add mviewer helm chart

mviewer/.helmignore

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+# 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/

mviewer/Chart.yaml

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+apiVersion: v2
+name: mviewer
+description: A Helm chart to deploy the mviewer application
+type: application
+version: 0.1.0
+appVersion: "3.9"
+maintainers:
+  - name: geOrchestra
+    url: https://www.georchestra.org

mviewer/README.md

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+# Mviewer
+
+mviewer est une application cartographique initiée et développée par la Région Bretagne, sous le nom de Kartenn (carte en breton).
+
+Le code source de cette application est librement réutilisable depuis 2014.
+
+De nombreuses collectivités mais également des entreprises, le secteur de la recherche et de l’enseignement utilisent librement cette application et participent à son évolution.
+
+## Source Code
+
+* https://github.com/mviewer/mviewer
+
+## Requirements
+
+Kubernetes: `>=1.14.0-0`
+
+## Dependencies
+
+None
+
+## Installing the Chart
+
+To install the chart with the release name `mviewer`
+
+```console
+helm repo add charts-gs https://camptocamp.github.io/charts-gs/
+helm repo update
+helm install mviewer charts-gs/mviewer
+```
+
+## Uninstalling the Chart
+
+To uninstall the `mviewer` deployment
+
+```console
+helm uninstall mviewer
+```
+
+The command removes all the Kubernetes components associated with the chart **including persistent volumes** and deletes the release.
+
+## Configuration
+
+Read through the [values.yaml](./values.yaml) file. It has several commented out suggested values.
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`.
+
+```console
+helm install mviewer \
+  --set replicaCount="2" \
+    charts-gs/mviewer
+```
+
+Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart.
+
+```console
+helm install mviewer charts-gs/mviewer -f values.yaml
+```
+
+## mviewer configuration
+
+Through the parameter `configuration.git`, you can set a git repository that will be used for configuring mviewer.
+
+Please refer to the docker documentation for more explanations about this custom configuration: https://mviewerdoc.readthedocs.io/fr/latest/doc_tech/deploy.html#avec-docker
+
+## Values
+
+**Important**: Some values here are not documented because those are obvious parameters that you can find the meaning and the usuability through the Kubernetes configuration: https://kubernetes.io/docs/home/
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| image | object | See values.yaml | Set the docker image to use. |
+| configuration | object | See values.yaml | [See above](#mviewer-configuration) |
+| ingress | object | See values.yaml | Configurations for configuring ingress |
+
+## Changelog
+
+### Version 0.1.0
+
+Initial version

mviewer/templates/_bootstrap-mviewer-configuration.tpl

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+{{- define "mviewer.bootstrap_mviewer_configuration" -}}
+- name: bootstrap-mviewer-configuration
+  image: bitnami/git
+  command:
+  - /bin/sh
+  - -c
+  - {{- if .Values.configuration.git.ssh_secret }}
+    mkdir -p /root/.ssh ;
+    cp /ssh-secret/ssh-privatekey /root/.ssh/id_rsa ;
+    chmod 0600 /root/.ssh/id_rsa ;
+    {{- end }}
+    git clone --depth 1 --single-branch {{ .Values.configuration.git.url }} -b {{ .Values.configuration.git.ref }} /usr/share/nginx/html/apps ;
+  {{- if .Values.configuration.git.ssh_secret }}
+  env:
+    - name: GIT_SSH_COMMAND
+      value: ssh -o "IdentitiesOnly=yes" -o "StrictHostKeyChecking no"
+  {{- end }}
+  volumeMounts:
+  - mountPath: /usr/share/nginx/html/apps
+    name: mviewer-configuration
+  {{- if .Values.configuration.git.ssh_secret }}
+  - mountPath: /ssh-secret
+    name: ssh-secret
+  {{- end }}
+{{- end -}}

mviewer/templates/_helpers.tpl

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

mviewer/templates/mviewer-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "helm-mviewer.fullname" . }}-mviewer-deployment
+  labels:
+    {{- include "helm-mviewer.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "helm-mviewer.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "helm-mviewer.selectorLabels" . | nindent 8 }}
+        application/name: {{ include "helm-mviewer.fullname" . }}-mviewer-deployment
+    spec:
+      {{- if .Values.configuration.git.url }}
+      initContainers:
+      {{- include "mviewer.bootstrap_mviewer_configuration" $ | nindent 6 }}
+      {{- end }}
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+          {{- with .Values.lifecycle }}
+          lifecycle:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- with .Values.extra_environment }}
+          env:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          volumeMounts:
+            - name: mviewer-configuration
+              mountPath: /etc/mviewer
+      volumes:
+        - name: mviewer-configuration
+          emptyDir: {}
+        {{- if .Values.configuration.git.ssh_secret }}
+        - name: ssh-secret
+          secret:
+            secretName: {{ .Values.configuration.git.ssh_secret }}
+            defaultMode: 0400
+        {{- 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 }}

mviewer/templates/mviewer-ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "helm-mviewer.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else 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 "helm-mviewer.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- 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: {{ . }}
+            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
+            pathType: Prefix
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}-mviewer-svc
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
+  {{- end }}

mviewer/templates/mviewer-svc.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "helm-mviewer.fullname" . }}-mviewer-svc
+  labels:
+    {{- include "helm-mviewer.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    application/name: {{ include "helm-mviewer.fullname" . }}-mviewer-deployment