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minio/routers.go

116 lines
3.7 KiB

/*
* Minio Cloud Storage, (C) 2015, 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"
"net/http"
"os"
"strings"
router "github.com/gorilla/mux"
)
// newObjectLayer - initialize any object layer depending on the number of disks.
func newObjectLayer(disks, ignoredDisks []string) (ObjectLayer, error) {
if len(disks) == 1 {
exportPath := disks[0]
// Initialize FS object layer.
return newFSObjects(exportPath)
}
// Initialize XL object layer.
objAPI, err := newXLObjects(disks, ignoredDisks)
if err == errXLWriteQuorum {
return objAPI, errors.New("Disks are different with last minio server run.")
}
return objAPI, err
}
// configureServer handler returns final handler for the http server.
func configureServerHandler(srvCmdConfig serverCmdConfig) http.Handler {
objAPI, err := newObjectLayer(srvCmdConfig.disks, srvCmdConfig.ignoredDisks)
fatalIf(err, "Unable to intialize object layer.")
// Migrate bucket policy from configDir to .minio.sys/buckets/
err = migrateBucketPolicyConfig(objAPI)
fatalIf(err, "Unable to migrate bucket policy from config directory")
err = cleanupOldBucketPolicyConfigs()
fatalIf(err, "Unable to clean up bucket policy from config directory.")
// Initialize storage rpc server.
storageRPC, err := newRPCServer(srvCmdConfig.disks[0]) // FIXME: should only have one path.
fatalIf(err, "Unable to initialize storage RPC server.")
// Initialize API.
apiHandlers := objectAPIHandlers{
ObjectAPI: objAPI,
}
fs: Break fs package to top-level and introduce ObjectAPI interface. ObjectAPI interface brings in changes needed for XL ObjectAPI layer. The new interface for any ObjectAPI layer is as below ``` // 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) (ListObjectsResult, *probe.Error) ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *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 string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error) CompleteMultipartUpload(bucket string, object string, uploadID string, parts []CompletePart) (ObjectInfo, *probe.Error) AbortMultipartUpload(bucket, object, uploadID string) *probe.Error } ```
9 years ago
// Initialize Web.
webHandlers := &webAPIHandlers{
ObjectAPI: objAPI,
}
// Initialize router.
mux := router.NewRouter()
// Register all routers.
registerStorageRPCRouter(mux, storageRPC)
// set environmental variable MINIO_BROWSER=off to disable minio web browser.
// By default minio web browser is enabled.
if !strings.EqualFold(os.Getenv("MINIO_BROWSER"), "off") {
registerWebRouter(mux, webHandlers)
}
registerAPIRouter(mux, apiHandlers)
// Add new routers here.
// List of some generic handlers which are applied for all
// incoming requests.
var handlerFns = []HandlerFunc{
// Limits the number of concurrent http requests.
setRateLimitHandler,
// Limits all requests size to a maximum fixed limit
setRequestSizeLimitHandler,
// Adds 'crossdomain.xml' policy handler to serve legacy flash clients.
setCrossDomainPolicy,
// Redirect some pre-defined browser request paths to a static location prefix.
setBrowserRedirectHandler,
// Validates if incoming request is for restricted buckets.
setPrivateBucketHandler,
// Adds cache control for all browser requests.
setBrowserCacheControlHandler,
// Validates all incoming requests to have a valid date header.
setTimeValidityHandler,
// CORS setting for all browser API requests.
setCorsHandler,
// Validates all incoming URL resources, for invalid/unsupported
// resources client receives a HTTP error.
setIgnoreResourcesHandler,
// Auth handler verifies incoming authorization headers and
// routes them accordingly. Client receives a HTTP error for
// invalid/unsupported signatures.
setAuthHandler,
// Add new handlers here.
}
// Register rest of the handlers.
return registerHandlers(mux, handlerFns...)
}