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Doing exponential backoff on route53 upon AWS throttling

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This commit is contained in:
Ashwanth Kumar 2016-02-05 13:27:55 +05:30 committed by Matt Clay
parent 2e94affde6
commit 7c5b4b142a
1 changed files with 16 additions and 1 deletions
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17
lib/ansible/modules/cloud/amazon/route53.py
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@ -345,6 +345,21 @@ def commit(changes, retry_interval, wait, wait_timeout):
raise TimeoutError()
return result
# Shamelessly copied over from https://git.io/vgmDG
IGNORE_CODE = 'Throttling'
MAX_RETRIES=5
def invoke_with_throttling_retries(function_ref, *argv):
retries=0
while True:
try:
retval=function_ref(*argv)
return retval
except boto.exception.BotoServerError, e:
if e.code != IGNORE_CODE or retries==MAX_RETRIES:
raise e
time.sleep(5 * (2**retries))
retries += 1
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
@ -530,7 +545,7 @@ def main():
changes.add_change_record(command, wanted_rset)
try:
result = commit(changes, retry_interval_in, wait_in, wait_timeout_in)
result = invoke_with_throttling_retries(commit, changes, retry_interval_in, wait_in, wait_timeout_in)
except boto.route53.exception.DNSServerError, e:
txt = e.body.split("<Message>")[1]
txt = txt.split("</Message>")[0]