53c0ada479
There is no benefit to hashing in merge_configs.py In fact, the opposite is true, hashes can collide. This does a direct compare rather than hash. Change-Id: I9ab7af13e813e2267984092027daf1658faf5bf3 Closes-Bug: #1478494
98 lines
2.4 KiB
Python
98 lines
2.4 KiB
Python
#!/usr/bin/python
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# Copyright 2015 Sam Yaple
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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DOCUMENTATION = '''
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---
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module: merge_configs
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short_description: Merge ini-style configs
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description:
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- ConfigParser is used to merge several ini-style configs into one
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options:
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dest:
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description:
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- The destination file name
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required: True
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type: str
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sources:
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description:
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- A list of files on the destination node to merge together
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default: None
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required: True
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type: str
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author: Sam Yaple
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'''
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EXAMPLES = '''
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Merge multiple configs:
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- hosts: database
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tasks:
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- name: Merge configs
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merge_configs:
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sources:
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- "/tmp/config_1.cnf"
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- "/tmp/config_2.cnf"
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- "/tmp/config_3.cnf"
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dest:
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- "/etc/mysql/my.cnf"
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'''
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from ConfigParser import ConfigParser
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from cStringIO import StringIO
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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sources = dict(required=True, type='list'),
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dest = dict(required=True, type='str'),
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)
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)
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try:
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sources = module.params.pop('sources')
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dest = module.params.pop('dest')
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changed = False
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config = ConfigParser()
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for source_file in sources:
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config.read(source_file)
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if os.path.exists(dest) and os.access(dest, os.R_OK):
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fakedest = StringIO()
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config.write(fakedest)
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with open(dest, 'rb') as f:
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files_match = f.read() == fakedest.getvalue()
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else:
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files_match = False
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if not files_match:
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changed = True
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with open(dest, 'wb') as f:
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config.write(f)
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module.exit_json(changed=changed)
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except Exception, e:
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module.exit_json(failed=True, changed=changed, msg=repr(e))
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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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