Update CoreDNS, KubeDNS and Autoscaler to newest templates (#3711)

* Update DNS Autoscaler to latest

* Update CoreDNS to latest

* Update KubeDNS to latest

* Add KubeDNS config map

* Fix filename

* Add missing selector to DNS Autoscaler

* Add missing tolerations

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

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: dns-autoscaler
@@ -23,10 +23,16 @@ metadata:
     kubernetes.io/cluster-service: "true"
     addonmanager.kubernetes.io/mode: Reconcile
 spec:
+  selector:
+    matchLabels:
+      k8s-app: dns-autoscaler
   template:
     metadata:
       labels:
         k8s-app: dns-autoscaler
+      annotations:
+        scheduler.alpha.kubernetes.io/critical-pod: ''
+        seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
     spec:
 {% if kube_version is version('v1.11.1', '>=') %}
       priorityClassName: system-cluster-critical
@@ -63,7 +69,7 @@ spec:
         command:
         - /cluster-proportional-autoscaler
         - --namespace=kube-system
-        - --default-params={"linear":{"nodesPerReplica":{{ dns_nodes_per_replica }},"min":{{ dns_min_replicas }}}}
+        - --default-params={"linear":{"preventSinglePointFailure":{{ dns_prevent_single_point_failure }},"coresPerReplica":{{ dns_cores_per_replica }},"nodesPerReplica":{{ dns_nodes_per_replica }},"min":{{ dns_min_replicas }}}}
         - --logtostderr=true
         - --v=2
         - --configmap=dns-autoscaler
@@ -73,4 +79,7 @@ spec:
 {% if dns_mode in ['kubedns', 'dnsmasq_kubedns'] %}
         - --target=Deployment/kube-dns
 {% endif %}
-      serviceAccountName: cluster-proportional-autoscaler
+      tolerations:
+      - key: "CriticalAddonsOnly"
+        operator: "Exists"
+      serviceAccountName: dns-autoscaler