Beispiel #1
0
func AppLogs(ws *websocket.Conn) *httperr.Error {
	app := mux.Vars(ws.Request())["app"]

	a, err := models.GetApp(app)

	if awsError(err) == "ValidationError" {
		return httperr.Errorf(404, "no such app: %s", app)
	}

	if err != nil {
		return httperr.Server(err)
	}

	logs := make(chan []byte)
	done := make(chan bool)

	a.SubscribeLogs(logs, done)

	go signalWsClose(ws, done)

	for data := range logs {
		ws.Write(data)
	}

	return nil
}
Beispiel #2
0
func BuildLogs(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	app := vars["app"]
	build := vars["build"]

	_, err := models.GetApp(app)

	if awsError(err) == "ValidationError" {
		return httperr.Errorf(404, "no such app: %s", app)
	}

	_, err = models.GetBuild(app, build)

	if err != nil {
		return httperr.Server(err)
	}

	// proxy to docker container logs
	// https://docs.docker.com/reference/api/docker_remote_api_v1.19/#get-container-logs
	client, err := docker.NewClient("unix:///var/run/docker.sock")

	if err != nil {
		return httperr.Server(err)
	}

	r, w := io.Pipe()

	quit := make(chan bool)

	go scanLines(r, ws)
	go keepAlive(ws, quit)

	err = client.Logs(docker.LogsOptions{
		Container:    fmt.Sprintf("build-%s", build),
		Follow:       true,
		Stdout:       true,
		Stderr:       true,
		Tail:         "all",
		RawTerminal:  false,
		OutputStream: w,
		ErrorStream:  w,
	})

	quit <- true

	return httperr.Server(err)
}
Beispiel #3
0
func ProcessExecAttached(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	app := vars["app"]
	pid := vars["pid"]
	command := ws.Request().Header.Get("Command")

	a, err := models.GetApp(app)

	if awsError(err) == "ValidationError" {
		return httperr.Errorf(404, "no such app: %s", app)
	}

	if err != nil {
		return httperr.Server(err)
	}

	return httperr.Server(a.ExecAttached(pid, command, ws))
}
Beispiel #4
0
func ServiceLogs(ws *websocket.Conn) *httperr.Error {
	service := mux.Vars(ws.Request())["service"]

	s, err := models.GetService(service)

	if err != nil {
		return httperr.Server(err)
	}

	logs := make(chan []byte)
	done := make(chan bool)

	s.SubscribeLogs(logs, done)

	go signalWsClose(ws, done)

	for data := range logs {
		ws.Write(data)
	}

	return nil
}
Beispiel #5
0
func ProcessRunAttached(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	header := ws.Request().Header

	app := vars["app"]
	process := vars["process"]
	command := header.Get("Command")
	height, _ := strconv.Atoi(header.Get("Height"))
	width, _ := strconv.Atoi(header.Get("Width"))

	a, err := models.GetApp(app)

	if awsError(err) == "ValidationError" {
		return httperr.Errorf(404, "no such app: %s", app)
	}

	if err != nil {
		return httperr.Server(err)
	}

	return httperr.Server(a.RunAttached(process, command, height, width, ws))
}
Beispiel #6
0
func InstanceSSH(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	id := vars["id"]
	cmd := ws.Request().Header.Get("Command")

	term := ws.Request().Header.Get("Terminal")
	var height, width int
	var err error

	if term != "" {
		height, err = strconv.Atoi(ws.Request().Header.Get("Height"))
		if err != nil {
			return httperr.Server(err)
		}
		width, err = strconv.Atoi(ws.Request().Header.Get("Width"))
		if err != nil {
			return httperr.Server(err)
		}
	}

	return httperr.Server(models.InstanceSSH(id, cmd, term, height, width, ws))
}
Beispiel #7
0
func Proxy(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	host := vars["host"]
	port := vars["port"]

	conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%s", host, port), 3*time.Second)

	if neterr, ok := err.(net.Error); ok && neterr.Timeout() {
		return httperr.Errorf(403, "timeout")
	}

	if err != nil {
		return httperr.Server(err)
	}

	var wg sync.WaitGroup

	wg.Add(2)
	go copyAsync(ws, conn, &wg)
	go copyAsync(conn, ws, &wg)
	wg.Wait()

	return nil
}
Beispiel #8
0
func BuildLogs(ws *websocket.Conn) *httperr.Error {
	vars := mux.Vars(ws.Request())
	app := vars["app"]
	build := vars["build"]

	_, err := models.GetApp(app)

	if awsError(err) == "ValidationError" {
		return httperr.Errorf(404, "no such app: %s", app)
	}

	_, err = models.GetBuild(app, build)

	if err != nil {
		return httperr.Server(err)
	}

	// default to local docker socket
	host := "unix:///var/run/docker.sock"

	// in production loop through docker hosts that the rack is running on
	// to find the build
	if os.Getenv("DEVELOPMENT") != "true" {
		pss, err := models.ListProcesses(os.Getenv("RACK"))

		if err != nil {
			return httperr.Server(err)
		}

		for _, ps := range pss {
			client, err := ps.Docker()

			if err != nil {
				return httperr.Server(err)
			}

			res, err := client.ListContainers(docker.ListContainersOptions{
				All: true,
				Filters: map[string][]string{
					"name": []string{fmt.Sprintf("build-%s", build)},
				},
			})

			if len(res) > 0 {
				host = fmt.Sprintf("http://%s:2376", ps.Host)
				break
			}
		}
	}

	fmt.Printf("host %+v\n", host)

	// proxy to docker container logs
	// https://docs.docker.com/reference/api/docker_remote_api_v1.19/#get-container-logs
	client, err := docker.NewClient(host)

	if err != nil {
		return httperr.Server(err)
	}

	r, w := io.Pipe()

	quit := make(chan bool)

	go scanLines(r, ws)
	go keepAlive(ws, quit)

	err = client.Logs(docker.LogsOptions{
		Container:    fmt.Sprintf("build-%s", build),
		Follow:       true,
		Stdout:       true,
		Stderr:       true,
		Tail:         "all",
		RawTerminal:  false,
		OutputStream: w,
		ErrorStream:  w,
	})

	quit <- true

	return httperr.Server(err)
}