How to use Initialize method of logger Package

Best Gauge code snippet using logger.Initialize

rubban.go

Source:rubban.go

...26func New() *Rubban {27	rootCtx, cancel := context.WithCancel(context.Background())28	return &Rubban{mainCtx: rootCtx, cancel: cancel, logger: log.Default()}29}30var errFailedToInitialize = fmt.Errorf("failed to Initialize application")31//Initialize Initialize Application after Loading Configuration32func (r *Rubban) Initialize() error {33	var err error34	// Load config35	r.config, err = config.Load("Rubban")36	if err != nil {37		r.logger.Fatalw("Failed to load configuration.", "error", err)38		os.Exit(1)39	}40	// Init logger41	r.logger = log.NewZapLoggerImpl("Rubban", r.config.Logging)42	r.logger.Info("Successfully Loaded Configuration")43	// Create scheduler44	r.scheduler = *newScheduler(r.mainCtx, r.logger.Extend("scheduler"))45	// Init Kibana API client46	err = r.initKibanaClient(r.mainCtx)47	if err != nil {48		r.logger.Fatalw("Failed to initialize Kibana API", "error", err)49	}50	// Init Tasks51	r.initTasks()52	// Register Tasks53	err = r.registerTasks()54	if err != nil {55		r.logger.Fatalw("Failed to initialize scheduler", "error", err)56	}57	return nil58}59//Start Start Rubban60func (r *Rubban) Start() {61	r.logger.Infof("Starting Rubban...")62	// Start scheduler63	r.scheduler.Start()64}65//Stop Rubban (Will wait for everything to finish)66func (r *Rubban) Stop() {67	r.logger.Infof("Rubban is Stopping...")68	// Cancel Main Context69	r.cancel()70	// Stop and Wait for all running jobs to finish71	r.scheduler.Stop()72	r.logger.Infof("Stopped.")73	r.logger.Infof("Goodbye <3")74}75func (r *Rubban) initTasks() {76	if r.config.AutoIndexPattern.Enabled {77		r.autoIndexPattern = *autoindexpattern.NewAutoIndexPattern(r.config.AutoIndexPattern, r.api, r.logger.Extend("autoIndexPattern"))78		r.logger.Infof("Enabled %s, Loaded %d General Pattern(s)", r.autoIndexPattern.Name(), len(r.autoIndexPattern.GeneralPatterns))79	}80	if r.config.RefreshIndexPattern.Enabled {81		r.refreshIndexPattern = *refreshindexpattern.NewRefreshIndexPattern(r.config.RefreshIndexPattern, r.api, r.logger.Extend("refreshIndexPattern"))82		r.logger.Infof("Enabled %s, Refreshing %d Pattern(s)", r.refreshIndexPattern.Name(), len(r.refreshIndexPattern.Patterns))83	}84	// ... Init Other Tasks in future85}86func (r *Rubban) registerTasks() error {87	// Register Auto Index Pattern88	if r.config.AutoIndexPattern.Enabled {89		err := r.scheduler.Register(r.config.AutoIndexPattern.Schedule, &r.autoIndexPattern)90		if err != nil {91			return fmt.Errorf("failed to register task, error: %s", err.Error())92		}93	}94	if r.config.RefreshIndexPattern.Enabled {95		err := r.scheduler.Register(r.config.RefreshIndexPattern.Schedule, &r.refreshIndexPattern)96		if err != nil {97			return fmt.Errorf("failed to register task, error: %s", err.Error())98		}99	}100	// ... Register Other Tasks in future101	return nil102}103func (r *Rubban) initKibanaClient(ctx context.Context) error {104	r.logger.Info("Initializing Kibana API client...")105	genAPI, err := kibana.NewAPIGen(r.config.Kibana, r.logger.Extend("api"))106	if err != nil {107		r.logger.Fatalw("Could not Initialize Kibana API client", "error", err.Error())108		return errFailedToInitialize109	}110	// Validate Connection to General API (Not versioned yet as we don't have version)111	if err = genAPI.Validate(ctx); err != nil {112		r.logger.Fatalw("Cannot Initialize Rubban without an Initial Connection to Kibana API", "error", err.Error())113		return errFailedToInitialize114	}115	r.logger.Info("Validated Initial Connection to Kibana API")116	// Get Kibana Version (To Determine which set of APIs to use later)117	r.semVer, err = genAPI.GuessVersion(ctx)118	if err != nil {119		r.logger.Fatalw("Couldn't determine kibana version", "error", err.Error())120		return errFailedToInitialize121	}122	r.logger.Infow(fmt.Sprintf("Determined Kibana Version: %s", r.semVer.String()))123	// Determine API124	ver7, _ := semver.NewVersion("7.0.0")125	if r.semVer.GreaterThan(ver7) || r.semVer.Equal(ver7) {126		r.api, err = kibana.NewAPIVer7(r.config.Kibana, r.logger)127		if err != nil {128			r.logger.Fatalw("Could not Initialize Kibana API client", "error", err.Error())129			return errFailedToInitialize130		}131	} else {132		r.logger.Fatalf("Version %s is not Supported", r.semVer.String())133		return errFailedToInitialize134	}135	return nil136}...

main.go

Source:main.go

...31			// Log error32			logger.Error("Panic in main", zap.Any("panic", recErr))33		}34	}()35	// Initialize signals36	interruptCh := make(chan os.Signal, 1)37	signal.Notify(interruptCh, syscall.SIGINT, syscall.SIGTERM)38	logger.Info("Start service", zap.String("git_version", GitVersion))39	vars := server.LoadConfig(logger)40	dbClient := initializeDB(logger, vars)41	globals := initializeGlobals(logger, dbClient)42	accountManager := account.NewAccountManager(globals)43	server := initializeHTTP(vars, globals, accountManager)44	waitShutdown(interruptCh, logger, dbClient, server)45}46// initializeLogger initialized logger47func initializeLogger() *zap.Logger {48	config := zap.NewProductionConfig()49	config.DisableCaller = true50	config.DisableStacktrace = true51	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder52	logger, err := config.Build()53	if err != nil {54		log.Fatal("Initialize logger failed", err)55	}56	return logger57}58// initializeDB initializes DB59func initializeDB(logger *zap.Logger, vars server.Vars) service.PostgresClient {60	client, err := postgres.NewPostgresClient(logger, vars)61	if err != nil {62		logger.Fatal("DB initialization failed", zap.Error(err))63		return nil64	}65	logger.Info("DB initialized")66	return client67}68// initializeGlobals initialize globals...

logger_test.go

Source:logger_test.go

...6	// other7	"github.com/stretchr/testify/require"8)9func TestInternalsLoggerInitialization(t *testing.T) {10	Initialize()11	// zerolog.Logger's thing (Logger) isn't a pointer, so we set another12	// boolean variable to determine that logger was initialized.13	require.True(t, loggerInitialized)14}15func TestInternalsLoggerInitializationWithDebugLoggingLevel(t *testing.T) {16	os.Setenv("LOGGER_LEVEL", "DeBuG")17	Initialize()18	require.True(t, loggerInitialized)19	Logger.Debug().Msg("Debug level test. Message should be visible.")20}21func TestInternalsLoggerInitializationWithInfoLoggingLevel(t *testing.T) {22	os.Setenv("LOGGER_LEVEL", "iNFo")23	Initialize()24	require.True(t, loggerInitialized)25	Logger.Info().Msg("Info level test. Message should be visible.")26}27func TestInternalsLoggerInitializationWithWarnLoggingLevel(t *testing.T) {28	os.Setenv("LOGGER_LEVEL", "WarN")29	Initialize()30	require.True(t, loggerInitialized)31	Logger.Warn().Msg("Warn level test. Message should be visible.")32}33func TestInternalsLoggerInitializationWithErrorLoggingLevel(t *testing.T) {34	os.Setenv("LOGGER_LEVEL", "eRRoR")35	Initialize()36	require.True(t, loggerInitialized)37	Logger.Error().Msg("Error level test. Message should be visible.")38}39func TestInternalsLoggerInitializationWithFatalLoggingLevel(t *testing.T) {40	os.Setenv("LOGGER_LEVEL", "FATAL")41	Initialize()42	require.True(t, loggerInitialized)43	// Calling Logger.Fatal() will also call os.Exit() after message44	// printing, won't test here.45}46func TestInternalsLoggerInitializationWithInvalidLoggerLevel(t *testing.T) {47	os.Setenv("LOGGER_LEVEL", "bad")48	Initialize()49	require.True(t, loggerInitialized)50}...

Initialize

Using AI Code Generation

1import (2func main() {3	f, err := os.Create("log.txt")4	if err != nil {5		log.Fatal(err)6	}7	defer f.Close()8	log.SetOutput(f)9	log.Println("Hello, log file!")10}

Initialize

Using AI Code Generation

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

Initialize

Using AI Code Generation

1import (2func main() {3    logrus.Initialize()4    logrus.Info("Hello World")5}6import (7func main() {8    logrus.Initialize()9    logrus.Info("Hello World")10    logrus.Debug("Hello World")11    logrus.Warn("Hello World")12    logrus.Error("Hello World")13    logrus.Fatal("Hello World")14    logrus.Panic("Hello World")15}16github.com/sirupsen/logrus.Panic(0xc0000b9e78, 0x1, 0x1)17main.main()18import (19func main() {20    logrus.Initialize()21    logrus.Info("Hello World")22    logrus.Debug("Hello World")23    logrus.Warn("Hello World")24    logrus.Error("Hello World")25    logrus.Fatal("Hello World")26}27import (28func main() {29    logrus.Initialize()30    logrus.Info("Hello World")31    logrus.Debug("

Initialize

Using AI Code Generation

1import (2var (3func init() {4	file, err := os.OpenFile("log.txt", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)5	if err != nil {6		log.Fatalln("Failed to open log file:", err)7	}8	Info = log.New(file, "INFO: ", log.Ldate|log.Ltime|log.Lshortfile)9	Warning = log.New(file, "WARNING: ", log.Ldate|log.Ltime|log.Lshortfile)10	Error = log.New(file, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)11}12func main() {13	Info.Println("Info message")14	Warning.Println("Warning message")15	Error.Println("Error message")16}

Initialize

Using AI Code Generation

1import (2func main() {3	logger.Initialize("mylogfile.log")4	logger.Log("Hello World")5}6import (7func main() {8	logger.Initialize("mylogfile.log")9	logger.Log("Hello World")10}11./1.go:5:2: imported and not used: "logger"12./2.go:5:2: imported and not used: "logger"

Initialize

Using AI Code Generation

1import (2func main() {3	l := logger.NewLogger()4	l.Log("Hello World")5	fmt.Println("Done")6}7import (8type Logger struct {9}10func NewLogger() *Logger {11	return &Logger{}12}13func (l *Logger) Initialize() error {14	file, err := os.Create("log.txt")15	if err != nil {16	}17}18func (l *Logger) Log(msg string) error {19	_, err := l.file.Write([]byte(msg))20	if err != nil {21	}22}23func (l *Logger) Close() {24	l.file.Close()25}26import (27func TestNewLogger(t *testing.T) {28	l := NewLogger()29	err := l.Initialize()30	if err != nil {31		t.Fatal(err)32	}33	defer l.Close()34	l.Log("Hello World")35	fmt.Println("Done")36}

Initialize

Using AI Code Generation

1import (2type Logger struct {3}4func (l *Logger) Initialize() {5	l.file, err = os.Create("log.txt")6	if err != nil {7		panic(err)8	}9}10func (l *Logger) Log(message string) {11	fmt.Fprintln(l.file, message)12}13func (l *Logger) Close() {14	l.file.Close()15}16func main() {17	logger := new(Logger)18	logger.Initialize()19	logger.Log("This is a log message")20	logger.Close()21}22import (23type Logger struct {24}25func NewLogger() *Logger {26	return &Logger{}27}28func (l *Logger) Initialize() {29	l.file, err = os.Create("log.txt")30	if err != nil {31		panic(err)32	}33}34func (l *Logger) Log(message string) {35	fmt.Fprintln(l.file, message)36}37func (l *Logger) Close() {38	l.file.Close()39}40func main() {41	logger := NewLogger()42	logger.Initialize()43	logger.Log("This is a log message")44	logger.Close()45}46import (47type Logger struct {48}49func NewLogger() *Logger {50	return &Logger{}51}52func (l *Logger) Initialize() {53	l.file, err = os.Create("log.txt")54	if err != nil {55		panic(err)56	}57}58func (l *Logger) Log(message string) {59	fmt.Fprintln(l.file, message)60}61func (l *Logger) Close() {62	l.file.Close()63}64func NewLoggerFactory() *Logger {65	logger := NewLogger()66	logger.Initialize()67}68func main() {69	logger := NewLoggerFactory()70	logger.Log("This is a log message")71	logger.Close()72}73import (

Initialize

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello World")4    logger.Initialize("test.log")5    logger.Log("This is a test log")6}7import (8type Logger struct {9}10func (l *Logger) Initialize(filename string) {11    l.file, _ = os.OpenFile(filename, os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)12    l.logger = log.New(l.file, "", log.LstdFlags)13}14func (l *Logger) Log(msg string) {15    l.logger.Println(msg)16}17func Initialize(filename string) {18    logger := Logger{}19    logger.Initialize(filename)20    logger.Log("This is a test log")21}

Initialize

Using AI Code Generation

1import (2func main() {3    log.Println("Hello World")4}5import (6func main() {7    log.Println("Hello World")8}9import (10func main() {11    log.Print("Hello World")12}

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