Github user jburwell commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1454#discussion_r58964733 --- Diff: tools/marvin/marvin/lib/utils.py --- @@ -520,4 +520,22 @@ def verifyRouterState(apiclient, routerid, allowedstates): if routers[0].state.lower() not in allowedstates: return [FAIL, "state of the router should be in %s but is %s" % (allowedstates, routers[0].state)] - return [PASS, None] \ No newline at end of file + return [PASS, None] + + + +def wait_until(retry_interval=2, no_of_times=2, callback=None, *callback_args): + """ Utility method to try out the callback method at most no_of_times with a interval of retry_interval, + Will return immediately if callback returns True. The callback method should be written to return a list of values first being a boolean """ + + if callback is None: + return INVALID_INPUT + success = False + for i in range(0,no_of_times): + time.sleep(retry_interval) + success = callback(*callback_args) + if success[0]: + break + + return success --- End diff -- Assuming I am reading this correctly, this function will return an array not a Boolean value based on the array operation on line 536. Would be possible to add a unit test for this function to verify proper return of ``True`` when the callback succeeds and ``False`` when it doesn't pass after the number of retries fails?
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