def setup(self):
        # NOTE(vish): One of the drawbacks of doing this in the api is
        #             the keys will only be on the api node that launched
        #             the cloudpipe.
        fileutils.ensure_tree(CONF.keys_path)
Ensure the keychains and folders exist.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/cloudpipe.py/CloudpipeController.setup