Make status.dat/objects.cache interval configurable.

Fixes #5262

components/compat/compat-type.conf

@@ -19,7 +19,8 @@
 
 type StatusDataWriter {
 	%attribute string "status_path",
-	%attribute string "objects_path"
+	%attribute string "objects_path",
+	%attribute number "update_interval"
 }
 
 type ExternalCommandListener {

components/compat/statusdatawriter.cpp

@@ -56,7 +56,7 @@ void StatusDataWriter::Start(void)
 	DynamicObject::Start();
 
 	m_StatusTimer = make_shared<Timer>();
-	m_StatusTimer->SetInterval(15);
+	m_StatusTimer->SetInterval(GetUpdateInterval());
 	m_StatusTimer->OnTimerExpired.connect(boost::bind(&StatusDataWriter::StatusTimerHandler, this));
 	m_StatusTimer->Start();
 	m_StatusTimer->Reschedule(0);

components/compat/statusdatawriter.ti

@@ -12,6 +12,9 @@ class StatusDataWriter : DynamicObject
 	[config] String objects_path {
 		default {{{ return Application::GetLocalStateDir() + "/cache/icinga2/objects.cache"; }}}
 	};
+	[config] double update_interval {
+		default {{{ return 15; }}}
+	};
 };
 
 }

doc/4.3-object-types.md

@@ -719,7 +719,8 @@ Example:
 
     object StatusDataWriter "status" {
         status\_path = "/var/cache/icinga2/status.dat",
-        objects\_path = "/var/cache/icinga2/objects.path"
+        objects\_path = "/var/cache/icinga2/objects.path",
+        update\_interval = 30s
     }
 
 Attributes:
@@ -728,6 +729,7 @@ Attributes:
   ----------------|----------------
   status\_path    |**Optional.** Path to the status.dat file. Defaults to IcingaLocalStateDir + "/cache/icinga2/status.dat".
   objects\_path   |**Optional.** Path to the objects.cache file. Defaults to IcingaLocalStateDir + "/cache/icinga2/objects.cache".
+  update\_interval|**Optional.** The interval in which the status files are updated. Defaults to 15 seconds.
 
 ### <a id="objecttype-externalcommandlistener"></a> ExternalCommandListener