# Functions
DesiredDaemonSet returns the desired DaemonSet for the provided contour using contourImage as the shutdown-manager/envoy-initconfig container images and envoyImage as Envoy's container image.
EnsureDataPlane ensures an Envoy data plane (daemonset or deployment) exists for the given contour.
EnsureDataPlaneDeleted ensures the daemonset or deployment for the provided contour is deleted if Contour owner labels exist.
EnvoyPodSelector returns a label selector using "app: envoy" as the key/value pair.
# Constants
EnvoyContainerName is the name of the Envoy container.
ShutdownContainerName is the name of the Shutdown Manager container.