check_dns for docker hosts

docker-compose.yml

@@ -12,7 +12,7 @@ services:
     build:
       dockerfile: Dockerfile
     container_name: nagios
-    image: docker-registry1.in.thelinuxpro.net:5000/tlp/nagios:241227.0.1
+    image: docker-registry1.in.thelinuxpro.net:5000/tlp/nagios:241227.0.2
     networks:
       infra_dev_net:
         ipv4_address: 10.99.23.36

overlay/opt/nagios/etc/objects/commands.cfg

@@ -215,6 +215,10 @@ define command{
 	command_line	$USER1$/check_docker --connection $HOSTADDRESS$ --cpu $ARG1$:$ARG2$
 }
 
+define command {
+	command_name	check_dns_a
+	command_line	$USER1$/check_dns -H $HOSTNAME$ -q A -a $HOSTADDRESS$ -w 2 -c 5 -t 7
+}
 
 ################################################################################
 #

overlay/opt/nagios/etc/objects/docker-hosts.cfg

@@ -67,3 +67,9 @@ define service{
 	check_command		check_docker_cpu!!500.0,60%
 }
 
+defind service{
+	use			local-service,graphed-service
+	hostgroup_name		docker-hosts
+	service_description	DNS Query: A Record
+	check_command		check_dns_a
+}