CreateOrUpdate creates the given ConfigMap if it doesn't exist, or updates it if it does.

Exists return whether a configmap with the given namespaced name exists.

ReadData extracts the contents of the Data field in a given config map.

ReadFileLikeField reads a ConfigMap with file-like properties and returns the value inside one of the fields.

ReadKey accepts a ConfigMap Getter, the object of the ConfigMap to get, and the key within the config map to read.

UpdateField updates the sets "key" to the given "value".