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119 lines
3.1 KiB
119 lines
3.1 KiB
/*
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* Minio Cloud Storage, (C) 2015 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 rpc
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import (
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"net/http"
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"os"
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"runtime"
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"syscall"
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"github.com/minio/minio/pkg/probe"
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)
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// MinioServer - container for minio server data
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type MinioServer struct {
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Name string `json:"name"`
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IP string `json:"ip"`
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ID string `json:"id"`
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}
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// ServerArg - server arg
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type ServerArg struct {
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MinioServer
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}
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// ServerAddReply - server add reply
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type ServerAddReply struct {
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Server MinioServer `json:"server"`
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Status string `json:"status"`
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}
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// MemStatsReply memory statistics
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type MemStatsReply struct {
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runtime.MemStats `json:"memstats"`
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}
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// DiskStatsReply disk statistics
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type DiskStatsReply struct {
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DiskStats syscall.Statfs_t `json:"diskstats"`
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}
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// SysInfoReply system info
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type SysInfoReply struct {
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Hostname string `json:"hostname"`
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SysARCH string `json:"sys.arch"`
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SysOS string `json:"sys.os"`
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SysCPUS int `json:"sys.ncpus"`
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Routines int `json:"goroutines"`
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GOVersion string `json:"goversion"`
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}
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// ServerListReply list of minio servers
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type ServerListReply struct {
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ServerList []MinioServer `json:"servers"`
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}
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// ServerService server json rpc service
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type ServerService struct {
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serverList []MinioServer
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}
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// Add - add new server
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func (s *ServerService) Add(r *http.Request, arg *ServerArg, reply *ServerAddReply) error {
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reply.Server = MinioServer{arg.Name, arg.IP, arg.ID}
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reply.Status = "connected"
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s.serverList = append(s.serverList, reply.Server)
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return nil
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}
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// MemStats - memory statistics on the server
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func (s *ServerService) MemStats(r *http.Request, arg *ServerArg, reply *MemStatsReply) error {
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runtime.ReadMemStats(&reply.MemStats)
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return nil
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}
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// DiskStats - disk statistics on the server
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func (s *ServerService) DiskStats(r *http.Request, arg *ServerArg, reply *DiskStatsReply) error {
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syscall.Statfs("/", &reply.DiskStats)
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return nil
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}
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// SysInfo - system info for the server
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func (s *ServerService) SysInfo(r *http.Request, arg *ServerArg, reply *SysInfoReply) error {
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reply.SysARCH = runtime.GOARCH
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reply.SysOS = runtime.GOOS
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reply.SysCPUS = runtime.NumCPU()
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reply.Routines = runtime.NumGoroutine()
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reply.GOVersion = runtime.Version()
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var err error
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reply.Hostname, err = os.Hostname()
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if err != nil {
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return probe.WrapError(probe.NewError(err))
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}
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return nil
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}
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// List of servers in the cluster
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func (s *ServerService) List(r *http.Request, arg *ServerArg, reply *ServerListReply) error {
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reply.ServerList = []MinioServer{
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{"server.one", "192.168.1.1", "192.168.1.1"},
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{"server.two", "192.168.1.2", "192.168.1.2"},
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{"server.three", "192.168.1.3", "192.168.1.3"},
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}
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return nil
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}
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