# Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

apiVersion: v1
kind: Namespace
metadata:
  name: tailscale
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: proxies
  namespace: tailscale
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: proxies
  namespace: tailscale
rules:
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["*"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: proxies
  namespace: tailscale
subjects:
- kind: ServiceAccount
  name: proxies
  namespace: tailscale
roleRef:
  kind: Role
  name: proxies
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: operator
  namespace: tailscale
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: tailscale-operator
rules:
- apiGroups: [""]
  resources: ["services", "services/status"]
  verbs: ["*"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: tailscale-operator
subjects:
- kind: ServiceAccount
  name: operator
  namespace: tailscale
roleRef:
  kind: ClusterRole
  name: tailscale-operator
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: operator
  namespace: tailscale
rules:
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["*"]
- apiGroups: ["apps"]
  resources: ["statefulsets"]
  verbs: ["*"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: operator
  namespace: tailscale
subjects:
- kind: ServiceAccount
  name: operator
  namespace: tailscale
roleRef:
  kind: Role
  name: operator
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: Secret
metadata:
  name: operator-oauth
  namespace: tailscale
stringData:
  client_id: # SET CLIENT ID HERE
  client_secret: # SET CLIENT SECRET HERE
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: operator
  namespace: tailscale
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: operator
  template:
    metadata:
      labels:
        app: operator
    spec:
      serviceAccountName: operator
      volumes:
      - name: oauth
        secret:
          secretName: operator-oauth
      containers:
        - name: operator
          image: tailscale/k8s-operator:latest
          resources:
            requests:
              cpu: 500m
              memory: 100Mi
          env:
            - name: OPERATOR_HOSTNAME
              value: tailscale-operator
            - name: OPERATOR_SECRET
              value: operator
            - name: OPERATOR_LOGGING
              value: info
            - name: OPERATOR_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: CLIENT_ID_FILE
              value: /oauth/client_id
            - name: CLIENT_SECRET_FILE
              value: /oauth/client_secret
            - name: PROXY_IMAGE
              value: tailscale/tailscale:latest
            - name: PROXY_TAGS
              value: tag:k8s
          volumeMounts:
          - name: oauth
            mountPath: /oauth
            readOnly: true