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6199aa0707
* Implements a Peer RPC router that sends info to all Minio servers in the cluster. * Bucket notifications are propagated to all nodes via this RPC router. * Bucket listener configuration is persisted to separate object layer file (`listener.json`) and peer RPCs are used to communicate changes throughout the cluster. * When events are generated, RPC calls to send them to other servers where bucket listeners may be connected is implemented. * Some bucket notification tests are now disabled as they cannot work in the new design. * Minor fix in `funcFromPC` to use `path.Join`
97 lines
2.7 KiB
Go
97 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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"strings"
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router "github.com/gorilla/mux"
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"github.com/minio/minio-go/pkg/set"
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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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var newExports []string
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// Initialize auth rpc clients.
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exports := srvCmdConfig.disks
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remoteHosts := set.NewStringSet()
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var remoteControlClnts []*AuthRPCClient
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for _, export := range exports {
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// Validates if remote disk is local.
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if isLocalStorage(export) {
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continue
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}
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newExports = append(newExports, export)
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}
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for _, export := range newExports {
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var host string
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if idx := strings.LastIndex(export, ":"); idx != -1 {
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host = export[:idx]
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}
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remoteHosts.Add(fmt.Sprintf("%s:%d", host, globalMinioPort))
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}
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for host := range remoteHosts {
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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: host,
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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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StorageDisks []StorageAPI
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RemoteControls []*AuthRPCClient
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LocalNode string
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}
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// Register control RPC handlers.
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func registerControlRPCRouter(mux *router.Router, srvCmdConfig serverCmdConfig) {
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// Initialize Control.
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ctrlHandlers := &controlAPIHandlers{
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ObjectAPI: newObjectLayerFn,
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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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ctrlRPCServer.RegisterName("Control", ctrlHandlers)
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ctrlRouter := mux.NewRoute().PathPrefix(reservedBucket).Subrouter()
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ctrlRouter.Path(controlPath).Handler(ctrlRPCServer)
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}
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