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How to use init method of log Package

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

init

Using AI Code Generation

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

init

Using AI Code Generation

1import (2func main() {3    log.SetFlags(log.LstdFlags | log.Lshortfile)4    log.Println("Hello, log file!")5    log.Println("Hello, log file!")6    log.Println("Hello, log file!")7}8func Fatal(v ...interface{})9func Fatalf(format string, v ...interface{})10func Fatalln(v ...interface{})11func Flags() int12func Output(calldepth int, s string) error13func Panic(v ...interface{})14func Panicf(format string, v ...interface{})15func Panicln(v ...interface{})16func Prefix() string17func Print(v ...interface{})18func Printf(format string, v ...interface{})19func Println(v ...interface{})20func SetFlags(flag int)21func SetOutput(w io.Writer)22func SetPrefix(prefix string)23const (

init

Using AI Code Generation

1import (2func main() {3    log.Println("This is a log message")4}5import (6func main() {7    log.Println("This is a log message")8    log.Printf("This is a %s message", "log")9    log.Print("This is a log message")10    log.Fatal("This is a log message")11}12Let’s see the Fatal() method in action:13import (14func main() {15    log.Fatal("This is a log message")16}

init

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.Println("Hello World!")12}13import (14func main() {15  log.Println("Hello World!")16}17import (18func main() {19  log.Println("Hello World!")20}21import (22func main() {23  log.Println("Hello World!")24}25import (26func main() {27  log.Println("Hello World!")28}29import (30func main() {31  log.Println("Hello World!")32}33import (34func main() {35  log.Println("

init

Using AI Code Generation

1func main() {2    log.Print("Hello World")3}4Recommended Posts: Go | init() method5Go | init() method in Golang6Go | init() method in Golang

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