add support for using ansible 2.10.x for deploying kubespray (#7600)

* add support for using ansible 2.10.x for deploying kubespray

* move dns-autoscaler-clusterrole{binding}.yml to files/ folder

* note that ansible 2.10 is now experimentally supported

* coredns: move files to templates like before #4341

roles/kubernetes-apps/ansible/templates/coredns-clusterrole.yml.j2

@@ -0,0 +1,25 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    kubernetes.io/bootstrapping: rbac-defaults
+    addonmanager.kubernetes.io/mode: Reconcile
+  name: system:coredns
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - endpoints
+      - services
+      - pods
+      - namespaces
+    verbs:
+      - list
+      - watch
+  - apiGroups:
+      - ""
+    resources:
+      - nodes
+    verbs:
+      - get

roles/kubernetes-apps/ansible/templates/coredns-clusterrolebinding.yml.j2

@@ -0,0 +1,18 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  annotations:
+    rbac.authorization.kubernetes.io/autoupdate: "true"
+  labels:
+    kubernetes.io/bootstrapping: rbac-defaults
+    addonmanager.kubernetes.io/mode: EnsureExists
+  name: system:coredns
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:coredns
+subjects:
+  - kind: ServiceAccount
+    name: coredns
+    namespace: kube-system

roles/kubernetes-apps/ansible/templates/coredns-sa.yml.j2

@@ -0,0 +1,8 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: coredns
+  namespace: kube-system
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile

roles/kubernetes-apps/ansible/templates/dns-autoscaler-clusterrole.yml.j2

@@ -0,0 +1,34 @@
+---
+# Copyright 2016 The Kubernetes Authors. All rights reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: system:dns-autoscaler
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile
+rules:
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs: ["list", "watch"]
+  - apiGroups: [""]
+    resources: ["replicationcontrollers/scale"]
+    verbs: ["get", "update"]
+  - apiGroups: ["extensions", "apps"]
+    resources: ["deployments/scale", "replicasets/scale"]
+    verbs: ["get", "update"]
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    verbs: ["get", "create"]

roles/kubernetes-apps/ansible/templates/dns-autoscaler-clusterrolebinding.yml.j2

@@ -0,0 +1,29 @@
+---
+# Copyright 2016 The Kubernetes Authors. All rights reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: system:dns-autoscaler
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile
+subjects:
+  - kind: ServiceAccount
+    name: dns-autoscaler
+    namespace: kube-system
+roleRef:
+  kind: ClusterRole
+  name: system:dns-autoscaler
+  apiGroup: rbac.authorization.k8s.io

roles/kubernetes-apps/ansible/templates/dns-autoscaler-sa.yml.j2

@@ -0,0 +1,22 @@
+---
+# Copyright 2016 The Kubernetes Authors. All rights reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+kind: ServiceAccount
+apiVersion: v1
+metadata:
+  name: dns-autoscaler
+  namespace: kube-system
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile