Add helm chart

2019-08-27 17:14:20 +02:00 · 2019-08-27 17:14:20 +02:00 · b9c35fb62f
commit b9c35fb62f
parent ce9158eb07
19 changed files with 656 additions and 0 deletions
--- a/helm/templates/NOTES.txt
+++ b/helm/templates/NOTES.txt
@ -0,0 +1,21 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range $.Values.ingress.paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host }}{{ . }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "netbox.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ include "netbox.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "netbox.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 "netbox.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 }}
--- a/helm/templates/_helpers.tpl
+++ b/helm/templates/_helpers.tpl
@ -0,0 +1,37 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "netbox.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 "netbox.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 "netbox.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "redis.child.fullname" }}
+{{- $redis := (dict "Release" (dict "Name" .Release.Name) "Chart" (dict "Name" "redis") "Values" (index .Values "redis")) }}
+{{ template "redis.fullname" $redis }}
+{{- end }}
--- a/helm/templates/_netbox.tpl
+++ b/helm/templates/_netbox.tpl
@ -0,0 +1,125 @@
+{{- define "netbox.common" -}}
+{{- $postgresql := (dict "Release" (dict "Name" .Release.Name) "Chart" (dict "Name" "postgresql") "Values" (index .Values.postgresql)) }}
+{{- $netboxEnv := include (print $.Template.BasePath "/netbox-env.yaml") . }}
+{{- $netboxSecretEnv := include (print $.Template.BasePath "/netbox-secret-env.yaml") . }}
+{{- $nginxConfig := include (print $.Template.BasePath "/nginx-config.yaml") . }}
+selector:
+  matchLabels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+template:
+  metadata:
+    labels:
+      app.kubernetes.io/name: {{ include "netbox.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+    annotations:
+      checksum/config: {{ print "%s%s%s" $netboxEnv $netboxSecretEnv $nginxConfig | sha256sum }}
+  spec:
+    containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        resources:
+          {{- toYaml .Values.resources | indent 12 }}
+        envFrom:
+        - configMapRef:
+            name: "{{ include "netbox.fullname" . }}-env"
+        - secretRef:
+            name: "{{ include "netbox.fullname" . }}-env"
+{{- if or (or .Values.postgresql.enabled .Values.redis.enabled) .Values.redis.existingSecret }}
+        env:
+{{- if .Values.postgresql.enabled }}
+        - name: DB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: "{{ include "postgresql.fullname" $postgresql }}"
+              key: "postgresql-password"
+{{- end }}
+{{- if or .Values.redis.enabled .Values.redis.existingSecret }}
+        - name: REDIS_PASSWORD
+          valueFrom:
+            secretKeyRef:
+{{- if .Values.redis.existingSecret }}
+              name: {{ .Values.redis.existingSecret | quote}}
+{{- else }}
+              name: {{ include "redis.child.fullname" . | trim | quote }}
+{{- end }}
+              key: 'redis-password'
+{{- end }}
+{{- end }}
+        volumeMounts:
+        - name: netbox-static-files
+          mountPath: /opt/netbox/netbox/static/
+        - name: netbox-media-files
+          mountPath: /etc/netbox/media
+        {{- if .Values.initializers }}
+        - name: netbox-initializers
+          mountPath: /opt/netbox/initializers/
+        {{- end }}
+        {{- range $mount := .Values.extraVolumeMounts }}
+        - {{ $mount | toYaml | indent 10 | trim }}
+        {{- end }}
+      - name: nginx
+        image: "{{ .Values.nginxImage.repository }}:{{ .Values.nginxImage.tag }}"
+        imagePullPolicy: {{ .Values.nginxImage.pullPolicy }}
+        command: ["nginx"]
+        args: ["-c", "/etc/netbox-nginx/nginx.conf", "-g", "daemon off;"]
+        ports:
+        - name: http
+          containerPort: 80
+          protocol: TCP
+        {{- with .Values.livenessProbe }}
+        livenessProbe:
+          {{ . | toYaml | indent 10 | trim }}
+        {{- end }}
+        {{- with .Values.readinessProbe }}
+        readinessProbe:
+          {{ . | toYaml | indent 10 | trim }}
+        {{- end }}
+        volumeMounts:
+        - name: nginx-config
+          mountPath: /etc/netbox-nginx/
+        - name: netbox-static-files
+          mountPath: /opt/netbox/netbox/static
+      {{- range $container := .Values.extraContainers }}
+      - {{ $container | toYaml | indent 8 | trim }}
+      {{- end }}
+    {{- if .Values.extraInitContainers }}
+    initContainers:
+    {{ toYaml .Values.extraInitContainers | nindent 4}}
+    {{- end }}
+    restartPolicy: {{ .Values.restartPolicy }}
+    {{- with .Values.nodeSelector }}
+    nodeSelector:
+    {{- toYaml . | indent 4  }}
+    {{- end }}
+    {{- with .Values.affinity }}
+    affinity:
+    {{- toYaml . | indent 4 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+    tolerations:
+    {{- toYaml . | indent 4 }}
+    {{- end }}
+    volumes:
+    {{- range $volume := .Values.extraVolumes }}
+    - {{ $volume | toYaml | indent 6 | trim }}
+    {{- end }}
+    {{- if .Values.initializers }}
+    - name: netbox-initializers
+      configMap:
+        name: {{ include "netbox.fullname" . }}-initializers
+    {{- end }}
+    - name: nginx-config
+      configMap:
+        name: {{ include "netbox.fullname" . }}-nginx
+    - name: netbox-config-file
+      configMap:
+        name: {{ include "netbox.fullname" . }}-nginx
+    - name: netbox-static-files
+      emptyDir: {}
+{{- if not .Values.persistence.enabled }}
+    - name: netbox-media-files
+      emptyDir: {}
+{{- end }}
+{{- end -}}
--- a/helm/templates/deployment.yaml
+++ b/helm/templates/deployment.yaml
@ -0,0 +1,20 @@
+{{- if eq .Values.kind "Deployment" }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "netbox.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- with .Values.extraLabels }}
+    {{ . | toYaml | trim | nindent 4 }}
+    {{- end }}
+spec:
+  replicas: {{ .Values.deployment.replicaCount }}
+{{ include "netbox.common" . | indent 2 }}
+{{- if .Values.persistence.enabled }}
+    {{ required "With Deployment, .Values.persistence.customClaim is required for persistence" .Values.persistence.customClaim | toYaml | nindent 4 }}
+{{- end }}
+{{- end }}
--- a/helm/templates/ingress.yaml
+++ b/helm/templates/ingress.yaml
@ -0,0 +1,45 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "netbox.fullname" . -}}
+{{- $ingressPaths := .Values.ingress.paths -}}
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  {{- if or .Values.ingress.annotations (and .Values.ingress.isNginx .Values.nginx.proxyBodySize) }}
+  annotations:
+  {{- if and .Values.ingress.isNginx .Values.nginx.proxyBodySize }}
+     nginx.ingress.kubernetes.io/proxy-body-size: '{{ .Values.nginx.proxyBodySize }}'
+  {{ end }}
+  {{- with .Values.ingress.annotations }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- 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: {{ . | quote }}
+      http:
+        paths:
+	{{- range $ingressPaths }}
+          - path: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: http
+	{{- end }}
+  {{- end }}
+{{- end }}
--- a/helm/templates/netbox-env.yaml
+++ b/helm/templates/netbox-env.yaml
@ -0,0 +1,31 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "netbox.fullname" . }}-env
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+data:
+{{- if .Values.postgresql.host }}
+  DB_HOST: '{{ .Values.postgresql.host }}'
+{{- else }}
+  DB_HOST: '{{ .Release.Name }}-postgresql'
+{{- end }}
+{{- if .Values.redis.host }}
+  REDIS_HOST: '{{ .Values.redis.host }}'
+{{- else }}
+  REDIS_HOST: '{{ include "redis.child.fullname" . | trim }}-master'
+{{- end }}
+  DB_NAME: '{{ .Values.postgresql.postgresqlDatabase }}'
+  ALLOWED_HOSTS: '{{ .Values.allowedHosts }}'
+  EMAIL_FROM: '{{ .Values.emailFrom }}'
+  EMAIL_PORT: '{{ .Values.emailPort }}'
+  EMAIL_SERVER: '{{ .Values.emailServer }}'
+  EMAIL_TIMEOUT: '{{ .Values.emailTimeout }}'
+  SUPERUSER_NAME: '{{ .Values.superuser.name }}'
+  SUPERUSER_EMAIL: '{{ .Values.superuser.email }}'
+{{- range $key, $value := .Values.extraEnvs }}
+  {{ $key }}: '{{ $value }}'
+{{- end }}
--- a/helm/templates/netbox-initializers.yaml
+++ b/helm/templates/netbox-initializers.yaml
@ -0,0 +1,16 @@
+{{- if .Values.initializers  }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "netbox.fullname" . }}-initializers
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+data:
+{{- range $key, $value := .Values.initializers }}
+  {{ $key }}: |
+    {{ $value | indent 4 | trim }}
+{{- end }}
+{{- end }}
--- a/helm/templates/netbox-secret-env.yaml
+++ b/helm/templates/netbox-secret-env.yaml
@ -0,0 +1,41 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "netbox.fullname" . }}-env
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+data:
+  DB_USER: {{ .Values.postgresql.postgresqlUsername | b64enc | quote }}
+{{- if not .Values.postgresql.enabled }}
+  DB_PASSWORD: {{ .Values.postgresql.postgresqlPassword | b64enc | quote }}
+{{- end }}
+{{- if .Values.redis.password }}
+  REDIS_PASSWORD: {{ .Values.redis.password |b64enc | quote }}
+{{- end }}
+{{- if .Values.secretKey }}
+  SECRET_KEY: {{ .Values.secretKey | b64enc | quote }}
+{{- else }}
+  SECRET_KEY: {{ randAscii 50 | trimall "'" | b64enc | quote }}
+{{- end }}
+{{- with .Values.emailUsername }}
+  EMAIL_USERNAME: {{ . | b64enc | quote }}
+{{- end }}
+{{- with .Values.emailPassword }}
+  EMAIL_PASSWORD: {{ . | b64enc | quote }}
+{{- end }}
+{{- if .Values.superuser.password }}
+  SUPERUSER_PASSWORD: {{ .Values.superuser.password | b64enc | quote }}
+{{- else }}
+  SUPERUSER_PASSWORD: {{ randAscii 10 | trimall "'" | b64enc | quote }}
+{{- end }}
+{{- if .Values.superuser.token }}
+  SUPERUSER_TOKEN: {{ .Values.superuser.token | b64enc | quote }}
+{{- else }}
+  SUPERUSER_TOKEN: {{ randAscii 40 | trimall "'" | b64enc | quote }}
+{{- end }}
+{{- range $key, $value := .Values.extraSecretEnvs }}
+  {{ $key }}: {{ $value | b64enc | quote }}
+{{- end }}
--- a/helm/templates/netbox-secret.yaml
+++ b/helm/templates/netbox-secret.yaml
@ -0,0 +1,15 @@
+{{- if .Values.extraSecrets }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "netbox.fullname" . }}-secret
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+data:
+{{- range $key, $value := .Values.extraSecrets }}
+  {{ $key }}: {{ $value | b64enc | quote }}
+{{- end }}
+{{- end }}
--- a/helm/templates/nginx-config.yaml
+++ b/helm/templates/nginx-config.yaml
@ -0,0 +1,45 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "netbox.fullname" . }}-nginx
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+data:
+  nginx.conf: |
+{{- if .Values.nginx.customConfig }}
+{{ .Values.nginx.customConfig | indent 4 }}
+{{- else }}
+    worker_processes 1;
+    events {
+      worker_connections  1024;
+    }
+    http {
+      include           /etc/nginx/mime.types;
+      default_type      application/octet-stream;
+      sendfile          on;
+      tcp_nopush        on;
+      keepalive_timeout 65;
+      gzip              on;
+      server_tokens     off;
+      server {
+          listen 80;
+          access_log off;
+          location /static/ {
+            alias /opt/netbox/netbox/static/;
+          }
+          location / {
+            proxy_pass {{ .Values.nginx.proxyPass }};
+            {{- with .Values.nginx.proxyBodySize }}
+            client_max_body_size {{.}};
+            {{- end }}
+            proxy_set_header X-Forwarded-Host $http_host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            add_header P3P 'CP="ALL DSP COR PSAa PSDa OUR NOR ONL UNI COM NAV"';
+          }
+      }
+    }
+{{- end }}
--- a/helm/templates/service.yaml
+++ b/helm/templates/service.yaml
@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "netbox.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.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 "netbox.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
--- a/helm/templates/statefulset.yaml
+++ b/helm/templates/statefulset.yaml
@ -0,0 +1,51 @@
+{{- if eq .Values.kind "StatefulSet" }}
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "netbox.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    {{- with .Values.extraLabels }}
+    {{ . | toYaml | trim | nindent 4 }}
+    {{- end }}
+spec:
+  replicas: {{ .Values.statefulSet.replicaCount }}
+{{- with .Values.statefulSet.updateStrategy }}
+  updateStrategy:
+  {{ . | toYaml | trim |indent 2 }}
+{{- end }}
+  serviceName: 'netbox'
+{{ include "netbox.common" . | indent 2 }}
+{{- if .Values.persistence.enabled }}
+{{- if .Values.persistence.customClaim }}
+    {{ .Values.persistence.customClaim | toYaml | nindent 4 }}
+{{- else }}
+  volumeClaimTemplates:
+  - spec:
+      accessModes:
+      {{- range .Values.persistence.accessModes }}
+        - {{ . | quote }}
+      {{- end }}
+      resources:
+        requests:
+          storage: "{{.Values.persistence.size }}"
+    {{- if .Values.persistence.storageClass }}
+    {{- if (eq "-" .Values.server.persistence.storageClass) }}
+      storageClassName: ""
+    {{- else }}
+      storageClassName: "{{ .Values.persistence.storageClass }}"
+    {{- end }}
+    {{- end }}
+    metadata:
+      name: netbox-media-files
+      labels:
+        app.kubernetes.io/name: {{ include "netbox.name" . }}
+        helm.sh/chart: {{ include "netbox.chart" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+{{- end }}
+{{- end }}
--- a/helm/templates/tests/test-connection.yaml
+++ b/helm/templates/tests/test-connection.yaml
@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "netbox.fullname" . }}-test-connection"
+  labels:
+    app.kubernetes.io/name: {{ include "netbox.name" . }}
+    helm.sh/chart: {{ include "netbox.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 "netbox.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never