183 lines
5.7 KiB
Python
183 lines
5.7 KiB
Python
# Copyright 2015-2018 Red Hat, Inc.
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#
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# 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 contextlib
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import logging
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from ironicclient import client as ir_client
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import six
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from metalsmith import _utils
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LOG = logging.getLogger(__name__)
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HOSTNAME_FIELD = 'metalsmith_hostname'
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class _Remove(object):
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"""Indicator that a field should be removed."""
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__slots__ = ()
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def __repr__(self):
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"""Allow nicer logging."""
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return '<REMOVE>'
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REMOVE = _Remove()
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class DictWithAttrs(dict):
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__slots__ = ()
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def __getattr__(self, attr):
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try:
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return self[attr]
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except KeyError:
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super(DictWithAttrs, self).__getattr__(attr)
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class API(object):
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"""Various OpenStack API's."""
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IRONIC_VERSION = '1'
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# TODO(dtantsur): use openstacksdk and stop hardcoding this here.
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# 1.46 (Rocky) adds conductor_group.
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IRONIC_MICRO_VERSION = '1.46'
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_node_list = None
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def __init__(self, session, connection):
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self.ironic = ir_client.get_client(
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self.IRONIC_VERSION, session=session,
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os_ironic_api_version=self.IRONIC_MICRO_VERSION)
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self.connection = connection
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def _nodes_for_lookup(self):
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return self.list_nodes(maintenance=None,
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associated=None,
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provision_state=None,
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fields=['uuid', 'name', 'instance_info'])
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def attach_port_to_node(self, node, port_id):
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self.ironic.node.vif_attach(_node_id(node), port_id)
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@contextlib.contextmanager
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def cache_node_list_for_lookup(self):
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if self._node_list is None:
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self._node_list = self._nodes_for_lookup()
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yield self._node_list
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self._node_list = None
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def detach_port_from_node(self, node, port_id):
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self.ironic.node.vif_detach(_node_id(node), port_id)
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def find_node_by_hostname(self, hostname):
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nodes = self._node_list or self._nodes_for_lookup()
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existing = [n for n in nodes
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if n.instance_info.get(HOSTNAME_FIELD) == hostname]
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if len(existing) > 1:
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raise RuntimeError("More than one node found with hostname "
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"%(host)s: %(nodes)s" %
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{'host': hostname,
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'nodes': ', '.join(_utils.log_node(n)
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for n in existing)})
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elif not existing:
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return None
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else:
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# Fetch the complete node record
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return self.get_node(existing[0].uuid, accept_hostname=False)
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def get_node(self, node, refresh=False, accept_hostname=False):
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if isinstance(node, six.string_types):
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if accept_hostname and _utils.is_hostname_safe(node):
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by_hostname = self.find_node_by_hostname(node)
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if by_hostname is not None:
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return by_hostname
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return self.ironic.node.get(node)
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elif hasattr(node, 'node'):
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# Instance object
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node = node.node
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else:
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node = node
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if refresh:
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return self.ironic.node.get(node.uuid)
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else:
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return node
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def list_node_attached_ports(self, node):
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return self.ironic.node.vif_list(_node_id(node))
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def list_node_ports(self, node):
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return self.ironic.node.list_ports(_node_id(node), limit=0)
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def list_nodes(self, maintenance=False, associated=False,
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provision_state='available', **filters):
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if 'fields' not in filters:
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filters['detail'] = True
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return self.ironic.node.list(limit=0, maintenance=maintenance,
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associated=associated,
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provision_state=provision_state,
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**filters)
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def node_action(self, node, action, **kwargs):
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self.ironic.node.set_provision_state(_node_id(node), action, **kwargs)
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def release_node(self, node):
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return self.update_node(_node_id(node), instance_uuid=REMOVE)
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def reserve_node(self, node, instance_uuid):
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return self.update_node(_node_id(node), instance_uuid=instance_uuid)
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def update_node(self, node, *args, **attrs):
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if args:
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attrs.update(args[0])
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patches = _convert_patches(attrs)
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return self.ironic.node.update(_node_id(node), patches)
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def validate_node(self, node, validate_deploy=False):
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ifaces = ['power', 'management']
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if validate_deploy:
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ifaces += ['deploy']
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validation = self.ironic.node.validate(_node_id(node))
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for iface in ifaces:
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result = getattr(validation, iface)
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if not result['result']:
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raise RuntimeError('%s: %s' % (iface, result['reason']))
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def _node_id(node):
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if isinstance(node, six.string_types):
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return node
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else:
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return node.uuid
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def _convert_patches(attrs):
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patches = []
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for key, value in attrs.items():
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if not key.startswith('/'):
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key = '/' + key
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if value is REMOVE:
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patches.append({'op': 'remove', 'path': key})
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else:
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patches.append({'op': 'add', 'path': key, 'value': value})
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return patches
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