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community.general/plugins/modules/keycloak_realm_key.py
patchback[bot] ae4358d189
[PR #8823/ea389e70 backport][stable-8] bugfix(keycloak): fix parameters for realm key creation (#8839) 
bugfix(keycloak): fix parameters for realm key creation (#8823)

* bugfix(keycloak): fix parameters for realm key creation

* supply changelog fragment

* fix formatting

* fix formatting

* Update changelogs/fragments/8823-keycloak-realm-key.yml

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

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit ea389e7045)

Co-authored-by: Björn Bösel <bjoernboesel@gmail.com>
2024-09-08 14:45:55 +02:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2017, Eike Frost <ei@kefro.st>
# Copyright (c) 2021, Christophe Gilles <christophe.gilles54@gmail.com>
# 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_key
short_description: Allows administration of Keycloak realm keys via Keycloak API
version_added: 7.5.0
description:
- This module allows the administration of Keycloak realm keys via the Keycloak REST API. It
requires access to the REST API via OpenID Connect; the user connecting and the realm 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 realm 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/8.0/rest-api/index.html).
Aliases are provided so camelCased versions can be used as well.
- This module is unable to detect changes to the actual cryptographic key after importing it.
However, if some other property is changed alongside the cryptographic key, then the key
will also get changed as a side-effect, as the JSON payload needs to include the private key.
This can be considered either a bug or a feature, as the alternative would be to always
update the realm key whether it has changed or not.
- If certificate is not explicitly provided it will be dynamically created by Keycloak.
Therefore comparing the current state of the certificate to the desired state (which may be
empty) is not possible.
attributes:
check_mode:
support: full
diff_mode:
support: partial
options:
state:
description:
- State of the keycloak realm key.
- On V(present), the realm key will be created (or updated if it exists already).
- On V(absent), the realm key will be removed if it exists.
choices: ['present', 'absent']
default: 'present'
type: str
name:
description:
- Name of the realm key to create.
type: str
required: true
force:
description:
- Enforce the state of the private key and certificate. This is not automatically the
case as this module is unable to determine the current state of the private key and
thus cannot trigger an update based on an actual divergence. That said, a private key
update may happen even if force is false as a side-effect of other changes.
default: false
type: bool
parent_id:
description:
- The parent_id of the realm key. In practice the name of the realm.
type: str
required: true
provider_id:
description:
- The name of the "provider ID" for the key.
- The value V(rsa-enc) has been added in community.general 8.2.0.
choices: ['rsa', 'rsa-enc']
default: 'rsa'
type: str
config:
description:
- Dict specifying the key and its properties.
type: dict
suboptions:
active:
description:
- Whether they key is active or inactive. Not to be confused with the state
of the Ansible resource managed by the O(state) parameter.
default: true
type: bool
enabled:
description:
- Whether the key is enabled or disabled. Not to be confused with the state
of the Ansible resource managed by the O(state) parameter.
default: true
type: bool
priority:
description:
- The priority of the key.
type: int
required: true
algorithm:
description:
- Key algorithm.
- The values V(RS384), V(RS512), V(PS256), V(PS384), V(PS512), V(RSA1_5),
V(RSA-OAEP), V(RSA-OAEP-256) have been added in community.general 8.2.0.
default: RS256
choices: ['RS256', 'RS384', 'RS512', 'PS256', 'PS384', 'PS512', 'RSA1_5', 'RSA-OAEP', 'RSA-OAEP-256']
type: str
private_key:
description:
- The private key as an ASCII string. Contents of the key must match O(config.algorithm)
and O(provider_id).
- Please note that the module cannot detect whether the private key specified differs from the
current state's private key. Use O(force=true) to force the module to update the private key
if you expect it to be updated.
required: true
type: str
certificate:
description:
- A certificate signed with the private key as an ASCII string. Contents of the
key must match O(config.algorithm) and O(provider_id).
- If you want Keycloak to automatically generate a certificate using your private key
then set this to an empty string.
required: true
type: str
notes:
- Current value of the private key cannot be fetched from Keycloak.
Therefore comparing its desired state to the current state is not
possible.
- If certificate is not explicitly provided it will be dynamically created
by Keycloak. Therefore comparing the current state of the certificate to
the desired state (which may be empty) is not possible.
- Due to the private key and certificate options the module is
B(not fully idempotent). You can use O(force=true) to force the module
to always update if you know that the private key might have changed.
extends_documentation_fragment:
- community.general.keycloak
- community.general.attributes
author:
- Samuli Seppänen (@mattock)
'''
EXAMPLES = '''
- name: Manage Keycloak realm key (certificate autogenerated by Keycloak)
community.general.keycloak_realm_key:
name: custom
state: present
parent_id: master
provider_id: rsa
auth_keycloak_url: http://localhost:8080/auth
auth_username: keycloak
auth_password: keycloak
auth_realm: master
config:
private_key: "{{ private_key }}"
certificate: ""
enabled: true
active: true
priority: 120
algorithm: RS256
- name: Manage Keycloak realm key and certificate
community.general.keycloak_realm_key:
name: custom
state: present
parent_id: master
provider_id: rsa
auth_keycloak_url: http://localhost:8080/auth
auth_username: keycloak
auth_password: keycloak
auth_realm: master
config:
private_key: "{{ private_key }}"
certificate: "{{ certificate }}"
enabled: true
active: true
priority: 120
algorithm: RS256
'''
RETURN = '''
msg:
description: Message as to what action was taken.
returned: always
type: str
end_state:
description: Representation of the keycloak_realm_key after module execution.
returned: on success
type: dict
contains:
id:
description: ID of the realm key.
type: str
returned: when O(state=present)
sample: 5b7ec13f-99da-46ad-8326-ab4c73cf4ce4
name:
description: Name of the realm key.
type: str
returned: when O(state=present)
sample: mykey
parentId:
description: ID of the realm this key belongs to.
type: str
returned: when O(state=present)
sample: myrealm
providerId:
description: The ID of the key provider.
type: str
returned: when O(state=present)
sample: rsa
providerType:
description: The type of provider.
type: str
returned: when O(state=present)
config:
description: Realm key configuration.
type: dict
returned: when O(state=present)
sample: {
"active": ["true"],
"algorithm": ["RS256"],
"enabled": ["true"],
"priority": ["140"]
}
'''
from ansible_collections.community.general.plugins.module_utils.identity.keycloak.keycloak import KeycloakAPI, camel, \
keycloak_argument_spec, get_token, KeycloakError
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six.moves.urllib.parse import urlencode
from copy import deepcopy
def main():
"""
Module execution
:return:
"""
argument_spec = keycloak_argument_spec()
meta_args = dict(
state=dict(type='str', default='present', choices=['present', 'absent']),
name=dict(type='str', required=True),
force=dict(type='bool', default=False),
parent_id=dict(type='str', required=True),
provider_id=dict(type='str', default='rsa', choices=['rsa', 'rsa-enc']),
config=dict(
type='dict',
options=dict(
active=dict(type='bool', default=True),
enabled=dict(type='bool', default=True),
priority=dict(type='int', required=True),
algorithm=dict(
type="str",
default="RS256",
choices=[
"RS256",
"RS384",
"RS512",
"PS256",
"PS384",
"PS512",
"RSA1_5",
"RSA-OAEP",
"RSA-OAEP-256",
],
),
private_key=dict(type='str', required=True, no_log=True),
certificate=dict(type='str', required=True)
)
)
)
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']]))
# Initialize the result object. Only "changed" seems to have special
# meaning for Ansible.
result = dict(changed=False, msg='', end_state={}, diff=dict(before={}, after={}))
# This will include the current state of the realm key if it is already
# present. This is only used for diff-mode.
before_realm_key = {}
before_realm_key['config'] = {}
# 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)
params_to_ignore = list(keycloak_argument_spec().keys()) + ["state", "force", "parent_id"]
# Filter and map the parameters names that apply to the role
component_params = [x for x in module.params
if x not in params_to_ignore and
module.params.get(x) is not None]
# We only support one component provider type in this module
provider_type = 'org.keycloak.keys.KeyProvider'
# Build a proposed changeset from parameters given to this module
changeset = {}
changeset['config'] = {}
# Generate a JSON payload for Keycloak Admin API from the module
# parameters. Parameters that do not belong to the JSON payload (e.g.
# "state" or "auth_keycloal_url") have been filtered away earlier (see
# above).
#
# This loop converts Ansible module parameters (snake-case) into
# Keycloak-compatible format (camel-case). For example private_key
# becomes privateKey.
#
# It also converts bool, str and int parameters into lists with a single
# entry of 'str' type. Bool values are also lowercased. This is required
# by Keycloak.
#
for component_param in component_params:
if component_param == 'config':
for config_param in module.params.get('config'):
changeset['config'][camel(config_param)] = []
raw_value = module.params.get('config')[config_param]
if isinstance(raw_value, bool):
value = str(raw_value).lower()
else:
value = str(raw_value)
changeset['config'][camel(config_param)].append(value)
else:
# No need for camelcase in here as these are one word parameters
new_param_value = module.params.get(component_param)
changeset[camel(component_param)] = new_param_value
# As provider_type is not a module parameter we have to add it to the
# changeset explicitly.
changeset['providerType'] = provider_type
# Make a deep copy of the changeset. This is use when determining
# changes to the current state.
changeset_copy = deepcopy(changeset)
# It is not possible to compare current keys to desired keys, because the
# certificate parameter is a base64-encoded binary blob created on the fly
# when a key is added. Moreover, the Keycloak Admin API does not seem to
# return the value of the private key for comparison. So, in effect, it we
# just have to ignore changes to the keys. However, as the privateKey
# parameter needs be present in the JSON payload, any changes done to any
# other parameters (e.g. config.priority) will trigger update of the keys
# as a side-effect.
del changeset_copy['config']['privateKey']
del changeset_copy['config']['certificate']
# Make it easier to refer to current module parameters
name = module.params.get('name')
force = module.params.get('force')
state = module.params.get('state')
enabled = module.params.get('enabled')
provider_id = module.params.get('provider_id')
parent_id = module.params.get('parent_id')
# Get a list of all Keycloak components that are of keyprovider type.
realm_keys = kc.get_components(urlencode(dict(type=provider_type)), parent_id)
# If this component is present get its key ID. Confusingly the key ID is
# also known as the Provider ID.
key_id = None
# Track individual parameter changes
changes = ""
# This tells Ansible whether the key was changed (added, removed, modified)
result['changed'] = False
# Loop through the list of components. If we encounter a component whose
# name matches the value of the name parameter then assume the key is
# already present.
for key in realm_keys:
if key['name'] == name:
key_id = key['id']
changeset['id'] = key_id
changeset_copy['id'] = key_id
# Compare top-level parameters
for param, value in changeset.items():
before_realm_key[param] = key[param]
if changeset_copy[param] != key[param] and param != 'config':
changes += "%s: %s -> %s, " % (param, key[param], changeset_copy[param])
result['changed'] = True
# Compare parameters under the "config" key
for p, v in changeset_copy['config'].items():
before_realm_key['config'][p] = key['config'][p]
if changeset_copy['config'][p] != key['config'][p]:
changes += "config.%s: %s -> %s, " % (p, key['config'][p], changeset_copy['config'][p])
result['changed'] = True
# Sanitize linefeeds for the privateKey. Without this the JSON payload
# will be invalid.
changeset['config']['privateKey'][0] = changeset['config']['privateKey'][0].replace('\\n', '\n')
changeset['config']['certificate'][0] = changeset['config']['certificate'][0].replace('\\n', '\n')
# Check all the possible states of the resource and do what is needed to
# converge current state with desired state (create, update or delete
# the key).
if key_id and state == 'present':
if result['changed']:
if module._diff:
del before_realm_key['config']['privateKey']
del before_realm_key['config']['certificate']
result['diff'] = dict(before=before_realm_key, after=changeset_copy)
if module.check_mode:
result['msg'] = "Realm key %s would be changed: %s" % (name, changes.strip(", "))
else:
kc.update_component(changeset, parent_id)
result['msg'] = "Realm key %s changed: %s" % (name, changes.strip(", "))
elif not result['changed'] and force:
kc.update_component(changeset, parent_id)
result['changed'] = True
result['msg'] = "Realm key %s was forcibly updated" % (name)
else:
result['msg'] = "Realm key %s was in sync" % (name)
result['end_state'] = changeset_copy
elif key_id and state == 'absent':
if module._diff:
del before_realm_key['config']['privateKey']
del before_realm_key['config']['certificate']
result['diff'] = dict(before=before_realm_key, after={})
if module.check_mode:
result['changed'] = True
result['msg'] = "Realm key %s would be deleted" % (name)
else:
kc.delete_component(key_id, parent_id)
result['changed'] = True
result['msg'] = "Realm key %s deleted" % (name)
result['end_state'] = {}
elif not key_id and state == 'present':
if module._diff:
result['diff'] = dict(before={}, after=changeset_copy)
if module.check_mode:
result['changed'] = True
result['msg'] = "Realm key %s would be created" % (name)
else:
kc.create_component(changeset, parent_id)
result['changed'] = True
result['msg'] = "Realm key %s created" % (name)
result['end_state'] = changeset_copy
elif not key_id and state == 'absent':
result['changed'] = False
result['msg'] = "Realm key %s not present" % (name)
result['end_state'] = {}
module.exit_json(**result)
if __name__ == '__main__':
main()
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