ntainer IDs from the ``Policy``
        ``ContainerRuntime``

        If `runtime` is not provided, use the ``Policy`` default

        :param runtime:     The container runtime to use, if not the default
                            runtime detected and loaded by the ``Policy``
        :type runtime: ``str``

        :param get_all:     Return all containers known to the `runtime`, even
                            those that have terminated
        :type get_all: ``bool``

        :returns: All container IDs found by the ``ContainerRuntime``
        :rtype: ``list``
        ©