kubernetes/pkg/controller/deployment/progress.go

// syncRolloutStatus updates the status of a deployment during a rollout. There are
// cases this helper will run that cannot be prevented from the scaling detection,
// for example a resync of the deployment after it was scaled up. In those cases,
// we shouldn't try to estimate any progress.
func (dc *DeploymentController) syncRolloutStatus(ctx context.Context, allRSs []*apps.ReplicaSet, newRS *apps.ReplicaSet, d *apps.Deployment) error { … }

// getReplicaFailures will convert replica failure conditions from replica sets
// to deployment conditions.
func (dc *DeploymentController) getReplicaFailures(allRSs []*apps.ReplicaSet, newRS *apps.ReplicaSet) []apps.DeploymentCondition { … }

var nowFn …

// requeueStuckDeployment checks whether the provided deployment needs to be synced for a progress
// check. It returns the time after the deployment will be requeued for the progress check, 0 if it
// will be requeued now, or -1 if it does not need to be requeued.
func (dc *DeploymentController) requeueStuckDeployment(ctx context.Context, d *apps.Deployment, newStatus apps.DeploymentStatus) time.Duration { … }