FilterCloseErr rewrites EOF and EPIPE errors to bool.

NewCacheBasedSecretManager create a cache based SecretManager.

NewHealthz create a Healthz.

NewImagePullAccountManager returns an ImagePullAccountManager, defaults to be nil.

NodeName returns the node name of this daemon.

NormalizeImageRef normalizes the image reference.

NormalizeImageRefToNameTag normalizes the image reference to name and tag.

ParseRegistry return the registry of image.

ParseRepositoryTag gets a repos name and returns the right reposName + tag|digest The tag can be confusing because of a port in a repository name.

Healthz is a manager which will run all healthChecks registered.

HealthCheck defines the interface that a checker should impl.

SecretManager is the interface to get secrets from API Server.

HealthCheckFunc is the interface theat a checker should impl.