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# 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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import datetime
import logging as pylog
import futurist
from keystonemiddleware import auth_token
from openstack.baremetal.v1 import node
from oslo_config import cfg
from oslo_log import log
from oslo_middleware import cors as cors_middleware
import pytz
from ironic_inspector.common.i18n import _
from ironic_inspector import policy
def get_ipmi_address_from_data(introspection_data):
result = introspection_data['inventory']['bmc_address']
except KeyError:
result = introspection_data.get('ipmi_address')
if result in ('', ''):
# ipmitool can return these values, if it does not know the address
return None
return result
def get_ipmi_v6address_from_data(introspection_data):
result = introspection_data['inventory']['bmc_v6address']
except KeyError:
result = introspection_data.get('ipmi_v6address')
if result in ('', '::/0'):
# ipmitool can return these values, if it does not know the address
return None
return result
def get_pxe_mac(introspection_data):
pxe_mac = introspection_data.get('boot_interface')
if pxe_mac and '-' in pxe_mac:
# pxelinux format: 01-aa-bb-cc-dd-ee-ff
pxe_mac = pxe_mac.split('-', 1)[1]
pxe_mac = pxe_mac.replace('-', ':').lower()
return pxe_mac
def processing_logger_prefix(data=None, node_info=None):
"""Calculate prefix for logging.
Tries to use:
* node UUID, node._state
* node PXE MAC,
* node BMC address
:param data: introspection data
:param node_info: NodeInfo or ironic node object
:return: logging prefix as a string
# TODO(dtantsur): try to get MAC and BMC address for node_info as well
parts = []
data = data or {}
if node_info is not None:
if isinstance(node_info, node.Node):
pxe_mac = get_pxe_mac(data)
if pxe_mac:
parts.append('MAC %s' % pxe_mac)
bmc_address = get_ipmi_address_from_data(data) if data else None
if bmc_address:
parts.append('BMC %s' % bmc_address)
if parts:
return _('[node: %s]') % ' '.join(parts)
return _('[unidentified node]')
class ProcessingLoggerAdapter(log.KeywordArgumentAdapter):
def process(self, msg, kwargs):
if 'data' not in kwargs and 'node_info' not in kwargs:
return super(ProcessingLoggerAdapter, self).process(msg, kwargs)
data = kwargs.get('data', {})
node_info = kwargs.get('node_info')
prefix = processing_logger_prefix(data, node_info)
msg, kwargs = super(ProcessingLoggerAdapter, self).process(msg, kwargs)
return ('%s %s' % (prefix, msg)), kwargs
def getProcessingLogger(name):
# We can't use getLogger from oslo_log, as it's an adapter itself
logger = pylog.getLogger(name)
return ProcessingLoggerAdapter(logger, {})
LOG = getProcessingLogger(__name__)
class Error(Exception):
"""Inspector exception."""
def __init__(self, msg, code=400, log_level='error', **kwargs):
super(Error, self).__init__(msg)
getattr(LOG, log_level)(msg, **kwargs)
self.http_code = code
class NotFoundInCacheError(Error):
"""Exception when node was not found in cache during processing."""
def __init__(self, msg, code=404, **kwargs):
super(NotFoundInCacheError, self).__init__(msg, code,
log_level='info', **kwargs)
class NodeStateRaceCondition(Error):
"""State mismatch between the DB and a node_info."""
def __init__(self, *args, **kwargs):
message = _('Node state mismatch detected between the DB and the '
'cached node_info object')
kwargs.setdefault('code', 500)
super(NodeStateRaceCondition, self).__init__(message, *args, **kwargs)
class NodeStateInvalidEvent(Error):
"""Invalid event attempted."""
class IntrospectionDataStoreDisabled(Error):
"""Introspection data store is disabled."""
class IntrospectionDataNotFound(NotFoundInCacheError):
"""Introspection data not found."""
class NoAvailableConductor(Error):
"""No available conductor in the service group."""
def __init__(self, msg, **kwargs):
super(NoAvailableConductor, self).__init__(msg, code=503, **kwargs)
def executor():
"""Return the current futures executor."""
global _EXECUTOR
if _EXECUTOR is None:
_EXECUTOR = futurist.GreenThreadPoolExecutor(
return _EXECUTOR
def add_auth_middleware(app):
"""Add authentication middleware to Flask application.
:param app: application.
auth_conf = dict(CONF.keystone_authtoken)
auth_conf['delay_auth_decision'] = True
app.wsgi_app = auth_token.AuthProtocol(app.wsgi_app, auth_conf)
def add_cors_middleware(app):
"""Create a CORS wrapper
Attach ironic-inspector-specific defaults that must be included
in all CORS responses.
:param app: application
app.wsgi_app = cors_middleware.CORS(app.wsgi_app, CONF)
def check_auth(request, rule=None, target=None):
"""Check authentication on request.
:param request: Flask request
:param rule: policy rule to check the request against
:param target: dict-like structure to check rule against
:raises: utils.Error if access is denied
if CONF.auth_strategy == 'noauth':
if not request.context.is_public_api:
if request.headers.get('X-Identity-Status', '').lower() == 'invalid':
raise Error(_('Authentication required'), code=401)
target = {} if target is None else target
if not policy.authorize(rule, target, request.context.to_policy_values()):
raise Error(_("Access denied by policy"), code=403)
def get_valid_macs(data):
"""Get a list of valid MAC's from the introspection data."""
return [m['mac']
for m in data.get('all_interfaces', {}).values()
if m.get('mac')]
def get_inventory(data, node_info=None):
"""Get and validate the hardware inventory from introspection data."""
inventory = data.get('inventory')
# TODO(dtantsur): validate inventory using JSON schema
if not inventory:
raise Error(_('Hardware inventory is empty or missing'),
data=data, node_info=node_info)
if not inventory.get('interfaces'):
raise Error(_('No network interfaces provided in the inventory'),
data=data, node_info=node_info)
if not inventory.get('disks'):'No disks were detected in the inventory, assuming this '
'is a disk-less node', data=data, node_info=node_info)
# Make sure the code iterating over it does not fail with a TypeError
inventory['disks'] = []
return inventory
def iso_timestamp(timestamp=None, tz=pytz.timezone('utc')):
"""Return an ISO8601-formatted timestamp (tz: UTC) or None.
:param timestamp: such as time.time() or None
:param tz: timezone
:returns: an ISO8601-formatted timestamp, or None
if timestamp is None:
return None
date = datetime.datetime.fromtimestamp(timestamp, tz=tz)
return date.isoformat()