feat(ntfy): add web push support

ntfy/Chart.yaml

@@ -3,7 +3,7 @@ name: ntfy
 description: A Helm chart for Kubernetes
 icon: https://github.com/binwiederhier/ntfy/raw/main/web/public/static/images/pwa-512x512.png
 type: application
-version: 0.2.0
+version: 0.3.0
 # renovate: image=docker.io/binwiederhier/ntfy
 appVersion: "2.11.0"
 maintainers:

ntfy/README.adoc

@@ -2,7 +2,7 @@
 
 = ntfy
 
-image::https://img.shields.io/badge/Version-0.2.0-informational?style=flat-square[Version: 0.2.0]
+image::https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square[Version: 0.3.0]
 image::https://img.shields.io/badge/Version-application-informational?style=flat-square[Type: application]
 image::https://img.shields.io/badge/AppVersion-2.11.0-informational?style=flat-square[AppVersion: 2.11.0]
 == Maintainers
@@ -157,6 +157,11 @@ helm uninstall ntfy-release
 | `[]`
 |
 
+| kubectl.image
+| object
+| `{"pullPolicy":"IfNotPresent","registry":"docker.io","repository":"bitnami/kubectl","tag":"1.30.3"}`
+| image needed for setup (store generated VAPID / WebPush keys)
+
 | nameOverride
 | string
 | `""`
@@ -392,6 +397,31 @@ helm uninstall ntfy-release
 | `30`
 |
 
+| ntfy.webPush.emailAddress
+| string
+| `""`
+|
+
+| ntfy.webPush.file
+| string
+| `"/data/webpush.db"`
+|
+
+| ntfy.webPush.keys.create
+| bool
+| `false`
+|
+
+| ntfy.webPush.keys.private
+| string
+| `nil`
+|
+
+| ntfy.webPush.keys.public
+| string
+| `nil`
+|
+
 | ntfy.webRoot
 | string
 | `"app"`

ntfy/templates/configmap.yaml

@@ -83,6 +83,16 @@ data:
   {{- end }}
   {{- end }}
 
+  # web-push
+  {{- with .Values.ntfy.webPush }}
+  {{- with .file }}
+  NTFY_WEB_PUSH_FILE: {{ . | quote }}
+  {{- end }}
+  {{- with .emailAddress }}
+  NTFY_WEB_PUSH_EMAIL_ADDRESS: {{ . | quote }}
+  {{- end }}
+  {{- end }}
+
   {{- with .Values.ntfy.keepaliveInterval }}
   NTFY_KEEPALIVE_INTERVAL: {{ . | quote }}
   {{- end }}

ntfy/templates/deployment.yaml

@@ -49,6 +49,8 @@ spec:
           envFrom:
             - configMapRef:
                 name: {{ include "ntfy.fullname" . }}-env
+            - secretRef:
+                name: {{ include "ntfy.fullname" . }}-env
             {{- with .Values.envFrom }}
             {{- toYaml . | nindent 12 }}
             {{- end }}

ntfy/templates/secret.yaml

@@ -0,0 +1,32 @@
+---
+{{- $fullname := include "ntfy.fullname" . }}
+{{- $secretName := printf "%s-env" $fullname }}
+{{- $public := .Values.ntfy.webPush.keys.public }}
+{{- $private := .Values.ntfy.webPush.keys.private }}
+
+{{- with (lookup "v1" "Secret" .Release.Namespace $secretName)}}
+{{- with get . "data" }}
+{{- $public = $public | default (get . "NTFY_WEB_PUSH_PUBLIC_KEY" | b64dec) }}
+{{- $private = $private | default (get . "NTFY_WEB_PUSH_PRIVATE_KEY" | b64dec) }}
+{{- end }}
+{{- end }}
+
+
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ $secretName }}
+  annotations:
+    helm.sh/resource-policy: keep
+    confighash: {{ .Values.ntfy | toYaml | sha256sum | trunc 32 }}
+  labels:
+    {{- include "ntfy.labels" . | nindent 4 }}
+data:
+
+  # web-push
+  {{- with $public }}
+  NTFY_WEB_PUSH_PUBLIC_KEY: {{ . | b64enc }}
+  {{- end }}
+  {{- with $private }}
+  NTFY_WEB_PUSH_PRIVATE_KEY: {{ . | b64enc }}
+  {{- end }}

ntfy/templates/setup/job.yaml

@@ -0,0 +1,61 @@
+{{- if .Values.ntfy.webPush.keys.create }}
+---
+{{- $fullname := (include "ntfy.fullname" .) }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ $fullname }}-setup
+  labels:
+    {{- include "ntfy.labels" . | nindent 4 }}
+    app.kubernetes.io/component: setup-job
+spec:
+  template:
+    metadata:
+      labels:
+        {{- include "ntfy.labels" . | nindent 8 }}
+        app.kubernetes.io/component: setup-job
+    spec:
+      restartPolicy: "Never"
+      serviceAccount: {{ $fullname }}-setup
+      containers:
+        - name: upload-config
+          image: "{{ .Values.kubectl.image.registry }}/{{ .Values.kubectl.image.repository }}:{{ .Values.kubectl.image.tag }}"
+          command:
+            - sh
+            - -c
+            - |
+              # check if key already exists
+              key=$(kubectl get secret {{ $fullname }}-env -o jsonpath="{.data['NTFY_WEB_PUSH_PRIVATE_KEY']}" 2> /dev/null)
+              [ $? -ne 0 ] && echo "Failed to get existing secret" && exit 1
+              [ -n "$key" ] && echo "Config already created, exiting." && exit 0
+              # wait for config
+              while [ ! -f /data/output ]; do
+                echo "Waiting for config.."
+                sleep 5;
+              done
+              # update secret
+              public=$(grep -Po 'web-push-public-key: \K[^$]*' /data/output)
+              private=$(grep -Po 'web-push-private-key: \K[^$]*' /data/output)
+              kubectl patch secret {{ $fullname }}-env -p '{"data":{"NTFY_WEB_PUSH_PRIVATE_KEY":"'$(echo -n "$private" | base64 -w 0)'","NTFY_WEB_PUSH_PUBLIC_KEY":"'$(echo -n "$public" | base64 -w 0)'"}}'
+              [ $? -ne 0 ] && echo "Failed to update secret." && exit 1
+              echo "VAPID/WebPush successfully setup with public-key: ${public}"
+          volumeMounts:
+            - mountPath: /data/
+              name: data
+              readOnly: true
+        - name: generate-config
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default (printf "v%s" .Chart.AppVersion) }}"
+          command:
+            - sh 
+            - -c
+            - ntfy webpush keys 2> /data/output
+          volumeMounts:
+            - mountPath: /data/
+              name: data
+      volumes:
+        - name: data
+          emptyDir: {}
+  parallelism: 1
+  completions: 1
+  backoffLimit: 1
+{{- end }}

ntfy/templates/setup/role.yaml

@@ -0,0 +1,22 @@
+{{- if .Values.ntfy.webPush.keys.create }}
+---
+{{- $fullname := (include "ntfy.fullname" .) }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ $fullname }}-setup
+  labels:
+    {{- include "ntfy.labels" . | nindent 4 }}
+    app.kubernetes.io/component: setup-job
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+    resourceNames:
+      - {{ $fullname }}-env
+    verbs:
+      - get
+      - update
+      - patch
+{{- end }}

ntfy/templates/setup/rolebinding.yaml

@@ -0,0 +1,19 @@
+{{- if .Values.ntfy.webPush.keys.create }}
+---
+{{- $fullname := (include "ntfy.fullname" .) }}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ $fullname }}-setup
+  labels:
+    {{- include "ntfy.labels" . | nindent 4 }}
+    app.kubernetes.io/component: setup-job
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: {{ $fullname }}-setup
+subjects:
+  - kind: ServiceAccount
+    name: {{ $fullname }}-setup
+    namespace: {{ .Release.Namespace }}
+{{- end }}

ntfy/templates/setup/serviceaccount.yaml

@@ -0,0 +1,9 @@
+{{- if .Values.ntfy.webPush.keys.create }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "ntfy.fullname" . }}-setup
+  labels:
+    {{- include "ntfy.labels" . | nindent 4 }}
+    app.kubernetes.io/component: setup-job
+{{- end }}

ntfy/values.yaml

@@ -10,6 +10,14 @@ image:
   # Overrides the image tag whose default is the chart appVersion.
   tag: ""
 
+kubectl:
+  # -- image needed for setup (store generated VAPID / WebPush keys)
+  image:
+    registry: docker.io
+    repository: bitnami/kubectl
+    pullPolicy: IfNotPresent
+    tag: 1.30.3
+
 imagePullSecrets: []
 nameOverride: ""
 fullnameOverride: ""
@@ -66,6 +74,13 @@ ntfy:
     server:
       domain: null
       addrPrefix: null
+  webPush:
+    keys:
+      create: false
+      public:
+      private:
+    file: "/data/webpush.db"
+    emailAddress: ""
   globalTopicLimit: 15000
   visitor:
     subscriptionLimit: 30