First version of helm-charts

k8s/helm-chart/Chart.yaml

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+apiVersion: v2
+name: vorgabenui
+description: Helm chart for VorgabenUI Django application with Kroki diagram service
+type: application
+version: 0.1.0
+appVersion: "0.939"
+keywords:
+  - django
+  - kroki
+  - diagrams
+  - vorgabenui
+maintainers:
+  - name: adebaumann
+    email: adebaumann@baumann.gr

k8s/helm-chart/templates/_helpers.tpl

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

k8s/helm-chart/templates/django-deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+    app.kubernetes.io/component: django
+spec:
+  replicas: {{ .Values.django.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "vorgabenui.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: django
+  template:
+    metadata:
+      labels:
+        {{- include "vorgabenui.selectorLabels" . | nindent 8 }}
+        app.kubernetes.io/component: django
+    spec:
+      securityContext:
+        {{- toYaml .Values.django.securityContext | nindent 8 }}
+      initContainers:
+        - name: loader
+          image: "{{ .Values.django.dataLoader.image.repository }}:{{ .Values.django.dataLoader.image.tag }}"
+          command: [ "sh","-c","cp -n preload/preload.sqlite3 /data/db.sqlite3; chown -R 999:999 /data; ls -la /data; sleep 10; exit 0" ]
+          volumeMounts:
+            - name: data
+              mountPath: /data
+      containers:
+        - name: web
+          image: "{{ .Values.django.image.repository }}:{{ .Values.django.image.tag }}"
+          imagePullPolicy: {{ .Values.django.image.pullPolicy }}
+          ports:
+            - containerPort: {{ .Values.django.service.port }}
+          volumeMounts:
+            - name: data
+              mountPath: /app/data
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8000
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 2
+            failureThreshold: 6
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 8000
+            initialDelaySeconds: 20
+            periodSeconds: 20
+            timeoutSeconds: 2
+            failureThreshold: 3
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: {{ include "vorgabenui.fullname" . }}-data-pvc

k8s/helm-chart/templates/django-service.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+    app.kubernetes.io/component: django
+spec:
+  type: {{ .Values.django.service.type }}
+  selector:
+    {{- include "vorgabenui.selectorLabels" . | nindent 4 }}
+    app.kubernetes.io/component: django
+  ports:
+    - port: {{ .Values.django.service.port }}
+      targetPort: {{ .Values.django.service.port }}

k8s/helm-chart/templates/ingress.yaml

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+{{- if .Values.ingress.enabled }}
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  rules:
+    - host: {{ .Values.ingress.host }}
+      http:
+        paths:
+          - path: {{ .Values.ingress.path }}
+            pathType: {{ .Values.ingress.pathType }}
+            backend:
+              service:
+                name: {{ include "vorgabenui.fullname" . }}
+                port:
+                  number: {{ .Values.django.service.port }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- toYaml .Values.ingress.tls | nindent 4 }}
+  {{- end }}
+{{- end }}

k8s/helm-chart/templates/kroki-deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}-kroki
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+    app.kubernetes.io/component: kroki
+spec:
+  replicas: {{ .Values.kroki.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "vorgabenui.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: kroki
+  template:
+    metadata:
+      labels:
+        {{- include "vorgabenui.selectorLabels" . | nindent 8 }}
+        app.kubernetes.io/component: kroki
+    spec:
+      containers:
+        - name: kroki
+          image: "{{ .Values.kroki.image.repository }}:{{ .Values.kroki.image.tag }}"
+          ports:
+            - containerPort: {{ .Values.kroki.service.port }}
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8000
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 2
+            failureThreshold: 6
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 8000
+            initialDelaySeconds: 20
+            periodSeconds: 20
+            timeoutSeconds: 2
+            failureThreshold: 3
+        {{- range $service := .Values.kroki.services }}
+        - name: {{ $service }}
+          image: "{{ $service.image.repository }}:{{ $service.image.tag }}"
+          ports:
+            - containerPort: {{ $service.port }}
+        {{- end }}

k8s/helm-chart/templates/kroki-service.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}-kroki
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+    app.kubernetes.io/component: kroki
+spec:
+  selector:
+    {{- include "vorgabenui.selectorLabels" . | nindent 4 }}
+    app.kubernetes.io/component: kroki
+  ports:
+    - port: {{ .Values.kroki.service.port }}
+      targetPort: {{ .Values.kroki.service.port }}

k8s/helm-chart/templates/pvc.yaml

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+{{- if .Values.persistence.enabled }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "vorgabenui.fullname" . }}-data-pvc
+  namespace: {{ .Values.global.namespace }}
+  labels:
+    {{- include "vorgabenui.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    {{- toYaml .Values.persistence.accessModes | nindent 4 }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClass }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+  {{- end }}
+{{- end }}

k8s/helm-chart/values.yaml

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+# Global settings
+global:
+  namespace: vorgabenui
+
+# Django application settings
+django:
+  replicaCount: 1
+  image:
+    repository: git.baumann.gr/adebaumann/vui
+    tag: "0.939"
+    pullPolicy: Always
+  
+  # Data loader init container
+  dataLoader:
+    image:
+      repository: git.baumann.gr/adebaumann/vui-data-loader
+      tag: "0.8"
+  
+  # Security context
+  securityContext:
+    fsGroup: 999
+    fsGroupChangePolicy: "OnRootMismatch"
+  
+  # Service settings
+  service:
+    type: ClusterIP
+    port: 8000
+
+# Kroki diagram service settings
+kroki:
+  replicaCount: 1
+  
+  # Main kroki service
+  image:
+    repository: git.baumann.gr/adebaumann/kroki
+    tag: "0.026"
+  
+  # Additional diagram services
+  services:
+    mermaid:
+      image:
+        repository: git.baumann.gr/adebaumann/kroki-mermaid
+        tag: "0.026"
+      port: 8002
+    bpmn:
+      image:
+        repository: git.baumann.gr/adebaumann/kroki-bpmn
+        tag: "0.026"
+      port: 8003
+    excalidraw:
+      image:
+        repository: git.baumann.gr/adebaumann/kroki-excalidraw
+        tag: "0.026"
+      port: 8004
+  
+  # Service settings
+  service:
+    port: 8000
+
+# Persistent storage
+persistence:
+  enabled: true
+  storageClass: ""
+  accessModes:
+    - ReadWriteOnce
+  size: 2Gi
+
+# Ingress settings
+ingress:
+  enabled: true
+  className: ""
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+  host: vorgabenportal.knowyoursecurity.com
+  path: /
+  pathType: Prefix
+  tls: []