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community.general/plugins/modules/keycloak_realm_rolemapping.py
Alexander Groß f7bc6964be
Add keycloak_realm_rolemapping module to map realm roles to groups (#7663) 
* Add keycloak_realm_rolemapping module to map realm roles to groups

* Whitespace

* Description in plain English

* Casing

* Update error reporting as per #7645

* Add agross as maintainer of keycloak_realm_rolemapping module

* cid and client_id are not used here

* Credit other authors

* mhuysamen submitted #7645
* Gaetan2907 authored keycloak_client_rolemapping.py which I took as a
  basis

* Add integration tests

* With Keycloak 23 realmRoles are only returned if assigned

* Remove debug statement

* Add test verifying that unmap works when no realm roles are assigned

* Add license to readme

* Change version number this module was added

* Document which versions of the docker images have been tested

* Downgrade version_added

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
2023-12-28 18:11:32 +01:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) Ansible project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
---
module: keycloak_realm_rolemapping
short_description: Allows administration of Keycloak realm role mappings into groups with the Keycloak API
version_added: 8.2.0
description:
- This module allows you to add, remove or modify Keycloak realm role
mappings into groups with the Keycloak REST API. It requires access to the
REST API via OpenID Connect; the user connecting and the client being used
must have the requisite access rights. In a default Keycloak installation,
admin-cli and an admin user would work, as would a separate client
definition with the scope tailored to your needs and a user having the
expected roles.
- The names of module options are snake_cased versions of the camelCase ones found in the
Keycloak API and its documentation at U(https://www.keycloak.org/docs-api/18.0/rest-api/index.html).
- Attributes are multi-valued in the Keycloak API. All attributes are lists of individual values and will
be returned that way by this module. You may pass single values for attributes when calling the module,
and this will be translated into a list suitable for the API.
- When updating a group_rolemapping, where possible provide the role ID to the module. This removes a lookup
to the API to translate the name into the role ID.
attributes:
check_mode:
support: full
diff_mode:
support: full
options:
state:
description:
- State of the realm_rolemapping.
- On C(present), the realm_rolemapping will be created if it does not yet exist, or updated with the parameters you provide.
- On C(absent), the realm_rolemapping will be removed if it exists.
default: 'present'
type: str
choices:
- present
- absent
realm:
type: str
description:
- They Keycloak realm under which this role_representation resides.
default: 'master'
group_name:
type: str
description:
- Name of the group to be mapped.
- This parameter is required (can be replaced by gid for less API call).
parents:
type: list
description:
- List of parent groups for the group to handle sorted top to bottom.
- >-
Set this if your group is a subgroup and you do not provide the GID in O(gid).
elements: dict
suboptions:
id:
type: str
description:
- Identify parent by ID.
- Needs less API calls than using O(parents[].name).
- A deep parent chain can be started at any point when first given parent is given as ID.
- Note that in principle both ID and name can be specified at the same time
but current implementation only always use just one of them, with ID
being preferred.
name:
type: str
description:
- Identify parent by name.
- Needs more internal API calls than using O(parents[].id) to map names to ID's under the hood.
- When giving a parent chain with only names it must be complete up to the top.
- Note that in principle both ID and name can be specified at the same time
but current implementation only always use just one of them, with ID
being preferred.
gid:
type: str
description:
- ID of the group to be mapped.
- This parameter is not required for updating or deleting the rolemapping but
providing it will reduce the number of API calls required.
roles:
description:
- Roles to be mapped to the group.
type: list
elements: dict
suboptions:
name:
type: str
description:
- Name of the role_representation.
- This parameter is required only when creating or updating the role_representation.
id:
type: str
description:
- The unique identifier for this role_representation.
- This parameter is not required for updating or deleting a role_representation but
providing it will reduce the number of API calls required.
extends_documentation_fragment:
- community.general.keycloak
- community.general.attributes
author:
- Gaëtan Daubresse (@Gaetan2907)
- Marius Huysamen (@mhuysamen)
- Alexander Groß (@agross)
'''
EXAMPLES = '''
- name: Map a client role to a group, authentication with credentials
community.general.keycloak_realm_rolemapping:
realm: MyCustomRealm
auth_client_id: admin-cli
auth_keycloak_url: https://auth.example.com/auth
auth_realm: master
auth_username: USERNAME
auth_password: PASSWORD
state: present
group_name: group1
roles:
- name: role_name1
id: role_id1
- name: role_name2
id: role_id2
delegate_to: localhost
- name: Map a client role to a group, authentication with token
community.general.keycloak_realm_rolemapping:
realm: MyCustomRealm
auth_client_id: admin-cli
auth_keycloak_url: https://auth.example.com/auth
token: TOKEN
state: present
group_name: group1
roles:
- name: role_name1
id: role_id1
- name: role_name2
id: role_id2
delegate_to: localhost
- name: Map a client role to a subgroup, authentication with token
community.general.keycloak_realm_rolemapping:
realm: MyCustomRealm
auth_client_id: admin-cli
auth_keycloak_url: https://auth.example.com/auth
token: TOKEN
state: present
group_name: subgroup1
parents:
- name: parent-group
roles:
- name: role_name1
id: role_id1
- name: role_name2
id: role_id2
delegate_to: localhost
- name: Unmap realm role from a group
community.general.keycloak_realm_rolemapping:
realm: MyCustomRealm
auth_client_id: admin-cli
auth_keycloak_url: https://auth.example.com/auth
auth_realm: master
auth_username: USERNAME
auth_password: PASSWORD
state: absent
group_name: group1
roles:
- name: role_name1
id: role_id1
- name: role_name2
id: role_id2
delegate_to: localhost
'''
RETURN = '''
msg:
description: Message as to what action was taken.
returned: always
type: str
sample: "Role role1 assigned to group group1."
proposed:
description: Representation of proposed client role mapping.
returned: always
type: dict
sample: {
clientId: "test"
}
existing:
description:
- Representation of existing client role mapping.
- The sample is truncated.
returned: always
type: dict
sample: {
"adminUrl": "http://www.example.com/admin_url",
"attributes": {
"request.object.signature.alg": "RS256",
}
}
end_state:
description:
- Representation of client role mapping after module execution.
- The sample is truncated.
returned: on success
type: dict
sample: {
"adminUrl": "http://www.example.com/admin_url",
"attributes": {
"request.object.signature.alg": "RS256",
}
}
'''
from ansible_collections.community.general.plugins.module_utils.identity.keycloak.keycloak import (
KeycloakAPI, keycloak_argument_spec, get_token, KeycloakError,
)
from ansible.module_utils.basic import AnsibleModule
def main():
"""
Module execution
:return:
"""
argument_spec = keycloak_argument_spec()
roles_spec = dict(
name=dict(type='str'),
id=dict(type='str'),
)
meta_args = dict(
state=dict(default='present', choices=['present', 'absent']),
realm=dict(default='master'),
gid=dict(type='str'),
group_name=dict(type='str'),
parents=dict(
type='list', elements='dict',
options=dict(
id=dict(type='str'),
name=dict(type='str')
),
),
roles=dict(type='list', elements='dict', options=roles_spec),
)
argument_spec.update(meta_args)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True,
required_one_of=([['token', 'auth_realm', 'auth_username', 'auth_password']]),
required_together=([['auth_realm', 'auth_username', 'auth_password']]))
result = dict(changed=False, msg='', diff={}, proposed={}, existing={}, end_state={})
# Obtain access token, initialize API
try:
connection_header = get_token(module.params)
except KeycloakError as e:
module.fail_json(msg=str(e))
kc = KeycloakAPI(module, connection_header)
realm = module.params.get('realm')
state = module.params.get('state')
gid = module.params.get('gid')
group_name = module.params.get('group_name')
roles = module.params.get('roles')
parents = module.params.get('parents')
# Check the parameters
if gid is None and group_name is None:
module.fail_json(msg='Either the `group_name` or `gid` has to be specified.')
# Get the potential missing parameters
if gid is None:
group_rep = kc.get_group_by_name(group_name, realm=realm, parents=parents)
if group_rep is not None:
gid = group_rep['id']
else:
module.fail_json(msg='Could not fetch group %s:' % group_name)
else:
group_rep = kc.get_group_by_groupid(gid, realm=realm)
if roles is None:
module.exit_json(msg="Nothing to do (no roles specified).")
else:
for role_index, role in enumerate(roles, start=0):
if role['name'] is None and role['id'] is None:
module.fail_json(msg='Either the `name` or `id` has to be specified on each role.')
# Fetch missing role_id
if role['id'] is None:
role_rep = kc.get_realm_role(role['name'], realm=realm)
if role_rep is not None:
role['id'] = role_rep['id']
else:
module.fail_json(msg='Could not fetch realm role %s by name:' % (role['name']))
# Fetch missing role_name
else:
for realm_role in kc.get_realm_roles(realm=realm):
if realm_role['id'] == role['id']:
role['name'] = realm_role['name']
break
if role['name'] is None:
module.fail_json(msg='Could not fetch realm role %s by ID' % (role['id']))
assigned_roles_before = group_rep.get('realmRoles', [])
result['existing'] = assigned_roles_before
result['proposed'] = list(assigned_roles_before) if assigned_roles_before else []
update_roles = []
for role_index, role in enumerate(roles, start=0):
# Fetch roles to assign if state present
if state == 'present':
if any(assigned == role['name'] for assigned in assigned_roles_before):
pass
else:
update_roles.append({
'id': role['id'],
'name': role['name'],
})
result['proposed'].append(role['name'])
# Fetch roles to remove if state absent
else:
if any(assigned == role['name'] for assigned in assigned_roles_before):
update_roles.append({
'id': role['id'],
'name': role['name'],
})
if role['name'] in result['proposed']: # Handle double removal
result['proposed'].remove(role['name'])
if len(update_roles):
result['changed'] = True
if module._diff:
result['diff'] = dict(before=assigned_roles_before, after=result['proposed'])
if module.check_mode:
module.exit_json(**result)
if state == 'present':
# Assign roles
kc.add_group_realm_rolemapping(gid=gid, role_rep=update_roles, realm=realm)
result['msg'] = 'Realm roles %s assigned to groupId %s.' % (update_roles, gid)
else:
# Remove mapping of role
kc.delete_group_realm_rolemapping(gid=gid, role_rep=update_roles, realm=realm)
result['msg'] = 'Realm roles %s removed from groupId %s.' % (update_roles, gid)
if gid is None:
assigned_roles_after = kc.get_group_by_name(group_name, realm=realm, parents=parents).get('realmRoles', [])
else:
assigned_roles_after = kc.get_group_by_groupid(gid, realm=realm).get('realmRoles', [])
result['end_state'] = assigned_roles_after
module.exit_json(**result)
# Do nothing
else:
result['changed'] = False
result['msg'] = 'Nothing to do, roles %s are %s with group %s.' % (roles, 'mapped' if state == 'present' else 'not mapped', group_name)
module.exit_json(**result)
if __name__ == '__main__':
main()
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