added helm chart for k8s deployment

2026-01-04 22:59:51 +01:00 · 2018-09-24 14:45:48 +02:00
parent 7aeec36120
commit 210a23ef32
9 changed files with 293 additions and 0 deletions
--- a/deployments/helm/.helmignore
+++ b/deployments/helm/.helmignore
@@ -0,0 +1,21 @@
+# 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
--- a/deployments/helm/Chart.yaml
+++ b/deployments/helm/Chart.yaml
@@ -0,0 +1,5 @@
+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for SCM-Manager
+name: scm-manager
+version: 0.1.0
--- a/deployments/helm/templates/NOTES.txt
+++ b/deployments/helm/templates/NOTES.txt
@@ -0,0 +1,19 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range .Values.ingress.hosts }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "scm-manager.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ include "scm-manager.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "scm-manager.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={{ include "scm-manager.name" . }},release={{ .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/deployments/helm/templates/_helpers.tpl
+++ b/deployments/helm/templates/_helpers.tpl
@@ -0,0 +1,32 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "scm-manager.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 "scm-manager.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 "scm-manager.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
--- a/deployments/helm/templates/deployment.yaml
+++ b/deployments/helm/templates/deployment.yaml
@@ -0,0 +1,70 @@
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ include "scm-manager.fullname" . }}
+  labels:
+    app: {{ include "scm-manager.name" . }}
+    chart: {{ include "scm-manager.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  replicas: 1 # could not be scaled
+  selector:
+    matchLabels:
+      app: {{ include "scm-manager.name" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ include "scm-manager.name" . }}
+        release: {{ .Release.Name }}
+    spec:
+      initContainers:
+      - name: volume-permissions
+        image: alpine:3.8
+        imagePullPolicy: IfNotPresent
+        command: ['sh', '-c', 'chown 1000:1000 /data']
+        volumeMounts:
+        - name: data
+          mountPath: /data
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /scm
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /scm
+              port: http
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+          volumeMounts:
+          - name: data
+            mountPath: /var/lib/scm
+      volumes:
+      - name: data
+      {{- if .Values.persistence.enabled }}
+        persistentVolumeClaim:
+          claimName: {{ include "scm-manager.fullname" . }}
+      {{- else }}
+        emptyDir: {}
+      {{- end }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+    {{- end }}
--- a/deployments/helm/templates/ingress.yaml
+++ b/deployments/helm/templates/ingress.yaml
@@ -0,0 +1,38 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "scm-manager.fullname" . -}}
+{{- $ingressPath := .Values.ingress.path -}}
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    app: {{ include "scm-manager.name" . }}
+    chart: {{ include "scm-manager.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+{{- with .Values.ingress.annotations }}
+  annotations:
+{{ toYaml . | indent 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: {{ . | quote }}
+      http:
+        paths:
+          - path: {{ $ingressPath }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: http
+  {{- end }}
+{{- end }}
--- a/deployments/helm/templates/pvc.yaml
+++ b/deployments/helm/templates/pvc.yaml
@@ -0,0 +1,24 @@
+{{- if .Values.persistence.enabled -}}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ include "scm-manager.fullname" . }}
+  labels:
+    app: {{ include "scm-manager.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .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 -}}
--- a/deployments/helm/templates/service.yaml
+++ b/deployments/helm/templates/service.yaml
@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "scm-manager.fullname" . }}
+  labels:
+    app: {{ include "scm-manager.name" . }}
+    chart: {{ include "scm-manager.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: 8080
+      protocol: TCP
+      name: http
+  selector:
+    app: {{ include "scm-manager.name" . }}
+    release: {{ .Release.Name }}
--- a/deployments/helm/values.yaml
+++ b/deployments/helm/values.yaml
@@ -0,0 +1,65 @@
+# Default values for scm-manager.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+# replicaCount: 1
+
+image:
+  repository: cloudogu/scm-manager
+  # TODO change after release, to something more stable
+  tag: latest
+  pullPolicy: Always
+
+nameOverride: ""
+fullnameOverride: ""
+
+service:
+  type: LoadBalancer
+  port: 80
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  path: /
+  hosts:
+    - scm-manager.local
+  tls: []
+  #  - secretName: scm-manager-tls
+  #    hosts:
+  #      - scm-manager.local
+
+## Enable persistence using Persistent Volume Claims
+## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
+##
+persistence:
+  enabled: true
+  ## ghost data Persistent Volume Storage Class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
+  ##
+  # storageClass: "-"
+  accessMode: ReadWriteOnce
+  size: 12Gi
+
+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: 2000m
+    memory: 2048Mi
+  requests:
+    cpu: 50m
+    memory: 256Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}