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jumpserver/apps/ops/ansible/modules/mongodb_user.py

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#!/usr/bin/python
# Modified from ansible_collections.community.mongodb.plugins.modules.mongodb_user
from __future__ import absolute_import, division, print_function
__metaclass__ = type
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: "1.0.0"
extends_documentation_fragment:
- community.mongodb.login_options
- community.mongodb.ssl_options
options:
replica_set:
description:
- Replica set to connect to (automatically connects to primary for writes).
type: str
database:
description:
- The name of the database to add/remove the user from.
required: true
type: str
aliases: [db]
name:
description:
- The name of the user to add or remove.
required: true
aliases: [user]
type: str
password:
description:
- The password to use for the user.
type: str
aliases: [pass]
roles:
type: list
elements: raw
description:
- >
The database user roles valid values could either be one or more of the following strings:
'read', 'readWrite', 'dbAdmin', 'userAdmin', 'clusterAdmin', 'readAnyDatabase', 'readWriteAnyDatabase', 'userAdminAnyDatabase',
'dbAdminAnyDatabase'
- "Or the following dictionary '{ db: DATABASE_NAME, role: ROLE_NAME }'."
- "This param requires pymongo 2.5+. If it is a string, mongodb 2.4+ is also required. If it is a dictionary, mongo 2.6+ is required."
state:
description:
- The database user state.
default: present
choices: [absent, present]
type: str
update_password:
default: always
choices: [always, on_create]
description:
- C(always) will always update passwords and cause the module to return changed.
- C(on_create) will only set the password for newly created users.
- This must be C(always) to use the localhost exception when adding the first admin user.
- This option is effectively ignored when using x.509 certs. It is defaulted to 'on_create' to maintain a \
a specific module behaviour when the login_database is '$external'.
type: str
create_for_localhost_exception:
type: path
description:
- This is parmeter is only useful for handling special treatment around the localhost exception.
- If C(login_user) is defined, then the localhost exception is not active and this parameter has no effect.
- If this file is NOT present (and C(login_user) is not defined), then touch this file after successfully adding the user.
- If this file is present (and C(login_user) is not defined), then skip this task.
notes:
- Requires the pymongo Python package on the remote host, version 2.4.2+. This
can be installed using pip or the OS package manager. Newer mongo server versions require newer
pymongo versions. @see http://api.mongodb.org/python/current/installation.html
requirements:
- "pymongo"
author:
- "Elliott Foster (@elliotttf)"
- "Julien Thebault (@Lujeni)"
'''
EXAMPLES = '''
- name: Create 'burgers' database user with name 'bob' and password '12345'.
community.mongodb.mongodb_user:
database: burgers
name: bob
password: 12345
state: present
- name: Create a database user via SSL (MongoDB must be compiled with the SSL option and configured properly)
community.mongodb.mongodb_user:
database: burgers
name: bob
password: 12345
state: present
ssl: True
- name: Delete 'burgers' database user with name 'bob'.
community.mongodb.mongodb_user:
database: burgers
name: bob
state: absent
- name: Define more users with various specific roles (if not defined, no roles is assigned, and the user will be added via pre mongo 2.2 style)
community.mongodb.mongodb_user:
database: burgers
name: ben
password: 12345
roles: read
state: present
- name: Define roles
community.mongodb.mongodb_user:
database: burgers
name: jim
password: 12345
roles: readWrite,dbAdmin,userAdmin
state: present
- name: Define roles
community.mongodb.mongodb_user:
database: burgers
name: joe
password: 12345
roles: readWriteAnyDatabase
state: present
- name: Add a user to database in a replica set, the primary server is automatically discovered and written to
community.mongodb.mongodb_user:
database: burgers
name: bob
replica_set: belcher
password: 12345
roles: readWriteAnyDatabase
state: present
# add a user 'oplog_reader' with read only access to the 'local' database on the replica_set 'belcher'. This is useful for oplog access (MONGO_OPLOG_URL).
# please notice the credentials must be added to the 'admin' database because the 'local' database is not synchronized and can't receive user credentials
# To login with such user, the connection string should be MONGO_OPLOG_URL="mongodb://oplog_reader:oplog_reader_password@server1,server2/local?authSource=admin"
# This syntax requires mongodb 2.6+ and pymongo 2.5+
- name: Roles as a dictionary
community.mongodb.mongodb_user:
login_user: root
login_password: root_password
database: admin
user: oplog_reader
password: oplog_reader_password
state: present
replica_set: belcher
roles:
- db: local
role: read
- name: Adding a user with X.509 Member Authentication
community.mongodb.mongodb_user:
login_host: "mongodb-host.test"
login_port: 27001
login_database: "$external"
database: "admin"
name: "admin"
password: "test"
roles:
- dbAdminAnyDatabase
ssl: true
ssl_ca_certs: "/tmp/ca.crt"
ssl_certfile: "/tmp/tls.key" #cert and key in one file
state: present
auth_mechanism: "MONGODB-X509"
connection_options:
- "tlsAllowInvalidHostnames=true"
'''
RETURN = '''
user:
description: The name of the user to add or remove.
returned: success
type: str
'''
import os
import traceback
from operator import itemgetter
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import binary_type, text_type
from ansible.module_utils._text import to_native, to_bytes
from ansible_collections.community.mongodb.plugins.module_utils.mongodb_common import (
missing_required_lib,
mongodb_common_argument_spec,
mongo_auth,
PYMONGO_IMP_ERR,
pymongo_found,
get_mongodb_client,
)
def user_find(client, user, db_name):
"""Check if the user exists.
Args:
client (cursor): Mongodb cursor on admin database.
user (str): User to check.
db_name (str): User's database.
Returns:
dict: when user exists, False otherwise.
"""
try:
for mongo_user in client[db_name].command('usersInfo')['users']:
if mongo_user['user'] == user:
# NOTE: there is no 'db' field in mongo 2.4.
if 'db' not in mongo_user:
return mongo_user
# Workaround to make the condition works with AWS DocumentDB,
# since all users are in the admin database.
if mongo_user["db"] in [db_name, "admin"]:
return mongo_user
except Exception as excep:
if hasattr(excep, 'code') and excep.code == 11: # 11=UserNotFound
pass # Allow return False
else:
raise
return False
def user_add(module, client, db_name, user, password, roles):
# pymongo's user_add is a _create_or_update_user so we won't know if it was changed or updated
# without reproducing a lot of the logic in database.py of pymongo
db = client[db_name]
try:
exists = user_find(client, user, db_name)
except Exception as excep:
# We get this exception: "not authorized on admin to execute command"
# when auth is enabled on a new instance. The loalhost exception should
# allow us to create the first user. If the localhost exception does not apply,
# then user creation will also fail with unauthorized. So, ignore Unauthorized here.
if hasattr(excep, 'code') and excep.code == 13: # 13=Unauthorized
exists = False
else:
raise
if exists:
user_add_db_command = 'updateUser'
if not roles:
roles = None
else:
user_add_db_command = 'createUser'
user_dict = {}
if password is not None:
user_dict["pwd"] = password
if roles is not None:
user_dict["roles"] = roles
db.command(user_add_db_command, user, **user_dict)
def user_remove(module, client, db_name, user):
exists = user_find(client, user, db_name)
if exists:
if module.check_mode:
module.exit_json(changed=True, user=user)
db = client[db_name]
db.command("dropUser", user)
else:
module.exit_json(changed=False, user=user)
def check_if_roles_changed(uinfo, roles, db_name):
# We must be aware of users which can read the oplog on a replicaset
# Such users must have access to the local DB, but since this DB does not store users credentials
# and is not synchronized among replica sets, the user must be stored on the admin db
# Therefore their structure is the following :
# {
# "_id" : "admin.oplog_reader",
# "user" : "oplog_reader",
# "db" : "admin", # <-- admin DB
# "roles" : [
# {
# "role" : "read",
# "db" : "local" # <-- local DB
# }
# ]
# }
def make_sure_roles_are_a_list_of_dict(roles, db_name):
output = list()
for role in roles:
if isinstance(role, (binary_type, text_type)):
new_role = {"role": role, "db": db_name}
output.append(new_role)
else:
output.append(role)
return output
roles_as_list_of_dict = make_sure_roles_are_a_list_of_dict(roles, db_name)
uinfo_roles = uinfo.get('roles', [])
if sorted(roles_as_list_of_dict, key=itemgetter('db')) == sorted(uinfo_roles, key=itemgetter('db')):
return False
return True
# =========================================
# Module execution.
#
def main():
argument_spec = mongodb_common_argument_spec()
argument_spec.update(
database=dict(required=True, aliases=['db']),
name=dict(required=True, aliases=['user']),
password=dict(aliases=['pass'], no_log=True),
replica_set=dict(default=None),
roles=dict(default=None, type='list', elements='raw'),
state=dict(default='present', choices=['absent', 'present']),
update_password=dict(default="always", choices=["always", "on_create"], no_log=False),
create_for_localhost_exception=dict(default=None, type='path'),
)
module = AnsibleModule(
argument_spec=argument_spec,
supports_check_mode=True,
)
login_user = module.params['login_user']
# Certs don't have a password but we want this module behaviour
if module.params['login_database'] == '$external':
module.params['update_password'] = 'on_create'
if not pymongo_found:
module.fail_json(msg=missing_required_lib('pymongo'),
exception=PYMONGO_IMP_ERR)
create_for_localhost_exception = module.params['create_for_localhost_exception']
b_create_for_localhost_exception = (
to_bytes(create_for_localhost_exception, errors='surrogate_or_strict')
if create_for_localhost_exception is not None else None
)
db_name = module.params['database']
user = module.params['name']
password = module.params['password']
roles = module.params['roles'] or []
state = module.params['state']
update_password = module.params['update_password']
try:
directConnection = False
if module.params['replica_set'] is None:
directConnection = True
client = get_mongodb_client(module, directConnection=directConnection)
client = mongo_auth(module, client, directConnection=directConnection)
except Exception as e:
module.fail_json(msg='Unable to connect to database: %s' % to_native(e))
if state == 'present':
if password is None and update_password == 'always':
module.fail_json(msg='password parameter required when adding a user unless update_password is set to on_create')
if login_user is None and create_for_localhost_exception is not None:
if os.path.exists(b_create_for_localhost_exception):
try:
client.close()
except Exception:
pass
module.exit_json(changed=False, user=user, skipped=True, msg="The path in create_for_localhost_exception exists.")
try:
if update_password != 'always':
uinfo = user_find(client, user, db_name)
if uinfo:
password = None
if not check_if_roles_changed(uinfo, roles, db_name):
module.exit_json(changed=False, user=user)
if module.check_mode:
module.exit_json(changed=True, user=user)
user_add(module, client, db_name, user, password, roles)
except Exception as e:
module.fail_json(msg='Unable to add or update user: %s' % to_native(e), exception=traceback.format_exc())
finally:
try:
client.close()
except Exception:
pass
# Here we can check password change if mongo provide a query for that : https://jira.mongodb.org/browse/SERVER-22848
# newuinfo = user_find(client, user, db_name)
# if uinfo['role'] == newuinfo['role'] and CheckPasswordHere:
# module.exit_json(changed=False, user=user)
if login_user is None and create_for_localhost_exception is not None:
# localhost exception applied.
try:
# touch the file
open(b_create_for_localhost_exception, 'wb').close()
except Exception as e:
module.fail_json(
changed=True,
msg='Added user but unable to touch create_for_localhost_exception file %s: %s' % (create_for_localhost_exception, to_native(e)),
exception=traceback.format_exc()
)
elif state == 'absent':
try:
user_remove(module, client, db_name, user)
except Exception as e:
module.fail_json(msg='Unable to remove user: %s' % to_native(e), exception=traceback.format_exc())
finally:
try:
client.close()
except Exception:
pass
module.exit_json(changed=True, user=user)
if __name__ == '__main__':
main()
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