externaldns.yaml

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: external-dns
  namespace: 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
  namespace: external-dns
  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: external-dns
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: external-dns
  namespace: external-dns
  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: k8s.gcr.io/external-dns/external-dns:v0.13.4
          args:
            - --source=service
            - --source=ingress
            - --domain-filter=aws.leepowell.co.uk
            - --provider=aws
            # - --policy=upsert-only # would prevent ExternalDNS from deleting any records, omit to enable full synchronization
            - --aws-zone-type=public # only look at public hosted zones (valid values are public, private or no value for both)
            - --registry=txt
            - --txt-owner-id=my-hostedzone-identifier
          env:
            - name: AWS_DEFAULT_REGION
              value: eu-west-2
      # securityContext:
      # fsGroup: 65534 # For ExternalDNS to be able to read Kubernetes and AWS token files