storage/server/client: Enable storage server, enable client storage.

api-router.go

@@ -18,13 +18,13 @@ package main
 
 import router "github.com/gorilla/mux"
 
-// objectStorageAPI container for S3 compatible API.
+// objectAPIHandler implements and provides http handlers for S3 API.
-type objectStorageAPI struct {
+type objectAPIHandlers struct {
-	ObjectAPI ObjectAPI
+	ObjectAPI *objectAPI
 }
 
 // registerAPIRouter - registers S3 compatible APIs.
-func registerAPIRouter(mux *router.Router, api objectStorageAPI) {
+func registerAPIRouter(mux *router.Router, api objectAPIHandlers) {
 	// API Router
 	apiRouter := mux.NewRoute().PathPrefix("/").Subrouter()
 

bucket-handlers.go

@@ -74,7 +74,7 @@ func enforceBucketPolicy(action string, bucket string, reqURL *url.URL) (s3Error
 // GetBucketLocationHandler - GET Bucket location.
 // -------------------------
 // This operation returns bucket location.
-func (api objectStorageAPI) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -152,7 +152,7 @@ func (api objectStorageAPI) GetBucketLocationHandler(w http.ResponseWriter, r *h
 // completed or aborted. This operation returns at most 1,000 multipart
 // uploads in the response.
 //
-func (api objectStorageAPI) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) ListMultipartUploadsHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -223,7 +223,7 @@ func (api objectStorageAPI) ListMultipartUploadsHandler(w http.ResponseWriter, r
 // of the objects in a bucket. You can use the request parameters as selection
 // criteria to return a subset of the objects in a bucket.
 //
-func (api objectStorageAPI) ListObjectsHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) ListObjectsHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -301,7 +301,7 @@ func (api objectStorageAPI) ListObjectsHandler(w http.ResponseWriter, r *http.Re
 // -----------
 // This implementation of the GET operation returns a list of all buckets
 // owned by the authenticated sender of the request.
-func (api objectStorageAPI) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
 	// List buckets does not support bucket policies.
 	switch getRequestAuthType(r) {
 	default:
@@ -352,7 +352,7 @@ func (api objectStorageAPI) ListBucketsHandler(w http.ResponseWriter, r *http.Re
 }
 
 // DeleteMultipleObjectsHandler - deletes multiple objects.
-func (api objectStorageAPI) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -463,7 +463,7 @@ func (api objectStorageAPI) DeleteMultipleObjectsHandler(w http.ResponseWriter,
 // PutBucketHandler - PUT Bucket
 // ----------
 // This implementation of the PUT operation creates a new bucket for authenticated request
-func (api objectStorageAPI) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) PutBucketHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -528,7 +528,7 @@ func extractHTTPFormValues(reader *multipart.Reader) (io.Reader, map[string]stri
 // ----------
 // This implementation of the POST operation handles object creation with a specified
 // signature policy in multipart/form-data
-func (api objectStorageAPI) PostPolicyBucketHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *http.Request) {
 	// Here the parameter is the size of the form data that should
 	// be loaded in memory, the remaining being put in temporary files.
 	reader, e := r.MultipartReader()
@@ -589,7 +589,7 @@ func (api objectStorageAPI) PostPolicyBucketHandler(w http.ResponseWriter, r *ht
 // The operation returns a 200 OK if the bucket exists and you
 // have permission to access it. Otherwise, the operation might
 // return responses such as 404 Not Found and 403 Forbidden.
-func (api objectStorageAPI) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -628,7 +628,7 @@ func (api objectStorageAPI) HeadBucketHandler(w http.ResponseWriter, r *http.Req
 }
 
 // DeleteBucketHandler - Delete bucket
-func (api objectStorageAPI) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 

bucket-policy-handlers.go

@@ -127,7 +127,7 @@ func bucketPolicyConditionMatch(conditions map[string]string, statement policySt
 // -----------------
 // This implementation of the PUT operation uses the policy
 // subresource to add to or replace a policy on a bucket
-func (api objectStorageAPI) PutBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) PutBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -201,7 +201,7 @@ func (api objectStorageAPI) PutBucketPolicyHandler(w http.ResponseWriter, r *htt
 // -----------------
 // This implementation of the DELETE operation uses the policy
 // subresource to add to remove a policy on a bucket.
-func (api objectStorageAPI) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) DeleteBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 
@@ -238,7 +238,7 @@ func (api objectStorageAPI) DeleteBucketPolicyHandler(w http.ResponseWriter, r *
 // -----------------
 // This operation uses the policy
 // subresource to return the policy of a specified bucket.
-func (api objectStorageAPI) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 

fs.go

@@ -66,7 +66,7 @@ func isDirEmpty(dirname string) (status bool, err error) {
 
 // isDirExist - returns whether given directory exists or not.
 func isDirExist(dirname string) (bool, error) {
-	fi, e := os.Lstat(dirname)
+	fi, e := os.Stat(dirname)
 	if e != nil {
 		if os.IsNotExist(e) {
 			return false, nil
@@ -322,6 +322,8 @@ func (s fsStorage) ListFiles(volume, prefix, marker string, recursive bool, coun
 		if err == nil {
 			// Prefix does not exist, not an error just respond empty list response.
 			return nil, true, nil
+		} else if strings.Contains(err.Error(), "not a directory") {
+			return nil, true, nil
 		}
 		// Rest errors should be treated as failure.
 		return nil, true, err
@@ -465,6 +467,9 @@ func (s fsStorage) StatFile(volume, path string) (file FileInfo, err error) {
 		if os.IsNotExist(err) {
 			return FileInfo{}, errFileNotFound
 		}
+		if strings.Contains(err.Error(), "not a directory") {
+			return FileInfo{}, errIsNotRegular
+		}
 		return FileInfo{}, err
 	}
 	if st.Mode().IsDir() {

generic-handlers.go

@@ -58,10 +58,10 @@ func (h redirectHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	// Re-direction handled specifically for browsers.
 	if strings.Contains(r.Header.Get("User-Agent"), "Mozilla") {
 		// '/' is redirected to 'locationPrefix/'
-		// '/rpc' is redirected to 'locationPrefix/rpc'
+		// '/webrpc' is redirected to 'locationPrefix/webrpc'
 		// '/login' is redirected to 'locationPrefix/login'
 		switch r.URL.Path {
-		case "/", "/rpc", "/login", "/favicon.ico":
+		case "/", "/webrpc", "/login", "/favicon.ico":
 			location := h.locationPrefix + r.URL.Path
 			// Redirect to new location.
 			http.Redirect(w, r, location, http.StatusTemporaryRedirect)

network-fs.go

@@ -0,0 +1,239 @@
+/*
+ * Minio Cloud Storage, (C) 2016 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 main
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/rpc"
+	"net/url"
+	urlpath "path"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type networkFS struct {
+	netAddr    string
+	netPath    string
+	rpcClient  *rpc.Client
+	httpClient *http.Client
+}
+
+const (
+	connected       = "200 Connected to Go RPC"
+	dialTimeoutSecs = 30 // 30 seconds.
+)
+
+// splits network path into its components Address and Path.
+func splitNetPath(networkPath string) (netAddr, netPath string) {
+	index := strings.LastIndex(networkPath, ":")
+	netAddr = networkPath[:index]
+	netPath = networkPath[index+1:]
+	return netAddr, netPath
+}
+
+// Initialize new network file system.
+func newNetworkFS(networkPath string) (StorageAPI, error) {
+	// Input validation.
+	if networkPath == "" && strings.LastIndex(networkPath, ":") != -1 {
+		return nil, errInvalidArgument
+	}
+
+	// TODO validate netAddr and netPath.
+	netAddr, netPath := splitNetPath(networkPath)
+
+	// Dial minio rpc storage http path.
+	rpcClient, err := rpc.DialHTTPPath("tcp", netAddr, "/minio/rpc/storage")
+	if err != nil {
+		return nil, err
+	}
+
+	// Initialize http client.
+	httpClient := &http.Client{
+		// Setting a sensible time out of 6minutes to wait for
+		// response headers. Request is pro-actively cancelled
+		// after 6minutes if no response was received from server.
+		Timeout:   6 * time.Minute,
+		Transport: http.DefaultTransport,
+	}
+
+	// Initialize network storage.
+	ndisk := &networkFS{
+		netAddr:    netAddr,
+		netPath:    netPath,
+		rpcClient:  rpcClient,
+		httpClient: httpClient,
+	}
+
+	// Returns successfully here.
+	return ndisk, nil
+}
+
+// MakeVol - make a volume.
+func (n networkFS) MakeVol(volume string) error {
+	reply := GenericReply{}
+	if err := n.rpcClient.Call("Storage.MakeVolHandler", volume, &reply); err != nil {
+		if err.Error() == errVolumeExists.Error() {
+			return errVolumeExists
+		}
+		return err
+	}
+	return nil
+}
+
+// ListVols - List all volumes.
+func (n networkFS) ListVols() (vols []VolInfo, err error) {
+	ListVols := ListVolsReply{}
+	err = n.rpcClient.Call("Storage.ListVolsHandler", "", &ListVols)
+	if err != nil {
+		return nil, err
+	}
+	return ListVols.Vols, nil
+}
+
+// StatVol - get current Stat volume info.
+func (n networkFS) StatVol(volume string) (volInfo VolInfo, err error) {
+	if err = n.rpcClient.Call("Storage.StatVolHandler", volume, &volInfo); err != nil {
+		if err.Error() == errVolumeNotFound.Error() {
+			return VolInfo{}, errVolumeNotFound
+		}
+		return VolInfo{}, err
+	}
+	return volInfo, nil
+}
+
+// DeleteVol - Delete a volume.
+func (n networkFS) DeleteVol(volume string) error {
+	reply := GenericReply{}
+	if err := n.rpcClient.Call("Storage.DeleteVolHandler", volume, &reply); err != nil {
+		if err.Error() == errVolumeNotFound.Error() {
+			return errVolumeNotFound
+		}
+		return err
+	}
+	return nil
+}
+
+// File operations.
+
+// CreateFile - create file.
+func (n networkFS) CreateFile(volume, path string) (writeCloser io.WriteCloser, err error) {
+	writeURL := new(url.URL)
+	writeURL.Scheme = "http" // TODO fix this.
+	writeURL.Host = n.netAddr
+	writeURL.Path = fmt.Sprintf("/minio/rpc/storage/upload/%s", urlpath.Join(volume, path))
+
+	contentType := "application/octet-stream"
+	readCloser, writeCloser := io.Pipe()
+	go func() {
+		resp, err := n.httpClient.Post(writeURL.String(), contentType, readCloser)
+		if err != nil {
+			readCloser.CloseWithError(err)
+			return
+		}
+		if resp != nil {
+			if resp.StatusCode != http.StatusNotFound {
+				readCloser.CloseWithError(errFileNotFound)
+				return
+			}
+			readCloser.CloseWithError(errors.New("Invalid response."))
+		}
+	}()
+	return writeCloser, nil
+}
+
+// StatFile - get latest Stat information for a file at path.
+func (n networkFS) StatFile(volume, path string) (fileInfo FileInfo, err error) {
+	if err = n.rpcClient.Call("Storage.StatFileHandler", StatFileArgs{
+		Vol:  volume,
+		Path: path,
+	}, &fileInfo); err != nil {
+		if err.Error() == errVolumeNotFound.Error() {
+			return FileInfo{}, errVolumeNotFound
+		} else if err.Error() == errFileNotFound.Error() {
+			return FileInfo{}, errFileNotFound
+		} else if err.Error() == errIsNotRegular.Error() {
+			return FileInfo{}, errFileNotFound
+		}
+		return FileInfo{}, err
+	}
+	return fileInfo, nil
+}
+
+// ReadFile - reads a file.
+func (n networkFS) ReadFile(volume string, path string, offset int64) (reader io.ReadCloser, err error) {
+	readURL := new(url.URL)
+	readURL.Scheme = "http" // TODO fix this.
+	readURL.Host = n.netAddr
+	readURL.Path = fmt.Sprintf("/minio/rpc/storage/download/%s", urlpath.Join(volume, path))
+	readQuery := make(url.Values)
+	readQuery.Set("offset", strconv.FormatInt(offset, 10))
+	readURL.RawQuery = readQuery.Encode()
+	resp, err := n.httpClient.Get(readURL.String())
+	if err != nil {
+		return nil, err
+	}
+	if resp.StatusCode != http.StatusOK {
+		if resp.StatusCode == http.StatusNotFound {
+			return nil, errFileNotFound
+		}
+		return nil, errors.New("Invalid response")
+	}
+	return resp.Body, nil
+}
+
+// ListFiles - List all files in a volume.
+func (n networkFS) ListFiles(volume, prefix, marker string, recursive bool, count int) (files []FileInfo, eof bool, err error) {
+	listFilesReply := ListFilesReply{}
+	if err = n.rpcClient.Call("Storage.ListFilesHandler", ListFilesArgs{
+		Vol:       volume,
+		Prefix:    prefix,
+		Marker:    marker,
+		Recursive: recursive,
+		Count:     count,
+	}, &listFilesReply); err != nil {
+		if err.Error() == errVolumeNotFound.Error() {
+			return nil, true, errVolumeNotFound
+		}
+		return nil, true, err
+	}
+	// List of files.
+	files = listFilesReply.Files
+	// EOF.
+	eof = listFilesReply.EOF
+	return files, eof, nil
+}
+
+// DeleteFile - Delete a file at path.
+func (n networkFS) DeleteFile(volume, path string) (err error) {
+	reply := GenericReply{}
+	if err = n.rpcClient.Call("Storage.DeleteFileHandler", DeleteFileArgs{
+		Vol:  volume,
+		Path: path,
+	}, &reply); err != nil {
+		if err.Error() == errVolumeNotFound.Error() {
+			return errVolumeNotFound
+		} else if err.Error() == errFileNotFound.Error() {
+			return errFileNotFound
+		}
+		return err
+	}
+	return nil
+}

object-api-interface.go

@@ -1,33 +0,0 @@
-package main
-
-import (
-	"io"
-
-	"github.com/minio/minio/pkg/probe"
-)
-
-// ObjectAPI interface.
-type ObjectAPI interface {
-	// Bucket resource API.
-	DeleteBucket(bucket string) *probe.Error
-	ListBuckets() ([]BucketInfo, *probe.Error)
-	MakeBucket(bucket string) *probe.Error
-	GetBucketInfo(bucket string) (BucketInfo, *probe.Error)
-
-	// Bucket query API.
-	ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, *probe.Error)
-	ListMultipartUploads(bucket, objectPrefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (ListMultipartsInfo, *probe.Error)
-
-	// Object resource API.
-	GetObject(bucket, object string, startOffset int64) (io.ReadCloser, *probe.Error)
-	GetObjectInfo(bucket, object string) (ObjectInfo, *probe.Error)
-	PutObject(bucket string, object string, size int64, data io.Reader, metadata map[string]string) (ObjectInfo, *probe.Error)
-	DeleteObject(bucket, object string) *probe.Error
-
-	// Object query API.
-	NewMultipartUpload(bucket, object string) (string, *probe.Error)
-	PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, *probe.Error)
-	ListObjectParts(bucket, object, uploadID string, partNumberMarker, maxParts int) (ListPartsInfo, *probe.Error)
-	CompleteMultipartUpload(bucket string, object string, uploadID string, parts []completePart) (ObjectInfo, *probe.Error)
-	AbortMultipartUpload(bucket, object, uploadID string) *probe.Error
-}

object-handlers.go

@@ -74,7 +74,7 @@ func errAllowableObjectNotFound(bucket string, r *http.Request) APIErrorCode {
 // ----------
 // This implementation of the GET operation retrieves object. To use GET,
 // you must have READ access to the object.
-func (api objectStorageAPI) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
 	var object, bucket string
 	vars := mux.Vars(r)
 	bucket = vars["bucket"]
@@ -268,7 +268,7 @@ func checkETag(w http.ResponseWriter, r *http.Request) bool {
 // HeadObjectHandler - HEAD Object
 // -----------
 // The HEAD operation retrieves metadata from an object without returning the object itself.
-func (api objectStorageAPI) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
 	var object, bucket string
 	vars := mux.Vars(r)
 	bucket = vars["bucket"]
@@ -332,7 +332,7 @@ func (api objectStorageAPI) HeadObjectHandler(w http.ResponseWriter, r *http.Req
 // ----------
 // This implementation of the PUT operation adds an object to a bucket
 // while reading the object from another source.
-func (api objectStorageAPI) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]
@@ -583,7 +583,7 @@ func checkCopySourceETag(w http.ResponseWriter, r *http.Request) bool {
 // PutObjectHandler - PUT Object
 // ----------
 // This implementation of the PUT operation adds an object to a bucket.
-func (api objectStorageAPI) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
 	// If the matching failed, it means that the X-Amz-Copy-Source was
 	// wrong, fail right here.
 	if _, ok := r.Header["X-Amz-Copy-Source"]; ok {
@@ -699,10 +699,10 @@ func (api objectStorageAPI) PutObjectHandler(w http.ResponseWriter, r *http.Requ
 	writeSuccessResponse(w, nil)
 }
 
-/// Multipart objectStorageAPI
+/// Multipart objectAPIHandlers
 
 // NewMultipartUploadHandler - New multipart upload
-func (api objectStorageAPI) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
 	var object, bucket string
 	vars := mux.Vars(r)
 	bucket = vars["bucket"]
@@ -755,7 +755,7 @@ func (api objectStorageAPI) NewMultipartUploadHandler(w http.ResponseWriter, r *
 }
 
 // PutObjectPartHandler - Upload part
-func (api objectStorageAPI) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]
@@ -868,7 +868,7 @@ func (api objectStorageAPI) PutObjectPartHandler(w http.ResponseWriter, r *http.
 }
 
 // AbortMultipartUploadHandler - Abort multipart upload
-func (api objectStorageAPI) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]
@@ -915,7 +915,7 @@ func (api objectStorageAPI) AbortMultipartUploadHandler(w http.ResponseWriter, r
 }
 
 // ListObjectPartsHandler - List object parts
-func (api objectStorageAPI) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) ListObjectPartsHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]
@@ -979,7 +979,7 @@ func (api objectStorageAPI) ListObjectPartsHandler(w http.ResponseWriter, r *htt
 }
 
 // CompleteMultipartUploadHandler - Complete multipart upload
-func (api objectStorageAPI) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]
@@ -1066,10 +1066,10 @@ func (api objectStorageAPI) CompleteMultipartUploadHandler(w http.ResponseWriter
 	writeSuccessResponse(w, encodedSuccessResponse)
 }
 
-/// Delete objectStorageAPI
+/// Delete objectAPIHandlers
 
 // DeleteObjectHandler - delete an object
-func (api objectStorageAPI) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
+func (api objectAPIHandlers) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]

object_api_suite_test.go

@@ -28,7 +28,7 @@ import (
 )
 
 // APITestSuite - collection of API tests
-func APITestSuite(c *check.C, create func() ObjectAPI) {
+func APITestSuite(c *check.C, create func() *objectAPI) {
 	testMakeBucket(c, create)
 	testMultipleObjectCreation(c, create)
 	testPaging(c, create)
@@ -46,17 +46,17 @@ func APITestSuite(c *check.C, create func() ObjectAPI) {
 	testMultipartObjectAbort(c, create)
 }
 
-func testMakeBucket(c *check.C, create func() ObjectAPI) {
+func testMakeBucket(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 }
 
-func testMultipartObjectCreation(c *check.C, create func() ObjectAPI) {
+func testMultipartObjectCreation(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
-	uploadID, err := fs.NewMultipartUpload("bucket", "key")
+	uploadID, err := obj.NewMultipartUpload("bucket", "key")
 	c.Assert(err, check.IsNil)
 
 	completedParts := completeMultipartUpload{}
@@ -72,21 +72,21 @@ func testMultipartObjectCreation(c *check.C, create func() ObjectAPI) {
 		expectedMD5Sumhex := hex.EncodeToString(hasher.Sum(nil))
 
 		var calculatedMD5sum string
-		calculatedMD5sum, err = fs.PutObjectPart("bucket", "key", uploadID, i, int64(len(randomString)), bytes.NewBufferString(randomString), expectedMD5Sumhex)
+		calculatedMD5sum, err = obj.PutObjectPart("bucket", "key", uploadID, i, int64(len(randomString)), bytes.NewBufferString(randomString), expectedMD5Sumhex)
 		c.Assert(err, check.IsNil)
 		c.Assert(calculatedMD5sum, check.Equals, expectedMD5Sumhex)
 		completedParts.Parts = append(completedParts.Parts, completePart{PartNumber: i, ETag: calculatedMD5sum})
 	}
-	objInfo, err := fs.CompleteMultipartUpload("bucket", "key", uploadID, completedParts.Parts)
+	objInfo, err := obj.CompleteMultipartUpload("bucket", "key", uploadID, completedParts.Parts)
 	c.Assert(err, check.IsNil)
 	c.Assert(objInfo.MD5Sum, check.Equals, "3605d84b1c43b1a664aa7c0d5082d271-10")
 }
 
-func testMultipartObjectAbort(c *check.C, create func() ObjectAPI) {
+func testMultipartObjectAbort(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
-	uploadID, err := fs.NewMultipartUpload("bucket", "key")
+	uploadID, err := obj.NewMultipartUpload("bucket", "key")
 	c.Assert(err, check.IsNil)
 
 	parts := make(map[int]string)
@@ -104,19 +104,19 @@ func testMultipartObjectAbort(c *check.C, create func() ObjectAPI) {
 
 		metadata["md5"] = expectedMD5Sumhex
 		var calculatedMD5sum string
-		calculatedMD5sum, err = fs.PutObjectPart("bucket", "key", uploadID, i, int64(len(randomString)), bytes.NewBufferString(randomString), expectedMD5Sumhex)
+		calculatedMD5sum, err = obj.PutObjectPart("bucket", "key", uploadID, i, int64(len(randomString)), bytes.NewBufferString(randomString), expectedMD5Sumhex)
 		c.Assert(err, check.IsNil)
 		c.Assert(calculatedMD5sum, check.Equals, expectedMD5Sumhex)
 		parts[i] = expectedMD5Sumhex
 	}
-	err = fs.AbortMultipartUpload("bucket", "key", uploadID)
+	err = obj.AbortMultipartUpload("bucket", "key", uploadID)
 	c.Assert(err, check.IsNil)
 }
 
-func testMultipleObjectCreation(c *check.C, create func() ObjectAPI) {
+func testMultipleObjectCreation(c *check.C, create func() *objectAPI) {
 	objects := make(map[string][]byte)
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 	for i := 0; i < 10; i++ {
 		randomPerm := rand.Perm(10)
@@ -133,40 +133,40 @@ func testMultipleObjectCreation(c *check.C, create func() ObjectAPI) {
 		objects[key] = []byte(randomString)
 		metadata := make(map[string]string)
 		metadata["md5Sum"] = expectedMD5Sumhex
-		objInfo, err := fs.PutObject("bucket", key, int64(len(randomString)), bytes.NewBufferString(randomString), metadata)
+		objInfo, err := obj.PutObject("bucket", key, int64(len(randomString)), bytes.NewBufferString(randomString), metadata)
 		c.Assert(err, check.IsNil)
 		c.Assert(objInfo.MD5Sum, check.Equals, expectedMD5Sumhex)
 	}
 
 	for key, value := range objects {
 		var byteBuffer bytes.Buffer
-		r, err := fs.GetObject("bucket", key, 0)
+		r, err := obj.GetObject("bucket", key, 0)
 		c.Assert(err, check.IsNil)
 		_, e := io.Copy(&byteBuffer, r)
 		c.Assert(e, check.IsNil)
 		c.Assert(byteBuffer.Bytes(), check.DeepEquals, value)
 		c.Assert(r.Close(), check.IsNil)
 
-		objInfo, err := fs.GetObjectInfo("bucket", key)
+		objInfo, err := obj.GetObjectInfo("bucket", key)
 		c.Assert(err, check.IsNil)
 		c.Assert(objInfo.Size, check.Equals, int64(len(value)))
 		r.Close()
 	}
 }
 
-func testPaging(c *check.C, create func() ObjectAPI) {
+func testPaging(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	fs.MakeBucket("bucket")
+	obj.MakeBucket("bucket")
-	result, err := fs.ListObjects("bucket", "", "", "", 0)
+	result, err := obj.ListObjects("bucket", "", "", "", 0)
 	c.Assert(err, check.IsNil)
 	c.Assert(len(result.Objects), check.Equals, 0)
 	c.Assert(result.IsTruncated, check.Equals, false)
 	// check before paging occurs
 	for i := 0; i < 5; i++ {
 		key := "obj" + strconv.Itoa(i)
-		_, err = fs.PutObject("bucket", key, int64(len(key)), bytes.NewBufferString(key), nil)
+		_, err = obj.PutObject("bucket", key, int64(len(key)), bytes.NewBufferString(key), nil)
 		c.Assert(err, check.IsNil)
-		result, err = fs.ListObjects("bucket", "", "", "", 5)
+		result, err = obj.ListObjects("bucket", "", "", "", 5)
 		c.Assert(err, check.IsNil)
 		c.Assert(len(result.Objects), check.Equals, i+1)
 		c.Assert(result.IsTruncated, check.Equals, false)
@@ -174,27 +174,27 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 	// check after paging occurs pages work
 	for i := 6; i <= 10; i++ {
 		key := "obj" + strconv.Itoa(i)
-		_, err = fs.PutObject("bucket", key, int64(len(key)), bytes.NewBufferString(key), nil)
+		_, err = obj.PutObject("bucket", key, int64(len(key)), bytes.NewBufferString(key), nil)
 		c.Assert(err, check.IsNil)
-		result, err = fs.ListObjects("bucket", "obj", "", "", 5)
+		result, err = obj.ListObjects("bucket", "obj", "", "", 5)
 		c.Assert(err, check.IsNil)
 		c.Assert(len(result.Objects), check.Equals, 5)
 		c.Assert(result.IsTruncated, check.Equals, true)
 	}
 	// check paging with prefix at end returns less objects
 	{
-		_, err = fs.PutObject("bucket", "newPrefix", int64(len("prefix1")), bytes.NewBufferString("prefix1"), nil)
+		_, err = obj.PutObject("bucket", "newPrefix", int64(len("prefix1")), bytes.NewBufferString("prefix1"), nil)
 		c.Assert(err, check.IsNil)
-		_, err = fs.PutObject("bucket", "newPrefix2", int64(len("prefix2")), bytes.NewBufferString("prefix2"), nil)
+		_, err = obj.PutObject("bucket", "newPrefix2", int64(len("prefix2")), bytes.NewBufferString("prefix2"), nil)
 		c.Assert(err, check.IsNil)
-		result, err = fs.ListObjects("bucket", "new", "", "", 5)
+		result, err = obj.ListObjects("bucket", "new", "", "", 5)
 		c.Assert(err, check.IsNil)
 		c.Assert(len(result.Objects), check.Equals, 2)
 	}
 
 	// check ordering of pages
 	{
-		result, err = fs.ListObjects("bucket", "", "", "", 1000)
+		result, err = obj.ListObjects("bucket", "", "", "", 1000)
 		c.Assert(err, check.IsNil)
 		c.Assert(result.Objects[0].Name, check.Equals, "newPrefix")
 		c.Assert(result.Objects[1].Name, check.Equals, "newPrefix2")
@@ -205,11 +205,11 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 
 	// check delimited results with delimiter and prefix
 	{
-		_, err = fs.PutObject("bucket", "this/is/delimited", int64(len("prefix1")), bytes.NewBufferString("prefix1"), nil)
+		_, err = obj.PutObject("bucket", "this/is/delimited", int64(len("prefix1")), bytes.NewBufferString("prefix1"), nil)
 		c.Assert(err, check.IsNil)
-		_, err = fs.PutObject("bucket", "this/is/also/a/delimited/file", int64(len("prefix2")), bytes.NewBufferString("prefix2"), nil)
+		_, err = obj.PutObject("bucket", "this/is/also/a/delimited/file", int64(len("prefix2")), bytes.NewBufferString("prefix2"), nil)
 		c.Assert(err, check.IsNil)
-		result, err = fs.ListObjects("bucket", "this/is/", "", "/", 10)
+		result, err = obj.ListObjects("bucket", "this/is/", "", "/", 10)
 		c.Assert(err, check.IsNil)
 		c.Assert(len(result.Objects), check.Equals, 1)
 		c.Assert(result.Prefixes[0], check.Equals, "this/is/also/")
@@ -217,7 +217,7 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 
 	// check delimited results with delimiter without prefix
 	{
-		result, err = fs.ListObjects("bucket", "", "", "/", 1000)
+		result, err = obj.ListObjects("bucket", "", "", "/", 1000)
 		c.Assert(err, check.IsNil)
 		c.Assert(result.Objects[0].Name, check.Equals, "newPrefix")
 		c.Assert(result.Objects[1].Name, check.Equals, "newPrefix2")
@@ -229,7 +229,7 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 
 	// check results with Marker
 	{
-		result, err = fs.ListObjects("bucket", "", "newPrefix", "", 3)
+		result, err = obj.ListObjects("bucket", "", "newPrefix", "", 3)
 		c.Assert(err, check.IsNil)
 		c.Assert(result.Objects[0].Name, check.Equals, "newPrefix2")
 		c.Assert(result.Objects[1].Name, check.Equals, "obj0")
@@ -237,7 +237,7 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 	}
 	// check ordering of results with prefix
 	{
-		result, err = fs.ListObjects("bucket", "obj", "", "", 1000)
+		result, err = obj.ListObjects("bucket", "obj", "", "", 1000)
 		c.Assert(err, check.IsNil)
 		c.Assert(result.Objects[0].Name, check.Equals, "obj0")
 		c.Assert(result.Objects[1].Name, check.Equals, "obj1")
@@ -247,27 +247,27 @@ func testPaging(c *check.C, create func() ObjectAPI) {
 	}
 	// check ordering of results with prefix and no paging
 	{
-		result, err = fs.ListObjects("bucket", "new", "", "", 5)
+		result, err = obj.ListObjects("bucket", "new", "", "", 5)
 		c.Assert(err, check.IsNil)
 		c.Assert(result.Objects[0].Name, check.Equals, "newPrefix")
 		c.Assert(result.Objects[1].Name, check.Equals, "newPrefix2")
 	}
 }
 
-func testObjectOverwriteWorks(c *check.C, create func() ObjectAPI) {
+func testObjectOverwriteWorks(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 
-	_, err = fs.PutObject("bucket", "object", int64(len("one")), bytes.NewBufferString("one"), nil)
+	_, err = obj.PutObject("bucket", "object", int64(len("one")), bytes.NewBufferString("one"), nil)
 	c.Assert(err, check.IsNil)
 	// c.Assert(md5Sum1hex, check.Equals, objInfo.MD5Sum)
 
-	_, err = fs.PutObject("bucket", "object", int64(len("three")), bytes.NewBufferString("three"), nil)
+	_, err = obj.PutObject("bucket", "object", int64(len("three")), bytes.NewBufferString("three"), nil)
 	c.Assert(err, check.IsNil)
 
 	var bytesBuffer bytes.Buffer
-	r, err := fs.GetObject("bucket", "object", 0)
+	r, err := obj.GetObject("bucket", "object", 0)
 	c.Assert(err, check.IsNil)
 	_, e := io.Copy(&bytesBuffer, r)
 	c.Assert(e, check.IsNil)
@@ -275,30 +275,30 @@ func testObjectOverwriteWorks(c *check.C, create func() ObjectAPI) {
 	c.Assert(r.Close(), check.IsNil)
 }
 
-func testNonExistantBucketOperations(c *check.C, create func() ObjectAPI) {
+func testNonExistantBucketOperations(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	_, err := fs.PutObject("bucket", "object", int64(len("one")), bytes.NewBufferString("one"), nil)
+	_, err := obj.PutObject("bucket", "object", int64(len("one")), bytes.NewBufferString("one"), nil)
 	c.Assert(err, check.Not(check.IsNil))
 }
 
-func testBucketRecreateFails(c *check.C, create func() ObjectAPI) {
+func testBucketRecreateFails(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("string")
+	err := obj.MakeBucket("string")
 	c.Assert(err, check.IsNil)
-	err = fs.MakeBucket("string")
+	err = obj.MakeBucket("string")
 	c.Assert(err, check.Not(check.IsNil))
 }
 
-func testPutObjectInSubdir(c *check.C, create func() ObjectAPI) {
+func testPutObjectInSubdir(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 
-	_, err = fs.PutObject("bucket", "dir1/dir2/object", int64(len("hello world")), bytes.NewBufferString("hello world"), nil)
+	_, err = obj.PutObject("bucket", "dir1/dir2/object", int64(len("hello world")), bytes.NewBufferString("hello world"), nil)
 	c.Assert(err, check.IsNil)
 
 	var bytesBuffer bytes.Buffer
-	r, err := fs.GetObject("bucket", "dir1/dir2/object", 0)
+	r, err := obj.GetObject("bucket", "dir1/dir2/object", 0)
 	c.Assert(err, check.IsNil)
 	n, e := io.Copy(&bytesBuffer, r)
 	c.Assert(e, check.IsNil)
@@ -307,49 +307,49 @@ func testPutObjectInSubdir(c *check.C, create func() ObjectAPI) {
 	c.Assert(r.Close(), check.IsNil)
 }
 
-func testListBuckets(c *check.C, create func() ObjectAPI) {
+func testListBuckets(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
 
 	// test empty list
-	buckets, err := fs.ListBuckets()
+	buckets, err := obj.ListBuckets()
 	c.Assert(err, check.IsNil)
 	c.Assert(len(buckets), check.Equals, 0)
 
 	// add one and test exists
-	err = fs.MakeBucket("bucket1")
+	err = obj.MakeBucket("bucket1")
 	c.Assert(err, check.IsNil)
 
-	buckets, err = fs.ListBuckets()
+	buckets, err = obj.ListBuckets()
 	c.Assert(len(buckets), check.Equals, 1)
 	c.Assert(err, check.IsNil)
 
 	// add two and test exists
-	err = fs.MakeBucket("bucket2")
+	err = obj.MakeBucket("bucket2")
 	c.Assert(err, check.IsNil)
 
-	buckets, err = fs.ListBuckets()
+	buckets, err = obj.ListBuckets()
 	c.Assert(len(buckets), check.Equals, 2)
 	c.Assert(err, check.IsNil)
 
 	// add three and test exists + prefix
-	err = fs.MakeBucket("bucket22")
+	err = obj.MakeBucket("bucket22")
 
-	buckets, err = fs.ListBuckets()
+	buckets, err = obj.ListBuckets()
 	c.Assert(len(buckets), check.Equals, 3)
 	c.Assert(err, check.IsNil)
 }
 
-func testListBucketsOrder(c *check.C, create func() ObjectAPI) {
+func testListBucketsOrder(c *check.C, create func() *objectAPI) {
 	// if implementation contains a map, order of map keys will vary.
 	// this ensures they return in the same order each time
 	for i := 0; i < 10; i++ {
-		fs := create()
+		obj := create()
 		// add one and test exists
-		err := fs.MakeBucket("bucket1")
+		err := obj.MakeBucket("bucket1")
 		c.Assert(err, check.IsNil)
-		err = fs.MakeBucket("bucket2")
+		err = obj.MakeBucket("bucket2")
 		c.Assert(err, check.IsNil)
-		buckets, err := fs.ListBuckets()
+		buckets, err := obj.ListBuckets()
 		c.Assert(err, check.IsNil)
 		c.Assert(len(buckets), check.Equals, 2)
 		c.Assert(buckets[0].Name, check.Equals, "bucket1")
@@ -357,20 +357,20 @@ func testListBucketsOrder(c *check.C, create func() ObjectAPI) {
 	}
 }
 
-func testListObjectsTestsForNonExistantBucket(c *check.C, create func() ObjectAPI) {
+func testListObjectsTestsForNonExistantBucket(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	result, err := fs.ListObjects("bucket", "", "", "", 1000)
+	result, err := obj.ListObjects("bucket", "", "", "", 1000)
 	c.Assert(err, check.Not(check.IsNil))
 	c.Assert(result.IsTruncated, check.Equals, false)
 	c.Assert(len(result.Objects), check.Equals, 0)
 }
 
-func testNonExistantObjectInBucket(c *check.C, create func() ObjectAPI) {
+func testNonExistantObjectInBucket(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 
-	_, err = fs.GetObject("bucket", "dir1", 0)
+	_, err = obj.GetObject("bucket", "dir1", 0)
 	c.Assert(err, check.Not(check.IsNil))
 	switch err := err.ToGoError().(type) {
 	case ObjectNotFound:
@@ -380,15 +380,15 @@ func testNonExistantObjectInBucket(c *check.C, create func() ObjectAPI) {
 	}
 }
 
-func testGetDirectoryReturnsObjectNotFound(c *check.C, create func() ObjectAPI) {
+func testGetDirectoryReturnsObjectNotFound(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 
-	_, err = fs.PutObject("bucket", "dir1/dir2/object", int64(len("hello world")), bytes.NewBufferString("hello world"), nil)
+	_, err = obj.PutObject("bucket", "dir1/dir2/object", int64(len("hello world")), bytes.NewBufferString("hello world"), nil)
 	c.Assert(err, check.IsNil)
 
-	_, err = fs.GetObject("bucket", "dir1", 0)
+	_, err = obj.GetObject("bucket", "dir1", 0)
 	switch err := err.ToGoError().(type) {
 	case ObjectNotFound:
 		c.Assert(err.Bucket, check.Equals, "bucket")
@@ -398,7 +398,7 @@ func testGetDirectoryReturnsObjectNotFound(c *check.C, create func() ObjectAPI)
 		c.Assert(err, check.Equals, "ObjectNotFound")
 	}
 
-	_, err = fs.GetObject("bucket", "dir1/", 0)
+	_, err = obj.GetObject("bucket", "dir1/", 0)
 	switch err := err.ToGoError().(type) {
 	case ObjectNotFound:
 		c.Assert(err.Bucket, check.Equals, "bucket")
@@ -409,15 +409,15 @@ func testGetDirectoryReturnsObjectNotFound(c *check.C, create func() ObjectAPI)
 	}
 }
 
-func testDefaultContentType(c *check.C, create func() ObjectAPI) {
+func testDefaultContentType(c *check.C, create func() *objectAPI) {
-	fs := create()
+	obj := create()
-	err := fs.MakeBucket("bucket")
+	err := obj.MakeBucket("bucket")
 	c.Assert(err, check.IsNil)
 
 	// Test empty
-	_, err = fs.PutObject("bucket", "one", int64(len("one")), bytes.NewBufferString("one"), nil)
+	_, err = obj.PutObject("bucket", "one", int64(len("one")), bytes.NewBufferString("one"), nil)
 	c.Assert(err, check.IsNil)
-	objInfo, err := fs.GetObjectInfo("bucket", "one")
+	objInfo, err := obj.GetObjectInfo("bucket", "one")
 	c.Assert(err, check.IsNil)
 	c.Assert(objInfo.ContentType, check.Equals, "application/octet-stream")
 }

routers.go

@@ -18,19 +18,39 @@ package main
 
 import (
 	"net/http"
+	"os"
 
 	router "github.com/gorilla/mux"
+	"github.com/minio/minio/pkg/probe"
 )
 
 // configureServer handler returns final handler for the http server.
-func configureServerHandler(objectAPI ObjectAPI) http.Handler {
+func configureServerHandler(srvCmdConfig serverCmdConfig) http.Handler {
+	var storageHandlers StorageAPI
+	if len(srvCmdConfig.exportPaths) == 1 {
+		// Verify if export path is a local file system path.
+		st, e := os.Stat(srvCmdConfig.exportPaths[0])
+		if e == nil && st.Mode().IsDir() {
+			// Initialize storage API.
+			storageHandlers, e = newFS(srvCmdConfig.exportPaths[0])
+			fatalIf(probe.NewError(e), "Initializing fs failed.", nil)
+		} else {
+			// Initialize storage API.
+			storageHandlers, e = newNetworkFS(srvCmdConfig.exportPaths[0])
+			fatalIf(probe.NewError(e), "Initializing network fs failed.", nil)
+		}
+	} // else if - XL part.
+
+	// Initialize object layer.
+	objectAPI := newObjectLayer(storageHandlers)
+
 	// Initialize API.
-	api := objectStorageAPI{
+	apiHandlers := objectAPIHandlers{
 		ObjectAPI: objectAPI,
 	}
 
 	// Initialize Web.
-	web := &webAPI{
+	webHandlers := &webAPIHandlers{
 		ObjectAPI: objectAPI,
 	}
 
@@ -38,8 +58,9 @@ func configureServerHandler(objectAPI ObjectAPI) http.Handler {
 	mux := router.NewRouter()
 
 	// Register all routers.
-	registerWebRouter(mux, web)
+	registerStorageRPCRouter(mux, storageHandlers)
-	registerAPIRouter(mux, api)
+	registerWebRouter(mux, webHandlers)
+	registerAPIRouter(mux, apiHandlers)
 	// Add new routers here.
 
 	// List of some generic handlers which are applied for all

server-main.go

@@ -69,12 +69,17 @@ EXAMPLES:
 `,
 }
 
+type serverCmdConfig struct {
+	serverAddr  string
+	exportPaths []string
+}
+
 // configureServer configure a new server instance
-func configureServer(serverAddr string, objectAPI ObjectAPI) *http.Server {
+func configureServer(srvCmdConfig serverCmdConfig) *http.Server {
 	// Minio server config
 	apiServer := &http.Server{
-		Addr:           serverAddr,
+		Addr:           srvCmdConfig.serverAddr,
-		Handler:        configureServerHandler(objectAPI),
+		Handler:        configureServerHandler(srvCmdConfig),
 		MaxHeaderBytes: 1 << 20,
 	}
 
@@ -148,7 +153,7 @@ func initServerConfig(c *cli.Context) {
 
 // Check server arguments.
 func checkServerSyntax(c *cli.Context) {
-	if c.Args().First() == "help" {
+	if !c.Args().Present() && c.Args().First() == "help" {
 		cli.ShowCommandHelpAndExit(c, "server", 1)
 	}
 	if len(c.Args()) > 2 {
@@ -255,26 +260,17 @@ func serverMain(c *cli.Context) {
 		}
 	}
 
-	// Check configured ports.
+	// Check if requested port is available.
 	checkPortAvailability(getPort(net.JoinHostPort(host, port)))
 
-	var objectAPI ObjectAPI
+	// Save all command line args as export paths.
-	var err *probe.Error
+	exportPaths := c.Args()
-
-	// Set backend FS type.
-	fsPath := strings.TrimSpace(c.Args().Get(0))
-	if fsPath != "" {
-		// Last argument is always a file system path, verify if it exists and is accessible.
-		_, e := os.Stat(fsPath)
-		fatalIf(probe.NewError(e), "Unable to validate the path", nil)
-		// Initialize filesystem storage layer.
-		storage, e := newFS(fsPath)
-		fatalIf(probe.NewError(e), "Initializing filesystem failed.", nil)
-		objectAPI = newObjectLayer(storage)
-	}
 
 	// Configure server.
-	apiServer := configureServer(serverAddress, objectAPI)
+	apiServer := configureServer(serverCmdConfig{
+		serverAddr:  serverAddress,
+		exportPaths: exportPaths,
+	})
 
 	// Credential.
 	cred := serverConfig.GetCredential()
@@ -305,6 +301,6 @@ func serverMain(c *cli.Context) {
 	}
 
 	// Start server.
-	err = minhttp.ListenAndServe(apiServer)
+	err := minhttp.ListenAndServe(apiServer)
 	errorIf(err.Trace(), "Failed to start the minio server.", nil)
 }

server_test.go

@@ -96,12 +96,10 @@ func (s *MyAPISuite) SetUpSuite(c *C) {
 	// Save config.
 	c.Assert(serverConfig.Save(), IsNil)
 
-	fs, err := newFS(fsroot)
+	apiServer := configureServer(serverCmdConfig{
-	c.Assert(err, IsNil)
+		serverAddr:  addr,
-
+		exportPaths: []string{fsroot},
-	obj := newObjectLayer(fs)
+	})
-
-	apiServer := configureServer(addr, obj)
 	testAPIFSCacheServer = httptest.NewServer(apiServer.Handler)
 }
 

storage-network.go

@@ -1,178 +0,0 @@
-/*
- * Minio Cloud Storage, (C) 2016 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 main
-
-import (
-	"errors"
-	"io"
-	"net"
-	"net/http"
-	"net/rpc"
-	"time"
-)
-
-type networkStorage struct {
-	address    string
-	connection *rpc.Client
-	httpClient *http.Client
-}
-
-const (
-	connected       = "200 Connected to Go RPC"
-	dialTimeoutSecs = 30 // 30 seconds.
-)
-
-// Initialize new network storage.
-func newNetworkStorage(address string) (StorageAPI, error) {
-	// Dial to the address with timeout of 30secs, this includes DNS resolution.
-	conn, err := net.DialTimeout("tcp", address, dialTimeoutSecs*time.Second)
-	if err != nil {
-		return nil, err
-	}
-
-	// Initialize rpc client with dialed connection.
-	rpcClient := rpc.NewClient(conn)
-
-	// Initialize http client.
-	httpClient := &http.Client{
-		// Setting a sensible time out of 2minutes to wait for
-		// response headers. Request is pro-actively cancelled
-		// after 2minutes if no response was received from server.
-		Timeout:   2 * time.Minute,
-		Transport: http.DefaultTransport,
-	}
-
-	// Initialize network storage.
-	ndisk := &networkStorage{
-		address:    address,
-		connection: rpcClient,
-		httpClient: httpClient,
-	}
-
-	// Returns successfully here.
-	return ndisk, nil
-}
-
-// MakeVol - make a volume.
-func (n networkStorage) MakeVol(volume string) error {
-	reply := GenericReply{}
-	return n.connection.Call("Storage.MakeVolHandler", volume, &reply)
-}
-
-// ListVols - List all volumes.
-func (n networkStorage) ListVols() (vols []VolInfo, err error) {
-	ListVols := ListVolsReply{}
-	err = n.connection.Call("Storage.ListVolsHandler", "", &ListVols)
-	if err != nil {
-		return nil, err
-	}
-	return ListVols.Vols, nil
-}
-
-// StatVol - get current Stat volume info.
-func (n networkStorage) StatVol(volume string) (volInfo VolInfo, err error) {
-	if err = n.connection.Call("Storage.StatVolHandler", volume, &volInfo); err != nil {
-		return VolInfo{}, err
-	}
-	return volInfo, nil
-}
-
-// DeleteVol - Delete a volume.
-func (n networkStorage) DeleteVol(volume string) error {
-	reply := GenericReply{}
-	return n.connection.Call("Storage.DeleteVolHandler", volume, &reply)
-}
-
-// File operations.
-
-// CreateFile - create file.
-func (n networkStorage) CreateFile(volume, path string) (writeCloser io.WriteCloser, err error) {
-	createFileReply := CreateFileReply{}
-	if err = n.connection.Call("Storage.CreateFileHandler", CreateFileArgs{
-		Vol:  volume,
-		Path: path,
-	}, &createFileReply); err != nil {
-		return nil, err
-	}
-	contentType := "application/octet-stream"
-	readCloser, writeCloser := io.Pipe()
-	defer readCloser.Close()
-	go n.httpClient.Post(createFileReply.URL, contentType, readCloser)
-	return writeCloser, nil
-}
-
-// StatFile - get latest Stat information for a file at path.
-func (n networkStorage) StatFile(volume, path string) (fileInfo FileInfo, err error) {
-	if err = n.connection.Call("Storage.StatFileHandler", StatFileArgs{
-		Vol:  volume,
-		Path: path,
-	}, &fileInfo); err != nil {
-		return FileInfo{}, err
-	}
-	return fileInfo, nil
-}
-
-// ReadFile - reads a file.
-func (n networkStorage) ReadFile(volume string, path string, offset int64) (reader io.ReadCloser, err error) {
-	readFileReply := ReadFileReply{}
-	if err = n.connection.Call("Storage.ReadFileHandler", ReadFileArgs{
-		Vol:    volume,
-		Path:   path,
-		Offset: offset,
-	}, &readFileReply); err != nil {
-		return nil, err
-	}
-	resp, err := n.httpClient.Get(readFileReply.URL)
-	if err != nil {
-		return nil, err
-	}
-	if resp.StatusCode != http.StatusOK {
-		return nil, errors.New("Invalid response")
-	}
-	return resp.Body, nil
-}
-
-// ListFiles - List all files in a volume.
-func (n networkStorage) ListFiles(volume, prefix, marker string, recursive bool, count int) (files []FileInfo, eof bool, err error) {
-	listFilesReply := ListFilesReply{}
-	if err = n.connection.Call("Storage.ListFilesHandler", ListFilesArgs{
-		Vol:       volume,
-		Prefix:    prefix,
-		Marker:    marker,
-		Recursive: recursive,
-		Count:     count,
-	}, &listFilesReply); err != nil {
-		return nil, true, err
-	}
-	// List of files.
-	files = listFilesReply.Files
-	// EOF.
-	eof = listFilesReply.EOF
-	return files, eof, nil
-}
-
-// DeleteFile - Delete a file at path.
-func (n networkStorage) DeleteFile(volume, path string) (err error) {
-	reply := GenericReply{}
-	if err = n.connection.Call("Storage.DeleteFileHandler", DeleteFileArgs{
-		Vol:  volume,
-		Path: path,
-	}, &reply); err != nil {
-		return err
-	}
-	return nil
-}

storage-rpc-datatypes.go

@@ -42,29 +42,6 @@ type ListFilesReply struct {
 	EOF   bool
 }
 
-// ReadFileArgs read file args.
-type ReadFileArgs struct {
-	Vol    string
-	Path   string
-	Offset int64
-}
-
-// ReadFileReply read file reply.
-type ReadFileReply struct {
-	URL string
-}
-
-// CreateFileArgs create file args.
-type CreateFileArgs struct {
-	Vol  string
-	Path string
-}
-
-// CreateFileReply create file reply.
-type CreateFileReply struct {
-	URL string
-}
-
 // StatFileArgs stat file args.
 type StatFileArgs struct {
 	Vol  string

storage-rpc-server.go

@@ -1,17 +1,13 @@
 package main
 
 import (
-	"fmt"
 	"io"
 	"net/http"
 	"net/rpc"
-	"net/url"
 	"os"
-	"path"
 	"strconv"
 
 	router "github.com/gorilla/mux"
-	"github.com/minio/minio/pkg/probe"
 	"github.com/minio/minio/pkg/safe"
 )
 
@@ -67,32 +63,6 @@ func (s *storageServer) ListFilesHandler(arg *ListFilesArgs, reply *ListFilesRep
 	return nil
 }
 
-// ReadFileHandler - read file handler is a wrapper to provide
-// destination URL for reading files.
-func (s *storageServer) ReadFileHandler(arg *ReadFileArgs, reply *ReadFileReply) error {
-	endpoint := "http://localhost:9000/minio/rpc/storage" // TODO fix this.
-	newURL, err := url.Parse(fmt.Sprintf("%s/%s", endpoint, path.Join(arg.Vol, arg.Path)))
-	if err != nil {
-		return err
-	}
-	q := newURL.Query()
-	q.Set("offset", fmt.Sprintf("%d", arg.Offset))
-	newURL.RawQuery = q.Encode()
-	reply.URL = newURL.String()
-	return nil
-}
-
-// CreateFileHandler - create file handler is rpc wrapper to create file.
-func (s *storageServer) CreateFileHandler(arg *CreateFileArgs, reply *CreateFileReply) error {
-	endpoint := "http://localhost:9000/minio/rpc/storage" // TODO fix this.
-	newURL, err := url.Parse(fmt.Sprintf("%s/%s", endpoint, path.Join(arg.Vol, arg.Path)))
-	if err != nil {
-		return err
-	}
-	reply.URL = newURL.String()
-	return nil
-}
-
 // StatFileHandler - stat file handler is rpc wrapper to stat file.
 func (s *storageServer) StatFileHandler(arg *StatFileArgs, reply *FileInfo) error {
 	fileInfo, err := s.storage.StatFile(arg.Vol, arg.Path)
@@ -108,58 +78,56 @@ func (s *storageServer) DeleteFileHandler(arg *DeleteFileArgs, reply *GenericRep
 	return s.storage.DeleteFile(arg.Vol, arg.Path)
 }
 
-// StreamUpload - stream upload handler.
+// registerStorageRPCRouter - register storage rpc router.
-func (s *storageServer) StreamUploadHandler(w http.ResponseWriter, r *http.Request) {
+func registerStorageRPCRouter(mux *router.Router, storageAPI StorageAPI) {
-	vars := router.Vars(r)
-	volume := vars["volume"]
-	path := vars["path"]
-	writeCloser, err := s.storage.CreateFile(volume, path)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusInternalServerError)
-		return
-	}
-	reader := r.Body
-	if _, err = io.Copy(writeCloser, reader); err != nil {
-		writeCloser.(*safe.File).CloseAndRemove()
-		http.Error(w, err.Error(), http.StatusInternalServerError)
-		return
-	}
-	writeCloser.Close()
-}
-
-// StreamDownloadHandler - stream download handler.
-func (s *storageServer) StreamDownloadHandler(w http.ResponseWriter, r *http.Request) {
-	vars := router.Vars(r)
-	volume := vars["volume"]
-	path := vars["path"]
-	offset, err := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusBadRequest)
-		return
-	}
-	readCloser, err := s.storage.ReadFile(volume, path, offset)
-	if err != nil {
-		httpErr := http.StatusBadRequest
-		if os.IsNotExist(err) {
-			httpErr = http.StatusNotFound
-		}
-		http.Error(w, err.Error(), httpErr)
-		return
-	}
-	io.Copy(w, readCloser)
-}
-
-func registerStorageServer(mux *router.Router, diskPath string) {
-	// Minio storage routes.
-	fs, e := newFS(diskPath)
-	fatalIf(probe.NewError(e), "Unable to initialize storage disk.", nil)
-	storageRPCServer := rpc.NewServer()
 	stServer := &storageServer{
-		storage: fs,
+		storage: storageAPI,
 	}
+	storageRPCServer := rpc.NewServer()
 	storageRPCServer.RegisterName("Storage", stServer)
 	storageRouter := mux.NewRoute().PathPrefix(reservedBucket).Subrouter()
+	// Add minio storage routes.
 	storageRouter.Path("/rpc/storage").Handler(storageRPCServer)
-	storageRouter.Methods("POST").Path("/rpc/storage/upload/{volume}/{path:.+}").HandlerFunc(stServer.StreamUploadHandler)
+	// StreamUpload - stream upload handler.
-	storageRouter.Methods("GET").Path("/rpc/storage/download/{volume}/{path:.+}").Queries("offset", "").HandlerFunc(stServer.StreamDownloadHandler)
+	storageRouter.Methods("POST").Path("/rpc/storage/upload/{volume}/{path:.+}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		vars := router.Vars(r)
+		volume := vars["volume"]
+		path := vars["path"]
+		writeCloser, err := stServer.storage.CreateFile(volume, path)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		reader := r.Body
+		if _, err = io.Copy(writeCloser, reader); err != nil {
+			writeCloser.(*safe.File).CloseAndRemove()
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		writeCloser.Close()
+		reader.Close()
+	})
+	// StreamDownloadHandler - stream download handler.
+	storageRouter.Methods("GET").Path("/rpc/storage/download/{volume}/{path:.+}").Queries("offset", "{offset:.*}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		vars := router.Vars(r)
+		volume := vars["volume"]
+		path := vars["path"]
+		offset, err := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+		readCloser, err := stServer.storage.ReadFile(volume, path, offset)
+		if err != nil {
+			httpErr := http.StatusBadRequest
+			if os.IsNotExist(err) {
+				httpErr = http.StatusNotFound
+			}
+			http.Error(w, err.Error(), httpErr)
+			return
+		}
+		io.Copy(w, readCloser)
+		w.(http.Flusher).Flush()
+		readCloser.Close()
+	})
 }

web-handlers.go

@@ -71,7 +71,7 @@ type ServerInfoRep struct {
 }
 
 // ServerInfo - get server info.
-func (web *webAPI) ServerInfo(r *http.Request, args *WebGenericArgs, reply *ServerInfoRep) error {
+func (web *webAPIHandlers) ServerInfo(r *http.Request, args *WebGenericArgs, reply *ServerInfoRep) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -106,7 +106,7 @@ type DiskInfoRep struct {
 }
 
 // DiskInfo - get disk statistics.
-func (web *webAPI) DiskInfo(r *http.Request, args *WebGenericArgs, reply *DiskInfoRep) error {
+func (web *webAPIHandlers) DiskInfo(r *http.Request, args *WebGenericArgs, reply *DiskInfoRep) error {
 	// FIXME: bring in StatFS in StorageAPI interface and uncomment the below lines.
 	// if !isJWTReqAuthenticated(r) {
 	// 	return &json2.Error{Message: "Unauthorized request"}
@@ -126,7 +126,7 @@ type MakeBucketArgs struct {
 }
 
 // MakeBucket - make a bucket.
-func (web *webAPI) MakeBucket(r *http.Request, args *MakeBucketArgs, reply *WebGenericRep) error {
+func (web *webAPIHandlers) MakeBucket(r *http.Request, args *MakeBucketArgs, reply *WebGenericRep) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -153,7 +153,7 @@ type WebBucketInfo struct {
 }
 
 // ListBuckets - list buckets api.
-func (web *webAPI) ListBuckets(r *http.Request, args *WebGenericArgs, reply *ListBucketsRep) error {
+func (web *webAPIHandlers) ListBuckets(r *http.Request, args *WebGenericArgs, reply *ListBucketsRep) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -199,7 +199,7 @@ type WebObjectInfo struct {
 }
 
 // ListObjects - list objects api.
-func (web *webAPI) ListObjects(r *http.Request, args *ListObjectsArgs, reply *ListObjectsRep) error {
+func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, reply *ListObjectsRep) error {
 	marker := ""
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
@@ -238,7 +238,7 @@ type RemoveObjectArgs struct {
 }
 
 // RemoveObject - removes an object.
-func (web *webAPI) RemoveObject(r *http.Request, args *RemoveObjectArgs, reply *WebGenericRep) error {
+func (web *webAPIHandlers) RemoveObject(r *http.Request, args *RemoveObjectArgs, reply *WebGenericRep) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -263,7 +263,7 @@ type LoginRep struct {
 }
 
 // Login - user login handler.
-func (web *webAPI) Login(r *http.Request, args *LoginArgs, reply *LoginRep) error {
+func (web *webAPIHandlers) Login(r *http.Request, args *LoginArgs, reply *LoginRep) error {
 	jwt := initJWT()
 	if jwt.Authenticate(args.Username, args.Password) {
 		token, err := jwt.GenerateToken(args.Username)
@@ -284,7 +284,7 @@ type GenerateAuthReply struct {
 	UIVersion string `json:"uiVersion"`
 }
 
-func (web webAPI) GenerateAuth(r *http.Request, args *WebGenericArgs, reply *GenerateAuthReply) error {
+func (web webAPIHandlers) GenerateAuth(r *http.Request, args *WebGenericArgs, reply *GenerateAuthReply) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -308,7 +308,7 @@ type SetAuthReply struct {
 }
 
 // SetAuth - Set accessKey and secretKey credentials.
-func (web *webAPI) SetAuth(r *http.Request, args *SetAuthArgs, reply *SetAuthReply) error {
+func (web *webAPIHandlers) SetAuth(r *http.Request, args *SetAuthArgs, reply *SetAuthReply) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -345,7 +345,7 @@ type GetAuthReply struct {
 }
 
 // GetAuth - return accessKey and secretKey credentials.
-func (web *webAPI) GetAuth(r *http.Request, args *WebGenericArgs, reply *GetAuthReply) error {
+func (web *webAPIHandlers) GetAuth(r *http.Request, args *WebGenericArgs, reply *GetAuthReply) error {
 	if !isJWTReqAuthenticated(r) {
 		return &json2.Error{Message: "Unauthorized request"}
 	}
@@ -357,7 +357,7 @@ func (web *webAPI) GetAuth(r *http.Request, args *WebGenericArgs, reply *GetAuth
 }
 
 // Upload - file upload handler.
-func (web *webAPI) Upload(w http.ResponseWriter, r *http.Request) {
+func (web *webAPIHandlers) Upload(w http.ResponseWriter, r *http.Request) {
 	if !isJWTReqAuthenticated(r) {
 		writeWebErrorResponse(w, errInvalidToken)
 		return
@@ -371,7 +371,7 @@ func (web *webAPI) Upload(w http.ResponseWriter, r *http.Request) {
 }
 
 // Download - file download handler.
-func (web *webAPI) Download(w http.ResponseWriter, r *http.Request) {
+func (web *webAPIHandlers) Download(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object := vars["object"]

web-router.go

@@ -29,8 +29,8 @@ import (
 )
 
 // webAPI container for Web API.
-type webAPI struct {
+type webAPIHandlers struct {
-	ObjectAPI ObjectAPI
+	ObjectAPI *objectAPI
 }
 
 // indexHandler - Handler to serve index.html
@@ -58,7 +58,7 @@ func assetFS() *assetfs.AssetFS {
 const specialAssets = "loader.css|logo.svg|firefox.png|safari.png|chrome.png|favicon.ico"
 
 // registerWebRouter - registers web router for serving minio browser.
-func registerWebRouter(mux *router.Router, web *webAPI) {
+func registerWebRouter(mux *router.Router, web *webAPIHandlers) {
 	// Initialize a new json2 codec.
 	codec := json2.NewCodec()
 
@@ -74,7 +74,7 @@ func registerWebRouter(mux *router.Router, web *webAPI) {
 	// RPC handler at URI - /minio/webrpc
 	webBrowserRouter.Methods("POST").Path("/webrpc").Handler(webRPC)
 	webBrowserRouter.Methods("PUT").Path("/upload/{bucket}/{object:.+}").HandlerFunc(web.Upload)
-	webBrowserRouter.Methods("GET").Path("/download/{bucket}/{object:.+}").Queries("token", "").HandlerFunc(web.Download)
+	webBrowserRouter.Methods("GET").Path("/download/{bucket}/{object:.+}").Queries("token", "{token:.*}").HandlerFunc(web.Download)
 
 	// Add compression for assets.
 	compressedAssets := handlers.CompressHandler(http.StripPrefix(reservedBucket, http.FileServer(assetFS())))