A set of Neutron drivers for the VMware NSX.
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# Copyright 2016 VMware, Inc. All rights reserved.
#
# 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 oslo_log import log as logging
from neutron.db import allowedaddresspairs_db as addr_pair_db
from neutron.db import db_base_plugin_v2
from neutron.db import l3_db
from neutron.db import portsecurity_db
from neutron_lib.callbacks import registry
from neutron_lib import constants as const
from neutron_lib import context as neutron_context
from neutron_lib.plugins import constants as plugin_constants
from neutron_lib.plugins import directory
from vmware_nsx.common import utils as nsx_utils
from vmware_nsx.db import db as nsx_db
from vmware_nsx.dvs import dvs
from vmware_nsx.plugins.common_v3 import utils as common_utils
from vmware_nsx.plugins.nsx_v3 import plugin
from vmware_nsx.plugins.nsx_v3 import utils as plugin_utils
from vmware_nsx.shell.admin.plugins.common import constants
from vmware_nsx.shell.admin.plugins.common import formatters
from vmware_nsx.shell.admin.plugins.common import utils as admin_utils
from vmware_nsx.shell.admin.plugins.nsxv3.resources import utils as v3_utils
from vmware_nsx.shell import resources as shell
from vmware_nsxlib.v3 import exceptions as nsx_exc
from vmware_nsxlib.v3 import nsx_constants as nsxlib_consts
from vmware_nsxlib.v3 import resources
LOG = logging.getLogger(__name__)
class PortsPlugin(db_base_plugin_v2.NeutronDbPluginV2,
portsecurity_db.PortSecurityDbMixin,
addr_pair_db.AllowedAddressPairsMixin):
def __enter__(self):
directory.add_plugin(plugin_constants.CORE, self)
return self
def __exit__(self, exc_type, exc_value, traceback):
directory.add_plugin(plugin_constants.CORE, None)
def get_network_nsx_id(session, neutron_id):
# get the nsx switch id from the DB mapping
mappings = nsx_db.get_nsx_switch_ids(session, neutron_id)
if not mappings or len(mappings) == 0:
LOG.debug("Unable to find NSX mappings for neutron "
"network %s.", neutron_id)
# fallback in case we didn't find the id in the db mapping
# This should not happen, but added here in case the network was
# created before this code was added.
return neutron_id
return mappings[0]
@admin_utils.output_header
def list_missing_ports(resource, event, trigger, **kwargs):
"""List neutron ports that are missing the NSX backend port
And ports with wrong switch profiles or bindings
"""
admin_cxt = neutron_context.get_admin_context()
filters = v3_utils.get_plugin_filters(admin_cxt)
nsxlib = v3_utils.get_connected_nsxlib()
with v3_utils.NsxV3PluginWrapper() as v3_plugin:
problems = plugin_utils.get_mismatch_logical_ports(
admin_cxt, nsxlib, v3_plugin, filters)
if len(problems) > 0:
title = ("Found internal ports misconfiguration on the "
"NSX manager:")
LOG.info(formatters.output_formatter(
title, problems,
['neutron_id', 'nsx_id', 'error']))
else:
LOG.info("All internal ports verified on the NSX manager")
def get_vm_network_device(vm_mng, vm_moref, mac_address):
"""Return the network device with MAC 'mac_address'.
This code was inspired by Nova vif.get_network_device
"""
hardware_devices = vm_mng.get_vm_interfaces_info(vm_moref)
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
def migrate_compute_ports_vms(resource, event, trigger, **kwargs):
"""Update the VMs ports on the backend after migrating nsx-v -> nsx-v3
After using api_replay to migrate the neutron data from NSX-V to NSX-T
we need to update the VM ports to use OpaqueNetwork instead of
DistributedVirtualPortgroup
"""
# Connect to the DVS manager, using the configuration parameters
try:
vm_mng = dvs.VMManager()
except Exception as e:
LOG.error("Cannot connect to the DVS: Please update the [dvs] "
"section in the nsx.ini file: %s", e)
return
port_filters = {}
if kwargs.get('property'):
properties = admin_utils.parse_multi_keyval_opt(kwargs['property'])
project = properties.get('project-id')
if project:
port_filters['project_id'] = [project]
net_name = properties.get('net-name', 'VM Network')
LOG.info("Common network name for migration %s", net_name)
host_moref = properties.get('host-moref')
# TODO(garyk): We can explore the option of passing the cluster
# moref then this will remove the need for the host-moref and the
# resource pool moref.
respool_moref = properties.get('respool-moref')
datastore_moref = properties.get('datastore-moref')
if not host_moref:
LOG.error("Unable to migrate with no host")
return
# Go over all the ports from the plugin
admin_cxt = neutron_context.get_admin_context()
with PortsPlugin() as v3_plugin:
neutron_ports = v3_plugin.get_ports(admin_cxt, filters=port_filters)
for port in neutron_ports:
# skip non compute ports
if (not port.get('device_owner').startswith(
const.DEVICE_OWNER_COMPUTE_PREFIX)):
continue
device_id = port.get('device_id')
# get the vm moref & spec from the DVS
vm_moref = vm_mng.get_vm_moref_obj(device_id)
vm_spec = vm_mng.get_vm_spec(vm_moref)
if not vm_spec:
LOG.error("Failed to get the spec of vm %s", device_id)
continue
# Go over the VM interfaces and check if it should be updated
update_spec = False
for prop in vm_spec.propSet:
if (prop.name == 'network' and
hasattr(prop.val, 'ManagedObjectReference')):
for net in prop.val.ManagedObjectReference:
if (net._type == 'DistributedVirtualPortgroup' or
net._type == 'Network'):
update_spec = True
if not update_spec:
LOG.info("No need to update the spec of vm %s", device_id)
continue
device = get_vm_network_device(vm_mng, vm_moref, port['mac_address'])
if device is None:
LOG.warning("No device with MAC address %s exists on the VM",
port['mac_address'])
continue
# Update interface to be common network
devices = [vm_mng.update_vm_network(device, name=net_name)]
LOG.info("Update instance %s to common network", device_id)
vm_mng.update_vm_interface(vm_moref, devices=devices)
LOG.info("Migrate instance %s to host %s", device_id, host_moref)
vm_mng.relocate_vm(vm_moref, host_moref=host_moref,
datastore_moref=datastore_moref,
respool_moref=respool_moref)
LOG.info("Update instance %s to opaque network", device_id)
device = get_vm_network_device(vm_mng, vm_moref, port['mac_address'])
vif_info = {'nsx_id': get_network_nsx_id(admin_cxt.session,
port['network_id']),
'iface_id': port['id']}
devices = [vm_mng.update_vm_opaque_spec(vif_info, device)]
vm_mng.update_vm_interface(vm_moref, devices=devices)
LOG.info("Instance %s successfully migrated!", device_id)
def migrate_exclude_ports(resource, event, trigger, **kwargs):
_nsx_client = v3_utils.get_nsxv3_client()
nsxlib = v3_utils.get_connected_nsxlib()
version = nsxlib.get_version()
if not nsx_utils.is_nsx_version_2_0_0(version):
LOG.info("Migration only supported from 2.0 onwards")
LOG.info("Version is %s", version)
return
admin_cxt = neutron_context.get_admin_context()
ports_plugin = PortsPlugin()
_port_client = resources.LogicalPort(_nsx_client)
exclude_list = nsxlib.firewall_section.get_excludelist()
for member in exclude_list['members']:
if member['target_type'] == 'LogicalPort':
port_id = member['target_id']
# Get port
try:
nsx_port = _port_client.get(port_id)
except nsx_exc.ResourceNotFound:
LOG.info("Port %s not found", port_id)
continue
# Validate its a neutron port
is_neutron_port = False
for tag in nsx_port.get('tags', []):
if tag['scope'] == 'os-neutron-port-id':
is_neutron_port = True
neutron_port_id = tag['tag']
break
if not is_neutron_port:
LOG.info("Port %s is not a neutron port", port_id)
continue
# Check if this port exists in the DB
try:
ports_plugin.get_port(admin_cxt, neutron_port_id)
except Exception:
LOG.info("Port %s is not defined in DB", neutron_port_id)
continue
# Update tag for the port
tags_update = [{'scope': common_utils.PORT_SG_SCOPE,
'tag': nsxlib_consts.EXCLUDE_PORT}]
_port_client.update(port_id, None,
tags_update=tags_update)
# Remove port from the exclude list
nsxlib.firewall_section.remove_member_from_fw_exclude_list(
port_id, nsxlib_consts.TARGET_TYPE_LOGICAL_PORT)
LOG.info("Port %s successfully updated", port_id)
def tag_default_ports(resource, event, trigger, **kwargs):
nsxlib = v3_utils.get_connected_nsxlib()
admin_cxt = neutron_context.get_admin_context()
filters = v3_utils.get_plugin_filters(admin_cxt)
# the plugin creation below will create the NS group and update the default
# OS section to have the correct applied to group
with v3_utils.NsxV3PluginWrapper() as _plugin:
neutron_ports = _plugin.get_ports(admin_cxt, filters=filters)
for port in neutron_ports:
neutron_id = port['id']
# get the network nsx id from the mapping table
nsx_id = plugin_utils.get_port_nsx_id(admin_cxt.session,
neutron_id)
if not nsx_id:
continue
device_owner = port['device_owner']
if (device_owner == l3_db.DEVICE_OWNER_ROUTER_INTF or
device_owner == const.DEVICE_OWNER_DHCP):
continue
ps = _plugin._get_port_security_binding(admin_cxt,
neutron_id)
if not ps:
continue
try:
nsx_port = nsxlib.logical_port.get(nsx_id)
except nsx_exc.ResourceNotFound:
continue
tags_update = nsx_port['tags']
tags_update += [{'scope': common_utils.PORT_SG_SCOPE,
'tag': plugin.NSX_V3_DEFAULT_SECTION}]
nsxlib.logical_port.update(nsx_id, None,
tags_update=tags_update)
registry.subscribe(list_missing_ports,
constants.PORTS,
shell.Operations.LIST_MISMATCHES.value)
registry.subscribe(migrate_compute_ports_vms,
constants.PORTS,
shell.Operations.NSX_MIGRATE_V_V3.value)
registry.subscribe(migrate_exclude_ports,
constants.PORTS,
shell.Operations.NSX_MIGRATE_EXCLUDE_PORTS.value)
registry.subscribe(tag_default_ports,
constants.PORTS,
shell.Operations.NSX_TAG_DEFAULT.value)