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minio/pkg/controller/client.go

100 lines
2.5 KiB

/*
* Minimalist Object 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 controller
import (
"encoding/json"
"net/http"
jsonrpc "github.com/gorilla/rpc/v2/json"
"github.com/minio/minio/pkg/iodine"
"github.com/minio/minio/pkg/server/rpc"
)
// GetDisks get disks info of the server at given url
func GetDisks(url string) ([]string, error) {
op := RPCOps{
Method: "DiskInfo.Get",
Request: rpc.Args{Request: ""},
}
req, err := NewRequest(url, op, http.DefaultTransport)
if err != nil {
return nil, iodine.New(err, nil)
}
resp, err := req.Do()
if err != nil {
return nil, iodine.New(err, nil)
}
defer resp.Body.Close()
var reply rpc.DiskInfoReply
if err := jsonrpc.DecodeClientResponse(resp.Body, &reply); err != nil {
return nil, iodine.New(err, nil)
}
return reply.Disks, nil
}
// GetMemStats get system info of the server at given url
func GetMemStats(url string) ([]byte, error) {
op := RPCOps{
Method: "SysInfo.Get",
Request: rpc.Args{Request: ""},
}
req, err := NewRequest(url, op, http.DefaultTransport)
if err != nil {
return nil, iodine.New(err, nil)
}
resp, err := req.Do()
if err != nil {
return nil, iodine.New(err, nil)
}
defer resp.Body.Close()
var reply rpc.SysInfoReply
if err := jsonrpc.DecodeClientResponse(resp.Body, &reply); err != nil {
return nil, iodine.New(err, nil)
}
return json.MarshalIndent(reply, "", "\t")
}
// SetDonut - set donut config
func SetDonut(url, hostname string, disks []string) error {
op := RPCOps{
Method: "Donut.Set",
Request: rpc.DonutArgs{
Hostname: hostname,
Disks: disks,
Name: "default",
MaxSize: 512000000,
},
}
req, err := NewRequest(url, op, http.DefaultTransport)
if err != nil {
return iodine.New(err, nil)
}
resp, err := req.Do()
if err != nil {
return iodine.New(err, nil)
}
defer resp.Body.Close()
var reply rpc.Reply
if err := jsonrpc.DecodeClientResponse(resp.Body, &reply); err != nil {
return iodine.New(err, nil)
}
return reply.Error
}
// Add more functions here for many replies