Update downtimes.conf example config

fixes #7472

etc/icinga2/conf.d/downtimes.conf

@@ -3,7 +3,18 @@
  */
 
 apply ScheduledDowntime "backup-downtime" to Service {
-  import "backup-downtime"
+  author = "icingaadmin"
+  comment = "Scheduled downtime for backup"
 
-  assign where host.name == "localhost" && service.name == "load"
+  ranges = {
+    monday = service.vars.backup_downtime
+    tuesday = service.vars.backup_downtime
+    wednesday = service.vars.backup_downtime
+    thursday = service.vars.backup_downtime
+    friday = service.vars.backup_downtime
+    saturday = service.vars.backup_downtime
+    sunday = service.vars.backup_downtime
+  }
+
+  assign where service.vars.backup_downtime != ""
 }

etc/icinga2/conf.d/hosts/localhost/load.conf

@@ -9,4 +9,6 @@ object Service "load" {
   host_name = "localhost"
   check_command = "load"
   vars.sla = "24x7"
+
+  vars.backup_downtime = "02:00-03:00"
 }

etc/icinga2/conf.d/templates.conf

@@ -70,21 +70,3 @@ template Notification "mail-service-notification" {
   period = "24x7"
 }
 
-/**
- * Provides default settings for recurring backup downtime
- */
-
-template ScheduledDowntime "backup-downtime" {
-  author = "icingaadmin"
-  comment = "Scheduled downtime for backup"
-
-  ranges = {
-    monday = "02:00-03:00"
-    tuesday = "02:00-03:00"
-    wednesday = "02:00-03:00"
-    thursday = "02:00-03:00"
-    friday = "02:00-03:00"
-    saturday = "02:00-03:00"
-    sunday = "02:00-03:00"
-  }
-}