/
shell.go
205 lines (188 loc) · 5.68 KB
/
shell.go
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package pkg
import (
"fmt"
"github.com/bramvdbogaerde/go-scp"
"golang.org/x/crypto/ssh"
"io/ioutil"
"os"
"path"
"time"
)
// 执行远程shell指令
func ShellExecuteRemote(ip, port, user string, password interface{}, cmdStr string) (string, error) {
var config *ssh.ClientConfig
if password != nil {
// 账号密码登录
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.Password(password.(string))},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
} else {
// 免密登录
userDir := fmt.Sprintf(`/home/%s`, user)
if user == "root" {
userDir = "/root"
}
pemKeyPath := path.Join(userDir, ".ssh/id_rsa")
pemBytes, err := ioutil.ReadFile(pemKeyPath)
if err != nil {
return ip +"获取私钥失败", err
}
signer, err := ssh.ParsePrivateKey(pemBytes)
if err != nil {
return ip +"解析私钥失败", err
}
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.PublicKeys(signer)},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
}
sshClient, err := ssh.Dial("tcp", ip+":"+port, config)
if err != nil {
return ip +"ssh连接失败", err
}
defer sshClient.Close()
//创建ssh-session
session, err := sshClient.NewSession()
if err != nil {
return ip +"ssh session连接失败", err
}
defer session.Close()
//执行远程命令
combo,err := session.CombinedOutput(cmdStr)
if err != nil {
return ip +"远程指令["+cmdStr+"]操作失败", err
}
return string(combo), nil
}
// 执行远程shell指令(流式输出结果)
func ShellExecuteRemoteStream(ip, port, user string, password interface{}, cmdStr string) error {
var config *ssh.ClientConfig
if password != nil {
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.Password(password.(string))},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
} else {
// 免密登录
userDir := fmt.Sprintf(`/home/%s`, user)
if user == "root" {
userDir = "/root"
}
pemKeyPath := path.Join(userDir, ".ssh/id_rsa")
pemBytes, err := ioutil.ReadFile(pemKeyPath)
if err != nil {
return err
}
signer, err := ssh.ParsePrivateKey(pemBytes)
if err != nil {
return err
}
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.PublicKeys(signer)},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
}
sshClient, err := ssh.Dial("tcp", ip+":"+port, config)
if err != nil {
return err
}
defer sshClient.Close()
//创建ssh-session
session, err := sshClient.NewSession()
if err != nil {
return err
}
defer session.Close()
stdout, err := session.StdoutPipe()
session.Stderr = session.Stdout
//执行远程命令
//_, err = session.CombinedOutput(cmdStr)
err = session.Start(cmdStr)
if err != nil {
return err
}
for {
tmp := make([]byte, 1024)
_, err = stdout.Read(tmp)
fmt.Print(string(tmp))
if err != nil {
break
}
}
err = session.Wait()
if err != nil {
return err
}
return nil
}
func ShellScpRemote(ip, port, user string, password interface{}, src, dest string) (string, error) {
var config *ssh.ClientConfig
if password != nil {
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.Password(password.(string))},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
} else {
// 免密登录
userDir := fmt.Sprintf(`/home/%s`, user)
if user == "root" {
userDir = "/root"
}
pemKeyPath := path.Join(userDir, ".ssh/id_rsa")
pemBytes, err := ioutil.ReadFile(pemKeyPath)
if err != nil {
return ip +"获取私钥失败", err
}
signer, err := ssh.ParsePrivateKey(pemBytes)
if err != nil {
return ip +"解析私钥失败", err
}
config = &ssh.ClientConfig{
Timeout: time.Second,//ssh 连接time out 时间一秒钟, 如果ssh验证错误 会在一秒内返回
User: user,
Auth: []ssh.AuthMethod{ssh.PublicKeys(signer)},
HostKeyCallback: ssh.InsecureIgnoreHostKey(), //这个可以, 但是不够安全
//HostKeyCallback: hostKeyCallBackFunc(h.Host),
}
}
sshClient, err := ssh.Dial("tcp", ip+":"+port, config)
if err != nil {
msgSshClient := fmt.Sprintf(`%s 创建ssh client 失败`, ip)
return msgSshClient, err
} else {
defer sshClient.Close()
}
client, err := scp.NewClientBySSH(sshClient)
if err != nil {
msgScpClient := fmt.Sprintf(`scp client 失败, %v`, err)
return msgScpClient, err
} else {
defer client.Close()
}
f, _ := os.Open(src)
err = client.CopyFile(f, dest, "0755")
if err != nil {
msgCopyDest := fmt.Sprintf(`Error while copying file , Maybe the path does not exist, %v`, err)
return msgCopyDest, err
} else {
f.Close()
}
msgMessageSuccess := fmt.Sprintf(`ip [%s] scp文件%v成功!`, ip , dest)
return msgMessageSuccess, nil
}