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Allow filtering RDS instances by tags in the ec2 dynamic inventory script (#24423)

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* Allow filtering RDS instances by tags in the ec2.py dynamic inventory script

* PEP8 fix

* Fix no-bastring code smell

* Simplify logic in ec2.py RDS filtering by tag
This commit is contained in:
jchristi 2017-09-14 10:58:16 -04:00 committed by ansibot
parent ac69fcccdc
commit 9d5671db76
1 changed files with 32 additions and 2 deletions
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32
contrib/inventory/ec2.py
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@ -623,6 +623,36 @@ class Ec2Inventory(object):
error = "Error connecting to %s backend.\n%s" % (backend, e.message)
self.fail_with_error(error, 'getting EC2 instances')
def tags_match_filters(self, tags):
''' return True if given tags match configured filters '''
if not self.ec2_instance_filters:
return True
match = self.stack_filters
for filter_name, filter_value in self.ec2_instance_filters.items():
if filter_name[:4] != 'tag:':
continue
filter_name = filter_name[4:]
if filter_name not in tags:
if self.stack_filters:
match = False
break
continue
if isinstance(filter_value, list):
if self.stack_filters and tags[filter_name] not in filter_value:
match = False
break
if not self.stack_filters and tags[filter_name] in filter_value:
match = True
break
if isinstance(filter_value, six.string_types):
if self.stack_filters and tags[filter_name] != filter_value:
match = False
break
if not self.stack_filters and tags[filter_name] == filter_value:
match = True
break
return match
def get_rds_instances_by_region(self, region):
''' Makes an AWS API call to the list of RDS instances in a particular
region '''
@ -648,7 +678,7 @@ class Ec2Inventory(object):
instance.tags = {}
for tag in tags:
instance.tags[tag['Key']] = tag['Value']
if self.tags_match_filters(instance.tags):
self.add_rds_instance(instance, region)
if not marker:
break