Example #1
0
// Events returns a stream of events in the daemon in a ReadCloser.
// It's up to the caller to close the stream.
func (cli *Client) Events(options types.EventsOptions) (io.ReadCloser, error) {
	query := url.Values{}
	ref := time.Now()

	if options.Since != "" {
		ts, err := timeutils.GetTimestamp(options.Since, ref)
		if err != nil {
			return nil, err
		}
		query.Set("since", ts)
	}
	if options.Until != "" {
		ts, err := timeutils.GetTimestamp(options.Until, ref)
		if err != nil {
			return nil, err
		}
		query.Set("until", ts)
	}
	if options.Filters.Len() > 0 {
		filterJSON, err := filters.ToParam(options.Filters)
		if err != nil {
			return nil, err
		}
		query.Set("filters", filterJSON)
	}

	serverResponse, err := cli.get("/events", query, nil)
	if err != nil {
		return nil, err
	}
	return serverResponse.body, nil
}
Example #2
0
// CmdEvents prints a live stream of real time events from the server.
//
// Usage: docker events [OPTIONS]
func (cli *DockerCli) CmdEvents(args ...string) error {
	cmd := Cli.Subcmd("events", nil, Cli.DockerCommands["events"].Description, true)
	since := cmd.String([]string{"-since"}, "", "Show all events created since timestamp")
	until := cmd.String([]string{"-until"}, "", "Stream events until this timestamp")
	flFilter := opts.NewListOpts(nil)
	cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	var (
		v               = url.Values{}
		eventFilterArgs = filters.NewArgs()
	)

	// Consolidate all filter flags, and sanity check them early.
	// They'll get process in the daemon/server.
	for _, f := range flFilter.GetAll() {
		var err error
		eventFilterArgs, err = filters.ParseFlag(f, eventFilterArgs)
		if err != nil {
			return err
		}
	}
	ref := time.Now()
	if *since != "" {
		ts, err := timeutils.GetTimestamp(*since, ref)
		if err != nil {
			return err
		}
		v.Set("since", ts)
	}
	if *until != "" {
		ts, err := timeutils.GetTimestamp(*until, ref)
		if err != nil {
			return err
		}
		v.Set("until", ts)
	}
	if eventFilterArgs.Len() > 0 {
		filterJSON, err := filters.ToParam(eventFilterArgs)
		if err != nil {
			return err
		}
		v.Set("filters", filterJSON)
	}
	sopts := &streamOpts{
		rawTerminal: true,
		out:         cli.out,
	}
	if _, err := cli.stream("GET", "/events?"+v.Encode(), sopts); err != nil {
		return err
	}
	return nil
}
Example #3
0
// ContainerLogs returns the logs generated by a container in an io.ReadCloser.
// It's up to the caller to close the stream.
func (cli *Client) ContainerLogs(options types.ContainerLogsOptions) (io.ReadCloser, error) {
	query := url.Values{}
	if options.ShowStdout {
		query.Set("stdout", "1")
	}

	if options.ShowStderr {
		query.Set("stderr", "1")
	}

	if options.Since != "" {
		ts, err := timeutils.GetTimestamp(options.Since, time.Now())
		if err != nil {
			return nil, err
		}
		query.Set("since", ts)
	}

	if options.Timestamps {
		query.Set("timestamps", "1")
	}

	if options.Follow {
		query.Set("follow", "1")
	}
	query.Set("tail", options.Tail)

	resp, err := cli.get("/containers/"+options.ContainerID+"/logs", query, nil)
	if err != nil {
		return nil, err
	}
	return resp.body, nil
}
Example #4
0
// CmdLogs fetches the logs of a given container.
//
// docker logs [OPTIONS] CONTAINER
func (cli *DockerCli) CmdLogs(args ...string) error {
	cmd := Cli.Subcmd("logs", []string{"CONTAINER"}, Cli.DockerCommands["logs"].Description, true)
	follow := cmd.Bool([]string{"f", "-follow"}, false, "Follow log output")
	since := cmd.String([]string{"-since"}, "", "Show logs since timestamp")
	times := cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps")
	tail := cmd.String([]string{"-tail"}, "all", "Number of lines to show from the end of the logs")
	cmd.Require(flag.Exact, 1)

	cmd.ParseFlags(args, true)

	name := cmd.Arg(0)

	serverResp, err := cli.call("GET", "/containers/"+name+"/json", nil, nil)
	if err != nil {
		return err
	}

	var c types.ContainerJSON
	if err := json.NewDecoder(serverResp.body).Decode(&c); err != nil {
		return err
	}

	if !validDrivers[c.HostConfig.LogConfig.Type] {
		return fmt.Errorf("\"logs\" command is supported only for \"json-file\" and \"journald\" logging drivers (got: %s)", c.HostConfig.LogConfig.Type)
	}

	v := url.Values{}
	v.Set("stdout", "1")
	v.Set("stderr", "1")

	if *since != "" {
		ts, err := timeutils.GetTimestamp(*since, time.Now())
		if err != nil {
			return err
		}
		v.Set("since", ts)
	}

	if *times {
		v.Set("timestamps", "1")
	}

	if *follow {
		v.Set("follow", "1")
	}
	v.Set("tail", *tail)

	sopts := &streamOpts{
		rawTerminal: c.Config.Tty,
		out:         cli.out,
		err:         cli.err,
	}

	_, err = cli.stream("GET", "/containers/"+name+"/logs?"+v.Encode(), sopts)
	return err
}
Example #5
0
// CmdLogs fetches the logs of a given container.
//
// docker logs [OPTIONS] CONTAINER
func (cli *DockerCli) CmdLogs(args ...string) error {
	var (
		cmd    = cli.Subcmd("logs", "CONTAINER", "Fetch the logs of a container", true)
		follow = cmd.Bool([]string{"f", "-follow"}, false, "Follow log output")
		since  = cmd.String([]string{"-since"}, "", "Show logs since timestamp")
		times  = cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps")
		tail   = cmd.String([]string{"-tail"}, "all", "Number of lines to show from the end of the logs")
	)
	cmd.Require(flag.Exact, 1)

	cmd.ParseFlags(args, true)

	name := cmd.Arg(0)

	stream, _, _, err := cli.call("GET", "/containers/"+name+"/json", nil, nil)
	if err != nil {
		return err
	}

	var c types.ContainerJSON
	if err := json.NewDecoder(stream).Decode(&c); err != nil {
		return err
	}

	if logType := c.HostConfig.LogConfig.Type; logType != "json-file" {
		return fmt.Errorf("\"logs\" command is supported only for \"json-file\" logging driver (got: %s)", logType)
	}

	v := url.Values{}
	v.Set("stdout", "1")
	v.Set("stderr", "1")

	if *since != "" {
		v.Set("since", timeutils.GetTimestamp(*since, time.Now()))
	}

	if *times {
		v.Set("timestamps", "1")
	}

	if *follow {
		v.Set("follow", "1")
	}
	v.Set("tail", *tail)

	sopts := &streamOpts{
		rawTerminal: c.Config.Tty,
		out:         cli.out,
		err:         cli.err,
	}

	return cli.stream("GET", "/containers/"+name+"/logs?"+v.Encode(), sopts)
}
Example #6
0
// CmdLogs fetches the logs of a given container.
//
// docker logs [OPTIONS] CONTAINER
func (cli *DockerCli) CmdLogs(args ...string) error {
	cmd := Cli.Subcmd("logs", []string{"CONTAINER"}, "Fetch the logs of a container", true)
	follow := cmd.Bool([]string{"f", "-follow"}, false, "Follow log output")
	since := cmd.String([]string{"-since"}, "", "Show logs since timestamp")
	times := cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps")
	tail := cmd.String([]string{"-tail"}, "all", "Number of lines to show from the end of the logs")
	cmd.Require(flag.Exact, 1)

	cmd.ParseFlags(args, true)

	name := cmd.Arg(0)

	serverResp, err := cli.call("GET", "/containers/"+name+"/json", nil, nil)
	if err != nil {
		return err
	}

	var c types.ContainerJSON
	if err := json.NewDecoder(serverResp.body).Decode(&c); err != nil {
		return err
	}

	v := url.Values{}
	v.Set("stdout", "1")
	v.Set("stderr", "1")

	if *since != "" {
		v.Set("since", timeutils.GetTimestamp(*since, time.Now()))
	}

	if *times {
		v.Set("timestamps", "1")
	}

	if *follow {
		v.Set("follow", "1")
	}
	v.Set("tail", *tail)

	sopts := &streamOpts{
		rawTerminal: c.Config.Tty,
		out:         cli.out,
		err:         cli.err,
	}

	_, err = cli.stream("GET", "/containers/"+name+"/logs?"+v.Encode(), sopts)
	return err
}
Example #7
0
func (cli *HyperClient) HyperCmdLogs(args ...string) error {
	var opts struct {
		Follow bool   `short:"f" long:"follow" default:"false" default-mask:"-" description:"Follow log output"`
		Since  string `long:"since" value-name:"\"\"" description:"Show logs since timestamp"`
		Times  bool   `short:"t" long:"timestamps" default:"false" default-mask:"-" description:"Show timestamps"`
		Tail   string `long:"tail" value-name:"\"all\"" description:"Number of lines to show from the end of the logs"`
	}

	var parser = gflag.NewParser(&opts, gflag.Default|gflag.IgnoreUnknown)
	parser.Usage = "logs CONTAINER [OPTIONS...]\n\nFetch the logs of a container"
	args, err := parser.ParseArgs(args)
	if err != nil {
		if !strings.Contains(err.Error(), "Usage") {
			return err
		} else {
			return nil
		}
	}

	if len(args) == 0 {
		return fmt.Errorf("%s ERROR: Can not accept the 'logs' command without argument!\n", os.Args[0])
	}

	v := url.Values{}
	v.Set("container", args[0])
	v.Set("stdout", "yes")
	v.Set("stderr", "yes")

	if opts.Since != "" {
		v.Set("since", timeutils.GetTimestamp(opts.Since, time.Now()))
	}

	if opts.Times {
		v.Set("timestamps", "yes")
	}

	if opts.Follow {
		v.Set("follow", "yes")
	}
	v.Set("tail", opts.Tail)

	headers := http.Header(make(map[string][]string))
	return cli.stream("GET", "/container/logs?"+v.Encode(), nil, cli.out, headers)
}