WIP Emit events from the PipelineRun controller

Emit additional events:
- Pipeline Start

Emit all events through the events.go module.
Align and simplify the reconcile structure to have clear points
for error handling and emitting events.

pkg/apis/pipeline/v1beta1/pipelinerun_types.go

@@ -239,6 +239,17 @@ func (pr *PipelineRunStatus) MarkResourceNotConvertible(err *CannotConvertError)
 	})
 }
 
+// MarkResourceFailed sets the ConditionSucceeded condition to ConditionFalse
+// based on an error that occurred and a reason
+func (pr *PipelineRunStatus) MarkResourceFailed(reason string, err error) {
+	pipelineRunCondSet.Manage(pr).SetCondition(apis.Condition{
+		Type:    apis.ConditionSucceeded,
+		Status:  corev1.ConditionFalse,
+		Reason:  reason,
+		Message: err.Error(),
+	})
+}
+
 // PipelineRunStatusFields holds the fields of PipelineRunStatus' status.
 // This is defined separately and inlined so that other types can readily
 // consume these fields via duck typing.

pkg/reconciler/pipelinerun/controller.go

@@ -69,6 +69,7 @@ func NewController(images pipeline.Images) func(context.Context, configmap.Watch
 			ConfigMapWatcher:  cmw,
 			ResyncPeriod:      resyncPeriod,
 			Logger:            logger,
+			Recorder:          controller.GetEventRecorder(ctx),
 		}
 
 		c := &Reconciler{