Context("when the command exits with a non-zero value", func() {
It("it preserve the exit code", func() {
err := session.Run("exit 3")
Expect(err).To(HaveOccurred())
exitErr, ok := err.(*ssh.ExitError)
Expect(ok).To(BeTrue())
Expect(exitErr.ExitStatus()).To(Equal(3))
})
})
Context("when a signal is sent across the session", func() {
Context("before a command has been run", func() {
BeforeEach(func() {
err := session.Signal(ssh.SIGTERM)
Expect(err).NotTo(HaveOccurred())
})
It("does not prevent the command from running", func() {
result, err := session.Output("/bin/echo -n 'still kicking'")
Expect(err).NotTo(HaveOccurred())
Expect(string(result)).To(Equal("still kicking"))
})
})
Context("while a command is running", func() {
var stdin io.WriteCloser
var stdout io.Reader
BeforeEach(func() {
func (s *BotClientT) Start(botId string, botInstance int, cmdline string, cfg *ConfigT, debugLevel int) error {
var err error
var sshclient *ssh.Client
var session *ssh.Session
// var wg sync.WaitGroup
var cmd string
if s.Host[botInstance].Status == BotStatPaused {
return nil
}
if s.Host[botInstance].Status == BotStatRunning {
err = s.PingAt(botId, botInstance, cfg)
if err == nil {
Goose.Ping.Logf(2, "bot %s@%s is alive", botId, s.Host[botInstance].Name)
return nil
}
}
Goose.StartStop.Logf(2, "Starting bot %s@%s", botId, s.Host[botInstance].Name)
s.Host[botInstance].Status = BotStatUnreachable
if s.Host[botInstance].OnStatUpdate != nil {
s.Host[botInstance].OnStatUpdate(BotStatUnreachable)
}
cfg.SshClientConfig.User = s.SysUser
sshclient, err = ssh.Dial("tcp", s.Host[botInstance].Name+":22", cfg.SshClientConfig)
if err != nil {
Goose.StartStop.Logf(1, "%s (%s)", ErrDialingToBot, err)
return ErrDialingToBot
}
defer sshclient.Close()
Goose.StartStop.Logf(3, "Dialed to bot %s@%s", botId, s.Host[botInstance].Name)
session, err = sshclient.NewSession()
if err != nil {
Goose.StartStop.Logf(1, "%s (%s)", ErrCreatingSession, err)
return ErrCreatingSession
}
defer session.Close()
Goose.StartStop.Logf(3, "Session started at bot %s@%s", botId, s.Host[botInstance].Name)
/*
wg.Add(1)
go func() {
defer wg.Done()
w, _ := session.StdinPipe()
defer w.Close()
Goose.StartStop.Logf(2,"Closing stdin for bot %s",botId)
//fmt.Fprintf(w, "%s\n", config)
}()
*/
/*
// Set up terminal modes
modes := ssh.TerminalModes{
ssh.ECHO: 0, // disable echoing
ssh.TTY_OP_ISPEED: 14400, // input speed = 14.4kbaud
ssh.TTY_OP_OSPEED: 14400, // output speed = 14.4kbaud
}
// Request pseudo terminal
if err := session.RequestPty("xterm", 80, 40, modes); err != nil {
Goose.StartStop.Fatalf(1,"request for pseudo terminal failed: %s", err)
}
session.Stdout = &bytes.Buffer{}
session.Stderr = &bytes.Buffer{}
*/
cmd = fmt.Sprintf("%s%c%s -v %d %s", s.BinDir, os.PathSeparator, s.BinName, debugLevel, cmdline)
Goose.StartStop.Logf(3, "Will run %s@%s using %s", botId, s.Host[botInstance].Name, cmd)
err = session.Start(cmd)
// err = session.Run(cmd)
Goose.StartStop.Logf(2, "Running bot %s", botId)
// wg.Wait()
if err != nil {
session.Signal(ssh.SIGKILL)
Goose.StartStop.Logf(1, "%s (%s)", ErrFailedStartingBot, err)
return ErrFailedStartingBot
}
Goose.StartStop.Logf(2, "Started bot %s with cmd:[%s]", botId, cmd)
s.Host[botInstance].Status = BotStatRunning
if s.Host[botInstance].OnStatUpdate != nil {
s.Host[botInstance].OnStatUpdate(BotStatRunning)
}
return nil
}
