Merge pull request #470 from stefanprodan/release-6.11.2

Release 6.11.2

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: stefanprodan

.github/actions/release-notes/Dockerfile

@@ -1,6 +0,0 @@
-FROM stefanprodan/alpine-base:latest
-
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]

.github/actions/release-notes/action.yml

@@ -1,9 +0,0 @@
-name: 'github-release-notes'
-description: 'A GitHub Action to run github-release-notes commands'
-author: 'Stefan Prodan'
-branding:
-  icon: 'command'
-  color: 'blue'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'

.github/actions/release-notes/entrypoint.sh

@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-
-set -o errexit
-set -o pipefail
-
-VERSION=0.2.0
-BIN_DIR="$GITHUB_WORKSPACE/bin"
-
-main() {
-  mkdir -p ${BIN_DIR}
-  tmpDir=$(mktemp -d)
-
-  pushd $tmpDir >& /dev/null
-
-  curl -sSL https://github.com/buchanae/github-release-notes/releases/download/${VERSION}/github-release-notes-linux-amd64-${VERSION}.tar.gz | tar xz
-  cp github-release-notes ${BIN_DIR}/github-release-notes
-
-  popd >& /dev/null
-  rm -rf $tmpDir
-}
-
-main
-
-echo "$BIN_DIR" >> $GITHUB_PATH
-echo "$RUNNER_WORKSPACE/$(basename $GITHUB_REPOSITORY)/bin" >> $GITHUB_PATH

.github/actions/runner-cleanup/action.yml

@@ -0,0 +1,24 @@
+name: Runner Cleanup
+description: A GitHub Action for removing bloat from Ubuntu GitHub Actions runner.
+author: Stefan Prodan
+branding:
+  color: blue
+  icon: command
+runs:
+  using: composite
+  steps:
+    - name: "Disk Usage Before Cleanup"
+      shell: bash
+      run: |
+        df -h
+    - name: "Remove .NET, Android and Haskell"
+      shell: bash
+      run: |
+        sudo rm -rf /usr/share/dotnet || true
+        sudo rm -rf /usr/local/lib/android || true
+        sudo rm -rf /opt/ghc || true
+        sudo rm -rf /usr/local/.ghcup || true
+    - name: "Disk Usage After Cleanup"
+      shell: bash
+      run: |
+        df -h

.github/dependabot.yaml

@@ -0,0 +1,11 @@
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      actions:
+        patterns:
+          - "*"
+    schedule:
+      interval: "weekly"

.github/workflows/cve-scan.yml

@@ -1,31 +1,25 @@
 name: cve-scan
 
 on:
+  workflow_dispatch:
   push:
     branches:
-      - 'master'
+      - "master"
+  pull_request:
+    branches:
+      - "master"
 
 permissions:
   contents: read
 
 jobs:
-  trivy:
+  govulncheck:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Build image
-        id: build
-        run: |
-          IMAGE=test/podinfo:${GITHUB_SHA}
-          docker build -t ${IMAGE} .
-          echo "::set-output name=image::$IMAGE"
-      - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@master
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./.github/actions/runner-cleanup
+      - name: Vulnerability scan
+        id: govulncheck
+        uses: golang/govulncheck-action@b625fbe08f3bccbe446d94fbf87fcc875a4f50ee # v1.0.4
         with:
-          image-ref: ${{ steps.build.outputs.image }}
-          format: table
-          exit-code: "1"
-          ignore-unfixed: true
-          vuln-type: os,library
-          severity: CRITICAL,HIGH
+          repo-checkout: false

.github/workflows/e2e.yml

@@ -14,20 +14,21 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Disk Cleanup
+        uses: ./.github/actions/runner-cleanup
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.8.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         with:
-          version: v0.20.0
           cluster_name: kind
       - name: Build container image
         run: |
           ./test/build.sh
           kind load docker-image test/podinfo:latest
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.12.3
+          version: v4.1.0
       - name: Deploy
         run: ./test/deploy.sh
       - name: Run integration tests
@@ -48,14 +49,13 @@ jobs:
       PODINFO_MODULE_URL: "oci://localhost:5000/podinfo"
       PODINFO_VERSION: "0.0.0-devel"
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Timoni
-        uses: stefanprodan/timoni/actions/setup@main
+        uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.8.0
+        uses: helm/kind-action@ef37e7f390d99f746eb8b610417061a60e82a6cc # v1.14.0
         with:
-          version: v0.20.0
           cluster_name: kind
       - name: Build container
         run: |

.github/workflows/release.yml

@@ -15,34 +15,48 @@ jobs:
       contents: write # needed to write releases
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
+      attestations: write # needed for provenance
     steps:
-      - uses: actions/checkout@v4
-      - uses: sigstore/cosign-installer@v3
-      - uses: fluxcd/flux2/action@main
-      - uses: stefanprodan/timoni/actions/setup@main
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./.github/actions/runner-cleanup
+      - uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
+      - uses: fluxcd/flux2/action@871be9b40d53627786d3a3835a3ddba1e3234bd2 # v2.8.3
+      - uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
+      - name: Setup Notation CLI
+        uses: notaryproject/notation-action/setup@b6fee73110795d6793253c673bd723f12bcf9bbb # v1.2.2
+        with:
+          version: "1.1.0"
+      - name: Setup Notation signing keys
+        run: |
+          mkdir -p ~/.config/notation/localkeys/
+          cp ./.notation/signingkeys.json ~/.config/notation/
+          cp ./.notation/notation.crt ~/.config/notation/localkeys/
+          echo "$NOTATION_KEY" > ~/.config/notation/localkeys/notation.key
+        env:
+          NOTATION_KEY: ${{ secrets.NOTATION_SIGNING_KEY }}
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
-          go-version: 1.21.x
+          go-version: 1.26.x
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.12.3
+          version: v4.1.1
       - name: Setup QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
         with:
           platforms: all
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Login to Docker Hub
-        uses: docker/login-action@v3
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4.0.0
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
@@ -58,7 +72,7 @@ jobs:
           echo "REVISION=${GITHUB_SHA}" >> $GITHUB_OUTPUT
       - name: Generate images meta
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
         with:
           images: |
             docker.io/stefanprodan/podinfo
@@ -67,7 +81,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
             type=raw,value=latest
       - name: Publish multi-arch image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           sbom: true
           provenance: true
@@ -101,7 +115,7 @@ jobs:
             --source="${{ github.event.repository.html_url }}" \
             --revision="${GITHUB_REF_NAME}/${GITHUB_SHA}"
           flux tag artifact oci://ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }} --tag latest
-      - name: Sign OCI artifacts
+      - name: Sign artifacts with Cosign
         env:
           COSIGN_EXPERIMENTAL: 1
         run: |
@@ -110,7 +124,7 @@ jobs:
           cosign sign ghcr.io/stefanprodan/charts/podinfo:${{ steps.prep.outputs.VERSION }} --yes
           cosign sign ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }} --yes
       - name: Publish base image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
         with:
           push: true
           builder: ${{ steps.buildx.outputs.name }}
@@ -119,7 +133,7 @@ jobs:
           file: ./Dockerfile.base
           tags: docker.io/stefanprodan/podinfo-base:latest
       - name: Publish helm chart
-        uses: stefanprodan/helm-gh-pages@master
+        uses: stefanprodan/helm-gh-pages@0ad2bb377311d61ac04ad9eb6f252fb68e207260 # v1.7.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Publish config artifact
@@ -129,7 +143,7 @@ jobs:
             --source="${{ github.event.repository.html_url }}" \
             --revision="${GITHUB_REF_NAME}/${GITHUB_SHA}"
           flux tag artifact oci://ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }} --tag latest
-      - name: Sign config artifact
+      - name: Sign config artifact with cso
         run: |
           echo "$COSIGN_KEY" > /tmp/cosign.key
           cosign sign -key /tmp/cosign.key ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }} --yes
@@ -137,15 +151,21 @@ jobs:
         env:
           COSIGN_PASSWORD: ${{secrets.COSIGN_PASSWORD}}
           COSIGN_KEY: ${{secrets.COSIGN_KEY}}
-      - uses: ./.github/actions/release-notes
-      - name: Generate release notes
+      - name: Sign artifacts with Notation
         run: |
-          echo 'CHANGELOG' > /tmp/release.txt
-          github-release-notes -org stefanprodan -repo podinfo -since-latest-release >> /tmp/release.txt
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/charts/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/manifests/podinfo:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:${{ steps.prep.outputs.VERSION }}
+          notation sign --signature-format cose ghcr.io/stefanprodan/podinfo-deploy:latest
       - name: Publish release
-        uses: goreleaser/goreleaser-action@v5
+        uses: goreleaser/goreleaser-action@ec59f474b9834571250b370d4735c50f8e2d1e29 # v7.0.0
         with:
           version: latest
-          args: release --release-notes=/tmp/release.txt --skip-validate
+          args: release --skip=validate
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Attest release
+        uses: actions/attest@59d89421af93a897026c735860bf21b6eb4f7b26 # v4.1.0
+        with:
+          subject-checksums: ./dist/podinfo_${{ steps.prep.outputs.VERSION }}_checksums.txt

.github/workflows/test.yml

@@ -10,35 +10,36 @@ permissions:
   contents: read
 
 env:
-  KUBERNETES_VERSION: 1.26.0
+  KUBERNETES_VERSION: 1.35.0
+  HELM_VERSION: 4.1.1
 
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
-          go-version: 1.21.x
+          go-version: 1.26.x
           cache-dependency-path: |
             **/go.sum
             **/go.mod
       - name: Setup kubectl
-        uses: azure/setup-kubectl@v3
+        uses: azure/setup-kubectl@15650b3ad78fff148532a140b8a4c821796b2d7b # v5.0.0
         with:
           version: v${{ env.KUBERNETES_VERSION }}
       - name: Setup kubeconform
         uses: ./.github/actions/kubeconform
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
         with:
-          version: v3.10.3
+          version: v${{ env.HELM_VERSION }}
       - name: Setup CUE
-        uses: cue-lang/setup-cue@v1.0.0
+        uses: cue-lang/setup-cue@a93fa358375740cd8b0078f76355512b9208acb1 # v1.0.1
       - name: Setup Timoni
-        uses: stefanprodan/timoni/actions/setup@main
+        uses: stefanprodan/timoni/actions/setup@c68e33a34f17c7ca93c7fc6717d61a14819276dc # v0.26.0
       - name: Run unit tests
         run: make test
       - name: Validate Helm chart
@@ -51,7 +52,7 @@ jobs:
       - name: Verify CUE formatting
         working-directory: ./timoni/podinfo
         run: |
-          cue fmt ./..
+          cue fmt ./...
           status=$(git status . --porcelain)
           [[ -z "$status" ]] || {
             echo "CUE files are not correctly formatted"

.gitignore

@@ -23,3 +23,6 @@ bin/
 cue/cue.mod/gen/
 cue/go.mod
 cue/go.sum
+
+.notation/podinfo.csr
+.notation/podinfo.key

.goreleaser.yml

@@ -1,3 +1,18 @@
+version: 2
+
+# xref: https://goreleaser.com/customization/project/
+project_name: podinfo
+
+# xref: https://goreleaser.com/customization/hooks/
+before:
+  hooks:
+    - go mod download
+
+# xref: https://goreleaser.com/customization/env/
+env:
+  - CGO_ENABLED=0
+
+# xref: https://goreleaser.com/customization/build/
 builds:
   - main: ./cmd/podcli
     binary: podcli
@@ -8,9 +23,13 @@ builds:
       - linux
     goarch:
       - amd64
-    env:
-      - CGO_ENABLED=0
+
+# xref: https://goreleaser.com/customization/archive/
 archives:
   - name_template: "{{ .Binary }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
     files:
-      - none*
+      - LICENSE
+
+# xref: https://goreleaser.com/customization/changelog/
+changelog:
+  use: github-native

.notation/README.md

@@ -0,0 +1,15 @@
+# Podinfo signed releases
+
+Podinfo release assets such as the Helm chart and the Flux artifact
+are published to GitHub Container Registry and are signed with
+[Notation](https://github.com/notaryproject/notation).
+
+## Generate signing keys
+
+Generate a new signing key pair:
+
+```sh
+openssl genrsa -out podinfo.key 2048
+openssl req -new -key podinfo.key -out podinfo.csr -config codesign.cnf
+openssl x509 -req -days 1826 -in podinfo.csr -signkey podinfo.key -out notation.crt -extensions v3_req -extfile codesign.cnf
+```

.notation/codesign.cnf

@@ -0,0 +1,18 @@
+[ req ]
+default_bits           = 2048
+default_keyfile        = privatekey.pem
+distinguished_name     = req_distinguished_name
+req_extensions         = v3_req
+prompt                 = no
+
+[ req_distinguished_name ]
+C                      = RO
+ST                     = BU
+L                      = Bucharest
+O                      = Notary
+CN                     = stefanprodan.com
+
+[ v3_req ]
+keyUsage               = critical,digitalSignature
+extendedKeyUsage       = critical,codeSigning
+#subjectKeyIdentifier  = hash

.notation/notation.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

.notation/signingkeys.json

@@ -0,0 +1,10 @@
+{
+    "default": "stefanprodan.com",
+    "keys": [
+        {
+            "name": "stefanprodan.com",
+            "keyPath": "/home/runner/.config/notation/localkeys/notation.key",
+            "certPath": "/home/runner/.config/notation/localkeys/notation.crt"
+        }
+    ]
+}

.notation/trustpolicy.json

@@ -0,0 +1,19 @@
+{
+    "version": "1.0",
+    "trustPolicies": [
+        {
+            "name": "stefanprodan.com",
+            "registryScopes": [
+                "ghcr.io/stefanprodan/podinfo-deploy",
+                "ghcr.io/stefanprodan/charts/podinfo"
+            ],
+            "signatureVerification": {
+                "level" : "strict"
+            },
+            "trustStores": [ "ca:stefanprodan.com" ],
+            "trustedIdentities": [
+                "x509.subject: C=RO, ST=BU, L=Bucharest, O=Notary, CN=stefanprodan.com"
+            ]
+        }
+    ]
+}

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine as builder
+FROM golang:1.26-alpine AS builder
 
 ARG REVISION
 
@@ -18,7 +18,7 @@ RUN CGO_ENABLED=0 go build -ldflags "-s -w \
     -X github.com/stefanprodan/podinfo/pkg/version.REVISION=${REVISION}" \
     -a -o bin/podcli cmd/podcli/*
 
-FROM alpine:3.19
+FROM alpine:3.23
 
 ARG BUILD_DATE
 ARG VERSION

Dockerfile.base

@@ -1,4 +1,4 @@
-FROM golang:1.21
+FROM golang:1.26
 
 WORKDIR /workspace
 

Dockerfile.xx

@@ -1,5 +1,5 @@
-ARG GO_VERSION=1.21
-ARG XX_VERSION=1.3.0
+ARG GO_VERSION=1.26
+ARG XX_VERSION=1.9.0
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
 
@@ -28,7 +28,7 @@ RUN xx-go build -ldflags "-s -w \
     -X github.com/stefanprodan/podinfo/pkg/version.REVISION=${REVISION}" \
     -a -o bin/podcli cmd/podcli/*
 
-FROM alpine:3.19
+FROM alpine:3.23
 
 ARG BUILD_DATE
 ARG VERSION

Makefile

@@ -16,7 +16,7 @@ run:
 	--ui-logo=https://raw.githubusercontent.com/stefanprodan/podinfo/gh-pages/cuddle_clap.gif $(EXTRA_RUN_ARGS)
 
 .PHONY: test
-test:
+test: tidy fmt vet
 	go test ./... -coverprofile cover.out
 
 build:
@@ -24,14 +24,13 @@ build:
 	GIT_COMMIT=$$(git rev-list -1 HEAD) && CGO_ENABLED=0 go build  -ldflags "-s -w -X github.com/stefanprodan/podinfo/pkg/version.REVISION=$(GIT_COMMIT)" -a -o ./bin/podcli ./cmd/podcli/*
 
 tidy:
-	rm -f go.sum; go mod tidy -compat=1.21
+	rm -f go.sum; go mod tidy -compat=1.26
 
 vet:
 	go vet ./...
 
 fmt:
-	gofmt -l -s -w ./
-	goimports -l -w ./
+	go fmt ./...
 
 build-charts:
 	helm lint charts/*
@@ -82,6 +81,11 @@ version-set:
 	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/webapp/backend/deployment.yaml && \
 	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/frontend/deployment.yaml && \
 	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/backend/deployment.yaml && \
+	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/database/statefulset-primary.yaml && \
+	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/database/deployment-replica.yaml && \
+	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/database/cronjob-rollup-daily.yaml && \
+	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/database/cronjob-rollup-weekly.yaml && \
+	/usr/bin/sed -i '' "s/podinfo:$$current/podinfo:$$next/g" deploy/bases/database/cronjob-backup-daily.yaml && \
 	/usr/bin/sed -i '' "s/$$current/$$next/g" timoni/podinfo/values.cue && \
 	echo "Version $$next set in code, deployment, module, chart and kustomize"
 
@@ -93,7 +97,7 @@ swagger:
 	go install github.com/swaggo/swag/cmd/swag@latest
 	go get github.com/swaggo/swag/gen@latest
 	go get github.com/swaggo/swag/cmd/swag@latest
-	cd pkg/api && $$(go env GOPATH)/bin/swag init -g server.go
+	cd pkg/api/http && $$(go env GOPATH)/bin/swag init -g server.go
 
 .PHONY: timoni-build
 timoni-build:

README.md

@@ -22,10 +22,10 @@ Specifications:
 * Swagger docs
 * Timoni, Helm and Kustomize installers
 * End-to-End testing with Kubernetes Kind and Helm
-* Multi-arch container image with Docker buildx and Github Actions
+* Multi-arch container image with Docker buildx and GitHub Actions
 * Container image signing with Sigstore cosign
 * SBOMs and SLSA Provenance embedded in the container image
-* CVE scanning with Trivy
+* CVE scanning with govulncheck
 
 Web API:
 
@@ -57,6 +57,16 @@ Web API:
 gRPC API:
 
 * `/grpc.health.v1.Health/Check` health checking
+* `/grpc.EchoService/Echo` echos the received content
+* `/grpc.VersionService/Version` returns podinfo version and Git commit hash
+* `/grpc.DelayService/Delay` returns a successful response after the given seconds in the body of gRPC request
+* `/grpc.EnvService/Env` returns environment variables as a JSON array
+* `/grpc.HeaderService/Header` returns the headers present in the gRPC request. Any custom header can also be given as a part of request and that can be returned using this API
+* `/grpc.InfoService/Info` returns the runtime information
+* `/grpc.PanicService/Panic` crashes the process with gRPC status code as '1 CANCELLED'
+* `/grpc.StatusService/Status` returns the gRPC Status code given in the request body
+* `/grpc.TokenService/TokenGenerate` issues a JWT token valid for one minute
+* `/grpc.TokenService/TokenValidate` validates the JWT token
 
 Web UI:
 

charts/podinfo/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
-version: 6.5.4
-appVersion: 6.5.4
+version: 6.11.2
+appVersion: 6.11.2
 name: podinfo
 engine: gotpl
 description: Podinfo Helm chart for Kubernetes

charts/podinfo/README.md

@@ -13,24 +13,26 @@ The Podinfo charts are published to
 [GitHub Container Registry](https://github.com/stefanprodan/podinfo/pkgs/container/charts%2Fpodinfo)
 and signed with [Cosign](https://github.com/sigstore/cosign) & GitHub Actions OIDC.
 
-To install the chart with the release name `my-release` from GHCR:
+To install the chart with the release name `podinfo` from GHCR:
 
 ```console
-$ helm upgrade -i my-release oci://ghcr.io/stefanprodan/charts/podinfo
+$ helm upgrade -i podinfo oci://ghcr.io/stefanprodan/charts/podinfo
 ```
 
-To verify a chart with Cosign:
+To verify a chart version with Cosign:
 
 ```console
-$ cosign verify ghcr.io/stefanprodan/charts/podinfo:<VERSION>
+$ cosign verify ghcr.io/stefanprodan/charts/podinfo:<VERSION> \
+  --certificate-oidc-issuer=https://token.actions.githubusercontent.com \
+  --certificate-identity-regexp=^https://github\\.com/stefanprodan/podinfo/.*$
 ```
 
 Alternatively, you can install the chart from GitHub pages:
 
 ```console
-$ helm repo add podinfo https://stefanprodan.github.io/podinfo
+$ helm repo add stefanprodan https://stefanprodan.github.io/podinfo
 
-$ helm upgrade -i my-release podinfo/podinfo
+$ helm upgrade -i podinfo stefanprodan/podinfo
 ```
 
 The command deploys podinfo on the Kubernetes cluster in the default namespace.
@@ -38,10 +40,10 @@ The [configuration](#configuration) section lists the parameters that can be con
 
 ## Uninstalling the Chart
 
-To uninstall/delete the `my-release` deployment:
+To uninstall the `podinfo` release:
 
 ```console
-$ helm delete my-release
+$ helm uninstall podinfo
 ```
 
 The command removes all the Kubernetes components associated with the chart and deletes the release.
@@ -50,81 +52,101 @@ The command removes all the Kubernetes components associated with the chart and
 
 The following tables lists the configurable parameters of the podinfo chart and their default values.
 
-| Parameter                         | Default                | Description                                                                                                            |
-| --------------------------------- | ---------------------- | ---------------------------------------------------------------------------------------------------------------------- |
-| `replicaCount`                    | `1`                    | Desired number of pods                                                                                                 |
-| `logLevel`                        | `info`                 | Log level: `debug`, `info`, `warn`, `error`                                                                            |
-| `backend`                         | `None`                 | Echo backend URL                                                                                                       |
-| `backends`                        | `[]`                   | Array of echo backend URLs                                                                                             |
-| `cache`                           | `None`                 | Redis address in the format `tcp://<host>:<port>`                                                                      |
-| `redis.enabled`                   | `false`                | Create Redis deployment for caching purposes                                                                           |
-| `ui.color`                        | `#34577c`              | UI color                                                                                                               |
-| `ui.message`                      | `None`                 | UI greetings message                                                                                                   |
-| `ui.logo`                         | `None`                 | UI logo                                                                                                                |
-| `faults.delay`                    | `false`                | Random HTTP response delays between 0 and 5 seconds                                                                    |
-| `faults.error`                    | `false`                | 1/3 chances of a random HTTP response error                                                                            |
-| `faults.unhealthy`                | `false`                | When set, the healthy state is never reached                                                                           |
-| `faults.unready`                  | `false`                | When set, the ready state is never reached                                                                             |
-| `faults.testFail`                 | `false`                | When set, a helm test is included which always fails                                                                   |
-| `faults.testTimeout`              | `false`                | When set, a helm test is included which always times out                                                               |
-| `image.repository`                | `stefanprodan/podinfo` | Image repository                                                                                                       |
-| `image.tag`                       | `<VERSION>`            | Image tag                                                                                                              |
-| `image.pullPolicy`                | `IfNotPresent`         | Image pull policy                                                                                                      |
-| `service.enabled`                 | `true`                 | Create a Kubernetes Service, should be disabled when using [Flagger](https://flagger.app)                              |
-| `service.type`                    | `ClusterIP`            | Type of the Kubernetes Service                                                                                         |
-| `service.metricsPort`             | `9797`                 | Prometheus metrics endpoint port                                                                                       |
-| `service.httpPort`                | `9898`                 | Container HTTP port                                                                                                    |
-| `service.externalPort`            | `9898`                 | ClusterIP HTTP port                                                                                                    |
-| `service.grpcPort`                | `9999`                 | ClusterIP gPRC port                                                                                                    |
-| `service.grpcService`             | `podinfo`              | gPRC service name                                                                                                      |
-| `service.nodePort`                | `31198`                | NodePort for the HTTP endpoint                                                                                         |
-| `h2c.enabled`                     | `false`                | Allow upgrading to h2c (non-TLS version of HTTP/2)                                                                     |
-| `hpa.enabled`                     | `false`                | Enables the Kubernetes HPA                                                                                             |
-| `hpa.maxReplicas`                 | `10`                   | Maximum amount of pods                                                                                                 |
-| `hpa.cpu`                         | `None`                 | Target CPU usage per pod                                                                                               |
-| `hpa.memory`                      | `None`                 | Target memory usage per pod                                                                                            |
-| `hpa.requests`                    | `None`                 | Target HTTP requests per second per pod                                                                                |
-| `serviceAccount.enabled`          | `false`                | Whether a service account should be created                                                                            |
-| `serviceAccount.name`             | `None`                 | The name of the service account to use, if not set and create is true, a name is generated using the fullname template |
-| `serviceAccount.imagePullSecrets` | `[]`                   | List of image pull secrets if pulling from private registries.                                                         |
-| `securityContext`                 | `{}`                   | The security context to be set on the podinfo container                                                                |
-| `linkerd.profile.enabled`         | `false`                | Create Linkerd service profile                                                                                         |
-| `serviceMonitor.enabled`          | `false`                | Whether a Prometheus Operator service monitor should be created                                                        |
-| `serviceMonitor.interval`         | `15s`                  | Prometheus scraping interval                                                                                           |
-| `serviceMonitor.additionalLabels` | `{}`                   | Add additional labels to the service monitor                                                                           |
-| `ingress.enabled`                 | `false`                | Enables Ingress                                                                                                        |
-| `ingress.className `              | `""`                   | Use ingressClassName                                                                                                   |
-| `ingress.additionalLabels`        | `{}`                   | Add additional labels to the ingress                                                                                   |
-| `ingress.annotations`             | `{}`                   | Ingress annotations                                                                                                    |
-| `ingress.hosts`                   | `[]`                   | Ingress accepted hosts                                                                                                 |
-| `ingress.tls`                     | `[]`                   | Ingress TLS configuration                                                                                              |
-| `resources.requests.cpu`          | `1m`                   | Pod CPU request                                                                                                        |
-| `resources.requests.memory`       | `16Mi`                 | Pod memory request                                                                                                     |
-| `resources.limits.cpu`            | `None`                 | Pod CPU limit                                                                                                          |
-| `resources.limits.memory`         | `None`                 | Pod memory limit                                                                                                       |
-| `nodeSelector`                    | `{}`                   | Node labels for pod assignment                                                                                         |
-| `tolerations`                     | `[]`                   | List of node taints to tolerate                                                                                        |
-| `affinity`                        | `None`                 | Node/pod affinities                                                                                                    |
-| `podAnnotations`                  | `{}`                   | Pod annotations                                                                                                        |
+| Parameter                                        | Default                        | Description                                                                                       |
+|--------------------------------------------------|--------------------------------|---------------------------------------------------------------------------------------------------|
+| `replicaCount`                                   | `1`                            | Desired number of pods                                                                            |
+| `logLevel`                                       | `info`                         | Log level: `debug`, `info`, `warn`, `error`                                                       |
+| `backend`                                        | `None`                         | Echo backend URL                                                                                  |
+| `backends`                                       | `[]`                           | Array of echo backend URLs                                                                        |
+| `cache`                                          | `None`                         | Redis address in the format `tcp://<host>:<port>`                                                 |
+| `redis.enabled`                                  | `false`                        | Create Redis deployment for caching purposes                                                      |
+| `redis.repository`                               | `docker.io/redis`              | Redis image repository                                                                            |
+| `redis.tag`                                      | `<VERSION>`                    | Redis image tag                                                                                   |
+| `redis.imagePullSecrets`                         | `[]`                           | Redis image pull secrets                                                                          |
+| `ui.color`                                       | `#34577c`                      | UI color                                                                                          |
+| `ui.message`                                     | `None`                         | UI greetings message                                                                              |
+| `ui.logo`                                        | `None`                         | UI logo                                                                                           |
+| `faults.delay`                                   | `false`                        | Random HTTP response delays between 0 and 5 seconds                                               |
+| `faults.error`                                   | `false`                        | 1/3 chances of a random HTTP response error                                                       |
+| `faults.unhealthy`                               | `false`                        | When set, the healthy state is never reached                                                      |
+| `faults.unready`                                 | `false`                        | When set, the ready state is never reached                                                        |
+| `faults.testFail`                                | `false`                        | When set, a helm test is included which always fails                                              |
+| `faults.testTimeout`                             | `false`                        | When set, a helm test is included which always times out                                          |
+| `image.repository`                               | `ghcr.io/stefanprodan/podinfo` | Image repository                                                                                  |
+| `image.tag`                                      | `<VERSION>`                    | Image tag                                                                                         |
+| `image.pullPolicy`                               | `IfNotPresent`                 | Image pull policy                                                                                 |
+| `image.pullSecrets`                              | `[]`                           | Image pull secrets                                                                                |
+| `service.enabled`                                | `true`                         | Create a Kubernetes Service, should be disabled when using [Flagger](https://flagger.app)         |
+| `service.type`                                   | `ClusterIP`                    | Type of the Kubernetes Service                                                                    |
+| `service.metricsPort`                            | `9797`                         | Prometheus metrics endpoint port                                                                  |
+| `service.httpPort`                               | `9898`                         | Container HTTP port                                                                               |
+| `service.externalPort`                           | `9898`                         | ClusterIP HTTP port                                                                               |
+| `service.grpcPort`                               | `9999`                         | ClusterIP gPRC port                                                                               |
+| `service.grpcService`                            | `podinfo`                      | gPRC service name                                                                                 |
+| `service.nodePort`                               | `31198`                        | NodePort for the HTTP endpoint                                                                    |
+| `service.trafficDistribution`                    | `""`                           | Traffic distribution strategy                                                                     |
+| `service.additionalLabels`                       | `{}`                           | Additional labels to add to the service                                                           |
+| `service.externalTrafficPolicy`                  | `None`                         | External traffic policy for LoadBalance service                                                   |
+| `h2c.enabled`                                    | `false`                        | Allow upgrading to h2c (non-TLS version of HTTP/2)                                                |
+| `extraArgs`                                      | `[]`                           | Additional command line arguments to pass to podinfo container                                    |
+| `extraEnvs`                                      | `[]`                           | Extra environment variables for the podinfo container                                             |
+| `config.path`                                    | `""`                           | config file path                                                                                  |
+| `config.name`                                    | `""`                           | config file name                                                                                  |
+| `hpa.enabled`                                    | `false`                        | Enables the Kubernetes HPA                                                                        |
+| `hpa.maxReplicas`                                | `10`                           | Maximum amount of pods                                                                            |
+| `hpa.cpu`                                        | `None`                         | Target CPU usage per pod                                                                          |
+| `hpa.memory`                                     | `None`                         | Target memory usage per pod                                                                       |
+| `hpa.requests`                                   | `None`                         | Target HTTP requests per second per pod                                                           |
+| `serviceAccount.enabled`                         | `false`                        | Whether a service account should be created                                                       |
+| `serviceAccount.name`                            | `None`                         | The name of the service account to use, if not set a name is generated using the fullname template|
+| `serviceAccount.imagePullSecrets`                | `[]`                           | List of image pull secrets if pulling from private registries                                     |
+| `securityContext`                                | `{}`                           | The security context to be set on the podinfo container                                           |
+| `podSecurityContext`                             | `{}`                           | The security context to be set on the pod                                                         |
+| `podAnnotations`                                 | `{}`                           | Pod annotations                                                                                   |
+| `serviceMonitor.enabled`                         | `false`                        | Whether a Prometheus Operator service monitor should be created                                   |
+| `serviceMonitor.interval`                        | `15s`                          | Prometheus scraping interval                                                                      |
+| `serviceMonitor.additionalLabels`                | `{}`                           | Add additional labels to the service monitor                                                      |
+| `ingress.enabled`                                | `false`                        | Enables Ingress                                                                                   |
+| `ingress.className`                              | `""`                           | Use ingressClassName                                                                              |
+| `ingress.additionalLabels`                       | `{}`                           | Add additional labels to the ingress                                                              |
+| `ingress.annotations`                            | `{}`                           | Ingress annotations                                                                               |
+| `ingress.hosts`                                  | `[]`                           | Ingress accepted hosts                                                                            |
+| `ingress.tls`                                    | `[]`                           | Ingress TLS configuration                                                                         |
+| `httpRoute.enabled`                              | `false`                        | Enables Gateway API HTTPRoute                                                                     |
+| `httpRoute.additionalLabels`                     | `{}`                           | Add additional labels to the HTTPRoute                                                            |
+| `httpRoute.annotations`                          | `{}`                           | HTTPRoute annotations                                                                             |
+| `httpRoute.parentRefs`                           | `[]`                           | Gateways that this route is attached to                                                           |
+| `httpRoute.hostnames`                            | `["podinfo.local"]`            | Hostnames matching HTTP header                                                                    |
+| `httpRoute.rules`                                | `[]`                           | List of rules and filters applied                                                                 |
+| `hooks.<hookType>.job.enabled`                   | `false`                        | Create a Helm hook job for testing (hookType: see values.yaml for available hooks)                |
+| `hooks.<hookType>.job.hookDeletePolicy`          | `hook-succeeded,hook-failed`   | Helm hook delete policy                                                                           |
+| `hooks.<hookType>.job.ttlSecondsAfterFinished`   | `None`                         | Job TTL after finished                                                                            |
+| `hooks.<hookType>.job.sleepSeconds`              | `None`                         | Sleep duration before job exits                                                                   |
+| `hooks.<hookType>.job.exitCode`                  | `0`                            | Job exit code                                                                                     |
+| `resources.requests.cpu`                         | `1m`                           | Pod CPU request                                                                                   |
+| `resources.requests.memory`                      | `16Mi`                         | Pod memory request                                                                                |
+| `resources.limits.cpu`                           | `None`                         | Pod CPU limit                                                                                     |
+| `resources.limits.memory`                        | `None`                         | Pod memory limit                                                                                  |
+| `nodeSelector`                                   | `{}`                           | Node labels for pod assignment                                                                    |
+| `tolerations`                                    | `[]`                           | List of node taints to tolerate                                                                   |
+| `affinity`                                       | `None`                         | Node/pod affinities                                                                               |
 
-Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
+Specify each parameter using the `--set key=value[,key=value]` argument:
 
 ```console
-$ helm install my-release podinfo/podinfo \
+$ helm upgrade -i podinfo oci://ghcr.io/stefanprodan/charts/podinfo \
   --set=serviceMonitor.enabled=true,serviceMonitor.interval=5s
 ```
 
 To add custom annotations you need to escape the annotation key string:
 
 ```console
-$ helm upgrade -i my-release podinfo/podinfo \
---set podAnnotations."appmesh\.k8s\.aws\/preview"=enabled
+$ helm upgrade -i podinfo oci://ghcr.io/stefanprodan/charts/podinfo \
+--set podAnnotations."toolkit\.fluxcd\.io\/tenant"=dev-team
 ```
 
-Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart:
 
 ```console
-$ helm install my-release podinfo/podinfo -f values.yaml
+$ helm upgrade -i my-release oci://ghcr.io/stefanprodan/charts/podinfo -f values.yaml
 ```
-
-> **Tip**: You can use the default [values.yaml](values.yaml)

charts/podinfo/templates/NOTES.txt

@@ -6,15 +6,15 @@
   {{- end }}
 {{- end }}
 {{- else if contains "NodePort" .Values.service.type }}
-  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "podinfo.fullname" . }})
-  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  export NODE_PORT=$(kubectl get --namespace {{ include "podinfo.namespace" . }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "podinfo.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ include "podinfo.namespace" . }} -o jsonpath="{.items[0].status.addresses[0].address}")
   echo http://$NODE_IP:$NODE_PORT
 {{- else if contains "LoadBalancer" .Values.service.type }}
      NOTE: It may take a few minutes for the LoadBalancer IP to be available.
            You can watch the status of by running 'kubectl get svc -w {{ template "podinfo.fullname" . }}'
-  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "podinfo.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  export SERVICE_IP=$(kubectl get svc --namespace {{ include "podinfo.namespace" . }} {{ template "podinfo.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
   echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
 {{- else if contains "ClusterIP" .Values.service.type }}
   echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl -n {{ .Release.Namespace }} port-forward deploy/{{ template "podinfo.fullname" . }} 8080:{{ .Values.service.externalPort }}
+  kubectl -n {{ include "podinfo.namespace" . }} port-forward deploy/{{ template "podinfo.fullname" . }} 8080:{{ .Values.service.externalPort }}
 {{- end }}

charts/podinfo/templates/_helpers.tpl

@@ -23,6 +23,13 @@ If release name contains chart name it will be used as a full name.
 {{- end }}
 {{- end }}
 
+{{/*
+Allow the release namespace to be overridden for multi-namespace deployments in combined charts.
+*/}}
+{{- define "podinfo.namespace" -}}
+{{- default .Release.Namespace .Values.namespaceOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
 {{/*
 Create chart name and version as used by the chart label.
 */}}

charts/podinfo/templates/certificate.yaml

@@ -3,6 +3,7 @@ apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: {{ template "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
 spec:

charts/podinfo/templates/deployment.yaml

@@ -2,6 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ template "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
 spec:
@@ -30,6 +31,9 @@ spec:
       {{- if .Values.serviceAccount.enabled }}
       serviceAccountName: {{ template "podinfo.serviceAccountName" . }}
       {{- end }}
+      {{- if .Values.image.pullSecrets }}
+      imagePullSecrets: {{ toYaml .Values.image.pullSecrets | nindent 8 }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
@@ -87,6 +91,15 @@ spec:
             {{- if .Values.h2c.enabled }}
             - --h2c
             {{- end }}
+            {{- with .Values.config.path }}
+            - --config-path={{ . }}
+            {{- end }}
+            {{- with .Values.config.name }}
+            - --config={{ . }}
+            {{- end }}
+            {{- with .Values.extraArgs }}
+              {{- toYaml . | nindent 12 }}
+            {{- end }}
           env:
           {{- if .Values.ui.message }}
           - name: PODINFO_UI_MESSAGE
@@ -104,6 +117,9 @@ spec:
           - name: PODINFO_BACKEND_URL
             value: {{ .Values.backend }}
           {{- end }}
+          {{- if .Values.extraEnvs }}
+{{ toYaml .Values.extraEnvs | indent 10 }}
+          {{- end }}
           ports:
             - name: http
               containerPort: {{ .Values.service.httpPort | default 9898 }}
@@ -183,6 +199,10 @@ spec:
           {{- end }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
+    {{- with .Values.podSecurityContext }}
+      securityContext:
+{{ toYaml . | indent 8 }}
+    {{- end }}
     {{- with .Values.nodeSelector }}
       nodeSelector:
 {{ toYaml . | indent 8 }}
@@ -203,3 +223,7 @@ spec:
         secret:
           secretName: {{ template "podinfo.tlsSecretName" . }}
       {{- end }}
+    {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints:
+{{- toYaml . | nindent 8 }}
+    {{- end }}

charts/podinfo/templates/grpcroute.yaml

@@ -0,0 +1,42 @@
+{{- if .Values.grpcRoute.enabled -}}
+{{- $fullName := include "podinfo.fullname" . -}}
+{{- $grpcPort := .Values.service.grpcPort -}}
+apiVersion: gateway.networking.k8s.io/v1
+kind: GRPCRoute
+metadata:
+  name: {{ $fullName }}
+  namespace: {{ include "podinfo.namespace" . }}
+  labels:
+    {{- include "podinfo.labels" . | nindent 4 }}
+    {{- with .Values.grpcRoute.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.grpcRoute.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  parentRefs:
+    {{- with .Values.grpcRoute.parentRefs }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.grpcRoute.hostnames }}
+  hostnames:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.grpcRoute.rules }}
+    - backendRefs:
+        - name: {{ $fullName }}
+          port: {{ $grpcPort }}
+          weight: 1
+    {{- with .matches }}
+      matches:
+      {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .filters }}
+      filters:
+      {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- end }}
+{{- end }}

charts/podinfo/templates/hooks/job.yaml

@@ -0,0 +1,37 @@
+{{- $hooks := dict "preInstall" "pre-install" "postInstall" "post-install" "preDelete" "pre-delete" "postDelete" "post-delete" "preUpgrade" "pre-upgrade" "postUpgrade" "post-upgrade" "preRollback" "pre-rollback" "postRollback" "post-rollback" }}
+{{- range $hookName, $hookType := $hooks }}
+{{- $hookConfig := index $.Values.hooks $hookName }}
+{{- if and $hookConfig $hookConfig.job $hookConfig.job.enabled }}
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "podinfo.fullname" $ }}-{{ $hookType }}
+  namespace: {{ include "podinfo.namespace" $ }}
+  labels:
+    {{- include "podinfo.labels" $ | nindent 4 }}
+  annotations:
+    "helm.sh/hook": {{ $hookType }}
+    "helm.sh/hook-delete-policy": {{ $hookConfig.job.hookDeletePolicy }}
+spec:
+  {{- if kindIs "float64" $hookConfig.job.ttlSecondsAfterFinished }}
+  ttlSecondsAfterFinished: {{ $hookConfig.job.ttlSecondsAfterFinished | int }}
+  {{- end }}
+  template:
+    spec:
+      containers:
+        - name: job
+          image: "{{ $.Values.image.repository }}:{{ $.Values.image.tag }}"
+          imagePullPolicy: {{ $.Values.image.pullPolicy }}
+          command:
+            - sh
+            - -c
+            - |
+              {{- if kindIs "float64" $hookConfig.job.sleepSeconds }}
+              sleep {{ $hookConfig.job.sleepSeconds | int }}
+              {{- end }}
+              exit {{ $hookConfig.job.exitCode | default 0 }}
+      restartPolicy: Never
+  backoffLimit: 1
+{{- end }}
+{{- end }}

charts/podinfo/templates/hpa.yaml

@@ -3,6 +3,7 @@ apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ template "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}  
 spec:

charts/podinfo/templates/httproute.yaml

@@ -0,0 +1,42 @@
+{{- if .Values.httpRoute.enabled -}}
+{{- $fullName := include "podinfo.fullname" . -}}
+{{- $svcPort := .Values.service.externalPort -}}
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: {{ $fullName }}
+  namespace: {{ include "podinfo.namespace" . }}
+  labels:
+    {{- include "podinfo.labels" . | nindent 4 }}
+    {{- with .Values.httpRoute.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.httpRoute.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  parentRefs:
+    {{- with .Values.httpRoute.parentRefs }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.httpRoute.hostnames }}
+  hostnames:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.httpRoute.rules }}
+    {{- with .matches }}
+    - matches:
+      {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .filters }}
+      filters:
+      {{- toYaml . | nindent 8 }}
+    {{- end }}
+      backendRefs:
+        - name: {{ $fullName }}
+          port: {{ $svcPort }}
+          weight: 1
+    {{- end }}
+{{- end }}

charts/podinfo/templates/ingress.yaml

@@ -5,6 +5,7 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: {{ $fullName }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
     {{- with .Values.ingress.additionalLabels }}

charts/podinfo/templates/linkerd.yaml

@@ -1,98 +0,0 @@
-{{- if .Values.linkerd.profile.enabled -}}
-apiVersion: linkerd.io/v1alpha2
-kind: ServiceProfile
-metadata:
-  name: {{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
-  labels:
-    {{- include "podinfo.labels" . | nindent 4 }}  
-spec:
-  routes:
-    - condition:
-        method: GET
-        pathRegex: /
-      name: GET /
-    - condition:
-        method: POST
-        pathRegex: /api/echo
-      name: POST /api/echo
-    - condition:
-        method: GET
-        pathRegex: /api/info
-      name: GET /api/info
-    - condition:
-        method: GET
-        pathRegex: /chunked/[^/]*
-      name: GET /chunked/{seconds}
-    - condition:
-        method: GET
-        pathRegex: /delay/[^/]*
-      name: GET /delay/{seconds}
-    - condition:
-        method: GET
-        pathRegex: /env
-      name: GET /env
-    - condition:
-        method: GET
-        pathRegex: /headers
-      name: GET /headers
-    - condition:
-        method: GET
-        pathRegex: /healthz
-      name: GET /healthz
-    - condition:
-        method: GET
-        pathRegex: /metrics
-      name: GET /metrics
-    - condition:
-        method: GET
-        pathRegex: /panic
-      name: GET /panic
-    - condition:
-        method: GET
-        pathRegex: /readyz
-      name: GET /readyz
-    - condition:
-        method: POST
-        pathRegex: /readyz/disable
-      name: POST /readyz/disable
-    - condition:
-        method: POST
-        pathRegex: /readyz/enable
-      name: POST /readyz/enable
-    - condition:
-        method: GET
-        pathRegex: /status/[^/]*
-      name: GET /status/{code}
-    - condition:
-        method: POST
-        pathRegex: /cache
-      name: POST /cache
-    - condition:
-        method: GET
-        pathRegex: /cache/[^/]*
-      name: GET /cache/{hash}
-    - condition:
-        method: POST
-        pathRegex: /store
-      name: POST /store
-    - condition:
-        method: GET
-        pathRegex: /store/[^/]*
-      name: GET /store/{hash}
-    - condition:
-        method: POST
-        pathRegex: /token
-      name: POST /token
-    - condition:
-        method: POST
-        pathRegex: /token/validate
-      name: POST /token/validate
-    - condition:
-        method: GET
-        pathRegex: /version
-      name: GET /version
-    - condition:
-        method: POST
-        pathRegex: /ws/echo
-      name: POST /ws/echo
-{{- end }}

charts/podinfo/templates/pdb.yaml

@@ -0,0 +1,14 @@
+{{- if and .Values.podDisruptionBudget (gt (int .Values.replicaCount) 1) }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
+  labels:
+    {{- include "podinfo.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "podinfo.selectorLabels" . | nindent 6 }}
+  {{- toYaml .Values.podDisruptionBudget | nindent 2 }}
+{{- end }}

charts/podinfo/templates/redis/deployment.yaml

@@ -21,6 +21,9 @@ spec:
       {{- if .Values.serviceAccount.enabled }}
       serviceAccountName: {{ template "podinfo.serviceAccountName" . }}
       {{- end }}
+      {{- if .Values.redis.imagePullSecrets }}
+      imagePullSecrets: {{ toYaml .Values.redis.imagePullSecrets | nindent 8 }}
+      {{- end }}
       containers:
         - name: redis
           image: "{{ .Values.redis.repository }}:{{ .Values.redis.tag }}"

charts/podinfo/templates/redis/service.yaml

@@ -14,4 +14,5 @@ spec:
       port: 6379
       protocol: TCP
       targetPort: redis
+      appProtocol: redis
 {{- end }}

charts/podinfo/templates/service.yaml

@@ -3,8 +3,12 @@ apiVersion: v1
 kind: Service
 metadata:
   name: {{ template "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
+    {{- with .Values.service.additionalLabels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
 {{- with .Values.service.annotations }}
   annotations:
 {{ toYaml . | indent 4 }}
@@ -33,4 +37,10 @@ spec:
     {{- end }}
   selector:
     {{- include "podinfo.selectorLabels" . | nindent 4 }}
+  {{- if .Values.service.trafficDistribution }}
+  trafficDistribution: {{ .Values.service.trafficDistribution }}
+  {{- end }}
+  {{- if ( and (.Values.service.externalTrafficPolicy) (eq .Values.service.type "LoadBalancer") ) }}
+  externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy }}
+  {{- end }}
 {{- end }}

charts/podinfo/templates/servicemonitor.yaml

@@ -3,6 +3,7 @@ apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:
   name: {{ template "podinfo.fullname" . }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
     {{- with .Values.serviceMonitor.additionalLabels }}
@@ -15,7 +16,7 @@ spec:
       interval: {{ .Values.serviceMonitor.interval }}
   namespaceSelector:
     matchNames:
-      - {{ .Release.Namespace }}
+      - {{ include "podinfo.namespace" . }}
   selector:
     matchLabels:
       {{- include "podinfo.selectorLabels" . | nindent 6 }}

charts/podinfo/templates/tests/cache.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-cache-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:
@@ -24,6 +25,6 @@ spec:
           curl -s -XDELETE ${PODINFO_SVC}/cache/test
       env:
       - name: PODINFO_SVC
-        value: "{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.externalPort }}"
+        value: "{{ template "podinfo.fullname" . }}.{{ include "podinfo.namespace" . }}:{{ .Values.service.externalPort }}"
   restartPolicy: Never
 {{- end }}

charts/podinfo/templates/tests/fail.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:

charts/podinfo/templates/tests/grpc.yaml

@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-grpc-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:
@@ -15,5 +16,5 @@ spec:
     - name: grpc-health-probe
       image: stefanprodan/grpc_health_probe:v0.3.0
       command: ['grpc_health_probe']
-      args:  ['-addr={{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.grpcPort }}']
+      args:  ['-addr={{ template "podinfo.fullname" . }}.{{ include "podinfo.namespace" . }}:{{ .Values.service.grpcPort }}']
   restartPolicy: Never

charts/podinfo/templates/tests/jwt.yaml

@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-jwt-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:
@@ -22,5 +23,5 @@ spec:
           curl -sH "Authorization: Bearer ${TOKEN}" ${PODINFO_SVC}/token/validate | grep test
       env:
       - name: PODINFO_SVC
-        value: "{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.externalPort }}"
+        value: "{{ template "podinfo.fullname" . }}.{{ include "podinfo.namespace" . }}:{{ .Values.service.externalPort }}"
   restartPolicy: Never

charts/podinfo/templates/tests/service.yaml

@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-service-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:
@@ -21,5 +22,5 @@ spec:
           curl -s ${PODINFO_SVC}/api/info | grep version
       env:
         - name: PODINFO_SVC
-          value: "{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.service.externalPort }}"
+          value: "{{ template "podinfo.fullname" . }}.{{ include "podinfo.namespace" . }}:{{ .Values.service.externalPort }}"
   restartPolicy: Never

charts/podinfo/templates/tests/timeout.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-fault-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:

charts/podinfo/templates/tests/tls.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: {{ template "podinfo.fullname" . }}-tls-test-{{ randAlphaNum 5 | lower }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
   annotations:
@@ -22,6 +23,6 @@ spec:
           curl -sk ${PODINFO_SVC}/api/info | grep version
       env:
         - name: PODINFO_SVC
-          value: "https://{{ template "podinfo.fullname" . }}.{{ .Release.Namespace }}:{{ .Values.tls.port }}"
+          value: "https://{{ template "podinfo.fullname" . }}.{{ include "podinfo.namespace" . }}:{{ .Values.tls.port }}"
   restartPolicy: Never
 {{- end }}

charts/podinfo/values-prod.yaml

@@ -8,7 +8,7 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.5.4
+  tag: 6.11.2
   pullPolicy: IfNotPresent
 
 ui:
@@ -29,6 +29,7 @@ faults:
 service:
   enabled: true
   annotations: {}
+  additionalLabels: { }
   type: ClusterIP
   metricsPort: 9797
   httpPort: 9898
@@ -36,11 +37,23 @@ service:
   grpcPort: 9999
   grpcService: podinfo
   nodePort: 31198
+  trafficDistribution: ""
+  externalTrafficPolicy: ""
 
 # enable h2c protocol (non-TLS version of HTTP/2)
 h2c:
   enabled: false
 
+# config file settings
+config:
+  # config file path
+  path: ""
+  # config file name
+  name: ""
+
+# Additional command line arguments to pass to podinfo container
+extraArgs: []
+
 # enable tls on the podinfo service
 tls:
   enabled: false
@@ -83,7 +96,7 @@ cache: ""
 redis:
   enabled: true
   repository: redis
-  tag: 7.0.7
+  tag: 8.6.1
 
 serviceAccount:
   # Specifies whether a service account should be created
@@ -97,13 +110,19 @@ serviceAccount:
 # set container security context
 securityContext: {}
 
+# set pod security context
+podSecurityContext: {}
+
+# -- Expose the service via Kubernetes Ingress
+# Requires an Ingress controller
+# Docs https://kubernetes.io/docs/concepts/services-networking/ingress/
 ingress:
   enabled: false
   className: ""
   additionalLabels: {}
   annotations: {}
     # kubernetes.io/ingress.class: nginx
-    # kubernetes.io/tls-acme: "true"
+  # kubernetes.io/tls-acme: "true"
   hosts:
     - host: podinfo.local
       paths:
@@ -114,9 +133,30 @@ ingress:
   #    hosts:
   #      - chart-example.local
 
-linkerd:
-  profile:
-    enabled: false
+# -- Expose the service via Gateway HTTPRoute
+# Requires a Gateway controller
+# Docs https://gateway-api.sigs.k8s.io/guides/
+httpRoute:
+  # HTTPRoute enabled.
+  enabled: false
+  # Add additional labels to the HTTPRoute.
+  additionalLabels: {}
+  # HTTPRoute annotations.
+  annotations: {}
+  # Which Gateways this Route is attached to.
+  parentRefs:
+    - name: gateway
+      sectionName: http
+      # namespace: default
+  # Hostnames matching HTTP header.
+  hostnames:
+    - podinfo.local
+  # List of rules and filters applied.
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
 
 # create Prometheus Operator monitor
 serviceMonitor:
@@ -131,6 +171,14 @@ resources:
     cpu: 100m
     memory: 64Mi
 
+# Extra environment variables for the podinfo container
+extraEnvs: []
+# Example on how to configure extraEnvs
+#  - name: OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+#    value: "http://otel:4317"
+#  - name: MULTIPLE_VALUES
+#    value: TEST
+
 nodeSelector: {}
 
 tolerations: []
@@ -138,3 +186,25 @@ tolerations: []
 affinity: {}
 
 podAnnotations: {}
+
+# https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+probes:
+  readiness:
+    initialDelaySeconds: 1
+    timeoutSeconds: 5
+    failureThreshold: 3
+    successThreshold: 1
+    periodSeconds: 10
+  liveness:
+    initialDelaySeconds: 1
+    timeoutSeconds: 5
+    failureThreshold: 3
+    successThreshold: 1
+    periodSeconds: 10
+  startup:
+    enable: false
+    initialDelaySeconds: 10
+    timeoutSeconds: 5
+    failureThreshold: 20
+    successThreshold: 1
+    periodSeconds: 10

charts/podinfo/values.yaml

@@ -8,8 +8,9 @@ backends: []
 
 image:
   repository: ghcr.io/stefanprodan/podinfo
-  tag: 6.5.4
+  tag: 6.11.2
   pullPolicy: IfNotPresent
+  pullSecrets: []
 
 ui:
   color: "#34577c"
@@ -29,6 +30,7 @@ faults:
 service:
   enabled: true
   annotations: {}
+  additionalLabels: { }
   type: ClusterIP
   metricsPort: 9797
   httpPort: 9898
@@ -40,11 +42,32 @@ service:
   # NOTE: requires privileged container with NET_BIND_SERVICE capability -- this is useful for testing
   # in local clusters such as kind without port forwarding
   hostPort:
+  # Stable from Kubernetes v1.33+ with a value of PreferClose. Additional values are PreferSameZone and PreferSameNode from v1.34+. Empty string means it's disabled.
+  trafficDistribution: ""
+  externalTrafficPolicy: ""
 
 # enable h2c protocol (non-TLS version of HTTP/2)
 h2c:
   enabled: false
 
+# config file settings
+config:
+  # config file path
+  path: ""
+  # config file name
+  name: ""
+
+# Additional command line arguments to pass to podinfo container
+extraArgs: []
+
+# Extra environment variables for the podinfo container
+extraEnvs: []
+# Example on how to configure extraEnvs
+#  - name: OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+#    value: "http://otel:4317"
+#  - name: MULTIPLE_VALUES
+#    value: TEST
+
 # enable tls on the podinfo service
 tls:
   enabled: false
@@ -70,6 +93,65 @@ certificate:
   dnsNames:
     - podinfo
 
+# Helm hooks (for testing purposes)
+hooks:
+  preInstall:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  postInstall:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  preDelete:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  postDelete:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  preUpgrade:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  postUpgrade:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  preRollback:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+  postRollback:
+    job:
+      enabled: false
+      hookDeletePolicy: hook-succeeded,hook-failed
+      ttlSecondsAfterFinished:
+      sleepSeconds:
+      exitCode: 0
+
 # metrics-server add-on required
 hpa:
   enabled: false
@@ -86,8 +168,9 @@ cache: ""
 # Redis deployment
 redis:
   enabled: false
-  repository: redis
-  tag: 7.0.7
+  repository: docker.io/redis
+  tag: 8.6.1
+  imagePullSecrets: []
 
 serviceAccount:
   # Specifies whether a service account should be created
@@ -101,6 +184,12 @@ serviceAccount:
 # set container security context
 securityContext: {}
 
+# set pod security context
+podSecurityContext: {}
+
+# -- Expose the service via Kubernetes Ingress
+# Requires an Ingress controller
+# Docs https://kubernetes.io/docs/concepts/services-networking/ingress/
 ingress:
   enabled: false
   className: ""
@@ -118,9 +207,52 @@ ingress:
   #    hosts:
   #      - chart-example.local
 
-linkerd:
-  profile:
-    enabled: false
+# -- Expose the service via Gateway HTTPRoute
+# Requires a Gateway controller
+# Docs https://gateway-api.sigs.k8s.io/guides/
+httpRoute:
+  # HTTPRoute enabled.
+  enabled: false
+  # Add additional labels to the HTTPRoute.
+  additionalLabels: {}
+  # HTTPRoute annotations.
+  annotations: {}
+  # Which Gateways this Route is attached to.
+  parentRefs:
+    - name: gateway
+      sectionName: http
+      # namespace: default
+  # Hostnames matching HTTP header.
+  hostnames:
+    - podinfo.local
+  # List of rules and filters applied.
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+
+# -- Expose the gRPC service via Gateway GRPCRoute
+# Requires a Gateway controller with GRPCRoute support
+# Docs https://gateway-api.sigs.k8s.io/guides/grpc-routing/
+grpcRoute:
+  # GRPCRoute enabled.
+  enabled: false
+  # Add additional labels to the GRPCRoute.
+  additionalLabels: {}
+  # GRPCRoute annotations.
+  annotations: {}
+  # Which Gateways this Route is attached to.
+  parentRefs:
+    - name: gateway
+      sectionName: http
+      # namespace: default
+  # Hostnames matching HTTP header.
+  hostnames:
+    - podinfo.local
+  # List of rules applied.
+  rules:
+    - {}
 
 # create Prometheus Operator monitor
 serviceMonitor:
@@ -142,6 +274,13 @@ affinity: {}
 
 podAnnotations: {}
 
+# https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
+topologySpreadConstraints: []
+
+# Disruption budget will be configured only when the replicaCount is greater than 1
+podDisruptionBudget: {}
+#  maxUnavailable: 1
+
 # https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
 probes:
   readiness:

cloudbuild.yaml

@@ -1,4 +0,0 @@
-steps:
-- name: 'gcr.io/cloud-builders/docker'
-  args: ['build','-f' , 'Dockerfile', '-t', 'gcr.io/$PROJECT_ID/podinfo:$BRANCH_NAME-$SHORT_SHA', '.']
-images: ['gcr.io/$PROJECT_ID/podinfo:$BRANCH_NAME-$SHORT_SHA']

cmd/podcli/check.go

@@ -12,10 +12,13 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gorilla/websocket"
 	"github.com/spf13/cobra"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/health/grpc_health_v1"
 	"google.golang.org/grpc/status"
 )
@@ -27,6 +30,7 @@ var (
 	body            string
 	timeout         time.Duration
 	grpcServiceName string
+	grpcTLS         bool
 )
 
 var checkCmd = &cobra.Command{
@@ -63,6 +67,13 @@ var checkgRPCCmd = &cobra.Command{
 	RunE:    runCheckgPRC,
 }
 
+var checkWsCmd = &cobra.Command{
+	Use:     `ws [address]`,
+	Short:   "WebSocket round-trip health check",
+	Example: `  check ws ws://localhost:9898/ws/echo --retry=1 --delay=2s --timeout=5s`,
+	RunE:    runCheckWs,
+}
+
 func init() {
 	checkUrlCmd.Flags().StringVar(&method, "method", "GET", "HTTP method")
 	checkUrlCmd.Flags().StringVar(&body, "body", "", "HTTP POST/PUT content")
@@ -80,10 +91,16 @@ func init() {
 	checkgRPCCmd.Flags().DurationVar(&retryDelay, "delay", 1*time.Second, "wait duration between retries")
 	checkgRPCCmd.Flags().DurationVar(&timeout, "timeout", 5*time.Second, "timeout")
 	checkgRPCCmd.Flags().StringVar(&grpcServiceName, "service", "", "gRPC service name")
+	checkgRPCCmd.Flags().BoolVar(&grpcTLS, "tls", false, "use TLS for gRPC connection")
 	checkCmd.AddCommand(checkgRPCCmd)
 
 	checkCmd.AddCommand(checkCertCmd)
 
+	checkWsCmd.Flags().IntVar(&retryCount, "retry", 0, "times to retry the WebSocket check")
+	checkWsCmd.Flags().DurationVar(&retryDelay, "delay", 1*time.Second, "wait duration between retries")
+	checkWsCmd.Flags().DurationVar(&timeout, "timeout", 5*time.Second, "timeout")
+	checkCmd.AddCommand(checkWsCmd)
+
 	rootCmd.AddCommand(checkCmd)
 }
 
@@ -262,6 +279,72 @@ func fmtContentLength(b int64) string {
 	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMGTPE"[exp])
 }
 
+func runCheckWs(cmd *cobra.Command, args []string) error {
+	if retryCount < 0 {
+		return fmt.Errorf("--retry is required")
+	}
+	if len(args) < 1 {
+		return fmt.Errorf("address is required! example: check ws wss://localhost:9898/ws/echo")
+	}
+
+	address := args[0]
+	if !strings.HasPrefix(address, "ws://") && !strings.HasPrefix(address, "wss://") {
+		return fmt.Errorf("address must start with ws:// or wss://")
+	}
+
+	for n := 0; n <= retryCount; n++ {
+		if n != 0 {
+			time.Sleep(retryDelay)
+		}
+
+		dialer := websocket.Dialer{
+			HandshakeTimeout: timeout,
+		}
+
+		conn, _, err := dialer.Dial(address, nil)
+		if err != nil {
+			logger.Info("check failed",
+				zap.String("address", address),
+				zap.Error(err))
+			continue
+		}
+
+		msg := "podinfo-check"
+		start := time.Now()
+
+		conn.SetWriteDeadline(start.Add(timeout))
+		if err := conn.WriteMessage(websocket.TextMessage, []byte(msg)); err != nil {
+			conn.Close()
+			logger.Info("check failed",
+				zap.String("address", address),
+				zap.Error(err))
+			continue
+		}
+
+		conn.SetReadDeadline(time.Now().Add(timeout))
+		_, resp, err := conn.ReadMessage()
+		if err != nil {
+			conn.Close()
+			logger.Info("check failed",
+				zap.String("address", address),
+				zap.Error(err))
+			continue
+		}
+
+		rtt := time.Since(start)
+		conn.Close()
+
+		logger.Info("check succeed",
+			zap.String("address", address),
+			zap.Duration("round-trip", rtt),
+			zap.Int("response size", len(resp)))
+		os.Exit(0)
+	}
+
+	os.Exit(1)
+	return nil
+}
+
 func runCheckgPRC(cmd *cobra.Command, args []string) error {
 	if retryCount < 0 {
 		return fmt.Errorf("--retry is required")
@@ -271,12 +354,19 @@ func runCheckgPRC(cmd *cobra.Command, args []string) error {
 	}
 	address := args[0]
 
+	var creds grpc.DialOption
+	if grpcTLS {
+		creds = grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{}))
+	} else {
+		creds = grpc.WithTransportCredentials(insecure.NewCredentials())
+	}
+
 	for n := 0; n <= retryCount; n++ {
-		if n != 1 {
+		if n != 0 {
 			time.Sleep(retryDelay)
 		}
 
-		conn, err := grpc.Dial(address, grpc.WithInsecure())
+		conn, err := grpc.NewClient(address, creds)
 		if err != nil {
 			logger.Info("check failed",
 				zap.String("address", address),
@@ -291,13 +381,14 @@ func runCheckgPRC(cmd *cobra.Command, args []string) error {
 
 		if err != nil {
 			if stat, ok := status.FromError(err); ok && stat.Code() == codes.Unimplemented {
-				logger.Info("gPRC health protocol not implemented")
+				logger.Info("gRPC health protocol not implemented")
 				os.Exit(1)
 			} else {
 				logger.Info("check failed",
 					zap.String("address", address),
 					zap.Error(err))
 			}
+			conn.Close()
 			continue
 		}
 
@@ -305,7 +396,6 @@ func runCheckgPRC(cmd *cobra.Command, args []string) error {
 		logger.Info("check succeed",
 			zap.String("status", resp.GetStatus().String()))
 		os.Exit(0)
-
 	}
 
 	os.Exit(1)

cmd/podinfo/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -10,11 +11,16 @@ import (
 
 	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
+	"go.opentelemetry.io/contrib/bridges/otelzap"
+	"go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc"
+	sdklog "go.opentelemetry.io/otel/sdk/log"
+	"go.opentelemetry.io/otel/sdk/resource"
+	semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 
-	"github.com/stefanprodan/podinfo/pkg/api"
-	"github.com/stefanprodan/podinfo/pkg/grpc"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc"
+	"github.com/stefanprodan/podinfo/pkg/api/http"
 	"github.com/stefanprodan/podinfo/pkg/signals"
 	"github.com/stefanprodan/podinfo/pkg/version"
 	go_grpc "google.golang.org/grpc"
@@ -53,7 +59,7 @@ func main() {
 	fs.Int("stress-cpu", 0, "number of CPU cores with 100 load")
 	fs.Int("stress-memory", 0, "MB of data to load into memory")
 	fs.String("cache-server", "", "Redis address in the format 'tcp://<host>:<port>'")
-	fs.String("otel-service-name", "", "service name for reporting to open telemetry address, when not set tracing is disabled")
+	fs.String("otel-service-name", "", "service name for OpenTelemetry, when not set tracing and log export are disabled")
 
 	versionFlag := fs.BoolP("version", "v", false, "get version number")
 
@@ -93,8 +99,18 @@ func main() {
 		}
 	}
 
+	// initialize OTel log provider if service name is set
+	var loggerProvider *sdklog.LoggerProvider
+	if otelServiceName := viper.GetString("otel-service-name"); otelServiceName != "" {
+		var err error
+		loggerProvider, err = initLoggerProvider(context.Background(), otelServiceName)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error initializing OTel log provider: %s\n", err.Error())
+		}
+	}
+
 	// configure logging
-	logger, _ := initZap(viper.GetString("level"))
+	logger, _ := initZap(viper.GetString("level"), loggerProvider)
 	defer logger.Sync()
 	stdLog := zap.RedirectStdLog(logger)
 	defer stdLog()
@@ -138,11 +154,13 @@ func main() {
 	var grpcServer *go_grpc.Server
 	if grpcCfg.Port > 0 {
 		grpcSrv, _ := grpc.NewServer(&grpcCfg, logger)
+		//grpcinfoSrv, _ := grpc.NewInfoServer(&grpcCfg)
+
 		grpcServer = grpcSrv.ListenAndServe()
 	}
 
 	// load HTTP server config
-	var srvCfg api.Config
+	var srvCfg http.Config
 	if err := viper.Unmarshal(&srvCfg); err != nil {
 		logger.Panic("config unmarshal failed", zap.Error(err))
 	}
@@ -155,16 +173,35 @@ func main() {
 	)
 
 	// start HTTP server
-	srv, _ := api.NewServer(&srvCfg, logger)
+	srv, _ := http.NewServer(&srvCfg, logger)
 	httpServer, httpsServer, healthy, ready := srv.ListenAndServe()
 
 	// graceful shutdown
 	stopCh := signals.SetupSignalHandler()
 	sd, _ := signals.NewShutdown(srvCfg.ServerShutdownTimeout, logger)
+	sd.SetLoggerProvider(loggerProvider)
 	sd.Graceful(stopCh, httpServer, httpsServer, grpcServer, healthy, ready)
 }
 
-func initZap(logLevel string) (*zap.Logger, error) {
+func initLoggerProvider(ctx context.Context, serviceName string) (*sdklog.LoggerProvider, error) {
+	exporter, err := otlploggrpc.New(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("creating OTLP log exporter: %w", err)
+	}
+
+	provider := sdklog.NewLoggerProvider(
+		sdklog.WithProcessor(sdklog.NewBatchProcessor(exporter)),
+		sdklog.WithResource(resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceNameKey.String(serviceName),
+			semconv.ServiceVersionKey.String(version.VERSION),
+		)),
+	)
+
+	return provider, nil
+}
+
+func initZap(logLevel string, loggerProvider *sdklog.LoggerProvider) (*zap.Logger, error) {
 	level := zap.NewAtomicLevelAt(zapcore.InfoLevel)
 	switch logLevel {
 	case "debug":
@@ -208,7 +245,21 @@ func initZap(logLevel string) (*zap.Logger, error) {
 		ErrorOutputPaths: []string{"stderr"},
 	}
 
-	return zapConfig.Build()
+	logger, err := zapConfig.Build()
+	if err != nil {
+		return nil, err
+	}
+
+	if loggerProvider != nil {
+		otelCore := otelzap.NewCore("github.com/stefanprodan/podinfo",
+			otelzap.WithLoggerProvider(loggerProvider),
+		)
+		logger = logger.WithOptions(zap.WrapCore(func(core zapcore.Core) zapcore.Core {
+			return zapcore.NewTee(core, otelCore)
+		}))
+	}
+
+	return logger, nil
 }
 
 var stressMemoryPayload []byte

deploy/bases/backend/deployment.yaml

@@ -12,18 +12,18 @@ spec:
     type: RollingUpdate
   selector:
     matchLabels:
-      app: backend
+      app.kubernetes.io/name: backend
   template:
     metadata:
       annotations:
         prometheus.io/scrape: "true"
         prometheus.io/port: "9797"
       labels:
-        app: backend
+        app.kubernetes.io/name: backend
     spec:
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http
@@ -42,7 +42,7 @@ spec:
         - --grpc-port=9999
         - --grpc-service-name=backend
         - --level=info
-        - --cache-server=cache:6379
+        - --cache-server=tcp://cache:6379
         env:
         - name: PODINFO_UI_COLOR
           value: "#34577c"

deploy/bases/backend/service.yaml

@@ -5,7 +5,7 @@ metadata:
 spec:
   type: ClusterIP
   selector:
-    app: backend
+    app.kubernetes.io/name: backend
   ports:
     - name: http
       port: 9898

deploy/bases/cache/deployment.yaml

@@ -5,15 +5,15 @@ metadata:
 spec:
   selector:
     matchLabels:
-      app: cache
+      app.kubernetes.io/name: cache
   template:
     metadata:
       labels:
-        app: cache
+        app.kubernetes.io/name: cache
     spec:
       containers:
         - name: redis
-          image: redis:7.0.7
+          image: docker.io/redis:8.6.1
           imagePullPolicy: IfNotPresent
           command:
             - redis-server

deploy/bases/cache/service.yaml

@@ -5,7 +5,7 @@ metadata:
 spec:
   type: ClusterIP
   selector:
-    app: cache
+    app.kubernetes.io/name: cache
   ports:
     - name: redis
       port: 6379

deploy/bases/database/README.md

@@ -0,0 +1,76 @@
+# Database Setup
+
+This directory contains the Kubernetes manifests to simulate a database setup
+with a primary database, read replicas, and scheduled maintenance tasks using CronJobs.
+
+## Components
+
+### Core Resources
+
+| Resource | File | Description |
+|----------|------|-------------|
+| ServiceAccount | `serviceaccount.yaml` | Shared service account for all database workloads |
+| PVC | `pvc-primary.yaml` | 1Gi persistent storage for primary database |
+| StatefulSet | `statefulset-primary.yaml` | Primary database with persistent storage at `/data` |
+| Deployment | `deployment-replica.yaml` | Read replica deployment |
+| Service (Headless) | `service-primary.yaml` | Headless service for StatefulSet |
+| Service | `service-replica.yaml` | ClusterIP service for replicas |
+| HPA | `hpa-replica.yaml` | Autoscaler for replicas (2-3 pods, 99% CPU) |
+
+### CronJobs
+
+| CronJob | Schedule | Duration | TTL Cleanup | Description |
+|---------|----------|----------|-------------|-------------|
+| `rollup-daily` | Every 10 min | ~1 min | 1 hour | Daily rollup simulation (6 iterations) |
+| `rollup-weekly` | Every 30 min | ~2 min | 1 day | Weekly rollup simulation (12 iterations) |
+| `backup-daily` | Daily at midnight | ~1 min | 1 day | Backup simulation (configured to fail) |
+
+### Scripts
+
+Located in `scripts/` directory:
+
+- `rollup.sh` - Rollup simulation script with configurable steps via `ROLLUP_STEPS` env var
+- `backup.sh` - Backup simulation script with configurable exit code via `BACKUP_EXIT` env var
+
+## Labels
+
+All resources use Kubernetes recommended labels:
+
+- `app.kubernetes.io/name` - Component name
+- `app.kubernetes.io/part-of: database` - Part of database application
+
+## Configuration
+
+### Primary Database
+- **Port**: 3306 (MySQL standard)
+- **Storage**: 1Gi PersistentVolumeClaim mounted at `/data`
+- **Service**: Headless (`clusterIP: None`) for StatefulSet
+
+### Replica Database
+- **Port**: 3306
+- **Scaling**: HPA with 2-3 replicas at 99% CPU utilization
+- **Service**: ClusterIP
+
+### CronJob Scripts
+
+The scripts check database-replica health before running:
+
+```sh
+podcli check http database-replica:3306/readyz
+```
+
+## Usage
+
+Deploy with Kustomize:
+
+```bash
+kubectl apply -k deploy/bases/database
+```
+
+Or include in an overlay:
+
+```yaml
+# kustomization.yaml
+resources:
+  - ../../bases/database
+```

deploy/bases/database/cronjob-backup-daily.yaml

@@ -0,0 +1,48 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: backup-daily
+spec:
+  # Runs every day at midnight for 1 minute
+  schedule: "0 0 * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      # Cleanup after 1 day
+      ttlSecondsAfterFinished: 86400
+      backoffLimit: 1
+      template:
+        metadata:
+          labels:
+            app.kubernetes.io/name: backup-daily
+            app.kubernetes.io/part-of: database
+        spec:
+          serviceAccountName: database
+          restartPolicy: Never
+          containers:
+          - name: backup
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
+            imagePullPolicy: IfNotPresent
+            command:
+            - /bin/sh
+            - /scripts/backup.sh
+            env:
+            - name: BACKUP_EXIT
+              value: "1"
+            resources:
+              limits:
+                cpu: 100m
+                memory: 32Mi
+              requests:
+                cpu: 10m
+                memory: 16Mi
+            volumeMounts:
+            - name: scripts
+              mountPath: /scripts
+          volumes:
+          - name: scripts
+            configMap:
+              name: backup-script
+              defaultMode: 0755

deploy/bases/database/cronjob-rollup-daily.yaml

@@ -0,0 +1,48 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: rollup-daily
+spec:
+  # Runs every 10 minutes for 1 minute
+  schedule: "*/10 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      # Cleanup after 1 hour
+      ttlSecondsAfterFinished: 3600
+      backoffLimit: 3
+      template:
+        metadata:
+          labels:
+            app.kubernetes.io/name: rollup-daily
+            app.kubernetes.io/part-of: database
+        spec:
+          serviceAccountName: database
+          restartPolicy: OnFailure
+          containers:
+          - name: healthcheck
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
+            imagePullPolicy: IfNotPresent
+            command:
+            - /bin/sh
+            - /scripts/rollup.sh
+            env:
+            - name: ROLLUP_STEPS
+              value: "6"
+            resources:
+              limits:
+                cpu: 100m
+                memory: 32Mi
+              requests:
+                cpu: 10m
+                memory: 16Mi
+            volumeMounts:
+            - name: scripts
+              mountPath: /scripts
+          volumes:
+          - name: scripts
+            configMap:
+              name: rollup-script
+              defaultMode: 0755

deploy/bases/database/cronjob-rollup-weekly.yaml

@@ -0,0 +1,48 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: rollup-weekly
+spec:
+  # Runs every 30 minutes for 2 minutes
+  schedule: "*/30 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 1
+  failedJobsHistoryLimit: 1
+  jobTemplate:
+    spec:
+      # Cleanup after 1 day
+      ttlSecondsAfterFinished: 86400
+      backoffLimit: 3
+      template:
+        metadata:
+          labels:
+            app.kubernetes.io/name: rollup-weekly
+            app.kubernetes.io/part-of: database
+        spec:
+          serviceAccountName: database
+          restartPolicy: OnFailure
+          containers:
+          - name: healthcheck
+            image: ghcr.io/stefanprodan/podinfo:6.11.2
+            imagePullPolicy: IfNotPresent
+            command:
+            - /bin/sh
+            - /scripts/rollup.sh
+            env:
+            - name: ROLLUP_STEPS
+              value: "12"
+            resources:
+              limits:
+                cpu: 100m
+                memory: 32Mi
+              requests:
+                cpu: 10m
+                memory: 16Mi
+            volumeMounts:
+            - name: scripts
+              mountPath: /scripts
+          volumes:
+          - name: scripts
+            configMap:
+              name: rollup-script
+              defaultMode: 0755

deploy/bases/database/deployment-replica.yaml

@@ -0,0 +1,66 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: database-replica
+spec:
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  progressDeadlineSeconds: 60
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: database-replica
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app.kubernetes.io/name: database-replica
+        app.kubernetes.io/part-of: database
+    spec:
+      serviceAccountName: database
+      containers:
+      - name: database
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: db
+          containerPort: 3306
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=3306
+        - --port-metrics=9797
+        - --level=info
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:3306/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:3306/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi

deploy/bases/database/hpa-replica.yaml

@@ -0,0 +1,18 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: database-replica
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: database-replica
+  minReplicas: 2
+  maxReplicas: 3
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 99

deploy/bases/database/kustomization.yaml

@@ -0,0 +1,24 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - serviceaccount.yaml
+  - pvc-primary.yaml
+  - statefulset-primary.yaml
+  - deployment-replica.yaml
+  - service-primary.yaml
+  - service-replica.yaml
+  - hpa-replica.yaml
+  - cronjob-rollup-daily.yaml
+  - cronjob-rollup-weekly.yaml
+  - cronjob-backup-daily.yaml
+configMapGenerator:
+  - name: rollup-script
+    files:
+      - scripts/rollup.sh
+    options:
+      disableNameSuffixHash: true
+  - name: backup-script
+    files:
+      - scripts/backup.sh
+    options:
+      disableNameSuffixHash: true

deploy/bases/database/pvc-primary.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: database-primary
+spec:
+  accessModes:
+  - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi

deploy/bases/database/scripts/backup.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+# This is a simulation of a backup process.
+
+EXIT_CODE=${BACKUP_EXIT:-0}
+
+echo "Starting backup (estimated run time: 60s)"
+podcli check http database-replica:3306/readyz
+sleep 60
+echo "Backup finished"
+exit $EXIT_CODE

deploy/bases/database/scripts/rollup.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+
+# This is a simulation of a rollup process.
+
+STEPS=${ROLLUP_STEPS:-6}
+echo "Starting rollup with $STEPS steps (estimated run time: $((STEPS * 10))s)"
+podcli check http database-replica:3306/readyz
+i=1
+while [ $i -le $STEPS ]; do
+  echo "Running rollup iteration $i of $STEPS"
+  sleep 10
+  i=$((i + 1))
+done
+echo "Rollup finished"

deploy/bases/database/service-primary.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: database-primary
+spec:
+  type: ClusterIP
+  clusterIP: None
+  selector:
+    app.kubernetes.io/name: database-primary
+  ports:
+    - name: db
+      port: 3306
+      protocol: TCP
+      targetPort: db

deploy/bases/database/service-replica.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: database-replica
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: database-replica
+  ports:
+    - name: db
+      port: 3306
+      protocol: TCP
+      targetPort: db

deploy/bases/database/serviceaccount.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: database

deploy/bases/database/statefulset-primary.yaml

@@ -0,0 +1,70 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: database-primary
+spec:
+  serviceName: database-primary
+  replicas: 1
+  minReadySeconds: 3
+  revisionHistoryLimit: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: database-primary
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "9797"
+      labels:
+        app.kubernetes.io/name: database-primary
+        app.kubernetes.io/part-of: database
+    spec:
+      serviceAccountName: database
+      containers:
+      - name: database
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
+        imagePullPolicy: IfNotPresent
+        ports:
+        - name: db
+          containerPort: 3306
+          protocol: TCP
+        - name: http-metrics
+          containerPort: 9797
+          protocol: TCP
+        command:
+        - ./podinfo
+        - --port=3306
+        - --port-metrics=9797
+        - --level=info
+        livenessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:3306/healthz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        readinessProbe:
+          exec:
+            command:
+            - podcli
+            - check
+            - http
+            - localhost:3306/readyz
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          limits:
+            cpu: 2000m
+            memory: 512Mi
+          requests:
+            cpu: 100m
+            memory: 32Mi
+        volumeMounts:
+        - name: data
+          mountPath: /data
+      volumes:
+      - name: data
+        persistentVolumeClaim:
+          claimName: database-primary

deploy/bases/frontend/deployment.yaml

@@ -12,18 +12,18 @@ spec:
     type: RollingUpdate
   selector:
     matchLabels:
-      app: frontend
+      app.kubernetes.io/name: frontend
   template:
     metadata:
       annotations:
         prometheus.io/scrape: "true"
         prometheus.io/port: "9797"
       labels:
-        app: frontend
+        app.kubernetes.io/name: frontend
     spec:
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http
@@ -41,7 +41,7 @@ spec:
         - --port-metrics=9797
         - --level=info
         - --backend-url=http://backend:9898/echo
-        - --cache-server=cache:6379
+        - --cache-server=tcp://cache:6379
         env:
         - name: PODINFO_UI_COLOR
           value: "#34577c"

deploy/bases/frontend/service.yaml

@@ -5,7 +5,7 @@ metadata:
 spec:
   type: ClusterIP
   selector:
-    app: frontend
+    app.kubernetes.io/name: frontend
   ports:
     - name: http
       port: 80

deploy/overlays/dev/kustomization.yaml

@@ -5,6 +5,7 @@ resources:
   - ../../bases/backend
   - ../../bases/frontend
   - ../../bases/cache
+  - ../../bases/database
   - namespace.yaml
 transformers:
   - labels.yaml

deploy/overlays/dev/labels.yaml

@@ -3,8 +3,8 @@ kind: LabelTransformer
 metadata:
   name: labels
 labels:
-  env: dev
-  instance: webapp
+  app.kubernetes.io/environment: dev
+  app.kubernetes.io/instance: webapp
 fieldSpecs:
   - path: metadata/labels
     create: true

deploy/overlays/production/kustomization.yaml

@@ -5,6 +5,7 @@ resources:
   - ../../bases/backend
   - ../../bases/frontend
   - ../../bases/cache
+  - ../../bases/database
   - namespace.yaml
 transformers:
   - labels.yaml

deploy/overlays/production/labels.yaml

@@ -3,8 +3,8 @@ kind: LabelTransformer
 metadata:
   name: labels
 labels:
-  env: production
-  instance: webapp
+  app.kubernetes.io/environment: production
+  app.kubernetes.io/instance: webapp
 fieldSpecs:
   - path: metadata/labels
     create: true

deploy/overlays/staging/kustomization.yaml

@@ -5,6 +5,7 @@ resources:
   - ../../bases/backend
   - ../../bases/frontend
   - ../../bases/cache
+  - ../../bases/database
   - namespace.yaml
 transformers:
   - labels.yaml

deploy/overlays/staging/labels.yaml

@@ -3,8 +3,8 @@ kind: LabelTransformer
 metadata:
   name: labels
 labels:
-  env: staging
-  instance: webapp
+  app.kubernetes.io/environment: staging
+  app.kubernetes.io/instance: webapp
 fieldSpecs:
   - path: metadata/labels
     create: true

deploy/webapp/backend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: backend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

deploy/webapp/frontend/deployment.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccountName: webapp
       containers:
       - name: frontend
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

go.mod

@@ -1,89 +1,86 @@
 module github.com/stefanprodan/podinfo
 
-go 1.21
+go 1.26.0
 
 require (
 	github.com/chzyer/readline v1.5.1
-	github.com/fatih/color v1.16.0
-	github.com/fsnotify/fsnotify v1.7.0
-	github.com/golang-jwt/jwt/v4 v4.5.0
-	github.com/gomodule/redigo v1.8.9
+	github.com/fatih/color v1.18.0
+	github.com/fsnotify/fsnotify v1.9.0
+	github.com/golang-jwt/jwt/v4 v4.5.2
+	github.com/gomodule/redigo v1.9.3
 	github.com/gorilla/mux v1.8.1
-	github.com/gorilla/websocket v1.5.1
-	github.com/prometheus/client_golang v1.17.0
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.18.1
+	github.com/gorilla/websocket v1.5.3
+	github.com/prometheus/client_golang v1.23.2
+	github.com/spf13/cobra v1.10.2
+	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
 	github.com/swaggo/http-swagger v1.3.4
-	github.com/swaggo/swag v1.16.2
-	go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.46.1
-	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.46.1
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1
-	go.opentelemetry.io/contrib/propagators/aws v1.21.1
-	go.opentelemetry.io/contrib/propagators/b3 v1.21.1
-	go.opentelemetry.io/contrib/propagators/jaeger v1.21.1
-	go.opentelemetry.io/contrib/propagators/ot v1.21.1
-	go.opentelemetry.io/otel v1.21.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.21.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.21.0
-	go.opentelemetry.io/otel/sdk v1.21.0
-	go.opentelemetry.io/otel/trace v1.21.0
-	go.uber.org/zap v1.26.0
-	golang.org/x/net v0.19.0
-	google.golang.org/grpc v1.60.0
+	github.com/swaggo/swag v1.16.6
+	go.opentelemetry.io/contrib/bridges/otelzap v0.15.0
+	go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.65.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.65.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.65.0
+	go.opentelemetry.io/contrib/propagators/aws v1.40.0
+	go.opentelemetry.io/contrib/propagators/b3 v1.40.0
+	go.opentelemetry.io/contrib/propagators/jaeger v1.40.0
+	go.opentelemetry.io/contrib/propagators/ot v1.40.0
+	go.opentelemetry.io/otel v1.40.0
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.16.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.40.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.40.0
+	go.opentelemetry.io/otel/sdk v1.40.0
+	go.opentelemetry.io/otel/sdk/log v0.16.0
+	go.opentelemetry.io/otel/trace v1.40.0
+	go.uber.org/zap v1.27.1
+	golang.org/x/net v0.51.0
+	google.golang.org/grpc v1.79.3
+	google.golang.org/protobuf v1.36.11
 )
 
-// Fix CVE-2022-32149
-replace golang.org/x/text => golang.org/x/text v0.14.0
-
-// Fix CVE-2022-28948
-replace gopkg.in/yaml.v3 => gopkg.in/yaml.v3 v3.0.1
-
 require (
 	github.com/KyleBanks/depth v1.2.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/go-logr/logr v1.3.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.20.0 // indirect
-	github.com/go-openapi/spec v0.20.6 // indirect
-	github.com/go-openapi/swag v0.19.15 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/go-openapi/jsonpointer v0.21.1 // indirect
+	github.com/go-openapi/jsonreference v0.21.0 // indirect
+	github.com/go-openapi/spec v0.21.0 // indirect
+	github.com/go-openapi/swag v0.23.1 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.7 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mailru/easyjson v0.9.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
-	github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 // indirect
-	github.com/prometheus/common v0.44.0 // indirect
-	github.com/prometheus/procfs v0.11.1 // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.66.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/swaggo/files v0.0.0-20220610200504-28940afbdbfe // indirect
-	go.opentelemetry.io/otel/metric v1.21.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
+	github.com/swaggo/files v1.0.1 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/otel/log v0.16.0 // indirect
+	go.opentelemetry.io/otel/metric v1.40.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/sys v0.15.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.13.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/mod v0.33.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/tools v0.42.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260128011058-8636f8732409 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -2,242 +2,227 @@ github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
+github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
 github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
 github.com/chzyer/readline v1.5.1 h1:upd/6fQk4src78LMRzh5vItIt361/o4uq553V8B5sGI=
 github.com/chzyer/readline v1.5.1/go.mod h1:Eh+b79XXUwfKfcPLepksvw2tcLE/Ct21YObkaSkeBlk=
 github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
 github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
-github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
-github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
-github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
-github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
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kustomize/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: podinfod
-        image: ghcr.io/stefanprodan/podinfo:6.5.4
+        image: ghcr.io/stefanprodan/podinfo:6.11.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http
@@ -72,3 +72,9 @@ spec:
           requests:
             cpu: 100m
             memory: 64Mi
+        volumeMounts:
+          - name: data
+            mountPath: /data
+      volumes:
+        - name: data
+          emptyDir: {}

kustomize/kustomization.yaml

@@ -4,4 +4,3 @@ resources:
   - hpa.yaml
   - deployment.yaml
   - service.yaml
-

otel/README.md

@@ -1,27 +1,34 @@
-# Tracing Demo
+# Tracing & Logging Demo
 
 The directory contains sample [OpenTelemetry Collector](https://github.com/open-telemetry/opentelemetry-collector)
-and [Jaeger](https://www.jaegertracing.io) configurations for a tracing demo.
+and [Jaeger](https://www.jaegertracing.io) / [Loki](https://grafana.com/oss/loki/) configurations for a tracing and logging demo.
 
 ## Configuration
 
-The provided [docker-compose.yaml](docker-compose.yaml) sets up 4 Containers
+The provided [docker-compose.yaml](docker-compose.yaml) sets up 6 containers:
 
 1. PodInfo Frontend on port 9898
 2. PodInfo Backend on port 9899
 3. OpenTelemetry Collector listening on port 4317 for GRPC
-4. Jaeger all-in-one listening on multiple ports
+4. Jaeger all-in-one with UI on port 16686
+5. Loki on port 3100
+6. Grafana on port 3000
 
 ## How does it work?
 
-The frontend pods are configured to call onto the backend pods. Both the podinfo
-pods are configured to send traces over to the collector at port 4317 using GRPC.
-The collector forwards all received spans to Jaeger over port 14250 and Jaeger
-exposes a UI over port `16686`.
+The frontend pod is configured to call the backend pod. Both podinfo pods send traces
+and logs to the collector at port 4317 using OTLP gRPC.
+
+The collector forwards:
+- **Traces** to Jaeger via OTLP gRPC on port 4317
+- **Logs** to Loki via OTLP HTTP on port 3100
+
+Jaeger exposes its UI on port `16686`. Grafana exposes its UI on port `3000` and is
+pre-configured with both Jaeger and Loki as datasources.
 
 ## Running it locally
 
-1. Start all the Containers
+1. Start all the containers
 ```shell
 make run
 ```
@@ -30,8 +37,9 @@ make run
 curl -v http://localhost:9898/status/200
 curl -X POST -v http://localhost:9898/api/echo
 ```
-3. Visit `http://localhost:16686/` to see the spans
-4. Stop all the containers
+3. Visit `http://localhost:16686/` to see traces in Jaeger
+4. Visit `http://localhost:3000/` to explore logs in Grafana (Explore → Loki) and traces (Explore → Jaeger)
+5. Stop all the containers
 ```shell
 make stop
 ```

otel/docker-compose.yaml

@@ -5,31 +5,38 @@ services:
     build: ..
     command: ./podinfo --backend-url http://podinfo_backend:9899/status/200 --otel-service-name=podinfo_frontend
     environment:
-      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otel:4317
+      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel:4317
     ports:
       - "9898:9898"
   podinfo_backend:
     build: ..
     command: ./podinfo --port 9899 --otel-service-name=podinfo_backend
     environment:
-      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otel:4317
+      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otel:4317
     ports:
       - "9899:9899"
   otel:
     command: --config otel-config.yaml
-    image: otel/opentelemetry-collector:0.41.0
+    image: otel/opentelemetry-collector-contrib:0.116.1
     ports:
       - "4317:4317"
     volumes:
       - ${PWD}/otel-config.yaml:/otel-config.yaml
-  jaeger:
-    image: jaegertracing/all-in-one:1.29.0
+  loki:
+    image: grafana/loki:3.0.0
+    ports:
+      - "3100:3100"
+    command: -config.file=/etc/loki/local-config.yaml
+  grafana:
+    image: grafana/grafana:10.4.0
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+    volumes:
+      - ${PWD}/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml
+  jaeger:
+    image: jaegertracing/all-in-one:1.57.0
     ports:
-      - "5775:5775/udp"
-      - "6831:6831/udp"
-      - "6832:6832/udp"
-      - "5778:5778"
       - "16686:16686"
-      - "14268:14268"
-      - "14250:14250"
-      - "9411:9411"

otel/grafana-datasources.yaml

@@ -0,0 +1,10 @@
+apiVersion: 1
+
+datasources:
+  - name: Loki
+    type: loki
+    url: http://loki:3100
+    isDefault: true
+  - name: Jaeger
+    type: jaeger
+    url: http://jaeger:16686

otel/otel-config.yaml

@@ -2,15 +2,18 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
 
 processors:
 
 exporters:
-  jaeger:
-    endpoint: jaeger:14250
+  otlp/jaeger:
+    endpoint: jaeger:4317
     tls:
       insecure: true
+  otlphttp/loki:
+    endpoint: http://loki:3100/otlp
 
 extensions:
   health_check:
@@ -23,4 +26,8 @@ service:
     traces:
       receivers: [otlp]
       processors: []
-      exporters: [jaeger]
+      exporters: [otlp/jaeger]
+    logs:
+      receivers: [otlp]
+      processors: []
+      exporters: [otlphttp/loki]

pkg/api/grpc/delay.go

@@ -0,0 +1,21 @@
+package grpc
+
+import (
+	"context"
+	"time"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/delay"
+	"go.uber.org/zap"
+)
+
+type DelayServer struct {
+	pb.UnimplementedDelayServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *DelayServer) Delay(ctx context.Context, delayInput *pb.DelayRequest) (*pb.DelayResponse, error) {
+
+	time.Sleep(time.Duration(delayInput.Seconds) * time.Second)
+	return &pb.DelayResponse{Message: delayInput.Seconds}, nil
+}

pkg/api/grpc/delay/delay.pb.go

@@ -0,0 +1,211 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v4.25.0
+// source: delay/delay.proto
+
+package delay
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type DelayRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Seconds int64 `protobuf:"varint,1,opt,name=seconds,proto3" json:"seconds,omitempty"`
+}
+
+func (x *DelayRequest) Reset() {
+	*x = DelayRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_delay_delay_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DelayRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DelayRequest) ProtoMessage() {}
+
+func (x *DelayRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_delay_delay_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DelayRequest.ProtoReflect.Descriptor instead.
+func (*DelayRequest) Descriptor() ([]byte, []int) {
+	return file_delay_delay_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *DelayRequest) GetSeconds() int64 {
+	if x != nil {
+		return x.Seconds
+	}
+	return 0
+}
+
+type DelayResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Message int64 `protobuf:"varint,1,opt,name=message,proto3" json:"message,omitempty"`
+}
+
+func (x *DelayResponse) Reset() {
+	*x = DelayResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_delay_delay_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DelayResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DelayResponse) ProtoMessage() {}
+
+func (x *DelayResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_delay_delay_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DelayResponse.ProtoReflect.Descriptor instead.
+func (*DelayResponse) Descriptor() ([]byte, []int) {
+	return file_delay_delay_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *DelayResponse) GetMessage() int64 {
+	if x != nil {
+		return x.Message
+	}
+	return 0
+}
+
+var File_delay_delay_proto protoreflect.FileDescriptor
+
+var file_delay_delay_proto_rawDesc = []byte{
+	0x0a, 0x11, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x2f, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x12, 0x05, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x22, 0x28, 0x0a, 0x0c, 0x44, 0x65,
+	0x6c, 0x61, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x18, 0x0a, 0x07, 0x73, 0x65,
+	0x63, 0x6f, 0x6e, 0x64, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x73, 0x65, 0x63,
+	0x6f, 0x6e, 0x64, 0x73, 0x22, 0x29, 0x0a, 0x0d, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32,
+	0x44, 0x0a, 0x0c, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12,
+	0x34, 0x0a, 0x05, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x12, 0x13, 0x2e, 0x64, 0x65, 0x6c, 0x61, 0x79,
+	0x2e, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x14, 0x2e,
+	0x64, 0x65, 0x6c, 0x61, 0x79, 0x2e, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x09, 0x5a, 0x07, 0x2e, 0x2f, 0x64, 0x65, 0x6c, 0x61, 0x79,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_delay_delay_proto_rawDescOnce sync.Once
+	file_delay_delay_proto_rawDescData = file_delay_delay_proto_rawDesc
+)
+
+func file_delay_delay_proto_rawDescGZIP() []byte {
+	file_delay_delay_proto_rawDescOnce.Do(func() {
+		file_delay_delay_proto_rawDescData = protoimpl.X.CompressGZIP(file_delay_delay_proto_rawDescData)
+	})
+	return file_delay_delay_proto_rawDescData
+}
+
+var file_delay_delay_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_delay_delay_proto_goTypes = []interface{}{
+	(*DelayRequest)(nil),  // 0: delay.DelayRequest
+	(*DelayResponse)(nil), // 1: delay.DelayResponse
+}
+var file_delay_delay_proto_depIdxs = []int32{
+	0, // 0: delay.DelayService.Delay:input_type -> delay.DelayRequest
+	1, // 1: delay.DelayService.Delay:output_type -> delay.DelayResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_delay_delay_proto_init() }
+func file_delay_delay_proto_init() {
+	if File_delay_delay_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_delay_delay_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DelayRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_delay_delay_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DelayResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_delay_delay_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_delay_delay_proto_goTypes,
+		DependencyIndexes: file_delay_delay_proto_depIdxs,
+		MessageInfos:      file_delay_delay_proto_msgTypes,
+	}.Build()
+	File_delay_delay_proto = out.File
+	file_delay_delay_proto_rawDesc = nil
+	file_delay_delay_proto_goTypes = nil
+	file_delay_delay_proto_depIdxs = nil
+}

pkg/api/grpc/delay/delay.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+option go_package = "./delay";
+
+package delay;
+
+message DelayRequest {
+    int64 seconds = 1;
+}
+
+message DelayResponse {
+    int64 message = 1;
+}
+
+service DelayService {
+    rpc Delay (DelayRequest) returns (DelayResponse) {}
+}

pkg/api/grpc/delay/delay_grpc.pb.go

@@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v4.25.0
+// source: delay/delay.proto
+
+package delay
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// DelayServiceClient is the client API for DelayService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type DelayServiceClient interface {
+	Delay(ctx context.Context, in *DelayRequest, opts ...grpc.CallOption) (*DelayResponse, error)
+}
+
+type delayServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewDelayServiceClient(cc grpc.ClientConnInterface) DelayServiceClient {
+	return &delayServiceClient{cc}
+}
+
+func (c *delayServiceClient) Delay(ctx context.Context, in *DelayRequest, opts ...grpc.CallOption) (*DelayResponse, error) {
+	out := new(DelayResponse)
+	err := c.cc.Invoke(ctx, "/delay.DelayService/Delay", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// DelayServiceServer is the server API for DelayService service.
+// All implementations must embed UnimplementedDelayServiceServer
+// for forward compatibility
+type DelayServiceServer interface {
+	Delay(context.Context, *DelayRequest) (*DelayResponse, error)
+	mustEmbedUnimplementedDelayServiceServer()
+}
+
+// UnimplementedDelayServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedDelayServiceServer struct {
+}
+
+func (UnimplementedDelayServiceServer) Delay(context.Context, *DelayRequest) (*DelayResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Delay not implemented")
+}
+func (UnimplementedDelayServiceServer) mustEmbedUnimplementedDelayServiceServer() {}
+
+// UnsafeDelayServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to DelayServiceServer will
+// result in compilation errors.
+type UnsafeDelayServiceServer interface {
+	mustEmbedUnimplementedDelayServiceServer()
+}
+
+func RegisterDelayServiceServer(s grpc.ServiceRegistrar, srv DelayServiceServer) {
+	s.RegisterService(&DelayService_ServiceDesc, srv)
+}
+
+func _DelayService_Delay_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DelayRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DelayServiceServer).Delay(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/delay.DelayService/Delay",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DelayServiceServer).Delay(ctx, req.(*DelayRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// DelayService_ServiceDesc is the grpc.ServiceDesc for DelayService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var DelayService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "delay.DelayService",
+	HandlerType: (*DelayServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Delay",
+			Handler:    _DelayService_Delay_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "delay/delay.proto",
+}

pkg/api/grpc/delay_test.go

@@ -0,0 +1,75 @@
+package grpc
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net"
+	"regexp"
+	"strconv"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/delay"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcDelay(t *testing.T) {
+
+	// Server initialization
+	// bufconn => uses in-memory connection instead of system network I/O
+	lis := bufconn.Listen(1024 * 1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	delay.RegisterDelayServiceServer(srv, &DelayServer{})
+
+	go func() {
+		if err := srv.Serve(lis); err != nil {
+			log.Fatalf("srv.Serve %v", err)
+		}
+	}()
+
+	// - Test
+	dialer := func(context.Context, string) (net.Conn, error) {
+		return lis.Dial()
+	}
+
+	ctx := context.Background()
+
+	conn, err := grpc.DialContext(ctx, "", grpc.WithContextDialer(dialer), grpc.WithInsecure())
+	t.Cleanup(func() {
+		conn.Close()
+	})
+
+	if err != nil {
+		t.Fatalf("grpc.DialContext %v", err)
+	}
+
+	client := delay.NewDelayServiceClient(conn)
+	res, err := client.Delay(context.Background(), &delay.DelayRequest{Seconds: 3})
+
+	// Check the status code is what we expect.
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Delay returned type %T, want %T", err, status.Error)
+	}
+
+	if res != nil {
+		fmt.Printf("res %v\n", res)
+	}
+
+	// Check the response body is what we expect. Here we expect the response to be "3" as the delay is set to 3 seconds.
+	expected := "3"
+	r := regexp.MustCompile(expected)
+	if !r.MatchString(strconv.FormatInt(res.Message, 10)) {
+		t.Fatalf("Returned unexpected body:\ngot \n%v \nwant \n%s",
+			res.Message, expected)
+	}
+}

pkg/api/grpc/echo.go

@@ -0,0 +1,20 @@
+package grpc
+
+import (
+	"context"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/echo"
+	"go.uber.org/zap"
+)
+
+type echoServer struct {
+	echo.UnimplementedEchoServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *echoServer) Echo(ctx context.Context, message *echo.Message) (*echo.Message, error) {
+
+	s.logger.Info("Received message body from client:", zap.String("input body", message.Body))
+	return &echo.Message{Body: message.Body}, nil
+}

pkg/api/grpc/echo/echo.pb.go

@@ -0,0 +1,146 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v4.24.3
+// source: echo/echo.proto
+
+package echo
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Message struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Body string `protobuf:"bytes,1,opt,name=body,proto3" json:"body,omitempty"`
+}
+
+func (x *Message) Reset() {
+	*x = Message{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_echo_echo_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Message) ProtoMessage() {}
+
+func (x *Message) ProtoReflect() protoreflect.Message {
+	mi := &file_echo_echo_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Message.ProtoReflect.Descriptor instead.
+func (*Message) Descriptor() ([]byte, []int) {
+	return file_echo_echo_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Message) GetBody() string {
+	if x != nil {
+		return x.Body
+	}
+	return ""
+}
+
+var File_echo_echo_proto protoreflect.FileDescriptor
+
+var file_echo_echo_proto_rawDesc = []byte{
+	0x0a, 0x0f, 0x65, 0x63, 0x68, 0x6f, 0x2f, 0x65, 0x63, 0x68, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x04, 0x65, 0x63, 0x68, 0x6f, 0x22, 0x1d, 0x0a, 0x07, 0x4d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x62, 0x6f, 0x64, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x04, 0x62, 0x6f, 0x64, 0x79, 0x32, 0x35, 0x0a, 0x0b, 0x45, 0x63, 0x68, 0x6f, 0x53, 0x65,
+	0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x26, 0x0a, 0x04, 0x45, 0x63, 0x68, 0x6f, 0x12, 0x0d, 0x2e,
+	0x65, 0x63, 0x68, 0x6f, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x1a, 0x0d, 0x2e, 0x65,
+	0x63, 0x68, 0x6f, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x00, 0x42, 0x08, 0x5a,
+	0x06, 0x2e, 0x2f, 0x65, 0x63, 0x68, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_echo_echo_proto_rawDescOnce sync.Once
+	file_echo_echo_proto_rawDescData = file_echo_echo_proto_rawDesc
+)
+
+func file_echo_echo_proto_rawDescGZIP() []byte {
+	file_echo_echo_proto_rawDescOnce.Do(func() {
+		file_echo_echo_proto_rawDescData = protoimpl.X.CompressGZIP(file_echo_echo_proto_rawDescData)
+	})
+	return file_echo_echo_proto_rawDescData
+}
+
+var file_echo_echo_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_echo_echo_proto_goTypes = []interface{}{
+	(*Message)(nil), // 0: echo.Message
+}
+var file_echo_echo_proto_depIdxs = []int32{
+	0, // 0: echo.EchoService.Echo:input_type -> echo.Message
+	0, // 1: echo.EchoService.Echo:output_type -> echo.Message
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_echo_echo_proto_init() }
+func file_echo_echo_proto_init() {
+	if File_echo_echo_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_echo_echo_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Message); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_echo_echo_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_echo_echo_proto_goTypes,
+		DependencyIndexes: file_echo_echo_proto_depIdxs,
+		MessageInfos:      file_echo_echo_proto_msgTypes,
+	}.Build()
+	File_echo_echo_proto = out.File
+	file_echo_echo_proto_rawDesc = nil
+	file_echo_echo_proto_goTypes = nil
+	file_echo_echo_proto_depIdxs = nil
+}

pkg/api/grpc/echo/echo.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+option go_package = "./echo";
+
+package echo;
+
+message Message {
+    string body = 1;
+}
+
+
+service EchoService {
+    rpc Echo(Message) returns (Message) {}
+}

pkg/api/grpc/echo/echo_grpc.pb.go

@@ -0,0 +1,109 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.24.3
+// source: echo/echo.proto
+
+package echo
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+const (
+	EchoService_Echo_FullMethodName = "/echo.EchoService/Echo"
+)
+
+// EchoServiceClient is the client API for EchoService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type EchoServiceClient interface {
+	Echo(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Message, error)
+}
+
+type echoServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewEchoServiceClient(cc grpc.ClientConnInterface) EchoServiceClient {
+	return &echoServiceClient{cc}
+}
+
+func (c *echoServiceClient) Echo(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Message, error) {
+	out := new(Message)
+	err := c.cc.Invoke(ctx, EchoService_Echo_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// EchoServiceServer is the server API for EchoService service.
+// All implementations must embed UnimplementedEchoServiceServer
+// for forward compatibility
+type EchoServiceServer interface {
+	Echo(context.Context, *Message) (*Message, error)
+	mustEmbedUnimplementedEchoServiceServer()
+}
+
+// UnimplementedEchoServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedEchoServiceServer struct {
+}
+
+func (UnimplementedEchoServiceServer) Echo(context.Context, *Message) (*Message, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Echo not implemented")
+}
+func (UnimplementedEchoServiceServer) mustEmbedUnimplementedEchoServiceServer() {}
+
+// UnsafeEchoServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to EchoServiceServer will
+// result in compilation errors.
+type UnsafeEchoServiceServer interface {
+	mustEmbedUnimplementedEchoServiceServer()
+}
+
+func RegisterEchoServiceServer(s grpc.ServiceRegistrar, srv EchoServiceServer) {
+	s.RegisterService(&EchoService_ServiceDesc, srv)
+}
+
+func _EchoService_Echo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Message)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EchoServiceServer).Echo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: EchoService_Echo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EchoServiceServer).Echo(ctx, req.(*Message))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// EchoService_ServiceDesc is the grpc.ServiceDesc for EchoService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var EchoService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "echo.EchoService",
+	HandlerType: (*EchoServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Echo",
+			Handler:    _EchoService_Echo_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "echo/echo.proto",
+}

pkg/api/grpc/echo_test.go

@@ -0,0 +1,65 @@
+package grpc
+
+import (
+	"context"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/echo"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcEcho(t *testing.T) {
+
+	lis := bufconn.Listen(1024 * 1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	s := NewMockGrpcServer()
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	echo.RegisterEchoServiceServer(srv, &echoServer{config: s.config, logger: s.logger})
+
+	go func() {
+		if err := srv.Serve(lis); err != nil {
+			log.Fatalf("srv.Serve %v", err)
+		}
+	}()
+
+	dialer := func(context.Context, string) (net.Conn, error) {
+		return lis.Dial()
+	}
+
+	ctx := context.Background()
+
+	conn, err := grpc.DialContext(ctx, "", grpc.WithContextDialer(dialer), grpc.WithInsecure())
+	t.Cleanup(func() {
+		conn.Close()
+	})
+
+	if err != nil {
+		t.Fatalf("grpc.DialContext %v", err)
+	}
+
+	client := echo.NewEchoServiceClient(conn)
+	res, err := client.Echo(context.Background(), &echo.Message{Body: "test123-test"})
+
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Echo returned type %T, want %T", err, status.Error)
+	}
+
+	expected := ".*body.*test123-test.*"
+	r := regexp.MustCompile(expected)
+	if !r.MatchString(res.String()) {
+		t.Fatalf("Returned unexpected body:\ngot \n%v \nwant \n%s",
+			res, expected)
+	}
+}

pkg/api/grpc/env.go

@@ -0,0 +1,19 @@
+package grpc
+
+import (
+	"context"
+	"go.uber.org/zap"
+	"os"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/env"
+)
+
+type EnvServer struct {
+	pb.UnimplementedEnvServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *EnvServer) Env(ctx context.Context, envInput *pb.EnvRequest) (*pb.EnvResponse, error) {
+	return &pb.EnvResponse{EnvVars: os.Environ()}, nil
+}

pkg/api/grpc/env/env.pb.go

@@ -0,0 +1,199 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v4.25.0
+// source: env/env.proto
+
+package env
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type EnvRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *EnvRequest) Reset() {
+	*x = EnvRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_env_env_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EnvRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EnvRequest) ProtoMessage() {}
+
+func (x *EnvRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_env_env_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EnvRequest.ProtoReflect.Descriptor instead.
+func (*EnvRequest) Descriptor() ([]byte, []int) {
+	return file_env_env_proto_rawDescGZIP(), []int{0}
+}
+
+type EnvResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	EnvVars []string `protobuf:"bytes,1,rep,name=envVars,proto3" json:"envVars,omitempty"`
+}
+
+func (x *EnvResponse) Reset() {
+	*x = EnvResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_env_env_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EnvResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EnvResponse) ProtoMessage() {}
+
+func (x *EnvResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_env_env_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EnvResponse.ProtoReflect.Descriptor instead.
+func (*EnvResponse) Descriptor() ([]byte, []int) {
+	return file_env_env_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *EnvResponse) GetEnvVars() []string {
+	if x != nil {
+		return x.EnvVars
+	}
+	return nil
+}
+
+var File_env_env_proto protoreflect.FileDescriptor
+
+var file_env_env_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x65, 0x6e, 0x76, 0x2f, 0x65, 0x6e, 0x76, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x03, 0x65, 0x6e, 0x76, 0x22, 0x0c, 0x0a, 0x0a, 0x45, 0x6e, 0x76, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x22, 0x27, 0x0a, 0x0b, 0x45, 0x6e, 0x76, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x76, 0x56, 0x61, 0x72, 0x73, 0x18, 0x01, 0x20, 0x03,
+	0x28, 0x09, 0x52, 0x07, 0x65, 0x6e, 0x76, 0x56, 0x61, 0x72, 0x73, 0x32, 0x38, 0x0a, 0x0a, 0x45,
+	0x6e, 0x76, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x2a, 0x0a, 0x03, 0x45, 0x6e, 0x76,
+	0x12, 0x0f, 0x2e, 0x65, 0x6e, 0x76, 0x2e, 0x45, 0x6e, 0x76, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x1a, 0x10, 0x2e, 0x65, 0x6e, 0x76, 0x2e, 0x45, 0x6e, 0x76, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x07, 0x5a, 0x05, 0x2e, 0x2f, 0x65, 0x6e, 0x76, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_env_env_proto_rawDescOnce sync.Once
+	file_env_env_proto_rawDescData = file_env_env_proto_rawDesc
+)
+
+func file_env_env_proto_rawDescGZIP() []byte {
+	file_env_env_proto_rawDescOnce.Do(func() {
+		file_env_env_proto_rawDescData = protoimpl.X.CompressGZIP(file_env_env_proto_rawDescData)
+	})
+	return file_env_env_proto_rawDescData
+}
+
+var file_env_env_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_env_env_proto_goTypes = []interface{}{
+	(*EnvRequest)(nil),  // 0: env.EnvRequest
+	(*EnvResponse)(nil), // 1: env.EnvResponse
+}
+var file_env_env_proto_depIdxs = []int32{
+	0, // 0: env.EnvService.Env:input_type -> env.EnvRequest
+	1, // 1: env.EnvService.Env:output_type -> env.EnvResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_env_env_proto_init() }
+func file_env_env_proto_init() {
+	if File_env_env_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_env_env_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*EnvRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_env_env_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*EnvResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_env_env_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_env_env_proto_goTypes,
+		DependencyIndexes: file_env_env_proto_depIdxs,
+		MessageInfos:      file_env_env_proto_msgTypes,
+	}.Build()
+	File_env_env_proto = out.File
+	file_env_env_proto_rawDesc = nil
+	file_env_env_proto_goTypes = nil
+	file_env_env_proto_depIdxs = nil
+}

pkg/api/grpc/env/env.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+option go_package = "./env";
+
+package env;
+
+message EnvRequest {}
+
+message EnvResponse {
+    repeated string envVars = 1;
+}
+
+service EnvService {
+    rpc Env (EnvRequest) returns (EnvResponse) {}
+}