ansible/mongodb_user

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2013-01-31 15:48:58 +01:00
#!/usr/bin/python
# (c) 2012, Elliott Foster <elliott@fourkitchens.com>
# Sponsored by Four Kitchens http://fourkitchens.com.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: mongodb_user
short_description: Adds or removes a user from a MongoDB database.
description:
- Adds or removes a user from a MongoDB database.
version_added: "0.X"
options:
login_user:
description:
- The username used to authenticate with
required: false
default: null
login_password:
description:
- The password used to authenticate with
required: false
default: null
login_host:
description:
- The host running the database
required: false
default: localhost
login_port
description:
- The port to connect to
required: false
default: 27017
database:
description:
- The name of the database to add/remove the user from
required: true
user:
description:
- The name of the user to add or remove
required: true
default: null
password:
description:
- The password to use for the user
required: false
default: null
state:
state:
description:
- The database user state
required: false
default: present
choices: [ "present", "absent" ]
examples:
- code: "mongodb_user: database=burgers name=bob password=12345 state=present"
description: Create 'burgers' database user with name 'bob' and password '12345'.
- code: "mongodb_user: database=burgers name=bob state=absent"
description: Delete 'burgers' database user with name 'bob'.
notes:
- Requires the pymongo Python package on teh remote host, version 2.4.2+. This
can be installed using pip. @see http://api.mongodb.org/python/current/installation.html
requirements: [ "pymongo" ]
author: Elliott Foster
'''
import ConfigParser
try:
from pymongo import MongoClient
from pymongo.errors import ConnectionFailure
from pymongo.errors import OperationFailure
except ImportError:
pymongo_found = False
else:
pymongo_found = True
# =========================================
# MongoDB module specific support methods.
#
def user_add(client, db_name, user, password):
try:
db = client[db_name]
db.add_user(user, password)
except OperationFailure:
return False
return True
def user_remove(client, db_name, user):
try:
db = client[db_name]
db.remove_user(user)
except OperationFailure:
return False
return True
def load_mongocnf():
config = ConfigParser.RawConfigParser()
mongocnf = os.path.expanduser('~/.mongodb.cnf')
if not os.path.exists(mongocnf):
return False
try:
config.readfp(open(mongocnf))
creds = dict(
user=config.get('client', 'user'),
password=config.get('client', 'pass')
)
except (ConfigParser.NoOptionError, IOError):
return False
return creds
# =========================================
# Module execution.
#
def main():
module = AnsibleModule(
argument_spec = dict(
login_user=dict(default=None),
login_password=dict(default=None),
login_host=dict(default='localhost'),
login_port=dict(default='27017'),
database=dict(required=True, aliases=['db']),
user=dict(required=True, aliases=['name']),
password=dict(aliases=['pass']),
state=dict(default='present', choices=['absent', 'present']),
)
)
if not pymongo_found:
module.fail_json(msg='the python pymongo module is required')
login_user = module.params['login_user']
login_password = module.params['login_password']
login_host = module.params['login_host']
login_port = module.params['login_port']
db_name = module.params['database']
user = module.params['user']
password = module.params['password']
state = module.params['state']
try:
client = MongoClient(login_host, int(login_port))
if login_user is None and login_password is None:
mongocnf_creds = load_mongocnf()
if mongocnf_creds is not False:
login_user = mongocnf_creds['user']
login_password = mongocnf_creds['password']
elif login_password is None and login_user is not None:
module.fail_json(msg='when supplying login arguments, both login_user and login_password must be provided')
if login_user is not None and login_password is not None:
client.admin.authenticate(login_user, login_password)
except ConnectionFailure as e:
module.fail_json(msg='unable to connect to database, check login_user and login_password are correct')
if state == 'present':
if password is None:
module.fail_json(msg='password parameter required when adding a user')
if user_add(client, db_name, user, password) is not True:
module.fail_json(msg='Unable to add or update user, check login_user and login_password are correct and that this user has access to the admin collection')
elif state == 'absent':
if user_remove(client, db_name, user) is not True:
module.fail_json(msg='Unable to remove user, check login_user and login_password are correct and that this user has access to the admin collection')
module.exit_json(changed=True, user=user)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()