+ config: Added in lumberjack to handle rolling logs. Added more config properties around new log feature.

Reset logger max file size config. Fix #1573.

Remove verbose from default config.

home/home.go

@@ -6,6 +6,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
+	"gopkg.in/natefinch/lumberjack.v2"
 	"io"
 	"io/ioutil"
 	"net"
@@ -396,13 +397,22 @@ func configureLogger(args options) {
 	ls := getLogSettings()
 
 	// command-line arguments can override config settings
-	if args.verbose {
+	if args.verbose || config.Verbose {
 		ls.Verbose = true
 	}
 	if args.logFile != "" {
 		ls.LogFile = args.logFile
+	} else if config.LogFile != "" {
+		ls.LogFile = config.LogFile
 	}
 
+	// Handle default log settings overrides
+	ls.LogCompress = config.LogCompress
+	ls.LogLocalTime = config.LogLocalTime
+	ls.LogMaxBackups = config.LogMaxBackups
+	ls.LogMaxSize = config.LogMaxSize
+	ls.LogMaxAge = config.LogMaxAge
+
 	// log.SetLevel(log.INFO) - default
 	if ls.Verbose {
 		log.SetLevel(log.DEBUG)
@@ -414,6 +424,7 @@ func configureLogger(args options) {
 		ls.LogFile = configSyslog
 	}
 
+	// logs are written to stdout (default)
 	if ls.LogFile == "" {
 		return
 	}
@@ -430,11 +441,19 @@ func configureLogger(args options) {
 			logFilePath = ls.LogFile
 		}
 
-		file, err := os.OpenFile(logFilePath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
+		_, err := os.OpenFile(logFilePath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
 		if err != nil {
 			log.Fatalf("cannot create a log file: %s", err)
 		}
-		log.SetOutput(file)
+
+		log.SetOutput(&lumberjack.Logger{
+			Filename:   logFilePath,
+			Compress:   ls.LogCompress, // disabled by default
+			LocalTime:  ls.LogLocalTime,
+			MaxBackups: ls.LogMaxBackups,
+			MaxSize:    ls.LogMaxSize, // megabytes
+			MaxAge:     ls.LogMaxAge,  //days
+		})
 	}
 }