ContainerInPod returns a reference to a container object given its name in the given pod.

EnvValueForContainer returns the value of an env var set on a container within a pod.

FetchSecretValue fetches a specific secret value from the "data" object in a secret and returns the decoded value.

PortByName returns the first port instance with the given name among all of a pod's containers.

PortByNumber returns the first port instance, regardless of whether it is TCP or UDP, with the given port number among all of a pod's containers.

FixedFakeCustomStore is necessary until we use a client-go version that includes https://github.com/kubernetes/kubernetes/pull/62406.