# keystone.common.policies.role_assignment

# Source code for keystone.common.policies.role_assignment

    # Licensed under the Apache License, Version 2.0 (the "License"); you may
    # not use this file except in compliance with the License. You may obtain
    # a copy of the License at
    #
    #      http://www.apache.org/licenses/LICENSE-2.0
    #
    # Unless required by applicable law or agreed to in writing, software
    # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    # License for the specific language governing permissions and limitations
    # under the License.

    from oslo_log import versionutils
    from oslo_policy import policy

    from keystone.common.policies import base

    SYSTEM_READER_OR_DOMAIN_READER = (
        '(' + base.SYSTEM_READER + ') or '
        '(role:reader and domain_id:%(target.domain_id)s)'
    )
    ADMIN_OR_SYSTEM_READER_OR_DOMAIN_READER = (
        '(' + base.RULE_ADMIN_REQUIRED + ') or ' + SYSTEM_READER_OR_DOMAIN_READER
    )

    SYSTEM_READER_OR_PROJECT_DOMAIN_READER_OR_PROJECT_ADMIN = (
        '(' + base.SYSTEM_READER + ') or '
        '(role:reader and domain_id:%(target.project.domain_id)s) or '
        '(role:admin and project_id:%(target.project.id)s)'
    )

    DEPRECATED_REASON = (
        "The assignment API is now aware of system scope and default roles."
    )

    deprecated_list_role_assignments = policy.DeprecatedRule(
        name=base.IDENTITY % 'list_role_assignments',
        check_str=base.RULE_ADMIN_REQUIRED,
        deprecated_reason=DEPRECATED_REASON,
        deprecated_since=versionutils.deprecated.STEIN,
    )
    deprecated_list_role_assignments_for_tree = policy.DeprecatedRule(
        name=base.IDENTITY % 'list_role_assignments_for_tree',
        check_str=base.RULE_ADMIN_REQUIRED,
        deprecated_reason=DEPRECATED_REASON,
        deprecated_since=versionutils.deprecated.TRAIN,
    )

    role_assignment_policies = [
        policy.DocumentedRuleDefault(
            name=base.IDENTITY % 'list_role_assignments',
            check_str=ADMIN_OR_SYSTEM_READER_OR_DOMAIN_READER,
            scope_types=['system', 'domain', 'project'],
            description='List role assignments.',
            operations=[
                {'path': '/v3/role_assignments', 'method': 'GET'},
                {'path': '/v3/role_assignments', 'method': 'HEAD'},
            ],
            deprecated_rule=deprecated_list_role_assignments,
        ),
        policy.DocumentedRuleDefault(
            name=base.IDENTITY % 'list_role_assignments_for_tree',
            check_str=ADMIN_OR_SYSTEM_READER_OR_DOMAIN_READER,
            scope_types=['system', 'domain', 'project'],
            description=(
                'List all role assignments for a given tree of '
                'hierarchical projects.'
            ),
            operations=[
                {'path': '/v3/role_assignments?include_subtree', 'method': 'GET'},
                {'path': '/v3/role_assignments?include_subtree', 'method': 'HEAD'},
            ],
            deprecated_rule=deprecated_list_role_assignments_for_tree,
        ),
    ]

    def list_rules():
        return role_assignment_policies

this page last updated: 2026-08-17 12:45:24

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