1097 lines
50 KiB
Python
1097 lines
50 KiB
Python
# Copyright 2013 Red Hat, Inc.
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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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Client side of the compute RPC API.
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"""
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from oslo_config import cfg
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from oslo_log import log as logging
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import oslo_messaging as messaging
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from oslo_serialization import jsonutils
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from nova import exception
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from nova.i18n import _, _LW
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from nova import objects
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from nova.objects import base as objects_base
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from nova import rpc
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from nova import utils
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rpcapi_opts = [
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cfg.StrOpt('compute_topic',
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default='compute',
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help='The topic compute nodes listen on'),
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]
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CONF = cfg.CONF
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CONF.register_opts(rpcapi_opts)
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rpcapi_cap_opt = cfg.StrOpt('compute',
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help='Set a version cap for messages sent to compute services. If you '
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'plan to do a live upgrade from havana to icehouse, you should '
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'set this option to "icehouse-compat" before beginning the live '
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'upgrade procedure.')
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CONF.register_opt(rpcapi_cap_opt, 'upgrade_levels')
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LOG = logging.getLogger(__name__)
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def _compute_host(host, instance):
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'''Get the destination host for a message.
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:param host: explicit host to send the message to.
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:param instance: If an explicit host was not specified, use
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instance['host']
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:returns: A host
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'''
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if host:
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return host
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if not instance:
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raise exception.NovaException(_('No compute host specified'))
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if not instance.host:
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raise exception.NovaException(_('Unable to find host for '
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'Instance %s') % instance.uuid)
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return instance.host
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class ComputeAPI(object):
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'''Client side of the compute rpc API.
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API version history:
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* 1.0 - Initial version.
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* 1.1 - Adds get_host_uptime()
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* 1.2 - Adds check_can_live_migrate_[destination|source]
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* 1.3 - Adds change_instance_metadata()
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* 1.4 - Remove instance_uuid, add instance argument to
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reboot_instance()
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* 1.5 - Remove instance_uuid, add instance argument to
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pause_instance(), unpause_instance()
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* 1.6 - Remove instance_uuid, add instance argument to
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suspend_instance()
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* 1.7 - Remove instance_uuid, add instance argument to
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get_console_output()
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* 1.8 - Remove instance_uuid, add instance argument to
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add_fixed_ip_to_instance()
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* 1.9 - Remove instance_uuid, add instance argument to attach_volume()
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* 1.10 - Remove instance_id, add instance argument to
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check_can_live_migrate_destination()
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* 1.11 - Remove instance_id, add instance argument to
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check_can_live_migrate_source()
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* 1.12 - Remove instance_uuid, add instance argument to
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confirm_resize()
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* 1.13 - Remove instance_uuid, add instance argument to detach_volume()
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* 1.14 - Remove instance_uuid, add instance argument to finish_resize()
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* 1.15 - Remove instance_uuid, add instance argument to
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finish_revert_resize()
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* 1.16 - Remove instance_uuid, add instance argument to
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get_diagnostics()
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* 1.17 - Remove instance_uuid, add instance argument to
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get_vnc_console()
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* 1.18 - Remove instance_uuid, add instance argument to inject_file()
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* 1.19 - Remove instance_uuid, add instance argument to
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inject_network_info()
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* 1.20 - Remove instance_id, add instance argument to
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post_live_migration_at_destination()
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* 1.21 - Remove instance_uuid, add instance argument to
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power_off_instance() and stop_instance()
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* 1.22 - Remove instance_uuid, add instance argument to
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power_on_instance() and start_instance()
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* 1.23 - Remove instance_id, add instance argument to
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pre_live_migration()
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* 1.24 - Remove instance_uuid, add instance argument to
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rebuild_instance()
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* 1.25 - Remove instance_uuid, add instance argument to
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remove_fixed_ip_from_instance()
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* 1.26 - Remove instance_id, add instance argument to
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remove_volume_connection()
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* 1.27 - Remove instance_uuid, add instance argument to
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rescue_instance()
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* 1.28 - Remove instance_uuid, add instance argument to reset_network()
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* 1.29 - Remove instance_uuid, add instance argument to
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resize_instance()
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* 1.30 - Remove instance_uuid, add instance argument to
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resume_instance()
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* 1.31 - Remove instance_uuid, add instance argument to revert_resize()
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* 1.32 - Remove instance_id, add instance argument to
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rollback_live_migration_at_destination()
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* 1.33 - Remove instance_uuid, add instance argument to
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set_admin_password()
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* 1.34 - Remove instance_uuid, add instance argument to
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snapshot_instance()
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* 1.35 - Remove instance_uuid, add instance argument to
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unrescue_instance()
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* 1.36 - Remove instance_uuid, add instance argument to
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change_instance_metadata()
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* 1.37 - Remove instance_uuid, add instance argument to
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terminate_instance()
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* 1.38 - Changes to prep_resize():
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* remove instance_uuid, add instance
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* remove instance_type_id, add instance_type
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* remove topic, it was unused
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* 1.39 - Remove instance_uuid, add instance argument to run_instance()
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* 1.40 - Remove instance_id, add instance argument to live_migration()
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* 1.41 - Adds refresh_instance_security_rules()
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* 1.42 - Add reservations arg to prep_resize(), resize_instance(),
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finish_resize(), confirm_resize(), revert_resize() and
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finish_revert_resize()
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* 1.43 - Add migrate_data to live_migration()
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* 1.44 - Adds reserve_block_device_name()
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* 2.0 - Remove 1.x backwards compat
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* 2.1 - Adds orig_sys_metadata to rebuild_instance()
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* 2.2 - Adds slave_info parameter to add_aggregate_host() and
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remove_aggregate_host()
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* 2.3 - Adds volume_id to reserve_block_device_name()
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* 2.4 - Add bdms to terminate_instance
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* 2.5 - Add block device and network info to reboot_instance
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* 2.6 - Remove migration_id, add migration to resize_instance
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* 2.7 - Remove migration_id, add migration to confirm_resize
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* 2.8 - Remove migration_id, add migration to finish_resize
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* 2.9 - Add publish_service_capabilities()
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* 2.10 - Adds filter_properties and request_spec to prep_resize()
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* 2.11 - Adds soft_delete_instance() and restore_instance()
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* 2.12 - Remove migration_id, add migration to revert_resize
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* 2.13 - Remove migration_id, add migration to finish_revert_resize
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* 2.14 - Remove aggregate_id, add aggregate to add_aggregate_host
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* 2.15 - Remove aggregate_id, add aggregate to remove_aggregate_host
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* 2.16 - Add instance_type to resize_instance
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* 2.17 - Add get_backdoor_port()
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* 2.18 - Add bdms to rebuild_instance
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* 2.19 - Add node to run_instance
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* 2.20 - Add node to prep_resize
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* 2.21 - Add migrate_data dict param to pre_live_migration()
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* 2.22 - Add recreate, on_shared_storage and host arguments to
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rebuild_instance()
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* 2.23 - Remove network_info from reboot_instance
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* 2.24 - Added get_spice_console method
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* 2.25 - Add attach_interface() and detach_interface()
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* 2.26 - Add validate_console_port to ensure the service connects to
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vnc on the correct port
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* 2.27 - Adds 'reservations' to terminate_instance() and
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soft_delete_instance()
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... Grizzly supports message version 2.27. So, any changes to existing
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methods in 2.x after that point should be done such that they can
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handle the version_cap being set to 2.27.
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* 2.28 - Adds check_instance_shared_storage()
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* 2.29 - Made start_instance() and stop_instance() take new-world
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instance objects
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* 2.30 - Adds live_snapshot_instance()
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* 2.31 - Adds shelve_instance(), shelve_offload_instance, and
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unshelve_instance()
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* 2.32 - Make reboot_instance take a new world instance object
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* 2.33 - Made suspend_instance() and resume_instance() take new-world
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instance objects
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* 2.34 - Added swap_volume()
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* 2.35 - Made terminate_instance() and soft_delete_instance() take
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new-world instance objects
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* 2.36 - Made pause_instance() and unpause_instance() take new-world
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instance objects
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* 2.37 - Added the legacy_bdm_in_spec parameter to run_instance
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* 2.38 - Made check_can_live_migrate_[destination|source] take
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new-world instance objects
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* 2.39 - Made revert_resize() and confirm_resize() take new-world
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instance objects
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* 2.40 - Made reset_network() take new-world instance object
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* 2.41 - Make inject_network_info take new-world instance object
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* 2.42 - Splits snapshot_instance() into snapshot_instance() and
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backup_instance() and makes them take new-world instance
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objects.
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* 2.43 - Made prep_resize() take new-world instance object
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* 2.44 - Add volume_snapshot_create(), volume_snapshot_delete()
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* 2.45 - Made resize_instance() take new-world objects
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* 2.46 - Made finish_resize() take new-world objects
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* 2.47 - Made finish_revert_resize() take new-world objects
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... Havana supports message version 2.47. So, any changes to existing
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methods in 2.x after that point should be done such that they can
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handle the version_cap being set to 2.47.
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* 2.48 - Make add_aggregate_host() and remove_aggregate_host() take
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new-world objects
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* ... - Remove live_snapshot() that was never actually used
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* 3.0 - Remove 2.x compatibility
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* 3.1 - Update get_spice_console() to take an instance object
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* 3.2 - Update get_vnc_console() to take an instance object
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* 3.3 - Update validate_console_port() to take an instance object
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* 3.4 - Update rebuild_instance() to take an instance object
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* 3.5 - Pass preserve_ephemeral flag to rebuild_instance()
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* 3.6 - Make volume_snapshot_{create,delete} use new-world objects
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* 3.7 - Update change_instance_metadata() to take an instance object
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* 3.8 - Update set_admin_password() to take an instance object
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* 3.9 - Update rescue_instance() to take an instance object
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* 3.10 - Added get_rdp_console method
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* 3.11 - Update unrescue_instance() to take an object
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* 3.12 - Update add_fixed_ip_to_instance() to take an object
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* 3.13 - Update remove_fixed_ip_from_instance() to take an object
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* 3.14 - Update post_live_migration_at_destination() to take an object
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* 3.15 - Adds filter_properties and node to unshelve_instance()
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* 3.16 - Make reserve_block_device_name and attach_volume use new-world
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objects, and add disk_bus and device_type params to
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reserve_block_device_name, and bdm param to attach_volume
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* 3.17 - Update attach_interface and detach_interface to take an object
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* 3.18 - Update get_diagnostics() to take an instance object
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* Removed inject_file(), as it was unused.
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* 3.19 - Update pre_live_migration to take instance object
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* 3.20 - Make restore_instance take an instance object
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* 3.21 - Made rebuild take new-world BDM objects
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* 3.22 - Made terminate_instance take new-world BDM objects
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* 3.23 - Added external_instance_event()
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* build_and_run_instance was added in Havana and not used or
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documented.
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... Icehouse supports message version 3.23. So, any changes to
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existing methods in 3.x after that point should be done such that they
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can handle the version_cap being set to 3.23.
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* 3.24 - Update rescue_instance() to take optional rescue_image_ref
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* 3.25 - Make detach_volume take an object
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* 3.26 - Make live_migration() and
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rollback_live_migration_at_destination() take an object
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* ... Removed run_instance()
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* 3.27 - Make run_instance() accept a new-world object
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* 3.28 - Update get_console_output() to accept a new-world object
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* 3.29 - Make check_instance_shared_storage accept a new-world object
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* 3.30 - Make remove_volume_connection() accept a new-world object
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* 3.31 - Add get_instance_diagnostics
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* 3.32 - Add destroy_disks and migrate_data optional parameters to
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rollback_live_migration_at_destination()
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* 3.33 - Make build_and_run_instance() take a NetworkRequestList object
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* 3.34 - Add get_serial_console method
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* 3.35 - Make reserve_block_device_name return a BDM object
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... Juno supports message version 3.35. So, any changes to
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existing methods in 3.x after that point should be done such that they
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can handle the version_cap being set to 3.35.
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* 3.36 - Make build_and_run_instance() send a Flavor object
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* 3.37 - Add clean_shutdown to stop, resize, rescue, shelve, and
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shelve_offload
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* 3.38 - Add clean_shutdown to prep_resize
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* 3.39 - Add quiesce_instance and unquiesce_instance methods
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* 3.40 - Make build_and_run_instance() take a new-world topology
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limits object
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... Kilo supports messaging version 3.40. So, any changes to
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existing methods in 3.x after that point should be done so that they
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can handle the version_cap being set to 3.40
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* 4.0 - Remove 3.x compatibility
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'''
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VERSION_ALIASES = {
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'icehouse': '3.23',
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'juno': '3.35',
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'kilo': '3.40',
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}
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def __init__(self):
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super(ComputeAPI, self).__init__()
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target = messaging.Target(topic=CONF.compute_topic, version='4.0')
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version_cap = self.VERSION_ALIASES.get(CONF.upgrade_levels.compute,
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CONF.upgrade_levels.compute)
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serializer = objects_base.NovaObjectSerializer()
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self.client = self.get_client(target, version_cap, serializer)
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def _compat_ver(self, current, legacy):
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if self.client.can_send_version(current):
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return current
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else:
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return legacy
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# Cells overrides this
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def get_client(self, target, version_cap, serializer):
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return rpc.get_client(target,
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version_cap=version_cap,
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serializer=serializer)
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def add_aggregate_host(self, ctxt, aggregate, host_param, host,
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slave_info=None):
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'''Add aggregate host.
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:param ctxt: request context
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:param aggregate:
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:param host_param: This value is placed in the message to be the 'host'
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parameter for the remote method.
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:param host: This is the host to send the message to.
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'''
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version = self._compat_ver('4.0', '3.0')
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cctxt = self.client.prepare(server=host, version=version)
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cctxt.cast(ctxt, 'add_aggregate_host',
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aggregate=aggregate, host=host_param,
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slave_info=slave_info)
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def add_fixed_ip_to_instance(self, ctxt, instance, network_id):
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version = self._compat_ver('4.0', '3.12')
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cctxt = self.client.prepare(server=_compute_host(None, instance),
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version=version)
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cctxt.cast(ctxt, 'add_fixed_ip_to_instance',
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instance=instance, network_id=network_id)
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def attach_interface(self, ctxt, instance, network_id, port_id,
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requested_ip):
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version = self._compat_ver('4.0', '3.17')
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cctxt = self.client.prepare(server=_compute_host(None, instance),
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version=version)
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return cctxt.call(ctxt, 'attach_interface',
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instance=instance, network_id=network_id,
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port_id=port_id, requested_ip=requested_ip)
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def attach_volume(self, ctxt, instance, volume_id, mountpoint, bdm=None):
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kw = {'instance': instance, 'bdm': bdm}
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if self.client.can_send_version('4.0'):
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version = '4.0'
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else:
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version = '3.16'
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kw['mountpoint'] = mountpoint
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kw['volume_id'] = volume_id
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cctxt = self.client.prepare(server=_compute_host(None, instance),
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version=version)
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cctxt.cast(ctxt, 'attach_volume', **kw)
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def change_instance_metadata(self, ctxt, instance, diff):
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version = self._compat_ver('4.0', '3.7')
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cctxt = self.client.prepare(server=_compute_host(None, instance),
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version=version)
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cctxt.cast(ctxt, 'change_instance_metadata',
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instance=instance, diff=diff)
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def _warn_buggy_live_migrations(self, data=None):
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# NOTE(danms): We know that libvirt live migration with shared block
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# storage was buggy (potential loss of data) before version 3.32.
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# Since we need to support live migration with older clients, we need
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# to warn the operator of this possibility. The logic below tries to
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# decide if a warning should be emitted, assuming the positive if
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# not sure. This can be removed when we bump to RPC API version 4.0.
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if data:
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if data.get('is_shared_block_storage') is not False:
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# Shared block storage, or unknown
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should_warn = True
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else:
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# Specifically not shared block storage
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should_warn = False
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else:
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# Unknown, so warn to be safe
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should_warn = True
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if should_warn:
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LOG.warning(_LW('Live migration with clients before RPC version '
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'3.32 is known to be buggy with shared block '
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'storage. See '
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'https://bugs.launchpad.net/nova/+bug/1250751 for '
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'more information!'))
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def check_can_live_migrate_destination(self, ctxt, instance, destination,
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block_migration, disk_over_commit):
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if self.client.can_send_version('4.0'):
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version = '4.0'
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elif self.client.can_send_version('3.32'):
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version = '3.32'
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else:
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version = '3.0'
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self._warn_buggy_live_migrations()
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cctxt = self.client.prepare(server=destination, version=version)
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return cctxt.call(ctxt, 'check_can_live_migrate_destination',
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instance=instance,
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block_migration=block_migration,
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disk_over_commit=disk_over_commit)
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def check_can_live_migrate_source(self, ctxt, instance, dest_check_data):
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if self.client.can_send_version('4.0'):
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version = '4.0'
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elif self.client.can_send_version('3.32'):
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version = '3.32'
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else:
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version = '3.0'
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self._warn_buggy_live_migrations()
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source = _compute_host(None, instance)
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cctxt = self.client.prepare(server=source, version=version)
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return cctxt.call(ctxt, 'check_can_live_migrate_source',
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instance=instance,
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dest_check_data=dest_check_data)
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def check_instance_shared_storage(self, ctxt, instance, data, host=None):
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if self.client.can_send_version('4.0'):
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version = '4.0'
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elif self.client.can_send_version('3.29'):
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version = '3.29'
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else:
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version = '3.0'
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instance = jsonutils.to_primitive(instance)
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cctxt = self.client.prepare(server=_compute_host(host, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'check_instance_shared_storage',
|
|
instance=instance,
|
|
data=data)
|
|
|
|
def confirm_resize(self, ctxt, instance, migration, host,
|
|
reservations=None, cast=True):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(host, instance),
|
|
version=version)
|
|
rpc_method = cctxt.cast if cast else cctxt.call
|
|
return rpc_method(ctxt, 'confirm_resize',
|
|
instance=instance, migration=migration,
|
|
reservations=reservations)
|
|
|
|
def detach_interface(self, ctxt, instance, port_id):
|
|
version = self._compat_ver('4.0', '3.17')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'detach_interface',
|
|
instance=instance, port_id=port_id)
|
|
|
|
def detach_volume(self, ctxt, instance, volume_id):
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
elif self.client.can_send_version('3.25'):
|
|
version = '3.25'
|
|
else:
|
|
version = '3.0'
|
|
instance = jsonutils.to_primitive(instance)
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'detach_volume',
|
|
instance=instance, volume_id=volume_id)
|
|
|
|
def finish_resize(self, ctxt, instance, migration, image, disk_info,
|
|
host, reservations=None):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'finish_resize',
|
|
instance=instance, migration=migration,
|
|
image=image, disk_info=disk_info, reservations=reservations)
|
|
|
|
def finish_revert_resize(self, ctxt, instance, migration, host,
|
|
reservations=None):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'finish_revert_resize',
|
|
instance=instance, migration=migration,
|
|
reservations=reservations)
|
|
|
|
def get_console_output(self, ctxt, instance, tail_length):
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
elif self.client.can_send_version('3.28'):
|
|
version = '3.28'
|
|
else:
|
|
version = '3.0'
|
|
instance = jsonutils.to_primitive(instance)
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_console_output',
|
|
instance=instance, tail_length=tail_length)
|
|
|
|
def get_console_pool_info(self, ctxt, console_type, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'get_console_pool_info',
|
|
console_type=console_type)
|
|
|
|
def get_console_topic(self, ctxt, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'get_console_topic')
|
|
|
|
def get_diagnostics(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.18')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_diagnostics', instance=instance)
|
|
|
|
def get_instance_diagnostics(self, ctxt, instance):
|
|
instance_p = jsonutils.to_primitive(instance)
|
|
kwargs = {'instance': instance_p}
|
|
version = self._compat_ver('4.0', '3.31')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_instance_diagnostics', **kwargs)
|
|
|
|
def get_vnc_console(self, ctxt, instance, console_type):
|
|
version = self._compat_ver('4.0', '3.2')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_vnc_console',
|
|
instance=instance, console_type=console_type)
|
|
|
|
def get_spice_console(self, ctxt, instance, console_type):
|
|
version = self._compat_ver('4.0', '3.1')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_spice_console',
|
|
instance=instance, console_type=console_type)
|
|
|
|
def get_rdp_console(self, ctxt, instance, console_type):
|
|
version = self._compat_ver('4.0', '3.10')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_rdp_console',
|
|
instance=instance, console_type=console_type)
|
|
|
|
def get_serial_console(self, ctxt, instance, console_type):
|
|
version = self._compat_ver('4.0', '3.34')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'get_serial_console',
|
|
instance=instance, console_type=console_type)
|
|
|
|
def validate_console_port(self, ctxt, instance, port, console_type):
|
|
version = self._compat_ver('4.0', '3.3')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'validate_console_port',
|
|
instance=instance, port=port,
|
|
console_type=console_type)
|
|
|
|
def host_maintenance_mode(self, ctxt, host_param, mode, host):
|
|
'''Set host maintenance mode
|
|
|
|
:param ctxt: request context
|
|
:param host_param: This value is placed in the message to be the 'host'
|
|
parameter for the remote method.
|
|
:param mode:
|
|
:param host: This is the host to send the message to.
|
|
'''
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'host_maintenance_mode',
|
|
host=host_param, mode=mode)
|
|
|
|
def host_power_action(self, ctxt, action, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'host_power_action', action=action)
|
|
|
|
def inject_network_info(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'inject_network_info', instance=instance)
|
|
|
|
def live_migration(self, ctxt, instance, dest, block_migration, host,
|
|
migrate_data=None):
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
elif self.client.can_send_version('3.26'):
|
|
version = '3.26'
|
|
else:
|
|
version = '3.0'
|
|
instance = jsonutils.to_primitive(instance)
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'live_migration', instance=instance,
|
|
dest=dest, block_migration=block_migration,
|
|
migrate_data=migrate_data)
|
|
|
|
def pause_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'pause_instance', instance=instance)
|
|
|
|
def post_live_migration_at_destination(self, ctxt, instance,
|
|
block_migration, host):
|
|
version = self._compat_ver('4.0', '3.14')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'post_live_migration_at_destination',
|
|
instance=instance, block_migration=block_migration)
|
|
|
|
def pre_live_migration(self, ctxt, instance, block_migration, disk,
|
|
host, migrate_data=None):
|
|
version = self._compat_ver('4.0', '3.19')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'pre_live_migration',
|
|
instance=instance,
|
|
block_migration=block_migration,
|
|
disk=disk, migrate_data=migrate_data)
|
|
|
|
def prep_resize(self, ctxt, image, instance, instance_type, host,
|
|
reservations=None, request_spec=None,
|
|
filter_properties=None, node=None,
|
|
clean_shutdown=True):
|
|
instance_type_p = jsonutils.to_primitive(instance_type)
|
|
image_p = jsonutils.to_primitive(image)
|
|
msg_args = {'instance': instance,
|
|
'instance_type': instance_type_p,
|
|
'image': image_p,
|
|
'reservations': reservations,
|
|
'request_spec': request_spec,
|
|
'filter_properties': filter_properties,
|
|
'node': node,
|
|
'clean_shutdown': clean_shutdown}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
elif self.client.can_send_version('3.38'):
|
|
version = '3.38'
|
|
else:
|
|
del msg_args['clean_shutdown']
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'prep_resize', **msg_args)
|
|
|
|
def reboot_instance(self, ctxt, instance, block_device_info,
|
|
reboot_type):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'reboot_instance',
|
|
instance=instance,
|
|
block_device_info=block_device_info,
|
|
reboot_type=reboot_type)
|
|
|
|
def rebuild_instance(self, ctxt, instance, new_pass, injected_files,
|
|
image_ref, orig_image_ref, orig_sys_metadata, bdms,
|
|
recreate=False, on_shared_storage=False, host=None,
|
|
preserve_ephemeral=False, kwargs=None):
|
|
# NOTE(danms): kwargs is only here for cells compatibility, don't
|
|
# actually send it to compute
|
|
extra = {'preserve_ephemeral': preserve_ephemeral}
|
|
version = self._compat_ver('4.0', '3.21')
|
|
cctxt = self.client.prepare(server=_compute_host(host, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'rebuild_instance',
|
|
instance=instance, new_pass=new_pass,
|
|
injected_files=injected_files, image_ref=image_ref,
|
|
orig_image_ref=orig_image_ref,
|
|
orig_sys_metadata=orig_sys_metadata, bdms=bdms,
|
|
recreate=recreate, on_shared_storage=on_shared_storage,
|
|
**extra)
|
|
|
|
def refresh_provider_fw_rules(self, ctxt, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'refresh_provider_fw_rules')
|
|
|
|
def remove_aggregate_host(self, ctxt, aggregate, host_param, host,
|
|
slave_info=None):
|
|
'''Remove aggregate host.
|
|
|
|
:param ctxt: request context
|
|
:param aggregate:
|
|
:param host_param: This value is placed in the message to be the 'host'
|
|
parameter for the remote method.
|
|
:param host: This is the host to send the message to.
|
|
'''
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'remove_aggregate_host',
|
|
aggregate=aggregate, host=host_param,
|
|
slave_info=slave_info)
|
|
|
|
def remove_fixed_ip_from_instance(self, ctxt, instance, address):
|
|
version = self._compat_ver('4.0', '3.13')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'remove_fixed_ip_from_instance',
|
|
instance=instance, address=address)
|
|
|
|
def remove_volume_connection(self, ctxt, instance, volume_id, host):
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
elif self.client.can_send_version('3.30'):
|
|
version = '3.30'
|
|
else:
|
|
version = '3.0'
|
|
instance = jsonutils.to_primitive(instance)
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'remove_volume_connection',
|
|
instance=instance, volume_id=volume_id)
|
|
|
|
def rescue_instance(self, ctxt, instance, rescue_password,
|
|
rescue_image_ref=None, clean_shutdown=True):
|
|
msg_args = {'rescue_password': rescue_password}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
msg_args['rescue_image_ref'] = rescue_image_ref
|
|
elif self.client.can_send_version('3.37'):
|
|
version = '3.37'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
msg_args['rescue_image_ref'] = rescue_image_ref
|
|
elif self.client.can_send_version('3.24'):
|
|
version = '3.24'
|
|
msg_args['rescue_image_ref'] = rescue_image_ref
|
|
else:
|
|
version = '3.9'
|
|
msg_args['instance'] = instance
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'rescue_instance', **msg_args)
|
|
|
|
def reset_network(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'reset_network', instance=instance)
|
|
|
|
def resize_instance(self, ctxt, instance, migration, image, instance_type,
|
|
reservations=None, clean_shutdown=True):
|
|
instance_type_p = jsonutils.to_primitive(instance_type)
|
|
msg_args = {'instance': instance, 'migration': migration,
|
|
'image': image, 'reservations': reservations,
|
|
'instance_type': instance_type_p}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
elif self.client.can_send_version('3.37'):
|
|
version = '3.37'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
else:
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'resize_instance', **msg_args)
|
|
|
|
def resume_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'resume_instance', instance=instance)
|
|
|
|
def revert_resize(self, ctxt, instance, migration, host,
|
|
reservations=None):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(host, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'revert_resize',
|
|
instance=instance, migration=migration,
|
|
reservations=reservations)
|
|
|
|
def rollback_live_migration_at_destination(self, ctxt, instance, host,
|
|
destroy_disks=True,
|
|
migrate_data=None):
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
extra = {'destroy_disks': destroy_disks,
|
|
'migrate_data': migrate_data,
|
|
}
|
|
elif self.client.can_send_version('3.32'):
|
|
version = '3.32'
|
|
extra = {'destroy_disks': destroy_disks,
|
|
'migrate_data': migrate_data,
|
|
}
|
|
else:
|
|
version = '3.0'
|
|
extra = {}
|
|
self._warn_buggy_live_migrations(migrate_data)
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'rollback_live_migration_at_destination',
|
|
instance=instance, **extra)
|
|
|
|
def set_admin_password(self, ctxt, instance, new_pass):
|
|
version = self._compat_ver('4.0', '3.8')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'set_admin_password',
|
|
instance=instance, new_pass=new_pass)
|
|
|
|
def set_host_enabled(self, ctxt, enabled, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'set_host_enabled', enabled=enabled)
|
|
|
|
def swap_volume(self, ctxt, instance, old_volume_id, new_volume_id):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'swap_volume',
|
|
instance=instance, old_volume_id=old_volume_id,
|
|
new_volume_id=new_volume_id)
|
|
|
|
def get_host_uptime(self, ctxt, host):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
return cctxt.call(ctxt, 'get_host_uptime')
|
|
|
|
def reserve_block_device_name(self, ctxt, instance, device, volume_id,
|
|
disk_bus=None, device_type=None):
|
|
kw = {'instance': instance, 'device': device,
|
|
'volume_id': volume_id, 'disk_bus': disk_bus,
|
|
'device_type': device_type, 'return_bdm_object': True}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
del kw['return_bdm_object']
|
|
elif self.client.can_send_version('3.35'):
|
|
version = '3.35'
|
|
else:
|
|
del kw['return_bdm_object']
|
|
version = '3.16'
|
|
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
volume_bdm = cctxt.call(ctxt, 'reserve_block_device_name', **kw)
|
|
if not isinstance(volume_bdm, objects.BlockDeviceMapping):
|
|
volume_bdm = objects.BlockDeviceMapping.get_by_volume_id(
|
|
ctxt, volume_id)
|
|
return volume_bdm
|
|
|
|
def backup_instance(self, ctxt, instance, image_id, backup_type,
|
|
rotation):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'backup_instance',
|
|
instance=instance,
|
|
image_id=image_id,
|
|
backup_type=backup_type,
|
|
rotation=rotation)
|
|
|
|
def snapshot_instance(self, ctxt, instance, image_id):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'snapshot_instance',
|
|
instance=instance,
|
|
image_id=image_id)
|
|
|
|
def start_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'start_instance', instance=instance)
|
|
|
|
def stop_instance(self, ctxt, instance, do_cast=True, clean_shutdown=True):
|
|
msg_args = {'instance': instance}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
elif self.client.can_send_version('3.37'):
|
|
version = '3.37'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
else:
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
rpc_method = cctxt.cast if do_cast else cctxt.call
|
|
return rpc_method(ctxt, 'stop_instance', **msg_args)
|
|
|
|
def suspend_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'suspend_instance', instance=instance)
|
|
|
|
def terminate_instance(self, ctxt, instance, bdms, reservations=None):
|
|
version = self._compat_ver('4.0', '3.22')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'terminate_instance',
|
|
instance=instance, bdms=bdms,
|
|
reservations=reservations)
|
|
|
|
def unpause_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'unpause_instance', instance=instance)
|
|
|
|
def unrescue_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.11')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'unrescue_instance', instance=instance)
|
|
|
|
def soft_delete_instance(self, ctxt, instance, reservations=None):
|
|
version = self._compat_ver('4.0', '3.0')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'soft_delete_instance',
|
|
instance=instance, reservations=reservations)
|
|
|
|
def restore_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.20')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'restore_instance', instance=instance)
|
|
|
|
def shelve_instance(self, ctxt, instance, image_id=None,
|
|
clean_shutdown=True):
|
|
msg_args = {'instance': instance, 'image_id': image_id}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
elif self.client.can_send_version('3.37'):
|
|
version = '3.37'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
else:
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'shelve_instance', **msg_args)
|
|
|
|
def shelve_offload_instance(self, ctxt, instance,
|
|
clean_shutdown=True):
|
|
msg_args = {'instance': instance}
|
|
if self.client.can_send_version('4.0'):
|
|
version = '4.0'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
elif self.client.can_send_version('3.37'):
|
|
version = '3.37'
|
|
msg_args['clean_shutdown'] = clean_shutdown
|
|
else:
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'shelve_offload_instance', **msg_args)
|
|
|
|
def unshelve_instance(self, ctxt, instance, host, image=None,
|
|
filter_properties=None, node=None):
|
|
version = self._compat_ver('4.0', '3.15')
|
|
msg_kwargs = {
|
|
'instance': instance,
|
|
'image': image,
|
|
'filter_properties': filter_properties,
|
|
'node': node,
|
|
}
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'unshelve_instance', **msg_kwargs)
|
|
|
|
def volume_snapshot_create(self, ctxt, instance, volume_id,
|
|
create_info):
|
|
version = self._compat_ver('4.0', '3.6')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'volume_snapshot_create', instance=instance,
|
|
volume_id=volume_id, create_info=create_info)
|
|
|
|
def volume_snapshot_delete(self, ctxt, instance, volume_id, snapshot_id,
|
|
delete_info):
|
|
version = self._compat_ver('4.0', '3.6')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'volume_snapshot_delete', instance=instance,
|
|
volume_id=volume_id, snapshot_id=snapshot_id,
|
|
delete_info=delete_info)
|
|
|
|
def external_instance_event(self, ctxt, instances, events):
|
|
cctxt = self.client.prepare(
|
|
server=_compute_host(None, instances[0]),
|
|
version=self._compat_ver('4.0', '3.23'))
|
|
cctxt.cast(ctxt, 'external_instance_event', instances=instances,
|
|
events=events)
|
|
|
|
def build_and_run_instance(self, ctxt, instance, host, image, request_spec,
|
|
filter_properties, admin_password=None, injected_files=None,
|
|
requested_networks=None, security_groups=None,
|
|
block_device_mapping=None, node=None, limits=None):
|
|
|
|
version = '4.0'
|
|
if not self.client.can_send_version(version):
|
|
version = '3.40'
|
|
if not self.client.can_send_version(version):
|
|
version = '3.36'
|
|
if 'numa_topology' in limits and limits['numa_topology']:
|
|
topology_limits = limits['numa_topology']
|
|
if node is not None:
|
|
cnode = objects.ComputeNode.get_by_host_and_nodename(
|
|
ctxt, host, node)
|
|
else:
|
|
cnode = (
|
|
objects.ComputeNode.
|
|
get_first_node_by_host_for_old_compat(
|
|
ctxt, host))
|
|
host_topology = objects.NUMATopology.obj_from_db_obj(
|
|
cnode.numa_topology)
|
|
limits['numa_topology'] = jsonutils.dumps(
|
|
topology_limits.to_dict_legacy(host_topology))
|
|
if not self.client.can_send_version(version):
|
|
version = '3.33'
|
|
if 'instance_type' in filter_properties:
|
|
flavor = filter_properties['instance_type']
|
|
flavor_p = objects_base.obj_to_primitive(flavor)
|
|
filter_properties = dict(filter_properties,
|
|
instance_type=flavor_p)
|
|
if not self.client.can_send_version(version):
|
|
version = '3.23'
|
|
if requested_networks is not None:
|
|
if utils.is_neutron():
|
|
requested_networks = [(network_id, address, port_id)
|
|
for (network_id, address, port_id, _) in
|
|
requested_networks.as_tuples()]
|
|
else:
|
|
requested_networks = [(network_id, address)
|
|
for (network_id, address) in
|
|
requested_networks.as_tuples()]
|
|
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'build_and_run_instance', instance=instance,
|
|
image=image, request_spec=request_spec,
|
|
filter_properties=filter_properties,
|
|
admin_password=admin_password,
|
|
injected_files=injected_files,
|
|
requested_networks=requested_networks,
|
|
security_groups=security_groups,
|
|
block_device_mapping=block_device_mapping, node=node,
|
|
limits=limits)
|
|
|
|
def quiesce_instance(self, ctxt, instance):
|
|
version = self._compat_ver('4.0', '3.39')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
return cctxt.call(ctxt, 'quiesce_instance', instance=instance)
|
|
|
|
def unquiesce_instance(self, ctxt, instance, mapping=None):
|
|
version = self._compat_ver('4.0', '3.39')
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'unquiesce_instance', instance=instance,
|
|
mapping=mapping)
|
|
|
|
|
|
class SecurityGroupAPI(object):
|
|
'''Client side of the security group rpc API.
|
|
|
|
API version history:
|
|
|
|
1.0 - Initial version.
|
|
1.41 - Adds refresh_instance_security_rules()
|
|
|
|
2.0 - Remove 1.x backwards compat
|
|
|
|
3.0 - Identical to 2.x, but has to be bumped at the same time as the
|
|
compute API since it's all together on the server side.
|
|
'''
|
|
|
|
def __init__(self):
|
|
super(SecurityGroupAPI, self).__init__()
|
|
target = messaging.Target(topic=CONF.compute_topic, version='3.0')
|
|
version_cap = ComputeAPI.VERSION_ALIASES.get(
|
|
CONF.upgrade_levels.compute, CONF.upgrade_levels.compute)
|
|
self.client = rpc.get_client(target, version_cap)
|
|
|
|
def refresh_security_group_rules(self, ctxt, security_group_id, host):
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'refresh_security_group_rules',
|
|
security_group_id=security_group_id)
|
|
|
|
def refresh_security_group_members(self, ctxt, security_group_id,
|
|
host):
|
|
version = '3.0'
|
|
cctxt = self.client.prepare(server=host, version=version)
|
|
cctxt.cast(ctxt, 'refresh_security_group_members',
|
|
security_group_id=security_group_id)
|
|
|
|
def refresh_instance_security_rules(self, ctxt, host, instance):
|
|
version = '3.0'
|
|
instance_p = jsonutils.to_primitive(instance)
|
|
cctxt = self.client.prepare(server=_compute_host(None, instance),
|
|
version=version)
|
|
cctxt.cast(ctxt, 'refresh_instance_security_rules',
|
|
instance=instance_p)
|