frp/cmd/frpc/sub/reload.go

100 lines
2.4 KiB
Go

// Copyright 2018 fatedier, fatedier@gmail.com
//
// 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 sub
import (
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/fatedier/frp/client"
"github.com/fatedier/frp/g"
"github.com/fatedier/frp/models/config"
)
func init() {
rootCmd.AddCommand(reloadCmd)
}
var reloadCmd = &cobra.Command{
Use: "reload",
Short: "Hot-Reload frpc configuration",
RunE: func(cmd *cobra.Command, args []string) error {
iniContent, err := config.GetRenderedConfFromFile(cfgFile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = parseClientCommonCfg(CfgFileTypeIni, iniContent)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
err = reload()
if err != nil {
fmt.Printf("frpc reload error: %v\n", err)
os.Exit(1)
}
fmt.Printf("reload success\n")
return nil
},
}
func reload() error {
if g.GlbClientCfg.AdminPort == 0 {
return fmt.Errorf("admin_port shoud be set if you want to use reload feature")
}
req, err := http.NewRequest("GET", "http://"+
g.GlbClientCfg.AdminAddr+":"+fmt.Sprintf("%d", g.GlbClientCfg.AdminPort)+"/api/reload", nil)
if err != nil {
return err
}
authStr := "Basic " + base64.StdEncoding.EncodeToString([]byte(g.GlbClientCfg.AdminUser+":"+
g.GlbClientCfg.AdminPwd))
req.Header.Add("Authorization", authStr)
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
} else {
if resp.StatusCode != 200 {
return fmt.Errorf("admin api status code [%d]", resp.StatusCode)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
res := &client.GeneralResponse{}
err = json.Unmarshal(body, &res)
if err != nil {
return fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(string(body)))
} else if res.Code != 0 {
return fmt.Errorf(res.Msg)
}
}
return nil
}