add --log-json command line option

During development, it's easy to parse a plain format by human.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 4 insertions, 1 deletions

diff --git a/bgpd.go b/bgpd.go
index 38e5c849..8e9effd3 100644
--- a/bgpd.go
+++ b/bgpd.go
@@ -37,6 +37,7 @@ func main() {
 	var opts struct {
 		ConfigFile string `short:"f" long:"config-file" description:"specifying a config file"`
 		LogLevel   string `short:"l" long:"log-level" description:"specifying log level"`
+		LogJson    bool   `shot:"j" long:"log-json" description:"use json format for logging"`
 	}
 	_, err := flags.Parse(&opts)
 	if err != nil {
@@ -52,7 +53,9 @@ func main() {
 		log.SetLevel(log.InfoLevel)
 	}
 	log.SetOutput(os.Stderr)
-	log.SetFormatter(&log.JSONFormatter{})
+	if opts.LogJson {
+		log.SetFormatter(&log.JSONFormatter{})
+	}
 
 	if opts.ConfigFile == "" {
 		opts.ConfigFile = "gobgpd.conf"