deploy nginx ingress to internal cluster

cluster/external-dns/base/scc.yaml

@@ -0,0 +1,41 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: external-dns
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: external-dns
+rules:
+  - apiGroups: [""]
+    resources: ["services"]
+    verbs: ["get","watch","list"]
+  - apiGroups: [""]
+    resources: ["pods"]
+    verbs: ["get","watch","list"]
+  - apiGroups: ["networking","networking.k8s.io"]
+    resources: ["ingresses"]
+    verbs: ["get","watch","list"]
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs: ["get","watch","list"]
+  - apiGroups: [""]
+    resources: ["endpoints"]
+    verbs: ["get","watch","list"]
+---
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: external-dns-viewer
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: external-dns
+subjects:
+- kind: ServiceAccount
+  name: external-dns
+  namespace: default