예제 #1
0
파일: instance.go 프로젝트: johan--/flynn
func (v *vm) Run(command string, s *Streams) error {
	if s == nil {
		s = &Streams{}
	}
	var sc *ssh.Client
	err := sshAttempts.Run(func() (err error) {
		if s.Stderr != nil {
			fmt.Fprintf(s.Stderr, "Attempting to ssh to %s:22...\n", v.IP())
		}
		sc, err = v.DialSSH()
		return
	})
	if err != nil {
		return err
	}
	defer sc.Close()
	sess, err := sc.NewSession()
	sess.Stdin = s.Stdin
	sess.Stdout = s.Stdout
	sess.Stderr = s.Stderr
	if err := sess.Run(command); err != nil {
		return fmt.Errorf("failed to run command on %s: %s", v.IP(), err)
	}
	return nil
}
예제 #2
0
func (v *vm) Run(command string, attempts attempt.Strategy, out io.Writer, stderr io.Writer) error {
	var sc *ssh.Client
	err := attempts.Run(func() (err error) {
		fmt.Fprintf(stderr, "Attempting to ssh to %s:22...\n", v.IP())
		sc, err = v.DialSSH()
		return
	})
	if err != nil {
		return err
	}
	defer sc.Close()
	sess, err := sc.NewSession()
	sess.Stdin = bytes.NewBufferString(command)
	sess.Stdout = out
	sess.Stderr = stderr
	if err := sess.Run("bash"); err != nil {
		return fmt.Errorf("failed to run command on %s: %s", v.IP(), err)
	}
	return nil
}
예제 #3
0
파일: forward.go 프로젝트: johan--/flynn
// ForwardToAgent routes authentication requests to the given keyring.
func ForwardToAgent(client *ssh.Client, keyring Agent) error {
	channels := client.HandleChannelOpen(channelType)
	if channels == nil {
		return errors.New("agent: already have handler for " + channelType)
	}

	go func() {
		for ch := range channels {
			channel, reqs, err := ch.Accept()
			if err != nil {
				continue
			}
			go ssh.DiscardRequests(reqs)
			go func() {
				ServeAgent(keyring, channel)
				channel.Close()
			}()
		}
	}()
	return nil
}
예제 #4
0
파일: forward.go 프로젝트: johan--/flynn
// ForwardToRemote routes authentication requests to the ssh-agent
// process serving on the given unix socket.
func ForwardToRemote(client *ssh.Client, addr string) error {
	channels := client.HandleChannelOpen(channelType)
	if channels == nil {
		return errors.New("agent: already have handler for " + channelType)
	}
	conn, err := net.Dial("unix", addr)
	if err != nil {
		return err
	}
	conn.Close()

	go func() {
		for ch := range channels {
			channel, reqs, err := ch.Accept()
			if err != nil {
				continue
			}
			go ssh.DiscardRequests(reqs)
			go forwardUnixSocket(channel, addr)
		}
	}()
	return nil
}