Initial Notifiers implementation

main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/cloudflare/cloudflare-go"
 	"github.com/mkelcik/cloudflare-ddns-update/internal"
+	"github.com/mkelcik/cloudflare-ddns-update/notifications"
 	"github.com/mkelcik/cloudflare-ddns-update/public_resolvers"
 )
 
@@ -17,6 +18,21 @@ type PublicIpResolver interface {
 	ResolvePublicIp(ctx context.Context) (net.IP, error)
 }
 
+func getNotifiers(tags []string) notifications.Notifiers {
+	out := notifications.Notifiers{}
+	for _, t := range tags {
+		if initFn, ok := notifications.Available[t]; ok {
+			notifier, err := initFn()
+			if err != nil {
+				log.Println(err)
+				continue
+			}
+			out = append(out, notifier)
+		}
+	}
+	return out
+}
+
 func getResolver(resolverName string) (PublicIpResolver, string) {
 	switch resolverName {
 	// HERE add another resolver if needed
@@ -51,6 +67,8 @@ func main() {
 		log.Fatal(err)
 	}
 
+	notifiers := getNotifiers(config.Notifiers)
+
 	// public ip resolver
 	publicIpResolver, resolverTag := getResolver(config.PublicIpResolverTag)
 
@@ -85,9 +103,19 @@ func main() {
 
 				if _, err := api.UpdateDNSRecord(ctx, cloudflare.ZoneIdentifier(zoneID), update); err != nil {
 					log.Printf("error updating dns record: %s", err)
-				} else {
-					log.Printf("Updated to `%s`", currentPublicIP)
+					continue
 				}
+
+				if err := notifiers.NotifyWithLog(ctx, notifications.Notification{
+					OldIp:       net.ParseIP(dnsRecord.Content),
+					NewIp:       currentPublicIP,
+					CheckedAt:   time.Now(),
+					ResolverTag: resolverTag,
+					Domain:      dnsRecord.Name,
+				}); err != nil {
+					log.Printf("errors in notifications: %s", err)
+				}
+				log.Printf("Updated to `%s`", currentPublicIP)
 			}
 		}
 	}