Merge pull request #503 from CodeForPhilly/features/k8s-deployment

feat(ci): kubernetes deployment

core/settings/common.py

@@ -25,7 +25,7 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['*']
 
 
 # Application definition

frontend/Dockerfile

@@ -4,4 +4,5 @@ COPY ./ /app
 RUN yarn && yarn build
 
 FROM nginx:alpine
-COPY --from=0 /app/dist /usr/share/nginx/html
+COPY --from=0 /app/dist /usr/share/nginx/html
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf

helm-chart/.helmignore

@@ -0,0 +1,23 @@
+# 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/

helm-chart/Chart.yaml

@@ -0,0 +1,23 @@
+apiVersion: v2
+name: prevention-point
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+appVersion: 1.16.0

helm-chart/templates/_helpers.tpl

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

helm-chart/templates/deployment.yaml

@@ -0,0 +1,98 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "prevention-point.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "prevention-point.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "prevention-point.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+    {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      labels:
+        {{- include "prevention-point.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      volumes:
+      - name: {{ .Release.Name }}-postgresql-data
+        persistentVolumeClaim:
+          claimName: {{ .Release.Name }}-postgresql-data
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      hostAliases:
+        - ip: "127.0.0.1"
+          hostnames:
+            - "app"
+            - "db"
+      containers:
+        {{- with .Values.backend }}
+        - name: {{ $.Chart.Name }}-backend
+          image: "{{ .image.repository }}:{{ .image.tag | default $.Chart.AppVersion }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 8000
+              protocol: TCP
+          env:
+            - name: DJANGO_SETTINGS_MODULE
+              value: core.settings.docker
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+        {{- end }}
+        {{- with .Values.frontend }}
+        - name: {{ $.Chart.Name }}-frontend
+          image: "{{ .image.repository }}:{{ .image.tag | default $.Chart.AppVersion }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+        {{- end }}
+        {{- with .Values.database }}
+        - name: {{ $.Chart.Name }}-database
+          image: "{{ .image.repository }}:{{ .image.tag | default $.Chart.AppVersion }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+          ports:
+            - name: postgresql
+              containerPort: 5432
+              protocol: TCP
+          volumeMounts:
+            - name: {{ $.Release.Name }}-postgresql-data
+              mountPath: /var/lib/postgresql/data
+        {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

helm-chart/templates/ingress.yaml

@@ -0,0 +1,42 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "prevention-point.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 }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "prevention-point.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 }}

helm-chart/templates/pvc.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Release.Name }}-postgresql-data
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "prevention-point.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.storage.postgresql }}

helm-chart/templates/service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "prevention-point.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "prevention-point.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "prevention-point.selectorLabels" . | nindent 4 }}

helm-chart/values.yaml

@@ -0,0 +1,63 @@
+# Default values for prevention-point.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+backend:
+  image:
+    repository: ghcr.io/codeforphilly/prevention-point/backend
+    pullPolicy: Always
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: "latest"
+
+frontend:
+  image:
+    repository: ghcr.io/codeforphilly/prevention-point/frontend
+    pullPolicy: Always
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: "latest"
+
+database:
+  image:
+    repository: postgres
+    pullPolicy: IfNotPresent
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: "11.3-alpine"
+
+storage:
+  postgresql: 5Gi
+
+imagePullSecrets:
+  - name: regcred
+
+nameOverride: ""
+fullnameOverride: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+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
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}