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module_utils/ec2: fix boto3 tags to remove (#25277)

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* Fix boto3 tags to remove; unable to remove a list of strings, need list of {'Key': key}

* pep8 fix

* cannot bugfix due to differences in AWS APIs - just document

* add more info to guidelines for using compare_aws_tags
This commit is contained in:
Sloane Hertel 2017-06-06 11:02:15 -04:00 committed by GitHub
parent b2b0938aff
commit 7bebc83dcf
2 changed files with 6 additions and 3 deletions
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5
lib/ansible/module_utils/ec2.py
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@ -652,13 +652,14 @@ def map_complex_type(complex_type, type_map):
def compare_aws_tags(current_tags_dict, new_tags_dict, purge_tags=True):
"""
Compare two dicts of AWS tags. Dicts are expected to of been created using 'boto3_tag_list_to_ansible_dict' helper function.
Two dicts are returned - the first is tags to be set, the second is any tags to remove
Two dicts are returned - the first is tags to be set, the second is any tags to remove. Since the AWS APIs differ t
hese may not be able to be used out of the box.
:param current_tags_dict:
:param new_tags_dict:
:param purge_tags:
:return: tag_key_value_pairs_to_set: a dict of key value pairs that need to be set in AWS. If all tags are identical this dict will be empty
:return: tag_keys_to_unset: a list of key names that need to be unset in AWS. If no tags need to be unset this list will be empty
:return: tag_keys_to_unset: a list of key names (type str) that need to be unset in AWS. If no tags need to be unset this list will be empty
"""
tag_key_value_pairs_to_set = {}

4
lib/ansible/modules/cloud/amazon/GUIDELINES.md
View file

@ -314,4 +314,6 @@ to modify and a list of tag key names that you need to remove. Purge is True by
existing tags will not be modified.
This function is useful when using boto3 'add_tags' and 'remove_tags' functions. Be sure to use the other helper function
'boto3_tag_list_to_ansible_dict' to get an appropriate tag dict before calling this function.
'boto3_tag_list_to_ansible_dict' to get an appropriate tag dict before calling this function. Since the AWS APIs are not
uniform (e.g. EC2 versus Lambda) this will work without modification for some (Lambda) and others may need modification
before using these values (such as EC2, with requires the tags to unset to be in the form [{'Key': key1}, {'Key': key2}]).