rebase: update controller-runtime package to v0.9.2

This commit updates controller-runtime to v0.9.2 and
makes changes in persistentvolume.go to add context to
various functions and function calls made here instead of
context.TODO().

Signed-off-by: Rakshith R <rar@redhat.com>

vendor/sigs.k8s.io/controller-runtime/pkg/client/interfaces.go

@@ -24,18 +24,15 @@ import (
 	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/watch"
 )
 
 // ObjectKey identifies a Kubernetes Object.
 type ObjectKey = types.NamespacedName
 
-// ObjectKeyFromObject returns the ObjectKey given a runtime.Object
-func ObjectKeyFromObject(obj runtime.Object) (ObjectKey, error) {
-	accessor, err := meta.Accessor(obj)
-	if err != nil {
-		return ObjectKey{}, err
-	}
-	return ObjectKey{Namespace: accessor.GetNamespace(), Name: accessor.GetName()}, nil
+// ObjectKeyFromObject returns the ObjectKey given a runtime.Object.
+func ObjectKeyFromObject(obj Object) ObjectKey {
+	return ObjectKey{Namespace: obj.GetNamespace(), Name: obj.GetName()}
 }
 
 // Patch is a patch that can be applied to a Kubernetes object.
@@ -43,7 +40,7 @@ type Patch interface {
 	// Type is the PatchType of the patch.
 	Type() types.PatchType
 	// Data is the raw data representing the patch.
-	Data(obj runtime.Object) ([]byte, error)
+	Data(obj Object) ([]byte, error)
 }
 
 // TODO(directxman12): is there a sane way to deal with get/delete options?
@@ -53,32 +50,32 @@ type Reader interface {
 	// Get retrieves an obj for the given object key from the Kubernetes Cluster.
 	// obj must be a struct pointer so that obj can be updated with the response
 	// returned by the Server.
-	Get(ctx context.Context, key ObjectKey, obj runtime.Object) error
+	Get(ctx context.Context, key ObjectKey, obj Object) error
 
 	// List retrieves list of objects for a given namespace and list options. On a
 	// successful call, Items field in the list will be populated with the
 	// result returned from the server.
-	List(ctx context.Context, list runtime.Object, opts ...ListOption) error
+	List(ctx context.Context, list ObjectList, opts ...ListOption) error
 }
 
 // Writer knows how to create, delete, and update Kubernetes objects.
 type Writer interface {
 	// Create saves the object obj in the Kubernetes cluster.
-	Create(ctx context.Context, obj runtime.Object, opts ...CreateOption) error
+	Create(ctx context.Context, obj Object, opts ...CreateOption) error
 
 	// Delete deletes the given obj from Kubernetes cluster.
-	Delete(ctx context.Context, obj runtime.Object, opts ...DeleteOption) error
+	Delete(ctx context.Context, obj Object, opts ...DeleteOption) error
 
 	// Update updates the given obj in the Kubernetes cluster. obj must be a
 	// struct pointer so that obj can be updated with the content returned by the Server.
-	Update(ctx context.Context, obj runtime.Object, opts ...UpdateOption) error
+	Update(ctx context.Context, obj Object, opts ...UpdateOption) error
 
 	// Patch patches the given obj in the Kubernetes cluster. obj must be a
 	// struct pointer so that obj can be updated with the content returned by the Server.
-	Patch(ctx context.Context, obj runtime.Object, patch Patch, opts ...PatchOption) error
+	Patch(ctx context.Context, obj Object, patch Patch, opts ...PatchOption) error
 
 	// DeleteAllOf deletes all objects of the given type matching the given options.
-	DeleteAllOf(ctx context.Context, obj runtime.Object, opts ...DeleteAllOfOption) error
+	DeleteAllOf(ctx context.Context, obj Object, opts ...DeleteAllOfOption) error
 }
 
 // StatusClient knows how to create a client which can update status subresource
@@ -92,12 +89,12 @@ type StatusWriter interface {
 	// Update updates the fields corresponding to the status subresource for the
 	// given obj. obj must be a struct pointer so that obj can be updated
 	// with the content returned by the Server.
-	Update(ctx context.Context, obj runtime.Object, opts ...UpdateOption) error
+	Update(ctx context.Context, obj Object, opts ...UpdateOption) error
 
 	// Patch patches the given object's subresource. obj must be a struct
 	// pointer so that obj can be updated with the content returned by the
 	// Server.
-	Patch(ctx context.Context, obj runtime.Object, patch Patch, opts ...PatchOption) error
+	Patch(ctx context.Context, obj Object, patch Patch, opts ...PatchOption) error
 }
 
 // Client knows how to perform CRUD operations on Kubernetes objects.
@@ -105,12 +102,25 @@ type Client interface {
 	Reader
 	Writer
 	StatusClient
+
+	// Scheme returns the scheme this client is using.
+	Scheme() *runtime.Scheme
+	// RESTMapper returns the rest this client is using.
+	RESTMapper() meta.RESTMapper
+}
+
+// WithWatch supports Watch on top of the CRUD operations supported by
+// the normal Client. Its intended use-case are CLI apps that need to wait for
+// events.
+type WithWatch interface {
+	Client
+	Watch(ctx context.Context, obj ObjectList, opts ...ListOption) (watch.Interface, error)
 }
 
 // IndexerFunc knows how to take an object and turn it into a series
 // of non-namespaced keys. Namespaced objects are automatically given
 // namespaced and non-spaced variants, so keys do not need to include namespace.
-type IndexerFunc func(runtime.Object) []string
+type IndexerFunc func(Object) []string
 
 // FieldIndexer knows how to index over a particular "field" such that it
 // can later be used by a field selector.
@@ -122,7 +132,7 @@ type FieldIndexer interface {
 	// and "equality" in the field selector means that at least one key matches the value.
 	// The FieldIndexer will automatically take care of indexing over namespace
 	// and supporting efficient all-namespace queries.
-	IndexField(ctx context.Context, obj runtime.Object, field string, extractValue IndexerFunc) error
+	IndexField(ctx context.Context, obj Object, field string, extractValue IndexerFunc) error
 }
 
 // IgnoreNotFound returns nil on NotFound errors.