The networking_cisco.plugins.cisco.common.utils Module

exception networking_cisco.plugins.cisco.common.utils.DriverNotFound(**kwargs)

Bases: neutron_lib.exceptions.NotFound

message = u’Driver %(driver)s does not exist’

networking_cisco.plugins.cisco.common.utils.convert_validate_driver_class(driver_class_name)

networking_cisco.plugins.cisco.common.utils.retry(ExceptionToCheck, tries=4, delay=3, backoff=2)

Retry calling the decorated function using an exponential backoff.

Reference: http://www.saltycrane.com/blog/2009/11/trying-out-retry -decorator-python/

Parameters:

• ExceptionToCheck – the exception to check. may be a tuple of exceptions to check
• tries – number of times to try (not retry) before giving up
• delay – initial delay between retries in seconds
• backoff – backoff multiplier e.g. value of 2 will double the delay each retry