208 lines
6.3 KiB
Python
208 lines
6.3 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging as pylog
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import re
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import futurist
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from keystonemiddleware import auth_token
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from oslo_config import cfg
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from oslo_log import log
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from oslo_middleware import cors as cors_middleware
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import six
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from ironic_inspector.common.i18n import _, _LE
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from ironic_inspector import conf # noqa
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CONF = cfg.CONF
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_EXECUTOR = None
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def get_ipmi_address_from_data(introspection_data):
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try:
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return introspection_data['inventory']['bmc_address']
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except KeyError:
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return introspection_data.get('ipmi_address')
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def get_pxe_mac(introspection_data):
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pxe_mac = introspection_data.get('boot_interface')
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if pxe_mac and '-' in pxe_mac:
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# pxelinux format: 01-aa-bb-cc-dd-ee-ff
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pxe_mac = pxe_mac.split('-', 1)[1]
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pxe_mac = pxe_mac.replace('-', ':').lower()
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return pxe_mac
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def processing_logger_prefix(data=None, node_info=None):
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"""Calculate prefix for logging.
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Tries to use:
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* node UUID,
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* node PXE MAC,
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* node BMC address
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:param data: introspection data
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:param node_info: NodeInfo or ironic node object
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:return: logging prefix as a string
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"""
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# TODO(dtantsur): try to get MAC and BMC address for node_info as well
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parts = []
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data = data or {}
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if node_info is not None:
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parts.append(str(node_info.uuid))
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pxe_mac = get_pxe_mac(data)
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if pxe_mac:
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parts.append('MAC %s' % pxe_mac)
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if CONF.processing.log_bmc_address:
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bmc_address = get_ipmi_address_from_data(data) if data else None
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if bmc_address:
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parts.append('BMC %s' % bmc_address)
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if parts:
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return _('[node: %s]') % ' '.join(parts)
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else:
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return _('[unidentified node]')
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class ProcessingLoggerAdapter(log.KeywordArgumentAdapter):
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def process(self, msg, kwargs):
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if 'data' not in kwargs and 'node_info' not in kwargs:
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return super(ProcessingLoggerAdapter, self).process(msg, kwargs)
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data = kwargs.get('data', {})
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node_info = kwargs.get('node_info')
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prefix = processing_logger_prefix(data, node_info)
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msg, kwargs = super(ProcessingLoggerAdapter, self).process(msg, kwargs)
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return ('%s %s' % (prefix, msg)), kwargs
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def getProcessingLogger(name):
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# We can't use getLogger from oslo_log, as it's an adapter itself
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logger = pylog.getLogger(name)
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return ProcessingLoggerAdapter(logger, {})
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LOG = getProcessingLogger(__name__)
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class Error(Exception):
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"""Inspector exception."""
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def __init__(self, msg, code=400, log_level='error', **kwargs):
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super(Error, self).__init__(msg)
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getattr(LOG, log_level)(msg, **kwargs)
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self.http_code = code
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class NotFoundInCacheError(Error):
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"""Exception when node was not found in cache during processing."""
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def __init__(self, msg, code=404):
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super(NotFoundInCacheError, self).__init__(msg, code,
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log_level='info')
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def executor():
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"""Return the current futures executor."""
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global _EXECUTOR
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if _EXECUTOR is None:
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_EXECUTOR = futurist.GreenThreadPoolExecutor(
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max_workers=CONF.max_concurrency)
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return _EXECUTOR
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def add_auth_middleware(app):
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"""Add authentication middleware to Flask application.
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:param app: application.
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"""
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auth_conf = dict(CONF.keystone_authtoken)
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# These items should only be used for accessing Ironic API.
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# For keystonemiddleware's authentication,
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# keystone_authtoken's items will be used and
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# these items will be unsupported.
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# [ironic]/os_password
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# [ironic]/os_username
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# [ironic]/os_auth_url
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# [ironic]/os_tenant_name
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auth_conf.update({'admin_password':
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CONF.ironic.os_password or
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CONF.keystone_authtoken.admin_password,
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'admin_user':
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CONF.ironic.os_username or
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CONF.keystone_authtoken.admin_user,
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'auth_uri':
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CONF.ironic.os_auth_url or
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CONF.keystone_authtoken.auth_uri,
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'admin_tenant_name':
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CONF.ironic.os_tenant_name or
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CONF.keystone_authtoken.admin_tenant_name,
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'identity_uri':
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CONF.ironic.identity_uri or
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CONF.keystone_authtoken.identity_uri})
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auth_conf['delay_auth_decision'] = True
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app.wsgi_app = auth_token.AuthProtocol(app.wsgi_app, auth_conf)
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def add_cors_middleware(app):
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"""Create a CORS wrapper
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Attach ironic-inspector-specific defaults that must be included
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in all CORS responses.
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:param app: application
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"""
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app.wsgi_app = cors_middleware.CORS(app.wsgi_app, CONF)
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def check_auth(request):
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"""Check authentication on request.
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:param request: Flask request
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:raises: utils.Error if access is denied
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"""
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if get_auth_strategy() == 'noauth':
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return
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if request.headers.get('X-Identity-Status').lower() == 'invalid':
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raise Error(_('Authentication required'), code=401)
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roles = (request.headers.get('X-Roles') or '').split(',')
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if 'admin' not in roles:
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LOG.error(_LE('Role "admin" not in user role list %s'), roles)
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raise Error(_('Access denied'), code=403)
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def is_valid_mac(address):
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"""Return whether given value is a valid MAC."""
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m = "[0-9a-f]{2}(:[0-9a-f]{2}){5}$"
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return (isinstance(address, six.string_types)
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and re.match(m, address.lower()))
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def get_auth_strategy():
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if CONF.authenticate is not None:
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return 'keystone' if CONF.authenticate else 'noauth'
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return CONF.auth_strategy
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def get_valid_macs(data):
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"""Get a list of valid MAC's from the introspection data."""
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return [m['mac']
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for m in data.get('all_interfaces', {}).values()
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if m.get('mac')]
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