hydra-notify: respond to cached_build_queued

src/lib/Hydra/Event.pm

@@ -3,6 +3,7 @@ package Hydra::Event;
 use strict;
 use warnings;
 use Hydra::Event::CachedBuildFinished;
+use Hydra::Event::CachedBuildQueued;
 use Hydra::Event::BuildFinished;
 use Hydra::Event::BuildQueued;
 use Hydra::Event::BuildStarted;
@@ -14,6 +15,7 @@ my %channels_to_events = (
   step_finished => \&Hydra::Event::StepFinished::parse,
   build_finished => \&Hydra::Event::BuildFinished::parse,
   cached_build_finished => \&Hydra::Event::CachedBuildFinished::parse,
+  cached_build_queued => \&Hydra::Event::CachedBuildQueued::parse,
 );
 
 

src/lib/Hydra/Event/CachedBuildQueued.pm

@@ -0,0 +1,59 @@
+package Hydra::Event::CachedBuildQueued;
+
+use strict;
+use warnings;
+
+sub parse :prototype(@) {
+    if (@_ != 2) {
+        die "cached_build_queued: payload takes two arguments, but ", scalar(@_), " were given";
+    }
+
+    my @failures = grep(!/^\d+$/, @_);
+    if (@failures > 0) {
+        die "cached_build_queued: payload arguments should be integers, but we received the following non-integers:", @failures;
+    }
+
+    my ($evaluation_id, $build_id) = map int, @_;
+    return Hydra::Event::CachedBuildQueued->new($evaluation_id, $build_id);
+}
+
+sub new {
+    my ($self, $evaluation_id, $build_id) = @_;
+    return bless {
+        "evaluation_id" => $evaluation_id,
+        "build_id" => $build_id,
+        "evaluation" => undef,
+        "build" => undef,
+    }, $self;
+}
+
+sub interestedIn {
+    my ($self, $plugin) = @_;
+    return int(defined($plugin->can('cachedBuildQueued')));
+}
+
+sub load {
+    my ($self, $db) = @_;
+
+    if (!defined($self->{"build"})) {
+        $self->{"build"} = $db->resultset('Builds')->find($self->{"build_id"})
+            or die "build $self->{'build_id'} does not exist\n";
+    }
+
+    if (!defined($self->{"evaluation"})) {
+        $self->{"evaluation"} = $db->resultset('JobsetEvals')->find($self->{"evaluation_id"})
+            or die "evaluation $self->{'evaluation_id'} does not exist\n";
+    }
+}
+
+sub execute {
+    my ($self, $db, $plugin) = @_;
+
+    $self->load($db);
+
+    $plugin->cachedBuildQueued($self->{"evaluation"}, $self->{"build"});
+
+    return 1;
+}
+
+1;

src/lib/Hydra/Plugin.pm

@@ -36,6 +36,12 @@ sub instantiate {
 #     my ($self, $build) = @_;
 # }
 
+# # Called when build $build has been queued again by evaluation $evaluation
+# where $build has not yet finished.
+# sub cachedBuildQueued {
+#     my ($self, $evaluation, $build) = @_;
+# }
+
 # # Called when build $build is a finished build, and is
 # part evaluation $evaluation
 # sub cachedBuildFinished {

src/script/hydra-notify

@@ -97,6 +97,7 @@ $listener->subscribe("build_finished");
 $listener->subscribe("build_queued");
 $listener->subscribe("build_started");
 $listener->subscribe("cached_build_finished");
+$listener->subscribe("cached_build_queued");
 $listener->subscribe("hydra_notify_dump_metrics");
 $listener->subscribe("step_finished");