Merge pull request #453 from stefanprodan/release-6.10.2

Release 6.10.2

.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"
+  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 ${IMAGE} .
-          echo "image=$IMAGE" >> $GITHUB_OUTPUT
-      - name: Run Trivy vulnerability scanner
-        uses: aquasecurity/trivy-action@master
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
+      - name: Vulnerability scan
+        id: govulncheck
+        uses: golang/govulncheck-action@v1
         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

@@ -14,9 +14,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
+      - name: Disk Cleanup
+        uses: ./.github/actions/runner-cleanup
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.9.0
+        uses: helm/kind-action@v1.14.0
         with:
           cluster_name: kind
       - name: Build container image
@@ -24,9 +26,9 @@ jobs:
           ./test/build.sh
           kind load docker-image test/podinfo:latest
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
-          version: v3.14.3
+          version: v4.1.0
       - name: Deploy
         run: ./test/deploy.sh
       - name: Run integration tests
@@ -47,12 +49,12 @@ jobs:
       PODINFO_MODULE_URL: "oci://localhost:5000/podinfo"
       PODINFO_VERSION: "0.0.0-devel"
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Timoni
         uses: stefanprodan/timoni/actions/setup@main
       - name: Setup Kubernetes
-        uses: helm/kind-action@v1.9.0
+        uses: helm/kind-action@v1.14.0
         with:
           cluster_name: kind
       - name: Build container

.github/workflows/release.yml

@@ -16,10 +16,13 @@ jobs:
       id-token: write # needed for keyless signing
       packages: write # needed for ghcr access
     steps:
-      - uses: actions/checkout@v4
-      - uses: sigstore/cosign-installer@v3
-      - uses: fluxcd/flux2/action@main
-      - uses: stefanprodan/timoni/actions/setup@main
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
+      - uses: sigstore/cosign-installer@v4.0.0
+        with:
+          cosign-release: v2.6.1
+      - uses: fluxcd/flux2/action@v2.8.1
+      - uses: stefanprodan/timoni/actions/setup@v0.26.0
       - name: Setup Notation CLI
         uses: notaryproject/notation-action/setup@v1
         with:
@@ -33,13 +36,13 @@ jobs:
         env:
           NOTATION_KEY: ${{ secrets.NOTATION_SIGNING_KEY }}
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
-          go-version: 1.22.x
+          go-version: 1.26.x
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
-          version: v3.14.3
+          version: v4.1.1
       - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
         with:
@@ -79,7 +82,7 @@ jobs:
             type=raw,value=${{ steps.prep.outputs.VERSION }}
             type=raw,value=latest
       - name: Publish multi-arch image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           sbom: true
           provenance: true
@@ -122,7 +125,7 @@ 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@v6
         with:
           push: true
           builder: ${{ steps.buildx.outputs.name }}
@@ -156,15 +159,10 @@ jobs:
           notation sign --signature-format cose ghcr.io/stefanprodan/manifests/podinfo:${{ 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
-      - uses: ./.github/actions/release-notes
-      - name: Generate release notes
-        run: |
-          echo 'CHANGELOG' > /tmp/release.txt
-          github-release-notes -org stefanprodan -repo podinfo -since-latest-release >> /tmp/release.txt
       - name: Publish release
-        uses: goreleaser/goreleaser-action@v5
+        uses: goreleaser/goreleaser-action@v7
         with:
           version: latest
-          args: release --release-notes=/tmp/release.txt --skip-validate
+          args: release --skip=validate
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.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@v6
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
-          go-version: 1.22.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@v4
         with:
           version: v${{ env.KUBERNETES_VERSION }}
       - name: Setup kubeconform
         uses: ./.github/actions/kubeconform
       - name: Setup Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4
         with:
-          version: v3.14.3
+          version: v${{ env.HELM_VERSION }}
       - name: Setup CUE
-        uses: cue-lang/setup-cue@v1.0.0
+        uses: cue-lang/setup-cue@v1.0.1
       - name: Setup Timoni
-        uses: stefanprodan/timoni/actions/setup@main
+        uses: stefanprodan/timoni/actions/setup@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"

.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

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.22-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:1.22
+FROM golang:1.26
 
 WORKDIR /workspace
 

Dockerfile.xx

@@ -1,5 +1,5 @@
-ARG GO_VERSION=1.22
-ARG XX_VERSION=1.4.0
+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=1.22
+	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

@@ -25,7 +25,7 @@ Specifications:
 * 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:
 
@@ -59,6 +59,14 @@ 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: 6.6.1
-appVersion: 6.6.1
+version: 6.10.2
+appVersion: 6.10.2
 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.
@@ -50,85 +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)                                                                     |
-| `extraEnvs`                       | `[]`                   | Extra environment variables for the podinfo container |
-| `config.path`                     | `""`                   | config file path                                                                                                       |
-| `config.name`                     | `""`                   | config file name                                                                                                       |
-| `extraArgs`                       | `[]`                   | Additional command line arguments to pass to podinfo container                                                         |
-| `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 }}"
@@ -195,6 +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 }}
@@ -218,4 +226,4 @@ spec:
     {{- with .Values.topologySpreadConstraints }}
       topologySpreadConstraints:
 {{- toYaml . | nindent 8 }}
-    {{- 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

@@ -3,7 +3,7 @@ apiVersion: policy/v1
 kind: PodDisruptionBudget
 metadata:
   name: {{ include "podinfo.fullname" . }}
-  namespace: {{ .Release.Namespace }}
+  namespace: {{ include "podinfo.namespace" . }}
   labels:
     {{- include "podinfo.labels" . | nindent 4 }}
 spec:

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: 6.6.1
+  tag: 6.10.2
   pullPolicy: IfNotPresent
 
 ui:
@@ -29,6 +29,7 @@ faults:
 service:
   enabled: true
   annotations: {}
+  additionalLabels: { }
   type: ClusterIP
   metricsPort: 9797
   httpPort: 9898
@@ -36,6 +37,8 @@ service:
   grpcPort: 9999
   grpcService: podinfo
   nodePort: 31198
+  trafficDistribution: ""
+  externalTrafficPolicy: ""
 
 # enable h2c protocol (non-TLS version of HTTP/2)
 h2c:
@@ -93,7 +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
@@ -107,13 +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:
@@ -124,9 +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:
@@ -156,3 +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: 6.6.1
+  tag: 6.10.2
   pullPolicy: IfNotPresent
+  pullSecrets: []
 
 ui:
   color: "#34577c"
@@ -29,6 +30,7 @@ faults:
 service:
   enabled: true
   annotations: {}
+  additionalLabels: { }
   type: ClusterIP
   metricsPort: 9797
   httpPort: 9898
@@ -40,6 +42,9 @@ 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:
@@ -55,6 +60,14 @@ config:
 # 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
@@ -80,6 +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
@@ -96,8 +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
@@ -111,6 +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: ""
@@ -128,9 +207,30 @@ 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:
@@ -144,14 +244,6 @@ resources:
     cpu: 1m
     memory: 16Mi
 
-# 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: []

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/podinfo/main.go

@@ -139,7 +139,7 @@ func main() {
 	if grpcCfg.Port > 0 {
 		grpcSrv, _ := grpc.NewServer(&grpcCfg, logger)
 		//grpcinfoSrv, _ := grpc.NewInfoServer(&grpcCfg)
-		
+
 		grpcServer = grpcSrv.ListenAndServe()
 	}
 

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:6.6.1
+        image: ghcr.io/stefanprodan/podinfo:6.10.2
         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:6.10.2
+            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:6.10.2
+            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:6.10.2
+            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:6.10.2
+        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:6.10.2
+        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:6.6.1
+        image: ghcr.io/stefanprodan/podinfo:6.10.2
         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:6.6.1
+        image: ghcr.io/stefanprodan/podinfo:6.10.2
         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:6.6.1
+        image: ghcr.io/stefanprodan/podinfo:6.10.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

go.mod

@@ -1,88 +1,82 @@
 module github.com/stefanprodan/podinfo
 
-go 1.22
+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 v1.9.2
+	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 v1.19.0
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.18.2
+	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 v1.16.3
-	go.opentelemetry.io/contrib/instrumentation/github.com/gorilla/mux/otelmux v0.49.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.49.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0
-	go.opentelemetry.io/contrib/propagators/aws v1.24.0
-	go.opentelemetry.io/contrib/propagators/b3 v1.24.0
-	go.opentelemetry.io/contrib/propagators/jaeger v1.24.0
-	go.opentelemetry.io/contrib/propagators/ot v1.24.0
-	go.opentelemetry.io/otel v1.24.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.24.0
-	go.opentelemetry.io/otel/sdk v1.24.0
-	go.opentelemetry.io/otel/trace v1.24.0
-	go.uber.org/zap v1.27.0
-	golang.org/x/net v0.22.0
-	google.golang.org/grpc v1.62.1
-	google.golang.org/protobuf v1.33.0
+	github.com/swaggo/swag v1.16.6
+	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/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/trace v1.40.0
+	go.uber.org/zap v1.27.1
+	golang.org/x/net v0.51.0
+	google.golang.org/grpc v1.79.1
+	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 v1.4.1 // 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 v2.19.0 // 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/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
-	github.com/prometheus/client_model v0.5.0 // indirect
-	github.com/prometheus/common v0.48.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
-	github.com/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 v1.24.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
+	github.com/swaggo/files v1.0.1 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // 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 v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.13.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240123012728-ef4313101c80 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240123012728-ef4313101c80 // 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

@@ -2,235 +2,215 @@ 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=
+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
+github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
-github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
-github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
-github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
-github.com/go-openapi/jsonreference v0.20.0 h1:MYlu0sBgChmCfJxxUKZ8g1cPWFOB37YSZqewK7OKeyA=
-github.com/go-openapi/jsonreference v0.20.0/go.mod h1:Ag74Ico3lPc+zR+qjn4XBUmXymS4zJbYVCZmcgkasdo=
-github.com/go-openapi/spec v0.20.6 h1:ich1RQ3WDbfoeTqTAb+5EIxNmpKVJZWBNah9RAT0jIQ=
-github.com/go-openapi/spec v0.20.6/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6VaaBKcWA=
-github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
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kustomize/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
       - name: podinfod
-        image: ghcr.io/stefanprodan/podinfo:6.6.1
+        image: ghcr.io/stefanprodan/podinfo:6.10.2
         imagePullPolicy: IfNotPresent
         ports:
         - name: http

kustomize/kustomization.yaml

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

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

@@ -13,8 +13,8 @@ type echoServer struct {
 	logger *zap.Logger
 }
 
-func (s *echoServer) Echo (ctx context.Context, message *echo.Message) (*echo.Message, error){
+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
+	return &echo.Message{Body: message.Body}, nil
 }

pkg/api/grpc/echo_test.go

@@ -15,9 +15,7 @@ import (
 
 func TestGrpcEcho(t *testing.T) {
 
-	// Server initialization
-	// bufconn => uses in-memory connection instead of system network I/O
-	lis := bufconn.Listen(1024*1024)
+	lis := bufconn.Listen(1024 * 1024)
 	t.Cleanup(func() {
 		lis.Close()
 	})
@@ -30,19 +28,18 @@ func TestGrpcEcho(t *testing.T) {
 
 	echo.RegisterEchoServiceServer(srv, &echoServer{config: s.config, logger: s.logger})
 
-	go func(){
+	go func() {
 		if err := srv.Serve(lis); err != nil {
 			log.Fatalf("srv.Serve %v", err)
 		}
 	}()
 
-	// - Test
-	dialer := func(context.Context, string) (net.Conn, error){
+	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()
@@ -53,18 +50,16 @@ func TestGrpcEcho(t *testing.T) {
 	}
 
 	client := echo.NewEchoServiceClient(conn)
-	res , err := client.Echo(context.Background(), &echo.Message{Body:"test123-test"})
+	res, err := client.Echo(context.Background(), &echo.Message{Body: "test123-test"})
 
-	// Check the status code is what we expect.
 	if _, ok := status.FromError(err); !ok {
 		t.Errorf("Echo returned type %T, want %T", err, status.Error)
 	}
 
-	// Check the response body is what we expect.
 	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) {}
+}

pkg/api/grpc/env/env_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: env/env.proto
+
+package env
+
+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
+
+// EnvServiceClient is the client API for EnvService 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 EnvServiceClient interface {
+	Env(ctx context.Context, in *EnvRequest, opts ...grpc.CallOption) (*EnvResponse, error)
+}
+
+type envServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewEnvServiceClient(cc grpc.ClientConnInterface) EnvServiceClient {
+	return &envServiceClient{cc}
+}
+
+func (c *envServiceClient) Env(ctx context.Context, in *EnvRequest, opts ...grpc.CallOption) (*EnvResponse, error) {
+	out := new(EnvResponse)
+	err := c.cc.Invoke(ctx, "/env.EnvService/Env", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// EnvServiceServer is the server API for EnvService service.
+// All implementations must embed UnimplementedEnvServiceServer
+// for forward compatibility
+type EnvServiceServer interface {
+	Env(context.Context, *EnvRequest) (*EnvResponse, error)
+	mustEmbedUnimplementedEnvServiceServer()
+}
+
+// UnimplementedEnvServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedEnvServiceServer struct {
+}
+
+func (UnimplementedEnvServiceServer) Env(context.Context, *EnvRequest) (*EnvResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Env not implemented")
+}
+func (UnimplementedEnvServiceServer) mustEmbedUnimplementedEnvServiceServer() {}
+
+// UnsafeEnvServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to EnvServiceServer will
+// result in compilation errors.
+type UnsafeEnvServiceServer interface {
+	mustEmbedUnimplementedEnvServiceServer()
+}
+
+func RegisterEnvServiceServer(s grpc.ServiceRegistrar, srv EnvServiceServer) {
+	s.RegisterService(&EnvService_ServiceDesc, srv)
+}
+
+func _EnvService_Env_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(EnvRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EnvServiceServer).Env(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/env.EnvService/Env",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EnvServiceServer).Env(ctx, req.(*EnvRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// EnvService_ServiceDesc is the grpc.ServiceDesc for EnvService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var EnvService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "env.EnvService",
+	HandlerType: (*EnvServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Env",
+			Handler:    _EnvService_Env_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "env/env.proto",
+}

pkg/api/grpc/env_test.go

@@ -0,0 +1,64 @@
+package grpc
+
+import (
+	"context"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/env"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcEnv(t *testing.T) {
+
+	lis := bufconn.Listen(1024 * 1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	env.RegisterEnvServiceServer(srv, &EnvServer{})
+
+	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 := env.NewEnvServiceClient(conn)
+	res, err := client.Env(context.Background(), &env.EnvRequest{})
+
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Env returned type %T, want %T", err, status.Error)
+	}
+
+	expected := ".*PATH.*"
+	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/headers.go

@@ -0,0 +1,34 @@
+package grpc
+
+import (
+	"context"
+	"strings"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/headers"
+	"go.uber.org/zap"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+type HeaderServer struct {
+	pb.UnimplementedHeaderServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *HeaderServer) Header(ctx context.Context, in *pb.HeaderRequest) (*pb.HeaderResponse, error) {
+	md, ok := metadata.FromIncomingContext(ctx)
+	if !ok {
+		return nil, status.Errorf(codes.DataLoss, "UnaryEcho: failed to get metadata")
+	}
+
+	// Creating slices beacause echoing the header metadata can't be predetermined by the proto contract
+	res := []string{}
+	for i, e := range md {
+		res = append(res, i+"="+strings.Join(e, ","))
+	}
+
+	return &pb.HeaderResponse{Headers: res}, nil
+
+}

pkg/api/grpc/headers/headers.pb.go

@@ -0,0 +1,201 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v4.25.0
+// source: headers/headers.proto
+
+package header
+
+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 HeaderRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *HeaderRequest) Reset() {
+	*x = HeaderRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headers_headers_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderRequest) ProtoMessage() {}
+
+func (x *HeaderRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headers_headers_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 HeaderRequest.ProtoReflect.Descriptor instead.
+func (*HeaderRequest) Descriptor() ([]byte, []int) {
+	return file_headers_headers_proto_rawDescGZIP(), []int{0}
+}
+
+type HeaderResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Headers []string `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty"`
+}
+
+func (x *HeaderResponse) Reset() {
+	*x = HeaderResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headers_headers_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderResponse) ProtoMessage() {}
+
+func (x *HeaderResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headers_headers_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 HeaderResponse.ProtoReflect.Descriptor instead.
+func (*HeaderResponse) Descriptor() ([]byte, []int) {
+	return file_headers_headers_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *HeaderResponse) GetHeaders() []string {
+	if x != nil {
+		return x.Headers
+	}
+	return nil
+}
+
+var File_headers_headers_proto protoreflect.FileDescriptor
+
+var file_headers_headers_proto_rawDesc = []byte{
+	0x0a, 0x15, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72,
+	0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x22,
+	0x0f, 0x0a, 0x0d, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x22, 0x2a, 0x0a, 0x0e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
+	0x73, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x18, 0x01, 0x20,
+	0x03, 0x28, 0x09, 0x52, 0x07, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x32, 0x4a, 0x0a, 0x0d,
+	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x39, 0x0a,
+	0x06, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x15, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72,
+	0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16,
+	0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x65,
+	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x0a, 0x5a, 0x08, 0x2e, 0x2f, 0x68, 0x65,
+	0x61, 0x64, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_headers_headers_proto_rawDescOnce sync.Once
+	file_headers_headers_proto_rawDescData = file_headers_headers_proto_rawDesc
+)
+
+func file_headers_headers_proto_rawDescGZIP() []byte {
+	file_headers_headers_proto_rawDescOnce.Do(func() {
+		file_headers_headers_proto_rawDescData = protoimpl.X.CompressGZIP(file_headers_headers_proto_rawDescData)
+	})
+	return file_headers_headers_proto_rawDescData
+}
+
+var file_headers_headers_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_headers_headers_proto_goTypes = []interface{}{
+	(*HeaderRequest)(nil),  // 0: header.headerRequest
+	(*HeaderResponse)(nil), // 1: header.headerResponse
+}
+var file_headers_headers_proto_depIdxs = []int32{
+	0, // 0: header.HeaderService.Header:input_type -> header.headerRequest
+	1, // 1: header.HeaderService.Header:output_type -> header.headerResponse
+	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_headers_headers_proto_init() }
+func file_headers_headers_proto_init() {
+	if File_headers_headers_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_headers_headers_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HeaderRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headers_headers_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HeaderResponse); 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_headers_headers_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_headers_headers_proto_goTypes,
+		DependencyIndexes: file_headers_headers_proto_depIdxs,
+		MessageInfos:      file_headers_headers_proto_msgTypes,
+	}.Build()
+	File_headers_headers_proto = out.File
+	file_headers_headers_proto_rawDesc = nil
+	file_headers_headers_proto_goTypes = nil
+	file_headers_headers_proto_depIdxs = nil
+}

pkg/api/grpc/headers/headers.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+option go_package = "./header";
+
+package header;
+
+message HeaderRequest {}
+
+message HeaderResponse {
+   repeated string headers = 1;
+}
+
+service HeaderService {
+    rpc Header(HeaderRequest) returns (HeaderResponse) {}
+}

pkg/api/grpc/headers/headers_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: headers/headers.proto
+
+package header
+
+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
+
+// HeaderServiceClient is the client API for HeaderService 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 HeaderServiceClient interface {
+	Header(ctx context.Context, in *HeaderRequest, opts ...grpc.CallOption) (*HeaderResponse, error)
+}
+
+type headerServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHeaderServiceClient(cc grpc.ClientConnInterface) HeaderServiceClient {
+	return &headerServiceClient{cc}
+}
+
+func (c *headerServiceClient) Header(ctx context.Context, in *HeaderRequest, opts ...grpc.CallOption) (*HeaderResponse, error) {
+	out := new(HeaderResponse)
+	err := c.cc.Invoke(ctx, "/header.HeaderService/Header", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// HeaderServiceServer is the server API for HeaderService service.
+// All implementations must embed UnimplementedHeaderServiceServer
+// for forward compatibility
+type HeaderServiceServer interface {
+	Header(context.Context, *HeaderRequest) (*HeaderResponse, error)
+	mustEmbedUnimplementedHeaderServiceServer()
+}
+
+// UnimplementedHeaderServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedHeaderServiceServer struct {
+}
+
+func (UnimplementedHeaderServiceServer) Header(context.Context, *HeaderRequest) (*HeaderResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Header not implemented")
+}
+func (UnimplementedHeaderServiceServer) mustEmbedUnimplementedHeaderServiceServer() {}
+
+// UnsafeHeaderServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HeaderServiceServer will
+// result in compilation errors.
+type UnsafeHeaderServiceServer interface {
+	mustEmbedUnimplementedHeaderServiceServer()
+}
+
+func RegisterHeaderServiceServer(s grpc.ServiceRegistrar, srv HeaderServiceServer) {
+	s.RegisterService(&HeaderService_ServiceDesc, srv)
+}
+
+func _HeaderService_Header_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HeaderRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeaderServiceServer).Header(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/header.HeaderService/Header",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeaderServiceServer).Header(ctx, req.(*HeaderRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// HeaderService_ServiceDesc is the grpc.ServiceDesc for HeaderService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var HeaderService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "header.HeaderService",
+	HandlerType: (*HeaderServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Header",
+			Handler:    _HeaderService_Header_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "headers/headers.proto",
+}

pkg/api/grpc/headers_test.go

@@ -0,0 +1,69 @@
+package grpc
+
+import (
+	"context"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/headers"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcHeader(t *testing.T) {
+
+	lis := bufconn.Listen(1024 * 1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	header.RegisterHeaderServiceServer(srv, &HeaderServer{})
+
+	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()
+	}
+
+	conn, err := grpc.DialContext(context.Background(), "", grpc.WithContextDialer(dialer), grpc.WithInsecure())
+	t.Cleanup(func() {
+		conn.Close()
+	})
+
+	if err != nil {
+		t.Fatalf("grpc.DialContext %v", err)
+	}
+
+	headers := metadata.New(map[string]string{
+		"X-Test": "testing",
+	})
+
+	ctx := metadata.NewOutgoingContext(context.Background(), headers)
+
+	client := header.NewHeaderServiceClient(conn)
+	res, err := client.Header(ctx, &header.HeaderRequest{})
+
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Header returned type %T, want %T", err, status.Error)
+	}
+
+	expected := ".*testing.*"
+	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/info.go

@@ -0,0 +1,70 @@
+package grpc
+
+import (
+	"context"
+	"go.uber.org/zap"
+	"log"
+	"runtime"
+	"strconv"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/info"
+	"github.com/stefanprodan/podinfo/pkg/version"
+)
+
+type infoServer struct {
+	pb.UnimplementedInfoServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *infoServer) Info(ctx context.Context, message *pb.InfoRequest) (*pb.InfoResponse, error) {
+
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println("Recovered from panic:", r)
+		}
+	}()
+
+	data := RuntimeResponse{
+		Hostname:     s.config.Hostname,
+		Version:      version.VERSION,
+		Revision:     version.REVISION,
+		Color:        s.config.UIColor,
+		Logo:         s.config.UILogo,
+		Message:      s.config.UIMessage,
+		Goos:         runtime.GOOS,
+		Goarch:       runtime.GOARCH,
+		Runtime:      runtime.Version(),
+		Numgoroutine: strconv.FormatInt(int64(runtime.NumGoroutine()), 10),
+		Numcpu:       strconv.FormatInt(int64(runtime.NumCPU()), 10),
+	}
+
+	return &pb.InfoResponse{
+		Hostname:     data.Hostname,
+		Version:      data.Version,
+		Revision:     data.Revision,
+		Color:        data.Color,
+		Logo:         data.Logo,
+		Message:      data.Message,
+		Goos:         data.Goos,
+		Goarch:       data.Goarch,
+		Runtime:      data.Runtime,
+		Numgoroutine: data.Numgoroutine,
+		Numcpu:       data.Numcpu,
+	}, nil
+
+}
+
+type RuntimeResponse struct {
+	Hostname     string `json:"hostname"`
+	Version      string `json:"version"`
+	Revision     string `json:"revision"`
+	Color        string `json:"color"`
+	Logo         string `json:"logo"`
+	Message      string `json:"message"`
+	Goos         string `json:"goos"`
+	Goarch       string `json:"goarch"`
+	Runtime      string `json:"runtime"`
+	Numgoroutine string `json:"num_goroutine"`
+	Numcpu       string `json:"num_cpu"`
+}

pkg/api/grpc/info/info.pb.go

@@ -0,0 +1,296 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v4.25.0
+// source: info/info.proto
+
+package info
+
+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 InfoRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *InfoRequest) Reset() {
+	*x = InfoRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_info_info_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InfoRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InfoRequest) ProtoMessage() {}
+
+func (x *InfoRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_info_info_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 InfoRequest.ProtoReflect.Descriptor instead.
+func (*InfoRequest) Descriptor() ([]byte, []int) {
+	return file_info_info_proto_rawDescGZIP(), []int{0}
+}
+
+type InfoResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Hostname     string `protobuf:"bytes,1,opt,name=hostname,proto3" json:"hostname,omitempty"`
+	Version      string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
+	Revision     string `protobuf:"bytes,3,opt,name=revision,proto3" json:"revision,omitempty"`
+	Color        string `protobuf:"bytes,4,opt,name=color,proto3" json:"color,omitempty"`
+	Logo         string `protobuf:"bytes,5,opt,name=logo,proto3" json:"logo,omitempty"`
+	Message      string `protobuf:"bytes,6,opt,name=message,proto3" json:"message,omitempty"`
+	Goos         string `protobuf:"bytes,7,opt,name=goos,proto3" json:"goos,omitempty"`
+	Goarch       string `protobuf:"bytes,8,opt,name=goarch,proto3" json:"goarch,omitempty"`
+	Runtime      string `protobuf:"bytes,9,opt,name=runtime,proto3" json:"runtime,omitempty"`
+	Numgoroutine string `protobuf:"bytes,10,opt,name=numgoroutine,proto3" json:"numgoroutine,omitempty"`
+	Numcpu       string `protobuf:"bytes,11,opt,name=numcpu,proto3" json:"numcpu,omitempty"`
+}
+
+func (x *InfoResponse) Reset() {
+	*x = InfoResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_info_info_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InfoResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InfoResponse) ProtoMessage() {}
+
+func (x *InfoResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_info_info_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 InfoResponse.ProtoReflect.Descriptor instead.
+func (*InfoResponse) Descriptor() ([]byte, []int) {
+	return file_info_info_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *InfoResponse) GetHostname() string {
+	if x != nil {
+		return x.Hostname
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetRevision() string {
+	if x != nil {
+		return x.Revision
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetColor() string {
+	if x != nil {
+		return x.Color
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetLogo() string {
+	if x != nil {
+		return x.Logo
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetGoos() string {
+	if x != nil {
+		return x.Goos
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetGoarch() string {
+	if x != nil {
+		return x.Goarch
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetRuntime() string {
+	if x != nil {
+		return x.Runtime
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetNumgoroutine() string {
+	if x != nil {
+		return x.Numgoroutine
+	}
+	return ""
+}
+
+func (x *InfoResponse) GetNumcpu() string {
+	if x != nil {
+		return x.Numcpu
+	}
+	return ""
+}
+
+var File_info_info_proto protoreflect.FileDescriptor
+
+var file_info_info_proto_rawDesc = []byte{
+	0x0a, 0x0f, 0x69, 0x6e, 0x66, 0x6f, 0x2f, 0x69, 0x6e, 0x66, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x04, 0x69, 0x6e, 0x66, 0x6f, 0x22, 0x0d, 0x0a, 0x0b, 0x49, 0x6e, 0x66, 0x6f, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0xa6, 0x02, 0x0a, 0x0c, 0x49, 0x6e, 0x66, 0x6f, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x1a, 0x0a, 0x08, 0x68, 0x6f, 0x73, 0x74, 0x6e,
+	0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x68, 0x6f, 0x73, 0x74, 0x6e,
+	0x61, 0x6d, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x1a, 0x0a,
+	0x08, 0x72, 0x65, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x08, 0x72, 0x65, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x6f, 0x6c,
+	0x6f, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x12,
+	0x12, 0x0a, 0x04, 0x6c, 0x6f, 0x67, 0x6f, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6c,
+	0x6f, 0x67, 0x6f, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x06,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x12, 0x0a,
+	0x04, 0x67, 0x6f, 0x6f, 0x73, 0x18, 0x07, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x67, 0x6f, 0x6f,
+	0x73, 0x12, 0x16, 0x0a, 0x06, 0x67, 0x6f, 0x61, 0x72, 0x63, 0x68, 0x18, 0x08, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x06, 0x67, 0x6f, 0x61, 0x72, 0x63, 0x68, 0x12, 0x18, 0x0a, 0x07, 0x72, 0x75, 0x6e,
+	0x74, 0x69, 0x6d, 0x65, 0x18, 0x09, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x72, 0x75, 0x6e, 0x74,
+	0x69, 0x6d, 0x65, 0x12, 0x22, 0x0a, 0x0c, 0x6e, 0x75, 0x6d, 0x67, 0x6f, 0x72, 0x6f, 0x75, 0x74,
+	0x69, 0x6e, 0x65, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x6e, 0x75, 0x6d, 0x67, 0x6f,
+	0x72, 0x6f, 0x75, 0x74, 0x69, 0x6e, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x63, 0x70,
+	0x75, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x63, 0x70, 0x75, 0x32,
+	0x3e, 0x0a, 0x0b, 0x49, 0x6e, 0x66, 0x6f, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x2f,
+	0x0a, 0x04, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x11, 0x2e, 0x69, 0x6e, 0x66, 0x6f, 0x2e, 0x49, 0x6e,
+	0x66, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x69, 0x6e, 0x66, 0x6f,
+	0x2e, 0x49, 0x6e, 0x66, 0x6f, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42,
+	0x08, 0x5a, 0x06, 0x2e, 0x2f, 0x69, 0x6e, 0x66, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
+}
+
+var (
+	file_info_info_proto_rawDescOnce sync.Once
+	file_info_info_proto_rawDescData = file_info_info_proto_rawDesc
+)
+
+func file_info_info_proto_rawDescGZIP() []byte {
+	file_info_info_proto_rawDescOnce.Do(func() {
+		file_info_info_proto_rawDescData = protoimpl.X.CompressGZIP(file_info_info_proto_rawDescData)
+	})
+	return file_info_info_proto_rawDescData
+}
+
+var file_info_info_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_info_info_proto_goTypes = []interface{}{
+	(*InfoRequest)(nil),  // 0: info.InfoRequest
+	(*InfoResponse)(nil), // 1: info.InfoResponse
+}
+var file_info_info_proto_depIdxs = []int32{
+	0, // 0: info.InfoService.Info:input_type -> info.InfoRequest
+	1, // 1: info.InfoService.Info:output_type -> info.InfoResponse
+	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_info_info_proto_init() }
+func file_info_info_proto_init() {
+	if File_info_info_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_info_info_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InfoRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_info_info_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InfoResponse); 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_info_info_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_info_info_proto_goTypes,
+		DependencyIndexes: file_info_info_proto_depIdxs,
+		MessageInfos:      file_info_info_proto_msgTypes,
+	}.Build()
+	File_info_info_proto = out.File
+	file_info_info_proto_rawDesc = nil
+	file_info_info_proto_goTypes = nil
+	file_info_info_proto_depIdxs = nil
+}

pkg/api/grpc/info/info.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+option go_package = "./info";
+
+package info;
+
+message InfoRequest {}
+
+message InfoResponse {
+  	string	hostname = 1;
+	string	version = 2;
+	string	revision = 3;
+    string  color = 4 ;
+	string	logo = 5 ;
+	string	message = 6 ;
+	string	goos = 7;
+    string	goarch = 8; 
+    string	runtime = 9; 
+	string	numgoroutine =  10;
+	string	numcpu = 11;
+}
+
+service InfoService {
+    rpc Info (InfoRequest) returns (InfoResponse) {}
+}

pkg/api/grpc/info/info_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: info/info.proto
+
+package info
+
+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
+
+// InfoServiceClient is the client API for InfoService 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 InfoServiceClient interface {
+	Info(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*InfoResponse, error)
+}
+
+type infoServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewInfoServiceClient(cc grpc.ClientConnInterface) InfoServiceClient {
+	return &infoServiceClient{cc}
+}
+
+func (c *infoServiceClient) Info(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*InfoResponse, error) {
+	out := new(InfoResponse)
+	err := c.cc.Invoke(ctx, "/info.InfoService/Info", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// InfoServiceServer is the server API for InfoService service.
+// All implementations must embed UnimplementedInfoServiceServer
+// for forward compatibility
+type InfoServiceServer interface {
+	Info(context.Context, *InfoRequest) (*InfoResponse, error)
+	mustEmbedUnimplementedInfoServiceServer()
+}
+
+// UnimplementedInfoServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedInfoServiceServer struct {
+}
+
+func (UnimplementedInfoServiceServer) Info(context.Context, *InfoRequest) (*InfoResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Info not implemented")
+}
+func (UnimplementedInfoServiceServer) mustEmbedUnimplementedInfoServiceServer() {}
+
+// UnsafeInfoServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to InfoServiceServer will
+// result in compilation errors.
+type UnsafeInfoServiceServer interface {
+	mustEmbedUnimplementedInfoServiceServer()
+}
+
+func RegisterInfoServiceServer(s grpc.ServiceRegistrar, srv InfoServiceServer) {
+	s.RegisterService(&InfoService_ServiceDesc, srv)
+}
+
+func _InfoService_Info_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InfoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InfoServiceServer).Info(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/info.InfoService/Info",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InfoServiceServer).Info(ctx, req.(*InfoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// InfoService_ServiceDesc is the grpc.ServiceDesc for InfoService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var InfoService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "info.InfoService",
+	HandlerType: (*InfoServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Info",
+			Handler:    _InfoService_Info_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "info/info.proto",
+}

pkg/api/grpc/info_test.go

@@ -0,0 +1,65 @@
+package grpc
+
+import (
+	"context"
+	"log"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/info"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/status"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+func TestGrpcInfo(t *testing.T) {
+
+	lis := bufconn.Listen(1024 * 1024)
+	t.Cleanup(func() {
+		lis.Close()
+	})
+
+	s := NewMockGrpcServer()
+	srv := grpc.NewServer()
+	t.Cleanup(func() {
+		srv.Stop()
+	})
+
+	info.RegisterInfoServiceServer(srv, &infoServer{config: s.config})
+
+	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 := info.NewInfoServiceClient(conn)
+	res, err := client.Info(context.Background(), &info.InfoRequest{})
+
+	if _, ok := status.FromError(err); !ok {
+		t.Errorf("Info returned type %T, want %T", err, status.Error)
+	}
+
+	expected := ".*color.*blue.*"
+	r := regexp.MustCompile(expected)
+	if !r.MatchString(res.String()) {
+		t.Fatalf("Returned unexpected body:\ngot \n%v \nwant \n%s",
+			res.Color, expected)
+	}
+}

pkg/api/grpc/mock_grpc.go

@@ -4,20 +4,19 @@ import (
 	"go.uber.org/zap"
 )
 
-
 func NewMockGrpcServer() *Server {
 	config := &Config{
-		Port:                  9999,
+		Port: 9999,
 		// ServerShutdownTimeout: 5 * time.Second,
 		// HttpServerTimeout:     30 * time.Second,
-		BackendURL:            []string{},
-		ConfigPath:            "/config",
-		DataPath:              "/data",
+		BackendURL: []string{},
+		ConfigPath: "/config",
+		DataPath:   "/data",
 		// HttpClientTimeout:     30 * time.Second,
-		UIColor:               "blue",
-		UIPath:                ".ui",
-		UIMessage:             "Greetings",
-		Hostname:              "localhost",
+		UIColor:   "blue",
+		UIPath:    ".ui",
+		UIMessage: "Greetings",
+		Hostname:  "localhost",
 	}
 
 	logger, _ := zap.NewDevelopment()
@@ -28,4 +27,4 @@ func NewMockGrpcServer() *Server {
 		config: config,
 		//tracer: trace.NewNoopTracerProvider().Tracer("mock"),
 	}
-}
+}

pkg/api/grpc/panic.go

@@ -13,7 +13,6 @@ type PanicServer struct {
 	pb.UnimplementedPanicServiceServer
 	config *Config
 	logger *zap.Logger
-
 }
 
 func (s *PanicServer) Panic(ctx context.Context, req *pb.PanicRequest) (*pb.PanicResponse, error) {
@@ -21,4 +20,3 @@ func (s *PanicServer) Panic(ctx context.Context, req *pb.PanicRequest) (*pb.Pani
 	os.Exit(225)
 	return &pb.PanicResponse{}, nil
 }
-

pkg/api/grpc/server.go

@@ -12,11 +12,16 @@ import (
 	"google.golang.org/grpc/health/grpc_health_v1"
 	"google.golang.org/grpc/reflection"
 
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/delay"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/env"
+	header "github.com/stefanprodan/podinfo/pkg/api/grpc/headers"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/info"
 	"github.com/stefanprodan/podinfo/pkg/api/grpc/panic"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/status"
+	"github.com/stefanprodan/podinfo/pkg/api/grpc/token"
 	"github.com/stefanprodan/podinfo/pkg/api/grpc/version"
 )
 
-
 type Server struct {
 	logger *zap.Logger
 	config *Config
@@ -26,31 +31,29 @@ type Config struct {
 	Port        int    `mapstructure:"grpc-port"`
 	ServiceName string `mapstructure:"grpc-service-name"`
 
-
-	BackendURL            []string      `mapstructure:"backend-url"`
-	UILogo                string        `mapstructure:"ui-logo"`
-	UIMessage             string        `mapstructure:"ui-message"`
-	UIColor               string        `mapstructure:"ui-color"`
-	UIPath                string        `mapstructure:"ui-path"`
-	DataPath              string        `mapstructure:"data-path"`
-	ConfigPath            string        `mapstructure:"config-path"`
-	CertPath              string        `mapstructure:"cert-path"`
-	Host                  string        `mapstructure:"host"`
+	BackendURL []string `mapstructure:"backend-url"`
+	UILogo     string   `mapstructure:"ui-logo"`
+	UIMessage  string   `mapstructure:"ui-message"`
+	UIColor    string   `mapstructure:"ui-color"`
+	UIPath     string   `mapstructure:"ui-path"`
+	DataPath   string   `mapstructure:"data-path"`
+	ConfigPath string   `mapstructure:"config-path"`
+	CertPath   string   `mapstructure:"cert-path"`
+	Host       string   `mapstructure:"host"`
 	//Port                  string        `mapstructure:"port"`
-	SecurePort            string        `mapstructure:"secure-port"`
-	PortMetrics           int           `mapstructure:"port-metrics"`
-	Hostname              string        `mapstructure:"hostname"`
-	H2C                   bool          `mapstructure:"h2c"`
-	RandomDelay           bool          `mapstructure:"random-delay"`
-	RandomDelayUnit       string        `mapstructure:"random-delay-unit"`
-	RandomDelayMin        int           `mapstructure:"random-delay-min"`
-	RandomDelayMax        int           `mapstructure:"random-delay-max"`
-	RandomError           bool          `mapstructure:"random-error"`
-	Unhealthy             bool          `mapstructure:"unhealthy"`
-	Unready               bool          `mapstructure:"unready"`
-	JWTSecret             string        `mapstructure:"jwt-secret"`
-	CacheServer           string        `mapstructure:"cache-server"`
-
+	SecurePort      string `mapstructure:"secure-port"`
+	PortMetrics     int    `mapstructure:"port-metrics"`
+	Hostname        string `mapstructure:"hostname"`
+	H2C             bool   `mapstructure:"h2c"`
+	RandomDelay     bool   `mapstructure:"random-delay"`
+	RandomDelayUnit string `mapstructure:"random-delay-unit"`
+	RandomDelayMin  int    `mapstructure:"random-delay-min"`
+	RandomDelayMax  int    `mapstructure:"random-delay-max"`
+	RandomError     bool   `mapstructure:"random-error"`
+	Unhealthy       bool   `mapstructure:"unhealthy"`
+	Unready         bool   `mapstructure:"unready"`
+	JWTSecret       string `mapstructure:"jwt-secret"`
+	CacheServer     string `mapstructure:"cache-server"`
 }
 
 func NewServer(config *Config, logger *zap.Logger) (*Server, error) {
@@ -62,7 +65,6 @@ func NewServer(config *Config, logger *zap.Logger) (*Server, error) {
 	return srv, nil
 }
 
-
 func (s *Server) ListenAndServe() *grpc.Server {
 	listener, err := net.Listen("tcp", fmt.Sprintf(":%v", s.config.Port))
 	if err != nil {
@@ -72,12 +74,16 @@ func (s *Server) ListenAndServe() *grpc.Server {
 	srv := grpc.NewServer()
 	server := health.NewServer()
 
-	
-	// Register grpc apis for refection
+	// Register grpc apis for reflection
 	echo.RegisterEchoServiceServer(srv, &echoServer{config: s.config, logger: s.logger})
-
 	version.RegisterVersionServiceServer(srv, &VersionServer{config: s.config, logger: s.logger})
 	panic.RegisterPanicServiceServer(srv, &PanicServer{config: s.config, logger: s.logger})
+	delay.RegisterDelayServiceServer(srv, &DelayServer{config: s.config, logger: s.logger})
+	header.RegisterHeaderServiceServer(srv, &HeaderServer{config: s.config, logger: s.logger})
+	info.RegisterInfoServiceServer(srv, &infoServer{config: s.config})
+	status.RegisterStatusServiceServer(srv, &StatusServer{config: s.config, logger: s.logger})
+	token.RegisterTokenServiceServer(srv, &TokenServer{config: s.config, logger: s.logger})
+	env.RegisterEnvServiceServer(srv, &EnvServer{config: s.config, logger: s.logger})
 
 	reflection.Register(srv)
 	grpc_health_v1.RegisterHealthServer(srv, server)

pkg/api/grpc/status.go

@@ -0,0 +1,47 @@
+package grpc
+
+import (
+	"context"
+
+	pb "github.com/stefanprodan/podinfo/pkg/api/grpc/status"
+	"go.uber.org/zap"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type StatusServer struct {
+	pb.UnimplementedStatusServiceServer
+	config *Config
+	logger *zap.Logger
+}
+
+func (s *StatusServer) Status(ctx context.Context, req *pb.StatusRequest) (*pb.StatusResponse, error) {
+	reqCode := req.GetCode()
+
+	grpcCodes := map[string]codes.Code{
+		"Ok":                 codes.OK,
+		"Canceled":           codes.Canceled,
+		"Unknown":            codes.Unknown,
+		"InvalidArgument":    codes.InvalidArgument,
+		"DeadlineExceeded":   codes.DeadlineExceeded,
+		"NotFound":           codes.NotFound,
+		"AlreadyExists":      codes.AlreadyExists,
+		"PermissionDenied":   codes.PermissionDenied,
+		"ResourceExhausted":  codes.ResourceExhausted,
+		"FailedPrecondition": codes.FailedPrecondition,
+		"Aborted":            codes.Aborted,
+		"OutOfRange":         codes.OutOfRange,
+		"Unimplemented":      codes.Unimplemented,
+		"Internal":           codes.Internal,
+		"Unavailable":        codes.Unavailable,
+		"DataLoss":           codes.DataLoss,
+		"Unauthenticated":    codes.Unauthenticated,
+	}
+
+	code, ok := grpcCodes[reqCode]
+	if !ok {
+		return nil, status.Error(codes.Unknown, "Unknown status code for more information check https://chromium.googlesource.com/external/github.com/grpc/grpc/+/refs/tags/v1.21.4-pre1/doc/statuscodes.md")
+	}
+
+	return &pb.StatusResponse{Status: reqCode}, status.Error(code, "")
+}