RBAC and deployment example for external dns

external-dns.yaml

---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    app: external-dns
  name: external-dns
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    app: external-dns
  name: external-dns
rules:
  - apiGroups:
      - ""
      - extensions
    resources:
      - ingresses
      - services
    verbs:
      - get
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  labels:
    app: external-dns
  name: external-dns
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: external-dns
subjects:
  - kind: ServiceAccount
    name: external-dns
    namespace: infra

---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  labels:
    app: external-dns
  name: external-dns
  namespace: infra
spec:
  replicas: 1
  selector:
    matchLabels:
      app: external-dns
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: external-dns
    spec:
      containers:
        - name: external-dns
          image: "registry.opensource.zalan.do/teapot/external-dns:v0.4.8"
          imagePullPolicy: "IfNotPresent"
          args:
            - --log-level=info
            - --domain-filter=domain.io.
            - --aws-zone-type=public
            - --policy=upsert-only
            - --provider=aws
            - --source=ingress
            - --registry=txt
            - --txt-owner-id=externaldns
          env:
            - name: AWS_DEFAULT_REGION
              value: us-east-1
          livenessProbe:
            httpGet:
              path: /healthz
              port: 7979
          ports:
            - containerPort: 7979
          resources:
            limits:
              memory: 50Mi
            requests:
              cpu: 10m
              memory: 50Mi
      serviceAccountName: external-dns