126 lines
2.1 KiB
Go
126 lines
2.1 KiB
Go
package main
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import (
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"time"
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)
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//Zardozlogfile defines the log structure
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type Zardozlogfile struct {
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filename string
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logfile *os.File
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active bool
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}
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//VSlogfile is the logger we use
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var VSlogfile Zardozlogfile
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func init() {
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verbose := os.Getenv("DEBUG")
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log.Println("Verbose mode on: ", verbose)
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DebugLog = (verbose == "true")
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log.Println("DebugLog: ", DebugLog)
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log.Println("Starting Log Engine")
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// just the first time
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var currentFolder = Hpwd()
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os.MkdirAll(filepath.Join(currentFolder, "logs"), 0755)
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//
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VSlogfile.active = DebugLog
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VSlogfile.SetLogFolder()
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go VSlogfile.RotateLogFolder()
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}
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//RotateLogFolder rotates the log folder
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func (lf *Zardozlogfile) RotateLogFolder() {
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for {
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time.Sleep(1 * time.Hour)
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if lf.logfile != nil {
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err := lf.logfile.Close()
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log.Println("[TOOLS][LOG] close logfile returned: ", err)
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}
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lf.SetLogFolder()
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}
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}
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//SetLogFolder sets the log folder
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func (lf *Zardozlogfile) SetLogFolder() {
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if DebugLog {
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lf.EnableLog()
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} else {
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lf.DisableLog()
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}
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if lf.active {
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const layout = "2006-01-02.15"
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orario := time.Now().UTC()
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var currentFolder = Hpwd()
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lf.filename = filepath.Join(currentFolder, "logs", "Zardoz."+orario.Format(layout)+"00.log")
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lf.logfile, _ = os.Create(lf.filename)
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log.Println("[TOOLS][LOG] Logfile is: " + lf.filename)
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log.SetOutput(lf.logfile)
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// log.SetFlags(log.LstdFlags | log.Lshortfile | log.LUTC)
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log.SetFlags(log.LstdFlags | log.LUTC)
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} else {
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log.SetOutput(ioutil.Discard)
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}
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}
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//EnableLog enables logging
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func (lf *Zardozlogfile) EnableLog() {
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lf.active = true
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}
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//DisableLog disables logging
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func (lf *Zardozlogfile) DisableLog() {
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lf.active = false
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log.SetFlags(0)
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log.SetOutput(ioutil.Discard)
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}
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//LogEngineStart just triggers the init for the package, and logs it.
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func LogEngineStart() {
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log.Println("LogRotation Init")
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}
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//Hpwd behaves like the unix pwd command, returning the current path
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func Hpwd() string {
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tmpLoc, err := os.Getwd()
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if err != nil {
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tmpLoc = "/tmp"
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log.Printf("[TOOLS][FS] Problem getting unix pwd: %s", err.Error())
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}
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return tmpLoc
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}
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