minio/cmd/admin-handlers.go

83 lines
2.8 KiB
Go

/*
* 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 cmd
import (
"encoding/json"
"net/http"
)
const (
minioAdminOpHeader = "X-Minio-Operation"
)
// ServiceStatusHandler - GET /?service
// HTTP header x-minio-operation: status
// ----------
// This implementation of the GET operation fetches server status information.
// provides total disk space available to use, online disks, offline disks and
// quorum threshold.
func (adminAPI adminAPIHandlers) ServiceStatusHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkRequestAuthType(r, "", "", "")
if adminAPIErr != ErrNone {
writeErrorResponse(w, r, adminAPIErr, r.URL.Path)
return
}
storageInfo := newObjectLayerFn().StorageInfo()
jsonBytes, err := json.Marshal(storageInfo)
if err != nil {
writeErrorResponseNoHeader(w, r, ErrInternalError, r.URL.Path)
errorIf(err, "Failed to marshal storage info into json.")
return
}
writeSuccessResponse(w, jsonBytes)
}
// ServiceStopHandler - POST /?service
// HTTP header x-minio-operation: stop
// ----------
// This implementation of the POST operation stops minio server gracefully,
// in a distributed setup stops all the servers in the cluster. Body sent
// if any on client request is ignored.
func (adminAPI adminAPIHandlers) ServiceStopHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkRequestAuthType(r, "", "", "")
if adminAPIErr != ErrNone {
writeErrorResponse(w, r, adminAPIErr, r.URL.Path)
return
}
// Reply to the client before stopping minio server.
w.WriteHeader(http.StatusOK)
sendServiceCmd(globalAdminPeers, serviceStop)
}
// ServiceRestartHandler - POST /?service
// HTTP header x-minio-operation: restart
// ----------
// This implementation of the POST operation restarts minio server gracefully,
// in a distributed setup restarts all the servers in the cluster. Body sent
// if any on client request is ignored.
func (adminAPI adminAPIHandlers) ServiceRestartHandler(w http.ResponseWriter, r *http.Request) {
adminAPIErr := checkRequestAuthType(r, "", "", "")
if adminAPIErr != ErrNone {
writeErrorResponse(w, r, adminAPIErr, r.URL.Path)
return
}
// Reply to the client before restarting minio server.
w.WriteHeader(http.StatusOK)
sendServiceCmd(globalAdminPeers, serviceRestart)
}