first commit

2024-10-15 16:19:57 +02:00
commit 869a756e4b
11 changed files with 449 additions and 0 deletions
--- a/templates/_all.tpl
+++ b/templates/_all.tpl
@@ -0,0 +1,15 @@
+{{/*
+Main entrypoint for the common library chart. It will render all underlying templates based on the provided values.
+*/}}
+{{- define "lib.all" -}}
+  {{- include "lib.values.setup" . }}
+  {{- if .Values.serviceAccount.create -}}
+  {{- include "lib.serviceaccount" .  | nindent 0 }}
+  {{- end -}}
+  {{ include "lib.service" . | nindent 0 }}
+  {{ if eq .Values.controller.type "statefulset" }}
+  {{- include "lib.statefulset" . | nindent 0}}
+  {{- end -}}
+{{- end -}}
+
+
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@@ -0,0 +1,72 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "lib.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 "lib.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 "lib.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "lib.labels" -}}
+helm.sh/chart: {{ include "lib.chart" . }}
+{{ include "lib.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "lib.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "lib.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "lib.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "lib.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/* Merge the local chart values and the library chart defaults */}}
+{{- define "lib.values.setup" -}}
+  {{- if .Values.lib -}}
+    {{- $defaultValues := deepCopy .Values.lib -}}
+    {{- $userValues := deepCopy (omit .Values "lib") -}}
+    {{- $mergedValues := mustMergeOverwrite $defaultValues $userValues -}}
+    {{- $_ := set . "Values" (deepCopy $mergedValues) -}}
+  {{- end -}}
+{{- end -}}
--- a/templates/_ingress.tpl
+++ b/templates/_ingress.tpl
@@ -0,0 +1,62 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "lib.fullname" . -}}
+{{- $svcName := .Values.ingress.service -}}
+{{- $svcPort := .Values.ingress.servicePort -}}
+{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
+  {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
+  {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
+  {{- end }}
+{{- end }}
+{{- 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 "lib.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: {{ .path }}
+            {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+            pathType: {{ .pathType }}
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
+{{- end }}
--- a/templates/_notes.tpl
+++ b/templates/_notes.tpl
@@ -0,0 +1,8 @@
+{{/*
+Default NOTES.txt content.
+*/}}
+{{- define "lib.defaultNotes" -}}
+
+
+
+{{- end -}}
--- a/templates/_service.tpl
+++ b/templates/_service.tpl
@@ -0,0 +1,29 @@
+{{- define "lib.service" -}}
+{{- $servicename :=  include "lib.fullname" . }}
+{{- $labels := include "lib.labels" . }}
+{{- $selectorlabels := include "lib.selectorLabels" . }}
+{{- $ns := .Values.namespace }}
+{{- range $name, $values := .Values.service }}
+{{- if $values.enabled }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ $servicename }}-{{ $name }}
+  namespace: {{ $ns }}
+  labels:
+    {{- $labels | nindent 4 }}
+spec:
+  type: {{ $values.type }}
+  ports:
+  {{- range $k, $v := $values.ports }}
+    - port: {{ $v.port }}
+      targetPort: {{ default $v.targetPort $v.port }}
+      protocol: {{ $v.protocol }}
+      name: {{ $k }}
+  {{- end }}
+  selector:
+    {{- $selectorlabels | nindent 4 }}
+{{- end -}}
+{{- end -}}
+{{- end -}}
--- a/templates/_serviceaccount.tpl
+++ b/templates/_serviceaccount.tpl
@@ -0,0 +1,15 @@
+
+{{- define "lib.serviceaccount" -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "lib.serviceAccountName" . }}
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "lib.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}  
--- a/templates/_statefulset.tpl
+++ b/templates/_statefulset.tpl
@@ -0,0 +1,79 @@
+{{- define "lib.statefulset" }}
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "lib.fullname" . }}
+  namespace: {{ .Values.namespace }}
+  labels:
+    {{- include "lib.labels" . | nindent 4 }}
+spec:
+  persistentVolumeClaimRetentionPolicy:
+    whenDeleted: Retain
+    whenScaled: Retain
+  replicas: {{ .Values.controller.replicas }}
+  selector:
+    matchLabels:
+      {{- include "lib.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.controller.annotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "lib.labels" . | nindent 8 }}
+        {{- with .Values.controller.labels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "lib.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.controller.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.controller.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+          {{- range $name, $values := .Values.service -}}
+          {{- if $values.enabled -}}
+          {{- range $k, $v := $values.ports }}
+            - name: {{ $k }}
+              containerPort: {{ $v.targetPort | default $v.port }}
+              protocol: {{ $v.protocol }}
+          {{- end -}}
+          {{- end -}}
+          {{- end }}
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- with .Values.volumeMounts }}
+          volumeMounts:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with .Values.volumes }}
+      volumes:
+        {{- toYaml . | nindent 8 }}
+      {{- 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 }}
+{{- end -}}