feat(helm): initial helm chart

helm/.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/

helm/Chart.yaml

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+apiVersion: v2
+name: exposr 
+description: exposr tunnel server
+type: application
+version: 0.1.0
+appVersion: 0.1.0

helm/templates/NOTES.txt

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+exposr-server deployed
+
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }}
+  {{- end }}
+{{- end }}

helm/templates/_helpers.tpl

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

helm/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "exposr.fullname" . }}
+  labels:
+    {{- include "exposr.labels" . | nindent 4 }}
+data:
+  EXPOSR_LOG_LEVEL: "{{ index .Values.exposr "log-level" }}"
+  EXPOSR_ADMIN_ENABLE: "true"
+  EXPOSR_ADMIN_PORT: "8081"
+  EXPOSR_PORT: "8080"
+  EXPOSR_API_URL: "{{ index .Values.exposr "api-url" }}"
+  EXPOSR_INGRESS_0: "http"
+  EXPOSR_HTTP_INGRESS_DOMAIN: "{{ index .Values.exposr "http-ingress-domain" }}"
+  EXPOSR_ALLOW_REGISTRATION: "{{ index .Values.exposr "allow-registration" }}"
+{{- if index .Values.exposr "redis-url" }}
+  EXPOSR_REDIS_URL: "{{ index .Values.exposr "redis-url" }}"
+{{- end }}

helm/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "exposr.fullname" . }}
+  labels:
+    {{- include "exposr.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "exposr.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "exposr.selectorLabels" . | nindent 8 }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      serviceAccountName: {{ include "exposr.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 8080
+              protocol: TCP
+            - name: admin
+              containerPort: 8081
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /ping
+              port: admin 
+          readinessProbe:
+            httpGet:
+              path: /ping
+              port: admin 
+          envFrom:
+            - configMapRef:
+                name: {{ include "exposr.fullname" . }}
+          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 }}

helm/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "exposr.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- 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 "exposr.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: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+        {{- end }}
+  {{- end }}
+{{- end }}

helm/templates/service.yaml

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

helm/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "exposr.serviceAccountName" . }}
+  labels:
+    {{- include "exposr.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}

helm/values.yaml

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+replicaCount: 1
+
+exposr:
+  log-level: info
+  allow-registration: false
+
+image:
+  repository: docker.io/exposr/exposr-server
+  pullPolicy: Always
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  create: false
+  annotations: {}
+  name:
+
+podSecurityContext: {}
+
+securityContext: {}
+
+service:
+  type: ClusterIP
+  port: 80
+  adminPort: 8081
+
+ingress:
+  enabled: false
+  annotations: {}
+  hosts: []
+  tls: []
+
+resources: {}
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}