bundles/icinga2: use ip addresses for monitoring instead of hostnames

bundles/icinga2/files/icinga2/check_commands.conf

@@ -9,7 +9,7 @@ object CheckCommand "sshmon" {
             value = "$sshmon_command$"
         }
         "-h" = {
-            value = "$address$"
+            value = "$check_address$"
         }
         "-t" = {
             set_if = bool("$sshmon_timeout$")
@@ -81,7 +81,7 @@ object CheckCommand "check_imap" {
             value = "$imap_port$"
         }
         "-H" = {
-            value = "$address$"
+            value = "$check_address$"
         }
     }
 }
@@ -108,7 +108,7 @@ object CheckCommand "check_smtp" {
 
     arguments = {
         "-H" = {
-            value = "$address$"
+            value = "$check_address$"
         }
     }
 }
@@ -124,6 +124,6 @@ object CheckCommand "check_usv" {
     import "plugin-check-command"
     import "ipv4-or-ipv6"
 
-    command = [ "/usr/local/share/icinga/plugins/check_usv_snmp", "$address$", "$snmp_community$" ]
+    command = [ "/usr/local/share/icinga/plugins/check_usv_snmp", "$check_address$", "$snmp_community$" ]
     vars.snmp_community = "public"
 }

bundles/icinga2/files/icinga2/hosts_template.conf

@@ -1,7 +1,12 @@
 object Host "${rnode.name}" {
     import "generic-host"
 
-    address = "${rnode.metadata.get('icinga_options/hostname', rnode.hostname)}"
+% if address4:
+    address = "${address4}"
+% endif
+% if address6:
+    address6 = "${address6}"
+% endif
 
     # used for determining service groups
     vars.bw_groups = [ "${'", "'.join(sorted({group.name for group in rnode.groups}))}" ]