this is ugly but its been a 12 hour day

inventory/host_vars/relay-stg.ci.centos.org

@@ -61,6 +61,8 @@ fedmsg_certs:
 fedmsg_prefix: org.centos
 fedmsg_env: stg
 
+nagios_Can_Connect: false
+
 nagios_Check_Services:
   mail: false
   nrpe: false

inventory/host_vars/relay.ci.centos.org

@@ -61,6 +61,8 @@ fedmsg_certs:
 fedmsg_prefix: org.centos
 fedmsg_env: prod
 
+nagios_Can_Connect: false
+
 nagios_Check_Services:
   mail: false
   nrpe: false

roles/nagios_server/tasks/main.yml

@@ -205,7 +205,6 @@
     - osbs.cfg
     - pagure_redis.cfg
     - pgsql.cfg
-    - ping.cfg
     - procs.cfg
     - rabbitmq.cfg
     - raid.cfg
@@ -337,10 +336,12 @@
   template: src=nagios/services/{{item}}.j2 dest=/etc/nagios/services/{{item}} mode=0644 owner=root group=root
   with_items:
     - websites.cfg
+    - ping.cfg
   when: env == "production"
   tags:
   - nagios_server
   - nagios_config
+  - nagios_hostgroups
   - websites
   notify: restart nagios
 

roles/nagios_server/templates/nagios/services/ping.cfg.j2

@@ -1,5 +1,5 @@
 define service {
-  hostgroup_name		*, !buildvm_armv7, !buildvm_s390x, !buildvm_s390x_stg
+  hostgroup_name		{% for host in groups['all']|sort %}{% if hostvars[host].nagios_Can_Connect == true or hostvars[host].nagios_Check_Services['ping'] = true %}{{host}}, {% endif %}{% endfor %}, !buildvm_armv7, !buildvm_s390x, !buildvm_s390x_stg
   service_description		ICMP-Ping4
   check_command			check_ping4!350.0,20%!500.0,60%
   use				criticaltemplate