AnnProm adds annotations for prometheus scraping metrics.

GetOwnerRef returns TiflowCluster's OwnerReference.

IsRequeueError returns whether err is a RequeueError.

RequeueErrorf returns a RequeueError.

ServiceEqual compares the new Service's spec with old Service's last applied config.

SetServiceLastAppliedConfigAnnotation set last applied config info to Service's annotation.

TiflowExecutorMemberName returns tiflow-executor member name.

TiflowExecutorPeerMemberName returns tiflow-executor peer service name.

TiflowMasterFullHost returns tiflow-master full host.

TiflowMasterMemberName returns tiflow-master member name.

TiflowMasterPeerMemberName returns tiflow-master peer service name.

LastAppliedConfigAnnotation is annotation key of last applied configuration.

LastAppliedPodTemplate is annotation key of the last applied pod template.

ControllerKind contains the group version for tiflowcluster controller type.

RequeueError is used to requeue the item, this error type should't be considered as a real error.