Tighten validation of Name and Namespace

api/examples/controller-list.json

@@ -3,11 +3,11 @@
     "apiVersion": "v1beta1",
     "items": [
         {
-            "id": "testRun",
+            "id": "test-run",
             "desiredState": {
                 "replicas": 2,
                 "replicaSelector": {
-                    "name": "testRun"
+                    "name": "test-run"
                 },
                 "podTemplate": {
                     "desiredState": {
@@ -23,12 +23,12 @@
                         }
                     },
                     "labels": {
-                        "name": "testRun"
+                        "name": "test-run"
                     }
                 }
             },
             "labels": {
-                "name": "testRun"
+                "name": "test-run"
             }
         }
     ]

api/examples/controller.json

   {
-    "id": "nginxController",
+    "id": "nginx-controller",
     "apiVersion": "v1beta1",
     "kind": "ReplicationController",
     "desiredState": {
@@ -9,7 +9,7 @@
         "desiredState": {
            "manifest": {
              "version": "v1beta1",
-             "id": "nginxController",
+             "id": "nginx-controller",
              "containers": [{
                "name": "nginx",
                "image": "dockerfile/nginx",

api/examples/pod-list.json

@@ -5,8 +5,8 @@
         {
             "id": "my-pod-1",
             "labels": {
-                "name": "testRun",
-                "replicationcontroller": "testRun"
+                "name": "test-run",
+                "replicationcontroller": "test-run"
             },
             "desiredState": {
               "manifest": {
@@ -29,8 +29,8 @@
         {
             "id": "my-pod-2",
             "labels": {
-                "name": "testRun",
-                "replicationcontroller": "testRun"
+                "name": "test-run",
+                "replicationcontroller": "test-run"
             },
             "desiredState": {
               "manifest": {

examples/guestbook/README.md

@@ -121,7 +121,7 @@ Use the file `examples/guestbook/redis-slave-controller.json`:
 
 ```js
 {
-  "id": "redisSlaveController",
+  "id": "redis-slave-controller",
   "kind": "ReplicationController",
   "apiVersion": "v1beta1",
   "desiredState": {
@@ -131,7 +131,7 @@ Use the file `examples/guestbook/redis-slave-controller.json`:
       "desiredState": {
          "manifest": {
            "version": "v1beta1",
-           "id": "redisSlaveController",
+           "id": "redis-slave-controller",
            "containers": [{
              "name": "slave",
              "image": "brendanburns/redis-slave",
@@ -153,11 +153,11 @@ to create the replication controller by running:
 
 ```shell
 $ cluster/kubectl.sh create -f examples/guestbook/redis-slave-controller.json
-redisSlaveController
+redis-slave-controller
 
 # cluster/kubectl.sh get replicationcontrollers
-NAME                   IMAGE(S)                   SELECTOR            REPLICAS
-redisSlaveController   brendanburns/redis-slave   name=redisslave     2
+NAME                    IMAGE(S)                   SELECTOR            REPLICAS
+redis-slave-controller  brendanburns/redis-slave   name=redisslave     2
 ```
 
 The redis slave configures itself by looking for the Kubernetes service environment variables in the container environment. In particular, the redis slave is started with the following command:
@@ -225,7 +225,7 @@ The pod is described in the file `examples/guestbook/frontend-controller.json`:
 
 ```js
 {
-  "id": "frontendController",
+  "id": "frontend-controller",
   "kind": "ReplicationController",
   "apiVersion": "v1beta1",
   "desiredState": {
@@ -235,7 +235,7 @@ The pod is described in the file `examples/guestbook/frontend-controller.json`:
       "desiredState": {
          "manifest": {
            "version": "v1beta1",
-           "id": "frontendController",
+           "id": "frontend-controller",
            "containers": [{
              "name": "php-redis",
              "image": "kubernetes/example-guestbook-php-redis",
@@ -258,12 +258,12 @@ Using this file, you can turn up your frontend with:
 
 ```shell
 $ cluster/kubectl.sh create -f examples/guestbook/frontend-controller.json
-frontendController
+frontend-controller
 
 $ cluster/kubectl.sh get replicationcontrollers
-NAME                   IMAGE(S)                                   SELECTOR            REPLICAS
-redisSlaveController   brendanburns/redis-slave                   name=redisslave     2
-frontendController     kubernetes/example-guestbook-php-redis     name=frontend       3
+NAME                    IMAGE(S)                                   SELECTOR            REPLICAS
+redis-slave-controller  brendanburns/redis-slave                   name=redisslave     2
+frontend-controller     kubernetes/example-guestbook-php-redis     name=frontend       3
 ```
 
 Once that's up (it may take ten to thirty seconds to create the pods) you can list the pods in the cluster, to verify that the master, slaves and frontends are running:

examples/guestbook/frontend-controller.json

 {
-  "id": "frontendController",
+  "id": "frontend-controller",
   "kind": "ReplicationController",
   "apiVersion": "v1beta1",
   "desiredState": {
@@ -9,7 +9,7 @@
       "desiredState": {
          "manifest": {
            "version": "v1beta1",
-           "id": "frontendController",
+           "id": "frontend-controller",
            "containers": [{
              "name": "php-redis",
              "image": "kubernetes/example-guestbook-php-redis",

examples/guestbook/redis-slave-controller.json

 {
-  "id": "redisSlaveController",
+  "id": "redis-slave-controller",
   "kind": "ReplicationController",
   "apiVersion": "v1beta1",
   "desiredState": {
@@ -9,7 +9,7 @@
       "desiredState": {
          "manifest": {
            "version": "v1beta1",
-           "id": "redisSlaveController",
+           "id": "redis-slave-controller",
            "containers": [{
              "name": "slave",
              "image": "brendanburns/redis-slave",

examples/walkthrough/k8s201.md

@@ -23,7 +23,7 @@ Replication controllers are the objects to answer these questions.  A replicatio
 An example replica controller that instantiates two pods running nginx looks like:
 
 ```yaml
-id: nginxController
+id: nginx-controller
 apiVersion: v1beta1
 kind: ReplicationController
 desiredState:

examples/walkthrough/replication-controller.yaml

-id: nginxController
+id: nginx-controller
 apiVersion: v1beta1
 kind: ReplicationController
 desiredState:

hack/e2e-suite/guestbook.sh

@@ -38,10 +38,10 @@ sleep 5
 POD_LIST_1=$($KUBECFG '-template={{range.items}}{{.id}} {{end}}' list pods)
 echo "Pods running: ${POD_LIST_1}"
 
-$KUBECFG stop redisSlaveController
+$KUBECFG stop redis-slave-controller
 # Needed until issue #103 gets fixed
 sleep 25
-$KUBECFG rm redisSlaveController
+$KUBECFG rm redis-slave-controller
 $KUBECFG delete services/redis-master
 $KUBECFG delete pods/redis-master
 

hack/test-cmd.sh

@@ -168,8 +168,8 @@ __EOF__
   kubectl get replicationcontrollers "${kube_flags[@]}"
   kubectl create -f examples/guestbook/frontend-controller.json "${kube_flags[@]}"
   kubectl get replicationcontrollers "${kube_flags[@]}"
-  kubectl describe replicationcontroller frontendController "${kube_flags[@]}" | grep -q 'Replicas:.*3 desired'
-  kubectl delete rc frontendController "${kube_flags[@]}"
+  kubectl describe replicationcontroller frontend-controller "${kube_flags[@]}" | grep -q 'Replicas:.*3 desired'
+  kubectl delete rc frontend-controller "${kube_flags[@]}"
 
   kube::log::status "Testing kubectl(${version}:nodes)"
   kubectl get nodes "${kube_flags[@]}"

pkg/api/validation/validation.go

@@ -467,7 +467,9 @@ func ValidateService(service *api.Service, lister ServiceLister, ctx api.Context
 	} else if !util.IsDNS952Label(service.Name) {
 		allErrs = append(allErrs, errs.NewFieldInvalid("name", service.Name, ""))
 	}
-	if !util.IsDNSSubdomain(service.Namespace) {
+	if len(service.Namespace) == 0 {
+		allErrs = append(allErrs, errs.NewFieldRequired("namespace", service.Namespace))
+	} else if !util.IsDNSSubdomain(service.Namespace) {
 		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", service.Namespace, ""))
 	}
 	if !util.IsValidPortNum(service.Spec.Port) {
@@ -499,8 +501,12 @@ func ValidateReplicationController(controller *api.ReplicationController) errs.V
 	allErrs := errs.ValidationErrorList{}
 	if len(controller.Name) == 0 {
 		allErrs = append(allErrs, errs.NewFieldRequired("name", controller.Name))
+	} else if !util.IsDNSSubdomain(controller.Name) {
+		allErrs = append(allErrs, errs.NewFieldInvalid("name", controller.Name, ""))
 	}
-	if !util.IsDNSSubdomain(controller.Namespace) {
+	if len(controller.Namespace) == 0 {
+		allErrs = append(allErrs, errs.NewFieldRequired("namespace", controller.Namespace))
+	} else if !util.IsDNSSubdomain(controller.Namespace) {
 		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", controller.Namespace, ""))
 	}
 	allErrs = append(allErrs, ValidateReplicationControllerSpec(&controller.Spec).Prefix("spec")...)
@@ -582,11 +588,13 @@ func ValidateBoundPod(pod *api.BoundPod) errs.ValidationErrorList {
 // ValidateMinion tests if required fields in the minion are set.
 func ValidateMinion(minion *api.Node) errs.ValidationErrorList {
 	allErrs := errs.ValidationErrorList{}
-	if len(minion.Namespace) != 0 {
-		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", minion.Namespace, ""))
-	}
 	if len(minion.Name) == 0 {
 		allErrs = append(allErrs, errs.NewFieldRequired("name", minion.Name))
+	} else if !util.IsDNSSubdomain(minion.Name) {
+		allErrs = append(allErrs, errs.NewFieldInvalid("name", minion.Name, ""))
+	}
+	if len(minion.Namespace) != 0 {
+		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", minion.Namespace, ""))
 	}
 	allErrs = append(allErrs, ValidateLabels(minion.Labels, "labels")...)
 	allErrs = append(allErrs, ValidateLabels(minion.Annotations, "annotations")...)

pkg/config/config_test.json

@@ -60,8 +60,8 @@
     }
   },
   {
-    "id": "frontendController",
-    "name": "frontendController",
+    "id": "frontend-controller",
+    "name": "frontend-controller",
     "kind": "ReplicationController",
     "apiVersion": "v1beta1",
     "desiredState": {
@@ -97,8 +97,8 @@
       "labels": {"name": "frontend"}
   },
   {
-    "id": "redisSlaveController",
-    "name": "redisSlaveController",
+    "id": "redis-slave-controller",
+    "name": "redis-slave-controller",
     "kind": "ReplicationController",
     "apiVersion": "v1beta1",
     "desiredState": {

pkg/kubectl/cmd/create_test.go

@@ -114,7 +114,7 @@ func TestCreateDirectory(t *testing.T) {
 	cmd.Flags().Set("filename", "../../../examples/guestbook")
 	cmd.Run(cmd, []string{})
 
-	if buf.String() != "frontendController\nfrontend\nredis-master\nredis-master\nredisSlaveController\nredisslave\n" {
+	if buf.String() != "frontend-controller\nfrontend\nredis-master\nredis-master\nredis-slave-controller\nredisslave\n" {
 		t.Errorf("unexpected output: %s", buf.String())
 	}
 }

pkg/kubectl/cmd/delete_test.go

@@ -206,7 +206,7 @@ func TestDeleteDirectory(t *testing.T) {
 	cmd.Flags().Set("filename", "../../../examples/guestbook")
 	cmd.Run(cmd, []string{})
 
-	if buf.String() != "frontendController\nfrontend\nredis-master\nredis-master\nredisSlaveController\nredisslave\n" {
+	if buf.String() != "frontend-controller\nfrontend\nredis-master\nredis-master\nredis-slave-controller\nredisslave\n" {
 		t.Errorf("unexpected output: %s", buf.String())
 	}
 }

pkg/registry/controller/rest_test.go

@@ -143,7 +143,7 @@ func TestControllerDecode(t *testing.T) {
 func TestControllerParsing(t *testing.T) {
 	expectedController := api.ReplicationController{
 		ObjectMeta: api.ObjectMeta{
-			Name: "nginxController",
+			Name: "nginx-controller",
 			Labels: map[string]string{
 				"name": "nginx",
 			},