initial commit

pkg/log/log.go

@@ -0,0 +1,59 @@
+// Copyright (C) 2019 Marius Schellenberger
+
+package log
+
+import (
+	"git.giftfish.de/ston1th/docstore/pkg/core"
+	"git.giftfish.de/ston1th/godrop/v2"
+	stdlog "log"
+	"os"
+	"path/filepath"
+)
+
+var (
+	log   = stdlog.New(os.Stdout, "", stdlog.LstdFlags)
+	debug = false
+)
+
+func InitLogger(cfg core.Config) {
+	debug = cfg.Debug
+	if cfg.LogFile == "-" {
+		return
+	}
+	logfile := filepath.Join(cfg.DataDir, cfg.LogFile)
+	err := godrop.Unveil(logfile, "rwc")
+	if err != nil {
+		stdlog.Fatal(err)
+		return
+	}
+	f, err := os.OpenFile(logfile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0640)
+	if err != nil {
+		stdlog.Fatal(err)
+	}
+	stdlog.SetOutput(f)
+	log = stdlog.New(f, "", stdlog.LstdFlags)
+}
+
+func Println(v ...interface{}) {
+	log.Println(v...)
+}
+
+func Printf(fmt string, v ...interface{}) {
+	log.Printf(fmt, v...)
+}
+
+func Fatal(v ...interface{}) {
+	log.Fatal(v...)
+}
+
+func Debug(v ...interface{}) {
+	if debug {
+		log.Println(append([]interface{}{"debug:"}, v...)...)
+	}
+}
+
+func Debugf(fmt string, v ...interface{}) {
+	if debug {
+		log.Printf("debug: "+fmt, v...)
+	}
+}