feat(logger): Init logrus [DTD-55] (#5232)

api/cmd/portainer/log.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"log"
+
+	"github.com/sirupsen/logrus"
+)
+
+func configureLogger() {
+	logger := logrus.New() // logger is to implicitly substitute stdlib's log
+	log.SetOutput(logger.Writer())
+
+	formatter := &logrus.TextFormatter{DisableTimestamp: true, DisableLevelTruncation: true}
+	logger.SetFormatter(formatter)
+	logrus.SetFormatter(formatter)
+
+	logger.SetLevel(logrus.DebugLevel)
+	logrus.SetLevel(logrus.DebugLevel)
+}

api/cmd/portainer/main.go

@@ -503,6 +503,8 @@ func buildServer(flags *portainer.CLIFlags) portainer.Server {
 func main() {
 	flags := initCLI()
 
+	configureLogger()
+
 	for {
 		server := buildServer(flags)
 		log.Printf("Starting Portainer %s on %s\n", portainer.APIVersion, *flags.Addr)