Take over the project

I've decided to maintain the project myself now, so I've forked it and
create a drone pipeline to push image to my registry

helm/Chart.yaml

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+---
+apiVersion: v2
+name: openvpn
+description: A Helm chart for deploying OpenVPN
+type: application
+version: 1.0.5
+appVersion: "2.6.6"
+
+sources:
+  - https://git.badhouseplants.net/allanger/container-openvpn-xor
+  - https://github.com/kylemanna/docker-openvpn
+  - https://github.com/lawtancool/docker-openvpn-xor
+
+maintainers:
+  - name: allanger
+    email: allanger@zohomail.com
+    url: https://badhouseplants.net
+
+keywords:
+  - OpenVPN
+  - VPN
+  - xor

helm/LICENSE

@@ -0,0 +1,17 @@
+Permission is hereby granted, without written agreement and without
+license or royalty fees, to use, copy, modify, and distribute this
+software and its documentation for any purpose, provided that the
+above copyright notice and the following two paragraphs appear in
+all copies of this software.
+
+IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
+THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

helm/README.md

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+# helm-openvpn
+
+A helm chart to deploy openvpn
+## K8s reqs:
+--allowed-unsafe-sysctls=net.ipv4.ip_forward
+## How it works?
+
+1. It's generating the openvpn configuration if it's not generated yet. It's an `ininContainer` that really runs only once.
+

helm/templates/NOTES.txt

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+1. Get the application URL by running these commands:

helm/templates/_helpers.tpl

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

helm/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "openvpn-chart.fullname" . }}
+  labels:
+    {{- include "openvpn-chart.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "openvpn-chart.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "openvpn-chart.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      volumes:
+        - name: pvc-openvpn
+          persistentVolumeClaim:
+            claimName: {{ include "openvpn-chart.fullname" . }}
+        - name: pki-scripts
+          configMap:
+            name: {{ include "openvpn-chart.fullname" . }}-pki-scripts
+      securityContext:
+          sysctls:
+            - name: net.ipv4.ip_forward
+              value: "1"
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+            - mountPath: "/etc/openvpn"
+              name: pvc-openvpn
+            - mountPath: /scripts
+              name: pki-scripts
+          env:
+          - name: OVPN_SERVER
+            value: "{{ .Values.openvpn.proto }}://{{ .Values.openvpn.host }}:{{ .Values.openvpn.port }}"
+          securityContext:
+            capabilities:
+              add:
+                - NET_ADMIN
+      initContainers:
+        # ----------------------------------------------------------------------
+        # -- This init container is generating the basic configuration
+        # ----------------------------------------------------------------------
+        - name: 0-ovpn-genconfig
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          volumeMounts:
+            - mountPath: "/etc/openvpn"
+              name: pvc-openvpn
+          env:
+            - name: OVPN_SERVER_URL
+              value: "{{ .Values.openvpn.proto }}://{{ .Values.openvpn.host }}:{{ .Values.openvpn.port }}"
+            - name: OVPN_DATA
+              value: "/etc/openvpn" 
+          command: 
+            - sh
+            - -c 
+            - 'if ! [ -f "/etc/openvpn/ovpn_env.sh" ]; then ovpn_genconfig -u $OVPN_SERVER_URL && touch /etc/openvpn/.init; fi'
+        - name: 1-ovpn-initpki
+          env:
+            - name: OVPN_DATA
+              value: /etc/openvpn
+            - name: EASYRSA_REQ_CN
+              value: {{ .Values.easyrsa.cn }}
+            - name: EASYRSA_REQ_COUNTRY
+              value: {{ .Values.easyrsa.country }}
+            - name: EASYRSA_REQ_PROVINCE
+              value: {{ .Values.easyrsa.province }}
+            - name: EASYRSA_REQ_CITY
+              value: {{ .Values.easyrsa.city }}
+            - name: EASYRSA_REQ_ORG
+              value: {{ .Values.easyrsa.org }}
+            - name: EASYRSA_REQ_EMAIL
+              value: {{ .Values.easyrsa.email }}
+            - name: EASYRSA_REQ_OU
+              value: {{ .Values.easyrsa.ou }}
+            - name: EASYRSA_ALGO
+              value: {{ .Values.easyrsa.algo }}
+            - name: EASYRSA_DIGEST
+              value: {{ .Values.easyrsa.digest }}
+            - name: EASYRSA_BATCH
+              value: "yes" 
+            - name: OVPN_SERVER_URL
+              value: "{{ .Values.openvpn.proto }}://{{ .Values.openvpn.host }}:{{ .Values.openvpn.port }}"
+          volumeMounts:
+            - mountPath: "/etc/openvpn"
+              name: pvc-openvpn
+            - mountPath: /scripts
+              name: pki-scripts
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          command: 
+            - bash
+            - /scripts/init_pki.sh
+      {{- 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/pki-generate-scripts.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "openvpn-chart.fullname" . }}-pki-scripts
+  labels:
+    {{- include "openvpn-chart.labels" . | nindent 4 }}
+data:
+  init_pki.sh: |
+    if [ ! -d /etc/openvpn/pki ]; then
+      source "$OPENVPN/ovpn_env.sh"
+      OVPN_DIR=/etc/openvpn
+      PKI_DIR=$OVPN_DIR/pki
+      cd $OVPN_DIR
+      export EASYRSA_BATCH=yes
+      unset EASYRSA_VARS_FILE
+      /usr/share/easy-rsa/easyrsa init-pki
+      /usr/share/easy-rsa/easyrsa build-ca nopass
+      /usr/share/easy-rsa/easyrsa build-server-full {{ .Values.openvpn.host }} nopass
+      /usr/share/easy-rsa/easyrsa gen-dh
+      cd $PKI_DIR
+      openvpn --genkey tls-crypt-v2-server private/{{ .Values.openvpn.host }}.pem
+      openvpn --genkey secret > ta.key
+    fi
+  gen_client.sh: |
+    source "$OPENVPN/ovpn_env.sh"
+    CLIENTNAME=$1
+    PASSWORD=$2
+    OVPN_DIR=/etc/openvpn
+    cd $OVPN_DIR
+    /usr/share/easy-rsa/easyrsa build-client-full $CLIENTNAME $PASSWORD

helm/templates/pvc.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "openvpn-chart.fullname" . }}
+  labels:
+    {{- include "openvpn-chart.labels" . | nindent 4 }}
+spec:
+  storageClassName: {{ .Values.storage.class }}
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.storage.size }}

helm/templates/service.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "openvpn-chart.fullname" . }}
+  labels:
+    {{- include "openvpn-chart.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      {{- if .Values.service.nodePort }}
+      nodePort: {{ int .Values.service.nodePort }}
+      {{- end}}
+      targetPort: {{ .Values.service.port | default 1194 }}
+      protocol: {{ .Values.service.protocol | default "UDP" | quote }}
+      name: openvpn
+  selector:
+    {{- include "openvpn-chart.selectorLabels" . | nindent 4 }}

helm/templates/tests/test-connection.yaml

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

helm/values.yaml

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+# Default values for openvpn-chart.
+image:
+  repository: git.badhouseplants.net/allanger/container-openvpn
+  pullPolicy: IfNotPresent
+  # -------------------------------------------
+  # -- TODO: Switch to proper versions
+  # -------------------------------------------
+  tag: v2.6.6
+
+# ----------------------------- 
+# -- Open VPN configuration 
+# -----------------------------
+openvpn:
+  proto: udp
+  host: 127.0.0.1
+  port: 1194
+# -----------------------------
+# -- Easy RSA configuration
+# -----------------------------
+easyrsa: 
+  cn: . # -- EASYRSA_REQ_CN
+  country: . # -- EASYRSA_REQ_COUNTRY
+  province: . # -- EASYRSA_REQ_PROVINCE
+  city: . # -- EASYRSA_REQ_CITY
+  org: . # -- EASYRSA_REQ_ORG
+  email: . # -- EASYRSA_REQ_EMAIL
+  ou: Community # -- EASYRSA_REQ_OU
+  algo: ec # -- EASYRSA_ALGO
+  digest: sha512 # -- EASYRSA_DIGEST 
+
+replicaCount: 1
+
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+storage:
+  class: microk8s-hostpath
+  size: 1Gi
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: LoadBalancer
+  port: 1194
+
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}