New logging system (#319)

* First pass at adding new logging system

* NewLogger

* NewLogger

* WIP

* silly bug fix

* :D removed files

* removed old logging interface

* added tests

* added tests

* Started to add new lines to all f calls

* Added subsystem log types

* Logger improvements

* Further performance improvements

* changes to logger and sublogger creation

* Renamed Logging types

* removed old print statement

* changes based on feedback

* moved sublogger types to own file

* :)

* added console as output type

* added get level command

* added get/set log level via grpc command

* added check for output being empty for migration support

* first pass at log rotation

* added log rotation

* :D derp fixed

* added tests

* changes based on feedback

* changed log type

* comments

* renamed file -> fileSettings

* typo fix

* changes based on feedback

* gofmt ran on additional files

* gofmt ran on additional files

cmd/gctcli/commands.go

@@ -1948,3 +1948,104 @@ var withdrawFiatFundsCommand = cli.Command{
 func withdrawFiatFunds(_ *cli.Context) error {
 	return common.ErrNotYetImplemented
 }
+
+var getLoggerDetailsCommand = cli.Command{
+	Name:   "getloggerdetails",
+	Action: getLoggerDetails,
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "logger",
+			Usage: "logger to get level details of",
+		},
+	},
+}
+
+func getLoggerDetails(c *cli.Context) error {
+	if c.NArg() == 0 && c.NumFlags() == 0 {
+		cli.ShowCommandHelp(c, "getloggerdetails")
+		return nil
+	}
+
+	var logger string
+	if c.IsSet("logger") {
+		logger = c.String("logger")
+	} else {
+		logger = c.Args().First()
+	}
+
+	conn, err := setupClient()
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	client := gctrpc.NewGoCryptoTraderClient(conn)
+
+	result, err := client.GetLoggerDetails(context.Background(),
+		&gctrpc.GetLoggerDetailsRequest{
+			Logger: logger,
+		},
+	)
+	if err != nil {
+		return err
+	}
+	jsonOutput(result)
+	return nil
+}
+
+var setLoggerDetailsCommand = cli.Command{
+	Name:   "setloggerdetails",
+	Action: setLoggerDetails,
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "logger",
+			Usage: "logger to get level details of",
+		},
+		cli.StringFlag{
+			Name:  "flags",
+			Usage: "pipe separated value of loggers e.g INFO|WARN",
+		},
+	},
+}
+
+func setLoggerDetails(c *cli.Context) error {
+	if c.NArg() == 0 && c.NumFlags() == 0 {
+		cli.ShowCommandHelp(c, "setloggerdetails")
+		return nil
+	}
+
+	var logger string
+	var level string
+
+	if c.IsSet("logger") {
+		logger = c.String("logger")
+	} else {
+		logger = c.Args().First()
+	}
+
+	if c.IsSet("level") {
+		level = c.String("level")
+	} else {
+		level = c.Args().Get(1)
+	}
+
+	conn, err := setupClient()
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	client := gctrpc.NewGoCryptoTraderClient(conn)
+
+	result, err := client.SetLoggerDetails(context.Background(),
+		&gctrpc.SetLoggerDetailsRequest{
+			Logger: logger,
+			Level:  level,
+		},
+	)
+	if err != nil {
+		return err
+	}
+	jsonOutput(result)
+	return nil
+}

cmd/gctcli/main.go

@@ -122,6 +122,8 @@ func main() {
 		getCryptocurrencyDepositAddressCommand,
 		withdrawCryptocurrencyFundsCommand,
 		withdrawFiatFundsCommand,
+		getLoggerDetailsCommand,
+		setLoggerDetailsCommand,
 	}
 
 	err := app.Run(os.Args)