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cloud/elasticache: Ensure self.data is iterable

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- self.data['SecurityGroups'] can return None causing traceback, if that
  is the case fallback to an empty list
This commit is contained in:
Michael J. Schultz 2014-04-11 18:23:53 -05:00
parent b0556ab1fb
commit db92301b00
1 changed files with 2 additions and 1 deletions
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3
library/cloud/elasticache
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@ -395,7 +395,8 @@ class ElastiCacheManager(object):
# check vpc security groups
vpc_security_groups = []
for sg in self.data['SecurityGroups']:
security_groups = self.data['SecurityGroups'] or []
for sg in security_groups:
vpc_security_groups.append(sg['SecurityGroupId'])
if set(vpc_security_groups) - set(self.security_group_ids):
return True