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community.general/plugins/module_utils/mysql.py

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2020-03-09 10:11:07 +01:00
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c), Jonathan Mainguy <jon@soh.re>, 2015
# Most of this was originally added by Sven Schliesing @muffl0n in the mysql_user.py module
#
# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
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import os
from ansible.module_utils.six.moves import configparser
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try:
import pymysql as mysql_driver
_mysql_cursor_param = 'cursor'
except ImportError:
try:
import MySQLdb as mysql_driver
import MySQLdb.cursors
_mysql_cursor_param = 'cursorclass'
except ImportError:
mysql_driver = None
mysql_driver_fail_msg = 'The PyMySQL (Python 2.7 and Python 3.X) or MySQL-python (Python 2.X) module is required.'
def parse_from_mysql_config_file(cnf):
cp = configparser.ConfigParser()
cp.read(cnf)
return cp
def mysql_connect(module, login_user=None, login_password=None, config_file='', ssl_cert=None,
ssl_key=None, ssl_ca=None, db=None, cursor_class=None,
connect_timeout=30, autocommit=False, config_overrides_defaults=False):
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config = {}
if config_file and os.path.exists(config_file):
config['read_default_file'] = config_file
cp = parse_from_mysql_config_file(config_file)
# Override some commond defaults with values from config file if needed
if cp and cp.has_section('client') and config_overrides_defaults:
try:
module.params['login_host'] = cp.get('client', 'host', fallback=module.params['login_host'])
module.params['login_port'] = cp.getint('client', 'port', fallback=module.params['login_port'])
except Exception as e:
if "got an unexpected keyword argument 'fallback'" in e.message:
module.fail_json('To use config_overrides_defaults, '
'it needs Python 3.5+ as the default interpreter on a target host')
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if ssl_ca is not None or ssl_key is not None or ssl_cert is not None:
config['ssl'] = {}
if module.params['login_unix_socket']:
config['unix_socket'] = module.params['login_unix_socket']
else:
config['host'] = module.params['login_host']
config['port'] = module.params['login_port']
# If login_user or login_password are given, they should override the
# config file
if login_user is not None:
config['user'] = login_user
if login_password is not None:
config['passwd'] = login_password
if ssl_cert is not None:
config['ssl']['cert'] = ssl_cert
if ssl_key is not None:
config['ssl']['key'] = ssl_key
if ssl_ca is not None:
config['ssl']['ca'] = ssl_ca
if db is not None:
config['db'] = db
if connect_timeout is not None:
config['connect_timeout'] = connect_timeout
if _mysql_cursor_param == 'cursor':
# In case of PyMySQL driver:
db_connection = mysql_driver.connect(autocommit=autocommit, **config)
else:
# In case of MySQLdb driver
db_connection = mysql_driver.connect(**config)
if autocommit:
db_connection.autocommit(True)
if cursor_class == 'DictCursor':
return db_connection.cursor(**{_mysql_cursor_param: mysql_driver.cursors.DictCursor}), db_connection
else:
return db_connection.cursor(), db_connection
def mysql_common_argument_spec():
return dict(
login_user=dict(type='str', default=None),
login_password=dict(type='str', no_log=True),
login_host=dict(type='str', default='localhost'),
login_port=dict(type='int', default=3306),
login_unix_socket=dict(type='str'),
config_file=dict(type='path', default='~/.my.cnf'),
connect_timeout=dict(type='int', default=30),
client_cert=dict(type='path', aliases=['ssl_cert']),
client_key=dict(type='path', aliases=['ssl_key']),
ca_cert=dict(type='path', aliases=['ssl_ca']),
)