[feat] configure logger

1 files changed, 17 insertions, 0 deletions

diff --git a/helper/helper.go b/helper/helper.go
index 5419696..1e30f8f 100644
--- a/helper/helper.go
+++ b/helper/helper.go
@@ -17,8 +17,10 @@ package main
 
 import (
 	"encoding/json"
+	"io"
 	"log"
 	"net/http"
+	"os"
 	"os/exec"
 )
 
@@ -31,6 +33,13 @@ type openvpnT struct {
 }
 
 func main() {
+	logger, err := configureLogger()
+	if err != nil {
+		log.Println("Can't configure logger: %v", err)
+	} else {
+		defer logger.Close()
+	}
+
 	openvpn := openvpnT{nil}
 	firewall := firewallT{}
 	http.HandleFunc("/openvpn/start", openvpn.start)
@@ -103,3 +112,11 @@ func getArgs(r *http.Request) ([]string, error) {
 	err := decoder.Decode(&args)
 	return args, err
 }
+
+func configureLogger() (io.Closer, error) {
+	logFile, err := os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err == nil {
+		log.SetOutput(io.MultiWriter(logFile, os.Stderr))
+	}
+	return logFile, err
+}