715 lines
24 KiB
Python
715 lines
24 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Base classes for storage engines
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"""
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import abc
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from oslo_config import cfg
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from oslo_db import api as db_api
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import six
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_BACKEND_MAPPING = {'sqlalchemy': 'ironic.db.sqlalchemy.api'}
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IMPL = db_api.DBAPI.from_config(cfg.CONF, backend_mapping=_BACKEND_MAPPING,
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lazy=True)
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def get_instance():
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"""Return a DB API instance."""
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return IMPL
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@six.add_metaclass(abc.ABCMeta)
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class Connection(object):
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"""Base class for storage system connections."""
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@abc.abstractmethod
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def __init__(self):
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"""Constructor."""
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@abc.abstractmethod
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def get_nodeinfo_list(self, columns=None, filters=None, limit=None,
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marker=None, sort_key=None, sort_dir=None):
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"""Get specific columns for matching nodes.
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Return a list of the specified columns for all nodes that match the
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specified filters.
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:param columns: List of column names to return.
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Defaults to 'id' column when columns == None.
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:param filters: Filters to apply. Defaults to None.
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:associated: True | False
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:reserved: True | False
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:reserved_by_any_of: [conductor1, conductor2]
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:maintenance: True | False
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:chassis_uuid: uuid of chassis
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:driver: driver's name
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:provision_state: provision state of node
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:provisioned_before:
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nodes with provision_updated_at field before this
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interval in seconds
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:param limit: Maximum number of nodes to return.
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:param marker: the last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted.
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:param sort_dir: direction in which results should be sorted.
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(asc, desc)
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:returns: A list of tuples of the specified columns.
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"""
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@abc.abstractmethod
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def get_node_list(self, filters=None, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of nodes.
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:param filters: Filters to apply. Defaults to None.
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:associated: True | False
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:reserved: True | False
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:maintenance: True | False
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:chassis_uuid: uuid of chassis
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:driver: driver's name
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:provision_state: provision state of node
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:provisioned_before:
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nodes with provision_updated_at field before this
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interval in seconds
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:param limit: Maximum number of nodes to return.
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:param marker: the last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted.
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:param sort_dir: direction in which results should be sorted.
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(asc, desc)
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"""
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@abc.abstractmethod
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def reserve_node(self, tag, node_id):
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"""Reserve a node.
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To prevent other ManagerServices from manipulating the given
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Node while a Task is performed, mark it reserved by this host.
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:param tag: A string uniquely identifying the reservation holder.
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:param node_id: A node id or uuid.
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:returns: A Node object.
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:raises: NodeNotFound if the node is not found.
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:raises: NodeLocked if the node is already reserved.
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"""
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@abc.abstractmethod
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def release_node(self, tag, node_id):
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"""Release the reservation on a node.
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:param tag: A string uniquely identifying the reservation holder.
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:param node_id: A node id or uuid.
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:raises: NodeNotFound if the node is not found.
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:raises: NodeLocked if the node is reserved by another host.
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:raises: NodeNotLocked if the node was found to not have a
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reservation at all.
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"""
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@abc.abstractmethod
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def create_node(self, values):
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"""Create a new node.
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:param values: A dict containing several items used to identify
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and track the node, and several dicts which are passed
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into the Drivers when managing this node. For example:
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::
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{
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'uuid': uuidutils.generate_uuid(),
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'instance_uuid': None,
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'power_state': states.POWER_OFF,
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'provision_state': states.AVAILABLE,
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'driver': 'pxe_ipmitool',
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'driver_info': { ... },
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'properties': { ... },
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'extra': { ... },
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}
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:raises: InvalidParameterValue if create a node with tags.
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:returns: A node.
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"""
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@abc.abstractmethod
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def get_node_by_id(self, node_id):
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"""Return a node.
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:param node_id: The id of a node.
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:returns: A node.
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"""
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@abc.abstractmethod
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def get_node_by_uuid(self, node_uuid):
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"""Return a node.
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:param node_uuid: The uuid of a node.
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:returns: A node.
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"""
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@abc.abstractmethod
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def get_node_by_name(self, node_name):
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"""Return a node.
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:param node_name: The logical name of a node.
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:returns: A node.
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"""
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@abc.abstractmethod
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def get_node_by_instance(self, instance):
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"""Return a node.
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:param instance: The instance uuid to search for.
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:returns: A node.
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:raises: InstanceNotFound if the instance is not found.
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:raises: InvalidUUID if the instance uuid is invalid.
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"""
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@abc.abstractmethod
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def destroy_node(self, node_id):
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"""Destroy a node and all associated interfaces.
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:param node_id: The id or uuid of a node.
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"""
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@abc.abstractmethod
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def update_node(self, node_id, values):
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"""Update properties of a node.
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:param node_id: The id or uuid of a node.
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:param values: Dict of values to update.
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May be a partial list, eg. when setting the
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properties for a driver. For example:
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::
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{
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'driver_info':
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{
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'my-field-1': val1,
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'my-field-2': val2,
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}
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}
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:returns: A node.
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:raises: NodeAssociated
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:raises: NodeNotFound
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"""
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@abc.abstractmethod
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def get_port_by_id(self, port_id):
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"""Return a network port representation.
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:param port_id: The id of a port.
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:returns: A port.
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"""
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@abc.abstractmethod
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def get_port_by_uuid(self, port_uuid):
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"""Return a network port representation.
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:param port_uuid: The uuid of a port.
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:returns: A port.
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"""
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@abc.abstractmethod
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def get_port_by_address(self, address):
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"""Return a network port representation.
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:param address: The MAC address of a port.
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:returns: A port.
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"""
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@abc.abstractmethod
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def get_port_list(self, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of ports.
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:param limit: Maximum number of ports to return.
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:param marker: the last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted.
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:param sort_dir: direction in which results should be sorted.
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(asc, desc)
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"""
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@abc.abstractmethod
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def get_ports_by_node_id(self, node_id, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""List all the ports for a given node.
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:param node_id: The integer node ID.
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:param limit: Maximum number of ports to return.
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:param marker: the last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted
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:param sort_dir: direction in which results should be sorted
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(asc, desc)
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:returns: A list of ports.
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"""
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@abc.abstractmethod
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def get_ports_by_portgroup_id(self, portgroup_id, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""List all the ports for a given portgroup.
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:param portgroup_id: The integer portgroup ID.
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:param limit: Maximum number of ports to return.
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:param marker: The last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted
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:param sort_dir: Direction in which results should be sorted
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(asc, desc)
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:returns: A list of ports.
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"""
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@abc.abstractmethod
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def create_port(self, values):
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"""Create a new port.
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:param values: Dict of values.
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"""
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@abc.abstractmethod
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def update_port(self, port_id, values):
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"""Update properties of an port.
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:param port_id: The id or MAC of a port.
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:param values: Dict of values to update.
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:returns: A port.
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"""
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@abc.abstractmethod
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def destroy_port(self, port_id):
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"""Destroy an port.
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:param port_id: The id or MAC of a port.
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"""
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@abc.abstractmethod
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def get_portgroup_by_id(self, portgroup_id):
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"""Return a network portgroup representation.
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:param portgroup_id: The id of a portgroup.
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:returns: A portgroup.
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:raises: PortgroupNotFound
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"""
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@abc.abstractmethod
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def get_portgroup_by_uuid(self, portgroup_uuid):
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"""Return a network portgroup representation.
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:param portgroup_uuid: The uuid of a portgroup.
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:returns: A portgroup.
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:raises: PortgroupNotFound
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"""
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@abc.abstractmethod
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def get_portgroup_by_address(self, address):
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"""Return a network portgroup representation.
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:param address: The MAC address of a portgroup.
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:returns: A portgroup.
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:raises: PortgroupNotFound
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"""
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@abc.abstractmethod
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def get_portgroup_by_name(self, name):
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"""Return a network portgroup representation.
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:param name: The logical name of a portgroup.
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:returns: A portgroup.
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:raises: PortgroupNotFound
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"""
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@abc.abstractmethod
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def get_portgroup_list(self, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of portgroups.
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:param limit: Maximum number of portgroups to return.
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:param marker: The last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted.
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:param sort_dir: Direction in which results should be sorted.
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(asc, desc)
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:returns: A list of portgroups.
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"""
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@abc.abstractmethod
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def get_portgroups_by_node_id(self, node_id, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""List all the portgroups for a given node.
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:param node_id: The integer node ID.
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:param limit: Maximum number of portgroups to return.
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:param marker: The last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted
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:param sort_dir: Direction in which results should be sorted
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(asc, desc)
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:returns: A list of portgroups.
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"""
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@abc.abstractmethod
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def create_portgroup(self, values):
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"""Create a new portgroup.
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:param values: Dict of values with the following keys:
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'id'
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'uuid'
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'name'
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'node_id'
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'address'
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'extra'
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'created_at'
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'updated_at'
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:returns: A portgroup
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:raises: PortgroupDuplicateName
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:raises: PortgroupMACAlreadyExists
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:raises: PortgroupAlreadyExists
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"""
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@abc.abstractmethod
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def update_portgroup(self, portgroup_id, values):
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"""Update properties of a portgroup.
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:param portgroup_id: The UUID or MAC of a portgroup.
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:param values: Dict of values to update.
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May contain the following keys:
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'uuid'
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'name'
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'node_id'
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'address'
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'extra'
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'created_at'
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'updated_at'
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:returns: A portgroup.
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:raises: InvalidParameterValue
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:raises: PortgroupNotFound
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:raises: PortgroupDuplicateName
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:raises: PortgroupMACAlreadyExists
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"""
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@abc.abstractmethod
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def destroy_portgroup(self, portgroup_id):
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"""Destroy a portgroup.
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:param portgroup_id: The UUID or MAC of a portgroup.
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:raises: PortgroupNotEmpty
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:raises: PortgroupNotFound
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"""
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@abc.abstractmethod
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def create_chassis(self, values):
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"""Create a new chassis.
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:param values: Dict of values.
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"""
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@abc.abstractmethod
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def get_chassis_by_id(self, chassis_id):
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"""Return a chassis representation.
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:param chassis_id: The id of a chassis.
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:returns: A chassis.
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"""
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@abc.abstractmethod
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def get_chassis_by_uuid(self, chassis_uuid):
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"""Return a chassis representation.
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:param chassis_uuid: The uuid of a chassis.
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:returns: A chassis.
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"""
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@abc.abstractmethod
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def get_chassis_list(self, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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"""Return a list of chassis.
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:param limit: Maximum number of chassis to return.
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:param marker: the last item of the previous page; we return the next
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result set.
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:param sort_key: Attribute by which results should be sorted.
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:param sort_dir: direction in which results should be sorted.
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(asc, desc)
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"""
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@abc.abstractmethod
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def update_chassis(self, chassis_id, values):
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"""Update properties of an chassis.
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:param chassis_id: The id or the uuid of a chassis.
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:param values: Dict of values to update.
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:returns: A chassis.
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"""
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@abc.abstractmethod
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def destroy_chassis(self, chassis_id):
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"""Destroy a chassis.
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:param chassis_id: The id or the uuid of a chassis.
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"""
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@abc.abstractmethod
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def register_conductor(self, values, update_existing=False):
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"""Register an active conductor with the cluster.
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:param values: A dict of values which must contain the following:
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::
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{
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'hostname': the unique hostname which identifies
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this Conductor service.
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'drivers': a list of supported drivers.
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}
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:param update_existing: When false, registration will raise an
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exception when a conflicting online record
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is found. When true, will overwrite the
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existing record. Default: False.
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:returns: A conductor.
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:raises: ConductorAlreadyRegistered
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"""
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@abc.abstractmethod
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def get_conductor(self, hostname):
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"""Retrieve a conductor's service record from the database.
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:param hostname: The hostname of the conductor service.
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:returns: A conductor.
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:raises: ConductorNotFound
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"""
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@abc.abstractmethod
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def unregister_conductor(self, hostname):
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"""Remove this conductor from the service registry immediately.
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:param hostname: The hostname of this conductor service.
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:raises: ConductorNotFound
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"""
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@abc.abstractmethod
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def touch_conductor(self, hostname):
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"""Mark a conductor as active by updating its 'updated_at' property.
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:param hostname: The hostname of this conductor service.
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:raises: ConductorNotFound
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"""
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@abc.abstractmethod
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def get_active_driver_dict(self, interval):
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"""Retrieve drivers for the registered and active conductors.
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:param interval: Seconds since last check-in of a conductor.
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:returns: A dict which maps driver names to the set of hosts
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which support them. For example:
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::
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{driverA: set([host1, host2]),
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driverB: set([host2, host3])}
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"""
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@abc.abstractmethod
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def get_offline_conductors(self):
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"""Get a list conductor hostnames that are offline (dead).
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:returns: A list of conductor hostnames.
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"""
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@abc.abstractmethod
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def touch_node_provisioning(self, node_id):
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"""Mark the node's provisioning as running.
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Mark the node's provisioning as running by updating its
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'provision_updated_at' property.
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:param node_id: The id of a node.
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:raises: NodeNotFound
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"""
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@abc.abstractmethod
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def set_node_tags(self, node_id, tags):
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"""Replace all of the node tags with specified list of tags.
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This ignores duplicate tags in the specified list.
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:param node_id: The id of a node.
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:param tags: List of tags.
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:returns: A list of NodeTag objects.
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:raises: NodeNotFound if the node is not found.
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"""
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@abc.abstractmethod
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def unset_node_tags(self, node_id):
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"""Remove all tags of the node.
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:param node_id: The id of a node.
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:raises: NodeNotFound if the node is not found.
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"""
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@abc.abstractmethod
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def get_node_tags_by_node_id(self, node_id):
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"""Get node tags based on its id.
|
|
|
|
:param node_id: The id of a node.
|
|
:returns: A list of NodeTag objects.
|
|
:raises: NodeNotFound if the node is not found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def add_node_tag(self, node_id, tag):
|
|
"""Add tag to the node.
|
|
|
|
If the node_id and tag pair already exists, this should still
|
|
succeed.
|
|
|
|
:param node_id: The id of a node.
|
|
:param tag: A tag string.
|
|
:returns: the NodeTag object.
|
|
:raises: NodeNotFound if the node is not found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def delete_node_tag(self, node_id, tag):
|
|
"""Delete specified tag from the node.
|
|
|
|
:param node_id: The id of a node.
|
|
:param tag: A tag string.
|
|
:raises: NodeNotFound if the node is not found.
|
|
:raises: NodeTagNotFound if the tag is not found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def node_tag_exists(self, node_id, tag):
|
|
"""Check if the specified tag exist on the node.
|
|
|
|
:param node_id: The id of a node.
|
|
:param tag: A tag string.
|
|
:returns: True if the tag exists otherwise False.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def get_node_by_port_addresses(self, addresses):
|
|
"""Find a node by any matching port address.
|
|
|
|
:param addresses: list of port addresses (e.g. MACs).
|
|
:returns: Node object.
|
|
:raises: NodeNotFound if none or several nodes are found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def get_volume_connector_list(self, limit=None, marker=None,
|
|
sort_key=None, sort_dir=None):
|
|
"""Return a list of volume connectors.
|
|
|
|
:param limit: Maximum number of volume connectors to return.
|
|
:param marker: The last item of the previous page; we return the next
|
|
result set.
|
|
:param sort_key: Attribute by which results should be sorted.
|
|
:param sort_dir: Direction in which results should be sorted.
|
|
(asc, desc)
|
|
:returns: A list of volume connectors.
|
|
:raises: InvalidParameterValue If sort_key does not exist.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def get_volume_connector_by_id(self, id):
|
|
"""Return a volume connector representation.
|
|
|
|
:param id: The ID of a volume connector.
|
|
:returns: A volume connector with the specified ID.
|
|
:raises: VolumeConnectorNotFound If a volume connector
|
|
with the specified ID is not found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def get_volume_connector_by_uuid(self, connector_uuid):
|
|
"""Return a volume connector representation.
|
|
|
|
:param connector_uuid: The UUID of a connector.
|
|
:returns: A volume connector with the specified UUID.
|
|
:raises: VolumeConnectorNotFound If a volume connector
|
|
with the specified UUID is not found.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def get_volume_connectors_by_node_id(self, node_id, limit=None,
|
|
marker=None, sort_key=None,
|
|
sort_dir=None):
|
|
"""List all the volume connectors for a given node.
|
|
|
|
:param node_id: The integer node ID.
|
|
:param limit: Maximum number of volume connectors to return.
|
|
:param marker: The last item of the previous page; we return the next
|
|
result set.
|
|
:param sort_key: Attribute by which results should be sorted
|
|
:param sort_dir: Direction in which results should be sorted
|
|
(asc, desc)
|
|
:returns: A list of volume connectors.
|
|
:raises: InvalidParameterValue If sort_key does not exist.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def create_volume_connector(self, connector_info):
|
|
"""Create a new volume connector.
|
|
|
|
:param connector_info: Dictionary containing information about the
|
|
connector. Example::
|
|
|
|
{
|
|
'uuid': '000000-..',
|
|
'type': 'wwnn',
|
|
'connector_id': '00:01:02:03:04:05:06',
|
|
'node_id': 2
|
|
}
|
|
|
|
:returns: A volume connector.
|
|
:raises: VolumeConnectorTypeAndIdAlreadyExists If a connector
|
|
already exists with a matching type and connector_id.
|
|
:raises: VolumeConnectorAlreadyExists If a volume connector with
|
|
the same UUID already exists.
|
|
"""
|
|
@abc.abstractmethod
|
|
def update_volume_connector(self, ident, connector_info):
|
|
"""Update properties of a volume connector.
|
|
|
|
:param ident: The UUID or integer ID of a volume connector.
|
|
:param connector_info: Dictionary containing the information about
|
|
connector to update.
|
|
:returns: A volume connector.
|
|
:raises: VolumeConnectorTypeAndIdAlreadyExists If another
|
|
connector already exists with a matching type and
|
|
connector_id field.
|
|
:raises: VolumeConnectorNotFound If a volume connector
|
|
with the specified ident does not exist.
|
|
:raises: InvalidParameterValue When a UUID is included in
|
|
connector_info.
|
|
"""
|
|
|
|
@abc.abstractmethod
|
|
def destroy_volume_connector(self, ident):
|
|
"""Destroy a volume connector.
|
|
|
|
:param ident: The UUID or integer ID of a volume connector.
|
|
:raises: VolumeConnectorNotFound If a volume connector
|
|
with the specified ident does not exist.
|
|
"""
|