mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-20 09:30:42 +08:00
117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
// Copyright 2019 Yunion
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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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package command
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/onecloud/pkg/mcclient"
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"yunion.io/x/onecloud/pkg/webconsole/helper"
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)
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type ClimcSshInfo struct {
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IpAddr string `json:"ip_addr"`
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Username string `json:"username"`
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}
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type ClimcSshCommand struct {
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*BaseCommand
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Info *ClimcSshInfo
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s *mcclient.ClientSession
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keyFile string
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buffer []byte
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}
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func NewClimcSshCommand(info *ClimcSshInfo, s *mcclient.ClientSession) (*ClimcSshCommand, error) {
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if info.IpAddr == "" {
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return nil, fmt.Errorf("Empty host ip address")
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}
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if info.Username == "" {
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return nil, fmt.Errorf("Empty username")
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}
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privateKey, err := helper.GetValidPrivateKey(info.IpAddr, 22, info.Username, "")
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if err != nil {
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return nil, errors.Wrap(err, "get cloud admin private key")
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}
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file, err := ioutil.TempFile("", fmt.Sprintf("id_rsa.%s.", info.IpAddr))
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if err != nil {
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return nil, err
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}
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defer file.Close()
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filename := file.Name()
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{
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err = os.Chmod(filename, 0600)
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if err != nil {
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return nil, err
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}
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_, err = file.Write([]byte(privateKey))
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if err != nil {
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return nil, err
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}
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}
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name := "bash"
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args := []string{
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"-c",
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fmt.Sprintf("ssh -o StrictHostKeyChecking=no -i %s %s@%s", filename, info.Username, info.IpAddr),
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}
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bCmd := NewBaseCommand(s, name, args...)
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cmd := &ClimcSshCommand{
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BaseCommand: bCmd,
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Info: info,
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s: s,
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keyFile: filename,
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buffer: []byte{},
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}
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return cmd, nil
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}
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func (c ClimcSshCommand) GetCommand() *exec.Cmd {
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cmd := c.BaseCommand.GetCommand()
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cmd.Env = append(cmd.Env, "TERM=xterm-256color")
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return cmd
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}
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func (c ClimcSshCommand) GetProtocol() string {
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return PROTOCOL_TTY
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}
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func (c ClimcSshCommand) Cleanup() error {
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if len(c.keyFile) > 0 {
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os.Remove(c.keyFile)
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c.keyFile = ""
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}
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return nil
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}
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func (c *ClimcSshCommand) Scan(d byte, send func(msg string)) {
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switch d {
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case '\r': // 换行
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send("\r\n")
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c.buffer = []byte{}
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case '\u007f': // 退格
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if len(c.buffer) > 0 {
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c.buffer = c.buffer[:len(c.buffer)-1]
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send("\b \b")
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}
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default:
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c.buffer = append(c.buffer, d)
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}
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}
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