Implement summary macros e.g. $icinga.num_services_critical$.

Additional $icinga.uptime$ macro.

Fixes #2742

doc/3.03-custom-attributes-runtime-macros.md

@@ -205,3 +205,24 @@ The following macros are available in all executed commands:
   icinga.short_date_time | Current date and time. Example: `2014-01-03 11:23:08`
   icinga.date            | Current date. Example: `2014-01-03`
   icinga.time            | Current time including timezone information. Example: `11:23:08 +0000`
+  icinga.uptime          | Current uptime of the Icinga 2 process.
+
+The following macros provide global statistics:
+
+  Name                              | Description
+  ----------------------------------|--------------
+  icinga.num_services_ok            | Current number of services in state 'OK'.
+  icinga.num_services_warning       | Current number of services in state 'Warning'.
+  icinga.num_services_critical      | Current number of services in state 'Critical'.
+  icinga.num_services_unknown       | Current number of services in state 'Unknown'.
+  icinga.num_services_pending       | Current number of pending services.
+  icinga.num_services_unreachable   | Current number of unreachable services.
+  icinga.num_services_flapping      | Current number of flapping services.
+  icinga.num_services_in_downtime   | Current number of services in downtime.
+  icinga.num_services_acknowledged  | Current number of acknowledged service problems.
+  icinga.num_hosts_up               | Current number of hosts in state 'Up'.
+  icinga.num_hosts_down             | Current number of hosts in state 'Down'.
+  icinga.num_hosts_unreachable      | Current number of unreachable hosts.
+  icinga.num_hosts_flapping         | Current number of flapping hosts.
+  icinga.num_hosts_in_downtime      | Current number of hosts in downtime.
+  icinga.num_hosts_acknowledged     | Current number of acknowledged host problems.

lib/icinga/icingaapplication.cpp

@@ -18,6 +18,7 @@
  ******************************************************************************/
 
 #include "icinga/icingaapplication.h"
+#include "icinga/cib.h"
 #include "base/dynamictype.h"
 #include "base/logger_fwd.h"
 #include "base/objectlock.h"
@@ -152,6 +153,9 @@ bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr
 	} else if (macro == "time") {
 		*result = Utility::FormatDateTime("%H:%M:%S %z", now);
 		return true;
+	} else if (macro == "uptime") {
+		*result = Utility::FormatDuration(Utility::GetTime() - Application::GetStartTime());
+		return true;
 	}
 
 	Dictionary::Ptr vars = GetVars();
@@ -161,6 +165,62 @@ bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr
 		return true;
 	}
 
+	if (macro.Contains("num_services")) {
+		ServiceStatistics ss = CIB::CalculateServiceStats();
+
+		if (macro == "num_services_ok") {
+			*result = Convert::ToString(ss.services_ok);
+			return true;
+		} else if (macro == "num_services_warning") {
+			*result = Convert::ToString(ss.services_warning);
+			return true;
+		} else if (macro == "num_services_critical") {
+			*result = Convert::ToString(ss.services_critical);
+			return true;
+		} else if (macro == "num_services_unknown") {
+			*result = Convert::ToString(ss.services_unknown);
+			return true;
+		} else if (macro == "num_services_pending") {
+			*result = Convert::ToString(ss.services_pending);
+			return true;
+		} else if (macro == "num_services_unreachable") {
+			*result = Convert::ToString(ss.services_unreachable);
+			return true;
+		} else if (macro == "num_services_flapping") {
+			*result = Convert::ToString(ss.services_flapping);
+			return true;
+		} else if (macro == "num_services_in_downtime") {
+			*result = Convert::ToString(ss.services_in_downtime);
+			return true;
+		} else if (macro == "num_services_acknowledged") {
+			*result = Convert::ToString(ss.services_acknowledged);
+			return true;
+		}
+	}
+	else if (macro.Contains("num_hosts")) {
+		HostStatistics hs = CIB::CalculateHostStats();
+
+		if (macro == "num_hosts_up") {
+			*result = Convert::ToString(hs.hosts_up);
+			return true;
+		} else if (macro == "num_hosts_down") {
+			*result = Convert::ToString(hs.hosts_down);
+			return true;
+		} else if (macro == "num_hosts_unreachable") {
+			*result = Convert::ToString(hs.hosts_unreachable);
+			return true;
+		} else if (macro == "num_hosts_flapping") {
+			*result = Convert::ToString(hs.hosts_flapping);
+			return true;
+		} else if (macro == "num_hosts_in_downtime") {
+			*result = Convert::ToString(hs.hosts_in_downtime);
+			return true;
+		} else if (macro == "num_hosts_acknowledged") {
+			*result = Convert::ToString(hs.hosts_acknowledged);
+			return true;
+		}
+	}
+
 	return false;
 }
 

test/config/2742.conf

@@ -0,0 +1,22 @@
+
+object CheckCommand "2742-macro-command" {
+  import "plugin-check-command" 
+  command = "echo UPTIME: $icinga.uptime$ SERVICES warn: $icinga.num_services_warning$ crit: $icinga.num_services_critical$ unknown: $icinga.num_services_unknown$ ackd: $icinga.num_services_acknowledged$ HOST: down: $icinga.num_hosts_down$ unreachable: $icinga.num_hosts_unreachable$"
+}
+
+object HostGroup "2742-windows-servers"{
+  display_name = "2742-windows-servers"
+  assign where match("2742-*", host.name)
+}
+
+apply Service "2742-macro-test" {
+  import "test-generic-service"
+  check_command = "2742-macro-command"
+  assign where match("2742-*", host.name)
+}
+
+object Host "2742-server" {
+  import "test-generic-host"
+  address = "192.168.1.5",
+}
+