watchdog dnsmanagerd to powerdns: do not update invalid zones.

deployment/primary-dnsmanagerd-to-powerdns.sh

@@ -4,6 +4,11 @@ export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 # Copying files from the dnsmanagerd bind9 directory to the powerdns directory.
 PDNSDIR="/var/powerdns/"
 DNSMANDIR="/tmp/DATA-dnsmanagerd/bind9-zones/"
+LOGFILE="/tmp/invalid-domains"
+
+test_domain_validity() {
+	named-checkzone $1 $DNSMANDIR/$1 1>/dev/null 2>/dev/null
+}
 
 local_update() {
 	echo "update domain $1"
@@ -19,8 +24,13 @@ action() {
 	file=$2
 
 	echo $event | grep "MOVED_TO" >/dev/null
+	if [ $? -eq 0 ]; then
+		test_domain_validity $file
 		if [ $? -eq 0 ]; then
 			local_update $file
+		else
+			echo "invalid domain: $file" >> $LOGFILE
+		fi
 	fi
 
 	echo $event | grep "DELETE" >/dev/null