bundles/icinga2: add hostgroup for every bw group

bundles/icinga2/files/icinga2/groups.conf

@@ -0,0 +1,7 @@
+% for group in sorted(repo.groups):
+object HostGroup "group-${group.name}" {
+  display_name = "bw group ${group.name}"
+
+  assign where "${group.name}" in host.vars.bw_groups
+}
+% endfor

bundles/icinga2/files/icinga2/hosts.conf

@@ -2,10 +2,13 @@
 object Host "${monitored_node.name}" {
   import "generic-host"
 
-  vars.os = "Linux"
+  address = "${monitored_node.metadata.get('icinga_options', {}).get('hostname', monitored_node.hostname)}"
+
+  vars.os = "${monitored_node.os}"
   vars.sla = "${monitored_node.metadata.get('sla', '24x7')}"
   vars.period = "${sla_info[monitored_node.metadata.get('sla', '24x7')]}"
-  address = "${monitored_node.metadata.get('icinga_options', {}).get('hostname', monitored_node.hostname)}"
+  vars.location = "${monitored_node.metadata.get('location', 'unknown')}"
+  vars.bw_groups = [ "${'", "'.join(sorted({group.name for group in monitored_node.groups}))}" ]
 }
 % endfor
 

bundles/icinga2/items.py

@@ -129,6 +129,16 @@ files = {
             'svc_systemd:icinga2:restart',
         },
     },
+    '/etc/icinga2/conf.d/groups.conf': {
+        'source': 'icinga2/groups.conf',
+        'content_type': 'mako',
+        'needs': {
+            'pkg_apt:icinga2',
+        },
+        'triggers': {
+            'svc_systemd:icinga2:restart',
+        },
+    },
     '/etc/icinga2/conf.d/templates.conf': {
         'source': 'icinga2/templates.conf',
         'needs': {