seconds)
+      # optional; defaults to 86400
+      maxAge: 21600
+    metrics:
+    - name: error-rate
+      # max error rate (5xx responses)
+      # percentage (0-100)
+      templateRef:
+        name: error-rate
+        namespace: flagger-system
+      thresholdRange:
+        max: 1
+      interval: 1m
+    - name: latency
+      templateRef:
+        name: latency
+        namespace: flagger-system
+      # seconds
+      thresholdRange:
+         max: 0.5
+      interval: 30s
+    # testing (optional)
+    webhooks:
+      - name: smoke-test
+        type: pre-rollout
+        url: http://flagger-loadtester.test/
+        timeout: 15s
+        metadata:
+          type: bash
+          cmd: "curl -sd 'anon' http://podinfo-canary.test:9898/token | grep token"
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          cmd: "hey -z 2m -q 10 -c 2 -host www.example.com http://gateway-istio.istio-ingress/"
+```
+
+Save the above resource as podinfo-canary-session-affinity.yaml and then apply it:
+
+```bash
+kubectl apply -f ./podinfo-canary-session-affinity.yaml
+```
+
+Trigger a canary deployment by updating the container image:
+
+```bash
+kubectl -n test set image deployment/podinfo \
+podinfod=ghcr.io/stefanprodan/podinfo:6.0.1
+```
+
+You can load `www.example.com` in your browser and refresh it until you see the requests being served by `podinfo:6.0.1`.
+All subsequent requests after that will be served by `podinfo:6.0.1` and not `podinfo:6.0.0` because of the session affinity
+configured by Flagger in the HTTPRoute object.
+
+# A/B Testing
+
+Besides weighted routing, Flagger can be configured to route traffic to the canary based on HTTP match conditions. In an A/B testing scenario, you'll be using HTTP headers or cookies to target a certain segment of your users. This is particularly useful for frontend applications that require session affinity.
+
+![Flagger A/B Testing Stages](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-abtest-steps.png)
+
+Create a canary custom resource \(replace "www.example.com" with your own domain\):
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  # deployment reference
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  # HPA reference (optional)
+  autoscalerRef:
+    apiVersion: autoscaling/v2
+    kind: HorizontalPodAutoscaler
+    name: podinfo
+  service:
+    # service port number
+    port: 9898
+    # container port number or name (optional)
+    targetPort: 9898
+    # Gateway API HTTPRoute host names
+    hosts:
+     - www.example.com
+    # Reference to the Gateway that the generated HTTPRoute would attach to.
+    gatewayRefs:
+      - name: gateway
+        namespace: istio-ingress
   analysis:
     # schedule interval (default 60s)
     interval: 1m
@@ -464,7 +591,7 @@ spec:
         url: http://flagger-loadtester.test/
         timeout: 5s
         metadata:
-          cmd: "hey -z 2m -q 10 -c 2 -host localproject.contour.io -H 'X-Canary: insider' http://envoy.projectcontour/"
+          cmd: "hey -z 2m -q 10 -c 2 -host www.example.com -H 'X-Canary: insider' http://gateway-istio.istio-ingress/"
 ```
 
 The above configuration will run an analysis for ten minutes targeting those users that have an insider cookie.
@@ -485,7 +612,7 @@ podinfod=stefanprodan/podinfo:6.0.3
 Flagger detects that the deployment revision changed and starts a new rollout:
 
 ```text
-kubectl -n test describe canary/abtest
+kubectl -n test describe canary/podinfo
 
 Status:
   Failed Checks:         0
@@ -511,5 +638,90 @@ Events:
   Normal   Synced  5s    flagger  Promotion completed! Scaling down podinfo.test
 ```
 
+## Traffic mirroring
+
+![Flagger Canary Traffic Shadowing](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-canary-traffic-mirroring.png)
+
+For applications that perform read operations, Flagger can be configured to do B/G tests with traffic mirroring.
+Gateway API traffic mirroring will copy each incoming request, sending one request to the primary and one to the canary service.
+The response from the primary is sent back to the user and the response from the canary is discarded.
+Metrics are collected on both requests so that the deployment will only proceed if the canary metrics are within the threshold values.
+
+Note that mirroring should be used for requests that are **idempotent** or capable of being processed twice \(once by the primary and once by the canary\).
+
+You can enable mirroring by replacing `stepWeight` with `iterations` and by setting `analysis.mirror` to `true`:
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  # deployment reference
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  service:
+    # service port number
+    port: 9898
+    # container port number or name (optional)
+    targetPort: 9898
+    # Gateway API HTTPRoute host names
+    hosts:
+     - www.example.com
+    # Reference to the Gateway that the generated HTTPRoute would attach to.
+    gatewayRefs:
+      - name: gateway
+        namespace: istio-ingress
+  analysis:
+    # schedule interval
+    interval: 1m
+    # max number of failed metric checks before rollback
+    threshold: 5
+    # total number of iterations
+    iterations: 10
+    # enable traffic shadowing
+    mirror: true
+    # Gateway API HTTPRoute host names
+    metrics:
+      - name: request-success-rate
+        thresholdRange:
+          min: 99
+        interval: 1m
+      - name: request-duration
+        thresholdRange:
+          max: 500
+        interval: 1m
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          cmd: "hey -z 2m -q 10 -c 2 -host www.example.com http://gateway-istio.istio-ingress/"
+```
+
+With the above configuration, Flagger will run a canary release with the following steps:
+
+* detect new revision \(deployment spec, secrets or configmaps changes\)
+* scale from zero the canary deployment
+* wait for the HPA to set the canary minimum replicas
+* check canary pods health
+* run the acceptance tests
+* abort the canary release if tests fail
+* start the load tests
+* mirror 100% of the traffic from primary to canary
+* check request success rate and request duration every minute
+* abort the canary release if the metrics check failure threshold is reached
+* stop traffic mirroring after the number of iterations is reached
+* route live traffic to the canary pods
+* promote the canary \(update the primary secrets, configmaps and deployment spec\)
+* wait for the primary deployment rollout to finish
+* wait for the HPA to set the primary minimum replicas
+* check primary pods health
+* switch live traffic back to primary
+* scale to zero the canary
+* send notification with the canary analysis result
 
 The above procedures can be extended with [custom metrics](../usage/metrics.md) checks, [webhooks](../usage/webhooks.md), [manual promotion](../usage/webhooks.md#manual-gating) approval and [Slack or MS Teams](../usage/alerting.md) notifications.

docs/gitbook/tutorials/gloo-progressive-delivery.md

@@ -110,7 +110,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/istio-ab-testing.md

@@ -15,7 +15,7 @@ Install Istio with telemetry support and Prometheus:
 ```bash
 istioctl manifest install --set profile=default
 
-kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/prometheus.yaml
+kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.18/samples/addons/prometheus.yaml
 ```
 
 Install Flagger in the `istio-system` namespace:
@@ -84,7 +84,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -92,7 +92,7 @@ spec:
     port: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
@@ -179,7 +179,7 @@ podinfod=ghcr.io/stefanprodan/podinfo:6.0.1
 Flagger detects that the deployment revision changed and starts a new rollout:
 
 ```text
-kubectl -n test describe canary/abtest
+kubectl -n test describe canary/podinfo
 
 Status:
   Failed Checks:         0

docs/gitbook/tutorials/istio-progressive-delivery.md

@@ -14,7 +14,7 @@ Install Istio with telemetry support and Prometheus:
 istioctl manifest install --set profile=default
 
 # Suggestion: Please change release-1.8 in below command, to your real istio version.
-kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.8/samples/addons/prometheus.yaml
+kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.18/samples/addons/prometheus.yaml
 ```
 
 Install Flagger in the `istio-system` namespace:
@@ -85,7 +85,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -95,7 +95,7 @@ spec:
     targetPort: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
@@ -316,7 +316,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -326,7 +326,7 @@ spec:
     targetPort: 9898
     # Istio gateways (optional)
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     # Istio virtual service host names (optional)
     hosts:
     - app.example.com
@@ -480,3 +480,61 @@ With the above configuration, Flagger will run a canary release with the followi
 
 The above procedure can be extended with [custom metrics](../usage/metrics.md) checks, [webhooks](../usage/webhooks.md), [manual promotion](../usage/webhooks.md#manual-gating) approval and [Slack or MS Teams](../usage/alerting.md) notifications.
 
+
+## Canary Deployments for TCP Services
+
+Performing a Canary deployment on a TCP (non HTTP) service is nearly identical to an HTTP Canary. Besides updating your `Gateway` document to support the `TCP` routing, the only difference is you have to set the `appProtocol` field to `TCP` inside of the `service` section of your `Canary` document.
+
+#### Example:
+
+```yaml
+apiVersion: networking.istio.io/v1alpha3
+kind: Gateway
+metadata:
+  name: public-gateway
+  namespace: istio-system
+spec:
+  selector:
+    istio: ingressgateway
+  servers:
+    - port:
+        number: 7070
+        name: tcp-service
+        protocol: TCP # <== set the protocol to tcp here
+      hosts:
+        - "*"
+```
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: Canary
+# omitted for brevity
+spec:
+  service:
+    port: 7070
+    appProtocol: TCP # <== set the appProtocol here
+    targetPort: 7070
+    portName: "tcp-service-port"
+```
+
+If the `appProtocol` equals `TCP` then Flagger will treat this as a Canary deployment for a `TCP` service. When it creates the `VirtualService` document it will add a `TCP` section to route requests between the `primary` and `canary` services. See Istio documentation for more information on this [spec](https://istio.io/latest/docs/reference/config/networking/virtual-service/#TCPRoute).
+
+The resulting `VirtualService` will include a `tcp` section similar to what is shown below:
+```yaml
+tcp:
+  - route:
+    - destination:
+        host: tcp-service-primary
+        port:
+          number: 7070
+      weight: 100
+    - destination:
+        host: tcp-service-canary
+        port:
+          number: 7070
+      weight: 0
+```
+
+Once the Canary analysis begins, Flagger will be able to adjust the weights inside of this `tcp` section to advance the Canary deployment until it either runs into an error (and is halted) or it successfully reaches the end of the analysis and is Promoted.
+
+It is also important to note that if you set `appProtocol` to anything other than `TCP`, for example if you set it to `HTTP`, it will perform the Canary and treat it as an `HTTP` service. The same remains true if you do not set `appProtocol` at all. It will __ONLY__ treat a Canary as a `TCP` service if `appProtocal` equals `TCP`.

docs/gitbook/tutorials/keda-scaledobject.md

@@ -20,6 +20,7 @@ Install Flagger:
 ```bash
 helm repo add flagger https://flagger.app
 
+kubectl create namespace flagger
 helm upgrade -i flagger flagger/flagger \
 --namespace flagger \
 --set prometheus.install=true \
@@ -68,7 +69,7 @@ spec:
   - type: prometheus
     metadata:
       name: prom-trigger
-      serverAddress: http://flagger-prometheus.flagger-system:9090
+      serverAddress: http://flagger-prometheus.flagger:9090
       metricName: http_requests_total
       query: sum(rate(http_requests_total{ app="podinfo" }[30s]))
       threshold: '5'

docs/gitbook/tutorials/knative-progressive-delivery.md

@@ -0,0 +1,249 @@
+# Knative Canary Deployments
+
+This guide shows you how to use [Knative](https://knative.dev/) and Flagger to automate canary deployments.
+
+![Flagger Canary Stages](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-gatewayapi-canary.png)
+
+## Prerequisites
+
+Flagger requires a Kubernetes cluster **v1.19** or newer and a Knative Serving installation that supports
+the resources with `serving.knative.dev/v1` as their API version.
+
+Install Knative v1.17.0:
+
+```bash
+kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.17.0/serving-crds.yaml
+kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.17.0/serving-core.yaml
+kubectl apply -f https://github.com/knative/net-kourier/releases/download/knative-v1.17.0/kourier.yaml
+kubectl patch configmap/config-network \
+  --namespace knative-serving \
+  --type merge \
+  --patch '{"data":{"ingress-class":"kourier.ingress.networking.knative.dev"}}'
+```
+
+
+Install Flagger in the `flagger-system` namespace:
+
+```bash
+kubectl apply -k github.com/fluxcd/flagger//kustomize/knative
+```
+
+Create a namespace for your Kntive Service:
+
+```bash
+kubectl create namespace test
+```
+
+Create a Knative Service that deploys podinfo:
+
+```yaml
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  template:
+    spec:
+      containers:
+        - image: ghcr.io/stefanprodan/podinfo:6.0.0
+          ports:
+            - containerPort: 9898
+              protocol: TCP
+          command:
+            - ./podinfo
+            - --port=9898
+            - --port-metrics=9797
+            - --grpc-port=9999
+            - --grpc-service-name=podinfo
+            - --level=info
+            - --random-delay=false
+            - --random-error=false
+```
+
+Deploy the load testing service to generate traffic during the canary analysis:
+
+```bash
+kubectl apply -k https://github.com/fluxcd/flagger//kustomize/tester?ref=main
+```
+
+Create a Canary custom resource:
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  provider: knative
+  # knative service ref
+  targetRef:
+    apiVersion: serving.knative.dev/v1
+    kind: Service
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  analysis:
+    # schedule interval (default 60s)
+    interval: 15s
+    # max number of failed metric checks before rollback
+    threshold: 15
+    # max traffic percentage routed to canary
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 10
+    metrics:
+    - name: request-success-rate
+      # min success rate (non-5xx responses)
+      # percentage (0-100)
+      thresholdRange:
+        min: 99
+      interval: 1m
+    - name: request-duration
+      # milliseconds
+      thresholdRange:
+         max: 500
+      interval: 1m
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          type: cmd
+          cmd: "hey -z 1m -q 5 -c 2 http://podinfo.test"
+          logCmdOutput: "true"
+```
+
+> Note: Please note that for a Canary resource with `.spec.provider` set to `knative`, the resource is only valid if the
+`.spec.targetRef.kind` is `Service` and `.spec.targetRef.apiVersion` is `serving.knative.dev/v1`.
+
+Save the above resource as podinfo-canary.yaml and then apply it:
+
+```bash
+kubectl apply -f ./podinfo-canary.yaml
+```
+
+When the canary analysis starts, Flagger will call the pre-rollout webhooks before routing traffic to the canary.
+The canary analysis will run for five minutes while validating the HTTP metrics and rollout hooks every minute.
+
+After a couple of seconds Flagger will make the following changes the Knative Service `podinfo`:
+
+* Add an annotation to the object with the name `flagger.app/primary-revision`.
+* Modify the `.spec.traffic` section of the object such that it can manipulate the traffic spread between
+  the primary and canary Knative Revision.
+
+## Automated canary promotion
+
+Trigger a canary deployment by updating the container image:
+
+```bash
+kubectl -n test set image deployment/podinfo \
+podinfod=stefanprodan/podinfo:6.0.1
+```
+
+Flagger detects that the deployment revision changed and starts a new rollout:
+
+```text
+kubectl -n test describe canary/podinfo
+
+Status:
+  Canary Weight:         0
+  Failed Checks:         0
+  Phase:                 Succeeded
+Events:
+  Type     Reason  Age   From     Message
+  ----     ------  ----  ----     -------
+  Normal   Synced  3m    flagger  New revision detected podinfo.test
+  Normal   Synced  3m    flagger  Scaling up podinfo.test
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 5
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 10
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 15
+  Normal   Synced  2m    flagger  Advance podinfo.test canary weight 20
+  Normal   Synced  2m    flagger  Advance podinfo.test canary weight 25
+  Normal   Synced  1m    flagger  Advance podinfo.test canary weight 30
+  Normal   Synced  1m    flagger  Advance podinfo.test canary weight 35
+  Normal   Synced  55s   flagger  Advance podinfo.test canary weight 40
+  Normal   Synced  45s   flagger  Advance podinfo.test canary weight 45
+  Normal   Synced  35s   flagger  Advance podinfo.test canary weight 50
+  Normal   Synced  25s   flagger  Copying podinfo.test template spec to podinfo-primary.test
+  Normal   Synced  5s    flagger  Promotion completed! Scaling down podinfo.test
+```
+
+A canary deployment is triggered everytime a new Knative Revision is created.
+
+**Note** that if you apply new changes to the Knative Service during the canary analysis, Flagger will restart the analysis.
+
+You can monitor how Flagger progressively changes the Knative Service object to spread traffic between Knative Revisions:
+
+```bash
+watch kubectl get httproute -n test podinfo -o=jsonpath='{.spec.traffic}'
+```
+
+You can monitor all canaries with:
+
+```bash
+watch kubectl get canaries --all-namespaces
+
+NAMESPACE   NAME      STATUS        WEIGHT   LASTTRANSITIONTIME
+test        podinfo   Progressing   15       2025-03-16T14:05:07Z
+prod        frontend  Succeeded     0        2025-03-16T16:15:07Z
+prod        backend   Failed        0        2025-03-16T17:05:07Z
+```
+
+## Automated rollback
+
+During the canary analysis you can generate HTTP 500 errors and high latency to test if Flagger pauses the rollout.
+
+Trigger another canary deployment:
+
+```bash
+kubectl -n test set image deployment/podinfo \
+podinfod=stefanprodan/podinfo:6.0.2
+```
+
+Exec into the load tester pod with:
+
+```bash
+kubectl -n test exec -it flagger-loadtester-xx-xx sh
+```
+
+Generate HTTP 500 errors:
+
+```bash
+watch curl http://podinfo-canary:9898/status/500
+```
+
+Generate latency:
+
+```bash
+watch curl http://podinfo-canary:9898/delay/1
+```
+
+When the number of failed checks reaches the canary analysis threshold, the traffic is routed back to the primary
+Knative Revision and the rollout is marked as failed.
+
+```text
+kubectl -n test describe canary/podinfo
+
+Status:
+  Canary Weight:         0
+  Failed Checks:         10
+  Phase:                 Failed
+Events:
+  Type     Reason  Age   From     Message
+  ----     ------  ----  ----     -------
+  Normal   Synced  3m    flagger  Starting canary deployment for podinfo.test
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 5
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 10
+  Normal   Synced  3m    flagger  Advance podinfo.test canary weight 15
+  Normal   Synced  3m    flagger  Halt podinfo.test advancement error rate 69.17% > 1%
+  Normal   Synced  2m    flagger  Halt podinfo.test advancement error rate 61.39% > 1%
+  Normal   Synced  2m    flagger  Halt podinfo.test advancement error rate 55.06% > 1%
+  Normal   Synced  2m    flagger  Halt podinfo.test advancement error rate 47.00% > 1%
+  Normal   Synced  2m    flagger  (combined from similar events): Halt podinfo.test advancement error rate 38.08% > 1%
+  Warning  Synced  1m    flagger  Rolling back podinfo.test failed checks threshold reached 10
+  Warning  Synced  1m    flagger  Canary failed! Scaling down podinfo.test
+```

docs/gitbook/tutorials/kubernetes-blue-green.md

@@ -84,7 +84,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/kuma-progressive-delivery.md

@@ -15,7 +15,7 @@ kumactl install control-plane | kubectl apply -f -
 kumactl install observability --components "grafana,prometheus" | kubectl apply -f -
 ```
 
-Install Flagger in the `kuma-system` namespace:
+Install Flagger in the `kong-mesh-system` namespace:
 
 ```bash
 kubectl apply -k github.com/fluxcd/flagger//kustomize/kuma

docs/gitbook/tutorials/linkerd-progressive-delivery.md

@@ -2,16 +2,14 @@
 
 This guide shows you how to use Linkerd and Flagger to automate canary deployments.
 
-![Flagger Linkerd Traffic Split](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-linkerd-traffic-split.png)
-
 ## Prerequisites
 
-Flagger requires a Kubernetes cluster **v1.16** or newer and Linkerd **2.10** or newer.
+Flagger requires a Kubernetes cluster **v1.21** or newer and Linkerd **2.14** or newer.
 
 Install Linkerd and Prometheus (part of Linkerd Viz):
 
 ```bash
-# For linkerd versions 2.12 and later, the CRDs need to be installed beforehand
+# The CRDs need to be installed beforehand
 linkerd install --crds | kubectl apply -f -
 
 linkerd install | kubectl apply -f -
@@ -45,14 +43,9 @@ helm install linkerd-control-plane linkerd/linkerd-control-plane \
 
 helm install linkerd-viz linkerd/linkerd-viz -n linkerd-viz --create-namespace
 
-helm repo add l5d-smi https://linkerd.github.io/linkerd-smi
-helm install linkerd-smi l5d-smi/linkerd-smi -n linkerd-smi --create-namespace
-
-# Note that linkerdAuthPolicy.create=true is only required for Linkerd 2.12 and
-# later
 helm install flagger flagger/flagger \
   --n flagger-system \
-  --set meshProvider=linkerd \
+  --set meshProvider=gatewayapi:v1beta1 \
   --set metricsServer=http://prometheus.linkerd-viz:9090 \
   --set linkerdAuthPolicy.create=true
 ```
@@ -82,9 +75,65 @@ Create a deployment and a horizontal pod autoscaler:
 kubectl apply -k https://github.com/fluxcd/flagger//kustomize/podinfo?ref=main
 ```
 
-Create a canary custom resource for the podinfo deployment:
+Create a metrics template and canary custom resources for the podinfo deployment:
 
 ```yaml
+---
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: success-rate
+  namespace: test
+spec:
+  provider:
+    type: prometheus
+    address: http://prometheus.linkerd-viz:9090
+  query: |
+    sum(
+      rate(
+        response_total{
+          namespace="{{ namespace }}",
+          deployment=~"{{ target }}",
+          classification!="failure",
+          direction="{{ variables.direction }}"
+        }[{{ interval }}]
+      )
+    ) 
+    / 
+    sum(
+      rate(
+        response_total{
+          namespace="{{ namespace }}",
+          deployment=~"{{ target }}",
+          direction="{{ variables.direction }}"
+        }[{{ interval }}]
+      )
+    ) 
+    * 100
+---
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: latency
+  namespace: test
+spec:
+  provider:
+    type: prometheus
+    address: http://prometheus.linkerd-viz:9090
+  query: |
+    histogram_quantile(
+        0.99,
+        sum(
+            rate(
+                response_latency_ms_bucket{
+                    namespace="{{ namespace }}",
+                    deployment=~"{{ target }}",
+                    direction="{{ variables.direction }}"
+                    }[{{ interval }}]
+                )
+            ) by (le)
+        )
+---
 apiVersion: flagger.app/v1beta1
 kind: Canary
 metadata:
@@ -98,7 +147,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment
@@ -109,6 +158,13 @@ spec:
     port: 9898
     # container port number or name (optional)
     targetPort: 9898
+    # Reference to the Service that the generated HTTPRoute would attach to.
+    gatewayRefs:
+      - name: podinfo
+        namespace: test
+        group: core
+        kind: Service
+        port: 9898
   analysis:
     # schedule interval (default 60s)
     interval: 30s
@@ -122,18 +178,28 @@ spec:
     stepWeight: 5
     # Linkerd Prometheus checks
     metrics:
-    - name: request-success-rate
+    - name: success-rate
+      templateRef:
+        name: success-rate
+        namespace: test
       # minimum req success rate (non 5xx responses)
       # percentage (0-100)
       thresholdRange:
         min: 99
       interval: 1m
-    - name: request-duration
+      templateVariables:
+        direction: inbound
+    - name: latency
+      templateRef:
+        name: latency
+        namespace: test
       # maximum req duration P99
       # milliseconds
       thresholdRange:
         max: 500
       interval: 30s
+      templateVariables:
+        direction: inbound
     # testing (optional)
     webhooks:
       - name: acceptance-test
@@ -426,7 +492,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/nginx-progressive-delivery.md

@@ -110,7 +110,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/osm-progressive-delivery.md

@@ -86,7 +86,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/skipper-progressive-delivery.md

@@ -113,7 +113,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/traefik-progressive-delivery.md

@@ -103,7 +103,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/zero-downtime-deployments.md

@@ -139,7 +139,7 @@ Note that without resource requests the horizontal pod autoscaler can't determin
 A production environment should be able to handle traffic bursts without impacting the quality of service. This can be achieved with Kubernetes autoscaling capabilities. Autoscaling in Kubernetes has two dimensions: the Cluster Autoscaler that deals with node scaling operations and the Horizontal Pod Autoscaler that automatically scales the number of pods in a deployment.
 
 ```yaml
-apiVersion: autoscaling/v2beta2
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 spec:
   scaleTargetRef:
@@ -172,7 +172,7 @@ spec:
   service:
     port: 9898
     gateways:
-    - public-gateway.istio-system.svc.cluster.local
+    - istio-system/public-gateway
     hosts:
     - app.example.com
     retries:

docs/gitbook/usage/deployment-strategies.md

@@ -3,15 +3,15 @@
 Flagger can run automated application analysis, promotion and rollback for the following deployment strategies:
 
 * **Canary Release** \(progressive traffic shifting\)
-  * Istio, Linkerd, App Mesh, NGINX, Skipper, Contour, Gloo Edge, Traefik, Open Service Mesh, Kuma, Gateway API, Apache APISIX
+  * Istio, Linkerd, App Mesh, NGINX, Skipper, Contour, Gloo Edge, Traefik, Open Service Mesh, Kuma, Gateway API, Apache APISIX, Knative
 * **A/B Testing** \(HTTP headers and cookies traffic routing\)
   * Istio, App Mesh, NGINX, Contour, Gloo Edge, Gateway API
 * **Blue/Green** \(traffic switching\)
   * Kubernetes CNI, Istio, Linkerd, App Mesh, NGINX, Contour, Gloo Edge, Open Service Mesh, Gateway API
 * **Blue/Green Mirroring** \(traffic shadowing\)
-  * Istio
+  * Istio, Gateway API
 * **Canary Release with Session Affinity** \(progressive traffic shifting combined with cookie based routing\)
-  * Istio
+  * Istio, Gateway API
 
 For Canary releases and A/B testing you'll need a Layer 7 traffic management solution like
 a service mesh or an ingress controller. For Blue/Green deployments no service mesh or ingress controller is required.
@@ -126,11 +126,11 @@ the step and the maximum weight value in 0 to 100 range.
 Example:
 
 ```yaml
-canary:
+# canary.yaml
+spec:
   analysis:
-    promotion:
-      maxWeight: 50
-      stepWeight: 20
+    maxWeight: 50
+    stepWeight: 20
 ```
 
 This configuration performs analysis starting from 20, increasing by 20 until weight goes above 50.  
@@ -148,10 +148,10 @@ In order to enable non-linear promotion a new parameter was introduced:
 Example:
 
 ```yaml
-canary:
+# canary.yaml
+spec:
   analysis:
-    promotion:
-      stepWeights: [1, 2, 10, 80]
+    stepWeights: [1, 2, 10, 80]
 ```
 
 This configuration performs analysis starting from 1, going through `stepWeights` values till 80.  
@@ -353,8 +353,6 @@ you should consider what will happen if a write is duplicated and handled by the
 
 To use mirroring, set `spec.analysis.mirror` to `true`.
 
-Istio example:
-
 ```yaml
   analysis:
     # schedule interval (default 60s)
@@ -363,9 +361,10 @@ Istio example:
     iterations: 10
     # max number of failed iterations before rollback
     threshold: 2
-    # Traffic shadowing (compatible with Istio only)
+    # Traffic shadowing
     mirror: true
     # Weight of the traffic mirrored to your canary (defaults to 100%)
+    # Only applicable for Istio.
     mirrorWeight: 100
 ```
 
@@ -408,7 +407,7 @@ cookie based routing with regular weight based routing. This means once a user i
 version of our application (based on the traffic weights), they're always routed to that version, i.e.
 they're never routed back to the old version of our application.
 
-You can enable this, by specifying `.spec.analsyis.sessionAffinity` in the Canary (only Istio is supported):
+You can enable this, by specifying `.spec.analsyis.sessionAffinity` in the Canary:
 
 ```yaml
   analysis:

docs/gitbook/usage/how-it-works.md

@@ -65,7 +65,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
     primaryScalerReplicas:
@@ -147,6 +147,7 @@ spec:
     appProtocol: http
     targetPort: 9898
     portDiscovery: true
+    headless: false
 ```
 
 The container port from the target workload should match the `service.port` or `service.targetPort`.
@@ -155,6 +156,7 @@ The `service.targetPort` can be a container port number or name.
 The `service.portName` is optional (defaults to `http`), if your workload uses gRPC then set the port name to `grpc`.
 The `service.appProtocol` is optional, more details can be found [here](https://kubernetes.io/docs/concepts/services-networking/service/#application-protocol).
 
+
 If port discovery is enabled, Flagger scans the target workload and extracts the containers ports
 excluding the port specified in the canary service and service mesh sidecar ports.
 These ports will be used when generating the ClusterIP services.
@@ -204,6 +206,9 @@ Note that the `apex` annotations are added to both the generated Kubernetes Serv
 generated service mesh/ingress object. This allows using external-dns with Istio `VirtualServices`
 and `TraefikServices`. Beware of configuration conflicts [here](../faq.md#ExternalDNS).
 
+If you want for the generated Kubernetes ClusterIP services to be [headless](https://kubernetes.io/docs/concepts/services-networking/service/#headless-services),
+then set `service.headless` to true.
+
 Besides port mapping and metadata, the service specification can
 contain URI match and rewrite rules, timeout and retry polices:
 
@@ -379,3 +384,10 @@ On each run, Flagger calls the webhooks, checks the metrics and if the failed ch
 stops the analysis and rolls back the canary.
 If alerting is configured, Flagger will post the analysis result using the alert providers.
 
+## Canary suspend
+
+The `suspend` field can be set to true to suspend the Canary. If a Canary is suspended,
+its reconciliation is completely paused. This means that changes to target workloads,
+tracked ConfigMaps and Secrets don't trigger a Canary run and changes to resources generated
+by Flagger are not corrected. If the Canary was suspended during an active Canary run,
+then the run is paused without disturbing the workloads or the traffic weights.

docs/gitbook/usage/metrics.md

@@ -668,3 +668,116 @@ Reference the template in the canary analysis:
           max: 1000
         interval: 1m
 ```
+
+## Keptn
+
+You can create custom metric checks using the Keptn provider.
+This Provider allows to verify either the value of a single [KeptnMetric](https://keptn.sh/stable/docs/reference/crd-reference/metric/),
+representing the value of a single metric,
+or of a [Keptn Analysis](https://keptn.sh/stable/docs/reference/crd-reference/analysis/),
+which provides a flexible grading logic for analysing and prioritising a number of different
+metric values coming from different data sources.
+
+This provider requires [Keptn](https://keptn.sh/stable/docs/installation/) to be installed in the cluster.
+
+Example for a Keptn metric template:
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: response-time
+  namespace: istio-system
+spec:
+  provider:
+    type: keptn
+  query: keptnmetric/my-namespace/response-time/2m/reporter=destination
+```
+
+This will reference the `KeptnMetric` with the name `response-time` in
+the namespace `my-namespace`, which could look like the following:
+
+```yaml
+apiVersion: metrics.keptn.sh/v1beta1
+kind: KeptnMetric
+metadata:
+  name: response-time
+  namespace: my-namespace
+spec:
+  fetchIntervalSeconds: 10
+  provider:
+    name: my-prometheus-keptn-provider
+  query: histogram_quantile(0.8, sum by(le) (rate(http_server_request_latency_seconds_bucket{status_code='200',
+    job='simple-go-backend'}[5m[])))
+```
+
+The `query` contains the following components, which are divided by `/` characters:
+
+```
+<type>/<namespace>/<resource-name>/<timeframe>/<arguments>
+```
+
+* **type (required)**: Must be either `keptnmetric` or `analysis`.
+* **namespace (required)**: The namespace of the referenced `KeptnMetric`/`AnalysisDefinition`.
+* **resource-name (required):** The name of the referenced `KeptnMetric`/`AnalysisDefinition`.
+* **timeframe (optional)**: The timeframe used for the Analysis.
+This will usually be set to the same value as the analysis interval of a `Canary`.
+Only relevant if the `type` is set to `analysis`.
+* **arguments (optional)**: Arguments to be passed to an `Analysis`.
+Arguments are passed as a list of key value pairs, separated by `;` characters,
+e.g. `foo=bar;bar=foo`. 
+Only relevant if the `type` is set to `analysis`.
+
+For the type `analysis`, the value returned by the provider is either `0`
+(if the analysis failed), or `1` (analysis passed).
+
+## Splunk
+
+You can create custom metric checks using the Splunk provider.
+
+Create a secret that contains your authentication token that can be found in the Splunk o11y UI.
+
+```yaml
+apiVersion: v1
+kind: Secret
+metadata:
+  name: splunk
+  namespace: istio-system
+data:
+  sf_token_key: your-access-token
+```
+
+Splunk template example:
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: success-rate
+  namespace: istio-system
+spec:
+  provider:
+    type: splunk
+    address: https://api.<REALM>.signalfx.com
+    secretRef:
+      name: splunk
+  query: |
+    total = data('traces.count', filter=filter('sf_service', '{{target}}')).sum().publish(enable=False)
+    success = data('traces.count', filter=filter('sf_service', '{{target}}') and filter('sf_error', 'false')).sum().publish(enable=False)
+    ((success/total) * 100).publish()
+```
+The query format documentation can be found [here](https://dev.splunk.com/observability/docs/signalflow).
+
+Reference the template in the canary analysis:
+
+```yaml
+  analysis:
+    metrics:
+      - name: "success rate"
+        templateRef:
+          name: success-rate
+          namespace: istio-system
+        thresholdRange:
+          max: 99
+        interval: 1m
+```

docs/gitbook/usage/webhooks.md

@@ -41,6 +41,7 @@ Spec:
       - name: "start gate"
         type: confirm-rollout
         url: http://flagger-loadtester.test/gate/approve
+        retries: 5
       - name: "helm test"
         type: pre-rollout
         url: http://flagger-helmtester.flagger/
@@ -72,6 +73,7 @@ Spec:
       - name: "send to Slack"
         type: event
         url: http://event-recevier.notifications/slack
+        retries: 3
         metadata:
           environment: "test"
           cluster: "flagger-test"
@@ -83,16 +85,19 @@ Webhook payload (HTTP POST):
 
 ```javascript
 {
-    "name": "podinfo",
-    "namespace": "test",
-    "phase": "Progressing", 
-    "metadata": {
-        "test":  "all",
-        "token":  "16688eb5e9f289f1991c"
-    }
+  "name": "podinfo",
+  "namespace": "test",
+  "phase": "Progressing",
+  "checksum": "85d557f47b",
+  "metadata": {
+    "test":  "all",
+    "token":  "16688eb5e9f289f1991c"
+  }
 }
 ```
 
+The checksum field is hashed from the TrackedConfigs and LastAppliedSpec of the Canary, it can be used to identify a Canary for a specific configuration of the deployed resources.
+
 Response status codes:
 
 * 200-202 - advance canary by increasing the traffic weight
@@ -107,6 +112,7 @@ Event payload (HTTP POST):
   "name": "string (canary name)",
   "namespace": "string (canary namespace)",
   "phase": "string (canary phase)",
+  "checksum": "string (canary checksum"),
   "metadata": {
     "eventMessage": "string (canary event message)",
     "eventType": "string (canary event type)",
@@ -118,6 +124,11 @@ Event payload (HTTP POST):
 The event receiver can create alerts based on the received phase 
 (possible values: `Initialized`, `Waiting`, `Progressing`, `Promoting`, `Finalising`, `Succeeded` or `Failed`).
 
+Options:
+* retries: The webhook request can be retried by specifying a positive integer in the `retries` field. This helps ensure reliability if the webhook fails due to transient network issues.
+
+* disable TLS: Set `disableTLS` to `true` in the webhook spec to bypass TLS verification. This is useful in cases where the target service uses self-signed certificates, or you need to connect to an insecure service for testing purposes.
+
 ## Load Testing
 
 For workloads that are not receiving constant traffic Flagger can be configured with a webhook,
@@ -387,6 +398,22 @@ This can be done via mounting a Kubernetes secret in the tester's Deployment.
 to see if the process has finished (Default is 5s). `pollTimeout` represents the time in seconds
 the web-hook will try to call Concord before timing out (Default is 30s).
 
+If you need to start a Pod/Job to run tests, you can do so using `kubectl`.
+
+```yaml
+  analysis:
+    webhooks:
+      - name: "smoke test"
+        type: pre-rollout
+        url: http://flagger-kubectltester.kube-system/
+        timeout: 3m
+        metadata:
+          type: "kubectl"
+          cmd: "run test --image=alpine --overrides='{ "spec": { "serviceAccount": "default:default" }  }'"
+```
+
+Note that you need to setup RBAC for the load tester service account in order to run `kubectl` and `helm` commands.
+
 ## Manual Gating
 
 For manual approval of a canary deployment you can use the `confirm-rollout` and `confirm-promotion` webhooks.

go.mod

@@ -1,89 +1,110 @@
 module github.com/fluxcd/flagger
 
-go 1.19
+go 1.23.0
 
 require (
-	cloud.google.com/go/monitoring v1.13.0
-	github.com/Masterminds/semver/v3 v3.2.1
-	github.com/aws/aws-sdk-go v1.44.241
-	github.com/davecgh/go-spew v1.1.1
-	github.com/go-logr/zapr v1.2.3
-	github.com/google/go-cmp v0.5.9
-	github.com/googleapis/gax-go/v2 v2.8.0
-	github.com/influxdata/influxdb-client-go/v2 v2.12.3
-	github.com/prometheus/client_golang v1.14.0
-	github.com/stretchr/testify v1.8.1
-	go.uber.org/zap v1.24.0
-	google.golang.org/api v0.117.0
-	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1
-	google.golang.org/grpc v1.54.0
-	google.golang.org/protobuf v1.30.0
+	cloud.google.com/go/monitoring v1.22.0
+	github.com/Masterminds/semver/v3 v3.3.1
+	github.com/aws/aws-sdk-go v1.55.5
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
+	github.com/go-logr/zapr v1.3.0
+	github.com/google/go-cmp v0.6.0
+	github.com/google/uuid v1.6.0
+	github.com/googleapis/gax-go/v2 v2.14.0
+	github.com/hashicorp/go-retryablehttp v0.7.7
+	github.com/influxdata/influxdb-client-go/v2 v2.14.0
+	github.com/prometheus/client_golang v1.20.5
+	github.com/signalfx/signalflow-client-go v0.1.0
+	github.com/signalfx/signalfx-go v1.44.0
+	github.com/stretchr/testify v1.10.0
+	go.uber.org/zap v1.27.0
+	golang.org/x/sync v0.10.0
+	google.golang.org/api v0.211.0
+	google.golang.org/genproto v0.0.0-20241021214115-324edc3d5d38
+	google.golang.org/grpc v1.69.2
+	google.golang.org/protobuf v1.36.2
 	gopkg.in/h2non/gock.v1 v1.1.2
-	k8s.io/api v0.26.1
-	k8s.io/apimachinery v0.26.1
-	k8s.io/client-go v0.26.1
-	k8s.io/code-generator v0.26.1
-	k8s.io/klog/v2 v2.90.1
+	k8s.io/api v0.31.4
+	k8s.io/apimachinery v0.31.4
+	k8s.io/client-go v0.31.4
+	k8s.io/code-generator v0.31.4
+	k8s.io/klog/v2 v2.130.1
+	knative.dev/serving v0.44.0
 )
 
 require (
-	cloud.google.com/go/compute v1.19.0 // indirect
-	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/auth v0.12.1 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.6 // indirect
+	cloud.google.com/go/compute/metadata v0.5.2 // indirect
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/deepmap/oapi-codegen v1.12.4 // indirect
-	github.com/emicklei/go-restful/v3 v3.10.2 // indirect
-	github.com/evanphx/json-patch v5.6.0+incompatible // indirect
-	github.com/go-logr/logr v1.2.4 // indirect
-	github.com/go-openapi/jsonpointer v0.19.6 // indirect
-	github.com/go-openapi/jsonreference v0.20.2 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/blendle/zapdriver v1.3.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/emicklei/go-restful/v3 v3.12.1 // indirect
+	github.com/evanphx/json-patch/v5 v5.9.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/gnostic v0.6.9 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/gnostic-models v0.6.8 // indirect
+	github.com/google/go-containerregistry v0.13.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/google/s2a-go v0.1.0 // indirect
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
+	github.com/google/s2a-go v0.1.8 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 // indirect
-	github.com/imdario/mergo v0.3.15 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/imdario/mergo v0.3.16 // indirect
 	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/jmespath/go-jmespath v0.4.1-0.20220621161143-b0104c826a24 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/oapi-codegen/runtime v1.0.0 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.42.0 // indirect
-	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	go.opencensus.io v0.24.0 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
+	github.com/x448/float16 v0.8.4 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 // indirect
+	go.opentelemetry.io/otel v1.31.0 // indirect
+	go.opentelemetry.io/otel/metric v1.31.0 // indirect
+	go.opentelemetry.io/otel/trace v1.31.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.8.0 // indirect
-	golang.org/x/mod v0.10.0 // indirect
-	golang.org/x/net v0.9.0 // indirect
-	golang.org/x/oauth2 v0.7.0 // indirect
-	golang.org/x/sys v0.7.0 // indirect
-	golang.org/x/term v0.7.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.8.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/mod v0.22.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/oauth2 v0.24.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/term v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/time v0.8.0 // indirect
+	golang.org/x/tools v0.29.0 // indirect
+	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241118233622-e639e219e697 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241206012308-a4fef0638583 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/gengo v0.0.0-20230306165830-ab3349d207d4 // indirect
-	k8s.io/kube-openapi v0.0.0-20230327201221-f5883ff37f0c // indirect
-	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
+	k8s.io/gengo/v2 v2.0.0-20240826214909-a7b603a56eb7 // indirect
+	k8s.io/kube-openapi v0.0.0-20240903163716-9e1beecbcb38 // indirect
+	k8s.io/utils v0.0.0-20240921022957-49e7df575cb6 // indirect
+	knative.dev/networking v0.0.0-20250117155906-67d1c274ba6a // indirect
+	knative.dev/pkg v0.0.0-20250117084104-c43477f0052b // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )

go.sum

@@ -1,134 +1,112 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.110.0 h1:Zc8gqp3+a9/Eyph2KDmcGaPtbKRIoqq4YTlL4NMD0Ys=
-cloud.google.com/go/compute v1.19.0 h1:+9zda3WGgW1ZSTlVppLCYFIr48Pa35q1uG2N1itbCEQ=
-cloud.google.com/go/compute v1.19.0/go.mod h1:rikpw2y+UMidAe9tISo04EHNOIf42RLYF/q8Bs93scU=
-cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
-cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
-cloud.google.com/go/longrunning v0.4.1 h1:v+yFJOfKC3yZdY6ZUI933pIYdhyhV8S3NpWrXWmg7jM=
-cloud.google.com/go/monitoring v1.13.0 h1:2qsrgXGVoRXpP7otZ14eE1I568zAa92sJSDPyOJvwjM=
-cloud.google.com/go/monitoring v1.13.0/go.mod h1:k2yMBAB1H9JT/QETjNkgdCGD9bPF712XiLTVr+cBrpw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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hack/update-codegen.sh

@@ -25,14 +25,29 @@ trap "cleanup" EXIT SIGINT
 
 echo ">> Temporary output directory ${TEMP_DIR}"
 
-# Ensure we can execute.
-chmod +x ${CODEGEN_PKG}/generate-groups.sh
+PACKAGE_PATH_BASE="github.com/fluxcd/flagger"
 
-${CODEGEN_PKG}/generate-groups.sh all \
-    github.com/fluxcd/flagger/pkg/client github.com/fluxcd/flagger/pkg/apis \
-    "flagger:v1beta1 appmesh:v1beta2 appmesh:v1beta1 istio:v1alpha3 smi:v1alpha1 smi:v1alpha2 smi:v1alpha3 gloo/gloo:v1 gloo/gateway:v1 projectcontour:v1 traefik:v1alpha1 kuma:v1alpha1 gatewayapi:v1alpha2 gatewayapi:v1beta1 keda:v1alpha1 apisix:v2" \
-    --output-base "${TEMP_DIR}" \
-    --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+mkdir -p "${TEMP_DIR}/${PACKAGE_PATH_BASE}/pkg/client/informers" \
+         "${TEMP_DIR}/${PACKAGE_PATH_BASE}/pkg/client/listers" \
+         "${TEMP_DIR}/${PACKAGE_PATH_BASE}/pkg/client/clientset"
+
+# Ensure we can execute.
+chmod +x ${CODEGEN_PKG}/kube_codegen.sh
+
+source ${CODEGEN_PKG}/kube_codegen.sh
+
+kube::codegen::gen_helpers \
+    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt" \
+    ./pkg/apis
+
+kube::codegen::gen_client \
+    --output-dir "${TEMP_DIR}/${PACKAGE_PATH_BASE}/pkg/client" \
+    --output-pkg "${PACKAGE_PATH_BASE}/pkg/client" \
+    --with-watch \
+    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt" \
+    ./pkg/apis
+
+tree $TEMP_DIR/${PACKAGE_PATH_BASE/pkg/client}/
 
 # Copy everything back.
-cp -r "${TEMP_DIR}/github.com/fluxcd/flagger/." "${SCRIPT_ROOT}/"
+cp -r "${TEMP_DIR}/${PACKAGE_PATH_BASE}/." "${SCRIPT_ROOT}/"

kustomize/base/flagger/crd.yaml

@@ -27,6 +27,10 @@ spec:
         - name: Weight
           type: string
           jsonPath: .status.canaryWeight
+        - name: Suspended
+          type: boolean
+          jsonPath: .spec.suspend
+          priority: 1
         - name: FailedChecks
           type: string
           jsonPath: .status.failedChecks
@@ -76,7 +80,6 @@ spec:
               type: object
               required:
                 - targetRef
-                - service
                 - analysis
               properties:
                 provider:
@@ -125,9 +128,11 @@ spec:
                       type: object
                       properties:
                         minReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                         maxReplicas:
-                          type: number
+                          type: integer
+                          minimum: 1
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -192,6 +197,9 @@ spec:
                     portDiscovery:
                       description: Enable port dicovery
                       type: boolean
+                    headless:
+                      description: Headless if set to true, generates headless Kubernetes services.
+                      type: boolean
                     timeout:
                       description: HTTP or gRPC request timeout
                       type: string
@@ -478,6 +486,54 @@ spec:
                         uri:
                           format: string
                           type: string
+                        authority:
+                          format: string
+                          type: string
+                        type:
+                          format: string
+                          type: string
+                    mirror:
+                      description: Mirror defines a schema for a filter that mirrors requests.
+                      type: array
+                      items:
+                        type: object
+                        properties:
+                          backendRef:
+                            properties:
+                              group:
+                                default: ""
+                                maxLength: 253
+                                pattern: ^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
+                                type: string
+                              kind:
+                                default: Service
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$
+                                type: string
+                              name:
+                                maxLength: 253
+                                minLength: 1
+                                type: string
+                              namespace:
+                                maxLength: 63
+                                minLength: 1
+                                pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$
+                                type: string
+                              port:
+                                format: int32
+                                maximum: 65535
+                                minimum: 1
+                                type: integer
+                            required:
+                            - name
+                            type: object
+                            x-kubernetes-validations:
+                            - message: Must have port for Service reference
+                              rule: '(size(self.group) == 0 && self.kind == ''Service'')
+                                ? has(self.port) : true'
+                      required:
+                      - backendRef
                     headers:
                       description: Headers operations
                       type: object
@@ -557,6 +613,11 @@ spec:
                             minLength: 1
                             pattern: ^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
                             type: string
+                          port:
+                            format: int32
+                            maximum: 65535
+                            minimum: 1
+                            type: integer
                     corsPolicy:
                       description: Istio Cross-Origin Resource Sharing policy (CORS)
                       type: object
@@ -747,6 +808,10 @@ spec:
                                 - LEAST_CONN
                                 - RANDOM
                                 - PASSTHROUGH
+                                - LEAST_REQUEST
+                              type: string
+                            warmupDurationSecs:
+                              description: Represents the warmup duration of Service.
                               type: string
                         outlierDetection:
                           description: Settings controlling eviction of unhealthy hosts from the load balancing pool.
@@ -850,6 +915,9 @@ spec:
                 revertOnDeletion:
                   description: Revert mutated resources to original spec on deletion
                   type: boolean
+                suspend:
+                  description: Suspend Canary disabling/pausing all canary runs
+                  type: boolean
                 analysis:
                   description: Canary analysis for this canary
                   type: object
@@ -923,6 +991,34 @@ spec:
                                   description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax)
                                   format: string
                                   type: string
+                          queryParams:
+                            description: Query parameters for matching.
+                            type: object
+                            additionalProperties:
+                              oneOf:
+                              - not:
+                                  anyOf:
+                                  - required:
+                                    - exact
+                                  - required:
+                                    - prefix
+                                  - required:
+                                    - regex
+                              - required:
+                                - exact
+                              - required:
+                                - prefix
+                              - required:
+                                - regex
+                              properties:
+                                exact:
+                                  type: string
+                                prefix:
+                                  type: string
+                                regex:
+                                  description: RE2 style regex-based match (https://github.com/google/re2/wiki/Syntax).
+                                  type: string
+                              type: object
                           sourceLabels:
                             description: Applicable only when the 'mesh' gateway is included in the service.gateways list
                             type: object
@@ -1040,6 +1136,12 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
+                          disableTLS:
+                            description: Disable TLS verification for this webhook
+                            type: boolean
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object
@@ -1203,6 +1305,8 @@ spec:
                         - newrelic
                         - graphite
                         - dynatrace
+                        - keptn
+                        - splunk
                     address:
                       description: API address of this provider
                       type: string

kustomize/base/flagger/kustomization.yaml

@@ -9,4 +9,4 @@ resources:
 images:
   - name: ghcr.io/fluxcd/flagger
     newName: ghcr.io/fluxcd/flagger
-    newTag: 1.31.0
+    newTag: 1.40.0

kustomize/base/flagger/rbac.yaml

@@ -241,10 +241,37 @@ rules:
       - update
       - patch
       - delete
+  - apiGroups:
+      - metrics.keptn.sh
+    resources:
+      - keptnmetrics
+      - analyses
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
+  - apiGroups:
+      - serving.knative.dev
+    resources:
+      - services
+    verbs:
+      - get
+      - update
+  - apiGroups:
+      - serving.knative.dev
+    resources:
+      - revisions
+    verbs:
+      - get
   - nonResourceURLs:
       - /version
     verbs:
       - get
+
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding

kustomize/gatewayapi/patch.yaml

@@ -10,5 +10,5 @@ spec:
           args:
             - -log-level=info
             - -include-label-prefix=app.kubernetes.io
-            - -mesh-provider=gatewayapi:v1beta1
+            - -mesh-provider=gatewayapi:v1
             - -metrics-server=http://flagger-prometheus:9090

kustomize/knative/kustomization.yaml

@@ -0,0 +1,8 @@
+namespace: flagger-system
+resources:
+  - namespace.yaml
+bases:
+  - ../base/flagger/
+  - ../base/prometheus/
+patchesStrategicMerge:
+  - patch.yaml

kustomize/knative/namespace.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: flagger-system
+  annotations:
+    linkerd.io/inject: disabled
+  labels:
+    istio-injection: disabled
+    appmesh.k8s.aws/sidecarInjectorWebhook: disabled

kustomize/knative/patch.yaml

@@ -0,0 +1,14 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: flagger
+spec:
+  template:
+    spec:
+      containers:
+        - name: flagger
+          args:
+            - -log-level=info
+            - -include-label-prefix=app.kubernetes.io
+            - -mesh-provider=knative
+            - -metrics-server=http://flagger-prometheus:9090

kustomize/kuma/kustomization.yaml

@@ -1,4 +1,4 @@
-namespace: kuma-system
+namespace: kong-mesh-system
 bases:
   - ../base/flagger/
 patchesStrategicMerge:

kustomize/linkerd/patch.yaml

@@ -10,7 +10,7 @@ spec:
           args:
             - -log-level=info
             - -include-label-prefix=app.kubernetes.io
-            - -mesh-provider=linkerd
+            - -mesh-provider=gatewayapi:v1beta1
             - -metrics-server=http://prometheus.linkerd-viz:9090
 ---
 apiVersion: rbac.authorization.k8s.io/v1

kustomize/podinfo/hpa.yaml

@@ -1,4 +1,4 @@
-apiVersion: autoscaling/v2beta2
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: podinfo

kustomize/tester/deployment.yaml

@@ -19,7 +19,7 @@ spec:
     spec:
       containers:
         - name: loadtester
-          image: ghcr.io/fluxcd/flagger-loadtester:0.28.1
+          image: ghcr.io/fluxcd/flagger-loadtester:0.34.0
           imagePullPolicy: IfNotPresent
           ports:
             - name: http

pkg/apis/flagger/v1beta1/alert.go

@@ -34,7 +34,7 @@ type AlertProvider struct {
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
 	Spec   AlertProviderSpec   `json:"spec"`
-	Status AlertProviderStatus `json:"status"`
+	Status AlertProviderStatus `json:"status,omitempty"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

pkg/apis/flagger/v1beta1/canary.go

@@ -21,7 +21,7 @@ import (
 	"time"
 
 	"github.com/fluxcd/flagger/pkg/apis/gatewayapi/v1beta1"
-	istiov1alpha3 "github.com/fluxcd/flagger/pkg/apis/istio/v1alpha3"
+	istiov1beta1 "github.com/fluxcd/flagger/pkg/apis/istio/v1beta1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/intstr"
 )
@@ -46,7 +46,7 @@ type Canary struct {
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
 	Spec   CanarySpec   `json:"spec"`
-	Status CanaryStatus `json:"status"`
+	Status CanaryStatus `json:"status,omitempty"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -110,6 +110,12 @@ type CanarySpec struct {
 	// revert canary mutation on deletion of canary resource
 	// +optional
 	RevertOnDeletion bool `json:"revertOnDeletion,omitempty"`
+
+	// Suspend, if set to true will suspend the Canary, disabling any canary runs
+	// regardless of any changes to its target, services, etc. Note that if the
+	// Canary is suspended during an analysis, its paused until the Canary is unsuspended.
+	// +optional
+	Suspend bool `json:"suspend,omitempty"`
 }
 
 // CanaryService defines how ClusterIP services, service mesh or ingress routing objects are generated
@@ -140,6 +146,11 @@ type CanaryService struct {
 	// PortDiscovery adds all container ports to the generated Kubernetes service
 	PortDiscovery bool `json:"portDiscovery"`
 
+	// Headless if set to true, generates headless Kubernetes services.
+	// ref: https://kubernetes.io/docs/concepts/services-networking/service/#headless-services
+	// +optional
+	Headless bool `json:"headless,omitempty"`
+
 	// Timeout of the HTTP or gRPC request
 	// +optional
 	Timeout string `json:"timeout,omitempty"`
@@ -167,27 +178,31 @@ type CanaryService struct {
 
 	// TrafficPolicy attached to the generated Istio destination rules
 	// +optional
-	TrafficPolicy *istiov1alpha3.TrafficPolicy `json:"trafficPolicy,omitempty"`
+	TrafficPolicy *istiov1beta1.TrafficPolicy `json:"trafficPolicy,omitempty"`
 
 	// URI match conditions for the generated service
 	// +optional
-	Match []istiov1alpha3.HTTPMatchRequest `json:"match,omitempty"`
+	Match []istiov1beta1.HTTPMatchRequest `json:"match,omitempty"`
 
 	// Rewrite HTTP URIs for the generated service
 	// +optional
-	Rewrite *istiov1alpha3.HTTPRewrite `json:"rewrite,omitempty"`
+	Rewrite *HTTPRewrite `json:"rewrite,omitempty"`
 
 	// Retries policy for the generated virtual service
 	// +optional
-	Retries *istiov1alpha3.HTTPRetry `json:"retries,omitempty"`
+	Retries *istiov1beta1.HTTPRetry `json:"retries,omitempty"`
 
 	// Headers operations for the generated Istio virtual service
 	// +optional
-	Headers *istiov1alpha3.Headers `json:"headers,omitempty"`
+	Headers *istiov1beta1.Headers `json:"headers,omitempty"`
+
+	// Mirror specifies the destination for request mirroring.
+	// Responses from this destination are dropped.
+	Mirror []v1beta1.HTTPRequestMirrorFilter `json:"mirror,omitempty"`
 
 	// Cross-Origin Resource Sharing policy for the generated Istio virtual service
 	// +optional
-	CorsPolicy *istiov1alpha3.CorsPolicy `json:"corsPolicy,omitempty"`
+	CorsPolicy *istiov1beta1.CorsPolicy `json:"corsPolicy,omitempty"`
 
 	// Mesh name of the generated App Mesh virtual nodes and virtual service
 	// +optional
@@ -265,7 +280,7 @@ type CanaryAnalysis struct {
 
 	// A/B testing HTTP header match conditions
 	// +optional
-	Match []istiov1alpha3.HTTPMatchRequest `json:"match,omitempty"`
+	Match []istiov1beta1.HTTPMatchRequest `json:"match,omitempty"`
 
 	// SessionAffinity represents the session affinity settings for a canary run.
 	// +optional
@@ -384,6 +399,14 @@ type CanaryWebhook struct {
 	// Metadata (key-value pairs) for this webhook
 	// +optional
 	Metadata *map[string]string `json:"metadata,omitempty"`
+
+	// Number of retries for this webhook
+	// +optional
+	Retries int `json:"retries,omitempty"`
+
+	// Disable TLS verification for this webhook
+	// +optional
+	DisableTLS bool `json:"disableTLS,omitempty"`
 }
 
 // CanaryWebhookPayload holds the deployment info and metadata sent to webhooks
@@ -397,6 +420,11 @@ type CanaryWebhookPayload struct {
 	// Phase of the canary analysis
 	Phase CanaryPhase `json:"phase"`
 
+	// Hash from the TrackedConfigs and LastAppliedSpec of the Canary.
+	// Can be used to identify a Canary for a specific configuration of the
+	// deployed resources.
+	Checksum string `json:"checksum"`
+
 	// Metadata (key-value pairs) for this webhook
 	Metadata map[string]string `json:"metadata,omitempty"`
 }
@@ -435,16 +463,25 @@ type LocalObjectReference struct {
 	Name string `json:"name"`
 }
 
+func (l *LocalObjectReference) IsKnativeService() bool {
+	if l.Kind == "Service" && l.APIVersion == "serving.knative.dev/v1" {
+		return true
+	}
+
+	return false
+}
+
 type AutoscalerRefernce struct {
 	// API version of the scaler
-	// +optional
+	// +required
 	APIVersion string `json:"apiVersion,omitempty"`
 
 	// Kind of the scaler
-	// +optional
+	// +required
 	Kind string `json:"kind,omitempty"`
 
 	// Name of the scaler
+	// +required
 	Name string `json:"name"`
 
 	// PrimaryScalerQueries maps a unique id to a query for the primary
@@ -472,6 +509,41 @@ type CustomMetadata struct {
 	Annotations map[string]string `json:"annotations,omitempty"`
 }
 
+// HTTPRewrite holds information about how to modify a request URI during
+// forwarding.
+type HTTPRewrite struct {
+	// rewrite the path (or the prefix) portion of the URI with this
+	// value. If the original URI was matched based on prefix, the value
+	// provided in this field will replace the corresponding matched prefix.
+	Uri string `json:"uri,omitempty"`
+
+	// rewrite the Authority/Host header with this value.
+	Authority string `json:"authority,omitempty"`
+
+	// Type is the type of path modification to make.
+	// +optional
+	Type string `json:"type,omitempty"`
+}
+
+// GetType returns the type of HTTP path rewrite to be performed.
+func (r *HTTPRewrite) GetType() string {
+	if r.Type == string(v1beta1.PrefixMatchHTTPPathModifier) {
+		return r.Type
+	}
+	return string(v1beta1.FullPathHTTPPathModifier)
+}
+
+// GetIstioRewrite returns a istiov1beta1.HTTPRewrite object.
+func (s *CanaryService) GetIstioRewrite() *istiov1beta1.HTTPRewrite {
+	if s.Rewrite != nil {
+		return &istiov1beta1.HTTPRewrite{
+			Authority: s.Rewrite.Authority,
+			Uri:       s.Rewrite.Uri,
+		}
+	}
+	return nil
+}
+
 // GetMaxAge returns the max age of a cookie in seconds.
 func (s *SessionAffinity) GetMaxAge() int {
 	if s.MaxAge == 0 {

pkg/apis/flagger/v1beta1/metric.go

@@ -36,7 +36,7 @@ type MetricTemplate struct {
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
 	Spec   MetricTemplateSpec   `json:"spec"`
-	Status MetricTemplateStatus `json:"status"`
+	Status MetricTemplateStatus `json:"status,omitempty"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

pkg/apis/flagger/v1beta1/provider.go

@@ -7,6 +7,7 @@ const (
 	IstioProvider      string = "istio"
 	SMIProvider        string = "smi"
 	ContourProvider    string = "contour"
+	KnativeProvider    string = "knative"
 	GlooProvider       string = "gloo"
 	NGINXProvider      string = "nginx"
 	KubernetesProvider string = "kubernetes"

pkg/apis/flagger/v1beta1/zz_generated.deepcopy.go

@@ -23,7 +23,7 @@ package v1beta1
 
 import (
 	gatewayapiv1beta1 "github.com/fluxcd/flagger/pkg/apis/gatewayapi/v1beta1"
-	v1alpha3 "github.com/fluxcd/flagger/pkg/apis/istio/v1alpha3"
+	istiov1beta1 "github.com/fluxcd/flagger/pkg/apis/istio/v1beta1"
 	v1 "k8s.io/api/core/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 )
@@ -263,7 +263,7 @@ func (in *CanaryAnalysis) DeepCopyInto(out *CanaryAnalysis) {
 	}
 	if in.Match != nil {
 		in, out := &in.Match, &out.Match
-		*out = make([]v1alpha3.HTTPMatchRequest, len(*in))
+		*out = make([]istiov1beta1.HTTPMatchRequest, len(*in))
 		for i := range *in {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
@@ -393,34 +393,41 @@ func (in *CanaryService) DeepCopyInto(out *CanaryService) {
 	}
 	if in.TrafficPolicy != nil {
 		in, out := &in.TrafficPolicy, &out.TrafficPolicy
-		*out = new(v1alpha3.TrafficPolicy)
+		*out = new(istiov1beta1.TrafficPolicy)
 		(*in).DeepCopyInto(*out)
 	}
 	if in.Match != nil {
 		in, out := &in.Match, &out.Match
-		*out = make([]v1alpha3.HTTPMatchRequest, len(*in))
+		*out = make([]istiov1beta1.HTTPMatchRequest, len(*in))
 		for i := range *in {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
 	if in.Rewrite != nil {
 		in, out := &in.Rewrite, &out.Rewrite
-		*out = new(v1alpha3.HTTPRewrite)
+		*out = new(HTTPRewrite)
 		**out = **in
 	}
 	if in.Retries != nil {
 		in, out := &in.Retries, &out.Retries
-		*out = new(v1alpha3.HTTPRetry)
+		*out = new(istiov1beta1.HTTPRetry)
 		**out = **in
 	}
 	if in.Headers != nil {
 		in, out := &in.Headers, &out.Headers
-		*out = new(v1alpha3.Headers)
+		*out = new(istiov1beta1.Headers)
 		(*in).DeepCopyInto(*out)
 	}
+	if in.Mirror != nil {
+		in, out := &in.Mirror, &out.Mirror
+		*out = make([]gatewayapiv1beta1.HTTPRequestMirrorFilter, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 	if in.CorsPolicy != nil {
 		in, out := &in.CorsPolicy, &out.CorsPolicy
-		*out = new(v1alpha3.CorsPolicy)
+		*out = new(istiov1beta1.CorsPolicy)
 		(*in).DeepCopyInto(*out)
 	}
 	if in.Backends != nil {
@@ -666,6 +673,22 @@ func (in *CustomMetadata) DeepCopy() *CustomMetadata {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *HTTPRewrite) DeepCopyInto(out *HTTPRewrite) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HTTPRewrite.
+func (in *HTTPRewrite) DeepCopy() *HTTPRewrite {
+	if in == nil {
+		return nil
+	}
+	out := new(HTTPRewrite)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *LocalObjectReference) DeepCopyInto(out *LocalObjectReference) {
 	*out = *in

pkg/apis/gatewayapi/v1/doc.go

@@ -0,0 +1,6 @@
+// Package v1 contains API Schema definitions for the
+// gateway.networking.k8s.io API group.
+
+// +k8s:deepcopy-gen=package
+
+package v1

pkg/apis/gatewayapi/v1/object_reference_types.go

@@ -1,12 +1,9 @@
 /*
 Copyright 2020 The Kubernetes Authors.
-
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
-
     http://www.apache.org/licenses/LICENSE-2.0
-
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -14,7 +11,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package v1alpha2
+package v1
 
 // LocalObjectReference identifies an API object within the namespace of the
 // referrer.
@@ -25,8 +22,8 @@ package v1alpha2
 // be rejected by the implementation, with appropriate Conditions set
 // on the containing object.
 type LocalObjectReference struct {
-	// Group is the group of the referent. For example, "networking.k8s.io".
-	// When unspecified (empty string), core API group is inferred.
+	// Group is the group of the referent. For example, "gateway.networking.k8s.io".
+	// When unspecified or empty string, core API group is inferred.
 	Group Group `json:"group"`
 
 	// Kind is kind of the referent. For example "HTTPRoute" or "Service".
@@ -46,8 +43,8 @@ type LocalObjectReference struct {
 // be rejected by the implementation, with appropriate Conditions set
 // on the containing object.
 type SecretObjectReference struct {
-	// Group is the group of the referent. For example, "networking.k8s.io".
-	// When unspecified (empty string), core API group is inferred.
+	// Group is the group of the referent. For example, "gateway.networking.k8s.io".
+	// When unspecified or empty string, core API group is inferred.
 	//
 	// +optional
 	// +kubebuilder:default=""
@@ -65,9 +62,9 @@ type SecretObjectReference struct {
 	// Namespace is the namespace of the backend. When unspecified, the local
 	// namespace is inferred.
 	//
-	// Note that when a namespace is specified, a ReferencePolicy object
+	// Note that when a namespace is specified, a ReferenceGrant object
 	// is required in the referent namespace to allow that namespace's
-	// owner to accept the reference. See the ReferencePolicy documentation
+	// owner to accept the reference. See the ReferenceGrant documentation
 	// for details.
 	//
 	// Support: Core
@@ -80,9 +77,9 @@ type SecretObjectReference struct {
 // specific to BackendRef. It includes a few additional fields and features
 // than a regular ObjectReference.
 //
-// Note that when a namespace is specified, a ReferencePolicy object
+// Note that when a namespace is specified, a ReferenceGrant object
 // is required in the referent namespace to allow that namespace's
-// owner to accept the reference. See the ReferencePolicy documentation
+// owner to accept the reference. See the ReferenceGrant documentation
 // for details.
 //
 // The API object must be valid in the cluster; the Group and Kind must
@@ -92,14 +89,15 @@ type SecretObjectReference struct {
 // be rejected by the implementation, with appropriate Conditions set
 // on the containing object.
 type BackendObjectReference struct {
-	// Group is the group of the referent. For example, "networking.k8s.io".
-	// When unspecified (empty string), core API group is inferred.
+	// Group is the group of the referent. For example, "gateway.networking.k8s.io".
+	// When unspecified or empty string, core API group is inferred.
 	//
 	// +optional
 	// +kubebuilder:default=""
 	Group *Group `json:"group,omitempty"`
 
 	// Kind is kind of the referent. For example "HTTPRoute" or "Service".
+	// Defaults to "Service" when not specified.
 	//
 	// +optional
 	// +kubebuilder:default=Service
@@ -111,9 +109,9 @@ type BackendObjectReference struct {
 	// Namespace is the namespace of the backend. When unspecified, the local
 	// namespace is inferred.
 	//
-	// Note that when a namespace is specified, a ReferencePolicy object
+	// Note that when a namespace is specified, a ReferenceGrant object
 	// is required in the referent namespace to allow that namespace's
-	// owner to accept the reference. See the ReferencePolicy documentation
+	// owner to accept the reference. See the ReferenceGrant documentation
 	// for details.
 	//
 	// Support: Core
@@ -122,7 +120,8 @@ type BackendObjectReference struct {
 	Namespace *Namespace `json:"namespace,omitempty"`
 
 	// Port specifies the destination port number to use for this resource.
-	// Port is required when the referent is a Kubernetes Service.
+	// Port is required when the referent is a Kubernetes Service. In this
+	// case, the port number is the service port number, not the target port.
 	// For other resources, destination port might be derived from the referent
 	// resource or this field.
 	//

pkg/apis/gatewayapi/v1/register.go

@@ -1,4 +1,4 @@
-package v1alpha2
+package v1
 
 import (
 	"github.com/fluxcd/flagger/pkg/apis/gatewayapi"
@@ -9,7 +9,7 @@ import (
 
 // SchemeGroupVersion is the identifier for the API which includes
 // the name of the group and the version of the API
-var SchemeGroupVersion = schema.GroupVersion{Group: gatewayapi.GroupName, Version: "v1alpha2"}
+var SchemeGroupVersion = schema.GroupVersion{Group: gatewayapi.GroupName, Version: "v1"}
 
 // Resource takes an unqualified resource and returns a Group qualified GroupResource
 func Resource(resource string) schema.GroupResource {

pkg/apis/gatewayapi/v1/shared_types.go

@@ -0,0 +1,738 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// ParentReference identifies an API object (usually a Gateway) that can be considered
+// a parent of this resource (usually a route). There are two kinds of parent resources
+// with "Core" support:
+//
+// * Gateway (Gateway conformance profile)
+// * Service (Mesh conformance profile, experimental, ClusterIP Services only)
+//
+// This API may be extended in the future to support additional kinds of parent
+// resources.
+//
+// The API object must be valid in the cluster; the Group and Kind must
+// be registered in the cluster for this reference to be valid.
+type ParentReference struct {
+	// Group is the group of the referent.
+	// When unspecified, "gateway.networking.k8s.io" is inferred.
+	// To set the core API group (such as for a "Service" kind referent),
+	// Group must be explicitly set to "" (empty string).
+	//
+	// Support: Core
+	//
+	// +kubebuilder:default=gateway.networking.k8s.io
+	// +optional
+	Group *Group `json:"group,omitempty"`
+
+	// Kind is kind of the referent.
+	//
+	// There are two kinds of parent resources with "Core" support:
+	//
+	// * Gateway (Gateway conformance profile)
+	// * Service (Mesh conformance profile, experimental, ClusterIP Services only)
+	//
+	// Support for other resources is Implementation-Specific.
+	//
+	// +kubebuilder:default=Gateway
+	// +optional
+	Kind *Kind `json:"kind,omitempty"`
+
+	// Namespace is the namespace of the referent. When unspecified, this refers
+	// to the local namespace of the Route.
+	//
+	// Note that there are specific rules for ParentRefs which cross namespace
+	// boundaries. Cross-namespace references are only valid if they are explicitly
+	// allowed by something in the namespace they are referring to. For example:
+	// Gateway has the AllowedRoutes field, and ReferenceGrant provides a
+	// generic way to enable any other kind of cross-namespace reference.
+	//
+	// <gateway:experimental:description>
+	// ParentRefs from a Route to a Service in the same namespace are "producer"
+	// routes, which apply default routing rules to inbound connections from
+	// any namespace to the Service.
+	//
+	// ParentRefs from a Route to a Service in a different namespace are
+	// "consumer" routes, and these routing rules are only applied to outbound
+	// connections originating from the same namespace as the Route, for which
+	// the intended destination of the connections are a Service targeted as a
+	// ParentRef of the Route.
+	// </gateway:experimental:description>
+	//
+	// Support: Core
+	//
+	// +optional
+	Namespace *Namespace `json:"namespace,omitempty"`
+
+	// Name is the name of the referent.
+	//
+	// Support: Core
+	Name ObjectName `json:"name"`
+
+	// SectionName is the name of a section within the target resource. In the
+	// following resources, SectionName is interpreted as the following:
+	//
+	// * Gateway: Listener Name. When both Port (experimental) and SectionName
+	// are specified, the name and port of the selected listener must match
+	// both specified values.
+	// * Service: Port Name. When both Port (experimental) and SectionName
+	// are specified, the name and port of the selected listener must match
+	// both specified values. Note that attaching Routes to Services as Parents
+	// is part of experimental Mesh support and is not supported for any other
+	// purpose.
+	//
+	// Implementations MAY choose to support attaching Routes to other resources.
+	// If that is the case, they MUST clearly document how SectionName is
+	// interpreted.
+	//
+	// When unspecified (empty string), this will reference the entire resource.
+	// For the purpose of status, an attachment is considered successful if at
+	// least one section in the parent resource accepts it. For example, Gateway
+	// listeners can restrict which Routes can attach to them by Route kind,
+	// namespace, or hostname. If 1 of 2 Gateway listeners accept attachment from
+	// the referencing Route, the Route MUST be considered successfully
+	// attached. If no Gateway listeners accept attachment from this Route, the
+	// Route MUST be considered detached from the Gateway.
+	//
+	// Support: Core
+	//
+	// +optional
+	SectionName *SectionName `json:"sectionName,omitempty"`
+
+	// Port is the network port this Route targets. It can be interpreted
+	// differently based on the type of parent resource.
+	//
+	// When the parent resource is a Gateway, this targets all listeners
+	// listening on the specified port that also support this kind of Route(and
+	// select this Route). It's not recommended to set `Port` unless the
+	// networking behaviors specified in a Route must apply to a specific port
+	// as opposed to a listener(s) whose port(s) may be changed. When both Port
+	// and SectionName are specified, the name and port of the selected listener
+	// must match both specified values.
+	//
+	// <gateway:experimental:description>
+	// When the parent resource is a Service, this targets a specific port in the
+	// Service spec. When both Port (experimental) and SectionName are specified,
+	// the name and port of the selected port must match both specified values.
+	// </gateway:experimental:description>
+	//
+	// Implementations MAY choose to support other parent resources.
+	// Implementations supporting other types of parent resources MUST clearly
+	// document how/if Port is interpreted.
+	//
+	// For the purpose of status, an attachment is considered successful as
+	// long as the parent resource accepts it partially. For example, Gateway
+	// listeners can restrict which Routes can attach to them by Route kind,
+	// namespace, or hostname. If 1 of 2 Gateway listeners accept attachment
+	// from the referencing Route, the Route MUST be considered successfully
+	// attached. If no Gateway listeners accept attachment from this Route,
+	// the Route MUST be considered detached from the Gateway.
+	//
+	// Support: Extended
+	//
+	// +optional
+	// <gateway:experimental>
+	Port *PortNumber `json:"port,omitempty"`
+}
+
+// CommonRouteSpec defines the common attributes that all Routes MUST include
+// within their spec.
+type CommonRouteSpec struct {
+	// ParentRefs references the resources (usually Gateways) that a Route wants
+	// to be attached to. Note that the referenced parent resource needs to
+	// allow this for the attachment to be complete. For Gateways, that means
+	// the Gateway needs to allow attachment from Routes of this kind and
+	// namespace. For Services, that means the Service must either be in the same
+	// namespace for a "producer" route, or the mesh implementation must support
+	// and allow "consumer" routes for the referenced Service. ReferenceGrant is
+	// not applicable for governing ParentRefs to Services - it is not possible to
+	// create a "producer" route for a Service in a different namespace from the
+	// Route.
+	//
+	// There are two kinds of parent resources with "Core" support:
+	//
+	// * Gateway (Gateway conformance profile)
+	// <gateway:experimental:description>
+	// * Service (Mesh conformance profile, experimental, ClusterIP Services only)
+	// </gateway:experimental:description>
+	// This API may be extended in the future to support additional kinds of parent
+	// resources.
+	//
+	// ParentRefs must be _distinct_. This means either that:
+	//
+	// * They select different objects.  If this is the case, then parentRef
+	//   entries are distinct. In terms of fields, this means that the
+	//   multi-part key defined by `group`, `kind`, `namespace`, and `name` must
+	//   be unique across all parentRef entries in the Route.
+	// * They do not select different objects, but for each optional field used,
+	//   each ParentRef that selects the same object must set the same set of
+	//   optional fields to different values. If one ParentRef sets a
+	//   combination of optional fields, all must set the same combination.
+	//
+	// Some examples:
+	//
+	// * If one ParentRef sets `sectionName`, all ParentRefs referencing the
+	//   same object must also set `sectionName`.
+	// * If one ParentRef sets `port`, all ParentRefs referencing the same
+	//   object must also set `port`.
+	// * If one ParentRef sets `sectionName` and `port`, all ParentRefs
+	//   referencing the same object must also set `sectionName` and `port`.
+	//
+	// It is possible to separately reference multiple distinct objects that may
+	// be collapsed by an implementation. For example, some implementations may
+	// choose to merge compatible Gateway Listeners together. If that is the
+	// case, the list of routes attached to those resources should also be
+	// merged.
+	//
+	// Note that for ParentRefs that cross namespace boundaries, there are specific
+	// rules. Cross-namespace references are only valid if they are explicitly
+	// allowed by something in the namespace they are referring to. For example,
+	// Gateway has the AllowedRoutes field, and ReferenceGrant provides a
+	// generic way to enable other kinds of cross-namespace reference.
+	//
+	// <gateway:experimental:description>
+	// ParentRefs from a Route to a Service in the same namespace are "producer"
+	// routes, which apply default routing rules to inbound connections from
+	// any namespace to the Service.
+	//
+	// ParentRefs from a Route to a Service in a different namespace are
+	// "consumer" routes, and these routing rules are only applied to outbound
+	// connections originating from the same namespace as the Route, for which
+	// the intended destination of the connections are a Service targeted as a
+	// ParentRef of the Route.
+	// </gateway:experimental:description>
+	//
+	// +optional
+	// +kubebuilder:validation:MaxItems=32
+	// <gateway:standard:validation:XValidation:message="sectionName must be specified when parentRefs includes 2 or more references to the same parent",rule="self.all(p1, self.all(p2, p1.group == p2.group && p1.kind == p2.kind && p1.name == p2.name && (((!has(p1.__namespace__) || p1.__namespace__ == '') && (!has(p2.__namespace__) || p2.__namespace__ == '')) || (has(p1.__namespace__) && has(p2.__namespace__) && p1.__namespace__ == p2.__namespace__ )) ? ((!has(p1.sectionName) || p1.sectionName == '') == (!has(p2.sectionName) || p2.sectionName == '')) : true))">
+	// <gateway:standard:validation:XValidation:message="sectionName must be unique when parentRefs includes 2 or more references to the same parent",rule="self.all(p1, self.exists_one(p2, p1.group == p2.group && p1.kind == p2.kind && p1.name == p2.name && (((!has(p1.__namespace__) || p1.__namespace__ == '') && (!has(p2.__namespace__) || p2.__namespace__ == '')) || (has(p1.__namespace__) && has(p2.__namespace__) && p1.__namespace__ == p2.__namespace__ )) && (((!has(p1.sectionName) || p1.sectionName == '') && (!has(p2.sectionName) || p2.sectionName == '')) || (has(p1.sectionName) && has(p2.sectionName) && p1.sectionName == p2.sectionName))))">
+	// <gateway:experimental:validation:XValidation:message="sectionName or port must be specified when parentRefs includes 2 or more references to the same parent",rule="self.all(p1, self.all(p2, p1.group == p2.group && p1.kind == p2.kind && p1.name == p2.name && (((!has(p1.__namespace__) || p1.__namespace__ == '') && (!has(p2.__namespace__) || p2.__namespace__ == '')) || (has(p1.__namespace__) && has(p2.__namespace__) && p1.__namespace__ == p2.__namespace__)) ? ((!has(p1.sectionName) || p1.sectionName == '') == (!has(p2.sectionName) || p2.sectionName == '') && (!has(p1.port) || p1.port == 0) == (!has(p2.port) || p2.port == 0)): true))">
+	// <gateway:experimental:validation:XValidation:message="sectionName or port must be unique when parentRefs includes 2 or more references to the same parent",rule="self.all(p1, self.exists_one(p2, p1.group == p2.group && p1.kind == p2.kind && p1.name == p2.name && (((!has(p1.__namespace__) || p1.__namespace__ == '') && (!has(p2.__namespace__) || p2.__namespace__ == '')) || (has(p1.__namespace__) && has(p2.__namespace__) && p1.__namespace__ == p2.__namespace__ )) && (((!has(p1.sectionName) || p1.sectionName == '') && (!has(p2.sectionName) || p2.sectionName == '')) || ( has(p1.sectionName) && has(p2.sectionName) && p1.sectionName == p2.sectionName)) && (((!has(p1.port) || p1.port == 0) && (!has(p2.port) || p2.port == 0)) || (has(p1.port) && has(p2.port) && p1.port == p2.port))))">
+	ParentRefs []ParentReference `json:"parentRefs,omitempty"`
+}
+
+// PortNumber defines a network port.
+//
+// +kubebuilder:validation:Minimum=1
+// +kubebuilder:validation:Maximum=65535
+type PortNumber int32
+
+// BackendRef defines how a Route should forward a request to a Kubernetes
+// resource.
+//
+// Note that when a namespace different than the local namespace is specified, a
+// ReferenceGrant object is required in the referent namespace to allow that
+// namespace's owner to accept the reference. See the ReferenceGrant
+// documentation for details.
+//
+// <gateway:experimental:description>
+//
+// When the BackendRef points to a Kubernetes Service, implementations SHOULD
+// honor the appProtocol field if it is set for the target Service Port.
+//
+// Implementations supporting appProtocol SHOULD recognize the Kubernetes
+// Standard Application Protocols defined in KEP-3726.
+//
+// If a Service appProtocol isn't specified, an implementation MAY infer the
+// backend protocol through its own means. Implementations MAY infer the
+// protocol from the Route type referring to the backend Service.
+//
+// If a Route is not able to send traffic to the backend using the specified
+// protocol then the backend is considered invalid. Implementations MUST set the
+// "ResolvedRefs" condition to "False" with the "UnsupportedProtocol" reason.
+//
+// </gateway:experimental:description>
+//
+// Note that when the BackendTLSPolicy object is enabled by the implementation,
+// there are some extra rules about validity to consider here. See the fields
+// where this struct is used for more information about the exact behavior.
+type BackendRef struct {
+	// BackendObjectReference references a Kubernetes object.
+	BackendObjectReference `json:",inline"`
+
+	// Weight specifies the proportion of requests forwarded to the referenced
+	// backend. This is computed as weight/(sum of all weights in this
+	// BackendRefs list). For non-zero values, there may be some epsilon from
+	// the exact proportion defined here depending on the precision an
+	// implementation supports. Weight is not a percentage and the sum of
+	// weights does not need to equal 100.
+	//
+	// If only one backend is specified and it has a weight greater than 0, 100%
+	// of the traffic is forwarded to that backend. If weight is set to 0, no
+	// traffic should be forwarded for this entry. If unspecified, weight
+	// defaults to 1.
+	//
+	// Support for this field varies based on the context where used.
+	//
+	// +optional
+	// +kubebuilder:default=1
+	// +kubebuilder:validation:Minimum=0
+	// +kubebuilder:validation:Maximum=1000000
+	Weight *int32 `json:"weight,omitempty"`
+}
+
+// RouteConditionType is a type of condition for a route.
+type RouteConditionType string
+
+// RouteConditionReason is a reason for a route condition.
+type RouteConditionReason string
+
+const (
+	// This condition indicates whether the route has been accepted or rejected
+	// by a Gateway, and why.
+	//
+	// Possible reasons for this condition to be True are:
+	//
+	// * "Accepted"
+	//
+	// Possible reasons for this condition to be False are:
+	//
+	// * "NotAllowedByListeners"
+	// * "NoMatchingListenerHostname"
+	// * "NoMatchingParent"
+	// * "UnsupportedValue"
+	//
+	// Possible reasons for this condition to be Unknown are:
+	//
+	// * "Pending"
+	//
+	// Controllers may raise this condition with other reasons,
+	// but should prefer to use the reasons listed above to improve
+	// interoperability.
+	RouteConditionAccepted RouteConditionType = "Accepted"
+
+	// This reason is used with the "Accepted" condition when the Route has been
+	// accepted by the Gateway.
+	RouteReasonAccepted RouteConditionReason = "Accepted"
+
+	// This reason is used with the "Accepted" condition when the route has not
+	// been accepted by a Gateway because the Gateway has no Listener whose
+	// allowedRoutes criteria permit the route
+	RouteReasonNotAllowedByListeners RouteConditionReason = "NotAllowedByListeners"
+
+	// This reason is used with the "Accepted" condition when the Gateway has no
+	// compatible Listeners whose Hostname matches the route
+	RouteReasonNoMatchingListenerHostname RouteConditionReason = "NoMatchingListenerHostname"
+
+	// This reason is used with the "Accepted" condition when there are
+	// no matching Parents. In the case of Gateways, this can occur when
+	// a Route ParentRef specifies a Port and/or SectionName that does not
+	// match any Listeners in the Gateway.
+	RouteReasonNoMatchingParent RouteConditionReason = "NoMatchingParent"
+
+	// This reason is used with the "Accepted" condition when a value for an Enum
+	// is not recognized.
+	RouteReasonUnsupportedValue RouteConditionReason = "UnsupportedValue"
+
+	// This reason is used with the "Accepted" when a controller has not yet
+	// reconciled the route.
+	RouteReasonPending RouteConditionReason = "Pending"
+
+	// This reason is used with the "Accepted" condition when there
+	// are incompatible filters present on a route rule (for example if
+	// the URLRewrite and RequestRedirect are both present on an HTTPRoute).
+	RouteReasonIncompatibleFilters RouteConditionReason = "IncompatibleFilters"
+)
+
+const (
+	// This condition indicates whether the controller was able to resolve all
+	// the object references for the Route.
+	//
+	// Possible reasons for this condition to be True are:
+	//
+	// * "ResolvedRefs"
+	//
+	// Possible reasons for this condition to be False are:
+	//
+	// * "RefNotPermitted"
+	// * "InvalidKind"
+	// * "BackendNotFound"
+	// * "UnsupportedProtocol"
+	//
+	// Controllers may raise this condition with other reasons,
+	// but should prefer to use the reasons listed above to improve
+	// interoperability.
+	RouteConditionResolvedRefs RouteConditionType = "ResolvedRefs"
+
+	// This reason is used with the "ResolvedRefs" condition when the condition
+	// is true.
+	RouteReasonResolvedRefs RouteConditionReason = "ResolvedRefs"
+
+	// This reason is used with the "ResolvedRefs" condition when
+	// one of the Listener's Routes has a BackendRef to an object in
+	// another namespace, where the object in the other namespace does
+	// not have a ReferenceGrant explicitly allowing the reference.
+	RouteReasonRefNotPermitted RouteConditionReason = "RefNotPermitted"
+
+	// This reason is used with the "ResolvedRefs" condition when
+	// one of the Route's rules has a reference to an unknown or unsupported
+	// Group and/or Kind.
+	RouteReasonInvalidKind RouteConditionReason = "InvalidKind"
+
+	// This reason is used with the "ResolvedRefs" condition when one of the
+	// Route's rules has a reference to a resource that does not exist.
+	RouteReasonBackendNotFound RouteConditionReason = "BackendNotFound"
+
+	// This reason is used with the "ResolvedRefs" condition when one of the
+	// Route's rules has a reference to a resource with an app protocol that
+	// is not supported by this implementation.
+	RouteReasonUnsupportedProtocol RouteConditionReason = "UnsupportedProtocol"
+)
+
+const (
+	// This condition indicates that the Route contains a combination of both
+	// valid and invalid rules.
+	//
+	// When this happens, implementations MUST take one of the following
+	// approaches:
+	//
+	// 1) Drop Rule(s): With this approach, implementations will drop the
+	//    invalid Route Rule(s) until they are fully valid again. The message
+	//    for this condition MUST start with the prefix "Dropped Rule" and
+	//    include information about which Rules have been dropped. In this
+	//    state, the "Accepted" condition MUST be set to "True" with the latest
+	//    generation of the resource.
+	// 2) Fall Back: With this approach, implementations will fall back to the
+	//    last known good state of the entire Route. The message for this
+	//    condition MUST start with the prefix "Fall Back" and include
+	//    information about why the current Rule(s) are invalid. To represent
+	//    this, the "Accepted" condition MUST be set to "True" with the
+	//    generation of the last known good state of the resource.
+	//
+	// Reverting to the last known good state should only be done by
+	// implementations that have a means of restoring that state if/when they
+	// are restarted.
+	//
+	// This condition MUST NOT be set if a Route is fully valid, fully invalid,
+	// or not accepted. By extension, that means that this condition MUST only
+	// be set when it is "True".
+	//
+	// Possible reasons for this condition to be True are:
+	//
+	// * "UnsupportedValue"
+	//
+	// Controllers may raise this condition with other reasons, but should
+	// prefer to use the reasons listed above to improve interoperability.
+	RouteConditionPartiallyInvalid RouteConditionType = "PartiallyInvalid"
+)
+
+// RouteParentStatus describes the status of a route with respect to an
+// associated Parent.
+type RouteParentStatus struct {
+	// ParentRef corresponds with a ParentRef in the spec that this
+	// RouteParentStatus struct describes the status of.
+	ParentRef ParentReference `json:"parentRef"`
+
+	// ControllerName is a domain/path string that indicates the name of the
+	// controller that wrote this status. This corresponds with the
+	// controllerName field on GatewayClass.
+	//
+	// Example: "example.net/gateway-controller".
+	//
+	// The format of this field is DOMAIN "/" PATH, where DOMAIN and PATH are
+	// valid Kubernetes names
+	// (https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names).
+	//
+	// Controllers MUST populate this field when writing status. Controllers should ensure that
+	// entries to status populated with their ControllerName are cleaned up when they are no
+	// longer necessary.
+	ControllerName GatewayController `json:"controllerName"`
+
+	// Conditions describes the status of the route with respect to the Gateway.
+	// Note that the route's availability is also subject to the Gateway's own
+	// status conditions and listener status.
+	//
+	// If the Route's ParentRef specifies an existing Gateway that supports
+	// Routes of this kind AND that Gateway's controller has sufficient access,
+	// then that Gateway's controller MUST set the "Accepted" condition on the
+	// Route, to indicate whether the route has been accepted or rejected by the
+	// Gateway, and why.
+	//
+	// A Route MUST be considered "Accepted" if at least one of the Route's
+	// rules is implemented by the Gateway.
+	//
+	// There are a number of cases where the "Accepted" condition may not be set
+	// due to lack of controller visibility, that includes when:
+	//
+	// * The Route refers to a non-existent parent.
+	// * The Route is of a type that the controller does not support.
+	// * The Route is in a namespace the controller does not have access to.
+	//
+	// +listType=map
+	// +listMapKey=type
+	// +kubebuilder:validation:MinItems=1
+	// +kubebuilder:validation:MaxItems=8
+	Conditions []metav1.Condition `json:"conditions,omitempty"`
+}
+
+// RouteStatus defines the common attributes that all Routes MUST include within
+// their status.
+type RouteStatus struct {
+	// Parents is a list of parent resources (usually Gateways) that are
+	// associated with the route, and the status of the route with respect to
+	// each parent. When this route attaches to a parent, the controller that
+	// manages the parent must add an entry to this list when the controller
+	// first sees the route and should update the entry as appropriate when the
+	// route or gateway is modified.
+	//
+	// Note that parent references that cannot be resolved by an implementation
+	// of this API will not be added to this list. Implementations of this API
+	// can only populate Route status for the Gateways/parent resources they are
+	// responsible for.
+	//
+	// A maximum of 32 Gateways will be represented in this list. An empty list
+	// means the route has not been attached to any Gateway.
+	//
+	// +kubebuilder:validation:MaxItems=32
+	Parents []RouteParentStatus `json:"parents"`
+}
+
+// Hostname is the fully qualified domain name of a network host. This matches
+// the RFC 1123 definition of a hostname with 2 notable exceptions:
+//
+//  1. IPs are not allowed.
+//  2. A hostname may be prefixed with a wildcard label (`*.`). The wildcard
+//     label must appear by itself as the first label.
+//
+// Hostname can be "precise" which is a domain name without the terminating
+// dot of a network host (e.g. "foo.example.com") or "wildcard", which is a
+// domain name prefixed with a single wildcard label (e.g. `*.example.com`).
+//
+// Note that as per RFC1035 and RFC1123, a *label* must consist of lower case
+// alphanumeric characters or '-', and must start and end with an alphanumeric
+// character. No other punctuation is allowed.
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^(\*\.)?[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$`
+type Hostname string
+
+// PreciseHostname is the fully qualified domain name of a network host. This
+// matches the RFC 1123 definition of a hostname with 1 notable exception that
+// numeric IP addresses are not allowed.
+//
+// Note that as per RFC1035 and RFC1123, a *label* must consist of lower case
+// alphanumeric characters or '-', and must start and end with an alphanumeric
+// character. No other punctuation is allowed.
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$`
+type PreciseHostname string
+
+// Group refers to a Kubernetes Group. It must either be an empty string or a
+// RFC 1123 subdomain.
+//
+// This validation is based off of the corresponding Kubernetes validation:
+// https://github.com/kubernetes/apimachinery/blob/02cfb53916346d085a6c6c7c66f882e3c6b0eca6/pkg/util/validation/validation.go#L208
+//
+// Valid values include:
+//
+// * "" - empty string implies core Kubernetes API group
+// * "gateway.networking.k8s.io"
+// * "foo.example.com"
+//
+// Invalid values include:
+//
+// * "example.com/bar" - "/" is an invalid character
+//
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^$|^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$`
+type Group string
+
+// Kind refers to a Kubernetes Kind.
+//
+// Valid values include:
+//
+// * "Service"
+// * "HTTPRoute"
+//
+// Invalid values include:
+//
+// * "invalid/kind" - "/" is an invalid character
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=63
+// +kubebuilder:validation:Pattern=`^[a-zA-Z]([-a-zA-Z0-9]*[a-zA-Z0-9])?$`
+type Kind string
+
+// ObjectName refers to the name of a Kubernetes object.
+// Object names can have a variety of forms, including RFC1123 subdomains,
+// RFC 1123 labels, or RFC 1035 labels.
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+type ObjectName string
+
+// Namespace refers to a Kubernetes namespace. It must be a RFC 1123 label.
+//
+// This validation is based off of the corresponding Kubernetes validation:
+// https://github.com/kubernetes/apimachinery/blob/02cfb53916346d085a6c6c7c66f882e3c6b0eca6/pkg/util/validation/validation.go#L187
+//
+// This is used for Namespace name validation here:
+// https://github.com/kubernetes/apimachinery/blob/02cfb53916346d085a6c6c7c66f882e3c6b0eca6/pkg/api/validation/generic.go#L63
+//
+// Valid values include:
+//
+// * "example"
+//
+// Invalid values include:
+//
+// * "example.com" - "." is an invalid character
+//
+// +kubebuilder:validation:Pattern=`^[a-z0-9]([-a-z0-9]*[a-z0-9])?$`
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=63
+type Namespace string
+
+// SectionName is the name of a section in a Kubernetes resource.
+//
+// This validation is based off of the corresponding Kubernetes validation:
+// https://github.com/kubernetes/apimachinery/blob/02cfb53916346d085a6c6c7c66f882e3c6b0eca6/pkg/util/validation/validation.go#L208
+//
+// Valid values include:
+//
+// * "example.com"
+// * "foo.example.com"
+//
+// Invalid values include:
+//
+// * "example.com/bar" - "/" is an invalid character
+//
+// +kubebuilder:validation:Pattern=`^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$`
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+type SectionName string
+
+// GatewayController is the name of a Gateway API controller. It must be a
+// domain prefixed path.
+//
+// Valid values include:
+//
+// * "example.com/bar"
+//
+// Invalid values include:
+//
+// * "example.com" - must include path
+// * "foo.example.com" - must include path
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*\/[A-Za-z0-9\/\-._~%!$&'()*+,;=:]+$`
+type GatewayController string
+
+// AnnotationKey is the key of an annotation in Gateway API. This is used for
+// validation of maps such as TLS options. This matches the Kubernetes
+// "qualified name" validation that is used for annotations and other common
+// values.
+//
+// Valid values include:
+//
+// * example
+// * example.com
+// * example.com/path
+// * example.com/path.html
+//
+// Invalid values include:
+//
+// * example~ - "~" is an invalid character
+// * example.com. - can not start or end with "."
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]/?)*$`
+type AnnotationKey string
+
+// AnnotationValue is the value of an annotation in Gateway API. This is used
+// for validation of maps such as TLS options. This roughly matches Kubernetes
+// annotation validation, although the length validation in that case is based
+// on the entire size of the annotations struct.
+//
+// +kubebuilder:validation:MinLength=0
+// +kubebuilder:validation:MaxLength=4096
+type AnnotationValue string
+
+// AddressType defines how a network address is represented as a text string.
+// This may take two possible forms:
+//
+// * A predefined CamelCase string identifier (currently limited to `IPAddress` or `Hostname`)
+// * A domain-prefixed string identifier (like `acme.io/CustomAddressType`)
+//
+// Values `IPAddress` and `Hostname` have Extended support.
+//
+// The `NamedAddress` value has been deprecated in favor of implementation
+// specific domain-prefixed strings.
+//
+// All other values, including domain-prefixed values have Implementation-specific support,
+// which are used in implementation-specific behaviors. Support for additional
+// predefined CamelCase identifiers may be added in future releases.
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=253
+// +kubebuilder:validation:Pattern=`^Hostname|IPAddress|NamedAddress|[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*\/[A-Za-z0-9\/\-._~%!$&'()*+,;=:]+$`
+type AddressType string
+
+// HeaderName is the name of a header or query parameter.
+//
+// +kubebuilder:validation:MinLength=1
+// +kubebuilder:validation:MaxLength=256
+// +kubebuilder:validation:Pattern=`^[A-Za-z0-9!#$%&'*+\-.^_\x60|~]+$`
+// +k8s:deepcopy-gen=false
+type HeaderName string
+
+// Duration is a string value representing a duration in time. The format is as specified
+// in GEP-2257, a strict subset of the syntax parsed by Golang time.ParseDuration.
+//
+// +kubebuilder:validation:Pattern=`^([0-9]{1,5}(h|m|s|ms)){1,4}$`
+type Duration string
+
+const (
+	// A textual representation of a numeric IP address. IPv4
+	// addresses must be in dotted-decimal form. IPv6 addresses
+	// must be in a standard IPv6 text representation
+	// (see [RFC 5952](https://tools.ietf.org/html/rfc5952)).
+	//
+	// This type is intended for specific addresses. Address ranges are not
+	// supported (e.g. you can not use a CIDR range like 127.0.0.0/24 as an
+	// IPAddress).
+	//
+	// Support: Extended
+	IPAddressType AddressType = "IPAddress"
+
+	// A Hostname represents a DNS based ingress point. This is similar to the
+	// corresponding hostname field in Kubernetes load balancer status. For
+	// example, this concept may be used for cloud load balancers where a DNS
+	// name is used to expose a load balancer.
+	//
+	// Support: Extended
+	HostnameAddressType AddressType = "Hostname"
+
+	// A NamedAddress provides a way to reference a specific IP address by name.
+	// For example, this may be a name or other unique identifier that refers
+	// to a resource on a cloud provider such as a static IP.
+	//
+	// The `NamedAddress` type has been deprecated in favor of implementation
+	// specific domain-prefixed strings.
+	//
+	// Support: Implementation-specific
+	NamedAddressType AddressType = "NamedAddress"
+)