113 lines
4.2 KiB
Python
113 lines
4.2 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 discovery request."""
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import logging
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import time
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import eventlet
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from ironicclient import exceptions
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from ironic_discoverd import conf
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from ironic_discoverd import firewall
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from ironic_discoverd import node_cache
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from ironic_discoverd import utils
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LOG = logging.getLogger("ironic_discoverd.discover")
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def discover(uuids):
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"""Initiate discovery for given node uuids."""
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if not uuids:
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raise utils.DiscoveryFailed("No nodes to discover")
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ironic = utils.get_client()
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LOG.debug('Validating nodes %s', uuids)
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nodes = []
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for uuid in uuids:
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try:
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node = ironic.node.get(uuid)
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except exceptions.NotFound:
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LOG.error('Node %s cannot be found', uuid)
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raise utils.DiscoveryFailed("Cannot find node %s" % uuid, code=404)
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except exceptions.HttpError as exc:
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LOG.exception('Cannot get node %s', uuid)
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raise utils.DiscoveryFailed("Cannot get node %s: %s" % (uuid, exc))
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_validate(ironic, node)
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nodes.append(node)
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LOG.info('Proceeding with discovery on nodes %s', [n.uuid for n in nodes])
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for node in nodes:
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eventlet.greenthread.spawn_n(_background_start_discover, ironic, node)
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def _validate(ironic, node):
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if node.instance_uuid:
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LOG.error('Refusing to discover node %s with assigned instance_uuid',
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node.uuid)
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raise utils.DiscoveryFailed(
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'Refusing to discover node %s with assigned instance uuid' %
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node.uuid)
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power_state = node.power_state
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if (not node.maintenance and power_state is not None
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and power_state.lower() != 'power off'):
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LOG.error('Refusing to discover node %s with power_state "%s" '
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'and maintenance mode off',
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node.uuid, power_state)
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raise utils.DiscoveryFailed(
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'Refusing to discover node %s with power state "%s" and '
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'maintenance mode off' %
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(node.uuid, power_state))
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if not node.extra.get('ipmi_setup_credentials'):
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validation = utils.retry_on_conflict(ironic.node.validate, node.uuid)
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if not validation.power['result']:
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LOG.error('Failed validation of power interface for node %s, '
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'reason: %s', node.uuid, validation.power['reason'])
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raise utils.DiscoveryFailed(
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'Failed validation of power interface for node %s' % node.uuid)
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def _background_start_discover(ironic, node):
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patch = [{'op': 'add', 'path': '/extra/on_discovery', 'value': 'true'},
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{'op': 'add', 'path': '/extra/discovery_timestamp',
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'value': str(time.time())}]
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ironic.node.update(node.uuid, patch)
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# TODO(dtantsur): pagination
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macs = [p.address for p in ironic.node.list_ports(node.uuid, limit=0)]
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node_cache.add_node(node.uuid,
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bmc_address=node.driver_info.get('ipmi_address'),
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mac=macs)
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if macs:
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LOG.info('Whitelisting MAC\'s %s for node %s on the firewall',
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macs, node.uuid)
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firewall.update_filters(ironic)
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if not node.extra.get('ipmi_setup_credentials'):
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try:
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utils.retry_on_conflict(ironic.node.set_power_state,
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node.uuid, 'reboot')
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except Exception as exc:
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LOG.error('Failed to power on node %s, check it\'s power '
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'management configuration:\n%s', node.uuid, exc)
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else:
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LOG.info('Discovery environment is ready for node %s, '
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'manual power on is required within %d seconds',
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node.uuid, conf.getint('discoverd', 'timeout'))
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