chore: init commit

.github/workflows/pr.yaml

@@ -0,0 +1,28 @@
+name: Pull-Request Testing
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build docker image
+      run: docker build .
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.61.0

.github/workflows/release-please.yaml

@@ -0,0 +1,107 @@
+on:
+  push:
+    branches:
+      - main
+      - release
+
+permissions:
+  contents: write
+  pull-requests: write
+  packages: write
+
+name: Release
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{steps.release.outputs.version }}
+      release_created: ${{steps.release.outputs.release_created }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: googleapis/release-please-action@v4
+        id: release
+        with:
+          target-branch: 'release'
+
+  release-container:
+    runs-on: ubuntu-latest
+    needs: release-please
+    env:
+      REGISTRY: ghcr.io
+      IMAGE_NAME: ${{ github.repository }}
+      TAG: ${{ needs.release-please.outputs.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        if: ${{needs.release-please.outputs.release_created == 'true'}}
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}
+          platforms: |
+            linux/amd64
+            linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        if: ${{ needs.release-please.outputs.release_created != 'true' }}
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest-{{date 'YYYYMMDDHHmmss'}}-{{sha}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        if: ${{ needs.release-please.outputs.release_created != 'true' }}
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          platforms: |
+            linux/amd64
+            linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  release-helm:
+    runs-on: ubuntu-latest
+    needs: release-please
+    if: ${{needs.release-please.outputs.release_created == 'true'}}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # important parameter
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Run chart-releaser
+        uses: helm/[email protected]
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

.golangci.yaml

@@ -0,0 +1,15 @@
+run:
+  timeout: 30m
+
+linters:
+  enable:
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+    - zerologlint
+
+issues:
+  max-same-issues: 0

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "1.9.1"
+}

Dockerfile

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+FROM --platform=$BUILDPLATFORM golang:1.23-alpine3.20 AS builder
+# Define target arch variables so we can use them while crosscompiling, will be set automatically
+ARG TARGETARCH
+ENV CGO_ENABLED=0 \
+    GOOS=linux \
+    GOARCH=${TARGETARCH}
+
+WORKDIR /go/src/
+
+# get dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# copy code
+COPY . .
+
+# Build project
+RUN go build -ldflags "-s -w" -a -installsuffix cgo -o /radix-ingress-default-backend
+
+# Final stage, ref https://github.com/GoogleContainerTools/distroless/blob/main/base/README.md for distroless
+FROM gcr.io/distroless/static
+COPY www /www
+COPY mime.types /etc/
+COPY --from=builder /radix-ingress-default-backend /radix-ingress-default-backend
+
+EXPOSE 8000
+USER 1000
+ENTRYPOINT ["/radix-ingress-default-backend"]

README.md

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+# Radix Ingress Defailt Backend
+
+Responds with the default backend based on namespace header
+
+## How we work
+
+Commits to the main branch must follow [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) and uses Release Please to create new versions.
+

VERSION

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+0.1.0

charts/radix-ingress-deafult-backend/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/radix-ingress-deafult-backend/Chart.yaml

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+apiVersion: v2
+name: ingress-deafult-backend
+icon: https://radix.equinor.com/images/logos/logo.svg
+description: Simple Prometheus Proxy to expose a simple metric
+version: 1.9.1
+appVersion: 1.9.1
+kubeVersion: '>=1.24.0'
+keywords:
+  - radix
+home: radix.equinor.com
+sources:
+  - https://github.com/equinor/ingress-deafult-backend
+maintainers:
+  - name: Omnia Radix
+    email: [email protected]

charts/radix-ingress-deafult-backend/templates/_helpers.tpl

@@ -0,0 +1,58 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "prometheus-proxy.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "prometheus-proxy.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "prometheus-proxy.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "prometheus-proxy.labels" -}}
+helm.sh/chart: {{ include "prometheus-proxy.chart" . }}
+{{ include "prometheus-proxy.selectorLabels" . }}
+{{- if .Chart.Version }}
+app.kubernetes.io/version: {{ .Chart.Version | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "prometheus-proxy.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "prometheus-proxy.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "prometheus-proxy.serviceAccountName" -}}
+{{- default (include "prometheus-proxy.fullname" .) .Values.serviceAccount.name }}
+{{- end }}

charts/radix-ingress-deafult-backend/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "prometheus-proxy.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "prometheus-proxy.labels" . | nindent 4 }}
+  {{- with .Values.deploymentAnnotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "prometheus-proxy.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "prometheus-proxy.selectorLabels" . | nindent 8 }}
+      {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    spec:
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1000
+        runAsGroup: 1000
+        fsGroup: 1000
+        supplementalGroups:
+          - 1000
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ default .Chart.Version .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - containerPort: 8000
+              name: http
+          env:
+            - name: LOG_PRETTY
+              value: {{ .Values.logPretty | quote }}
+            - name: LOG_LEVEL
+              value: {{ .Values.logLevel | quote }}
+            - name: PROMETHEUS
+              value: {{ .Values.prometheusUrl | quote }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          securityContext:
+            privileged: false
+            readOnlyRootFilesystem: true
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+                - ALL