validations-common/validations_common/library/haproxy_conf.py
Gael Chamoulaud (Strider) 894d1e125e Make file permission uniform and remove python shebangs
This patch also removes all the python shebangs for Ansible components.

Change-Id: I6883f718aa3bbc1297a59bdece28ab57993fa459
Signed-off-by: Gael Chamoulaud (Strider) <gchamoul@redhat.com>
2020-03-25 12:37:27 +00:00

88 lines
2.7 KiB
Python

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