update kubedns on ubuntu

cluster/ubuntu/deployAddons.sh

@@ -19,13 +19,16 @@
 set -e
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
-source "config-default.sh"
+source "util.sh"
+detect-master
+KUBE_SERVER="http:\/\/${KUBE_MASTER_IP}:8080"
 
 if [ "${ENABLE_CLUSTER_DNS}" == true ]; then
   echo "Deploying DNS on kubernetes"
-  sed -e "s/{{ pillar\['dns_replicas'\] }}/${DNS_REPLICAS}/g;s/{{ pillar\['dns_domain'\] }}/${DNS_DOMAIN}/g" skydns-rc.yaml.template > skydns-rc.yaml
+  sed -e "s/{{ pillar\['dns_replicas'\] }}/${DNS_REPLICAS}/g;s/{{ pillar\['dns_domain'\] }}/${DNS_DOMAIN}/g;s/kube_server_url/${KUBE_SERVER}/g;" skydns-rc.yaml.template > skydns-rc.yaml
   sed -e "s/{{ pillar\['dns_server'\] }}/${DNS_SERVER_IP}/g" skydns-svc.yaml.template > skydns-svc.yaml
+  
   # use kubectl to create skydns rc and service
-  "${KUBE_ROOT}/cluster/kubectl.sh" create -f skydns-rc.yaml
+  "${KUBE_ROOT}/cluster/kubectl.sh" --namespace=kube-system create -f skydns-rc.yaml
-  "${KUBE_ROOT}/cluster/kubectl.sh" create -f skydns-svc.yaml
+  "${KUBE_ROOT}/cluster/kubectl.sh" --namespace=kube-system create -f skydns-svc.yaml
 fi

cluster/ubuntu/skydns-rc.yaml.template

@@ -1,49 +1,61 @@
+apiVersion: v1
 kind: ReplicationController
-apiVersion: v1beta1
+metadata:
-id: kube-dns
+  name: kube-dns-v4
   namespace: kube-system
   labels:
     k8s-app: kube-dns
+    version: v4
     kubernetes.io/cluster-service: "true"
-desiredState:
+spec:
   replicas: {{ pillar['dns_replicas'] }}
-  replicaSelector:
+  selector:
     k8s-app: kube-dns
-  podTemplate:
+    version: v4
+  template:
+    metadata:
       labels:
-      name: kube-dns
         k8s-app: kube-dns
+        version: v4
         kubernetes.io/cluster-service: "true"
-    desiredState:
+    spec:
-      manifest:
-        version: v1beta2
-        id: kube-dns
-        dnsPolicy: "Default"  # Don't use cluster DNS.
       containers:
       - name: etcd
-            image: quay.io/coreos/etcd:v2.0.3
+        image: gcr.io/google_containers/etcd:2.0.9
-            command: [
+        command:
-                    # entrypoint = "/etcd",
+        - /usr/local/bin/etcd
-                    "-listen-client-urls=http://0.0.0.0:2379,http://0.0.0.0:4001",
+        - -listen-client-urls
-                    "-initial-cluster-token=skydns-etcd",
+        - http://127.0.0.1:2379,http://127.0.0.1:4001
-                    "-advertise-client-urls=http://127.0.0.1:4001",
+        - -advertise-client-urls
-            ]
+        - http://127.0.0.1:2379,http://127.0.0.1:4001
+        - -initial-cluster-token
+        - skydns-etcd
       - name: kube2sky
-            image: gcr.io/google_containers/kube2sky:1.1
+        image: gcr.io/google_containers/kube2sky:1.10
-            command: [
+        args:
-                    # entrypoint = "/kube2sky",
+        # command = "/kube2sky"
-                    "-domain={{ pillar['dns_domain'] }}",
+        - -domain={{ pillar['dns_domain'] }}
-            ]
+        - -kube_master_url=kube_server_url
       - name: skydns
         image: gcr.io/google_containers/skydns:2015-03-11-001
-            command: [
+        args:
-                    # entrypoint = "/skydns",
+        # command = "/skydns"
-                    "-machines=http://localhost:4001",
+        - -machines=http://localhost:4001
-                    "-addr=0.0.0.0:53",
+        - -addr=0.0.0.0:53
-                    "-domain={{ pillar['dns_domain'] }}.",
+        - -domain={{ pillar['dns_domain'] }}.
-            ]
         ports:
-              - name: dns
+        - containerPort: 53
-                containerPort: 53
+          name: dns
           protocol: UDP
-
+        - containerPort: 53
+          name: dns-tcp
+          protocol: TCP
+        livenessProbe:
+          exec:
+            command:
+            - /bin/sh
+            - -c
+            - nslookup kubernetes.default.svc.{{ pillar['dns_domain'] }} localhost >/dev/null
+          initialDelaySeconds: 30
+          timeoutSeconds: 5
+      dnsPolicy: Default  # Don't use cluster DNS.

cluster/ubuntu/skydns-svc.yaml.template

@@ -1,14 +1,20 @@
+apiVersion: v1
 kind: Service
-apiVersion: v1beta1
+metadata:
-id: kube-dns
+  name: kube-dns
   namespace: kube-system
-protocol: UDP
-port: 53
-portalIP: {{ pillar['dns_server'] }}
-containerPort: 53
   labels:
     k8s-app: kube-dns
-  name: kube-dns
     kubernetes.io/cluster-service: "true"
+    kubernetes.io/name: "KubeDNS"
+spec:
   selector:
     k8s-app: kube-dns
+  clusterIP:  {{ pillar['dns_server'] }}
+  ports:
+  - name: dns
+    port: 53
+    protocol: UDP
+  - name: dns-tcp
+    port: 53
+    protocol: TCP