Livestatus: Add 'check_source' to hosts table.

Fixes #6185

components/livestatus/hoststable.cpp

@@ -157,6 +157,7 @@ void HostsTable::AddColumns(Table *table, const String& prefix,
 	table->AddColumn(prefix + "services", Column(&HostsTable::ServicesAccessor, objectAccessor));
 	table->AddColumn(prefix + "services_with_state", Column(&HostsTable::ServicesWithStateAccessor, objectAccessor));
 	table->AddColumn(prefix + "services_with_info", Column(&HostsTable::ServicesWithInfoAccessor, objectAccessor));
+	table->AddColumn(prefix + "check_source", Column(&HostsTable::CheckSourceAccessor, objectAccessor));
 	table->AddColumn(prefix + "is_reachable", Column(&HostsTable::IsReachableAccessor, objectAccessor));
 }
 
@@ -1483,6 +1484,21 @@ Value HostsTable::ServicesWithInfoAccessor(const Value& row)
 	return services;
 }
 
+Value HostsTable::CheckSourceAccessor(const Value& row)
+{
+	Host::Ptr host = static_cast<Host::Ptr>(row);
+
+	if (!host)
+		return Empty;
+
+	CheckResult::Ptr cr = host->GetLastCheckResult();
+
+	if (cr)
+		return cr->GetCheckSource();
+
+	return Empty;
+}
+
 Value HostsTable::IsReachableAccessor(const Value& row)
 {
 	Host::Ptr host = static_cast<Host::Ptr>(row);

components/livestatus/hoststable.h

@@ -140,6 +140,7 @@ protected:
 	static Value ServicesAccessor(const Value& row);
 	static Value ServicesWithStateAccessor(const Value& row);
 	static Value ServicesWithInfoAccessor(const Value& row);
+        static Value CheckSourceAccessor(const Value& row);
         static Value IsReachableAccessor(const Value& row);
 };
 

doc/9-appendix.md

@@ -505,6 +505,7 @@ New columns:
   ----------|--------------
   hosts     | is_reachable
   services  | is_reachable
+  hosts     | check_source
   services  | check_source
   downtimes | triggers
   downtimes | trigger_time

test/livestatus/queries/host/check

@@ -0,0 +1,4 @@
+GET hosts
+Columns: name plugin_output check_source
+ResponseHeader: fixed16
+