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do not fail if no updates are to be performed #442

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merged 1 commit into from
Jan 30, 2017
Merged

do not fail if no updates are to be performed #442

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10 changes: 8 additions & 2 deletions senza/aws.py
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Original file line number Diff line number Diff line change
Expand Up @@ -428,5 +428,11 @@ def update_stack_from_template(region: str, template: dict, dry_run: bool):
info('**DRY-RUN** {}'.format(template['NotificationARNs']))
else:
cf.update_stack(**template)
except ClientError as e:
act.fatal_error('ClientError: {}'.format(pformat(e.response)))
except ClientError as err:
response = err.response
error_info = response['Error']
error_message = error_info['Message']
if error_message == 'No updates are to be performed.':
act.ok('NO UPDATE')
else:
act.fatal_error('ClientError: {}'.format(pformat(response)))