From ec9b20a94fc686adfb4b3fe3de453f0c30f63d6b Mon Sep 17 00:00:00 2001
From: "Frederick F. Kautz IV" <fkautz@alumni.cmu.edu>
Date: Wed, 11 Mar 2015 13:36:21 -0700
Subject: [PATCH] Adding stubes for new single disk driver

---
 pkg/storage/singledisk/singledisk.go      | 84 +++++++++++++++++++++++
 pkg/storage/singledisk/singledisk_test.go | 54 +++++++++++++++
 2 files changed, 138 insertions(+)
 create mode 100644 pkg/storage/singledisk/singledisk.go
 create mode 100644 pkg/storage/singledisk/singledisk_test.go

diff --git a/pkg/storage/singledisk/singledisk.go b/pkg/storage/singledisk/singledisk.go
new file mode 100644
index 000000000..da645d461
--- /dev/null
+++ b/pkg/storage/singledisk/singledisk.go
@@ -0,0 +1,84 @@
+/*
+ * Mini 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 singledisk
+
+import (
+	"errors"
+	"github.com/minio-io/minio/pkg/storage"
+	"io"
+	"os"
+)
+
+// StorageDriver creates a new single disk storage driver using donut without encoding.
+type StorageDriver struct {
+	root string
+}
+
+// Start a single disk subsystem
+func Start(root string) (chan<- string, <-chan error, storage.Storage) {
+	ctrlChannel := make(chan string)
+	errorChannel := make(chan error)
+	s := new(StorageDriver)
+	go start(ctrlChannel, errorChannel, s)
+	return ctrlChannel, errorChannel, s
+}
+
+func start(ctrlChannel <-chan string, errorChannel chan<- error, s *StorageDriver) {
+	err := os.MkdirAll(s.root, 0700)
+	errorChannel <- err
+	close(errorChannel)
+}
+
+// ListBuckets returns a list of buckets
+func (diskStorage StorageDriver) ListBuckets() ([]storage.BucketMetadata, error) {
+	return nil, errors.New("Not Implemented")
+}
+
+// StoreBucket creates a new bucket
+func (diskStorage StorageDriver) StoreBucket(bucket string) error {
+	return errors.New("Not Implemented")
+}
+
+// StoreBucketPolicy sets a bucket's access policy
+func (diskStorage StorageDriver) StoreBucketPolicy(bucket string, p storage.BucketPolicy) error {
+	return errors.New("Not Implemented")
+}
+
+// GetBucketPolicy returns a bucket's access policy
+func (diskStorage StorageDriver) GetBucketPolicy(bucket string) (storage.BucketPolicy, error) {
+	return storage.BucketPolicy{}, errors.New("Not Implemented")
+}
+
+// CopyObjectToWriter retrieves an object and writes it to a writer
+func (diskStorage StorageDriver) CopyObjectToWriter(w io.Writer, bucket string, object string) (int64, error) {
+	return 0, errors.New("Not Implemented")
+}
+
+// GetObjectMetadata retrieves an object's metadata
+func (diskStorage StorageDriver) GetObjectMetadata(bucket string, object string, prefix string) (storage.ObjectMetadata, error) {
+	return storage.ObjectMetadata{}, errors.New("Not Implemented")
+}
+
+// ListObjects lists objects
+func (diskStorage StorageDriver) ListObjects(bucket string, resources storage.BucketResourcesMetadata) ([]storage.ObjectMetadata, storage.BucketResourcesMetadata, error) {
+	return nil, storage.BucketResourcesMetadata{}, errors.New("Not Implemented")
+}
+
+// StoreObject creates a new object
+func (diskStorage StorageDriver) StoreObject(bucket string, key string, contentType string, data io.Reader) error {
+	return errors.New("Not Implemented")
+}
diff --git a/pkg/storage/singledisk/singledisk_test.go b/pkg/storage/singledisk/singledisk_test.go
new file mode 100644
index 000000000..ed9f63702
--- /dev/null
+++ b/pkg/storage/singledisk/singledisk_test.go
@@ -0,0 +1,54 @@
+/*
+ * Mini 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 singledisk
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+
+	mstorage "github.com/minio-io/minio/pkg/storage"
+
+	. "gopkg.in/check.v1"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func (s *MySuite) TestAPISuite(c *C) {
+	c.Skip("Not implemented yet.")
+	var storageList []string
+	create := func() mstorage.Storage {
+		path, err := ioutil.TempDir(os.TempDir(), "minio-fs-")
+		c.Check(err, IsNil)
+		storageList = append(storageList, path)
+		_, _, store := Start(path)
+		return store
+	}
+	mstorage.APITestSuite(c, create)
+	removeRoots(c, storageList)
+}
+
+func removeRoots(c *C, roots []string) {
+	for _, root := range roots {
+		err := os.RemoveAll(root)
+		c.Check(err, IsNil)
+	}
+}