Update k8s manifests (#15)

* remove ref to deleted file, match proposed manifest in kubeadm pr

* classless cidrs not in 0.9.9

kubernetes/README.md

@@ -28,12 +28,5 @@ $ ./deploy.sh 10.3.0.0/24 | kubectl apply -f -
 $ kubectl delete --namespace=kube-system deployment kube-dns
 ~~~
 
-Kubernetes 1.6 uses Role Based Access Control (RBAC).  The following example uses the 1.6 yaml
-tamplate to replace Kube-DNS and add the RBAC needed for CoreDNS to access the API.
+-Note that the CIDR's netmask needs to be a multiple of 8.
 
-~~~
-$ ./deploy.sh 10.3.0.0/24 cluster.local coredns-1.6.yaml.sed | kubectl apply -f -
-$ kubectl delete --namespace=kube-system deployment kube-dns
-~~~
-
-Note that the CIDR's netmask needs to be a multiple of 8.

kubernetes/coredns.yaml.sed

@@ -73,14 +73,16 @@ spec:
     metadata:
       labels:
         k8s-app: coredns
-      annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
-        scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
     spec:
       serviceAccountName: coredns
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          effect: NoSchedule
+        - key: "CriticalAddonsOnly"
+          operator: "Exists"
       containers:
       - name: coredns
-        image: coredns/coredns:latest
+        image: coredns/coredns:0.9.9
         imagePullPolicy: Always
         args: [ "-conf", "/etc/coredns/Corefile" ]
         volumeMounts: