Add full API tests, move storage/donut to donut, add disk tests as well

pkg/donut/interfaces.go

@@ -0,0 +1,70 @@
+/*
+ * Minimalist Object Storage, (C) 2015 Minio, Inc.
+ *
+ * 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 donut
+
+import "io"
+
+// Collection of Donut specification interfaces
+
+// Interface is a collection of object storage and management interface
+type Interface interface {
+	ObjectStorage
+	Management
+}
+
+// ObjectStorage is a donut object storage interface
+type ObjectStorage interface {
+	// Storage service operations
+	GetBucketMetadata(bucket string) (BucketMetadata, error)
+	SetBucketMetadata(bucket string, metadata map[string]string) error
+	ListBuckets() ([]BucketMetadata, error)
+	MakeBucket(bucket string, ACL string) error
+
+	// Bucket operations
+	ListObjects(bucket string, resources BucketResourcesMetadata) ([]ObjectMetadata, BucketResourcesMetadata, error)
+
+	// Object operations
+	GetObject(w io.Writer, bucket, object string) (int64, error)
+	GetPartialObject(w io.Writer, bucket, object string, start, length int64) (int64, error)
+	GetObjectMetadata(bucket, object string) (ObjectMetadata, error)
+	CreateObject(bucket, object, expectedMD5Sum string, size int64, reader io.Reader, metadata map[string]string) (ObjectMetadata, error)
+
+	Multipart
+}
+
+// Multipart API
+type Multipart interface {
+	NewMultipartUpload(bucket, key, contentType string) (string, error)
+	AbortMultipartUpload(bucket, key, uploadID string) error
+	CreateObjectPart(bucket, key, uploadID string, partID int, contentType, expectedMD5Sum string, size int64, data io.Reader) (string, error)
+	CompleteMultipartUpload(bucket, key, uploadID string, parts map[int]string) (ObjectMetadata, error)
+	ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, error)
+	ListObjectParts(bucket, key string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, error)
+}
+
+// Management is a donut management system interface
+type Management interface {
+	Heal() error
+	Rebalance() error
+	Info() (map[string][]string, error)
+
+	AttachNode(hostname string, disks []string) error
+	DetachNode(hostname string) error
+
+	SaveConfig() error
+	LoadConfig() error
+}