Initial commit

.gitignore

+*~
+*.lock
+charts

.helmignore

+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

Chart.yaml

+apiVersion: v2
+name: django
+description: A Django Helm chart for Kubernetes
+type: application
+version: 0.1.0
+appVersion: v1.1.0
+icon: https://static.djangoproject.com/img/logos/django-logo-negative.svg

requirements.yaml

+dependencies:
+  - name: postgresql
+    version: 8.4.0
+    repository: https://kubernetes-charts.storage.googleapis.com

templates/NOTES.txt

+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 "django.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "django.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "django.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  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 "django.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 --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:80
+{{- end }}

templates/_helpers.tpl

+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "django.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 "django.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 "django.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "django.labels" -}}
+helm.sh/chart: {{ include "django.chart" . }}
+{{ include "django.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "django.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "django.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "django.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "django.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}

templates/deployment.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "django.fullname" . }}
+  labels:
+    {{- include "django.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "django.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "django.selectorLabels" . | nindent 8 }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ include "django.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          - env:
+            envFrom:
+            - configMapRef:
+                name: django-config
+            - configMapRef:
+                name: postgres-config
+            - secretRef:
+                name: postgres-password
+            - secretRef:
+                name: django-secret-key
+          ports:
+            - name: gunicorn
+              containerPort: 5000
+              protocol: TCP
+          volumeMounts:
+            - mountPath: /static
+              name: django-files
+              subPath: static
+            - mountPath: /media
+              name: django-files
+              subPath: media
+          livenessProbe:
+            httpGet:
+              path: /health_checks
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            timeoutSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /health_checks
+              port: http
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            timeoutSeconds: 5
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      volumes:
+        - name: django-files
+          persistentVolumeClaim:
+            claimName: django-files
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}

templates/django-config.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: django-config
+data:
+  DJANGO_DEBUG: "0"
+  {{- range $key, $value := .Values.django.config }
+  {{ $key }}: {{ $value }}
+  {{- end }}

templates/django-secret.yaml

+apiVersion: v1
+kind: Secret
+type: Opaque
+metadata:
+  name: django-secret-key
+data:
+  DJANGO_SECRET_KEY: {{ .Values.django.secret_key | default (randAlphaNum 72) }}

templates/ingress.yaml

+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "django.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "django.labels" . | nindent 4 }}
+  {{- 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: {{ $svcPort }}
+        {{- end }}
+  {{- end }}
+{{- end }}

templates/postgres-config.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgres-config
+data:
+  POSTGRES_DATABASE: {{ .Values.global.postgresql.postgresqlDatabase }}
+  POSTGRES_USER: {{ .Values.global.postgresql.postgresqlUsername }}
+  POSTGRES_HOST: {{ .Values.global.postgresql.postgresqlHost | default "postgresql"}}

templates/postgres-secret.yaml

+apiVersion: v1
+kind: Secret
+type: Opaque
+metadata:
+  name: postgres-password
+data:
+  POSTGRES_PASSWORD: {{ .Values.global.postgresql.postgresqlPassword | default (randAlphaNum 72) }}

templates/service.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "django.fullname" . }}
+  labels:
+    {{- include "django.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: gunicorn
+      protocol: TCP
+      name: gunicorn
+  selector:
+    {{- include "django.selectorLabels" . | nindent 4 }}

templates/serviceaccount.yaml

+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "django.serviceAccountName" . }}
+  labels:
+    {{- include "django.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}

templates/tests/test-connection.yaml

+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "django.fullname" . }}-test-connection"
+  labels:
+    {{- include "django.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['{{ include "django.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never

values.yaml

+# Default values for django.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: evili/django
+  pullPolicy: IfNotPresent
+
+#
+# Django configuration. Any keyword will go into
+# the environment. Prefixed "DJANGO_" keys will be transformed
+# into django.conf.settings.
+#
+django:
+  config:
+    DJANGO_ALLOWED_HOSTS: "['*']"
+    # DJANGO_DEBUG: info
+    # DJANGO_SUPERUSER_USERNAME: admin
+    # DJANGO_SUPERUSER_EMAIL: admin@example.com
+    # DJANGO_SUPERUSER_PASSWORD: changeit
+
+ 
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name:
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 80
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: chart-example.local
+      paths: []
+  tls: []
+  #  - secretName: chart-example-tls
+  #    hosts:
+  #      - chart-example.local
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+global:
+  postgresql:
+    postgresqlHost:
+    postgresqlUsername: django
+    postgresqlDatabase: django
+    postgresqlPassword: django
+    servicePort: 5432