Tasks: only execute the event if the plugin is interested in it

src/lib/Hydra/TaskDispatcher.pm

@@ -117,6 +117,11 @@ sub new {
         type => "counter",
         help => "Number of tasks that have not been processed because the plugin does not exist."
     );
+    $prometheus->declare(
+        "notify_plugin_not_interested",
+        type => "counter",
+        help => "Number of tasks that have not been processed because the plugin was not interested in the event."
+    );
 
     my %plugins_by_name = map { ref $_ => $_ } @{$plugins};
 
@@ -190,6 +195,11 @@ sub dispatch_task {
         return 0;
     }
 
+    if (!$task->{"event"}->interested($plugin)) {
+        $self->{"prometheus"}->inc("notify_plugin_not_interested", $event_labels);
+        return 0;
+    }
+
     $self->{"prometheus"}->inc("notify_plugin_executions", $event_labels);
     eval {
         my $start_time = [gettimeofday()];