sleepex.py

from time import sleep
import sys

def sleepex(data):
    # Set some defaults in case this filter is called without
    # being in a loop
    delay=1.25 # seconds
    attempt=1 

    if 'delay' in data.keys():
        delay=data['delay']
    if 'attempts' in data.keys():
        attempt=data['attempts']

    # Sleep for delay to the power of attempt. This produces
    # an exponential backoff. Subtract 1 delay that will be
    # done by ansible itself.
    sleep(delay**attempt-delay)
    # Always return True as this isn't actually testing anything
    return True

class FilterModule(object):
    ''' Query filter '''
    def filters(self):
        return {
            'sleepex': sleepex
        }