def shutdown():
""" Shutdown the instance where this method is called.
Returns:
True if there are no errors.
"""
try:
auth = Auth()
instance = _get(_INSTANCE + "hostname").split(".")[0]
zone = _get(_INSTANCE + "zone").split("/")[-1]
project = _get(_PROJECT + "project-id")
logging.info("Instance %s will be shut down.", instance)
sp = discovery.build("compute", "v1")
req = sp.instances().delete(project=project, zone=zone, instance=instance) # pylint: disable=no-member
req.headers["Authorization"] = auth.header_str()
req.execute()
return True
except urllib2.URLError as e:
LOGGER.warning("Shutdown was interrupted. (%s)", e)
return False
