Set logging level for Logrus and TDlib from config

log.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	log "github.com/sirupsen/logrus"
+)
+
+var logConstants = map[string]log.Level{
+	":fatal":   log.FatalLevel,
+	":error":   log.ErrorLevel,
+	":warn":    log.WarnLevel,
+	":info":    log.InfoLevel,
+	":debug":   log.DebugLevel,
+	":verbose": log.TraceLevel,
+	":all":     log.TraceLevel,
+}
+
+func stringToLogConstant(c string) log.Level {
+	level, ok := logConstants[c]
+	if !ok {
+		level = log.FatalLevel
+	}
+
+	return level
+}
+
+// SetLogrusLevel sets Logrus logging level from a string
+func SetLogrusLevel(level string) {
+	log.SetLevel(stringToLogConstant(level))
+}

telegabber.go

@@ -19,6 +19,8 @@ func main() {
 		log.Fatal(err)
 	}
 
+	SetLogrusLevel(config.XMPP.Loglevel)
+
 	cm, err := xmpp.NewComponent(config.XMPP, config.Telegram)
 	if err != nil {
 		log.Fatal(err)

telegram/client.go

@@ -12,13 +12,13 @@ import (
 )
 
 var logConstants = map[string]int32{
-	"fatal":   0,
+	":fatal":   0,
-	"error":   1,
+	":error":   1,
-	"warn":    2,
+	":warn":    2,
-	"info":    3,
+	":info":    3,
-	"debug":   4,
+	":debug":   4,
-	"verbose": 5,
+	":verbose": 5,
-	"all":     1023,
+	":all":     1023,
 }
 
 func stringToLogConstant(c string) int32 {