How to use setupLoggers method of cmd Package

Best K6 code snippet using cmd.setupLoggers

command.go

Source:command.go

...38	if config == nil {39		return 140	}41	// Setup the log outputs42	logGate, logWriter, logOutput := c.setupLoggers(config)43	if logWriter == nil {44		return 145	}46	// Setup watchdog47	agent := NewAgent(config, logGate)48	if agent == nil {49		return 150	}51	defer agent.Shutdown()52	// Start the agent53	ipc := c.startAgent(config, agent, logWriter, logOutput)54	if ipc == nil {55		return 156	}57	defer ipc.Shutdown()58	c.Ui.Info("Watchdog agent running!")59	// Enable log streaming60	c.Ui.Info("")61	c.Ui.Output("Log data will now stream in as it occurs:\n")62	logGate.Flush()63	// Wait for exit64	return c.handleSignals(agent)65}66// startAgent is used to start the agent and IPC67func (c *Command) startAgent(config *Config, agent *Agent,68	logWriter *logWriter, logOutput io.Writer) *AgentIPC {69	// Start the agent after the handler is registered70	if err := agent.Start(); err != nil {71		c.Ui.Error(fmt.Sprintf("Failed to start the Watchdog agent: %v", err))72		return nil73	}74	// Setup the RPC listener75	rpcListener, err := net.Listen("tcp", config.RPCAddr)76	if err != nil {77		c.Ui.Error(fmt.Sprintf("Error starting RPC listener: %s", err))78		return nil79	}80	// Start the IPC layer81	c.Ui.Output("Starting Serf agent RPC...")82	ipc := NewAgentIPC(agent, rpcListener, logOutput, logWriter)83	c.Ui.Info(fmt.Sprintf("RPC address: '%s'", config.RPCAddr))84	return ipc85}86// readConfig is responsible for setup of our configuration using87// the command line and any file configs88func (c *Command) readConfig() *Config {89	var cmdConfig Config90	var configFiles []string91	cmdFlags := flag.NewFlagSet("agent", flag.ContinueOnError)92	cmdFlags.Usage = func() { c.Ui.Output(c.Help()) }93	cmdFlags.Var((*AppendSliceValue)(&configFiles), "config-file",94		"json file to read config from")95	cmdFlags.Var((*AppendSliceValue)(&configFiles), "config-dir",96		"directory of json files to read")97	cmdFlags.StringVar(&cmdConfig.LogLevel, "log-level", "", "log level")98	cmdFlags.StringVar(&cmdConfig.RPCAddr, "rpc-addr", "",99		"address to bind RPC listener to")100	if err := cmdFlags.Parse(c.args); err != nil {101		return nil102	}103	config := DefaultConfig104	if len(configFiles) > 0 {105		fileConfig, err := ReadConfigPaths(configFiles)106		if err != nil {107			c.Ui.Error(err.Error())108			return nil109		}110		config = MergeConfig(config, fileConfig)111	}112	config = MergeConfig(config, &cmdConfig)113	return config114}115// handleSignals blocks until we get an exit-causing signal116func (c *Command) handleSignals(agent *Agent) int {117	signalCh := make(chan os.Signal, 4)118	signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)119	// Wait for a signal120	var sig os.Signal121	select {122	case s := <-signalCh:123		sig = s124	case <-c.ShutdownCh:125		sig = os.Interrupt126	case <-agent.ShutdownCh():127		// Agent is already shutdown!128		return 0129	}130	c.Ui.Output(fmt.Sprintf("Caught signal: %v", sig))131	// Check if we should do a graceful leave132	graceful := false133	if sig == os.Interrupt {134		graceful = true135	} else if sig == syscall.SIGTERM {136		graceful = true137	}138	// Bail fast if not doing a graceful leave139	if !graceful {140		return 1141	}142	// Attempt a graceful leave143	gracefulCh := make(chan struct{})144	c.Ui.Output("Gracefully shutting down agent...")145	go func() {146		if err := agent.Shutdown(); err != nil {147			c.Ui.Error(fmt.Sprintf("Error: %s", err))148			return149		}150		close(gracefulCh)151	}()152	// Wait for leave or another signal153	select {154	case <-signalCh:155		return 1156	case <-time.After(gracefulTimeout):157		return 1158	case <-gracefulCh:159		return 0160	}161}162// setupLoggers is used to setup the logGate, logWriter, and our logOutput163func (c *Command) setupLoggers(config *Config) (*GatedWriter, *logWriter, io.Writer) {164	// Setup logging. First create the gated log writer, which will165	// store logs until we're ready to show them. Then create the level166	// filter, filtering logs of the specified level.167	logGate := &GatedWriter{168		Writer: &cli.UiWriter{Ui: c.Ui},169	}170	c.logFilter = LevelFilter()171	c.logFilter.MinLevel = logutils.LogLevel(strings.ToUpper(config.LogLevel))172	c.logFilter.Writer = logGate173	if !ValidateLevelFilter(c.logFilter.MinLevel, c.logFilter) {174		c.Ui.Error(fmt.Sprintf(175			"Invalid log level: %s. Valid log levels are: %v",176			c.logFilter.MinLevel, c.logFilter.Levels))177		return nil, nil, nil...

root.go

Source:root.go

...62	Long:          BannerColor.Sprintf("\n%s", consts.Banner),63	SilenceUsage:  true,64	SilenceErrors: true,65	PersistentPreRun: func(cmd *cobra.Command, args []string) {66		setupLoggers(logFmt)67		if noColor {68			stdout.Writer = colorable.NewNonColorable(os.Stdout)69			stderr.Writer = colorable.NewNonColorable(os.Stderr)70		}71		log.SetOutput(logrus.StandardLogger().Writer())72		logrus.Debugf("k6 version: v%s", consts.FullVersion())73	},74}75// Execute adds all child commands to the root command sets flags appropriately.76// This is called by main.main(). It only needs to happen once to the rootCmd.77func Execute() {78	if err := RootCmd.Execute(); err != nil {79		code := -180		var logger logrus.FieldLogger = logrus.StandardLogger()81		if e, ok := err.(ExitCode); ok {82			code = e.Code83			if e.Hint != "" {84				logger = logger.WithField("hint", e.Hint)85			}86		}87		logger.Error(err)88		os.Exit(code)89	}90}91func rootCmdPersistentFlagSet() *pflag.FlagSet {92	flags := pflag.NewFlagSet("", pflag.ContinueOnError)93	//TODO: figure out a better way to handle the CLI flags - global variables are not very testable... :/94	flags.BoolVarP(&verbose, "verbose", "v", false, "enable debug logging")95	flags.BoolVarP(&quiet, "quiet", "q", false, "disable progress updates")96	flags.BoolVar(&noColor, "no-color", false, "disable colored output")97	flags.StringVar(&logFmt, "logformat", "", "log output format")98	flags.StringVarP(&address, "address", "a", "localhost:6565", "address for the api server")99	//TODO: Fix... This default value needed, so both CLI flags and environment variables work100	flags.StringVarP(&configFilePath, "config", "c", configFilePath, "JSON config file")101	// And we also need to explicitly set the default value for the usage message here, so things102	// like `K6_CONFIG="blah" k6 run -h` don't produce a weird usage message103	flags.Lookup("config").DefValue = defaultConfigFilePath104	must(cobra.MarkFlagFilename(flags, "config"))105	return flags106}107func init() {108	confDir, err := configDir()109	if err != nil {110		logrus.WithError(err).Warn("could not get config directory")111		confDir = ".config"112	}113	defaultConfigFilePath = filepath.Join(114		confDir,115		"loadimpact",116		"k6",117		defaultConfigFileName,118	)119	RootCmd.PersistentFlags().AddFlagSet(rootCmdPersistentFlagSet())120}121// fprintf panics when where's an error writing to the supplied io.Writer122func fprintf(w io.Writer, format string, a ...interface{}) (n int) {123	n, err := fmt.Fprintf(w, format, a...)124	if err != nil {125		panic(err.Error())126	}127	return n128}129// RawFormatter it does nothing with the message just prints it130type RawFormater struct{}131// Format renders a single log entry132func (f RawFormater) Format(entry *logrus.Entry) ([]byte, error) {133	return append([]byte(entry.Message), '\n'), nil134}135func setupLoggers(logFmt string) {136	if verbose {137		logrus.SetLevel(logrus.DebugLevel)138	}139	logrus.SetOutput(stderr)140	switch logFmt {141	case "raw":142		logrus.SetFormatter(&RawFormater{})143		logrus.Debug("Logger format: RAW")144	case "json":145		logrus.SetFormatter(&logrus.JSONFormatter{})146		logrus.Debug("Logger format: JSON")147	default:148		logrus.SetFormatter(&logrus.TextFormatter{ForceColors: stderrTTY, DisableColors: noColor})149		logrus.Debug("Logger format: TEXT")...

redisService_test.go

Source:redisService_test.go

1package redisService2import (3	"encoding/json"4	"testing"5	"github.com/alicebob/miniredis/v2"6	"github.com/dylane1999/goChatApp/src/logger"7	"github.com/dylane1999/goChatApp/src/types"8	"github.com/go-redis/redis"9	"github.com/google/uuid"10	"github.com/stretchr/testify/assert"11)12func StartMockMiniRedis() {13	// setup mini redis client14	mr, err := miniredis.Run()15	if err != nil {16		panic(err)17	}18	// set redis client to the mini redis client19	RedisClient = redis.NewClient(&redis.Options{20		Addr: mr.Addr(),21	})22}23func TestRedisConnection(test *testing.T) {24	//start loggers25	logger.SetupLoggers()26	// setup mini redis connection27	StartMockMiniRedis()28	// ping and test redis connection29	var ping *redis.StatusCmd = RedisClient.Ping()30	connectionErr := ping.Err()31	assert.Nil(test, connectionErr, "connection to redis fails if error is not nil")32}33func TestStoreAndGetChatMessage(test *testing.T) {34	//start loggers35	logger.SetupLoggers()36	// setup mini redis37	StartMockMiniRedis()38	// use room id39	roomId := "testRoomID"40	expectedNumElements := 141	// clear redis42	RedisClient.FlushDB()43	// create msg to save44	msgToSave := types.ChatMessage{Username: "df", Text: "dff"}45	StoreChatMessageInRedis(roomId, msgToSave)46	chatMsgs, redisErr := GetAllMessagesFromChatRoom(roomId)47	assert.Nil(test, redisErr, "redis err should be nil")48	assert.Equal(test, expectedNumElements, len(chatMsgs))49	// turn json string back into message type50	var actualMsg types.ChatMessage51	json.Unmarshal([]byte(chatMsgs[0]), &actualMsg)52	// check that the msgs are equal53	assert.Equal(test, msgToSave, actualMsg, "check that the message and saved message are equal")54}55func TestGetAMessageThatDoesNotExist(test *testing.T) {56	//start loggers57	logger.SetupLoggers()58	// setup mini redis59	StartMockMiniRedis()60	roomId := "testRoomID"61	// clear redis62	RedisClient.FlushDB()63	// create msg to save64	chatMsgs, redisErr := GetAllMessagesFromChatRoom(roomId)65	assert.Nil(test, redisErr, "redis err should be nil")66	assert.Empty(test, chatMsgs, "there should be no messages under this room")67}68func TestCreateNewChatroom(test *testing.T) {69	//start loggers70	logger.SetupLoggers()71	// setup mini redis72	StartMockMiniRedis()73	// clear redis74	RedisClient.FlushDB()75	// push chat id76	chatId := uuid.New()77	AddToListOfChatrooms(chatId.String())78	validRooms, err := GetValidRooms()79	assert.Nil(test, err, "redis err should be nil")80	assert.Equal(test, 1, len(validRooms), "there should only be one valid room at this point")81	assert.Equal(test, chatId.String(), validRooms[0], "the room should be equal to the one added")82}...

setupLoggers

Using AI Code Generation

1cmd.setupLoggers()2cmd.setupLoggers()3cmd.setupLoggers()4cmd.setupLoggers()5cmd.setupLoggers()6cmd.setupLoggers()7cmd.setupLoggers()8cmd.setupLoggers()9cmd.setupLoggers()10cmd.setupLoggers()11cmd.setupLoggers()12cmd.setupLoggers()13cmd.setupLoggers()14cmd.setupLoggers()15cmd.setupLoggers()16cmd.setupLoggers()17cmd.setupLoggers()18cmd.setupLoggers()19cmd.setupLoggers()20cmd.setupLoggers()21cmd.setupLoggers()

setupLoggers

Using AI Code Generation

1import (2func main() {3	cmd := cmd.NewNetworkOperatorCommand()4	if err := cmd.Execute(); err != nil {5		os.Exit(1)6	}7}8import (9type NetworkOperatorCommand struct {10}11func NewNetworkOperatorCommand() *NetworkOperatorCommand {12	opt := controller.NewNetworkOperatorConfig()13	cmd := &cobra.Command{14		Run: func(cmd *cobra.Command, args []string) {15			cmd.Help()16			os.Exit(1)17		},18	}19	c := &NetworkOperatorCommand{20	}21	cmd.AddCommand(c.startCmd())22}23func (c *NetworkOperatorCommand) startCmd() *cobra.Command {24	cmd := &cobra.Command{25		Run: func(cmd *cobra.Command, args []string) {26			c.run()27		},28	}29	c.addFlags(cmd.Flags())30}

setupLoggers

Using AI Code Generation

1import (2func main() {3	cmd.SetupLoggers()4}5import (6var (7	InfoLogger    = logging.MustGetLogger("info")8	WarningLogger = logging.MustGetLogger("warning")9	ErrorLogger   = logging.MustGetLogger("error")10func SetupLoggers() {11	backend := logging.NewLogBackend(os.Stderr, "", 0)12	backendFormatter := logging.NewBackendFormatter(backend, logging.MustStringFormatter("%{color}%{time:15:04:05.000} %{level:.4s} %{shortpkg}/%{shortfile} %{shortfunc} ▶ %{color:reset}%{message}"))13	backendLevel := logging.AddModuleLevel(backendFormatter)14	backendLevel.SetLevel(logging.DEBUG, "")15	logging.SetBackend(backendLevel)16	currentDirectory, err := filepath.Abs(filepath.Dir(os.Args[0]))17	if err != nil {18		ErrorLogger.Fatal(err)19	}20	infoLogFile, err := os.OpenFile(currentDirectory+"/info.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)21	if err != nil {22		ErrorLogger.Fatal(err)23	}24	InfoLogger.SetBackend(logging.NewLogBackend(infoLogFile, "", 0))25	warningLogFile, err := os.OpenFile(currentDirectory+"/warning.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)26	if err != nil {27		ErrorLogger.Fatal(err)28	}29	WarningLogger.SetBackend(logging.NewLogBackend(warningLogFile, "", 0))30	errorLogFile, err := os.OpenFile(currentDirectory+"/error.log", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)31	if err != nil {32		ErrorLogger.Fatal(err)33	}34	ErrorLogger.SetBackend(logging.NewLogBackend(errorLogFile, "", 0))35	InfoLogger.Info("Logging initialized")36}37import (38func TestSetupLoggers(t *testing.T)

setupLoggers

Using AI Code Generation

1import (2func main() {3	cmd.SetupLoggers()4}5import (6func main() {7	cmd.Info.Println("This is info log")8	cmd.Error.Println("This is error log")9}10import (11func main() {12	cmd.SetupLoggers()13}14import (15func main() {16	cmd.Info.Println("This is info log")17	cmd.Error.Println("This is error log")18}19import (20func main() {21	cmd.SetupLoggers()22}23import (24func main() {25	cmd.Info.Println("This is info log")26	cmd.Error.Println("This is error log")27}

setupLoggers

Using AI Code Generation

1import (2func main() {3cmd.SetupLoggers()4log.Println("Hello World")5}6import (7func SetupLoggers() {8log.SetOutput(pkg.GetLogger("cmd"))9log.SetFlags(log.LstdFlags | log.Lshortfile)10log.SetPrefix("cmd: ")11}12import (13func GetLogger(name string) io.Writer {14f, err := os.OpenFile(name+".log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)15if err != nil {16panic(err)17}18}19import (20func TestGetLogger(t *testing.T) {21log.SetOutput(GetLogger("pkg"))22log.SetFlags(log.LstdFlags | log.Lshortfile)23log.SetPrefix("pkg: ")24log.Println("Hello World")25f, err := os.Open("pkg.log")26if err != nil {27t.Errorf("Error in opening file")28}29defer f.Close()30b, err := ioutil.ReadAll(f)31if err != nil {32t.Errorf("Error in reading file")33}34if string(b) != "pkg: 1.go:14: Hello World35" {36t.Errorf("Error in logging")37}38os.Remove("pkg.log")39}40import (41func TestSetupLoggers(t *testing.T) {42SetupLoggers()43log.Println("Hello World")44f, err := os.Open("cmd.log")45if err != nil {46t.Errorf("Error in opening file")47}48defer f.Close()49b, err := ioutil.ReadAll(f)50if err != nil {51t.Errorf("Error in reading file")52}53if string(b) != "cmd: 1.go:14: Hello World54" {55t.Errorf("Error in logging")56}57os.Remove("cmd.log")58}

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