# Copyright 2014 VMware, Inc. # # 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. from neutron_lib import exceptions from oslo_log import log as logging from oslo_utils import excutils from oslo_vmware import vim_util from vmware_nsx.common import exceptions as nsx_exc from vmware_nsx.dvs import dvs_utils LOG = logging.getLogger(__name__) PORTGROUP_PREFIX = 'dvportgroup' API_FIND_ALL_BY_UUID = 'FindAllByUuid' # QoS related constants QOS_IN_DIRECTION = 'incomingPackets' QOS_AGENT_NAME = 'dvfilter-generic-vmware' DSCP_RULE_DESCRIPTION = 'Openstack Dscp Marking RUle' class SingleDvsManager(object): """Management class for dvs related tasks for the dvs plugin For the globally configured dvs. the moref of the configured DVS will be learnt. This will be used in the operations supported by the manager. """ def __init__(self): self.dvs = DvsManager() self._dvs_moref = self._get_dvs_moref_by_name( self.dvs.get_vc_session(), dvs_utils.dvs_name_get()) def _get_dvs_moref_by_name(self, session, dvs_name): """Get the moref of the configured DVS.""" return self.dvs.get_dvs_moref_by_name(dvs_name, session) def add_port_group(self, net_id, vlan_tag=None, trunk_mode=False): return self.dvs.add_port_group(self._dvs_moref, net_id, vlan_tag=vlan_tag, trunk_mode=trunk_mode) def delete_port_group(self, net_id): return self.dvs.delete_port_group(self._dvs_moref, net_id) def get_port_group_info(self, net_id): return self.dvs.get_port_group_info(self._dvs_moref, net_id) def net_id_to_moref(self, net_id): return self.dvs._net_id_to_moref(self._dvs_moref, net_id) class VCManagerBase(object): """Base class for all VC related classes, to initialize the session""" def __init__(self): """Initializer. A global session with the VC will be established. NOTE: the DVS port group name will be the Neutron network UUID. """ self._session = dvs_utils.dvs_create_session() def get_vc_session(self): return self._session class DvsManager(VCManagerBase): """Management class for dvs related tasks The dvs-id is not a class member, since multiple dvs-es can be supported. """ def get_dvs_moref_by_name(self, dvs_name, session=None): """Get the moref of DVS.""" if not session: session = self.get_vc_session() results = session.invoke_api(vim_util, 'get_objects', session.vim, 'DistributedVirtualSwitch', 100) while results: for dvs in results.objects: for prop in dvs.propSet: if dvs_name == prop.val: vim_util.cancel_retrieval(session.vim, results) return dvs.obj results = vim_util.continue_retrieval(session.vim, results) raise nsx_exc.DvsNotFound(dvs=dvs_name) def _get_dvs_moref_by_id(self, dvs_id): return vim_util.get_moref(dvs_id, 'VmwareDistributedVirtualSwitch') def _get_vlan_spec(self, vlan_tag): """Gets portgroup vlan spec.""" # Create the spec for the vlan tag client_factory = self._session.vim.client.factory spec_ns = 'ns0:VmwareDistributedVirtualSwitchVlanIdSpec' vl_spec = client_factory.create(spec_ns) vl_spec.vlanId = vlan_tag vl_spec.inherited = '0' return vl_spec def _get_trunk_vlan_spec(self, start=0, end=4094): """Gets portgroup trunk vlan spec.""" client_factory = self._session.vim.client.factory spec_ns = 'ns0:VmwareDistributedVirtualSwitchTrunkVlanSpec' range = client_factory.create('ns0:NumericRange') range.start = start range.end = end vlan_tag = range vl_spec = client_factory.create(spec_ns) vl_spec.vlanId = vlan_tag vl_spec.inherited = '0' return vl_spec def _get_port_group_spec(self, net_id, vlan_tag, trunk_mode=False, pg_spec=None): """Gets the port groups spec for net_id and vlan_tag.""" client_factory = self._session.vim.client.factory if not pg_spec: pg_spec = client_factory.create('ns0:DVPortgroupConfigSpec') pg_spec.name = net_id pg_spec.type = 'ephemeral' config = client_factory.create('ns0:VMwareDVSPortSetting') if trunk_mode: config.vlan = self._get_trunk_vlan_spec() elif vlan_tag: config.vlan = self._get_vlan_spec(vlan_tag) pg_spec.defaultPortConfig = config return pg_spec def add_port_group(self, dvs_moref, net_id, vlan_tag=None, trunk_mode=False): """Add a new port group to the configured DVS.""" pg_spec = self._get_port_group_spec(net_id, vlan_tag, trunk_mode=trunk_mode) task = self._session.invoke_api(self._session.vim, 'CreateDVPortgroup_Task', dvs_moref, spec=pg_spec) try: # NOTE(garyk): cache the returned moref self._session.wait_for_task(task) except Exception: # NOTE(garyk): handle more specific exceptions with excutils.save_and_reraise_exception(): LOG.exception('Failed to create port group for ' '%(net_id)s with tag %(tag)s.', {'net_id': net_id, 'tag': vlan_tag}) LOG.info("%(net_id)s with tag %(vlan_tag)s created on %(dvs)s.", {'net_id': net_id, 'vlan_tag': vlan_tag, 'dvs': dvs_moref.value}) def _net_id_to_moref(self, dvs_moref, net_id): """Gets the moref for the specific neutron network.""" # NOTE(garyk): return this from a cache if not found then invoke # code below. port_groups = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, dvs_moref, ['portgroup']) if len(port_groups) and hasattr(port_groups[0], 'propSet'): for prop in port_groups[0].propSet: for val in prop.val[0]: props = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, val, ['name']) if len(props) and hasattr(props[0], 'propSet'): for prop in props[0].propSet: # match name or mor id if net_id == prop.val or net_id == val.value: # NOTE(garyk): update cache return val raise exceptions.NetworkNotFound(net_id=net_id) def _is_vlan_network_by_moref(self, moref): """ This can either be a VXLAN or a VLAN network. The type is determined by the prefix of the moref. """ return moref.startswith(PORTGROUP_PREFIX) def _copy_port_group_spec(self, orig_spec): client_factory = self._session.vim.client.factory pg_spec = client_factory.create('ns0:DVPortgroupConfigSpec') pg_spec.autoExpand = orig_spec['autoExpand'] pg_spec.configVersion = orig_spec['configVersion'] pg_spec.defaultPortConfig = orig_spec['defaultPortConfig'] pg_spec.name = orig_spec['name'] pg_spec.numPorts = orig_spec['numPorts'] pg_spec.policy = orig_spec['policy'] pg_spec.type = orig_spec['type'] return pg_spec def update_port_group_spec_qos(self, pg_spec, qos_data): port_conf = pg_spec.defaultPortConfig # Update the in bandwidth shaping policy # Note: openstack refers to the directions from the VM point of view, # while the NSX refers to the vswitch point of view. # so open stack egress is actually inShaping here. inPol = port_conf.inShapingPolicy if qos_data.egress.bandwidthEnabled: inPol.inherited = False inPol.enabled.inherited = False inPol.enabled.value = True inPol.averageBandwidth.inherited = False inPol.averageBandwidth.value = qos_data.egress.averageBandwidth inPol.peakBandwidth.inherited = False inPol.peakBandwidth.value = qos_data.egress.peakBandwidth inPol.burstSize.inherited = False inPol.burstSize.value = qos_data.egress.burstSize else: inPol.inherited = True outPol = port_conf.outShapingPolicy if qos_data.ingress.bandwidthEnabled: outPol.inherited = False outPol.enabled.inherited = False outPol.enabled.value = True outPol.averageBandwidth.inherited = False outPol.averageBandwidth.value = qos_data.ingress.averageBandwidth outPol.peakBandwidth.inherited = False outPol.peakBandwidth.value = qos_data.ingress.peakBandwidth outPol.burstSize.inherited = False outPol.burstSize.value = qos_data.ingress.burstSize else: outPol.inherited = True # Update the DSCP marking if (port_conf.filterPolicy.inherited or len(port_conf.filterPolicy.filterConfig) == 0 or len(port_conf.filterPolicy.filterConfig[ 0].trafficRuleset.rules) == 0): if qos_data.dscpMarkEnabled: # create the entire structure client_factory = self._session.vim.client.factory filter_rule = client_factory.create('ns0:DvsTrafficRule') filter_rule.description = DSCP_RULE_DESCRIPTION filter_rule.action = client_factory.create( 'ns0:DvsUpdateTagNetworkRuleAction') filter_rule.action.dscpTag = qos_data.dscpMarkValue # mark only incoming packets (openstack egress = nsx ingress) filter_rule.direction = QOS_IN_DIRECTION # Add IP any->any qualifier qualifier = client_factory.create( 'ns0:DvsIpNetworkRuleQualifier') qualifier.protocol = 0 qualifier.sourceAddress = None qualifier.destinationAddress = None filter_rule.qualifier = [qualifier] traffic_filter_config = client_factory.create( 'ns0:DvsTrafficFilterConfig') traffic_filter_config.trafficRuleset.rules = [filter_rule] traffic_filter_config.trafficRuleset.enabled = True traffic_filter_config.agentName = QOS_AGENT_NAME traffic_filter_config.inherited = False port_conf.filterPolicy = client_factory.create( 'ns0:DvsFilterPolicy') port_conf.filterPolicy.filterConfig = [ traffic_filter_config] port_conf.filterPolicy.inherited = False else: # The structure was already initialized filter_policy = port_conf.filterPolicy if qos_data.dscpMarkEnabled: # just update the DSCP value traffic_filter_config = filter_policy.filterConfig[0] filter_rule = traffic_filter_config.trafficRuleset.rules[0] filter_rule.action.dscpTag = qos_data.dscpMarkValue else: # delete the filter policy data filter_policy.filterConfig = [] def _reconfigure_port_group(self, pg_moref, spec_update_calback, spec_update_data): # Get the current configuration of the port group pg_spec = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, pg_moref, ['config']) if len(pg_spec) == 0 or len(pg_spec[0].propSet[0]) == 0: LOG.error('Failed to get object properties of %s', pg_moref) raise nsx_exc.DvsNotFound(dvs=pg_moref) # Convert the extracted config to DVPortgroupConfigSpec new_spec = self._copy_port_group_spec(pg_spec[0].propSet[0].val) # Update the configuration using the callback & data spec_update_calback(new_spec, spec_update_data) # Update the port group configuration task = self._session.invoke_api(self._session.vim, 'ReconfigureDVPortgroup_Task', pg_moref, spec=new_spec) try: self._session.wait_for_task(task) except Exception: LOG.error('Failed to reconfigure DVPortGroup %s', pg_moref) raise nsx_exc.DvsNotFound(dvs=pg_moref) # Update the dvs port groups config for a vxlan/vlan network # update the spec using a callback and user data def update_port_groups_config(self, dvs_id, net_id, net_moref, spec_update_calback, spec_update_data): is_vlan = self._is_vlan_network_by_moref(net_moref) if is_vlan: return self._update_net_port_groups_config(net_moref, spec_update_calback, spec_update_data) else: dvs_moref = self._get_dvs_moref_by_id(dvs_id) return self._update_vxlan_port_groups_config(dvs_moref, net_id, net_moref, spec_update_calback, spec_update_data) # Update the dvs port groups config for a vxlan network # Searching the port groups for a partial match to the network id & moref # update the spec using a callback and user data def _update_vxlan_port_groups_config(self, dvs_moref, net_id, net_moref, spec_update_calback, spec_update_data): port_groups = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, dvs_moref, ['portgroup']) found = False if len(port_groups) and hasattr(port_groups[0], 'propSet'): for prop in port_groups[0].propSet: for pg_moref in prop.val[0]: props = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, pg_moref, ['name']) if len(props) and hasattr(props[0], 'propSet'): for prop in props[0].propSet: if net_id in prop.val and net_moref in prop.val: found = True self._reconfigure_port_group( pg_moref, spec_update_calback, spec_update_data) if not found: raise exceptions.NetworkNotFound(net_id=net_id) # Update the dvs port groups config for a vlan network # Finding the port group using the exact moref of the network # update the spec using a callback and user data def _update_net_port_groups_config(self, net_moref, spec_update_calback, spec_update_data): pg_moref = vim_util.get_moref(net_moref, "DistributedVirtualPortgroup") self._reconfigure_port_group(pg_moref, spec_update_calback, spec_update_data) def delete_port_group(self, dvs_moref, net_id): """Delete a specific port group.""" moref = self._net_id_to_moref(dvs_moref, net_id) task = self._session.invoke_api(self._session.vim, 'Destroy_Task', moref) try: self._session.wait_for_task(task) except Exception: # NOTE(garyk): handle more specific exceptions with excutils.save_and_reraise_exception(): LOG.exception('Failed to delete port group for %s.', net_id) LOG.info("%(net_id)s delete from %(dvs)s.", {'net_id': net_id, 'dvs': dvs_moref.value}) def get_port_group_info(self, dvs_moref, net_id): """Get portgroup information.""" pg_moref = self._net_id_to_moref(dvs_moref, net_id) # Expand the properties to collect on need basis. properties = ['name'] pg_info = self._session.invoke_api(vim_util, 'get_object_properties_dict', self._session.vim, pg_moref, properties) return pg_info def _get_dvs_moref_from_teaming_data(self, teaming_data): """Get the moref dvs that belongs to the teaming data""" if 'switchObj' in teaming_data: if 'objectId' in teaming_data['switchObj']: dvs_id = teaming_data['switchObj']['objectId'] return vim_util.get_moref( dvs_id, 'VmwareDistributedVirtualSwitch') def update_port_group_spec_teaming(self, pg_spec, teaming_data): mapping = {'FAILOVER_ORDER': 'failover_explicit', 'ETHER_CHANNEL': 'loadbalance_ip', 'LACP_ACTIVE': 'loadbalance_ip', 'LACP_PASSIVE': 'loadbalance_ip', 'LACP_V2': 'loadbalance_ip', 'LOADBALANCE_SRCID': 'loadbalance_srcid', 'LOADBALANCE_SRCMAC': 'loadbalance_srcmac', 'LOADBALANCE_LOADBASED': 'loadbalance_loadbased'} dvs_moref = self._get_dvs_moref_from_teaming_data(teaming_data) port_conf = pg_spec.defaultPortConfig policy = port_conf.uplinkTeamingPolicy policy.inherited = False policy.policy.inherited = False policy.policy.value = mapping[teaming_data['teamingPolicy']] policy.uplinkPortOrder.inherited = False ports = teaming_data['failoverUplinkPortNames'] policy.uplinkPortOrder.activeUplinkPort = ports # The standby port will be those not configure as active ones uplinks = self._session.invoke_api(vim_util, "get_object_property", self._session.vim, dvs_moref, "config.uplinkPortPolicy") # VC does not support LAG and normal uplinks. So need to check # if we need to configure standby links if set(ports) & set(uplinks.uplinkPortName): standby = list(set(uplinks.uplinkPortName) - set(ports)) policy.uplinkPortOrder.standbyUplinkPort = standby def update_port_group_spec_name(self, pg_spec, name): pg_spec.name = name def update_port_group_spec_trunk(self, pg_spec, trunk_data): port_conf = pg_spec.defaultPortConfig port_conf.vlan = self._get_trunk_vlan_spec() def update_port_group_security_policy(self, pg_spec, status): policy = pg_spec.policy policy.securityPolicyOverrideAllowed = status def _update_port_security_policy(self, dvs_moref, port, status): client_factory = self._session.vim.client.factory ps = client_factory.create('ns0:DVPortConfigSpec') ps.key = port.portKey ps.operation = 'edit' policy = client_factory.create('ns0:DVSSecurityPolicy') bp = client_factory.create('ns0:BoolPolicy') bp.inherited = False bp.value = status policy.allowPromiscuous = bp policy.forgedTransmits = bp policy.inherited = False setting = client_factory.create('ns0:VMwareDVSPortSetting') setting.securityPolicy = policy ps.setting = setting task = self._session.invoke_api(self._session.vim, 'ReconfigureDVPort_Task', dvs_moref, port=ps) try: self._session.wait_for_task(task) LOG.info("Updated port security status") except Exception as e: LOG.error("Failed to update port %s. Reason: %s", port.key, e) class VMManager(VCManagerBase): """Management class for VMs related VC tasks.""" def get_vm_moref_obj(self, instance_uuid): """Get reference to the VM. The method will make use of FindAllByUuid to get the VM reference. This method finds all VM's on the backend that match the instance_uuid, more specifically all VM's on the backend that have 'config_spec.instanceUuid' set to 'instance_uuid'. """ vm_refs = self._session.invoke_api( self._session.vim, API_FIND_ALL_BY_UUID, self._session.vim.service_content.searchIndex, uuid=instance_uuid, vmSearch=True, instanceUuid=True) if vm_refs: return vm_refs[0] def get_vm_moref(self, instance_uuid): """Get reference to the VM. """ vm_ref = self.get_vm_moref_obj(instance_uuid) if vm_ref: return vm_ref.value def get_vm_spec(self, vm_moref): vm_specs = self._session.invoke_api(vim_util, 'get_object_properties', self._session.vim, vm_moref, ['network']) if vm_specs: return vm_specs[0] def _build_vm_spec_attach(self, neutron_port_id, port_mac, nsx_net_id, device_type): # Code inspired by nova: _create_vif_spec client_factory = self._session.vim.client.factory vm_spec = client_factory.create('ns0:VirtualMachineConfigSpec') device_change = client_factory.create('ns0:VirtualDeviceConfigSpec') device_change.operation = "add" net_device = client_factory.create('ns0:' + device_type) net_device.key = -47 net_device.addressType = "manual" # configure the neutron port id and mac net_device.externalId = neutron_port_id net_device.macAddress = port_mac net_device.wakeOnLanEnabled = True backing = client_factory.create( 'ns0:VirtualEthernetCardOpaqueNetworkBackingInfo') # configure the NSX network Id backing.opaqueNetworkId = nsx_net_id backing.opaqueNetworkType = "nsx.LogicalSwitch" net_device.backing = backing connectable_spec = client_factory.create( 'ns0:VirtualDeviceConnectInfo') connectable_spec.startConnected = True connectable_spec.allowGuestControl = True connectable_spec.connected = True net_device.connectable = connectable_spec device_change.device = net_device vm_spec.deviceChange = [device_change] return vm_spec def attach_vm_interface(self, vm_moref, neutron_port_id, port_mac, nsx_net_id, device_type): new_spec = self._build_vm_spec_attach( neutron_port_id, port_mac, nsx_net_id, device_type) task = self._session.invoke_api(self._session.vim, 'ReconfigVM_Task', vm_moref, spec=new_spec) try: self._session.wait_for_task(task) LOG.info("Updated VM moref %(moref)s spec - " "attached an interface", {'moref': vm_moref.value}) except Exception as e: LOG.error("Failed to reconfigure VM %(moref)s spec: %(e)s", {'moref': vm_moref.value, 'e': e}) def _build_vm_spec_update(self, devices): client_factory = self._session.vim.client.factory vm_spec = client_factory.create('ns0:VirtualMachineConfigSpec') vm_spec.deviceChange = [devices] return vm_spec def update_vm_interface(self, vm_moref, devices): update_spec = self._build_vm_spec_update(devices) task = self._session.invoke_api(self._session.vim, 'ReconfigVM_Task', vm_moref, spec=update_spec) try: self._session.wait_for_task(task) LOG.info("Updated VM moref %(moref)s spec - " "attached an interface", {'moref': vm_moref.value}) except Exception as e: LOG.error("Failed to reconfigure VM %(moref)s spec: %(e)s", {'moref': vm_moref.value, 'e': e}) def _build_vm_spec_detach(self, device): """Builds the vif detach config spec.""" # Code inspired by nova: get_network_detach_config_spec client_factory = self._session.vim.client.factory config_spec = client_factory.create('ns0:VirtualMachineConfigSpec') virtual_device_config = client_factory.create( 'ns0:VirtualDeviceConfigSpec') virtual_device_config.operation = "remove" virtual_device_config.device = device config_spec.deviceChange = [virtual_device_config] return config_spec def detach_vm_interface(self, vm_moref, device): new_spec = self._build_vm_spec_detach(device) task = self._session.invoke_api(self._session.vim, 'ReconfigVM_Task', vm_moref, spec=new_spec) try: self._session.wait_for_task(task) LOG.info("Updated VM %(moref)s spec - detached an interface", {'moref': vm_moref.value}) except Exception as e: LOG.error("Failed to reconfigure vm moref %(moref)s: %(e)s", {'moref': vm_moref.value, 'e': e}) def get_vm_interfaces_info(self, vm_moref): hardware_devices = self._session.invoke_api(vim_util, "get_object_property", self._session.vim, vm_moref, "config.hardware.device") return hardware_devices def _get_device_port(self, device_id, mac_address): vm_moref = self.get_vm_moref_obj(device_id) hardware_devices = self.get_vm_interfaces_info(vm_moref) if not hardware_devices: return if hardware_devices.__class__.__name__ == "ArrayOfVirtualDevice": hardware_devices = hardware_devices.VirtualDevice for device in hardware_devices: if hasattr(device, 'macAddress'): if device.macAddress == mac_address: return device.backing.port def update_port_security_policy(self, dvs_id, net_id, net_moref, device_id, mac_address, status): dvs_moref = self._get_dvs_moref_by_id(dvs_id) port = self._get_device_port(device_id, mac_address) if port: self._update_port_security_policy(dvs_moref, port, status) def update_vm_network(self, device, name='VM Network'): # In order to live migrate need a common network for interfaces client_factory = self._session.vim.client.factory network_spec = client_factory.create('ns0:VirtualDeviceConfigSpec') network_spec.operation = 'edit' backing = client_factory.create( 'ns0:VirtualEthernetCardNetworkBackingInfo') backing.deviceName = name device.backing = backing network_spec.device = device return network_spec def update_vm_opaque_spec(self, vif_info, device): """Updates the backing for the VIF spec.""" client_factory = self._session.vim.client.factory network_spec = client_factory.create('ns0:VirtualDeviceConfigSpec') network_spec.operation = 'edit' backing = client_factory.create( 'ns0:VirtualEthernetCardOpaqueNetworkBackingInfo') backing.opaqueNetworkId = vif_info['nsx_id'] backing.opaqueNetworkType = 'nsx.LogicalSwitch' # Configure externalId device.externalId = vif_info['iface_id'] device.backing = backing network_spec.device = device return network_spec def relocate_vm_spec(self, client_factory, respool_moref=None, datastore_moref=None, host_moref=None, disk_move_type="moveAllDiskBackingsAndAllowSharing"): rel_spec = client_factory.create('ns0:VirtualMachineRelocateSpec') if datastore_moref: datastore = vim_util.get_moref(datastore_moref, 'Datastore') else: datastore = None rel_spec.datastore = datastore host = vim_util.get_moref(host_moref, 'HostSystem') rel_spec.host = host res_pool = vim_util.get_moref(respool_moref, 'ResourcePool') rel_spec.pool = res_pool return rel_spec def relocate_vm(self, vm_ref, respool_moref=None, datastore_moref=None, host_moref=None, disk_move_type="moveAllDiskBackingsAndAllowSharing"): client_factory = self._session.vim.client.factory rel_spec = self.relocate_vm_spec(client_factory, respool_moref, datastore_moref, host_moref, disk_move_type) task = self._session.invoke_api(self._session.vim, "RelocateVM_Task", vm_ref, spec=rel_spec) self._session.wait_for_task(task) class ClusterManager(VCManagerBase): """Management class for Cluster related VC tasks.""" def _reconfigure_cluster(self, session, cluster, config_spec): """Reconfigure a cluster in vcenter""" try: reconfig_task = session.invoke_api( session.vim, "ReconfigureComputeResource_Task", cluster, spec=config_spec, modify=True) session.wait_for_task(reconfig_task) except Exception as excep: LOG.exception('Failed to reconfigure cluster %s', excep) def _create_vm_group_spec(self, client_factory, name, vm_refs, group=None): if group is None: group = client_factory.create('ns0:ClusterVmGroup') group.name = name operation = 'add' else: operation = 'edit' # On vCenter UI, it is not possible to create VM group without # VMs attached to it. But, using APIs, it is possible to create # VM group without VMs attached. Therefore, check for existence # of vm attribute in the group to avoid exceptions if hasattr(group, 'vm'): group.vm += vm_refs else: group.vm = vm_refs group_spec = client_factory.create('ns0:ClusterGroupSpec') group_spec.operation = operation group_spec.info = group return [group_spec] def _create_cluster_rules_spec(self, client_factory, name, vm_group_name, host_group_name): rules_spec = client_factory.create('ns0:ClusterRuleSpec') rules_spec.operation = 'add' policy_class = 'ns0:ClusterVmHostRuleInfo' rules_info = client_factory.create(policy_class) rules_info.enabled = True rules_info.mandatory = False rules_info.name = name rules_info.vmGroupName = vm_group_name rules_info.affineHostGroupName = host_group_name rules_spec.info = rules_info return rules_spec def _group_name(self, index, host_group_names): return 'neutron-group-%s-%s' % (index, host_group_names[index - 1]) def _rule_name(self, index, host_group_names): return 'neutron-rule-%s-%s' % (index, host_group_names[index - 1]) def get_configured_vms(self, resource_id, host_group_names): n_host_groups = len(host_group_names) session = self._session resource = vim_util.get_moref(resource_id, 'ResourcePool') # TODO(garyk): cache the cluster details cluster = session.invoke_api( vim_util, "get_object_property", self._session.vim, resource, "owner") cluster_config = session.invoke_api( vim_util, "get_object_property", self._session.vim, cluster, "configurationEx") configured_vms = [] for index in range(n_host_groups): vm_group = None entry_id = index + 1 groups = [] if hasattr(cluster_config, 'group'): groups = cluster_config.group for group in groups: if self._group_name(entry_id, host_group_names) == group.name: vm_group = group break if vm_group and hasattr(vm_group, 'vm'): for vm in vm_group.vm: configured_vms.append(vm.value) return configured_vms def update_cluster_edge_failover(self, resource_id, vm_moids, host_group_names): """Updates cluster for vm placement using DRS""" session = self._session resource = vim_util.get_moref(resource_id, 'ResourcePool') # TODO(garyk): cache the cluster details cluster = session.invoke_api( vim_util, "get_object_property", self._session.vim, resource, "owner") cluster_config = session.invoke_api( vim_util, "get_object_property", self._session.vim, cluster, "configurationEx") vms = [vim_util.get_moref(vm_moid, 'VirtualMachine') if vm_moid else None for vm_moid in vm_moids] client_factory = session.vim.client.factory config_spec = client_factory.create('ns0:ClusterConfigSpecEx') num_host_groups = len(host_group_names) rules = [] if hasattr(cluster_config, 'rule'): rules = cluster_config.rule for index, vm in enumerate(vms, start=1): if not vm: continue vmGroup = None groups = [] if hasattr(cluster_config, 'group'): groups = cluster_config.group for group in groups: if self._group_name(index, host_group_names) == group.name: vmGroup = group break # Create/update the VM group groupSpec = self._create_vm_group_spec( client_factory, self._group_name(index, host_group_names), [vm], vmGroup) config_spec.groupSpec.append(groupSpec) config_rule = None # Create the config rule if it does not exist for rule in rules: if self._rule_name(index, host_group_names) == rule.name: config_rule = rule break if config_rule is None and index <= num_host_groups: ruleSpec = self._create_cluster_rules_spec( client_factory, self._rule_name(index, host_group_names), self._group_name(index, host_group_names), host_group_names[index - 1]) config_spec.rulesSpec.append(ruleSpec) self._reconfigure_cluster(session, cluster, config_spec) def validate_host_groups(self, resource_id, host_group_names): session = self._session resource = vim_util.get_moref(resource_id, 'ResourcePool') cluster = session.invoke_api( vim_util, "get_object_property", self._session.vim, resource, "owner") client_factory = session.vim.client.factory config_spec = client_factory.create('ns0:ClusterConfigSpecEx') cluster_config = session.invoke_api( vim_util, "get_object_property", self._session.vim, cluster, "configurationEx") groups = [] if hasattr(cluster_config, 'group'): groups = cluster_config.group for host_group_name in host_group_names: found = False for group in groups: if host_group_name == group.name: found = True break if not found: LOG.error("%s does not exist", host_group_name) raise exceptions.NotFound() update_cluster = False num_host_groups = len(host_group_names) rules = [] if hasattr(cluster_config, 'rule'): rules = cluster_config.rule # Ensure that the VM groups are created for index in range(num_host_groups): entry_id = index + 1 vmGroup = None for group in groups: if self._group_name(entry_id, host_group_names) == group.name: vmGroup = group break if vmGroup is None: groupSpec = self._create_vm_group_spec( client_factory, self._group_name(entry_id, host_group_names), [], vmGroup) config_spec.groupSpec.append(groupSpec) update_cluster = True config_rule = None # Create the config rule if it does not exist for rule in rules: if self._rule_name(entry_id, host_group_names) == rule.name: config_rule = rule break if config_rule is None and index < num_host_groups: ruleSpec = self._create_cluster_rules_spec( client_factory, self._rule_name(entry_id, host_group_names), self._group_name(entry_id, host_group_names), host_group_names[index - 1]) config_spec.rulesSpec.append(ruleSpec) update_cluster = True if update_cluster: try: self._reconfigure_cluster(session, cluster, config_spec) except Exception as e: LOG.error('Unable to update cluster for host groups %s', e) def _delete_vm_group_spec(self, client_factory, name): group_spec = client_factory.create('ns0:ClusterGroupSpec') group = client_factory.create('ns0:ClusterVmGroup') group.name = name group_spec.operation = 'remove' group_spec.removeKey = name group_spec.info = group return [group_spec] def _delete_cluster_rules_spec(self, client_factory, rule): rules_spec = client_factory.create('ns0:ClusterRuleSpec') rules_spec.operation = 'remove' rules_spec.removeKey = int(rule.key) policy_class = 'ns0:ClusterVmHostRuleInfo' rules_info = client_factory.create(policy_class) rules_info.name = rule.name rules_info.vmGroupName = rule.vmGroupName rules_info.affineHostGroupName = rule.affineHostGroupName rules_spec.info = rules_info return rules_spec def cluster_host_group_cleanup(self, resource_id, host_group_names): n_host_groups = len(host_group_names) session = self._session resource = vim_util.get_moref(resource_id, 'ResourcePool') # TODO(garyk): cache the cluster details cluster = session.invoke_api( vim_util, "get_object_property", self._session.vim, resource, "owner") client_factory = session.vim.client.factory config_spec = client_factory.create('ns0:ClusterConfigSpecEx') cluster_config = session.invoke_api( vim_util, "get_object_property", self._session.vim, cluster, "configurationEx") groups = [] if hasattr(cluster_config, 'group'): groups = cluster_config.group rules = [] if hasattr(cluster_config, 'rule'): rules = cluster_config.rule groupSpec = [] ruleSpec = [] for index in range(n_host_groups): entry_id = index + 1 for group in groups: if self._group_name(entry_id, host_group_names) == group.name: groupSpec.append(self._delete_vm_group_spec( client_factory, group.name)) # Delete the config rule if it exists for rule in rules: if self._rule_name(entry_id, host_group_names) == rule.name: ruleSpec.append(self._delete_cluster_rules_spec( client_factory, rule)) if groupSpec: config_spec.groupSpec = groupSpec if ruleSpec: config_spec.rulesSpec = ruleSpec if groupSpec or ruleSpec: self._reconfigure_cluster(session, cluster, config_spec) class VCManager(DvsManager, VMManager, ClusterManager): """Management class for all vc related tasks.""" pass