UPSTREAM: 29006: Dynamic provisioning v2beta

- it is not merged upstream yet
- some changes outside of `vedor/` were needed to compile it and run it
  (especially pv-binder-controller got privileges to list+watch
  extensions/StorageClass instances)

Author: jsafrane

pkg/cmd/server/bootstrappolicy/infra_sa_policy.go

@@ -506,6 +506,12 @@ func init() {
 					Verbs:     sets.NewString("create", "update", "patch"),
 					Resources: sets.NewString("events"),
 				},
+				// PersistentVolumeController.syncClaim() -> provisionClaim()
+				{
+					APIGroups: []string{extensions.GroupName},
+					Verbs:     sets.NewString("list", "watch"),
+					Resources: sets.NewString("storageclasses"),
+				},
 			},
 		},
 	)

pkg/cmd/server/kubernetes/master.go

@@ -154,20 +154,15 @@ func (c *MasterConfig) RunNamespaceController(kubeClient internalclientset.Inter
 
 func (c *MasterConfig) RunPersistentVolumeController(client *client.Client, namespace, recyclerImageName, recyclerServiceAccountName string) {
 	s := c.ControllerManager
-	provisioner, err := kctrlmgr.NewVolumeProvisioner(c.CloudProvider, s.VolumeConfiguration)
-	if err != nil {
-		glog.Fatal("A Provisioner could not be created, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.")
-	}
-
 	volumeController := persistentvolumecontroller.NewPersistentVolumeController(
 		clientadapter.FromUnversionedClient(client),
 		s.PVClaimBinderSyncPeriod.Duration,
-		provisioner,
-		probeRecyclableVolumePlugins(s.VolumeConfiguration, namespace, recyclerImageName, recyclerServiceAccountName),
+		probeControllerVolumePlugins(s.VolumeConfiguration, namespace, recyclerImageName, recyclerServiceAccountName),
 		c.CloudProvider,
 		s.ClusterName,
-		nil, nil, nil,
+		nil, nil, nil, nil,
 		s.VolumeConfiguration.EnableDynamicProvisioning,
+		"",
 	)
 	volumeController.Run()
 
@@ -187,8 +182,8 @@ func (c *MasterConfig) RunPersistentVolumeController(client *client.Client, name
 	}
 }
 
-// probeRecyclableVolumePlugins collects all persistent volume plugins into an easy to use list.
-func probeRecyclableVolumePlugins(config componentconfig.VolumeConfiguration, namespace, recyclerImageName, recyclerServiceAccountName string) []volume.VolumePlugin {
+// probeControllerVolumePlugins collects all persistent volume plugins into an easy to use list.
+func probeControllerVolumePlugins(config componentconfig.VolumeConfiguration, namespace, recyclerImageName, recyclerServiceAccountName string) []volume.VolumePlugin {
 	uid := int64(0)
 	defaultScrubPod := volume.NewPersistentVolumeRecyclerPodTemplate()
 	defaultScrubPod.Namespace = namespace
@@ -214,6 +209,7 @@ func probeRecyclableVolumePlugins(config componentconfig.VolumeConfiguration, na
 		RecyclerMinimumTimeout:   int(config.PersistentVolumeRecyclerConfiguration.MinimumTimeoutHostPath),
 		RecyclerTimeoutIncrement: int(config.PersistentVolumeRecyclerConfiguration.IncrementTimeoutHostPath),
 		RecyclerPodTemplate:      defaultScrubPod,
+		ProvisioningEnabled:      config.EnableHostPathProvisioning,
 	}
 	if err := kctrlmgr.AttemptToLoadRecycler(config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, &hostPathConfig); err != nil {
 		glog.Fatalf("Could not create hostpath recycler pod from file %s: %+v", config.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, err)

test/testdata/bootstrappolicy/bootstrap_cluster_roles.yaml

@@ -2660,6 +2660,14 @@ items:
     - create
     - patch
     - update
+  - apiGroups:
+    - extensions
+    attributeRestrictions: null
+    resources:
+    - storageclasses
+    verbs:
+    - list
+    - watch
 - apiVersion: v1
   kind: ClusterRole
   metadata: