Merge pull request #4 from equinor/helm-chart

Helm chart

.github/workflows/pr.yml

@@ -32,3 +32,16 @@ jobs:
         run: go mod download
       - name: Run Tests
         run: go test -cover `go list ./... | grep -v 'pkg/client'`
+
+  lint-helm:
+    name: Lint Helm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: azure/setup-helm@b7246b12e77f7134dc2d460a3d5bad15bbe29390 # v4.1.0
+
+      - name: Helm Lint
+        run: helm lint charts/radix-oauth-guard

.github/workflows/release-chart.yaml

@@ -0,0 +1,33 @@
+name: Release Charts
+
+on:
+  push:
+    tags:
+      - '**'
+  workflow_dispatch:
+
+jobs:
+  release:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v3
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Run chart-releaser
+        uses: helm/[email protected]
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

auth_test.go

@@ -44,7 +44,7 @@ func TestMissingAuthHeaderFails(t *testing.T) {
 	req, _ := http.NewRequest("GET", "/auth", nil)
 	handler.ServeHTTP(writer, req)
 
-	assert.Equal(t, http.StatusForbidden, writer.Code)
+	assert.Equal(t, http.StatusUnauthorized, writer.Code)
 }
 
 func TestAuthFailureFails(t *testing.T) {
@@ -57,7 +57,7 @@ func TestAuthFailureFails(t *testing.T) {
 	req.Header.Set("Authorization", "Bearer abcdabcd")
 	handler.ServeHTTP(writer, req)
 
-	assert.Equal(t, http.StatusForbidden, writer.Code)
+	assert.Equal(t, http.StatusUnauthorized, writer.Code)
 }
 
 func TestInvalidJWTFails(t *testing.T) {

charts/radix-oauth-guard/.helmignore

@@ -0,0 +1,22 @@
+# 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-oauth-guard/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+appVersion: 0.2.3
+version: 0.2.3
+description: Forward Auth to validate, authenticate and authorize JWT tokens
+name: radix-oauth-guard
+icon: https://radix.equinor.com/images/logos/logo.svg

charts/radix-oauth-guard/templates/_helpers.tpl

@@ -0,0 +1,58 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "oauth-guard.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 "oauth-guard.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 "oauth-guard.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "oauth-guard.labels" -}}
+helm.sh/chart: {{ include "oauth-guard.chart" . }}
+{{ include "oauth-guard.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "oauth-guard.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "oauth-guard.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "oauth-guard.serviceAccountName" -}}
+{{- default (include "oauth-guard.fullname" .) .Values.serviceAccount.name }}
+{{- end }}

charts/radix-oauth-guard/templates/deployment.yaml

@@ -0,0 +1,58 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "oauth-guard.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+  labels:
+    {{- include "oauth-guard.labels" . | nindent 4 }}
+  {{- with .Values.deploymentAnnotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "oauth-guard.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "oauth-guard.selectorLabels" . | nindent 8 }}
+      {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    spec:
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 1000
+        runAsGroup: 1000
+        fsGroup: 1000
+        supplementalGroups:
+          - 1000
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .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: ISSUER
+              value: {{ .Values.issuer | quote }}
+            - name: AUDIENCE
+              value: {{ .Values.audience | quote }}
+            - name: SUBJECTS
+              value: {{ (join "," .Values.subjects) | quote }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          securityContext:
+            privileged: false
+            readOnlyRootFilesystem: true
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+                - ALL

charts/radix-oauth-guard/templates/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "oauth-guard.fullname" . }}
+  namespace: {{ .Release.Namespace | quote }}
+spec:
+  selector:
+    {{- include "oauth-guard.selectorLabels" . | nindent 6 }}
+  ports:
+    - name: http
+      port: 8000

charts/radix-oauth-guard/values.yaml

@@ -0,0 +1,31 @@
+# Default values for charts.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+nameOverride: ""
+fullnameOverride: ""
+
+image:
+  repository: ghcr.io/equinor/radix-oauth-guard
+  tag: latest
+  pullPolicy: Always
+
+# Annotations to add to the Deployment
+deploymentAnnotations: {}
+# Extra pod labels
+podLabels: {}
+
+# Logging
+logLevel: info
+logPretty: "False"
+issuer: ""
+audience: ""
+subjects: []
+#  - "system:serviceaccount:monitor:prometheus-operator-prometheus"
+
+resources:
+  limits:
+    cpu: 50m
+    memory: 100Mi
+  requests:
+    cpu: 50m
+    memory: 100Mi