コード例 #1
0
ファイル: helpers.go プロジェクト: ebfe/scaleway-cli
// WaitForServerReady wait for a server state to be running, then wait for the SSH port to be available
func WaitForServerReady(api *ScalewayAPI, serverID string, gateway string) (*ScalewayServer, error) {
	promise := make(chan bool)
	var server *ScalewayServer
	var err error

	go func() {
		defer close(promise)

		server, err = WaitForServerState(api, serverID, "running")
		if err != nil {
			promise <- false
			return
		}

		if gateway == "" {
			log.Debugf("Waiting for server SSH port")
			dest := fmt.Sprintf("%s:22", server.PublicAddress.IP)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}
		} else {
			log.Debugf("Waiting for gateway SSH port")
			dest := fmt.Sprintf("%s:22", gateway)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}

			log.Debugf("Waiting 30 more seconds, for SSH to be ready")
			time.Sleep(30 * time.Second)
			// FIXME: check for SSH port through the gateway
		}
		promise <- true
	}()

	loop := 0
	for {
		select {
		case done := <-promise:
			utils.LogQuiet("\r \r")
			if done == false {
				return nil, err
			}
			return server, nil
		case <-time.After(time.Millisecond * 100):
			utils.LogQuiet(fmt.Sprintf("\r%c\r", "-\\|/"[loop%4]))
			loop = loop + 1
			if loop == 5 {
				loop = 0
			}
		}
	}
}
コード例 #2
0
// WaitForServerReady wait for a server state to be running, then wait for the SSH port to be available
func WaitForServerReady(api *ScalewayAPI, serverID string, gateway string) (*ScalewayServer, error) {
	promise := make(chan bool)
	var server *ScalewayServer
	var err error
	var currentState string

	go func() {
		defer close(promise)

		for {
			server, err = api.GetServer(serverID)
			if err != nil {
				promise <- false
				return
			}
			if currentState != server.State {
				log.Infof("Server changed state to '%s'", server.State)
				currentState = server.State
			}
			if server.State == "running" {
				break
			}
			if server.State == "stopped" {
				err = fmt.Errorf("The server has been stopped")
				promise <- false
				return
			}
			time.Sleep(1 * time.Second)
		}

		if gateway == "" {
			log.Debugf("Waiting for server SSH port")
			dest := fmt.Sprintf("%s:22", server.PublicAddress.IP)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}
		} else {
			log.Debugf("Waiting for gateway SSH port")
			dest := fmt.Sprintf("%s:22", gateway)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}

			log.Debugf("Waiting 30 more seconds, for SSH to be ready")
			time.Sleep(30 * time.Second)
			// FIXME: check for SSH port through the gateway
		}
		promise <- true
	}()

	loop := 0
	for {
		select {
		case done := <-promise:
			utils.LogQuiet("\r \r")
			if done == false {
				return nil, err
			}
			return server, nil
		case <-time.After(time.Millisecond * 100):
			utils.LogQuiet(fmt.Sprintf("\r%c\r", "-\\|/"[loop%4]))
			loop = loop + 1
			if loop == 5 {
				loop = 0
			}
		}
	}
}
コード例 #3
0
ファイル: helpers.go プロジェクト: QuentinPerez/scaleway-cli
// WaitForServerReady wait for a server state to be running, then wait for the SSH port to be available
func WaitForServerReady(api *ScalewayAPI, serverID, gateway string) (*ScalewayServer, error) {
	promise := make(chan bool)
	var server *ScalewayServer
	var err error
	var currentState string

	go func() {
		defer close(promise)

		for {
			server, err = api.GetServer(serverID)
			if err != nil {
				promise <- false
				return
			}
			if currentState != server.State {
				log.Infof("Server changed state to '%s'", server.State)
				currentState = server.State
			}
			if server.State == "running" {
				break
			}
			if server.State == "stopped" {
				err = fmt.Errorf("The server has been stopped")
				promise <- false
				return
			}
			time.Sleep(1 * time.Second)
		}

		if gateway == "" {
			dest := fmt.Sprintf("%s:22", server.PublicAddress.IP)
			log.Debugf("Waiting for server SSH port %s", dest)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}
		} else {
			dest := fmt.Sprintf("%s:22", gateway)
			log.Debugf("Waiting for server SSH port %s", dest)
			err = utils.WaitForTCPPortOpen(dest)
			if err != nil {
				promise <- false
				return
			}
			timeout := time.Tick(120 * time.Second)
			for {
				select {
				case <-timeout:
					err = fmt.Errorf("Timeout: unable to ping %s", server.PrivateIP)
					fmt.Println("timeout")
					goto OUT
				default:
					if utils.SSHExec("", server.PrivateIP, "root", 22, []string{
						"nc",
						"-z",
						"-w",
						"1",
						server.PrivateIP,
						"22",
					}, false, gateway) == nil {
						goto OUT
					}
				}
			}
		OUT:
			if err != nil {
				promise <- false
				return
			}
			log.Debugf("Check for SSH port through the gateway: %s", server.PrivateIP)

		}
		promise <- true
	}()

	loop := 0
	for {
		select {
		case done := <-promise:
			utils.LogQuiet("\r \r")
			if !done {
				return nil, err
			}
			return server, nil
		case <-time.After(time.Millisecond * 100):
			utils.LogQuiet(fmt.Sprintf("\r%c\r", "-\\|/"[loop%4]))
			loop = loop + 1
			if loop == 5 {
				loop = 0
			}
		}
	}
}