241 lines
9.8 KiB
Python
241 lines
9.8 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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"""Handling introspection data from the ramdisk."""
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import eventlet
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from ironicclient import exceptions
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from oslo_config import cfg
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from ironic_inspector.common.i18n import _, _LE, _LI, _LW
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from ironic_inspector.common import swift
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from ironic_inspector import firewall
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from ironic_inspector import node_cache
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from ironic_inspector.plugins import base as plugins_base
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from ironic_inspector import rules
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from ironic_inspector import utils
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CONF = cfg.CONF
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LOG = utils.getProcessingLogger(__name__)
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_CREDENTIALS_WAIT_RETRIES = 10
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_CREDENTIALS_WAIT_PERIOD = 3
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def _find_node_info(introspection_data, failures):
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try:
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return node_cache.find_node(
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bmc_address=introspection_data.get('ipmi_address'),
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mac=introspection_data.get('macs'))
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except utils.NotFoundInCacheError as exc:
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not_found_hook = plugins_base.node_not_found_hook_manager()
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if not_found_hook is None:
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failures.append(_('Look up error: %s') % exc)
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return
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# NOTE(sambetts): If not_found_hook is not none it means that we were
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# unable to find the node in the node cache and there is a node not
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# found hook defined so we should try to send the introspection data
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# to that hook to generate the node info before bubbling up the error.
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try:
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node_info = not_found_hook.driver(introspection_data)
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if node_info:
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return node_info
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failures.append(_("Node not found hook returned nothing"))
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except Exception as exc:
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failures.append(_("Node not found hook failed: %s") % exc)
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except utils.Error as exc:
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failures.append(_('Look up error: %s') % exc)
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def process(introspection_data):
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"""Process data from the ramdisk.
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This function heavily relies on the hooks to do the actual data processing.
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"""
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hooks = plugins_base.processing_hooks_manager()
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failures = []
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for hook_ext in hooks:
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# NOTE(dtantsur): catch exceptions, so that we have changes to update
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# node introspection status after look up
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try:
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hook_ext.obj.before_processing(introspection_data)
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except utils.Error as exc:
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LOG.error(_LE('Hook %(hook)s failed, delaying error report '
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'until node look up: %(error)s'),
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{'hook': hook_ext.name, 'error': exc},
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data=introspection_data)
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failures.append('Preprocessing hook %(hook)s: %(error)s' %
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{'hook': hook_ext.name, 'error': exc})
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except Exception as exc:
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LOG.exception(_LE('Hook %(hook)s failed, delaying error report '
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'until node look up: %(error)s'),
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{'hook': hook_ext.name, 'error': exc},
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data=introspection_data)
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failures.append(_('Unexpected exception %(exc_class)s during '
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'preprocessing in hook %(hook)s: %(error)s') %
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{'hook': hook_ext.name,
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'exc_class': exc.__class__.__name__,
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'error': exc})
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node_info = _find_node_info(introspection_data, failures)
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if node_info:
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# Locking is already done in find_node() but may be not done in a
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# node_not_found hook
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node_info.acquire_lock()
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if failures or node_info is None:
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msg = _('The following failures happened during running '
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'pre-processing hooks:\n%s') % '\n'.join(failures)
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if node_info is not None:
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node_info.finished(error='\n'.join(failures))
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raise utils.Error(msg, node_info=node_info, data=introspection_data)
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LOG.info(_LI('Matching node is %s'), node_info.uuid,
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node_info=node_info, data=introspection_data)
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try:
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node = node_info.node()
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except exceptions.NotFound:
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msg = _('Node was found in cache, but is not found in Ironic')
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node_info.finished(error=msg)
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raise utils.Error(msg, code=404, node_info=node_info,
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data=introspection_data)
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try:
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return _process_node(node, introspection_data, node_info)
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except utils.Error as exc:
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node_info.finished(error=str(exc))
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raise
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except Exception as exc:
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LOG.exception(_LE('Unexpected exception during processing'))
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msg = _('Unexpected exception %(exc_class)s during processing: '
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'%(error)s') % {'exc_class': exc.__class__.__name__,
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'error': exc}
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node_info.finished(error=msg)
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raise utils.Error(msg, node_info=node_info, data=introspection_data)
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def _run_post_hooks(node_info, introspection_data):
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hooks = plugins_base.processing_hooks_manager()
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for hook_ext in hooks:
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node_patches = []
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ports_patches = {}
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hook_ext.obj.before_update(introspection_data, node_info,
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node_patches=node_patches,
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ports_patches=ports_patches)
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if node_patches:
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LOG.warning(_LW('Using node_patches is deprecated'))
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node_info.patch(node_patches)
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if ports_patches:
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LOG.warning(_LW('Using ports_patches is deprecated'))
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for mac, patches in ports_patches.items():
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node_info.patch_port(mac, patches)
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def _process_node(node, introspection_data, node_info):
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# NOTE(dtantsur): repeat the check in case something changed
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utils.check_provision_state(node)
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node_info.create_ports(introspection_data.get('macs') or ())
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_run_post_hooks(node_info, introspection_data)
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if CONF.processing.store_data == 'swift':
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swift_object_name = swift.store_introspection_data(introspection_data,
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node_info.uuid)
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LOG.info(_LI('Introspection data was stored in Swift in object %s'),
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swift_object_name,
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node_info=node_info, data=introspection_data)
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if CONF.processing.store_data_location:
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node_info.patch([{'op': 'add', 'path': '/extra/%s' %
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CONF.processing.store_data_location,
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'value': swift_object_name}])
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else:
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LOG.debug('Swift support is disabled, introspection data '
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'won\'t be stored',
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node_info=node_info, data=introspection_data)
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ironic = utils.get_client()
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firewall.update_filters(ironic)
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node_info.invalidate_cache()
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rules.apply(node_info, introspection_data)
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resp = {'uuid': node.uuid}
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if node_info.options.get('new_ipmi_credentials'):
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new_username, new_password = (
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node_info.options.get('new_ipmi_credentials'))
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utils.spawn_n(_finish_set_ipmi_credentials,
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ironic, node, node_info, introspection_data,
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new_username, new_password)
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resp['ipmi_setup_credentials'] = True
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resp['ipmi_username'] = new_username
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resp['ipmi_password'] = new_password
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else:
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utils.spawn_n(_finish, ironic, node_info, introspection_data)
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return resp
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def _finish_set_ipmi_credentials(ironic, node, node_info, introspection_data,
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new_username, new_password):
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patch = [{'op': 'add', 'path': '/driver_info/ipmi_username',
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'value': new_username},
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{'op': 'add', 'path': '/driver_info/ipmi_password',
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'value': new_password}]
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if (not utils.get_ipmi_address(node) and
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introspection_data.get('ipmi_address')):
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patch.append({'op': 'add', 'path': '/driver_info/ipmi_address',
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'value': introspection_data['ipmi_address']})
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node_info.patch(patch)
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for attempt in range(_CREDENTIALS_WAIT_RETRIES):
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try:
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# We use this call because it requires valid credentials.
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# We don't care about boot device, obviously.
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ironic.node.get_boot_device(node_info.uuid)
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except Exception as exc:
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LOG.info(_LI('Waiting for credentials update, attempt %(attempt)d '
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'current error is %(exc)s') %
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{'attempt': attempt, 'exc': exc},
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node_info=node_info, data=introspection_data)
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eventlet.greenthread.sleep(_CREDENTIALS_WAIT_PERIOD)
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else:
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_finish(ironic, node_info, introspection_data)
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return
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msg = (_('Failed to validate updated IPMI credentials for node '
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'%s, node might require maintenance') % node_info.uuid)
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node_info.finished(error=msg)
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raise utils.Error(msg, node_info=node_info, data=introspection_data)
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def _finish(ironic, node_info, introspection_data):
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LOG.debug('Forcing power off of node %s', node_info.uuid)
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try:
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ironic.node.set_power_state(node_info.uuid, 'off')
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except Exception as exc:
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msg = (_('Failed to power off node %(node)s, check it\'s power '
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'management configuration: %(exc)s') %
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{'node': node_info.uuid, 'exc': exc})
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node_info.finished(error=msg)
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raise utils.Error(msg, node_info=node_info, data=introspection_data)
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node_info.finished()
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LOG.info(_LI('Introspection finished successfully'),
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node_info=node_info, data=introspection_data)
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