Add startup config logging

This is useful during early development to make possible
misconfiguration visible.

Later it might be dropped especially if the config gets larger.

1 files changed, 15 insertions, 0 deletions

diff --git a/config.go b/config.go
index dfea550..d39efca 100644
--- a/config.go
+++ b/config.go
@@ -50,6 +50,19 @@ type StartupConfig struct {
 	Homematic HomematicConfig `json:"homematic"`
 }
 
+func (sc StartupConfig) String() string {
+	prefix := ""
+	indent := "\t"
+
+	data, err := json.MarshalIndent(sc, prefix, indent)
+	if err != nil {
+		log.Println("Failed to marshal startup configuration.")
+		return ""
+	}
+
+	return string(data)
+}
+
 func (sc StartupConfig) Validate() error {
 	if !mqttBrokerRegexp.MatchString(sc.MQTT.Broker) {
 		return fmt.Errorf(
@@ -152,5 +165,7 @@ func GetStartupConfig(path string) StartupConfig {
 		}
 	}
 
+	log.Printf("Startup configuration:\n%v", config)
+
 	return config
 }