Merge pull request #1608 from fluxcd/release-v1.36.1

Release v1.36.1

.gitbook.yaml

@@ -16,3 +16,4 @@ redirects:
   usage/osm-progressive-delivery: tutorials/osm-progressive-delivery.md
   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

.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

@@ -14,21 +14,18 @@ permissions:
 
 jobs:
   build-flagger:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
-      - name: Restore Go cache
-        uses: actions/cache@v3.0.11
-        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@v3
+        uses: actions/setup-go@v5
         with:
-          go-version: 1.19.x
+          go-version: 1.21.x
+          cache-dependency-path: |
+            **/go.sum
+            **/go.mod
       - name: Download modules
         run: |
           go mod download
@@ -47,7 +44,7 @@ jobs:
             exit 1
           fi
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: ./coverage.txt
       - name: Build container image

.github/workflows/e2e.yaml

@@ -14,7 +14,8 @@ permissions:
 
 jobs:
   e2e-test:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
     strategy:
       fail-fast: false
       matrix:
@@ -22,7 +23,6 @@ jobs:
           # service mesh
           - istio
           - linkerd
-          - osm
           - kuma
           # ingress controllers
           - contour
@@ -33,14 +33,24 @@ jobs:
           - kubernetes
           - gatewayapi
           - keda
+          - apisix
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Kubernetes
-        uses: engineerd/setup-kind@v0.5.0
+        uses: helm/kind-action@v1.9.0
+        if: matrix.provider != 'skipper'
         with:
-          version: "v0.14.0"
-          image: kindest/node:v1.23.6@sha256:b1fa224cc6c7ff32455e0b1fd9cbfd3d3bc87ecaa8fcb06961ed1afb3db0f9ae
+          version: v0.20.0
+          cluster_name: kind
+          node_image: kindest/node:v1.27.3@sha256:9dd3392d79af1b084671b05bcf65b21de476256ad1dcc853d9f3b10b4ac52dde
+      - name: Setup Kubernetes for skipper
+        uses: helm/kind-action@v1.9.0
+        if: matrix.provider == 'skipper'
+        with:
+          version: v0.20.0
+          cluster_name: kind
+          node_image: kindest/node:v1.24.12@sha256:0bdca26bd7fe65c823640b14253ea7bac4baad9336b332c94850f84d8102f873
       - name: Build container image
         run: |
           docker build -t test/flagger:latest .

.github/workflows/helm.yaml

@@ -12,9 +12,9 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish Helm charts
-        uses: stefanprodan/helm-gh-pages@v1.6.0
+        uses: stefanprodan/helm-gh-pages@v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           charts_url: https://flagger.app

.github/workflows/push-ld.yml

@@ -10,40 +10,42 @@ 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@v3.4.0
       - name: Prepare
         id: prep
         run: |
           VERSION=$(grep 'VERSION' cmd/loadtester/main.go | head -1 | awk '{ print $4 }' | tr -d '"')
-          echo ::set-output name=BUILD_DATE::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-          echo ::set-output name=VERSION::${VERSION}
+          echo "BUILD_DATE=$(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@v3
+        id: build-push
+        uses: docker/build-push-action@v5
         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

@@ -3,6 +3,12 @@ on:
   push:
     tags:
       - 'v*'
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'image tag prefix'
+        default: 'rc'
+        required: true
 
 permissions:
   contents: read
@@ -12,45 +18,55 @@ env:
 
 jobs:
   release-flagger:
-    runs-on: ubuntu-latest
+    outputs:
+      hashes: ${{ steps.slsa.outputs.hashes }}
+    runs-on:
+      group: "Default Larger Runners"
     permissions:
       contents: write # needed to write releases
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: fluxcd/flux2/action@main
-      - uses: sigstore/cosign-installer@v2.8.1
+      - uses: sigstore/cosign-installer@v3.4.0
       - name: Prepare
         id: prep
         run: |
-          VERSION=$(grep 'VERSION' pkg/version/version.go | awk '{ print $4 }' | tr -d '"')
+          if [[ ${GITHUB_EVENT_NAME} = "workflow_dispatch" ]]; then
+            VERSION="${{ github.event.inputs.tag }}-${GITHUB_SHA::8}"
+          else
+            VERSION=$(grep 'VERSION' pkg/version/version.go | awk '{ print $4 }' | tr -d '"')
+          fi
           CHANGELOG="https://github.com/fluxcd/flagger/blob/main/CHANGELOG.md#$(echo $VERSION | tr -d '.')"
           echo "[CHANGELOG](${CHANGELOG})" > notes.md
-          echo ::set-output name=BUILD_DATE::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-          echo ::set-output name=VERSION::${VERSION}
+          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@v3
+        id: build-push
+        uses: docker/build-push-action@v5
         with:
+          sbom: true
+          provenance: true
           push: true
           builder: ${{ steps.buildx.outputs.name }}
           context: .
@@ -64,38 +80,70 @@ 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
-        uses: stefanprodan/helm-gh-pages@v1.6.0
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: stefanprodan/helm-gh-pages@v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           charts_url: https://flagger.app
           linting: off
       - uses: fluxcd/pkg/actions/helm@main
         with:
-          version: 3.10.1
+          version: 3.12.3
       - name: Publish signed Helm chart to GHCR
+        if: startsWith(github.ref, 'refs/tags/v')
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
           helm package charts/flagger
-          helm push flagger-${{ 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
-        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@v3
+        id: run-goreleaser
+        uses: goreleaser/goreleaser-action@v5
+        if: startsWith(github.ref, 'refs/tags/v')
         with:
           version: latest
           args: release --release-notes=notes.md --rm-dist --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" >> $GITHUB_OUTPUT
+
+  release-provenance:
+    needs: [release-flagger]
+    if: startsWith(github.ref, 'refs/tags/v')
+    permissions:
+      actions: read # for detecting the Github Actions environment.
+      id-token: write # for creating OIDC tokens for signing.
+      contents: write # for uploading attestations to GitHub releases.
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.9.0
+    with:
+      provenance-name: "provenance.intoto.jsonl"
+      base64-subjects: "${{ needs.release-flagger.outputs.hashes }}"
+      upload-assets: true

.github/workflows/scan.yml

@@ -17,25 +17,26 @@ 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@v1
+        uses: fossa-contrib/fossa-action@v3
         with:
           # FOSSA Push-Only API Token
           fossa-api-key: 5ee8bf422db1471e0bcf2bcb289185de
           github-token: ${{ github.token }}
   scan-codeql:
-    runs-on: ubuntu-latest
+    runs-on:
+      group: "Default Larger Runners"
     permissions:
       security-events: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - 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 +2,428 @@
 
 All notable changes to this project are documented in this file.
 
+## 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
+
+⚠️  __Breaking Changes__
+
+This release adds support for Linkerd 2.12 and later. Due to changes in Linkerd
+the default namespace for Flagger's installation had to be changed from
+`linkerd` to `flagger-system` and the `flagger` Deployment is now injected with
+the Linkerd proxy. Furthermore, installing Flagger for Linkerd will result in
+the creation of an `AuthorizationPolicy` that allows access to the Prometheus
+instance in the `linkerd-viz` namespace. To upgrade your Flagger installation,
+please see the below migration guide.
+
+If you use Kustomize, then follow these steps:
+* `kubectl delete -n linkerd deploy/flagger`
+* `kubectl delete -n linkerd serviceaccount flagger`
+* If you're on Linkerd >= 2.12, you'll need to install the SMI extension to enable
+  support for `TrafficSplit`s:
+  ```bash
+  curl -sL https://linkerd.github.io/linkerd-smi/install | sh
+  linkerd smi install | kubectl apply -f -
+  ```
+* `kubectl apply -k github.com/fluxcd/flagger//kustomize/linkerd`
+
+  Note: If you're on Linkerd < 2.12, this will report an error about missing CRDs.
+  It is safe to ignore this error.
+
+If you use Helm and are on Linkerd < 2.12, then you can use `helm upgrade` to do
+a regular upgrade.
+
+If you use Helm and are on Linkerd >= 2.12, then follow these steps:
+* `helm uninstall flagger -n linkerd`
+* Install the Linkerd SMI extension:
+  ```bash
+  helm repo add l5d-smi https://linkerd.github.io/linkerd-smi
+  helm install linkerd-smi l5d-smi/linkerd-smi -n linkerd-smi --create-namespace
+  ```
+* Install Flagger in the `flagger-system` namespace
+  and create an `AuthorizationPolicy`:
+  ```bash
+  helm repo update flagger
+  helm install flagger flagger/flagger \
+  --namespace flagger-system \
+  --set meshProvider=linkerd \
+  --set metricsServer=http://prometheus.linkerd-viz:9090 \
+  --set linkerdAuthPolicy.create=true
+  ```
+
+Furthermore, a bug which led the `confirm-rollout` webhook to be executed at
+every step of the Canary instead of only being executed before the canary
+Deployment is scaled up, has been fixed.
+
+#### Improvements
+
+- Add support for Linkerd 2.13
+  [#1417](https://github.com/fluxcd/flagger/pull/1417)
+
+#### Fixes
+
+- Fix the loadtester install with flux documentation
+  [#1384](https://github.com/fluxcd/flagger/pull/1384)
+- Run `confirm-rollout` checks only before scaling up deployment
+  [#1414](https://github.com/fluxcd/flagger/pull/1414)
+- e2e: Remove OSM tests
+  [#1423](https://github.com/fluxcd/flagger/pull/1423)
+
+## 1.30.0
+
+**Release date:** 2023-04-12
+
+This release fixes a bug related to the lack of updates to the generated
+object's metadata according to the metadata specified in `spec.service.apex`.
+Furthermore, a bug where labels were wrongfully copied over from the canary
+deployment to primary deployment when no value was provided for
+`--include-label-prefix` has been fixed.
+This release also makes Flagger compatible with Flux's helm-controller drift
+detection.
+
+#### Improvements
+
+- build(deps): bump actions/cache from 3.2.5 to 3.3.1
+  [#1385](https://github.com/fluxcd/flagger/pull/1385)
+- helm: Added the option to supply additional volumes
+  [#1393](https://github.com/fluxcd/flagger/pull/1393)
+- build(deps): bump actions/setup-go from 3 to 4
+  [#1394](https://github.com/fluxcd/flagger/pull/1394)
+- update Kuma version and docs
+  [#1402](https://github.com/fluxcd/flagger/pull/1402)
+- ci: bump k8s to 1.24 and kind to 1.18 
+  [#1406](https://github.com/fluxcd/flagger/pull/1406)
+- Helm: Allow configuring deployment `annotations`
+  [#1411](https://github.com/fluxcd/flagger/pull/1411)
+- update dependencies
+  [#1412](https://github.com/fluxcd/flagger/pull/1412)
+
+#### Fixes
+
+- Enable updates for labels and annotations
+  [#1392](https://github.com/fluxcd/flagger/pull/1392)
+- Update flagger-install-with-flux.md
+  [#1398](https://github.com/fluxcd/flagger/pull/1398)
+- avoid copying canary labels to primary on promotion
+  [#1405](https://github.com/fluxcd/flagger/pull/1405)
+- Disable Flux helm drift detection for managed resources
+  [#1408](https://github.com/fluxcd/flagger/pull/1408)
+
+## 1.29.0
+
+**Release date:** 2023-02-21
+
+This release comes with support for template variables for analysis metrics.
+A canary analysis metric can reference a set of custom variables with
+`.spec.analysis.metrics[].templateVariables`. For more info see the [docs](https://fluxcd.io/flagger/usage/metrics/#custom-metrics).
+Furthemore, a bug related to Canary releases with session affinity has been
+fixed.
+
+#### Improvements
+
+- update dependencies
+  [#1374](https://github.com/fluxcd/flagger/pull/1374)
+- build(deps): bump golang.org/x/net from 0.4.0 to 0.7.0
+  [#1373](https://github.com/fluxcd/flagger/pull/1373)
+- build(deps): bump fossa-contrib/fossa-action from 1 to 2
+  [#1372](https://github.com/fluxcd/flagger/pull/1372)
+- Allow custom affinities for flagger deployment in helm chart
+  [#1371](https://github.com/fluxcd/flagger/pull/1371)
+- Add namespace to namespaced resources in helm chart
+  [#1370](https://github.com/fluxcd/flagger/pull/1370)
+- build(deps): bump actions/cache from 3.2.4 to 3.2.5
+  [#1366](https://github.com/fluxcd/flagger/pull/1366)
+- build(deps): bump actions/cache from 3.2.3 to 3.2.4
+  [#1362](https://github.com/fluxcd/flagger/pull/1362)
+- build(deps): bump docker/build-push-action from 3 to 4
+  [#1361](https://github.com/fluxcd/flagger/pull/1361)
+- modify release workflow to publish rc images
+  [#1359](https://github.com/fluxcd/flagger/pull/1359)
+- build: Enable SBOM and SLSA Provenance
+  [#1356](https://github.com/fluxcd/flagger/pull/1356)
+- Add support for custom variables in metric templates
+  [#1355](https://github.com/fluxcd/flagger/pull/1355)
+- docs(readme.md): add additional tutorial
+  [#1346](https://github.com/fluxcd/flagger/pull/1346)
+
+#### Fixes
+
+- use regex to match against headers in istio
+  [#1364](https://github.com/fluxcd/flagger/pull/1364)
+
+## 1.28.0
+
+**Release date:** 2023-01-26
+
+This release comes with support for setting a different autoscaling
+configuration for the primary workload.
+The `.spec.autoscalerRef.primaryScalerReplicas` is useful in the
+situation where the user does not want to scale the canary workload
+to the exact same size as the primary, especially when opting for a
+canary deployment pattern where only a small portion of traffic is
+routed to the canary workload pods.
+
+#### Improvements
+
+- Support for overriding primary scaler replicas
+  [#1343](https://github.com/fluxcd/flagger/pull/1343)
+- Allow access to Prometheus in OpenShift via SA token
+  [#1338](https://github.com/fluxcd/flagger/pull/1338)
+- Update Kubernetes packages to v1.26.1
+  [#1352](https://github.com/fluxcd/flagger/pull/1352)
+
+## 1.27.0
+
+**Release date:** 2022-12-15
+
+This release comes with support for Apachae APISIX. For more details see the
+[tutorial](https://fluxcd.io/flagger/tutorials/apisix-progressive-delivery).
+
+#### Improvements
+
+- [apisix] Implement router interface and observer interface
+  [#1281](https://github.com/fluxcd/flagger/pull/1281)
+- Bump stefanprodan/helm-gh-pages from 1.6.0 to 1.7.0
+  [#1326](https://github.com/fluxcd/flagger/pull/1326)
+- Release loadtester v0.28.0
+  [#1328](https://github.com/fluxcd/flagger/pull/1328)
+
+#### Fixes
+
+- Update release docs
+  [#1324](https://github.com/fluxcd/flagger/pull/1324)
+
+## 1.26.0
+
+**Release date:** 2022-11-23
+
+This release comes with support Kubernetes [Gateway API](https://gateway-api.sigs.k8s.io/) v1beta1.
+For more details see the [Gateway API Progressive Delivery tutorial](https://docs.flagger.app/tutorials/gatewayapi-progressive-delivery).
+
+Please note that starting with this version, the Gateway API v1alpha2 is considered deprecated
+and will be removed from Flagger after 6 months.
+
+#### Improvements:
+
+- Updated Gateway API from v1alpha2 to v1beta1
+  [#1319](https://github.com/fluxcd/flagger/pull/1319)
+- Updated Gateway API docs to v1beta1
+  [#1321](https://github.com/fluxcd/flagger/pull/1321)
+- Update dependencies
+  [#1322](https://github.com/fluxcd/flagger/pull/1322)
+
+#### Fixes:
+
+- docs: Add `linkerd install --crds` to Linkerd tutorial
+  [#1316](https://github.com/fluxcd/flagger/pull/1316)
+
 ## 1.25.0
 
 **Release date:** 2022-11-16

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine as builder
+FROM golang:1.21-alpine as builder
 
 ARG TARGETPLATFORM
 ARG REVISON
@@ -21,7 +21,7 @@ RUN CGO_ENABLED=0 go build \
     -ldflags "-s -w -X github.com/fluxcd/flagger/pkg/version.REVISION=${REVISON}" \
     -a -o flagger ./cmd/flagger
 
-FROM alpine:3.16
+FROM alpine:3.19
 
 RUN apk --no-cache add ca-certificates
 

Dockerfile.loadtester

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine as builder
+FROM golang:1.21-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=3.9.4 && \
+RUN HELM3_VERSION=3.12.0 && \
 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=v1.28.0 &&  \
+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=v0.4.19 && \
 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=0.117.0 && \
 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
@@ -41,7 +45,7 @@ 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
 
@@ -51,6 +55,7 @@ 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

@@ -6,7 +6,7 @@ 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=1.21
 
 vet:
 	go vet ./...
@@ -29,6 +29,11 @@ test-codegen:
 test: test-fmt test-codegen
 	go test ./...
 
+test-coverage: test-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

@@ -5,6 +5,7 @@
 [![report](https://goreportcard.com/badge/github.com/fluxcd/flagger)](https://goreportcard.com/report/github.com/fluxcd/flagger)
 [![FOSSA Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Ffluxcd%2Fflagger.svg?type=shield)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Ffluxcd%2Fflagger?ref=badge_shield)
 [![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/flagger)](https://artifacthub.io/packages/search?repo=flagger)
+[![CLOMonitor](https://img.shields.io/endpoint?url=https://clomonitor.io/api/projects/cncf/flagger/badge)](https://clomonitor.io/projects/cncf/flagger)
 
 Flagger is a progressive delivery tool that automates the release process for applications running on Kubernetes. 
 It reduces the risk of introducing a new software version in production
@@ -20,36 +21,37 @@ and part of the [Flux](https://fluxcd.io) family of GitOps tools.
 
 ### Documentation
 
-Flagger documentation can be found at [docs.flagger.app](https://docs.flagger.app).
+Flagger documentation can be found at [fluxcd.io/flagger](https://fluxcd.io/flagger/).
 
 * Install
-  * [Flagger install on Kubernetes](https://docs.flagger.app/install/flagger-install-on-kubernetes)
+  * [Flagger install on Kubernetes](https://fluxcd.io/flagger/install/flagger-install-on-kubernetes)
 * Usage
-  * [How it works](https://docs.flagger.app/usage/how-it-works)
-  * [Deployment strategies](https://docs.flagger.app/usage/deployment-strategies)
-  * [Metrics analysis](https://docs.flagger.app/usage/metrics)
-  * [Webhooks](https://docs.flagger.app/usage/webhooks)
-  * [Alerting](https://docs.flagger.app/usage/alerting)
-  * [Monitoring](https://docs.flagger.app/usage/monitoring)
+  * [How it works](https://fluxcd.io/flagger/usage/how-it-works)
+  * [Deployment strategies](https://fluxcd.io/flagger/usage/deployment-strategies)
+  * [Metrics analysis](https://fluxcd.io/flagger/usage/metrics)
+  * [Webhooks](https://fluxcd.io/flagger/usage/webhooks)
+  * [Alerting](https://fluxcd.io/flagger/usage/alerting)
+  * [Monitoring](https://fluxcd.io/flagger/usage/monitoring)
 * Tutorials
-  * [App Mesh](https://docs.flagger.app/tutorials/appmesh-progressive-delivery)
-  * [Istio](https://docs.flagger.app/tutorials/istio-progressive-delivery)
-  * [Linkerd](https://docs.flagger.app/tutorials/linkerd-progressive-delivery)
-  * [Open Service Mesh (OSM)](https://docs.flagger.app/tutorials/osm-progressive-delivery)
-  * [Kuma Service Mesh](https://docs.flagger.app/tutorials/kuma-progressive-delivery)
-  * [Contour](https://docs.flagger.app/tutorials/contour-progressive-delivery)
-  * [Gloo](https://docs.flagger.app/tutorials/gloo-progressive-delivery)
-  * [NGINX Ingress](https://docs.flagger.app/tutorials/nginx-progressive-delivery)
-  * [Skipper](https://docs.flagger.app/tutorials/skipper-progressive-delivery)
-  * [Traefik](https://docs.flagger.app/tutorials/traefik-progressive-delivery)
-  * [Kubernetes Blue/Green](https://docs.flagger.app/tutorials/kubernetes-blue-green)
+  * [App Mesh](https://fluxcd.io/flagger/tutorials/appmesh-progressive-delivery)
+  * [Istio](https://fluxcd.io/flagger/tutorials/istio-progressive-delivery)
+  * [Linkerd](https://fluxcd.io/flagger/tutorials/linkerd-progressive-delivery)
+  * [Open Service Mesh (OSM)](https://dfluxcd.io/flagger/tutorials/osm-progressive-delivery)
+  * [Kuma Service Mesh](https://fluxcd.io/flagger/tutorials/kuma-progressive-delivery)
+  * [Contour](https://fluxcd.io/flagger/tutorials/contour-progressive-delivery)
+  * [Gloo](https://fluxcd.io/flagger/tutorials/gloo-progressive-delivery)
+  * [NGINX Ingress](https://fluxcd.io/flagger/tutorials/nginx-progressive-delivery)
+  * [Skipper](https://fluxcd.io/flagger/tutorials/skipper-progressive-delivery)
+  * [Traefik](https://fluxcd.io/flagger/tutorials/traefik-progressive-delivery)
+  * [Gateway API](https://fluxcd.io/flagger/tutorials/gatewayapi-progressive-delivery/)
+  * [Kubernetes Blue/Green](https://fluxcd.io/flagger/tutorials/kubernetes-blue-green)
 
 ### Adopters
 
 **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
 
@@ -83,7 +85,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -176,7 +178,7 @@ spec:
           name: on-call-msteams
 ```
 
-For more details on how the canary analysis and promotion works please [read the docs](https://docs.flagger.app/usage/how-it-works).
+For more details on how the canary analysis and promotion works please [read the docs](https://fluxcd.io/flagger/usage/how-it-works).
 
 ### Features
 
@@ -196,16 +198,16 @@ For more details on how the canary analysis and promotion works please [read the
 
 **Ingress**
 
-| Feature                                   | Contour            | Gloo               | NGINX              | Skipper            | Traefik            |
-|-------------------------------------------|--------------------|--------------------|--------------------|--------------------|--------------------|
-| Canary deployments (weighted traffic)     | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| A/B testing (headers and cookies routing) | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :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: |
-| Webhooks (acceptance/load testing)        | :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: |
-| Request success rate check (L7 metric)    | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: | :heavy_check_mark: |
-| Request duration check (L7 metric)        | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: | :heavy_check_mark: |
-| Custom metric checks                      | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Feature                                   | Contour            | Gloo               | NGINX              | Skipper            | Traefik            | Apache APISIX      |
+|-------------------------------------------|--------------------|--------------------|--------------------|--------------------|--------------------|--------------------|
+| Canary deployments (weighted traffic)     | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| A/B testing (headers and cookies routing) | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :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: |
+| 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_minus_sign: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Request duration check (L7 metric)        | :heavy_check_mark: | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Custom metric checks                      | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
 
 **Networking Interface**
 

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/account.yaml

@@ -239,6 +239,18 @@ rules:
       - update
       - patch
       - delete
+  - apiGroups:
+      - apisix.apache.org
+    resources:
+      - apisixroutes
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
   - nonResourceURLs:
       - /version
     verbs:

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
@@ -121,6 +125,13 @@ spec:
                       type: object
                       additionalProperties:
                         type: string
+                    primaryScalerReplicas:
+                      type: object
+                      properties:
+                        minReplicas:
+                          type: number
+                        maxReplicas:
+                          type: number
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -134,6 +145,19 @@ spec:
                         - Ingress
                     name:
                       type: string
+                routeRef:
+                  description: APISIX route selector
+                  type: object
+                  required: [ "apiVersion", "kind", "name" ]
+                  properties:
+                    apiVersion:
+                      type: string
+                    kind:
+                      type: string
+                      enum:
+                        - ApisixRoute
+                    name:
+                      type: string
                 upstreamRef:
                   description: Gloo Upstream selector
                   type: object
@@ -458,6 +482,54 @@ 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
@@ -537,6 +609,11 @@ 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
@@ -727,6 +804,10 @@ 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.
@@ -830,6 +911,9 @@ 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
@@ -903,6 +987,34 @@ 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
@@ -950,6 +1062,11 @@ spec:
                               namespace:
                                 description: Namespace of this metric template
                                 type: string
+                          templateVariables:
+                            description: Additional variables to be used in the metrics query (key-value pairs)
+                            type: object
+                            additionalProperties:
+                              type: string
                     alerts:
                       description: Alert list for this canary analysis
                       type: array
@@ -1015,6 +1132,9 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object

artifacts/flagger/deployment.yaml

@@ -22,7 +22,7 @@ spec:
       serviceAccountName: flagger
       containers:
       - name: flagger
-        image: ghcr.io/fluxcd/flagger:1.25.0
+        image: ghcr.io/fluxcd/flagger:1.36.1
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

charts/flagger/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: flagger
-version: 1.25.0
-appVersion: 1.25.0
+version: 1.36.1
+appVersion: 1.36.1
 kubeVersion: ">=1.19.0-0"
 engine: gotpl
 description: Flagger is a progressive delivery operator for Kubernetes

charts/flagger/README.md

@@ -40,10 +40,13 @@ $ helm upgrade -i flagger flagger/flagger \
 To install Flagger for **Linkerd** (requires Linkerd Viz extension):
 
 ```console
+# Note that linkerdAuthPolicy.create=true is only required for Linkerd 2.12 and
+# later
 $ helm upgrade -i flagger flagger/flagger \
-    --namespace=linkerd \
+    --namespace=flagger-system \
     --set meshProvider=linkerd \
-    --set metricsServer=http://prometheus.linkerd-viz:9090
+    --set metricsServer=http://prometheus.linkerd-viz:9090 \
+    --set linkerdAuthPolicy.create=true
 ```
 
 To install Flagger for **AWS App Mesh**:
@@ -137,6 +140,10 @@ 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                                  |
@@ -164,7 +171,7 @@ The following tables lists the configurable parameters of the Flagger chart and
 | `resources.requests/memory`          | Pod memory request                                                                                                                                 | `32Mi`                                |
 | `resources.limits/cpu`               | Pod CPU limit                                                                                                                                      | `1000m`                               |
 | `resources.limits/memory`            | Pod memory limit                                                                                                                                   | `512Mi`                               |
-| `affinity`                           | Node/pod affinities                                                                                                                                | None                                  |
+| `affinity`                           | Node/pod affinities                                                                                                                                | prefer spread across hosts            |
 | `nodeSelector`                       | Node labels for pod assignment                                                                                                                     | `{}`                                  |
 | `threadiness`                        | Number of controller workers                                                                                                                       | `2`                                   |
 | `tolerations`                        | List of node taints to tolerate                                                                                                                    | `[]`                                  |
@@ -177,7 +184,7 @@ 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                                                        | `""`                                  |
 
 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
@@ -121,6 +125,13 @@ spec:
                       type: object
                       additionalProperties:
                         type: string
+                    primaryScalerReplicas:
+                      type: object
+                      properties:
+                        minReplicas:
+                          type: number
+                        maxReplicas:
+                          type: number
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -134,6 +145,19 @@ spec:
                         - Ingress
                     name:
                       type: string
+                routeRef:
+                  description: APISIX route selector
+                  type: object
+                  required: [ "apiVersion", "kind", "name" ]
+                  properties:
+                    apiVersion:
+                      type: string
+                    kind:
+                      type: string
+                      enum:
+                        - ApisixRoute
+                    name:
+                      type: string
                 upstreamRef:
                   description: Gloo Upstream selector
                   type: object
@@ -458,6 +482,54 @@ 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
@@ -537,6 +609,11 @@ 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
@@ -727,6 +804,10 @@ 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.
@@ -830,6 +911,9 @@ 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
@@ -903,6 +987,34 @@ 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
@@ -950,6 +1062,11 @@ spec:
                               namespace:
                                 description: Namespace of this metric template
                                 type: string
+                          templateVariables:
+                            description: Additional variables to be used in the metrics query (key-value pairs)
+                            type: object
+                            additionalProperties:
+                              type: string
                     alerts:
                       description: Alert list for this canary analysis
                       type: array
@@ -1015,6 +1132,9 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object

charts/flagger/templates/account.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{ template "flagger.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
   annotations:
   {{- if .Values.serviceAccount.annotations }}
 {{ toYaml .Values.serviceAccount.annotations | indent 4 }}

charts/flagger/templates/authorizationpolicy.yaml

@@ -0,0 +1,16 @@
+{{- if .Values.linkerdAuthPolicy.create }}
+apiVersion: policy.linkerd.io/v1alpha1
+kind: AuthorizationPolicy
+metadata:
+  namespace: {{ .Values.linkerdAuthPolicy.namespace }}
+  name: prometheus-admin-flagger
+spec:
+  targetRef:
+    group: policy.linkerd.io
+    kind: Server
+    name: prometheus-admin
+  requiredAuthenticationRefs:
+    - kind: ServiceAccount
+      name: {{ template "flagger.serviceAccountName" . }}
+      namespace: {{ .Release.Namespace }}
+{{- end }}

charts/flagger/templates/deployment.yaml

@@ -2,12 +2,17 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "flagger.fullname" . }}
+  namespace: {{ .Release.Namespace }}
   labels:
     helm.sh/chart: {{ template "flagger.chart" . }}
     app.kubernetes.io/name: {{ template "flagger.name" . }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/version: {{ .Chart.AppVersion }}
+  {{- with .Values.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 spec:
   replicas: {{ .Values.leaderElection.replicaCount }}
   {{- if eq .Values.leaderElection.enabled false }}
@@ -35,16 +40,10 @@ spec:
         {{- end }}
     spec:
       serviceAccountName: {{ template "flagger.serviceAccountName" . }}
+      {{- if .Values.affinity }}
       affinity:
-        podAntiAffinity:
-          preferredDuringSchedulingIgnoredDuringExecution:
-            - weight: 100
-              podAffinityTerm:
-                labelSelector:
-                  matchLabels:
-                    app.kubernetes.io/name: {{ template "flagger.name" . }}
-                    app.kubernetes.io/instance: {{ .Release.Name }}
-                topologyKey: kubernetes.io/hostname
+        {{- tpl (toYaml .Values.affinity) . | nindent 8 }}
+      {{- end }}
       {{- if .Values.image.pullSecret }}
       imagePullSecrets:
         - name: {{ .Values.image.pullSecret }}
@@ -55,6 +54,9 @@ spec:
           secret:
             secretName: "{{ .Values.controlplane.kubeconfig.secretName }}"
         {{- end }}
+        {{- if .Values.additionalVolumes }}
+          {{- toYaml .Values.additionalVolumes | nindent 8 -}}
+        {{- end }}
       {{- if .Values.podPriorityClassName }}
       priorityClassName: {{ .Values.podPriorityClassName }}
       {{- end }}                  

charts/flagger/templates/pdb.yaml

@@ -1,8 +1,13 @@
 {{- 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" . }}
+  namespace: {{ .Release.Namespace }}
 spec:
   minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
   selector:

charts/flagger/templates/psp.yaml

@@ -50,6 +50,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   name: {{ template "flagger.fullname" . }}-psp
+  namespace: {{ .Release.Namespace }}
   labels:
     helm.sh/chart: {{ template "flagger.chart" . }}
     app.kubernetes.io/name: {{ template "flagger.name" . }}

charts/flagger/templates/rbac.yaml

@@ -247,6 +247,18 @@ rules:
       - update
       - patch
       - delete
+  - apiGroups:
+      - apisix.apache.org
+    resources:
+      - apisixroutes
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
   - nonResourceURLs:
       - /version
     verbs:

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

@@ -1,8 +1,11 @@
 # Default values for flagger.
 
+## Deployment annotations
+# annotations: {}
+
 image:
   repository: ghcr.io/fluxcd/flagger
-  tag: 1.25.0
+  tag: 1.36.1
   pullPolicy: IfNotPresent
   pullSecret:
 
@@ -13,13 +16,23 @@ podAnnotations:
   prometheus.io/scrape: "true"
   prometheus.io/port: "8080"
   appmesh.k8s.aws/sidecarInjectorWebhook: disabled
+  linkerd.io/inject: enabled
 
 # priority class name for pod priority configuration
 podPriorityClassName: ""
 
 metricsServer: "http://prometheus:9090"
 
-# accepted values are kubernetes, istio, linkerd, appmesh, contour, nginx, gloo, skipper, traefik, osm
+# 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: ""
 
 # single namespace restriction
@@ -120,6 +133,13 @@ crd:
   # crd.create: `true` if custom resource definitions should be created
   create: false
 
+linkerdAuthPolicy:
+  # linkerdAuthPolicy.create: Whether to create an AuthorizationPolicy in
+  # linkerd viz' namespace to allow flagger to reach viz' prometheus service
+  create: false
+  # linkerdAuthPolicy.namespace: linkerd-viz' namespace
+  namespace: linkerd-viz
+
 nameOverride: ""
 fullnameOverride: ""
 
@@ -135,10 +155,21 @@ nodeSelector: {}
 
 tolerations: []
 
+affinity:
+  podAntiAffinity:
+    preferredDuringSchedulingIgnoredDuringExecution:
+      - weight: 100
+        podAffinityTerm:
+          labelSelector:
+            matchLabels:
+              app.kubernetes.io/name: '{{ template "flagger.name" . }}'
+              app.kubernetes.io/instance: '{{ .Release.Name }}'
+          topologyKey: kubernetes.io/hostname
+
 prometheus:
   # to be used with ingress controllers
   install: false
-  image: docker.io/prom/prometheus:v2.39.1
+  image: docker.io/prom/prometheus:v2.41.0
   pullSecret:
   retention: 2h
   # when enabled, it will add a security context for the prometheus pod
@@ -166,3 +197,8 @@ podDisruptionBudget:
 podLabels: {}
 
 noCrossNamespaceRefs: false
+
+#Placeholder to supply additional volumes to the flagger pod
+additionalVolumes: {}
+  # - name: tmpfs
+  #   emptyDir: {}

charts/loadtester/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 name: loadtester
-version: 0.26.0
-appVersion: 0.26.0
+version: 0.31.0
+appVersion: 0.31.0
 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/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/values.yaml

@@ -2,7 +2,7 @@ replicaCount: 1
 
 image:
   repository: ghcr.io/fluxcd/flagger-loadtester
-  tag: 0.26.0
+  tag: 0.31.0
   pullPolicy: IfNotPresent
   pullSecret:
 

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" . }}

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

@@ -110,7 +110,7 @@ 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, osm or kuma.")
+	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(&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.")

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 = "0.26.0"
+var VERSION = "0.31.0"
 var (
 	logLevel          string
 	port              string

docs/gitbook/README.md

@@ -11,7 +11,7 @@ and running conformance tests.
 
 Flagger implements several deployment strategies (Canary releases, A/B testing, Blue/Green mirroring)
 using a service mesh (App Mesh, Istio, Linkerd, Kuma, Open Service Mesh)
-or an ingress controller (Contour, Gloo, NGINX, Skipper, Traefik) for traffic routing.
+or an ingress controller (Contour, Gloo, NGINX, Skipper, Traefik, APISIX) for traffic routing.
 For release analysis, Flagger can query Prometheus, InfluxDB, Datadog, New Relic, CloudWatch, Stackdriver
 or Graphite and for alerting it uses Slack, MS Teams, Discord and Rocket.
 
@@ -37,6 +37,7 @@ After installing Flagger, you can follow one of these tutorials to get started:
 * [Istio](tutorials/istio-progressive-delivery.md)
 * [Linkerd](tutorials/linkerd-progressive-delivery.md)
 * [AWS App Mesh](tutorials/appmesh-progressive-delivery.md)
+* [AWS App Mesh: Canary Deployment Using Flagger](https://www.eksworkshop.com/advanced/340_appmesh_flagger/)
 * [Open Service Mesh](tutorials/osm-progressive-delivery.md)
 * [Kuma](tutorials/kuma-progressive-delivery.md)
 
@@ -47,9 +48,13 @@ After installing Flagger, you can follow one of these tutorials to get started:
 * [NGINX Ingress](tutorials/nginx-progressive-delivery.md)
 * [Skipper Ingress](tutorials/skipper-progressive-delivery.md)
 * [Traefik](tutorials/traefik-progressive-delivery.md)
+* [Apache APISIX](tutorials/apisix-progressive-delivery.md)
 
 **Hands-on GitOps workshops**
 
 * [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

@@ -31,6 +31,7 @@
 * [NGINX Canary Deployments](tutorials/nginx-progressive-delivery.md)
 * [Skipper Canary Deployments](tutorials/skipper-progressive-delivery.md)
 * [Traefik Canary Deployments](tutorials/traefik-progressive-delivery.md)
+* [Apache APISIX Canary Deployments](tutorials/apisix-progressive-delivery.md)
 * [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)

docs/gitbook/dev/release-guide.md

@@ -4,13 +4,28 @@ This document describes how to release Flagger.
 
 ## Release
 
+### Flagger 
+
 To release a new Flagger version (e.g. `2.0.0`) follow these steps:
 
-* create a branch `git checkout -b prep-2.0.0`
+* create a branch `git checkout -b release-2.0.0`
 * set the version in code and manifests `TAG=2.0.0 make version-set`
 * commit changes and merge PR
-* checkout master `git checkout main && git pull`
-* tag master `make release`
+* checkout main `git checkout main && git pull`
+* tag main `make release`
+
+### Flagger load tester
+
+To release a new Flagger load tester version (e.g. `2.0.0`) follow these steps:
+
+* create a branch `git checkout -b release-ld-2.0.0`
+* set the version in code (`cmd/loadtester/main.go#VERSION`)
+* set the version in the Helm chart (`charts/loadtester/Chart.yaml` and `values.yaml`)
+* set the version in manifests (`kustomize/tester/deployment.yaml`)
+* commit changes and push the branch upstream
+* in GitHub UI, navigate to Actions and run the `push-ld` workflow selecting the release branch
+* after the workflow finishes, open the PR which will run the e2e tests using the new tester version
+* merge the PR if the tests pass
 
 ## CI
 
@@ -18,7 +33,9 @@ After the tag has been pushed to GitHub, the CI release pipeline does the follow
 
 * creates a GitHub release
 * pushes the Flagger binary and change log to GitHub release
-* pushes the Flagger container image to Docker Hub
+* pushes the Flagger container image to GitHub Container Registry
+* pushed the Flagger install manifests to GitHub Container Registry
+* signs all OCI artifacts and release assets with Cosign and GitHub OIDC
 * pushes the Helm chart to github-pages branch
 * GitHub pages publishes the new chart version on the Helm repository
 
@@ -32,3 +49,6 @@ After a Flagger release, publish the docs with:
 * `git checkout docs`
 * `git rebase main`
 * `git push origin docs`
+
+Lastly open a PR with all the docs changes on [fluxcd/website](https://github.com/fluxcd/website) to 
+update [fluxcd.io/flagger](https://fluxcd.io/flagger/).

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:
@@ -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
@@ -784,7 +784,7 @@ metadata:
   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

@@ -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

@@ -90,6 +90,7 @@ For ingress controllers, the install instructions are:
 * [NGINX](https://docs.flagger.app/tutorials/nginx-progressive-delivery)
 * [Skipper](https://docs.flagger.app/tutorials/skipper-progressive-delivery)
 * [Traefik](https://docs.flagger.app/tutorials/traefik-progressive-delivery)
+* [APISIX](https://docs.flagger.app/tutorials/apisix-progressive-delivery)
 
 You can use the helm template command and apply the generated yaml with kubectl:
 
@@ -199,7 +200,7 @@ kustomize build https://github.com/fluxcd/flagger/kustomize/linkerd?ref=v1.0.0 |
 
 **Generic installer**
 
-Install Flagger and Prometheus for Contour, Gloo, NGINX, Skipper, or Traefik ingress:
+Install Flagger and Prometheus for Contour, Gloo, NGINX, Skipper, APISIX or Traefik ingress:
 
 ```bash
 kustomize build https://github.com/fluxcd/flagger/kustomize/kubernetes?ref=main | kubectl apply -f -
@@ -220,7 +221,7 @@ metadata:
   name: app
   namespace: test
 spec:
-  # can be: kubernetes, istio, linkerd, appmesh, nginx, skipper, gloo, traefik, osm
+  # can be: kubernetes, istio, linkerd, appmesh, nginx, skipper, gloo, traefik, osm, apisix
   # use the kubernetes provider for Blue/Green style deployments
   provider: nginx
 ```

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
@@ -139,7 +139,7 @@ spec:
   sourceRef:
     kind: OCIRepository
     name: flagger-loadtester
-  path: ./kustomize/tester
+  path: ./tester
   targetNamespace: apps
 ```
 

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

@@ -0,0 +1,351 @@
+# Apache APISIX Canary Deployments
+
+This guide shows you how to use the [Apache APISIX](https://apisix.apache.org/) and Flagger to automate canary deployments.
+
+![Flagger Apache APISIX Overview](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-apisix-overview.png)
+
+## Prerequisites
+
+Flagger requires a Kubernetes cluster **v1.19** or newer and Apache APISIX **v2.15** or newer and Apache APISIX Ingress Controller **v1.5.0** or newer.
+
+Install Apache APISIX and Apache APISIX Ingress Controller with Helm v3:
+
+```bash
+helm repo add apisix https://charts.apiseven.com
+kubectl create ns apisix
+
+helm upgrade -i apisix apisix/apisix --version=0.11.3 \
+--namespace apisix \
+--set apisix.podAnnotations."prometheus\.io/scrape"=true \
+--set apisix.podAnnotations."prometheus\.io/port"=9091 \
+--set apisix.podAnnotations."prometheus\.io/path"=/apisix/prometheus/metrics \
+--set pluginAttrs.prometheus.export_addr.ip=0.0.0.0 \
+--set pluginAttrs.prometheus.export_addr.port=9091 \
+--set pluginAttrs.prometheus.export_uri=/apisix/prometheus/metrics \
+--set pluginAttrs.prometheus.metric_prefix=apisix_ \
+--set ingress-controller.enabled=true \
+--set ingress-controller.config.apisix.serviceNamespace=apisix
+```
+
+Install Flagger and the Prometheus add-on in the same namespace as Apache APISIX:
+
+```bash
+helm repo add flagger https://flagger.app
+
+helm upgrade -i flagger flagger/flagger \
+--namespace apisix \
+--set prometheus.install=true \
+--set meshProvider=apisix
+```
+
+## Bootstrap
+
+Flagger takes a Kubernetes deployment and optionally a horizontal pod autoscaler \(HPA\), then creates a series of objects \(Kubernetes deployments, ClusterIP services and an ApisixRoute\). These objects expose the application outside the cluster and drive the canary analysis and promotion.
+
+Create a test namespace:
+
+```bash
+kubectl create ns test
+```
+
+Create a deployment and a horizontal pod autoscaler:
+
+```bash
+kubectl apply -k https://github.com/fluxcd/flagger//kustomize/podinfo?ref=main
+```
+
+Deploy the load testing service to generate traffic during the canary analysis:
+
+```bash
+helm upgrade -i flagger-loadtester flagger/loadtester \
+--namespace=test
+```
+
+Create an Apache APISIX `ApisixRoute`, Flagger will reference and generate the canary Apache APISIX `ApisixRoute` \(replace `app.example.com` with your own domain\):
+
+```yaml
+apiVersion: apisix.apache.org/v2
+kind: ApisixRoute
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  http:
+    - backends:
+        - serviceName: podinfo
+          servicePort: 80
+      match:
+        hosts:
+          - app.example.com
+        methods:
+          - GET
+        paths:
+          - /*
+      name: method
+      plugins:
+        - name: prometheus
+          enable: true
+          config:
+            disable: false
+            prefer_name: true
+```
+
+Save the above resource as podinfo-apisixroute.yaml and then apply it:
+
+```bash
+kubectl apply -f ./podinfo-apisixroute.yaml
+```
+
+Create a canary custom resource \(replace `app.example.com` with your own domain\):
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  provider: apisix
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  # apisix route reference
+  routeRef:
+    apiVersion: apisix.apache.org/v2
+    kind: ApisixRoute
+    name: podinfo
+  # the maximum time in seconds for the canary deployment
+  # to make progress before it is rollback (default 600s)
+  progressDeadlineSeconds: 60
+  service:
+    # ClusterIP port number
+    port: 80
+    # container port number or name
+    targetPort: 9898
+  analysis:
+    # schedule interval (default 60s)
+    interval: 10s
+    # max number of failed metric checks before rollback
+    threshold: 10
+    # max traffic percentage routed to canary
+    # percentage (0-100)
+    maxWeight: 50
+    # canary increment step
+    # percentage (0-100)
+    stepWeight: 10
+    # APISIX Prometheus checks
+    metrics:
+      - name: request-success-rate
+        # minimum req success rate (non 5xx responses)
+        # percentage (0-100)
+        thresholdRange:
+          min: 99
+        interval: 1m
+      - name: request-duration
+        # builtin Prometheus check
+        # maximum req duration P99
+        # milliseconds
+        thresholdRange:
+          max: 500
+        interval: 30s
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        type: rollout
+        metadata:
+          cmd: |-
+            hey -z 1m -q 10 -c 2 -h2 -host app.example.com http://apisix-gateway.apisix/api/info
+```
+
+Save the above resource as podinfo-canary.yaml and then apply it:
+
+```bash
+kubectl apply -f ./podinfo-canary.yaml
+```
+
+After a couple of seconds Flagger will create the canary objects:
+
+```bash
+# applied 
+deployment.apps/podinfo
+horizontalpodautoscaler.autoscaling/podinfo
+apisixroute/podinfo
+canary.flagger.app/podinfo
+
+# generated 
+deployment.apps/podinfo-primary
+horizontalpodautoscaler.autoscaling/podinfo-primary
+service/podinfo
+service/podinfo-canary
+service/podinfo-primary
+apisixroute/podinfo-podinfo-canary
+```
+
+## Automated canary promotion
+
+Flagger implements a control loop that gradually shifts traffic to the canary while measuring key performance indicators like HTTP requests success rate, requests average duration and pod health. Based on analysis of the KPIs a canary is promoted or aborted, and the analysis result is published to Slack or MS Teams.
+
+![Flagger Canary Stages](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-canary-steps.png)
+
+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
+  Conditions:
+    Message:               Canary analysis completed successfully, promotion finished.
+    Reason:                Succeeded
+    Status:                True
+    Type:                  Promoted
+  Failed Checks:           1
+  Iterations:              0
+  Phase:                   Succeeded
+
+Events:
+  Type     Reason  Age                    From     Message
+  ----     ------  ----                   ----     -------
+  Warning  Synced  2m59s                  flagger  podinfo-primary.test not ready: waiting for rollout to finish: observed deployment generation less than desired generation
+  Warning  Synced  2m50s                  flagger  podinfo-primary.test not ready: waiting for rollout to finish: 0 of 1 (readyThreshold 100%) updated replicas are available
+  Normal   Synced  2m40s (x3 over 2m59s)  flagger  all the metrics providers are available!
+  Normal   Synced  2m39s                  flagger  Initialization done! podinfo.test
+  Normal   Synced  2m20s                  flagger  New revision detected! Scaling up podinfo.test
+  Warning  Synced  2m (x2 over 2m10s)     flagger  canary deployment podinfo.test not ready: waiting for rollout to finish: 0 of 1 (readyThreshold 100%) updated replicas are available
+  Normal   Synced  110s                   flagger  Starting canary analysis for podinfo.test
+  Normal   Synced  109s                   flagger  Advance podinfo.test canary weight 10
+  Warning  Synced  100s                   flagger  Halt advancement no values found for apisix metric request-success-rate probably podinfo.test is not receiving traffic: running query failed: no values found
+  Normal   Synced  90s                    flagger  Advance podinfo.test canary weight 20
+  Normal   Synced  80s                    flagger  Advance podinfo.test canary weight 30
+  Normal   Synced  69s                    flagger  Advance podinfo.test canary weight 40
+  Normal   Synced  59s                    flagger  Advance podinfo.test canary weight 50
+  Warning  Synced  30s (x2 over 40s)      flagger  podinfo-primary.test not ready: waiting for rollout to finish: 1 old replicas are pending termination
+  Normal   Synced  9s (x3 over 50s)       flagger  (combined from similar events): Promotion completed! Scaling down podinfo.test
+```
+
+**Note** that if you apply new changes to the deployment during the canary analysis, Flagger will restart the analysis.
+
+You can monitor all canaries with:
+
+```bash
+watch kubectl get canaries --all-namespaces
+
+NAMESPACE   NAME      STATUS      WEIGHT   LASTTRANSITIONTIME
+test        podinfo-2   Progressing   10       2022-11-23T05:00:54Z
+test        podinfo     Succeeded     0        2022-11-23T06:00:54Z
+```
+
+## Automated rollback
+
+During the canary analysis you can generate HTTP 500 errors to test if Flagger pauses and rolls back the faulted version.
+
+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 deploy/flagger-loadtester bash
+```
+
+Generate HTTP 500 errors:
+
+```bash
+hey -z 1m -c 5 -q 5 -host app.example.com http://apisix-gateway.apisix/status/500
+```
+
+Generate latency:
+
+```bash
+watch -n 1 curl -H \"host: app.example.com\" http://apisix-gateway.apisix/delay/1
+```
+
+When the number of failed checks reaches the canary analysis threshold, the traffic is routed back to the primary, the canary is scaled to zero and the rollout is marked as failed.
+
+```text
+kubectl -n apisix logs deploy/flagger -f | jq .msg
+
+"New revision detected! Scaling up podinfo.test"
+"canary deployment podinfo.test not ready: waiting for rollout to finish: 0 of 1 (readyThreshold 100%) updated replicas are available"
+"Starting canary analysis for podinfo.test"
+"Advance podinfo.test canary weight 10"
+"Halt podinfo.test advancement success rate 0.00% < 99%"
+"Halt podinfo.test advancement success rate 26.76% < 99%"
+"Halt podinfo.test advancement success rate 34.19% < 99%"
+"Halt podinfo.test advancement success rate 37.32% < 99%"
+"Halt podinfo.test advancement success rate 39.04% < 99%"
+"Halt podinfo.test advancement success rate 40.13% < 99%"
+"Halt podinfo.test advancement success rate 48.28% < 99%"
+"Halt podinfo.test advancement success rate 50.35% < 99%"
+"Halt podinfo.test advancement success rate 56.92% < 99%"
+"Halt podinfo.test advancement success rate 67.70% < 99%"
+"Rolling back podinfo.test failed checks threshold reached 10"
+"Canary failed! Scaling down podinfo.test"
+```
+
+## Custom metrics
+
+The canary analysis can be extended with Prometheus queries.
+
+Create a metric template and apply it on the cluster:
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: not-found-percentage
+  namespace: test
+spec:
+  provider:
+    type: prometheus
+    address: http://flagger-prometheus.apisix:9090
+  query: |
+    sum(
+      rate(
+        apisix_http_status{
+          route=~"{{ namespace }}_{{ route }}-{{ target }}-canary_.+",
+          code!~"4.."
+        }[{{ interval }}]
+      )
+    )
+    /
+    sum(
+      rate(
+        apisix_http_status{
+          route=~"{{ namespace }}_{{ route }}-{{ target }}-canary_.+"
+        }[{{ interval }}]
+      )
+    ) * 100
+```
+
+Edit the canary analysis and add the not found error rate check:
+
+```yaml
+  analysis:
+    metrics:
+      - name: "404s percentage"
+        templateRef:
+          name: not-found-percentage
+        thresholdRange:
+          max: 5
+        interval: 1m
+```
+
+The above configuration validates the canary by checking if the HTTP 404 req/sec percentage is below 5 percent of the total traffic. If the 404s rate reaches the 5% threshold, then the canary fails.
+
+
+The above procedures can be extended with more [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/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

@@ -6,24 +6,64 @@ This guide shows you how to use [Gateway API](https://gateway-api.sigs.k8s.io/)
 
 ## Prerequisites
 
-Flagger requires a Kubernetes cluster **v1.16** or newer and any mesh/ingress that implements the `v1alpha2` 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.
 
-Install the GatewayAPI CRDs:
+Install the Gateway API CRDs
 
 ```bash
-kubectl apply -k github.com/kubernetes-sigs/gateway-api/config/crd?ref=v0.4.1
+kubectl apply -k "github.com/kubernetes-sigs/gateway-api/config/crd?ref=v1.0.0"
 ```
 
-Install a cluster-wide GatewayClass; a Gateway belonging to the GatewayClass and Contour components in the `projectcontour` namespace:
+Install Istio:
 
 ```bash
-kubectl apply -f https://raw.githubusercontent.com/projectcontour/contour/release-1.20/examples/render/contour-gateway.yaml
+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
+```
+
+> 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`.
+
+Create a namespace for the `Gateway`:
+
+```bash
+kubectl create ns istio-ingress
+```
+
+Create a `Gateway` that configures load balancing, traffic ACL, etc:
+
+```yaml
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: Gateway
+metadata:
+  name: gateway
+  namespace: istio-ingress
+spec:
+  gatewayClassName: istio
+  listeners:
+  - name: default
+    hostname: "*.example.com"
+    port: 80
+    protocol: HTTP
+    allowedRoutes:
+      namespaces:
+        from: All
 ```
 
 ## Bootstrap
@@ -59,13 +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)
@@ -79,21 +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 }}]
       )
     )
@@ -106,7 +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
@@ -125,7 +171,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -135,11 +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
@@ -182,7 +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:
@@ -212,26 +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
 
@@ -351,13 +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
@@ -376,7 +425,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -386,11 +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
@@ -433,7 +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.
@@ -454,7 +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
@@ -480,5 +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

@@ -99,6 +99,11 @@ spec:
     # ScaledObject targeting the primary deployment. (Optional)
     primaryScalerQueries:
       prom-trigger: sum(rate(http_requests_total{ app="podinfo-primary" }[30s]))
+    # Overriding replica scaling configuration for the generated ScaledObject
+    # targeting the primary deployment. (Optional)
+    primaryScalerReplicas:
+      minReplicas: 2
+      maxReplicas: 5
   # the maximum time in seconds for the canary deployment
   # to make progress before rollback (default 600s)
   progressDeadlineSeconds: 60
@@ -167,6 +172,9 @@ If, the generated query does not meet your requirements, you can specify the que
 `.spec.autoscalerRef.primaryScalerQueries`, which lets you define a query for each trigger. Please note that, your ScaledObject's `.spec.triggers[@].name` must
 not be blank, as Flagger needs that to identify each trigger uniquely.
 
+In the situation when it is desired to have different scaling replica configuration between the canary and primary deployment ScaledObject you can use
+the `.spec.autoscalerRef.primaryScalerReplicas` to override these values for the generated primary ScaledObject.
+
 After the boostrap, the podinfo deployment will be scaled to zero and the traffic to `podinfo.test` will be routed to the primary pods. To keep the podinfo deployment
 at 0 replicas and pause auto scaling, Flagger will add an annotation to your ScaledObject: `autoscaling.keda.sh/paused-replicas: 0`.
 During the canary analysis, the annotation is removed, to enable auto scaling for the podinfo deployment.

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

@@ -6,13 +6,13 @@ This guide shows you how to use Kuma and Flagger to automate canary deployments.
 
 ## Prerequisites
 
-Flagger requires a Kubernetes cluster **v1.16** or newer and Kuma **1.3** or newer.
+Flagger requires a Kubernetes cluster **v1.19** or newer and Kuma **1.7** or newer.
 
 Install Kuma and Prometheus (part of Kuma Metrics):
 
 ```bash
 kumactl install control-plane | kubectl apply -f -
-kumactl install metrics | kubectl apply -f -
+kumactl install observability --components "grafana,prometheus" | kubectl apply -f -
 ```
 
 Install Flagger in the `kuma-system` namespace:

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

@@ -2,25 +2,54 @@
 
 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 the Promethues (part of Linkerd Viz):
+Install Linkerd and Prometheus (part of Linkerd Viz):
 
 ```bash
+# The CRDs need to be installed beforehand
+linkerd install --crds | kubectl apply -f -
+
 linkerd install | kubectl apply -f -
 linkerd viz install | kubectl apply -f -
+
+# For linkerd versions 2.12 and later, the SMI extension needs to be install in
+# order to enable TrafficSplits
+curl -sL https://linkerd.github.io/linkerd-smi/install | sh
+linkerd smi install | kubectl apply -f -
 ```
 
-Install Flagger in the linkerd namespace:
+Install Flagger in the flagger-system namespace:
 
 ```bash
 kubectl apply -k github.com/fluxcd/flagger//kustomize/linkerd
 ```
 
+If you prefer Helm, these are the commands to install Linkerd, Linkerd Viz,
+Linkerd-SMI and Flagger:
+
+```bash
+helm repo add linkerd https://helm.linkerd.io/stable
+helm install linkerd-crds linkerd/linkerd-crds -n linkerd --create-namespace
+# See https://linkerd.io/2/tasks/generate-certificates/ for how to generate the
+# certs referred below
+helm install linkerd-control-plane linkerd/linkerd-control-plane \
+  -n linkerd \
+  --set-file identityTrustAnchorsPEM=ca.crt \
+  --set-file identity.issuer.tls.crtPEM=issuer.crt \
+  --set-file identity.issuer.tls.keyPEM=issuer.key \
+
+helm install linkerd-viz linkerd/linkerd-viz -n linkerd-viz --create-namespace
+
+helm install flagger flagger/flagger \
+  --n flagger-system \
+  --set meshProvider=gatewayapi:v1beta1 \
+  --set metricsServer=http://prometheus.linkerd-viz:9090 \
+  --set linkerdAuthPolicy.create=true
+```
+
 ## Bootstrap
 
 Flagger takes a Kubernetes deployment and optionally a horizontal pod autoscaler (HPA),
@@ -46,9 +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:
@@ -62,7 +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
@@ -73,6 +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
@@ -86,18 +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
@@ -309,7 +411,7 @@ watch -n 1 curl http://podinfo-canary:9898/status/404
 Watch Flagger logs:
 
 ```text
-kubectl -n linkerd logs deployment/flagger -f | jq .msg
+kubectl -n flagger-system logs deployment/flagger -f | jq .msg
 
 Starting canary deployment for podinfo.test
 Pre-rollout check acceptance-test passed
@@ -390,7 +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
+  * Istio, Linkerd, App Mesh, NGINX, Skipper, Contour, Gloo Edge, Traefik, Open Service Mesh, Kuma, Gateway API, Apache APISIX
 * **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

@@ -65,9 +65,12 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
+    primaryScalerReplicas:
+      minReplicas: 2
+      maxReplicas: 5
 ```
 
 Based on the above configuration, Flagger generates the following Kubernetes objects:
@@ -80,6 +83,11 @@ by default all traffic is routed to this version and the target deployment is sc
 Flagger will detect changes to the target deployment (including secrets and configmaps)
 and will perform a canary analysis before promoting the new version as primary.
 
+Use `.spec.autoscalerRef.primaryScalerReplicas` to override the replica scaling
+configuration for the generated primary HorizontalPodAutoscaler. This is useful
+for situations when you want to have a different scaling configuration for the
+primary workload as opposed to using the same values from the original workload HorizontalPodAutoscaler. 
+
 **Note** that the target deployment must have a single label selector in the format `app: <DEPLOYMENT-NAME>`:
 
 ```yaml
@@ -371,3 +379,10 @@ 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

@@ -62,6 +62,7 @@ The following variables are available in query templates:
 * `service` (canary.spec.service.name)
 * `ingress` (canary.spec.ingresRef.name)
 * `interval` (canary.spec.analysis.metrics[].interval)
+* `variables` (canary.spec.analysis.metrics[].templateVariables)
 
 A canary analysis metric can reference a template with `templateRef`:
 
@@ -82,6 +83,50 @@ A canary analysis metric can reference a template with `templateRef`:
         interval: 1m
 ```
 
+A canary analysis metric can reference a set of custom variables with `templateVariables`. These variables will be then injected into the query defined in the referred `MetricTemplate` object during canary analysis:
+
+```yaml
+  analysis:
+    metrics:
+      - name: "my metric"
+        templateRef:
+          name: my-metric
+          namespace: flagger
+        # accepted values
+        thresholdRange:
+          min: 10
+          max: 1000
+        # metric query time window
+        interval: 1m
+        # custom variables used within the referenced metric template
+        templateVariables:
+          direction: inbound
+```
+
+```yaml
+apiVersion: flagger.app/v1beta1
+kind: MetricTemplate
+metadata:
+  name: my-metric
+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)
+    )
+```
+
 ## Prometheus
 
 You can create custom metric checks targeting a Prometheus server by
@@ -184,13 +229,25 @@ as the `MetricTemplate` with the basic-auth credentials:
 apiVersion: v1
 kind: Secret
 metadata:
-  name: prom-basic-auth
+  name: prom-auth
   namespace: flagger
 data:
   username: your-user
   password: your-password
 ```
 
+or if you require bearer token authentication (via a SA token):
+
+```yaml
+apiVersion: v1
+kind: Secret
+metadata:
+  name: prom-auth
+  namespace: flagger
+data:
+  token: ey1234...
+```
+
 Then reference the secret in the `MetricTemplate`:
 
 ```yaml
@@ -204,7 +261,7 @@ spec:
     type: prometheus
     address: http://prometheus.monitoring:9090
     secretRef:
-      name: prom-basic-auth
+      name: prom-auth
 ```
 
 ## Datadog

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 +124,8 @@ 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`).
 
+The webhook request can be retried by specifying a positive integer in the `retries` field.
+
 ## Load Testing
 
 For workloads that are not receiving constant traffic Flagger can be configured with a webhook,
@@ -387,6 +395,22 @@ 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

@@ -1,90 +1,97 @@
 module github.com/fluxcd/flagger
 
-go 1.19
+go 1.21
 
 require (
-	cloud.google.com/go/monitoring v1.6.0
-	github.com/Masterminds/semver/v3 v3.1.1
-	github.com/aws/aws-sdk-go v1.44.119
+	cloud.google.com/go/monitoring v1.18.0
+	github.com/Masterminds/semver/v3 v3.2.1
+	github.com/aws/aws-sdk-go v1.50.31
 	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 v2.6.0
-	github.com/influxdata/influxdb-client-go/v2 v2.11.0
-	github.com/prometheus/client_golang v1.13.0
-	github.com/stretchr/testify v1.8.0
-	go.uber.org/zap v1.23.0
-	google.golang.org/api v0.100.0
-	google.golang.org/genproto v0.0.0-20221018160656-63c7b68cfc55
-	google.golang.org/grpc v1.50.1
-	google.golang.org/protobuf v1.28.1
+	github.com/go-logr/zapr v1.3.0
+	github.com/google/go-cmp v0.6.0
+	github.com/googleapis/gax-go/v2 v2.12.2
+	github.com/hashicorp/go-retryablehttp v0.7.5
+	github.com/influxdata/influxdb-client-go/v2 v2.13.0
+	github.com/prometheus/client_golang v1.19.0
+	github.com/stretchr/testify v1.9.0
+	go.uber.org/zap v1.27.0
+	google.golang.org/api v0.168.0
+	google.golang.org/genproto v0.0.0-20240304212257-790db918fca8
+	google.golang.org/grpc v1.62.0
+	google.golang.org/protobuf v1.32.0
 	gopkg.in/h2non/gock.v1 v1.1.2
-	k8s.io/api v0.25.3
-	k8s.io/apimachinery v0.25.3
-	k8s.io/client-go v0.25.3
-	k8s.io/code-generator v0.25.3
-	k8s.io/klog/v2 v2.80.1
+	k8s.io/api v0.27.11
+	k8s.io/apimachinery v0.27.11
+	k8s.io/client-go v0.27.11
+	k8s.io/code-generator v0.27.11
+	k8s.io/klog/v2 v2.120.1
 )
 
-// Fix CVE-2022-32149
-replace golang.org/x/text => golang.org/x/text v0.4.0
-
 require (
-	cloud.google.com/go/compute v1.10.0 // indirect
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	cloud.google.com/go/compute v1.24.0 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/deepmap/oapi-codegen v1.8.2 // indirect
-	github.com/emicklei/go-restful/v3 v3.8.0 // indirect
-	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/go-logr/logr v1.2.3 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.19.5 // indirect
-	github.com/go-openapi/swag v0.19.14 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // 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 v1.4.1 // indirect
+	github.com/go-logr/stdr v1.2.2 // 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/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
-	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.2.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/gnostic v0.6.9 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/s2a-go v0.1.7 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 // indirect
-	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/imdario/mergo v0.3.15 // indirect
+	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mailru/easyjson v0.7.7 // 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/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
-	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	go.opencensus.io v0.23.0 // indirect
-	go.uber.org/atomic v1.7.0 // indirect
-	go.uber.org/multierr v1.6.0 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/net v0.0.0-20221014081412-f15817d10f9b // indirect
-	golang.org/x/oauth2 v0.0.0-20221014153046-6fdb5e3db783 // indirect
-	golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
-	golang.org/x/text v0.4.0 // indirect
-	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
-	golang.org/x/tools v0.1.12 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
+	go.opentelemetry.io/otel v1.24.0 // indirect
+	go.opentelemetry.io/otel/metric v1.24.0 // indirect
+	go.opentelemetry.io/otel/trace v1.24.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/crypto v0.19.0 // indirect
+	golang.org/x/mod v0.14.0 // indirect
+	golang.org/x/net v0.21.0 // indirect
+	golang.org/x/oauth2 v0.17.0 // indirect
+	golang.org/x/sync v0.6.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/term v0.17.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
+	golang.org/x/tools v0.16.1 // indirect
+	google.golang.org/appengine v1.6.8 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240228224816-df926f6c8641 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240304161311-37d4d3c04a78 // 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 v0.0.0-20211129171323-c02415ce4185 // indirect
-	k8s.io/kube-openapi v0.0.0-20220803162953-67bda5d908f1 // indirect
-	k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed // indirect
-	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
+	k8s.io/gengo v0.0.0-20230306165830-ab3349d207d4 // indirect
+	k8s.io/kube-openapi v0.0.0-20230501164219-8b0f38b5fd1f // indirect
+	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // 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 v1.2.0 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )

go.sum

@@ -1,140 +1,76 @@
 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 v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/compute v1.10.0 h1:aoLIYaA1fX3ywihqpBk2APQKOo20nXsp1GEZQbx5Jk4=
-cloud.google.com/go/compute v1.10.0/go.mod h1:ER5CLbMxl90o2jtNbGSbtfOpQKR0t15FOtRsugnLrlU=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/monitoring v1.6.0 h1:+x5AA2mFkiHK/ySN6NWKbeKBV+Z/DN+h51kBzcW08zU=
-cloud.google.com/go/monitoring v1.6.0/go.mod h1:w+OY1TYCk4MtvY7WfEHlIp5mP8SV/gDSqOsvGhVa2KM=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+cloud.google.com/go/compute v1.24.0 h1:phWcR2eWzRJaL/kOiJwfFsPs4BaKq1j6vnpZrc1YlVg=
+cloud.google.com/go/compute v1.24.0/go.mod h1:kw1/T+h/+tK2LJK0wiPPx1intgdAM3j/g3hFDlscY40=
+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/monitoring v1.18.0 h1:NfkDLQDG2UR3WYZVQE8kwSbUIEyIqJUPl+aOQdFH1T4=
+cloud.google.com/go/monitoring v1.18.0/go.mod h1:c92vVBCeq/OB4Ioyo+NbN2U7tlg5ZH41PZcdvfc+Lcg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
-github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
-github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
-github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
-github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
-github.com/aws/aws-sdk-go v1.44.119 h1:TPkpDsanBMcZaF5wHwpKhjkapRV/b7d2qdC+a+IPbmY=
-github.com/aws/aws-sdk-go v1.44.119/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
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 k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
-k8s.io/klog/v2 v2.80.1 h1:atnLQ121W371wYYFawwYx1aEY2eUfs4l3J72wtgAwV4=
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+sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
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 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
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hack/update-codegen.sh

@@ -27,10 +27,11 @@ echo ">> Temporary output directory ${TEMP_DIR}"
 
 # Ensure we can execute.
 chmod +x ${CODEGEN_PKG}/generate-groups.sh
+chmod +x ${CODEGEN_PKG}/generate-internal-groups.sh
 
-${CODEGEN_PKG}/generate-groups.sh all \
+${CODEGEN_PKG}/generate-groups.sh client,deepcopy,informer,lister \
     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 keda:v1alpha1" \
+    "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:v1beta1 gatewayapi:v1 keda:v1alpha1 apisix:v2" \
     --output-base "${TEMP_DIR}" \
     --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
 

kustomize/apisix/kustomization.yaml

@@ -0,0 +1,7 @@
+bases:
+  - ../base/flagger/
+  - ../base/prometheus/
+resources:
+  - namespace.yaml
+patchesStrategicMerge:
+  - patch.yaml

kustomize/apisix/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: flagger-system

kustomize/apisix/patch.yaml

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

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
@@ -121,6 +125,13 @@ spec:
                       type: object
                       additionalProperties:
                         type: string
+                    primaryScalerReplicas:
+                      type: object
+                      properties:
+                        minReplicas:
+                          type: number
+                        maxReplicas:
+                          type: number
                 ingressRef:
                   description: Ingress selector
                   type: object
@@ -134,6 +145,19 @@ spec:
                         - Ingress
                     name:
                       type: string
+                routeRef:
+                  description: APISIX route selector
+                  type: object
+                  required: [ "apiVersion", "kind", "name" ]
+                  properties:
+                    apiVersion:
+                      type: string
+                    kind:
+                      type: string
+                      enum:
+                        - ApisixRoute
+                    name:
+                      type: string
                 upstreamRef:
                   description: Gloo Upstream selector
                   type: object
@@ -458,6 +482,54 @@ 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
@@ -537,6 +609,11 @@ 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
@@ -727,6 +804,10 @@ 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.
@@ -830,6 +911,9 @@ 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
@@ -903,6 +987,34 @@ 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
@@ -950,6 +1062,11 @@ spec:
                               namespace:
                                 description: Namespace of this metric template
                                 type: string
+                          templateVariables:
+                            description: Additional variables to be used in the metrics query (key-value pairs)
+                            type: object
+                            additionalProperties:
+                              type: string
                     alerts:
                       description: Alert list for this canary analysis
                       type: array
@@ -1015,6 +1132,9 @@ spec:
                             description: Request timeout for this webhook
                             type: string
                             pattern: "^[0-9]+(m|s)"
+                          retries:
+                            description: Number of retries for this webhook
+                            type: number
                           metadata:
                             description: Metadata (key-value pairs) for this webhook
                             type: object

kustomize/base/flagger/kustomization.yaml

@@ -9,4 +9,4 @@ resources:
 images:
   - name: ghcr.io/fluxcd/flagger
     newName: ghcr.io/fluxcd/flagger
-    newTag: 1.25.0
+    newTag: 1.36.1

kustomize/base/flagger/rbac.yaml

@@ -229,6 +229,18 @@ rules:
       - update
       - patch
       - delete
+  - apiGroups:
+      - apisix.apache.org
+    resources:
+      - apisixroutes
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - update
+      - patch
+      - delete
   - nonResourceURLs:
       - /version
     verbs:

kustomize/base/prometheus/deployment.yaml

@@ -19,7 +19,7 @@ spec:
       serviceAccountName: flagger-prometheus
       containers:
           - name: prometheus
-            image: prom/prometheus:v2.39.1
+            image: prom/prometheus:v2.41.0
             imagePullPolicy: IfNotPresent
             args:
               - '--storage.tsdb.retention=2h'

kustomize/gatewayapi/patch.yaml

@@ -10,5 +10,5 @@ spec:
           args:
             - -log-level=info
             - -include-label-prefix=app.kubernetes.io
-            - -mesh-provider=gatewayapi:v1alpha2
+            - -mesh-provider=gatewayapi:v1
             - -metrics-server=http://flagger-prometheus:9090

kustomize/kuma/kustomization.yaml

@@ -3,3 +3,5 @@ bases:
   - ../base/flagger/
 patchesStrategicMerge:
   - patch.yaml
+resources:
+  - mesh.yaml

kustomize/kuma/mesh.yaml

@@ -0,0 +1,10 @@
+apiVersion: kuma.io/v1alpha1
+kind: Mesh
+metadata:
+  name: default
+spec:
+  metrics:
+    enabledBackend: prometheus-1
+    backends:
+    - name: prometheus-1
+      type: prometheus

kustomize/kuma/patch.yaml

@@ -11,4 +11,4 @@ spec:
             - -log-level=info
             - -include-label-prefix=app.kubernetes.io
             - -mesh-provider=kuma
-            - -metrics-server=http://prometheus-server.kuma-metrics:80
+            - -metrics-server=http://prometheus-server.mesh-observability:80

kustomize/linkerd/authorizationpolicy.yaml

@@ -0,0 +1,14 @@
+apiVersion: policy.linkerd.io/v1alpha1
+kind: AuthorizationPolicy
+metadata:
+  namespace: linkerd-viz
+  name: prometheus-admin-flagger
+spec:
+  targetRef:
+    group: policy.linkerd.io
+    kind: Server
+    name: prometheus-admin
+  requiredAuthenticationRefs:
+    - kind: ServiceAccount
+      name: flagger
+      namespace: flagger-system

kustomize/linkerd/kustomization.yaml

@@ -1,5 +1,18 @@
-namespace: linkerd
+namespace: flagger-system
 bases:
   - ../base/flagger/
+  - namespace.yaml
+  - authorizationpolicy.yaml
 patchesStrategicMerge:
   - patch.yaml
+# restore overridden namespace field
+patchesJson6902:
+  - target:
+      group: policy.linkerd.io
+      version: v1alpha1
+      kind: AuthorizationPolicy
+      name: prometheus-admin-flagger
+    patch: |-
+      - op: replace
+        path: /metadata/namespace
+        value: linkerd-viz

kustomize/linkerd/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  annotations:
+    linkerd.io/inject: enabled
+  name: flagger-system

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
@@ -24,4 +24,4 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: flagger
-    namespace: linkerd
+    namespace: flagger-system

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:0.26.0
+          image: ghcr.io/fluxcd/flagger-loadtester:0.31.0
           imagePullPolicy: IfNotPresent
           ports:
             - name: http

pkg/apis/apisix/register.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2022 The Flux 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 apisix
+
+const (
+	GroupName = "apisix.apache.org"
+)

pkg/apis/apisix/v2/doc.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2022 The Flux 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.
+*/
+
+// +k8s:deepcopy-gen=package
+
+// Package v2 is the v2 version of the API.
+// +groupName=apisix.apache.org
+package v2

pkg/apis/apisix/v2/register.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2022 The Flux 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 v2
+
+import (
+	"github.com/fluxcd/flagger/pkg/apis/apisix"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: apisix.GroupName, Version: "v2"}
+
+// Kind takes an unqualified kind and returns back a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	AddToScheme   = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&ApisixRoute{},
+		&ApisixRouteList{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

pkg/apis/apisix/v2/types.go

@@ -0,0 +1,245 @@
+/*
+Copyright 2022 The Flux 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 v2
+
+import (
+	"encoding/json"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +kubebuilder:subresource:status
+// ApisixRoute is used to define the route rules and upstreams for Apache APISIX.
+type ApisixRoute struct {
+	metav1.TypeMeta   `json:",inline" yaml:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty"`
+	Spec              ApisixRouteSpec `json:"spec,omitempty" yaml:"spec,omitempty"`
+	Status            ApisixStatus    `json:"status,omitempty" yaml:"status,omitempty"`
+}
+
+// ApisixStatus is the status report for Apisix ingress Resources
+type ApisixStatus struct {
+	Conditions []metav1.Condition `json:"conditions,omitempty" yaml:"conditions,omitempty"`
+}
+
+// ApisixRouteSpec is the spec definition for ApisixRouteSpec.
+type ApisixRouteSpec struct {
+	HTTP   []ApisixRouteHTTP   `json:"http,omitempty" yaml:"http,omitempty"`
+	Stream []ApisixRouteStream `json:"stream,omitempty" yaml:"stream,omitempty"`
+}
+
+// ApisixRouteHTTP represents a single route in for HTTP traffic.
+type ApisixRouteHTTP struct {
+	// The rule name, cannot be empty.
+	Name string `json:"name" yaml:"name"`
+	// Route priority, when multiple routes contains
+	// same URI path (for path matching), route with
+	// higher priority will take effect.
+	Priority int                  `json:"priority,omitempty" yaml:"priority,omitempty"`
+	Timeout  *UpstreamTimeout     `json:"timeout,omitempty" yaml:"timeout,omitempty"`
+	Match    ApisixRouteHTTPMatch `json:"match,omitempty" yaml:"match,omitempty"`
+	// Backends represents potential backends to proxy after the route
+	// rule matched. When number of backends are more than one, traffic-split
+	// plugin in APISIX will be used to split traffic based on the backend weight.
+	Backends         []ApisixRouteHTTPBackend   `json:"backends,omitempty" yaml:"backends,omitempty"`
+	Websocket        bool                       `json:"websocket" yaml:"websocket"`
+	PluginConfigName string                     `json:"plugin_config_name,omitempty" yaml:"plugin_config_name,omitempty"`
+	Plugins          []ApisixRoutePlugin        `json:"plugins,omitempty" yaml:"plugins,omitempty"`
+	Authentication   *ApisixRouteAuthentication `json:"authentication,omitempty" yaml:"authentication,omitempty"`
+}
+
+// UpstreamTimeout is settings for the read, send and connect to the upstream.
+type UpstreamTimeout struct {
+	Connect metav1.Duration `json:"connect,omitempty" yaml:"connect,omitempty"`
+	Send    metav1.Duration `json:"send,omitempty" yaml:"send,omitempty"`
+	Read    metav1.Duration `json:"read,omitempty" yaml:"read,omitempty"`
+}
+
+// ApisixRouteHTTPBackend represents a HTTP backend (a Kuberentes Service).
+type ApisixRouteHTTPBackend struct {
+	// The name (short) of the service, note cross namespace is forbidden,
+	// so be sure the ApisixRoute and Service are in the same namespace.
+	ServiceName string `json:"serviceName" yaml:"serviceName"`
+	// The service port, could be the name or the port number.
+	ServicePort intstr.IntOrString `json:"servicePort" yaml:"servicePort"`
+	// The resolve granularity, can be "endpoints" or "service",
+	// when set to "endpoints", the pod ips will be used; other
+	// wise, the service ClusterIP or ExternalIP will be used,
+	// default is endpoints.
+	ResolveGranularity string `json:"resolveGranularity,omitempty" yaml:"resolveGranularity,omitempty"`
+	// Weight of this backend.
+	Weight *int `json:"weight" yaml:"weight"`
+	// Subset specifies a subset for the target Service. The subset should be pre-defined
+	// in ApisixUpstream about this service.
+	Subset string `json:"subset,omitempty" yaml:"subset,omitempty"`
+}
+
+// ApisixRouteHTTPMatch represents the match condition for hitting this route.
+type ApisixRouteHTTPMatch struct {
+	// URI path predicates, at least one path should be
+	// configured, path could be exact or prefix, for prefix path,
+	// append "*" after it, for instance, "/foo*".
+	Paths []string `json:"paths" yaml:"paths"`
+	// HTTP request method predicates.
+	Methods []string `json:"methods,omitempty" yaml:"methods,omitempty"`
+	// HTTP Host predicates, host can be a wildcard domain or
+	// an exact domain. For wildcard domain, only one generic
+	// level is allowed, for instance, "*.foo.com" is valid but
+	// "*.*.foo.com" is not.
+	Hosts []string `json:"hosts,omitempty" yaml:"hosts,omitempty"`
+	// Remote address predicates, items can be valid IPv4 address
+	// or IPv6 address or CIDR.
+	RemoteAddrs []string `json:"remoteAddrs,omitempty" yaml:"remoteAddrs,omitempty"`
+	// NginxVars represents generic match predicates,
+	// it uses Nginx variable systems, so any predicate
+	// like headers, querystring and etc can be leveraged
+	// here to match the route.
+	// For instance, it can be:
+	// nginxVars:
+	//   - subject: "$remote_addr"
+	//     op: in
+	//     value:
+	//       - "127.0.0.1"
+	//       - "10.0.5.11"
+	NginxVars []ApisixRouteHTTPMatchExpr `json:"exprs,omitempty" yaml:"exprs,omitempty"`
+}
+
+// ApisixRouteHTTPMatchExpr represents a binary route match expression .
+type ApisixRouteHTTPMatchExpr struct {
+	// Subject is the expression subject, it can
+	// be any string composed by literals and nginx
+	// vars.
+	Subject ApisixRouteHTTPMatchExprSubject `json:"subject" yaml:"subject"`
+	// Op is the operator.
+	Op string `json:"op" yaml:"op"`
+	// Set is an array type object of the expression.
+	// It should be used when the Op is "in" or "not_in";
+	Set []string `json:"set" yaml:"set"`
+	// Value is the normal type object for the expression,
+	// it should be used when the Op is not "in" and "not_in".
+	// Set and Value are exclusive so only of them can be set
+	// in the same time.
+	Value *string `json:"value" yaml:"value"`
+}
+
+// ApisixRouteHTTPMatchExprSubject describes the route match expression subject.
+type ApisixRouteHTTPMatchExprSubject struct {
+	// The subject scope, can be:
+	// ScopeQuery, ScopeHeader, ScopePath
+	// when subject is ScopePath, Name field
+	// will be ignored.
+	Scope string `json:"scope" yaml:"scope"`
+	// The name of subject.
+	Name string `json:"name" yaml:"name"`
+}
+
+// ApisixRoutePlugin represents an APISIX plugin.
+type ApisixRoutePlugin struct {
+	// The plugin name.
+	Name string `json:"name" yaml:"name"`
+	// Whether this plugin is in use, default is true.
+	Enable bool `json:"enable" yaml:"enable"`
+	// Plugin configuration.
+	Config ApisixRoutePluginConfig `json:"config" yaml:"config"`
+}
+
+// ApisixRoutePluginConfig is the configuration for
+// any plugins.
+type ApisixRoutePluginConfig map[string]interface{}
+
+// ApisixRouteAuthentication is the authentication-related
+// configuration in ApisixRoute.
+type ApisixRouteAuthentication struct {
+	Enable  bool                             `json:"enable" yaml:"enable"`
+	Type    string                           `json:"type" yaml:"type"`
+	KeyAuth ApisixRouteAuthenticationKeyAuth `json:"keyAuth,omitempty" yaml:"keyAuth,omitempty"`
+	JwtAuth ApisixRouteAuthenticationJwtAuth `json:"jwtAuth,omitempty" yaml:"jwtAuth,omitempty"`
+}
+
+// ApisixRouteAuthenticationKeyAuth is the keyAuth-related
+// configuration in ApisixRouteAuthentication.
+type ApisixRouteAuthenticationKeyAuth struct {
+	Header string `json:"header,omitempty" yaml:"header,omitempty"`
+}
+
+// ApisixRouteAuthenticationJwtAuth is the jwt auth related
+// configuration in ApisixRouteAuthentication.
+type ApisixRouteAuthenticationJwtAuth struct {
+	Header string `json:"header,omitempty" yaml:"header,omitempty"`
+	Query  string `json:"query,omitempty" yaml:"query,omitempty"`
+	Cookie string `json:"cookie,omitempty" yaml:"cookie,omitempty"`
+}
+
+func (p ApisixRoutePluginConfig) DeepCopyInto(out *ApisixRoutePluginConfig) {
+	b, _ := json.Marshal(&p)
+	_ = json.Unmarshal(b, out)
+}
+
+func (p *ApisixRoutePluginConfig) DeepCopy() *ApisixRoutePluginConfig {
+	if p == nil {
+		return nil
+	}
+	out := new(ApisixRoutePluginConfig)
+	p.DeepCopyInto(out)
+	return out
+}
+
+// ApisixRouteStream is the configuration for level 4 route
+type ApisixRouteStream struct {
+	// The rule name, cannot be empty.
+	Name     string                   `json:"name" yaml:"name"`
+	Protocol string                   `json:"protocol" yaml:"protocol"`
+	Match    ApisixRouteStreamMatch   `json:"match" yaml:"match"`
+	Backend  ApisixRouteStreamBackend `json:"backend" yaml:"backend"`
+	Plugins  []ApisixRoutePlugin      `json:"plugins,omitempty" yaml:"plugins,omitempty"`
+}
+
+// ApisixRouteStreamMatch represents the match conditions of stream route.
+type ApisixRouteStreamMatch struct {
+	// IngressPort represents the port listening on the Ingress proxy server.
+	// It should be pre-defined as APISIX doesn't support dynamic listening.
+	IngressPort int32 `json:"ingressPort" yaml:"ingressPort"`
+}
+
+// ApisixRouteStreamBackend represents a TCP backend (a Kubernetes Service).
+type ApisixRouteStreamBackend struct {
+	// The name (short) of the service, note cross namespace is forbidden,
+	// so be sure the ApisixRoute and Service are in the same namespace.
+	ServiceName string `json:"serviceName" yaml:"serviceName"`
+	// The service port, could be the name or the port number.
+	ServicePort intstr.IntOrString `json:"servicePort" yaml:"servicePort"`
+	// The resolve granularity, can be "endpoints" or "service",
+	// when set to "endpoints", the pod ips will be used; other
+	// wise, the service ClusterIP or ExternalIP will be used,
+	// default is endpoints.
+	ResolveGranularity string `json:"resolveGranularity,omitempty" yaml:"resolveGranularity,omitempty"`
+	// Subset specifies a subset for the target Service. The subset should be pre-defined
+	// in ApisixUpstream about this service.
+	Subset string `json:"subset,omitempty" yaml:"subset,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// ApisixRouteList contains a list of ApisixRoute.
+type ApisixRouteList struct {
+	metav1.TypeMeta `json:",inline" yaml:",inline"`
+	metav1.ListMeta `json:"metadata" yaml:"metadata"`
+	Items           []ApisixRoute `json:"items,omitempty" yaml:"items,omitempty"`
+}

pkg/apis/apisix/v2/zz_generated.deepcopy.go

@@ -0,0 +1,434 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright 2020 The Flux 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.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v2
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRoute) DeepCopyInto(out *ApisixRoute) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	in.Spec.DeepCopyInto(&out.Spec)
+	in.Status.DeepCopyInto(&out.Status)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRoute.
+func (in *ApisixRoute) DeepCopy() *ApisixRoute {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRoute)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ApisixRoute) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteAuthentication) DeepCopyInto(out *ApisixRouteAuthentication) {
+	*out = *in
+	out.KeyAuth = in.KeyAuth
+	out.JwtAuth = in.JwtAuth
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteAuthentication.
+func (in *ApisixRouteAuthentication) DeepCopy() *ApisixRouteAuthentication {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteAuthentication)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteAuthenticationJwtAuth) DeepCopyInto(out *ApisixRouteAuthenticationJwtAuth) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteAuthenticationJwtAuth.
+func (in *ApisixRouteAuthenticationJwtAuth) DeepCopy() *ApisixRouteAuthenticationJwtAuth {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteAuthenticationJwtAuth)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteAuthenticationKeyAuth) DeepCopyInto(out *ApisixRouteAuthenticationKeyAuth) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteAuthenticationKeyAuth.
+func (in *ApisixRouteAuthenticationKeyAuth) DeepCopy() *ApisixRouteAuthenticationKeyAuth {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteAuthenticationKeyAuth)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteHTTP) DeepCopyInto(out *ApisixRouteHTTP) {
+	*out = *in
+	if in.Timeout != nil {
+		in, out := &in.Timeout, &out.Timeout
+		*out = new(UpstreamTimeout)
+		**out = **in
+	}
+	in.Match.DeepCopyInto(&out.Match)
+	if in.Backends != nil {
+		in, out := &in.Backends, &out.Backends
+		*out = make([]ApisixRouteHTTPBackend, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.Plugins != nil {
+		in, out := &in.Plugins, &out.Plugins
+		*out = make([]ApisixRoutePlugin, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.Authentication != nil {
+		in, out := &in.Authentication, &out.Authentication
+		*out = new(ApisixRouteAuthentication)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteHTTP.
+func (in *ApisixRouteHTTP) DeepCopy() *ApisixRouteHTTP {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteHTTP)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteHTTPBackend) DeepCopyInto(out *ApisixRouteHTTPBackend) {
+	*out = *in
+	out.ServicePort = in.ServicePort
+	if in.Weight != nil {
+		in, out := &in.Weight, &out.Weight
+		*out = new(int)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteHTTPBackend.
+func (in *ApisixRouteHTTPBackend) DeepCopy() *ApisixRouteHTTPBackend {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteHTTPBackend)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteHTTPMatch) DeepCopyInto(out *ApisixRouteHTTPMatch) {
+	*out = *in
+	if in.Paths != nil {
+		in, out := &in.Paths, &out.Paths
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.Methods != nil {
+		in, out := &in.Methods, &out.Methods
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.Hosts != nil {
+		in, out := &in.Hosts, &out.Hosts
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.RemoteAddrs != nil {
+		in, out := &in.RemoteAddrs, &out.RemoteAddrs
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.NginxVars != nil {
+		in, out := &in.NginxVars, &out.NginxVars
+		*out = make([]ApisixRouteHTTPMatchExpr, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteHTTPMatch.
+func (in *ApisixRouteHTTPMatch) DeepCopy() *ApisixRouteHTTPMatch {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteHTTPMatch)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteHTTPMatchExpr) DeepCopyInto(out *ApisixRouteHTTPMatchExpr) {
+	*out = *in
+	out.Subject = in.Subject
+	if in.Set != nil {
+		in, out := &in.Set, &out.Set
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.Value != nil {
+		in, out := &in.Value, &out.Value
+		*out = new(string)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteHTTPMatchExpr.
+func (in *ApisixRouteHTTPMatchExpr) DeepCopy() *ApisixRouteHTTPMatchExpr {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteHTTPMatchExpr)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteHTTPMatchExprSubject) DeepCopyInto(out *ApisixRouteHTTPMatchExprSubject) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteHTTPMatchExprSubject.
+func (in *ApisixRouteHTTPMatchExprSubject) DeepCopy() *ApisixRouteHTTPMatchExprSubject {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteHTTPMatchExprSubject)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteList) DeepCopyInto(out *ApisixRouteList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]ApisixRoute, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteList.
+func (in *ApisixRouteList) DeepCopy() *ApisixRouteList {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ApisixRouteList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRoutePlugin) DeepCopyInto(out *ApisixRoutePlugin) {
+	*out = *in
+	in.Config.DeepCopyInto(&out.Config)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRoutePlugin.
+func (in *ApisixRoutePlugin) DeepCopy() *ApisixRoutePlugin {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRoutePlugin)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteSpec) DeepCopyInto(out *ApisixRouteSpec) {
+	*out = *in
+	if in.HTTP != nil {
+		in, out := &in.HTTP, &out.HTTP
+		*out = make([]ApisixRouteHTTP, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.Stream != nil {
+		in, out := &in.Stream, &out.Stream
+		*out = make([]ApisixRouteStream, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteSpec.
+func (in *ApisixRouteSpec) DeepCopy() *ApisixRouteSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteStream) DeepCopyInto(out *ApisixRouteStream) {
+	*out = *in
+	out.Match = in.Match
+	out.Backend = in.Backend
+	if in.Plugins != nil {
+		in, out := &in.Plugins, &out.Plugins
+		*out = make([]ApisixRoutePlugin, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteStream.
+func (in *ApisixRouteStream) DeepCopy() *ApisixRouteStream {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteStream)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteStreamBackend) DeepCopyInto(out *ApisixRouteStreamBackend) {
+	*out = *in
+	out.ServicePort = in.ServicePort
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteStreamBackend.
+func (in *ApisixRouteStreamBackend) DeepCopy() *ApisixRouteStreamBackend {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteStreamBackend)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixRouteStreamMatch) DeepCopyInto(out *ApisixRouteStreamMatch) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixRouteStreamMatch.
+func (in *ApisixRouteStreamMatch) DeepCopy() *ApisixRouteStreamMatch {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixRouteStreamMatch)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ApisixStatus) DeepCopyInto(out *ApisixStatus) {
+	*out = *in
+	if in.Conditions != nil {
+		in, out := &in.Conditions, &out.Conditions
+		*out = make([]v1.Condition, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ApisixStatus.
+func (in *ApisixStatus) DeepCopy() *ApisixStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ApisixStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *UpstreamTimeout) DeepCopyInto(out *UpstreamTimeout) {
+	*out = *in
+	out.Connect = in.Connect
+	out.Send = in.Send
+	out.Read = in.Read
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new UpstreamTimeout.
+func (in *UpstreamTimeout) DeepCopy() *UpstreamTimeout {
+	if in == nil {
+		return nil
+	}
+	out := new(UpstreamTimeout)
+	in.DeepCopyInto(out)
+	return out
+}