Hardware introspection daemon for OpenStack Ironic
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
ironic-inspector/ironic_inspector/plugins/capabilities.py

74 lines
2.7 KiB

# 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.
"""Gather capabilities from inventory."""
from oslo_config import cfg
from ironic_inspector.plugins import base
from ironic_inspector import utils
CONF = cfg.CONF
LOG = utils.getProcessingLogger(__name__)
class CapabilitiesHook(base.ProcessingHook):
"""Processing hook for detecting capabilities."""
def _detect_boot_mode(self, inventory, node_info, data=None):
boot_mode = inventory.get('boot', {}).get('current_boot_mode')
if boot_mode is not None:
LOG.info('Boot mode was %s', boot_mode,
data=data, node_info=node_info)
return {'boot_mode': boot_mode}
else:
LOG.warning('No boot mode information available',
data=data, node_info=node_info)
return {}
def _detect_cpu_flags(self, inventory, node_info, data=None):
flags = inventory['cpu'].get('flags')
if not flags:
LOG.warning('No CPU flags available, please update your '
'introspection ramdisk',
data=data, node_info=node_info)
return {}
flags = set(flags)
caps = {}
for flag, name in CONF.capabilities.cpu_flags.items():
if flag in flags:
caps[name] = 'true'
LOG.info('CPU capabilities: %s', list(caps),
data=data, node_info=node_info)
return caps
def before_update(self, introspection_data, node_info, **kwargs):
inventory = utils.get_inventory(introspection_data)
caps = {}
if CONF.capabilities.boot_mode:
caps.update(self._detect_boot_mode(inventory, node_info,
introspection_data))
caps.update(self._detect_cpu_flags(inventory, node_info,
introspection_data))
if caps:
LOG.debug('New capabilities: %s', caps, node_info=node_info,
data=introspection_data)
node_info.update_capabilities(**caps)
else:
LOG.debug('No new capabilities detected', node_info=node_info,
data=introspection_data)