39e6075f29
merge_configs can now check if the destination file has the same content will be written. This information is used to inform ansible no change has occured Closes-Bug: 1471514 Change-Id: I78bce04505349d5aafbb027fd3f7d76ab6eccf6a
97 lines
2.4 KiB
Python
97 lines
2.4 KiB
Python
#!/usr/bin/python
|
|
|
|
# Copyright 2015 Sam Yaple
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: merge_configs
|
|
short_description: Merge ini-style configs
|
|
description:
|
|
- ConfigParser is used to merge several ini-style configs into one
|
|
options:
|
|
dest:
|
|
description:
|
|
- The destination file name
|
|
required: True
|
|
type: str
|
|
sources:
|
|
description:
|
|
- A list of files on the destination node to merge together
|
|
default: None
|
|
required: True
|
|
type: str
|
|
author: Sam Yaple
|
|
'''
|
|
|
|
EXAMPLES = '''
|
|
Merge multiple configs:
|
|
|
|
- hosts: database
|
|
tasks:
|
|
- name: Merge configs
|
|
merge_configs:
|
|
sources:
|
|
- "/tmp/config_1.cnf"
|
|
- "/tmp/config_2.cnf"
|
|
- "/tmp/config_3.cnf"
|
|
dest:
|
|
- "/etc/mysql/my.cnf"
|
|
'''
|
|
|
|
import ConfigParser
|
|
from hashlib import sha1
|
|
from StringIO import StringIO
|
|
|
|
def main():
|
|
module = AnsibleModule(
|
|
argument_spec = dict(
|
|
sources = dict(required=True, type='list'),
|
|
dest = dict(required=True, type='str'),
|
|
)
|
|
)
|
|
|
|
try:
|
|
sources = module.params.pop('sources')
|
|
dest = module.params.pop('dest')
|
|
|
|
changed = False
|
|
dest_digest = None
|
|
fakedest = StringIO()
|
|
|
|
config = ConfigParser.ConfigParser()
|
|
|
|
for source_file in sources:
|
|
config.read(source_file)
|
|
|
|
if os.path.exists(dest) and os.access(dest, os.R_OK):
|
|
config.write(fakedest)
|
|
with open(dest, 'rb') as f:
|
|
dest_digest = sha1(f.read()).hexdigest()
|
|
|
|
if dest_digest != sha1(fakedest.getvalue()).hexdigest():
|
|
changed = True
|
|
with open(dest, 'wb') as f:
|
|
config.write(f)
|
|
|
|
module.exit_json(changed=changed)
|
|
except Exception, e:
|
|
module.exit_json(failed=True, changed=changed, msg=repr(e))
|
|
|
|
|
|
# import module snippets
|
|
from ansible.module_utils.basic import *
|
|
if __name__ == '__main__':
|
|
main()
|