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minio/controller-rpc-server.go

68 lines
2.0 KiB

/*
* Minio Cloud Storage, (C) 2015 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 (
"net/http"
"github.com/gorilla/rpc/v2/json"
"github.com/minio/minio/pkg/probe"
)
type controllerServerRPCService struct {
serverList []ServerArg
}
func proxyRequest(method string, ip string, arg interface{}, res interface{}) error {
op := rpcOperation{
Method: "Server." + method,
Request: arg,
}
request, _ := newRPCRequest("http://"+ip+":9002/rpc", op, nil)
resp, err := request.Do()
if err != nil {
return probe.WrapError(err)
}
decodeerr := json.DecodeClientResponse(resp.Body, res)
return decodeerr
}
func (s *controllerServerRPCService) Add(r *http.Request, arg *ServerArg, res *DefaultRep) error {
err := proxyRequest("Add", arg.IP, arg, res)
if err == nil {
s.serverList = append(s.serverList, *arg)
}
return err
}
func (s *controllerServerRPCService) MemStats(r *http.Request, arg *ServerArg, res *MemStatsRep) error {
return proxyRequest("MemStats", arg.IP, arg, res)
}
func (s *controllerServerRPCService) DiskStats(r *http.Request, arg *ServerArg, res *DiskStatsRep) error {
return proxyRequest("DiskStats", arg.IP, arg, res)
}
func (s *controllerServerRPCService) SysInfo(r *http.Request, arg *ServerArg, res *SysInfoRep) error {
return proxyRequest("SysInfo", arg.IP, arg, res)
}
func (s *controllerServerRPCService) List(r *http.Request, arg *ServerArg, res *ListRep) error {
res.List = s.serverList
return nil
}