Tweaks (#14)

* Fix cidr

* rename

kubernetes/coredns.yaml.sed

@@ -1,4 +1,45 @@
 apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: coredns
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  labels:
+    kubernetes.io/bootstrapping: rbac-defaults
+  name: system:coredns
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - endpoints
+  - services
+  - pods
+  - namespaces
+  verbs:
+  - list
+  - watch
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  annotations:
+    rbac.authorization.kubernetes.io/autoupdate: "true"
+  labels:
+    kubernetes.io/bootstrapping: rbac-defaults
+  name: system:coredns
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:coredns
+subjects:
+- kind: ServiceAccount
+  name: coredns
+  namespace: kube-system
+---
+apiVersion: v1
 kind: ConfigMap
 metadata:
   name: coredns
@@ -36,6 +77,7 @@ spec:
         scheduler.alpha.kubernetes.io/critical-pod: ''
         scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
     spec:
+      serviceAccountName: coredns
       containers:
       - name: coredns
         image: coredns/coredns:latest
@@ -51,6 +93,9 @@ spec:
         - containerPort: 53
           name: dns-tcp
           protocol: TCP
+        - containerPort: 9153
+          name: metrics
+          protocol: TCP
         livenessProbe:
           httpGet:
             path: /health
@@ -89,3 +134,6 @@ spec:
   - name: dns-tcp
     port: 53
     protocol: TCP
+  - name: metrics
+    port: 9153
+    protocol: TCP