90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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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
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# 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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import re
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from ansible.module_utils.basic import AnsibleModule
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from yaml import safe_load as yaml_safe_load
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DOCUMENTATION = '''
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---
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module: haproxy_conf
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short_description: Gather the HAProxy config
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description:
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- Gather the HAProxy config
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options:
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path:
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required: true
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description:
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- file path to the config file
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type: str
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author: "Tomas Sedovic"
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'''
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EXAMPLES = '''
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- hosts: webservers
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tasks:
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- name: Gather the HAProxy config
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haproxy_conf: path=/etc/haproxy/haproxy.cfg
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'''
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# ConfigParser chokes on both mariadb and haproxy files. Luckily They have
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# a syntax approaching ini config file so they are relatively easy to parse.
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# This generic ini style config parser is not perfect -- it can ignore some
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# valid options -- but good enough for our use case.
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def generic_ini_style_conf_parser(file_path, section_regex, option_regex):
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config = {}
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current_section = None
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with open(file_path) as config_file:
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for line in config_file:
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match_section = re.match(section_regex, line)
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if match_section:
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current_section = match_section.group(1)
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config[current_section] = {}
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match_option = re.match(option_regex, line)
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if match_option and current_section:
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option = re.sub(r'\s+', ' ', match_option.group(1))
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config[current_section][option] = match_option.group(2)
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return config
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def parse_haproxy_conf(file_path):
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section_regex = r'^(\w+)'
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option_regex = r'^(?:\s+)(\w+(?:\s+\w+)*?)\s+([\w/]*)$'
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return generic_ini_style_conf_parser(file_path, section_regex,
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option_regex)
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def main():
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module = AnsibleModule(
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argument_spec=yaml_safe_load(DOCUMENTATION)['options']
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)
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haproxy_conf_path = module.params.get('path')
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try:
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config = parse_haproxy_conf(haproxy_conf_path)
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except IOError:
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module.fail_json(msg="Could not open the haproxy conf file at: '%s'" %
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haproxy_conf_path)
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module.exit_json(changed=False, ansible_facts={u'haproxy_conf': config})
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if __name__ == '__main__':
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main()
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