refs #914: Helm chart

deployment/chart/templates/NOTES.txt

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+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "code-server.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "code-server.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "code-server.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "code-server.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl port-forward $POD_NAME 8080:80
+{{- end }}
+
+Administrator credentials:
+
+  Password : $(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "code-server.fullname" . }} -o jsonpath="{.data.password}" | base64 --decode)

deployment/chart/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "code-server.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 "code-server.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 "code-server.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "code-server.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "code-server.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

deployment/chart/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "code-server.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "code-server.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "code-server.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      {{- if .Values.hostnameOverride }}
+      hostname: {{ .Values.hostnameOverride }}
+      {{- end }}
+      {{- if .Values.securityContext.enabled }}
+      securityContext:
+        fsGroup: {{ .Values.securityContext.fsGroup }}
+      {{- end }}
+      {{- if and .Values.volumePermissions.enabled .Values.persistence.enabled }}
+      initContainers:
+      - name: init-chmod-data
+        image: busybox:latest
+        imagePullPolicy: IfNotPresent
+        command:
+          - sh
+          - -c
+          - |
+            chown -R {{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }} /home/coder
+        securityContext:
+          runAsUser: {{ .Values.volumePermissions.securityContext.runAsUser }}
+        volumeMounts:
+        - name: data
+          mountPath: /home/coder
+      {{- end }}
+      containers:
+{{- if .Values.extraContainers }}
+{{ toYaml .Values.extraContainers | indent 8}}
+{{- end }}
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          {{- if .Values.securityContext.enabled }}
+          securityContext:
+            runAsUser: {{ .Values.securityContext.runAsUser }}
+          {{- end }}
+          env:
+          - name: PASSWORD
+            valueFrom:
+              secretKeyRef:
+              {{- if .Values.existingSecret }}
+                name: {{ .Values.existingSecret }}
+              {{- else }}
+                name: {{ template "code-server.fullname" . }}
+              {{- end }}
+                key: password
+        {{- if .Values.extraVars }}
+{{ toYaml .Values.extraVars | indent 12 }}
+        {{- end }}
+        {{- if .Values.extraArgs }}
+          args:
+{{ toYaml .Values.extraArgs | indent 12 }}
+        {{- end }}
+          volumeMounts:
+          - name: data
+            mountPath: /home/coder/project
+            subPath: project
+          - name: data
+            mountPath: /home/coder/.local/share/code-server
+            subPath: code-server
+          {{- range .Values.extraConfigmapMounts }}
+            - name: {{ .name }}
+              mountPath: {{ .mountPath }}
+              subPath: {{ .subPath | default "" }}
+              readOnly: {{ .readOnly }}
+          {{- end }}
+          {{- range .Values.extraSecretMounts }}
+            - name: {{ .name }}
+              mountPath: {{ .mountPath }}
+              readOnly: {{ .readOnly }}
+          {{- end }}
+          {{- range .Values.extraVolumeMounts }}
+            - name: {{ .name }}
+              mountPath: {{ .mountPath }}
+              subPath: {{ .subPath | default "" }}
+              readOnly: {{ .readOnly }}
+          {{- end }}
+          ports:
+            - name: http
+              containerPort: 8443
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ template "code-server.serviceAccountName" . }}
+      volumes:
+      - name: data
+      {{- if .Values.persistence.enabled }}
+        persistentVolumeClaim:
+          claimName: {{ .Values.persistence.existingClaim | default (include "code-server.fullname" .) }}
+      {{- else }}
+        emptyDir: {}
+      {{- end -}}
+      {{- range .Values.extraSecretMounts }}
+        - name: {{ .name }}
+          secret:
+            secretName: {{ .secretName }}
+            defaultMode: {{ .defaultMode }}
+      {{- end }}
+      {{- range .Values.extraVolumeMounts }}
+        - name: {{ .name }}
+          persistentVolumeClaim:
+            claimName: {{ .existingClaim }}
+      {{- end }}

deployment/chart/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "code-server.fullname" . -}}
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+{{- if .Values.ingress.tls }}
+  tls:
+  {{- range .Values.ingress.tls }}
+    - hosts:
+      {{- range .hosts }}
+        - {{ . | quote }}
+      {{- end }}
+      secretName: {{ .secretName }}
+  {{- end }}
+{{- end }}
+  rules:
+  {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+        {{- range .paths }}
+          - path: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: http
+        {{- end }}
+  {{- end }}
+{{- end }}

deployment/chart/templates/pvc.yaml

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+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ include "code-server.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+{{- with .Values.persistence.annotations  }}
+  annotations:
+{{ toYaml . | indent 4 }}
+{{- end }}
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+{{- if .Values.persistence.storageClass }}
+{{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+{{- else }}
+  storageClassName: "{{ .Values.persistence.storageClass }}"
+{{- end }}
+{{- end }}
+{{- end }}

deployment/chart/templates/secrets.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "code-server.fullname" . }}
+  annotations:
+    "helm.sh/hook": "pre-install"
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+type: Opaque
+data:
+  {{ if .Values.password }}
+  password: "{{ .Values.password | b64enc }}"
+  {{ else }}
+  password: "{{ randAlphaNum 24 | b64enc }}"
+  {{ end }}

deployment/chart/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "code-server.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}

deployment/chart/templates/serviceaccount.yaml

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+{{- if or .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  name: {{ template "code-server.serviceAccountName" . }}
+{{- end -}}

deployment/chart/templates/tests/test-connection.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "code-server.fullname" . }}-test-connection"
+  labels:
+    app.kubernetes.io/name: {{ include "code-server.name" . }}
+    helm.sh/chart: {{ include "code-server.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args:  ['{{ include "code-server.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never