/
ssh.go
88 lines (77 loc) · 2.58 KB
/
ssh.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package job
import (
"net"
"os"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/node/api/model"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
)
func UnifiedLogin(login *model.Login) (*ssh.Client, error) {
logrus.Infof("login target host by info %v", login)
if login.LoginType {
return SSHClientTo(login.HostPort, "root", login.RootPwd)
} else {
return SSHClient(login.HostPort, "root")
}
}
func SSHClientTo(hostport string, username, password string) (*ssh.Client, error) {
config := &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{
ssh.Password(password),
},
HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error {
return nil
},
}
client, err := ssh.Dial("tcp", hostport, config)
if err != nil {
logrus.Warnf("failed to connect %s use username %s ,error: %s", hostport, username, err.Error())
return new(ssh.Client), err
}
return client, nil
}
func SSHClient(hostport string, username string) (*ssh.Client, error) {
sock, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
if err != nil {
logrus.Infof("error login,details: %s", err.Error())
return nil, err
}
agent := agent.NewClient(sock)
signers, err := agent.Signers()
if err != nil {
logrus.Infof("error login,details: %s", err.Error())
return nil, err
}
auths := []ssh.AuthMethod{ssh.PublicKeys(signers...)}
cfg := &ssh.ClientConfig{
User: username,
Auth: auths,
HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error {
return nil
},
}
cfg.SetDefaults()
logrus.Infof("tcp dial to %s", hostport)
client, err := ssh.Dial("tcp", hostport, cfg)
if err != nil {
logrus.Infof("error login,details: %s", err.Error())
return nil, err
}
return client, nil
}