95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"net/rpc"
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"path"
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router "github.com/gorilla/mux"
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)
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// Routes paths for "minio control" commands.
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const (
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controlPath = "/control"
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)
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// Initializes remote control clients for making remote requests.
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func initRemoteControlClients(srvCmdConfig serverCmdConfig) []*AuthRPCClient {
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if !srvCmdConfig.isDistXL {
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return nil
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}
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// Initialize auth rpc clients.
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var remoteControlClnts []*AuthRPCClient
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localMap := make(map[storageEndPoint]int)
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for _, ep := range srvCmdConfig.endPoints {
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// Set path to "" so that it is not used for filtering the
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// unique entries.
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ep.path = ""
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// Validates if remote disk is local.
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if isLocalStorage(ep) {
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continue
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}
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if localMap[ep] == 1 {
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continue
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}
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localMap[ep]++
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remoteControlClnts = append(remoteControlClnts, newAuthClient(&authConfig{
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accessKey: serverConfig.GetCredential().AccessKeyID,
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secretKey: serverConfig.GetCredential().SecretAccessKey,
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secureConn: isSSL(),
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address: fmt.Sprintf("%s:%d", ep.host, ep.port),
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path: path.Join(reservedBucket, controlPath),
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loginMethod: "Control.LoginHandler",
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}))
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}
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return remoteControlClnts
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}
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// Represents control object which provides handlers for control
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// operations on server.
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type controlAPIHandlers struct {
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ObjectAPI func() ObjectLayer
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IsXL bool
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RemoteControls []*AuthRPCClient
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LocalNode string
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StorageDisks []StorageAPI
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}
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// Register control RPC handlers.
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func registerControlRPCRouter(mux *router.Router, srvCmdConfig serverCmdConfig) (err error) {
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// Initialize Control.
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ctrlHandlers := &controlAPIHandlers{
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ObjectAPI: newObjectLayerFn,
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IsXL: srvCmdConfig.isDistXL || len(srvCmdConfig.storageDisks) > 1,
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RemoteControls: initRemoteControlClients(srvCmdConfig),
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LocalNode: getLocalAddress(srvCmdConfig),
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StorageDisks: srvCmdConfig.storageDisks,
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}
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ctrlRPCServer := rpc.NewServer()
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err = ctrlRPCServer.RegisterName("Control", ctrlHandlers)
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if err != nil {
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return traceError(err)
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}
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ctrlRouter := mux.NewRoute().PathPrefix(reservedBucket).Subrouter()
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ctrlRouter.Path(controlPath).Handler(ctrlRPCServer)
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return nil
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}
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