Adding helm chart

chart/.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/

chart/Chart.yaml

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+apiVersion: v2
+name: tsidp
+description: A Helm chart for Tailscale tsidp (OIDC Identity Provider)
+home: https://github.com/tailscale/tsidp
+
+keywords:
+  - "tailscale"
+  - "vpn"
+  - "ingress"
+  - "egress"
+  - "wireguard"
+  - "oidc"
+  - "tsidp"
+
+sources:
+  - https://github.com/tailscale/tsidp
+
+type: application
+
+maintainers:
+  - name: tailscale-maintainers
+    url: https://tailscale.com/
+
+# version will be set to Tailscale repo tag (without 'v') at release time.
+version: 0.1.0
+
+# appVersion will be set to Tailscale repo tag at release time.
+appVersion: "latest"

chart/templates/_helpers.tpl

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

chart/templates/authkey-secret.yaml

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+{{- if .Values.auth_key -}}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "tsidp.fullname" . }}-authkey
+  namespace: {{ .Release.Namespace }}
+stringData:
+  auth_key: {{ .Values.auth_key }}
+{{- end -}}

chart/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "tsidp.fullname" . }}
+  labels:
+    {{- include "tsidp.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      {{- include "tsidp.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "tsidp.labels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "tsidp.serviceAccountName" . }}
+      {{- with .Values.podSecurityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          {{- with .Values.securityContext }}
+          securityContext:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: TAILSCALE_USE_WIP_CODE
+              value: "1"
+            - name: TS_STATE_DIR
+              value: "/data"
+            - name: TS_HOSTNAME
+              value: "{{ .Values.hostname }}"
+            - name: TSIDP_PORT
+              value: "{{ .Values.port }}"
+            {{- if .Values.enable_sts }}
+            - name: TSIDP_ENABLE_STS
+              value: "1"
+            {{- end }}
+            {{- if .Values.enable_funnel }}
+            - name: TSIDP_USE_FUNNEL
+              value: "1"
+            {{- end }}
+            {{- if .Values.auth_key }}
+            - name: TS_AUTHKEY
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "tsidp.fullname" . }}-authkey
+                  key: auth_key
+            {{- end }}
+          {{- with .Values.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          volumeMounts:
+            - name: tsidp-data
+              mountPath: /data
+      volumes:
+        {{- if .Values.persistentVolumeClaim.enabled }}
+        - name: tsidp-data
+          persistentVolumeClaim:
+            claimName: {{ include "tsidp.fullname" . }}
+        {{- else }}
+        - name: tsidp-data
+          emptyDir: {}
+        {{- 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 }}

chart/templates/pvc.yaml

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+{{- if .Values.persistentVolumeClaim.enabled -}}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+{{- if .Values.persistentVolumeClaim.annotations }}
+  annotations:
+{{ toYaml .Values.persistentVolumeClaim.annotations | indent 4 }}
+{{- end }}
+  labels:
+    {{- include "tsidp.labels" . | nindent 4 }}
+  name: {{ include "tsidp.fullname" . }}
+spec:
+  accessModes:
+{{ toYaml .Values.persistentVolumeClaim.accessModes | indent 4 }}
+{{- if .Values.persistentVolumeClaim.storageClass }}
+  {{- if (eq "-" .Values.persistentVolumeClaim.storageClass) }}
+  storageClassName: ""
+  {{- else }}
+  storageClassName: {{ .Values.persistentVolumeClaim.storageClass | quote }}
+  {{- end }}
+{{- end }}
+  resources:
+    requests:
+      storage: {{ .Values.persistentVolumeClaim.size | quote }}
+{{- end -}}

chart/templates/serviceaccount.yaml

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

chart/values.yaml

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+# This will set the replicaset count more information can be found here: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
+replicaCount: 1
+
+# This sets the container image more information can be found here: https://kubernetes.io/docs/concepts/containers/images/
+image:
+  repository: ghcr.io/tailscale/tsidp
+  # This sets the pull policy for images.
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+# This is for the secrets for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+imagePullSecrets: []
+# This is to override the chart name.
+nameOverride: ""
+fullnameOverride: ""
+
+# This section builds out the service account more information can be found here: https://kubernetes.io/docs/concepts/security/service-accounts/
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Automatically mount a ServiceAccount's API credentials?
+  automount: 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: ""
+
+# This is for setting Kubernetes Annotations to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
+podAnnotations: {}
+# This is for setting Kubernetes Labels to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
+podLabels: {}
+
+podSecurityContext:
+  fsGroup: 1001
+
+securityContext:
+  runAsUser: 1001
+  runAsNonRoot: true
+  readOnlyRootFilesystem: false
+
+resources: {}
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+persistentVolumeClaim:
+  enabled: false
+  annotations: {}
+  accessModes:
+    - ReadWriteOnce
+  storageClass: ""
+  size: "500Mi"
+
+# Set logging level: debug, info, warn, error
+logLevel: info
+
+# Optional: Tailscale auth key for automatic node registration
+auth_key: ""
+
+# Hostname on tailnet. Will become <hostname>.your-tailnet.ts.net
+hostname: "idp"
+
+# Port to listen on
+port: "443"
+
+# Enable OAuth token exchange using RFC 8693
+enable_sts: true
+
+# Use Tailscale Funnel to make tsidp available on the public internet so it works with SaaS products
+enable_funnel: false