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K6
cmd
waitRemoteLogger

How to use waitRemoteLogger method of cmd Package

Best K6 code snippet using cmd.waitRemoteLogger

root.go

Source:root.go

...50	stderr     = &consoleWriter{colorable.NewColorableStderr(), stderrTTY, outMutex, nil}51)52const (53	defaultConfigFileName   = "config.json"54	waitRemoteLoggerTimeout = time.Second * 555)56//TODO: remove these global variables57//nolint:gochecknoglobals58var defaultConfigFilePath = defaultConfigFileName // Updated with the user's config folder in the init() function below59//nolint:gochecknoglobals60var configFilePath = os.Getenv("K6_CONFIG") // Overridden by `-c`/`--config` flag!61//nolint:gochecknoglobals62var (63	// TODO: have environment variables for configuring these? hopefully after we move away from global vars though...64	quiet   bool65	noColor bool66	address string67)68// This is to keep all fields needed for the main/root k6 command69type rootCommand struct {70	ctx            context.Context71	logger         *logrus.Logger72	fallbackLogger logrus.FieldLogger73	cmd            *cobra.Command74	loggerStopped  <-chan struct{}75	logOutput      string76	logFmt         string77	loggerIsRemote bool78	verbose        bool79}80func newRootCommand(ctx context.Context, logger *logrus.Logger, fallbackLogger logrus.FieldLogger) *rootCommand {81	c := &rootCommand{82		ctx:            ctx,83		logger:         logger,84		fallbackLogger: fallbackLogger,85	}86	// the base command when called without any subcommands.87	c.cmd = &cobra.Command{88		Use:               "k6",89		Short:             "a next-generation load generator",90		Long:              "\n" + getBanner(noColor || !stdoutTTY),91		SilenceUsage:      true,92		SilenceErrors:     true,93		PersistentPreRunE: c.persistentPreRunE,94	}95	confDir, err := os.UserConfigDir()96	if err != nil {97		logrus.WithError(err).Warn("could not get config directory")98		confDir = ".config"99	}100	defaultConfigFilePath = filepath.Join(101		confDir,102		"loadimpact",103		"k6",104		defaultConfigFileName,105	)106	c.cmd.PersistentFlags().AddFlagSet(c.rootCmdPersistentFlagSet())107	return c108}109func (c *rootCommand) persistentPreRunE(cmd *cobra.Command, args []string) error {110	var err error111	if !cmd.Flags().Changed("log-output") {112		if envLogOutput, ok := os.LookupEnv("K6_LOG_OUTPUT"); ok {113			c.logOutput = envLogOutput114		}115	}116	c.loggerStopped, err = c.setupLoggers()117	if err != nil {118		return err119	}120	select {121	case <-c.loggerStopped:122	default:123		c.loggerIsRemote = true124	}125	stdlog.SetOutput(c.logger.Writer())126	c.logger.Debugf("k6 version: v%s", consts.FullVersion())127	return nil128}129// Execute adds all child commands to the root command sets flags appropriately.130// This is called by main.main(). It only needs to happen once to the rootCmd.131func Execute() {132	ctx, cancel := context.WithCancel(context.Background())133	defer cancel()134	logger := &logrus.Logger{135		Out:       os.Stderr,136		Formatter: new(logrus.TextFormatter),137		Hooks:     make(logrus.LevelHooks),138		Level:     logrus.InfoLevel,139	}140	var fallbackLogger logrus.FieldLogger = &logrus.Logger{141		Out:       os.Stderr,142		Formatter: new(logrus.TextFormatter),143		Hooks:     make(logrus.LevelHooks),144		Level:     logrus.InfoLevel,145	}146	c := newRootCommand(ctx, logger, fallbackLogger)147	loginCmd := getLoginCmd()148	loginCmd.AddCommand(getLoginCloudCommand(logger), getLoginInfluxDBCommand(logger))149	c.cmd.AddCommand(150		getArchiveCmd(logger),151		getCloudCmd(ctx, logger),152		getConvertCmd(),153		getInspectCmd(logger),154		loginCmd,155		getPauseCmd(ctx),156		getResumeCmd(ctx),157		getScaleCmd(ctx),158		getRunCmd(ctx, logger),159		getStatsCmd(ctx),160		getStatusCmd(ctx),161		getVersionCmd(),162	)163	if err := c.cmd.Execute(); err != nil {164		exitCode := -1165		var ecerr errext.HasExitCode166		if errors.As(err, &ecerr) {167			exitCode = int(ecerr.ExitCode())168		}169		errText := err.Error()170		var xerr errext.Exception171		if errors.As(err, &xerr) {172			errText = xerr.StackTrace()173		}174		fields := logrus.Fields{}175		var herr errext.HasHint176		if errors.As(err, &herr) {177			fields["hint"] = herr.Hint()178		}179		logger.WithFields(fields).Error(errText)180		if c.loggerIsRemote {181			fallbackLogger.WithFields(fields).Error(errText)182			cancel()183			c.waitRemoteLogger()184		}185		os.Exit(exitCode) //nolint:gocritic186	}187	cancel()188	c.waitRemoteLogger()189}190func (c *rootCommand) waitRemoteLogger() {191	if c.loggerIsRemote {192		select {193		case <-c.loggerStopped:194		case <-time.After(waitRemoteLoggerTimeout):195			c.fallbackLogger.Error("Remote logger didn't stop in %s", waitRemoteLoggerTimeout)196		}197	}198}199func (c *rootCommand) rootCmdPersistentFlagSet() *pflag.FlagSet {200	flags := pflag.NewFlagSet("", pflag.ContinueOnError)201	// TODO: figure out a better way to handle the CLI flags - global variables are not very testable... :/202	flags.BoolVarP(&c.verbose, "verbose", "v", false, "enable verbose logging")203	flags.BoolVarP(&quiet, "quiet", "q", false, "disable progress updates")204	flags.BoolVar(&noColor, "no-color", false, "disable colored output")205	flags.StringVar(&c.logOutput, "log-output", "stderr",206		"change the output for k6 logs, possible values are stderr,stdout,none,loki[=host:port]")207	flags.StringVar(&c.logFmt, "logformat", "", "log output format") // TODO rename to log-format and warn on old usage208	flags.StringVarP(&address, "address", "a", "localhost:6565", "address for the api server")209	// TODO: Fix... This default value needed, so both CLI flags and environment variables work...

waitRemoteLogger

Using AI Code Generation

1func main() {2    cmd := &cmd{}3    cmd.waitRemoteLogger()4}5func main() {6    cmd := &cmd{}7    cmd.waitRemoteLogger()8}9func main() {10    cmd := &cmd{}11    cmd.waitRemoteLogger()12}13main.main()14import (15func main() {16	data, err := ioutil.ReadFile("test.txt")17	if err != nil {18		fmt.Println("File reading error", err)19	}20	fmt.Println("Contents of file:", string(data))21}22I am trying to create a simple Go program that reads a file and outputs the data to the terminal. I am able to read the file, but I am not able to output the data to the terminal. I am getting the following error: panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x4b8a8b] goroutine 1 [running]: main.main() /Users/username/go/src/github.com/username/go-file-reader/file-reader.go:16 +0x3b I am not sure why I am getting this error. I am new to Go

waitRemoteLogger

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello World")4}5import "fmt"6func main() {7    fmt.Println("Hello World")8}9import "fmt"10func main() {11    fmt.Println("Hello World")12}13import "fmt"14func main() {15    fmt.Println("Hello World")16}17import "fmt"18func main() {19    fmt.Println("Hello World")20}21import "fmt"22func main() {23    fmt.Println("Hello World")24}25import "fmt"26func main() {27    fmt.Println("Hello World")28}29import "fmt"30func main() {31    fmt.Println("Hello World")32}33import "fmt"34func main() {35    fmt.Println("Hello World")36}37import "fmt"38func main() {39    fmt.Println("Hello World")40}41import "fmt"42func main() {43    fmt.Println("Hello World")44}45import "fmt"46func main() {47    fmt.Println("Hello World")48}49import "fmt"50func main() {51    fmt.Println("Hello World")52}53import "fmt"54func main() {55    fmt.Println("Hello World")56}57import "fmt"58func main() {

waitRemoteLogger

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	time.Sleep(10 * time.Second)5}6import (7func main() {8	fmt.Println("Hello World")9	time.Sleep(10 * time.Second)10}11import (12func main() {13	fmt.Println("Hello World")14	time.Sleep(10 * time.Second)15}16import (17func main() {18	fmt.Println("Hello World")19	time.Sleep(10 * time.Second)20}21import (22func main() {23	fmt.Println("Hello World")24	time.Sleep(10 * time.Second)25}26import (27func main() {28	fmt.Println("Hello World")29	time.Sleep(10 * time.Second)30}31import (32func main() {33	fmt.Println("Hello World")34	time.Sleep(10 * time.Second)35}36import (37func main() {38	fmt.Println("Hello World")39	time.Sleep(10 * time.Second)40}41import (42func main() {43	fmt.Println("Hello World")44	time.Sleep(10 * time.Second)45}46import (47func main() {48	fmt.Println("Hello World")49	time.Sleep(10 * time.Second)50}

waitRemoteLogger

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("bash", "-c", "go run 2.go")4	err := cmd.Start()5	if err != nil {6		fmt.Println(err)7		os.Exit(1)8	}9	go func() {10		cmd.Wait()11	}()12	if runtime.GOOS == "windows" {13		time.Sleep(2 * time.Second)14	}15	cmd.Process.Signal(os.Interrupt)16}17import (18func main() {19	c := make(chan os.Signal, 1)20	signal.Notify(c, os.Interrupt, syscall.SIGTERM)21	fmt.Println("exiting")22}23import (24func main() {25	cmd := exec.Command("bash", "-c", "go run 4.go")26	err := cmd.Start()27	if err != nil {28		fmt.Println(err)29		os.Exit(1)30	}31	go func() {32		cmd.Wait()33	}()34	if runtime.GOOS == "windows" {35		time.Sleep(2 * time.Second)36	}37	cmd.Process.Signal(os.Interrupt)38}39import (40func main() {41	c := make(chan os.Signal, 1)42	signal.Notify(c, os.Interrupt, syscall.SIGTERM)43	fmt.Println("exiting")44}45import (46func main() {47	cmd := exec.Command("bash", "-c", "go run 6.go")48	err := cmd.Start()49	if err != nil {50		fmt.Println(err)51		os.Exit(1)52	}53	go func() {54		cmd.Wait()55	}()56	if runtime.GOOS == "windows" {57		time.Sleep(2 * time.Second)

waitRemoteLogger

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("ls")4	cmd.Start()5	fmt.Println("cmd started")6	cmd.Wait()7	fmt.Println("cmd exited")8}9Wait() method10import (11func main() {12	cmd := exec.Command("ls")13	cmd.Start()14	fmt.Println("cmd started")15	err := cmd.Wait()16	fmt.Println("cmd exited", err)17}18Run() method19import (20func main() {21	cmd := exec.Command("ls")22	err := cmd.Run()23	fmt.Println("cmd exited", err)24}25Output() method

waitRemoteLogger

Using AI Code Generation

1import (2func main() {3	cmd := exec.Command("cmd", "/C", "cd", path, "&&", command)4	output, err := cmd.CombinedOutput()5	if err != nil {6		fmt.Println(err.Error())7	}8	fmt.Println(string(outp

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