0f2f768578
The operations in questions were still using the neutron network uuid as the nsx switch uuid, but this is no longer valid. Close-bug: #1312439 Change-Id: I0f4bf02bb176c5c3914c7dd7e8249121af1b5a79
464 lines
21 KiB
Python
464 lines
21 KiB
Python
# Copyright 2014 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.config import cfg
|
|
|
|
from neutron.common import exceptions as n_exc
|
|
from neutron.openstack.common.db import exception as db_exc
|
|
from neutron.openstack.common import excutils
|
|
from neutron.openstack.common import log as logging
|
|
from neutron.plugins.vmware.api_client import exception as api_exc
|
|
from neutron.plugins.vmware.common import exceptions as p_exc
|
|
from neutron.plugins.vmware.common import nsx_utils
|
|
from neutron.plugins.vmware.dbexts import lsn_db
|
|
from neutron.plugins.vmware.dhcp_meta import constants as const
|
|
from neutron.plugins.vmware.nsxlib import lsn as lsn_api
|
|
from neutron.plugins.vmware.nsxlib import switch as switch_api
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
META_CONF = 'metadata-proxy'
|
|
DHCP_CONF = 'dhcp'
|
|
|
|
|
|
lsn_opts = [
|
|
cfg.BoolOpt('sync_on_missing_data', default=False,
|
|
help=_('Pull LSN information from NSX in case it is missing '
|
|
'from the local data store. This is useful to rebuild '
|
|
'the local store in case of server recovery.'))
|
|
]
|
|
|
|
|
|
def register_lsn_opts(config):
|
|
config.CONF.register_opts(lsn_opts, "NSX_LSN")
|
|
|
|
|
|
class LsnManager(object):
|
|
"""Manage LSN entities associated with networks."""
|
|
|
|
def __init__(self, plugin):
|
|
self.plugin = plugin
|
|
|
|
@property
|
|
def cluster(self):
|
|
return self.plugin.cluster
|
|
|
|
def lsn_exists(self, context, network_id):
|
|
"""Return True if a Logical Service Node exists for the network."""
|
|
return self.lsn_get(
|
|
context, network_id, raise_on_err=False) is not None
|
|
|
|
def lsn_get(self, context, network_id, raise_on_err=True):
|
|
"""Retrieve the LSN id associated to the network."""
|
|
try:
|
|
return lsn_api.lsn_for_network_get(self.cluster, network_id)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
logger = raise_on_err and LOG.error or LOG.warn
|
|
logger(_('Unable to find Logical Service Node for '
|
|
'network %s'), network_id)
|
|
if raise_on_err:
|
|
raise p_exc.LsnNotFound(entity='network',
|
|
entity_id=network_id)
|
|
|
|
def lsn_create(self, context, network_id):
|
|
"""Create a LSN associated to the network."""
|
|
try:
|
|
return lsn_api.lsn_for_network_create(self.cluster, network_id)
|
|
except api_exc.NsxApiException:
|
|
err_msg = _('Unable to create LSN for network %s') % network_id
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
|
|
def lsn_delete(self, context, lsn_id):
|
|
"""Delete a LSN given its id."""
|
|
try:
|
|
lsn_api.lsn_delete(self.cluster, lsn_id)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
LOG.warn(_('Unable to delete Logical Service Node %s'), lsn_id)
|
|
|
|
def lsn_delete_by_network(self, context, network_id):
|
|
"""Delete a LSN associated to the network."""
|
|
lsn_id = self.lsn_get(context, network_id, raise_on_err=False)
|
|
if lsn_id:
|
|
self.lsn_delete(context, lsn_id)
|
|
|
|
def lsn_port_get(self, context, network_id, subnet_id, raise_on_err=True):
|
|
"""Retrieve LSN and LSN port for the network and the subnet."""
|
|
lsn_id = self.lsn_get(context, network_id, raise_on_err=raise_on_err)
|
|
if lsn_id:
|
|
try:
|
|
lsn_port_id = lsn_api.lsn_port_by_subnet_get(
|
|
self.cluster, lsn_id, subnet_id)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
logger = raise_on_err and LOG.error or LOG.warn
|
|
logger(_('Unable to find Logical Service Node Port for '
|
|
'LSN %(lsn_id)s and subnet %(subnet_id)s')
|
|
% {'lsn_id': lsn_id, 'subnet_id': subnet_id})
|
|
if raise_on_err:
|
|
raise p_exc.LsnPortNotFound(lsn_id=lsn_id,
|
|
entity='subnet',
|
|
entity_id=subnet_id)
|
|
return (lsn_id, None)
|
|
else:
|
|
return (lsn_id, lsn_port_id)
|
|
else:
|
|
return (None, None)
|
|
|
|
def lsn_port_get_by_mac(self, context, network_id, mac, raise_on_err=True):
|
|
"""Retrieve LSN and LSN port given network and mac address."""
|
|
lsn_id = self.lsn_get(context, network_id, raise_on_err=raise_on_err)
|
|
if lsn_id:
|
|
try:
|
|
lsn_port_id = lsn_api.lsn_port_by_mac_get(
|
|
self.cluster, lsn_id, mac)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
logger = raise_on_err and LOG.error or LOG.warn
|
|
logger(_('Unable to find Logical Service Node Port for '
|
|
'LSN %(lsn_id)s and mac address %(mac)s')
|
|
% {'lsn_id': lsn_id, 'mac': mac})
|
|
if raise_on_err:
|
|
raise p_exc.LsnPortNotFound(lsn_id=lsn_id,
|
|
entity='MAC',
|
|
entity_id=mac)
|
|
return (lsn_id, None)
|
|
else:
|
|
return (lsn_id, lsn_port_id)
|
|
else:
|
|
return (None, None)
|
|
|
|
def lsn_port_create(self, context, lsn_id, subnet_info):
|
|
"""Create and return LSN port for associated subnet."""
|
|
try:
|
|
return lsn_api.lsn_port_create(self.cluster, lsn_id, subnet_info)
|
|
except n_exc.NotFound:
|
|
raise p_exc.LsnNotFound(entity='', entity_id=lsn_id)
|
|
except api_exc.NsxApiException:
|
|
err_msg = _('Unable to create port for LSN %s') % lsn_id
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
|
|
def lsn_port_delete(self, context, lsn_id, lsn_port_id):
|
|
"""Delete a LSN port from the Logical Service Node."""
|
|
try:
|
|
lsn_api.lsn_port_delete(self.cluster, lsn_id, lsn_port_id)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
LOG.warn(_('Unable to delete LSN Port %s'), lsn_port_id)
|
|
|
|
def lsn_port_dispose(self, context, network_id, mac_address):
|
|
"""Delete a LSN port given the network and the mac address."""
|
|
lsn_id, lsn_port_id = self.lsn_port_get_by_mac(
|
|
context, network_id, mac_address, raise_on_err=False)
|
|
if lsn_port_id:
|
|
self.lsn_port_delete(context, lsn_id, lsn_port_id)
|
|
if mac_address == const.METADATA_MAC:
|
|
try:
|
|
lswitch_port_id = switch_api.get_port_by_neutron_tag(
|
|
self.cluster, network_id,
|
|
const.METADATA_PORT_ID)['uuid']
|
|
switch_api.delete_port(
|
|
self.cluster, network_id, lswitch_port_id)
|
|
except (n_exc.PortNotFoundOnNetwork,
|
|
api_exc.NsxApiException):
|
|
LOG.warn(_("Metadata port not found while attempting "
|
|
"to delete it from network %s"), network_id)
|
|
else:
|
|
LOG.warn(_("Unable to find Logical Services Node "
|
|
"Port with MAC %s"), mac_address)
|
|
|
|
def lsn_port_dhcp_setup(
|
|
self, context, network_id, port_id, port_data, subnet_config=None):
|
|
"""Connect network to LSN via specified port and port_data."""
|
|
try:
|
|
lsn_id = None
|
|
switch_id = nsx_utils.get_nsx_switch_ids(
|
|
context.session, self.cluster, network_id)[0]
|
|
lswitch_port_id = switch_api.get_port_by_neutron_tag(
|
|
self.cluster, switch_id, port_id)['uuid']
|
|
lsn_id = self.lsn_get(context, network_id)
|
|
lsn_port_id = self.lsn_port_create(context, lsn_id, port_data)
|
|
except (n_exc.NotFound, p_exc.NsxPluginException):
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=port_id)
|
|
else:
|
|
try:
|
|
lsn_api.lsn_port_plug_network(
|
|
self.cluster, lsn_id, lsn_port_id, lswitch_port_id)
|
|
except p_exc.LsnConfigurationConflict:
|
|
self.lsn_port_delete(context, lsn_id, lsn_port_id)
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=port_id)
|
|
if subnet_config:
|
|
self.lsn_port_dhcp_configure(
|
|
context, lsn_id, lsn_port_id, subnet_config)
|
|
else:
|
|
return (lsn_id, lsn_port_id)
|
|
|
|
def lsn_port_metadata_setup(self, context, lsn_id, subnet):
|
|
"""Connect subnet to specified LSN."""
|
|
data = {
|
|
"mac_address": const.METADATA_MAC,
|
|
"ip_address": subnet['cidr'],
|
|
"subnet_id": subnet['id']
|
|
}
|
|
network_id = subnet['network_id']
|
|
tenant_id = subnet['tenant_id']
|
|
lswitch_port_id = None
|
|
try:
|
|
switch_id = nsx_utils.get_nsx_switch_ids(
|
|
context.session, self.cluster, network_id)[0]
|
|
lswitch_port_id = switch_api.create_lport(
|
|
self.cluster, switch_id, tenant_id,
|
|
const.METADATA_PORT_ID, const.METADATA_PORT_NAME,
|
|
const.METADATA_DEVICE_ID, True)['uuid']
|
|
lsn_port_id = self.lsn_port_create(self.cluster, lsn_id, data)
|
|
except (n_exc.NotFound, p_exc.NsxPluginException,
|
|
api_exc.NsxApiException):
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=lswitch_port_id)
|
|
else:
|
|
try:
|
|
lsn_api.lsn_port_plug_network(
|
|
self.cluster, lsn_id, lsn_port_id, lswitch_port_id)
|
|
except p_exc.LsnConfigurationConflict:
|
|
self.lsn_port_delete(self.cluster, lsn_id, lsn_port_id)
|
|
switch_api.delete_port(
|
|
self.cluster, network_id, lswitch_port_id)
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=lsn_port_id)
|
|
|
|
def lsn_port_dhcp_configure(self, context, lsn_id, lsn_port_id, subnet):
|
|
"""Enable/disable dhcp services with the given config options."""
|
|
is_enabled = subnet["enable_dhcp"]
|
|
dhcp_options = {
|
|
"domain_name": cfg.CONF.NSX_DHCP.domain_name,
|
|
"default_lease_time": cfg.CONF.NSX_DHCP.default_lease_time,
|
|
}
|
|
dns_servers = cfg.CONF.NSX_DHCP.extra_domain_name_servers or []
|
|
dns_servers.extend(subnet["dns_nameservers"])
|
|
if subnet['gateway_ip']:
|
|
dhcp_options["routers"] = subnet["gateway_ip"]
|
|
if dns_servers:
|
|
dhcp_options["domain_name_servers"] = ",".join(dns_servers)
|
|
if subnet["host_routes"]:
|
|
dhcp_options["classless_static_routes"] = (
|
|
",".join(subnet["host_routes"])
|
|
)
|
|
try:
|
|
lsn_api.lsn_port_dhcp_configure(
|
|
self.cluster, lsn_id, lsn_port_id, is_enabled, dhcp_options)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
err_msg = (_('Unable to configure dhcp for Logical Service '
|
|
'Node %(lsn_id)s and port %(lsn_port_id)s')
|
|
% {'lsn_id': lsn_id, 'lsn_port_id': lsn_port_id})
|
|
LOG.error(err_msg)
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
|
|
def lsn_metadata_configure(self, context, subnet_id, is_enabled):
|
|
"""Configure metadata service for the specified subnet."""
|
|
subnet = self.plugin.get_subnet(context, subnet_id)
|
|
network_id = subnet['network_id']
|
|
meta_conf = cfg.CONF.NSX_METADATA
|
|
metadata_options = {
|
|
'metadata_server_ip': meta_conf.metadata_server_address,
|
|
'metadata_server_port': meta_conf.metadata_server_port,
|
|
'metadata_proxy_shared_secret': meta_conf.metadata_shared_secret
|
|
}
|
|
try:
|
|
lsn_id = self.lsn_get(context, network_id)
|
|
lsn_api.lsn_metadata_configure(
|
|
self.cluster, lsn_id, is_enabled, metadata_options)
|
|
except (p_exc.LsnNotFound, api_exc.NsxApiException):
|
|
err_msg = (_('Unable to configure metadata '
|
|
'for subnet %s') % subnet_id)
|
|
LOG.error(err_msg)
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
if is_enabled:
|
|
try:
|
|
# test that the lsn port exists
|
|
self.lsn_port_get(context, network_id, subnet_id)
|
|
except p_exc.LsnPortNotFound:
|
|
# this might happen if subnet had dhcp off when created
|
|
# so create one, and wire it
|
|
self.lsn_port_metadata_setup(context, lsn_id, subnet)
|
|
else:
|
|
self.lsn_port_dispose(context, network_id, const.METADATA_MAC)
|
|
|
|
def _lsn_port_host_conf(self, context, network_id, subnet_id, data, hdlr):
|
|
lsn_id = None
|
|
lsn_port_id = None
|
|
try:
|
|
lsn_id, lsn_port_id = self.lsn_port_get(
|
|
context, network_id, subnet_id)
|
|
hdlr(self.cluster, lsn_id, lsn_port_id, data)
|
|
except (n_exc.NotFound, api_exc.NsxApiException):
|
|
LOG.error(_('Error while configuring LSN '
|
|
'port %s'), lsn_port_id)
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=lsn_port_id)
|
|
|
|
def lsn_port_dhcp_host_add(self, context, network_id, subnet_id, host):
|
|
"""Add dhcp host entry to LSN port configuration."""
|
|
self._lsn_port_host_conf(context, network_id, subnet_id, host,
|
|
lsn_api.lsn_port_dhcp_host_add)
|
|
|
|
def lsn_port_dhcp_host_remove(self, context, network_id, subnet_id, host):
|
|
"""Remove dhcp host entry from LSN port configuration."""
|
|
self._lsn_port_host_conf(context, network_id, subnet_id, host,
|
|
lsn_api.lsn_port_dhcp_host_remove)
|
|
|
|
def lsn_port_meta_host_add(self, context, network_id, subnet_id, host):
|
|
"""Add dhcp host entry to LSN port configuration."""
|
|
self._lsn_port_host_conf(context, network_id, subnet_id, host,
|
|
lsn_api.lsn_port_metadata_host_add)
|
|
|
|
def lsn_port_meta_host_remove(self, context, network_id, subnet_id, host):
|
|
"""Remove dhcp host entry from LSN port configuration."""
|
|
self._lsn_port_host_conf(context, network_id, subnet_id, host,
|
|
lsn_api.lsn_port_metadata_host_remove)
|
|
|
|
def lsn_port_update(
|
|
self, context, network_id, subnet_id, dhcp=None, meta=None):
|
|
"""Update the specified configuration for the LSN port."""
|
|
if not dhcp and not meta:
|
|
return
|
|
try:
|
|
lsn_id, lsn_port_id = self.lsn_port_get(
|
|
context, network_id, subnet_id, raise_on_err=False)
|
|
if dhcp and lsn_id and lsn_port_id:
|
|
lsn_api.lsn_port_host_entries_update(
|
|
self.cluster, lsn_id, lsn_port_id, DHCP_CONF, dhcp)
|
|
if meta and lsn_id and lsn_port_id:
|
|
lsn_api.lsn_port_host_entries_update(
|
|
self.cluster, lsn_id, lsn_port_id, META_CONF, meta)
|
|
except api_exc.NsxApiException:
|
|
raise p_exc.PortConfigurationError(
|
|
net_id=network_id, lsn_id=lsn_id, port_id=lsn_port_id)
|
|
|
|
|
|
class PersistentLsnManager(LsnManager):
|
|
"""Add local persistent state to LSN Manager."""
|
|
|
|
def __init__(self, plugin):
|
|
super(PersistentLsnManager, self).__init__(plugin)
|
|
self.sync_on_missing = cfg.CONF.NSX_LSN.sync_on_missing_data
|
|
|
|
def lsn_get(self, context, network_id, raise_on_err=True):
|
|
try:
|
|
obj = lsn_db.lsn_get_for_network(
|
|
context, network_id, raise_on_err=raise_on_err)
|
|
return obj.lsn_id if obj else None
|
|
except p_exc.LsnNotFound:
|
|
with excutils.save_and_reraise_exception() as ctxt:
|
|
ctxt.reraise = False
|
|
if self.sync_on_missing:
|
|
lsn_id = super(PersistentLsnManager, self).lsn_get(
|
|
context, network_id, raise_on_err=raise_on_err)
|
|
self.lsn_save(context, network_id, lsn_id)
|
|
return lsn_id
|
|
if raise_on_err:
|
|
ctxt.reraise = True
|
|
|
|
def lsn_save(self, context, network_id, lsn_id):
|
|
"""Save LSN-Network mapping to the DB."""
|
|
try:
|
|
lsn_db.lsn_add(context, network_id, lsn_id)
|
|
except db_exc.DBError:
|
|
err_msg = _('Unable to save LSN for network %s') % network_id
|
|
LOG.exception(err_msg)
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
|
|
def lsn_create(self, context, network_id):
|
|
lsn_id = super(PersistentLsnManager,
|
|
self).lsn_create(context, network_id)
|
|
try:
|
|
self.lsn_save(context, network_id, lsn_id)
|
|
except p_exc.NsxPluginException:
|
|
with excutils.save_and_reraise_exception():
|
|
super(PersistentLsnManager, self).lsn_delete(context, lsn_id)
|
|
return lsn_id
|
|
|
|
def lsn_delete(self, context, lsn_id):
|
|
lsn_db.lsn_remove(context, lsn_id)
|
|
super(PersistentLsnManager, self).lsn_delete(context, lsn_id)
|
|
|
|
def lsn_port_get(self, context, network_id, subnet_id, raise_on_err=True):
|
|
try:
|
|
obj = lsn_db.lsn_port_get_for_subnet(
|
|
context, subnet_id, raise_on_err=raise_on_err)
|
|
return (obj.lsn_id, obj.lsn_port_id) if obj else (None, None)
|
|
except p_exc.LsnPortNotFound:
|
|
with excutils.save_and_reraise_exception() as ctxt:
|
|
ctxt.reraise = False
|
|
if self.sync_on_missing:
|
|
lsn_id, lsn_port_id = (
|
|
super(PersistentLsnManager, self).lsn_port_get(
|
|
context, network_id, subnet_id,
|
|
raise_on_err=raise_on_err))
|
|
mac_addr = lsn_api.lsn_port_info_get(
|
|
self.cluster, lsn_id, lsn_port_id)['mac_address']
|
|
self.lsn_port_save(
|
|
context, lsn_port_id, subnet_id, mac_addr, lsn_id)
|
|
return (lsn_id, lsn_port_id)
|
|
if raise_on_err:
|
|
ctxt.reraise = True
|
|
|
|
def lsn_port_get_by_mac(self, context, network_id, mac, raise_on_err=True):
|
|
try:
|
|
obj = lsn_db.lsn_port_get_for_mac(
|
|
context, mac, raise_on_err=raise_on_err)
|
|
return (obj.lsn_id, obj.lsn_port_id) if obj else (None, None)
|
|
except p_exc.LsnPortNotFound:
|
|
with excutils.save_and_reraise_exception() as ctxt:
|
|
ctxt.reraise = False
|
|
if self.sync_on_missing:
|
|
lsn_id, lsn_port_id = (
|
|
super(PersistentLsnManager, self).lsn_port_get_by_mac(
|
|
context, network_id, mac,
|
|
raise_on_err=raise_on_err))
|
|
subnet_id = lsn_api.lsn_port_info_get(
|
|
self.cluster, lsn_id, lsn_port_id).get('subnet_id')
|
|
self.lsn_port_save(
|
|
context, lsn_port_id, subnet_id, mac, lsn_id)
|
|
return (lsn_id, lsn_port_id)
|
|
if raise_on_err:
|
|
ctxt.reraise = True
|
|
|
|
def lsn_port_save(self, context, lsn_port_id, subnet_id, mac_addr, lsn_id):
|
|
"""Save LSN Port information to the DB."""
|
|
try:
|
|
lsn_db.lsn_port_add_for_lsn(
|
|
context, lsn_port_id, subnet_id, mac_addr, lsn_id)
|
|
except db_exc.DBError:
|
|
err_msg = _('Unable to save LSN port for subnet %s') % subnet_id
|
|
LOG.exception(err_msg)
|
|
raise p_exc.NsxPluginException(err_msg=err_msg)
|
|
|
|
def lsn_port_create(self, context, lsn_id, subnet_info):
|
|
lsn_port_id = super(PersistentLsnManager,
|
|
self).lsn_port_create(context, lsn_id, subnet_info)
|
|
try:
|
|
self.lsn_port_save(context, lsn_port_id, subnet_info['subnet_id'],
|
|
subnet_info['mac_address'], lsn_id)
|
|
except p_exc.NsxPluginException:
|
|
with excutils.save_and_reraise_exception():
|
|
super(PersistentLsnManager, self).lsn_port_delete(
|
|
context, lsn_id, lsn_port_id)
|
|
return lsn_port_id
|
|
|
|
def lsn_port_delete(self, context, lsn_id, lsn_port_id):
|
|
lsn_db.lsn_port_remove(context, lsn_port_id)
|
|
super(PersistentLsnManager, self).lsn_port_delete(
|
|
context, lsn_id, lsn_port_id)
|