feat: Add initial Helm Chart with init container

README.md

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+HumHub Helm Chart
+=================
+
+Unofficial Helm Chart for HumHub - an Open Source Social Network.
+Maintained by Riotkit Tech Collective, which is a non-profit, grassroot, activist collective maintaining software for activists network.
+
+What is HumHub?
+---------------
+
+HumHub is an open source social network platform with a wide variety of use cases as social intranet, community or collaboration platform. HumHub consists of a core application, which can be extended through additional modules and adjusted to your needs by many configuration options. 
+
+**Common use cases for HumHub are:**
+- Activist networks
+- Neighbourhood & family networks
+- Public or private communities
+- Enterprise Social Intranet
+- Schools
+- Agencies
+- Municipality
+- Associations
+
+Support
+-------
+
+Each Helm release supports single HumHub version defined in `appVersion` of the [Chart.yaml](charts/humhub/Chart.yaml)

charts/humhub/.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/

charts/humhub/Chart.yaml

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+apiVersion: v2
+name: humhub
+description: "HumHub is a free social network software and framework built to give you the tools to make communication and collaboration easy and successful."
+type: application
+version: 0.1.0
+appVersion: "1.13.0"

charts/humhub/templates/NOTES.txt

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+Riotkit's HumHub Helm Chart
+===========================
+
+Thanks for choosing, hope for a cooperation! Feel free to contribute, as our "manpower" is very limited.
+We are an anarchist tech collective aiming to provide images, Helm Charts, Ansible playbooks for activist networks and not only.
+
+With 161 greetings,
+Riotkit
+
+---
+
+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 }}://{{ $host.host }}{{ .path }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "humhub.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "humhub.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "humhub.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 "humhub.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+{{- end }}

charts/humhub/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "humhub.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "humhub.pvcName" -}}
+{{- default .Values.pvc.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 "humhub.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 "humhub.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "humhub.labels" -}}
+helm.sh/chart: {{ include "humhub.chart" . }}
+{{ include "humhub.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "humhub.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "humhub.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

charts/humhub/templates/deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "humhub.fullname" . }}
+  labels:
+    {{- include "humhub.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "humhub.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "humhub.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      automountServiceAccountToken: false
+      securityContext:
+        {{- if .Values.podSecurityContext }}
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+        {{ else }}
+        {{- toYaml .Values.defaults.podSecurityContext | nindent 8 }}
+        {{- end }}
+      initContainers:
+      {{ if .Values.chownInitContainer.enabled }}
+          - name: set-volume-permissions
+            image: {{ .Values.chownInitContainer.image }}
+            command: ['sh', '-c', 'chown 100:101 {{- range $name, $path := .Values.defaults.mounts }}/mnt/{{ $path }} {{ end }}']
+            securityContext:
+                runAsNonRoot: false
+                runAsUser: 0
+                runAsGroup: 0
+            volumeMounts:
+                {{- range $name, $path := .Values.defaults.mounts }}
+                {{- if $path }}
+                - mountPath: /mnt/{{ $path }}
+                  name: data
+                {{- end }}
+                {{- end }}
+      {{ end }}
+      volumes:
+          - name: data
+            persistentVolumeClaim:
+                claimName: {{ include "humhub.pvcName" . }}
+                readOnly: false
+      containers:
+        - name: humhub
+          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
+          volumeMounts:
+              {{- range $name, $path := .Values.defaults.mounts }}
+              {{- if $path }}
+                - mountPath: /mnt/{{ $path }}
+                  name: data
+              {{- end }}
+              {{- end }}
+          startupProbe:
+              {{ toYaml .Values.health.startupProbe | nindent 14 }}
+              httpGet:
+                  path: /
+                  port: http
+          livenessProbe:
+              {{ toYaml .Values.health.livenessProbe | nindent 14 }}
+              httpGet:
+                  path: /
+                  port: http
+          readinessProbe:
+              {{ toYaml .Values.health.readinessProbe | nindent 14 }}
+              httpGet:
+                  path: /
+                  port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

charts/humhub/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "humhub.fullname" . }}
+  labels:
+    {{- include "humhub.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "humhub.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

charts/humhub/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "humhub.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+apiVersion: networking.k8s.io/v1beta1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "humhub.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: {{ .path }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+          {{- end }}
+    {{- end }}
+  {{- end }}

charts/humhub/templates/service.yaml

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

charts/humhub/templates/tests/test-connection.yaml

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