apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: external-dns
  labels:
    app.kubernetes.io/name: external-dns
rules:
  - apiGroups: [""]
    resources: ["services","endpoints","pods","nodes"]
    verbs: ["get","watch","list"]
  - apiGroups: ["extensions","networking.k8s.io"]
    resources: ["ingresses"]
    verbs: ["get","watch","list"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: external-dns-viewer
  labels:
    app.kubernetes.io/name: external-dns
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: external-dns
subjects:
  - kind: ServiceAccount
    name: external-dns
    namespace: kube-system # change to desired namespace: externaldns, kube-addons
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: external-dns
  namespace: kube-system
  labels:
    app.kubernetes.io/name: external-dns
spec:
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app.kubernetes.io/name: external-dns
  template:
    metadata:
      labels:
        app.kubernetes.io/name: external-dns
    spec:
      serviceAccountName: external-dns
      containers:
        - name: external-dns
          image: registry.k8s.io/external-dns/external-dns:v0.14.2
          args:
            - --source=service
            - --source=ingress
            - --domain-filter=reeseapps.com
            - --provider=aws
            - --aws-zone-type=public
            - --registry=txt
            # - --txt-owner-id=external-dns
          env:
            - name: AWS_DEFAULT_REGION
              value: us-east-1 # change to region where EKS is installed
            - name: AWS_SHARED_CREDENTIALS_FILE
              value: /.aws/externaldns-credentials
          volumeMounts:
            - name: aws-credentials
              mountPath: /.aws
              readOnly: true
          resources:
            requests:
              memory: "64Mi"
              cpu: "250m"
            limits:
              memory: "128Mi"
              cpu: "500m"

      volumes:
        - name: aws-credentials
          secret:
            secretName: external-dns