From 391facbedf8054945f34040a32343e259d9578d8 Mon Sep 17 00:00:00 2001
From: Nuno Diegues <nuno@cloudflare.com>
Date: Thu, 14 Jan 2021 11:53:35 +0000
Subject: [PATCH] TUN-3756: File logging output must consider the directory

---
 logger/create.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/logger/create.go b/logger/create.go
index 3a1191de..e126ed99 100644
--- a/logger/create.go
+++ b/logger/create.go
@@ -5,6 +5,7 @@ import (
 	"io"
 	"os"
 	"path"
+	"path/filepath"
 
 	"github.com/mattn/go-colorable"
 	"github.com/rs/zerolog"
@@ -159,7 +160,8 @@ func createLogFile(config FileConfig) (io.Writer, error) {
 
 	mode := os.FileMode(filePermMode)
 
-	logFile, err := os.OpenFile(config.Filename, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode)
+	fullPath := filepath.Join(config.Dirname, config.Filename)
+	logFile, err := os.OpenFile(fullPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, mode)
 	if err != nil {
 		return nil, fmt.Errorf("unable to create a new logfile: %s", err)
 	}