move object and block store interfaces to their own files

Signed-off-by: Steve Kriss <steve@heptio.com>

pkg/cloudprovider/block_store.go

@@ -17,46 +17,9 @@ limitations under the License.
 package cloudprovider
 
 import (
-	"io"
-	"time"
-
 	"k8s.io/apimachinery/pkg/runtime"
 )
 
-// ObjectStore exposes basic object-storage operations required
-// by Ark.
-type ObjectStore interface {
-	// Init prepares the ObjectStore for usage using the provided map of
-	// configuration key-value pairs. It returns an error if the ObjectStore
-	// cannot be initialized from the provided config.
-	Init(config map[string]string) error
-
-	// PutObject creates a new object using the data in body within the specified
-	// object storage bucket with the given key.
-	PutObject(bucket string, key string, body io.Reader) error
-
-	// GetObject retrieves the object with the given key from the specified
-	// bucket in object storage.
-	GetObject(bucket string, key string) (io.ReadCloser, error)
-
-	// ListCommonPrefixes gets a list of all object key prefixes that come
-	// before the provided delimiter. For example, if the bucket contains
-	// the keys "foo-1/bar", "foo-1/baz", and "foo-2/baz", and the delimiter
-	// is "/", this will return the slice {"foo-1", "foo-2"}.
-	ListCommonPrefixes(bucket string, delimiter string) ([]string, error)
-
-	// ListObjects gets a list of all keys in the specified bucket
-	// that have the given prefix.
-	ListObjects(bucket, prefix string) ([]string, error)
-
-	// DeleteObject removes the object with the specified key from the given
-	// bucket.
-	DeleteObject(bucket string, key string) error
-
-	// CreateSignedURL creates a pre-signed URL for the given bucket and key that expires after ttl.
-	CreateSignedURL(bucket, key string, ttl time.Duration) (string, error)
-}
-
 // BlockStore exposes basic block-storage operations required
 // by Ark.
 type BlockStore interface {

pkg/cloudprovider/object_store.go

@@ -0,0 +1,56 @@
+/*
+Copyright 2017 the Heptio Ark contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cloudprovider
+
+import (
+	"io"
+	"time"
+)
+
+// ObjectStore exposes basic object-storage operations required
+// by Ark.
+type ObjectStore interface {
+	// Init prepares the ObjectStore for usage using the provided map of
+	// configuration key-value pairs. It returns an error if the ObjectStore
+	// cannot be initialized from the provided config.
+	Init(config map[string]string) error
+
+	// PutObject creates a new object using the data in body within the specified
+	// object storage bucket with the given key.
+	PutObject(bucket string, key string, body io.Reader) error
+
+	// GetObject retrieves the object with the given key from the specified
+	// bucket in object storage.
+	GetObject(bucket string, key string) (io.ReadCloser, error)
+
+	// ListCommonPrefixes gets a list of all object key prefixes that come
+	// before the provided delimiter. For example, if the bucket contains
+	// the keys "foo-1/bar", "foo-1/baz", and "foo-2/baz", and the delimiter
+	// is "/", this will return the slice {"foo-1", "foo-2"}.
+	ListCommonPrefixes(bucket string, delimiter string) ([]string, error)
+
+	// ListObjects gets a list of all keys in the specified bucket
+	// that have the given prefix.
+	ListObjects(bucket, prefix string) ([]string, error)
+
+	// DeleteObject removes the object with the specified key from the given
+	// bucket.
+	DeleteObject(bucket string, key string) error
+
+	// CreateSignedURL creates a pre-signed URL for the given bucket and key that expires after ttl.
+	CreateSignedURL(bucket, key string, ttl time.Duration) (string, error)
+}