How to use init method of log Package

Best Syzkaller code snippet using log.init

main.go

Source:main.go

...26)27func main() {28	config := config.Init(os.Getenv("APP_ENV"))29	fmt.Println(config)30	saleRecordDB := initDB(config.Database.SaleRecord.Driver, config.Database.SaleRecord.Connection)31	orderDB := initDB(config.Database.Order.Driver, config.Database.Order.Connection)32	mslv2ReadonlyDB := initDB(config.Database.Mslv2Readonly.Driver, config.Database.Mslv2Readonly.Connection)33	defer saleRecordDB.Close()34	defer orderDB.Close()35	defer mslv2ReadonlyDB.Close()36	if err := customer.InitDB(saleRecordDB); err != nil {37		log.Fatal(err)38	}39	if err := promotion.InitDB(saleRecordDB); err != nil {40		log.Fatal(err)41	}42	if err := salePerson.InitDB(saleRecordDB); err != nil {43		log.Fatal(err)44	}45	if err := saleRecordFee.InitDB(saleRecordDB); err != nil {46		log.Fatal(err)47	}48	if err := postprocess.InitDB(saleRecordDB); err != nil {49		log.Fatal(err)50	}51	if err := payamt.InitDB(saleRecordDB); err != nil {52		log.Fatal(err)53	}54	if err := adapters.NewConsumers(config.ServiceName, config.EventKafka,55		eventconsume.Recover(),56		eventconsume.BehaviorLogger(config.ServiceName, config.BehaviorLog.Kafka),57		eventconsume.ContextDBWithName(config.ServiceName, factory.SaleRecordDBContextName, saleRecordDB, config.Database.Logger.Kafka),58		eventconsume.ContextDBWithName(config.ServiceName, factory.OrderDBContextName, orderDB, config.Database.Logger.Kafka),59		eventconsume.ContextDBWithName(config.ServiceName, factory.Mslv2ReadonlyDBContextName, mslv2ReadonlyDB, config.Database.Logger.Kafka),60		// eventconsume.UserClaimMiddleware(),61	); err != nil {62		log.Fatal(err)63	}64	e := echo.New()65	r := echoswagger.New(e, "docs", &echoswagger.Info{66		Title:       "Sale Record Postprocess API",67		Description: "This is docs for sale-record-postprocess-api service",68		Version:     "1.0.0",69	})70	r.AddSecurityAPIKey("Authorization", "JWT token", echoswagger.SecurityInHeader)71	r.SetUI(echoswagger.UISetting{72		HideTop: true,73	})74	controllers.SaleRecordEventController{}.Init(r.Group("SaleRecordEvent", "/v1/saleRecord-events"))75	controllers.PromotionEventController{}.Init(r.Group("PromotionEvent", "/v1/promotion-event"))76	controllers.SaleRecordInfoController{}.Init(r.Group("SaleRecordInfo", "/v1/sale-record-info"))77	salePerson.SalesPersonEventHandler{}.Init(r.Group("SalesPerson", "/v1/sales-person"))78	controllers.ProcessLogController{}.Init(r.Group("ProcessLog", "/v1/process-log"))79	e.GET("/ping", func(c echo.Context) error {80		return c.String(http.StatusOK, "pong")81	})82	e.Pre(middleware.RemoveTrailingSlash())83	e.Pre(echomiddleware.ContextBase())84	e.Use(middleware.Recover())85	e.Use(middleware.CORS())86	e.Use(echomiddleware.ContextLogger())87	e.Use(echomiddleware.ContextDBWithName(config.ServiceName, echomiddleware.ContextDBType(factory.SaleRecordDBContextName), saleRecordDB, echomiddleware.KafkaConfig(config.Database.Logger.Kafka)))88	e.Use(echomiddleware.ContextDBWithName(config.ServiceName, echomiddleware.ContextDBType(factory.Mslv2ReadonlyDBContextName), mslv2ReadonlyDB, echomiddleware.KafkaConfig(config.Database.Logger.Kafka)))89	e.Use(echomiddleware.BehaviorLogger(config.ServiceName, config.BehaviorLog.Kafka))90	e.Use(auth.UserClaimMiddleware("/ping", "/docs"))91	if err := e.Start(":8000"); err != nil {92		log.Println(err)93	}94}95func initDB(driver, connection string) *xorm.Engine {96	db, err := xorm.NewEngine(driver, connection)97	if err != nil {98		panic(err)99	}100	if os.Getenv("APP_ENV") != "production" {101		db.ShowSQL(true)102	}103	db.SetMaxIdleConns(5)104	db.SetMaxOpenConns(20)105	db.SetConnMaxLifetime(time.Minute * 10)106	return db107}...

command.go

Source:command.go

...18	KlientLog         bool19	KdLogLocation     string20	KlientLogLocation string21}22// Init contains various instances required for a Command instance to be initialized.23type Init struct {24	Stdout io.Writer25	Log    logging.Logger26	// The ctlcli Helper. See the type docs for a better understanding of this.27	Helper ctlcli.Helper28}29func (i Init) CheckValid() error {30	if i.Stdout == nil {31		return errors.New("MissingArgument: Stdout")32	}33	if i.Log == nil {34		return errors.New("MissingArgument: Log")35	}36	if i.Helper == nil {37		return errors.New("MissingArgument: Helper")38	}39	return nil40}41// Command implements the klientctl.Command interface for `kd sync`42type Command struct {43	// Embedded Init gives us our Klient/etc instances.44	Init45	Options Options46	Stdout  io.Writer47}48func NewCommand(i Init, o Options) (*Command, error) {49	if err := i.CheckValid(); err != nil {50		return nil, err51	}52	if o.Debug {53		i.Log.SetLevel(logging.DEBUG)54	}55	c := &Command{56		Init:    i,57		Options: o,58		// Override the init stdout writer with an Fprint writer59		Stdout: i.Stdout,60	}61	return c, nil62}63// Help prints help to the caller.64func (c *Command) Help() {65	c.Helper(c.Stdout)66}67func (c *Command) Run() (int, error) {68	if err := c.handleOptions(); err != nil {69		return 1, err70	}71	if err := c.tailLogs(); err != nil {72		return 2, err...

log.go

Source:log.go

...22	// Error is a log handler for error level logs23	Error     *log.Logger24	logExists bool25)26// InitLog initiates logging handlers27func InitLog(28	traceHandle io.Writer,29	debugHandle io.Writer,30	infoHandle io.Writer,31	auditHandle io.Writer,32	warningHandle io.Writer,33	errorHandle io.Writer) {34	if !logExists {35		Trace = log.New(traceHandle,36			"TRACE   ",37			log.Ldate|log.Ltime|log.Lshortfile)38		Debug = log.New(debugHandle,39			"DEBUG   ",40			log.Ldate|log.Ltime|log.Lshortfile)41		Info = log.New(infoHandle,42			"INFO    ",43			log.Ldate|log.Ltime)44		// This level is the one suggested to use when running scientific workflows, to retain audit45		// information46		Audit = log.New(auditHandle,47			"AUDIT   ",48			log.Ldate|log.Ltime)49		Warning = log.New(warningHandle,50			"WARNING ",51			log.Ldate|log.Ltime)52		Error = log.New(errorHandle,53			"ERROR   ",54			log.Ldate|log.Ltime)55		logExists = true56	}57}58// InitLogDebug initiates logging with level=DEBUG59func InitLogDebug() {60	InitLog(61		ioutil.Discard,62		os.Stdout,63		os.Stdout,64		os.Stdout,65		os.Stdout,66		os.Stderr,67	)68}69// InitLogInfo initiates logging with level=INFO70func InitLogInfo() {71	InitLog(72		ioutil.Discard,73		ioutil.Discard,74		os.Stdout,75		os.Stdout,76		os.Stdout,77		os.Stderr,78	)79}80// InitLogAudit initiate logging with level=AUDIT81func InitLogAudit() {82	InitLog(83		ioutil.Discard,84		ioutil.Discard,85		ioutil.Discard,86		os.Stdout,87		os.Stdout,88		os.Stderr,89	)90}91// InitLogAuditToFile initiate logging with level=AUDIT, and write that to92// fileName93func InitLogAuditToFile(filePath string) {94	dir := filepath.Dir(filePath)95	err := os.MkdirAll(dir, 0777)96	if err != nil {97		fmt.Println("Could not create directory: " + dir + " " + err.Error())98	}99	logFile, err := os.Create(filePath)100	if err != nil {101		fmt.Println("Could not create log file: " + filePath + " " + err.Error())102	}103	multiWrite := io.MultiWriter(os.Stdout, logFile)104	InitLog(105		ioutil.Discard,106		ioutil.Discard,107		ioutil.Discard,108		multiWrite,109		multiWrite,110		multiWrite,111	)112}113// InitLogWarning initiates logging with level=WARNING114func InitLogWarning() {115	InitLog(116		ioutil.Discard,117		ioutil.Discard,118		ioutil.Discard,119		ioutil.Discard,120		os.Stdout,121		os.Stderr,122	)123}124// InitLogError initiates logging with level=ERROR125func InitLogError() {126	InitLog(127		ioutil.Discard,128		ioutil.Discard,129		ioutil.Discard,130		ioutil.Discard,131		ioutil.Discard,132		os.Stderr,133	)134}...

init

Using AI Code Generation

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

init

Using AI Code Generation

1import (2func init() {3	log.Println("init called")4}5func main() {6	log.Println("main called")7	fmt.Println("Hello world")8}9import (10func init() {11	log.Println("init called")12}13func main() {14	log.Println("main called")15	fmt.Println("Hello world")16}17import (18func init() {19	log.Println("init called")20}21func main() {22	log.Println("main called")23	fmt.Println("Hello world")24}25import (26func init() {27	log.Println("init called")28}29func main() {30	log.Println("main called")31	fmt.Println("Hello world")32}33import (34func init() {35	log.Println("init called")36}37func main() {38	log.Println("main called")39	fmt.Println("Hello world")40}41import (42func init() {43	log.Println("init called")44}45func main() {46	log.Println("main called")47	fmt.Println("Hello world")48}49import (50func init() {51	log.Println("init called")52}53func main() {54	log.Println("main called")55	fmt.Println("Hello world")56}57import (58func init() {59	log.Println("init called")60}61func main() {62	log.Println("main called")63	fmt.Println("Hello world")64}65import (66func init() {67	log.Println("init called")68}69func main() {70	log.Println("main called")71	fmt.Println("Hello world")72}

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