730 lines
30 KiB
Python
730 lines
30 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
|
|
# Copyright (c) 2012 VMware, Inc.
|
|
# Copyright (c) 2011 Citrix Systems, Inc.
|
|
# Copyright 2011 OpenStack Foundation
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""
|
|
A connection to the VMware vCenter platform.
|
|
"""
|
|
|
|
import re
|
|
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
from oslo_log import versionutils
|
|
from oslo_serialization import jsonutils
|
|
from oslo_vmware import api
|
|
from oslo_vmware import exceptions as vexc
|
|
from oslo_vmware import pbm
|
|
from oslo_vmware import vim
|
|
from oslo_vmware import vim_util
|
|
import six
|
|
|
|
from nova import exception
|
|
from nova import utils
|
|
from nova.i18n import _, _LI, _LW
|
|
from nova.virt import driver
|
|
from nova.virt.vmwareapi import constants
|
|
from nova.virt.vmwareapi import error_util
|
|
from nova.virt.vmwareapi import host
|
|
from nova.virt.vmwareapi import vim_util as nova_vim_util
|
|
from nova.virt.vmwareapi import vm_util
|
|
from nova.virt.vmwareapi import vmops
|
|
from nova.virt.vmwareapi import volumeops
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
vmwareapi_opts = [
|
|
cfg.StrOpt('host_ip',
|
|
help='Hostname or IP address for connection to VMware '
|
|
'vCenter host.'),
|
|
cfg.IntOpt('host_port',
|
|
default=443,
|
|
help='Port for connection to VMware vCenter host.'),
|
|
cfg.StrOpt('host_username',
|
|
help='Username for connection to VMware vCenter host.'),
|
|
cfg.StrOpt('host_password',
|
|
help='Password for connection to VMware vCenter host.',
|
|
secret=True),
|
|
cfg.MultiStrOpt('cluster_name',
|
|
help='Name of a VMware Cluster ComputeResource.'),
|
|
cfg.StrOpt('datastore_regex',
|
|
help='Regex to match the name of a datastore.'),
|
|
cfg.FloatOpt('task_poll_interval',
|
|
default=0.5,
|
|
help='The interval used for polling of remote tasks.'),
|
|
cfg.IntOpt('api_retry_count',
|
|
default=10,
|
|
help='The number of times we retry on failures, e.g., '
|
|
'socket error, etc.'),
|
|
cfg.IntOpt('vnc_port',
|
|
default=5900,
|
|
help='VNC starting port'),
|
|
cfg.IntOpt('vnc_port_total',
|
|
default=10000,
|
|
help='Total number of VNC ports'),
|
|
cfg.BoolOpt('use_linked_clone',
|
|
default=True,
|
|
help='Whether to use linked clone'),
|
|
cfg.StrOpt('wsdl_location',
|
|
help='Optional VIM Service WSDL Location '
|
|
'e.g http://<server>/vimService.wsdl. '
|
|
'Optional over-ride to default location for bug '
|
|
'work-arounds')
|
|
]
|
|
|
|
spbm_opts = [
|
|
cfg.BoolOpt('pbm_enabled',
|
|
default=False,
|
|
help='The PBM status.'),
|
|
cfg.StrOpt('pbm_wsdl_location',
|
|
help='PBM service WSDL file location URL. '
|
|
'e.g. file:///opt/SDK/spbm/wsdl/pbmService.wsdl '
|
|
'Not setting this will disable storage policy based '
|
|
'placement of instances.'),
|
|
cfg.StrOpt('pbm_default_policy',
|
|
help='The PBM default policy. If pbm_wsdl_location is set and '
|
|
'there is no defined storage policy for the specific '
|
|
'request then this policy will be used.'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(vmwareapi_opts, 'vmware')
|
|
CONF.register_opts(spbm_opts, 'vmware')
|
|
|
|
TIME_BETWEEN_API_CALL_RETRIES = 1.0
|
|
|
|
|
|
class VMwareVCDriver(driver.ComputeDriver):
|
|
"""The VC host connection object."""
|
|
|
|
capabilities = {
|
|
"has_imagecache": True,
|
|
"supports_recreate": False,
|
|
"supports_migrate_to_same_host": True
|
|
}
|
|
|
|
# Legacy nodename is of the form: <mo id>(<cluster name>)
|
|
# e.g. domain-26(TestCluster)
|
|
# We assume <mo id> consists of alphanumeric, _ and -.
|
|
# We assume cluster name is everything between the first ( and the last ).
|
|
# We pull out <mo id> for re-use.
|
|
LEGACY_NODENAME = re.compile('([\w-]+)\(.+\)')
|
|
|
|
# The vCenter driver includes API that acts on ESX hosts or groups
|
|
# of ESX hosts in clusters or non-cluster logical-groupings.
|
|
#
|
|
# vCenter is not a hypervisor itself, it works with multiple
|
|
# hypervisor host machines and their guests. This fact can
|
|
# subtly alter how vSphere and OpenStack interoperate.
|
|
|
|
def __init__(self, virtapi, scheme="https"):
|
|
super(VMwareVCDriver, self).__init__(virtapi)
|
|
|
|
if (CONF.vmware.host_ip is None or
|
|
CONF.vmware.host_username is None or
|
|
CONF.vmware.host_password is None):
|
|
raise Exception(_("Must specify host_ip, host_username and "
|
|
"host_password to use vmwareapi.VMwareVCDriver"))
|
|
|
|
self._datastore_regex = None
|
|
if CONF.vmware.datastore_regex:
|
|
try:
|
|
self._datastore_regex = re.compile(CONF.vmware.datastore_regex)
|
|
except re.error:
|
|
raise exception.InvalidInput(reason=
|
|
_("Invalid Regular Expression %s")
|
|
% CONF.vmware.datastore_regex)
|
|
|
|
self._session = VMwareAPISession(scheme=scheme)
|
|
|
|
self._check_min_version()
|
|
|
|
# Update the PBM location if necessary
|
|
if CONF.vmware.pbm_enabled:
|
|
self._update_pbm_location()
|
|
|
|
self._validate_configuration()
|
|
|
|
# Get the list of clusters to be used
|
|
self._cluster_names = CONF.vmware.cluster_name
|
|
if len(self._cluster_names) > 1:
|
|
versionutils.report_deprecated_feature(
|
|
LOG,
|
|
_LW('The "cluster_name" setting should have only one '
|
|
'cluster name. The capability of allowing '
|
|
'multiple clusters may be dropped in the '
|
|
'Liberty release.'))
|
|
|
|
self.dict_mors = vm_util.get_all_cluster_refs_by_name(self._session,
|
|
self._cluster_names)
|
|
if not self.dict_mors:
|
|
raise exception.NotFound(_("All clusters specified %s were not"
|
|
" found in the vCenter")
|
|
% self._cluster_names)
|
|
|
|
# Check if there are any clusters that were specified in the nova.conf
|
|
# but are not in the vCenter, for missing clusters log a warning.
|
|
clusters_found = [v.get('name')
|
|
for k, v in six.iteritems(self.dict_mors)]
|
|
missing_clusters = set(self._cluster_names) - set(clusters_found)
|
|
if missing_clusters:
|
|
LOG.warning(_LW("The following clusters could not be found in the "
|
|
"vCenter %s"), list(missing_clusters))
|
|
|
|
self._vcenter_uuid = self._get_vcenter_uuid()
|
|
# The _resources is used to maintain the vmops, volumeops and vcstate
|
|
# objects per cluster
|
|
self._resources = {}
|
|
self._resource_keys = set()
|
|
self._virtapi = virtapi
|
|
self._update_resources()
|
|
|
|
# The following initialization is necessary since the base class does
|
|
# not use VC state.
|
|
first_cluster = self._resources.keys()[0]
|
|
self._vmops = self._resources.get(first_cluster).get('vmops')
|
|
self._volumeops = self._resources.get(first_cluster).get('volumeops')
|
|
self._vc_state = self._resources.get(first_cluster).get('vcstate')
|
|
|
|
# Register the OpenStack extension
|
|
self._register_openstack_extension()
|
|
|
|
def _check_min_version(self):
|
|
min_version = utils.convert_version_to_int(constants.MIN_VC_VERSION)
|
|
vc_version = vim_util.get_vc_version(self._session)
|
|
LOG.info(_LI("VMware vCenter version: %s"), vc_version)
|
|
if min_version > utils.convert_version_to_int(vc_version):
|
|
# TODO(garyk): enforce this from M
|
|
LOG.warning(_LW('Running Nova with a VMware vCenter version less '
|
|
'than %(version)s is deprecated. The required '
|
|
'minimum version of vCenter will be raised to '
|
|
'%(version)s in the 2016.1 release.'),
|
|
{'version': constants.MIN_VC_VERSION})
|
|
|
|
@property
|
|
def need_legacy_block_device_info(self):
|
|
return False
|
|
|
|
def _update_pbm_location(self):
|
|
if CONF.vmware.pbm_wsdl_location:
|
|
pbm_wsdl_loc = CONF.vmware.pbm_wsdl_location
|
|
else:
|
|
version = vim_util.get_vc_version(self._session)
|
|
pbm_wsdl_loc = pbm.get_pbm_wsdl_location(version)
|
|
self._session.pbm_wsdl_loc_set(pbm_wsdl_loc)
|
|
|
|
def _validate_configuration(self):
|
|
if CONF.vmware.use_linked_clone is None:
|
|
raise vexc.UseLinkedCloneConfigurationFault()
|
|
|
|
if CONF.vmware.pbm_enabled:
|
|
if not CONF.vmware.pbm_default_policy:
|
|
raise error_util.PbmDefaultPolicyUnspecified()
|
|
if not pbm.get_profile_id_by_name(
|
|
self._session,
|
|
CONF.vmware.pbm_default_policy):
|
|
raise error_util.PbmDefaultPolicyDoesNotExist()
|
|
if CONF.vmware.datastore_regex:
|
|
LOG.warning(_LW(
|
|
"datastore_regex is ignored when PBM is enabled"))
|
|
self._datastore_regex = None
|
|
|
|
def init_host(self, host):
|
|
vim = self._session.vim
|
|
if vim is None:
|
|
self._session._create_session()
|
|
|
|
def cleanup_host(self, host):
|
|
self._session.logout()
|
|
|
|
def _register_openstack_extension(self):
|
|
# Register an 'OpenStack' extension in vCenter
|
|
LOG.debug('Registering extension %s with vCenter',
|
|
constants.EXTENSION_KEY)
|
|
os_extension = self._session._call_method(vim_util, 'find_extension',
|
|
constants.EXTENSION_KEY)
|
|
if os_extension is None:
|
|
LOG.debug('Extension does not exist. Registering type %s.',
|
|
constants.EXTENSION_TYPE_INSTANCE)
|
|
self._session._call_method(vim_util, 'register_extension',
|
|
constants.EXTENSION_KEY,
|
|
constants.EXTENSION_TYPE_INSTANCE)
|
|
|
|
def cleanup(self, context, instance, network_info, block_device_info=None,
|
|
destroy_disks=True, migrate_data=None, destroy_vifs=True):
|
|
"""Cleanup after instance being destroyed by Hypervisor."""
|
|
pass
|
|
|
|
def resume_state_on_host_boot(self, context, instance, network_info,
|
|
block_device_info=None):
|
|
"""resume guest state when a host is booted."""
|
|
# Check if the instance is running already and avoid doing
|
|
# anything if it is.
|
|
state = vm_util.get_vm_state(self._session, instance)
|
|
ignored_states = ['poweredon', 'suspended']
|
|
if state.lower() in ignored_states:
|
|
return
|
|
# Instance is not up and could be in an unknown state.
|
|
# Be as absolute as possible about getting it back into
|
|
# a known and running state.
|
|
self.reboot(context, instance, network_info, 'hard',
|
|
block_device_info)
|
|
|
|
def list_instance_uuids(self):
|
|
"""List VM instance UUIDs."""
|
|
return self._vmops.list_instances()
|
|
|
|
def list_instances(self):
|
|
"""List VM instances from all nodes."""
|
|
instances = []
|
|
nodes = self.get_available_nodes()
|
|
for node in nodes:
|
|
vmops = self._get_vmops_for_compute_node(node)
|
|
instances.extend(vmops.list_instances())
|
|
return instances
|
|
|
|
def migrate_disk_and_power_off(self, context, instance, dest,
|
|
flavor, network_info,
|
|
block_device_info=None,
|
|
timeout=0, retry_interval=0):
|
|
"""Transfers the disk of a running instance in multiple phases, turning
|
|
off the instance before the end.
|
|
"""
|
|
# TODO(PhilDay): Add support for timeout (clean shutdown)
|
|
return self._vmops.migrate_disk_and_power_off(context, instance,
|
|
dest, flavor)
|
|
|
|
def confirm_migration(self, migration, instance, network_info):
|
|
"""Confirms a resize, destroying the source VM."""
|
|
self._vmops.confirm_migration(migration, instance, network_info)
|
|
|
|
def finish_revert_migration(self, context, instance, network_info,
|
|
block_device_info=None, power_on=True):
|
|
"""Finish reverting a resize, powering back on the instance."""
|
|
self._vmops.finish_revert_migration(context, instance, network_info,
|
|
block_device_info, power_on)
|
|
|
|
def finish_migration(self, context, migration, instance, disk_info,
|
|
network_info, image_meta, resize_instance,
|
|
block_device_info=None, power_on=True):
|
|
"""Completes a resize, turning on the migrated instance."""
|
|
self._vmops.finish_migration(context, migration, instance, disk_info,
|
|
network_info, image_meta, resize_instance,
|
|
block_device_info, power_on)
|
|
|
|
def live_migration(self, context, instance, dest,
|
|
post_method, recover_method, block_migration=False,
|
|
migrate_data=None):
|
|
"""Live migration of an instance to another host."""
|
|
self._vmops.live_migration(context, instance, dest,
|
|
post_method, recover_method,
|
|
block_migration)
|
|
|
|
def rollback_live_migration_at_destination(self, context, instance,
|
|
network_info,
|
|
block_device_info,
|
|
destroy_disks=True,
|
|
migrate_data=None):
|
|
"""Clean up destination node after a failed live migration."""
|
|
self.destroy(context, instance, network_info, block_device_info)
|
|
|
|
def get_instance_disk_info(self, instance, block_device_info=None):
|
|
pass
|
|
|
|
def get_vnc_console(self, context, instance):
|
|
"""Return link to instance's VNC console using vCenter logic."""
|
|
# vCenter does not actually run the VNC service
|
|
# itself. You must talk to the VNC host underneath vCenter.
|
|
return self._vmops.get_vnc_console(instance)
|
|
|
|
def _update_resources(self):
|
|
"""This method creates a dictionary of VMOps, VolumeOps and VCState.
|
|
|
|
The VMwareVMOps, VMwareVolumeOps and VCState object is for each
|
|
cluster/rp. The dictionary is of the form
|
|
{
|
|
'domain-1000.497c514c-ef5e-4e7f-8d93-ec921993b93a' : {
|
|
'vmops': vmops_obj,
|
|
'volumeops': volumeops_obj,
|
|
'vcstate': vcstate_obj,
|
|
'name': MyCluster},
|
|
'resgroup-1000.497c514c-ef5e-4e7f-8d93-ec921993b93a' : {
|
|
'vmops': vmops_obj,
|
|
'volumeops': volumeops_obj,
|
|
'vcstate': vcstate_obj,
|
|
'name': MyRP},
|
|
}
|
|
"""
|
|
added_nodes = set(self.dict_mors.keys()) - set(self._resource_keys)
|
|
for node in added_nodes:
|
|
_volumeops = volumeops.VMwareVolumeOps(self._session,
|
|
self.dict_mors[node]['cluster_mor'])
|
|
_vmops = vmops.VMwareVMOps(self._session, self._virtapi,
|
|
_volumeops,
|
|
self.dict_mors[node]['cluster_mor'],
|
|
datastore_regex=self._datastore_regex)
|
|
name = self.dict_mors.get(node)['name']
|
|
nodename = self._create_nodename(node)
|
|
_vc_state = host.VCState(self._session, nodename,
|
|
self.dict_mors.get(node)['cluster_mor'],
|
|
self._datastore_regex)
|
|
self._resources[nodename] = {'vmops': _vmops,
|
|
'volumeops': _volumeops,
|
|
'vcstate': _vc_state,
|
|
'name': name,
|
|
}
|
|
self._resource_keys.add(node)
|
|
|
|
deleted_nodes = (set(self._resource_keys) -
|
|
set(self.dict_mors.keys()))
|
|
for node in deleted_nodes:
|
|
nodename = self._create_nodename(node)
|
|
del self._resources[nodename]
|
|
self._resource_keys.discard(node)
|
|
|
|
def _get_vcenter_uuid(self):
|
|
"""Retrieves the vCenter UUID."""
|
|
|
|
about = self._session._call_method(nova_vim_util, 'get_about_info')
|
|
return about.instanceUuid
|
|
|
|
def _create_nodename(self, mo_id):
|
|
"""Return a nodename which uniquely describes a cluster.
|
|
|
|
The name will be of the form:
|
|
<mo id>.<vcenter uuid>
|
|
e.g.
|
|
domain-26.9d51f082-58a4-4449-beed-6fd205a5726b
|
|
"""
|
|
|
|
return '%s.%s' % (mo_id, self._vcenter_uuid)
|
|
|
|
def _normalize_nodename(self, nodename):
|
|
"""Change I2f3b5d224cc653d0465598de0788116e71d1ca0d altered the format
|
|
of nodename to <mo id>.<vCenter UUID>. This function matches legacy
|
|
nodenames and translates them to the new format.
|
|
|
|
Note that the legacy format did not contain the vCenter UUID, which we
|
|
are adding here. We can safely assume that we are adding the correct
|
|
vCenter UUID because instance.host has caused it to be scheduled to
|
|
this compute, which can only be configured with a single vCenter.
|
|
"""
|
|
|
|
match = self.LEGACY_NODENAME.match(nodename)
|
|
|
|
# Return it unmodified if it's not in the legacy format
|
|
if match is None:
|
|
return nodename
|
|
|
|
mo_id = match.group(1)
|
|
return self._create_nodename(mo_id)
|
|
|
|
def _get_resource_for_node(self, nodename):
|
|
"""Gets the resource information for the specific node."""
|
|
|
|
nodename = self._normalize_nodename(nodename)
|
|
|
|
resource = self._resources.get(nodename)
|
|
if not resource:
|
|
msg = _("The resource %s does not exist") % nodename
|
|
raise exception.NotFound(msg)
|
|
return resource
|
|
|
|
def _get_vmops_for_compute_node(self, nodename):
|
|
"""Retrieve vmops object for this node."""
|
|
resource = self._get_resource_for_node(nodename)
|
|
return resource['vmops']
|
|
|
|
def _get_volumeops_for_compute_node(self, nodename):
|
|
"""Retrieve vmops object for this node."""
|
|
resource = self._get_resource_for_node(nodename)
|
|
return resource['volumeops']
|
|
|
|
def _get_vc_state_for_compute_node(self, nodename):
|
|
"""Retrieve VCState object for this node."""
|
|
resource = self._get_resource_for_node(nodename)
|
|
return resource['vcstate']
|
|
|
|
def _get_available_resources(self, host_stats):
|
|
return {'vcpus': host_stats['vcpus'],
|
|
'memory_mb': host_stats['host_memory_total'],
|
|
'local_gb': host_stats['disk_total'],
|
|
'vcpus_used': 0,
|
|
'memory_mb_used': host_stats['host_memory_total'] -
|
|
host_stats['host_memory_free'],
|
|
'local_gb_used': host_stats['disk_used'],
|
|
'hypervisor_type': host_stats['hypervisor_type'],
|
|
'hypervisor_version': host_stats['hypervisor_version'],
|
|
'hypervisor_hostname': host_stats['hypervisor_hostname'],
|
|
# The VMWare driver manages multiple hosts, so there are
|
|
# likely many different CPU models in use. As such it is
|
|
# impossible to provide any meaningful info on the CPU
|
|
# model of the "host"
|
|
'cpu_info': None,
|
|
'supported_instances': jsonutils.dumps(
|
|
host_stats['supported_instances']),
|
|
'numa_topology': None,
|
|
}
|
|
|
|
def get_available_resource(self, nodename):
|
|
"""Retrieve resource info.
|
|
|
|
This method is called when nova-compute launches, and
|
|
as part of a periodic task.
|
|
|
|
:returns: dictionary describing resources
|
|
|
|
"""
|
|
stats_dict = {}
|
|
vc_state = self._get_vc_state_for_compute_node(nodename)
|
|
if vc_state:
|
|
host_stats = vc_state.get_host_stats(refresh=True)
|
|
|
|
# Updating host information
|
|
stats_dict = self._get_available_resources(host_stats)
|
|
|
|
else:
|
|
LOG.info(_LI("Invalid cluster or resource pool"
|
|
" name : %s"), nodename)
|
|
|
|
return stats_dict
|
|
|
|
def get_available_nodes(self, refresh=False):
|
|
"""Returns nodenames of all nodes managed by the compute service.
|
|
|
|
This method is for multi compute-nodes support. If a driver supports
|
|
multi compute-nodes, this method returns a list of nodenames managed
|
|
by the service. Otherwise, this method should return
|
|
[hypervisor_hostname].
|
|
"""
|
|
self.dict_mors = vm_util.get_all_cluster_refs_by_name(
|
|
self._session,
|
|
CONF.vmware.cluster_name)
|
|
node_list = []
|
|
self._update_resources()
|
|
for node in self.dict_mors.keys():
|
|
nodename = self._create_nodename(node)
|
|
node_list.append(nodename)
|
|
LOG.debug("The available nodes are: %s", node_list)
|
|
return node_list
|
|
|
|
def spawn(self, context, instance, image_meta, injected_files,
|
|
admin_password, network_info=None, block_device_info=None):
|
|
"""Create VM instance."""
|
|
_vmops = self._get_vmops_for_compute_node(instance.node)
|
|
_vmops.spawn(context, instance, image_meta, injected_files,
|
|
admin_password, network_info, block_device_info)
|
|
|
|
def attach_volume(self, context, connection_info, instance, mountpoint,
|
|
disk_bus=None, device_type=None, encryption=None):
|
|
"""Attach volume storage to VM instance."""
|
|
_volumeops = self._get_volumeops_for_compute_node(instance.node)
|
|
return _volumeops.attach_volume(connection_info,
|
|
instance)
|
|
|
|
def detach_volume(self, connection_info, instance, mountpoint,
|
|
encryption=None):
|
|
"""Detach volume storage to VM instance."""
|
|
_volumeops = self._get_volumeops_for_compute_node(instance.node)
|
|
return _volumeops.detach_volume(connection_info,
|
|
instance)
|
|
|
|
def get_volume_connector(self, instance):
|
|
"""Return volume connector information."""
|
|
return self._volumeops.get_volume_connector(instance)
|
|
|
|
def get_host_ip_addr(self):
|
|
"""Returns the IP address of the vCenter host."""
|
|
return CONF.vmware.host_ip
|
|
|
|
def snapshot(self, context, instance, image_id, update_task_state):
|
|
"""Create snapshot from a running VM instance."""
|
|
self._vmops.snapshot(context, instance, image_id, update_task_state)
|
|
|
|
def reboot(self, context, instance, network_info, reboot_type,
|
|
block_device_info=None, bad_volumes_callback=None):
|
|
"""Reboot VM instance."""
|
|
self._vmops.reboot(instance, network_info, reboot_type)
|
|
|
|
def destroy(self, context, instance, network_info, block_device_info=None,
|
|
destroy_disks=True, migrate_data=None):
|
|
"""Destroy VM instance."""
|
|
|
|
# Destroy gets triggered when Resource Claim in resource_tracker
|
|
# is not successful. When resource claim is not successful,
|
|
# node is not set in instance. Perform destroy only if node is set
|
|
if not instance.node:
|
|
return
|
|
|
|
self._vmops.destroy(instance, destroy_disks)
|
|
|
|
def pause(self, instance):
|
|
"""Pause VM instance."""
|
|
self._vmops.pause(instance)
|
|
|
|
def unpause(self, instance):
|
|
"""Unpause paused VM instance."""
|
|
self._vmops.unpause(instance)
|
|
|
|
def suspend(self, context, instance):
|
|
"""Suspend the specified instance."""
|
|
self._vmops.suspend(instance)
|
|
|
|
def resume(self, context, instance, network_info, block_device_info=None):
|
|
"""Resume the suspended VM instance."""
|
|
self._vmops.resume(instance)
|
|
|
|
def rescue(self, context, instance, network_info, image_meta,
|
|
rescue_password):
|
|
"""Rescue the specified instance."""
|
|
self._vmops.rescue(context, instance, network_info, image_meta)
|
|
|
|
def unrescue(self, instance, network_info):
|
|
"""Unrescue the specified instance."""
|
|
self._vmops.unrescue(instance)
|
|
|
|
def power_off(self, instance, timeout=0, retry_interval=0):
|
|
"""Power off the specified instance."""
|
|
# TODO(PhilDay): Add support for timeout (clean shutdown)
|
|
self._vmops.power_off(instance)
|
|
|
|
def power_on(self, context, instance, network_info,
|
|
block_device_info=None):
|
|
"""Power on the specified instance."""
|
|
self._vmops.power_on(instance)
|
|
|
|
def poll_rebooting_instances(self, timeout, instances):
|
|
"""Poll for rebooting instances."""
|
|
self._vmops.poll_rebooting_instances(timeout, instances)
|
|
|
|
def get_info(self, instance):
|
|
"""Return info about the VM instance."""
|
|
return self._vmops.get_info(instance)
|
|
|
|
def get_diagnostics(self, instance):
|
|
"""Return data about VM diagnostics."""
|
|
return self._vmops.get_diagnostics(instance)
|
|
|
|
def get_instance_diagnostics(self, instance):
|
|
"""Return data about VM diagnostics."""
|
|
return self._vmops.get_instance_diagnostics(instance)
|
|
|
|
def host_power_action(self, action):
|
|
"""Host operations not supported by VC driver.
|
|
|
|
This needs to override the ESX driver implementation.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
def host_maintenance_mode(self, host, mode):
|
|
"""Host operations not supported by VC driver.
|
|
|
|
This needs to override the ESX driver implementation.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
def set_host_enabled(self, enabled):
|
|
"""Host operations not supported by VC driver.
|
|
|
|
This needs to override the ESX driver implementation.
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
def get_host_uptime(self):
|
|
"""Host uptime operation not supported by VC driver."""
|
|
|
|
msg = _("Multiple hosts may be managed by the VMWare "
|
|
"vCenter driver; therefore we do not return "
|
|
"uptime for just one host.")
|
|
raise NotImplementedError(msg)
|
|
|
|
def inject_network_info(self, instance, nw_info):
|
|
"""inject network info for specified instance."""
|
|
self._vmops.inject_network_info(instance, nw_info)
|
|
|
|
def manage_image_cache(self, context, all_instances):
|
|
"""Manage the local cache of images."""
|
|
|
|
# Running instances per cluster
|
|
cluster_instances = {}
|
|
for instance in all_instances:
|
|
instances = cluster_instances.get(instance.node)
|
|
if instances:
|
|
instances.append(instance)
|
|
else:
|
|
instances = [instance]
|
|
cluster_instances[instance.node] = instances
|
|
|
|
# Invoke the image aging per cluster
|
|
for resource in self._resources.keys():
|
|
instances = cluster_instances.get(resource, [])
|
|
_vmops = self._get_vmops_for_compute_node(resource)
|
|
_vmops.manage_image_cache(context, instances)
|
|
|
|
def instance_exists(self, instance):
|
|
"""Efficient override of base instance_exists method."""
|
|
return self._vmops.instance_exists(instance)
|
|
|
|
def attach_interface(self, instance, image_meta, vif):
|
|
"""Attach an interface to the instance."""
|
|
self._vmops.attach_interface(instance, image_meta, vif)
|
|
|
|
def detach_interface(self, instance, vif):
|
|
"""Detach an interface from the instance."""
|
|
self._vmops.detach_interface(instance, vif)
|
|
|
|
|
|
class VMwareAPISession(api.VMwareAPISession):
|
|
"""Sets up a session with the VC/ESX host and handles all
|
|
the calls made to the host.
|
|
"""
|
|
def __init__(self, host_ip=CONF.vmware.host_ip,
|
|
host_port=CONF.vmware.host_port,
|
|
username=CONF.vmware.host_username,
|
|
password=CONF.vmware.host_password,
|
|
retry_count=CONF.vmware.api_retry_count,
|
|
scheme="https"):
|
|
super(VMwareAPISession, self).__init__(
|
|
host=host_ip,
|
|
port=host_port,
|
|
server_username=username,
|
|
server_password=password,
|
|
api_retry_count=retry_count,
|
|
task_poll_interval=CONF.vmware.task_poll_interval,
|
|
scheme=scheme,
|
|
create_session=True,
|
|
wsdl_loc=CONF.vmware.wsdl_location
|
|
)
|
|
|
|
def _is_vim_object(self, module):
|
|
"""Check if the module is a VIM Object instance."""
|
|
return isinstance(module, vim.Vim)
|
|
|
|
def _call_method(self, module, method, *args, **kwargs):
|
|
"""Calls a method within the module specified with
|
|
args provided.
|
|
"""
|
|
if not self._is_vim_object(module):
|
|
return self.invoke_api(module, method, self.vim, *args, **kwargs)
|
|
else:
|
|
return self.invoke_api(module, method, *args, **kwargs)
|
|
|
|
def _wait_for_task(self, task_ref):
|
|
"""Return a Deferred that will give the result of the given task.
|
|
The task is polled until it completes.
|
|
"""
|
|
return self.wait_for_task(task_ref)
|