monasca-api/monasca_api/policies/__init__.py

79 lines
2.4 KiB
Python

# Copyright 2017 FUJITSU LIMITED
# Copyright 2018 OP5 AB
#
# 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.
import os
import pkgutil
from oslo_config import cfg
from oslo_log import log
from oslo_utils import importutils
from monasca_api.conf import security
LOG = log.getLogger(__name__)
_BASE_MOD_PATH = 'monasca_api.policies.'
CONF = cfg.CONF
def roles_list_to_check_str(roles_list):
converted_roles_list = ["role:" + role if role != '@' else role for role in roles_list]
return ' or '.join(converted_roles_list)
security.register_opts(CONF)
HEALTHCHECK_ROLES = roles_list_to_check_str(cfg.CONF.security.healthcheck_roles)
VERSIONS_ROLES = roles_list_to_check_str(cfg.CONF.security.versions_roles)
DEFAULT_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.default_authorized_roles)
READ_ONLY_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.read_only_authorized_roles)
AGENT_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.agent_authorized_roles)
DELEGATE_AUTHORIZED_ROLES = roles_list_to_check_str(cfg.CONF.security.delegate_authorized_roles)
def load_policy_modules():
"""Load all modules that contain policies.
Method iterates over modules of :py:mod:`monasca_events_api.policies`
and imports only those that contain following methods:
- list_rules
"""
for modname in _list_module_names():
mod = importutils.import_module(_BASE_MOD_PATH + modname)
if hasattr(mod, 'list_rules'):
yield mod
def _list_module_names():
package_path = os.path.dirname(os.path.abspath(__file__))
for _, modname, ispkg in pkgutil.iter_modules(path=[package_path]):
if not (modname == "opts" and ispkg):
yield modname
def list_rules():
"""List all policy modules rules.
Goes through all policy modules and yields their rules
"""
all_rules = []
for mod in load_policy_modules():
rules = mod.list_rules()
all_rules.extend(rules)
return all_rules