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vmware-nsx/quantum/plugins/nicira/nicira_nvp_plugin/QuantumPlugin.py

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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Nicira, 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.
#
# @author: Somik Behera, Nicira Networks, Inc.
# @author: Brad Hall, Nicira Networks, Inc.
# @author: Aaron Rosen, Nicira Networks, Inc.
import hashlib
import logging
from oslo.config import cfg
from sqlalchemy.orm import exc as sa_exc
import webob.exc
from quantum.api.rpc.agentnotifiers import dhcp_rpc_agent_api
from quantum.api.v2 import attributes as attr
from quantum.api.v2 import base
from quantum.common import constants
from quantum import context as q_context
from quantum.common import exceptions as q_exc
from quantum.common import rpc as q_rpc
from quantum.common import topics
from quantum.db import agents_db
from quantum.db import agentschedulers_db
from quantum.db import api as db
from quantum.db import db_base_plugin_v2
from quantum.db import dhcp_rpc_base
from quantum.db import l3_db
from quantum.db import models_v2
from quantum.db import portsecurity_db
# NOTE: quota_db cannot be removed, it is for db model
from quantum.db import quota_db
from quantum.db import securitygroups_db
from quantum.extensions import l3
from quantum.extensions import portsecurity as psec
from quantum.extensions import providernet as pnet
from quantum.extensions import securitygroup as ext_sg
from quantum.openstack.common import importutils
from quantum.openstack.common import rpc
from quantum.plugins.nicira.nicira_nvp_plugin.common import (metadata_access
as nvp_meta)
from quantum.plugins.nicira.nicira_nvp_plugin.common import (securitygroups
as nvp_sec)
from quantum import policy
from quantum.plugins.nicira.nicira_nvp_plugin.common import config
from quantum.plugins.nicira.nicira_nvp_plugin.common import (exceptions
as nvp_exc)
from quantum.plugins.nicira.nicira_nvp_plugin.extensions import (nvp_networkgw
as networkgw)
from quantum.plugins.nicira.nicira_nvp_plugin.extensions import (nvp_qos
as ext_qos)
from quantum.plugins.nicira.nicira_nvp_plugin import nicira_db
from quantum.plugins.nicira.nicira_nvp_plugin import (nicira_networkgw_db
as networkgw_db)
from quantum.plugins.nicira.nicira_nvp_plugin import nicira_qos_db as qos_db
from quantum.plugins.nicira.nicira_nvp_plugin import nvp_cluster
from quantum.plugins.nicira.nicira_nvp_plugin.nvp_plugin_version import (
PLUGIN_VERSION)
from quantum.plugins.nicira.nicira_nvp_plugin import NvpApiClient
from quantum.plugins.nicira.nicira_nvp_plugin import nvplib
LOG = logging.getLogger("QuantumPlugin")
NVP_NOSNAT_RULES_ORDER = 10
NVP_FLOATINGIP_NAT_RULES_ORDER = 200
NVP_EXTGW_NAT_RULES_ORDER = 255
# Provider network extension - allowed network types for the NVP Plugin
class NetworkTypes:
""" Allowed provider network types for the NVP Plugin """
L3_EXT = 'l3_ext'
STT = 'stt'
GRE = 'gre'
FLAT = 'flat'
VLAN = 'vlan'
def parse_config():
"""Parse the supplied plugin configuration.
:param config: a ConfigParser() object encapsulating nvp.ini.
:returns: A tuple: (clusters, plugin_config). 'clusters' is a list of
NVPCluster objects, 'plugin_config' is a dictionary with plugin
parameters (currently only 'max_lp_per_bridged_ls').
"""
# Warn if metadata_dhcp_host_route option is specified
if cfg.CONF.metadata_dhcp_host_route:
LOG.warning(_("The metadata_dhcp_host_route is now obsolete, and "
"will have no effect. Instead, please set the "
"enable_isolated_metadata option in dhcp_agent.ini"))
nvp_conf = config.ClusterConfigOptions(cfg.CONF)
cluster_names = config.register_cluster_groups(nvp_conf)
nvp_conf.log_opt_values(LOG, logging.DEBUG)
clusters_options = []
for cluster_name in cluster_names:
clusters_options.append(
{'name': cluster_name,
'default_tz_uuid':
nvp_conf[cluster_name].default_tz_uuid,
'nvp_cluster_uuid':
nvp_conf[cluster_name].nvp_cluster_uuid,
'nova_zone_id':
nvp_conf[cluster_name].nova_zone_id,
'nvp_controller_connection':
nvp_conf[cluster_name].nvp_controller_connection,
'default_l3_gw_service_uuid':
nvp_conf[cluster_name].default_l3_gw_service_uuid,
'default_l2_gw_service_uuid':
nvp_conf[cluster_name].default_l2_gw_service_uuid,
'default_interface_name':
nvp_conf[cluster_name].default_interface_name})
LOG.debug(_("Cluster options:%s"), clusters_options)
# If no api_extensions_path is provided set the following
if not cfg.CONF.api_extensions_path:
cfg.CONF.set_override(
'api_extensions_path',
'quantum/plugins/nicira/nicira_nvp_plugin/extensions')
return cfg.CONF.NVP, clusters_options
def parse_clusters_opts(clusters_opts, concurrent_connections,
nvp_gen_timeout, default_cluster_name):
# Will store the first cluster in case is needed for default
# cluster assignment
clusters = {}
first_cluster = None
for c_opts in clusters_opts:
# Password is guaranteed to be the same across all controllers
# in the same NVP cluster.
cluster = nvp_cluster.NVPCluster(c_opts['name'])
try:
for ctrl_conn in c_opts['nvp_controller_connection']:
args = ctrl_conn.split(':')
try:
args.extend([c_opts['default_tz_uuid'],
c_opts['nvp_cluster_uuid'],
c_opts['nova_zone_id'],
c_opts['default_l3_gw_service_uuid'],
c_opts['default_l2_gw_service_uuid'],
c_opts['default_interface_name']])
cluster.add_controller(*args)
except Exception:
LOG.exception(_("Invalid connection parameters for "
"controller %(ctrl)s in "
"cluster %(cluster)s"),
{'ctrl': ctrl_conn,
'cluster': c_opts['name']})
raise nvp_exc.NvpInvalidConnection(
conn_params=ctrl_conn)
except TypeError:
msg = _("No controller connection specified in cluster "
"configuration. Please ensure at least a value for "
"'nvp_controller_connection' is specified in the "
"[CLUSTER:%s] section") % c_opts['name']
LOG.exception(msg)
raise nvp_exc.NvpPluginException(err_desc=msg)
api_providers = [(x['ip'], x['port'], True)
for x in cluster.controllers]
cluster.api_client = NvpApiClient.NVPApiHelper(
api_providers, cluster.user, cluster.password,
request_timeout=cluster.request_timeout,
http_timeout=cluster.http_timeout,
retries=cluster.retries,
redirects=cluster.redirects,
concurrent_connections=concurrent_connections,
nvp_gen_timeout=nvp_gen_timeout)
if not clusters:
first_cluster = cluster
clusters[c_opts['name']] = cluster
if default_cluster_name and default_cluster_name in clusters:
default_cluster = clusters[default_cluster_name]
else:
default_cluster = first_cluster
return (clusters, default_cluster)
class NVPRpcCallbacks(dhcp_rpc_base.DhcpRpcCallbackMixin):
# Set RPC API version to 1.0 by default.
RPC_API_VERSION = '1.0'
def create_rpc_dispatcher(self):
'''Get the rpc dispatcher for this manager.
If a manager would like to set an rpc API version, or support more than
one class as the target of rpc messages, override this method.
'''
return q_rpc.PluginRpcDispatcher([self,
agents_db.AgentExtRpcCallback()])
class NvpPluginV2(db_base_plugin_v2.QuantumDbPluginV2,
l3_db.L3_NAT_db_mixin,
portsecurity_db.PortSecurityDbMixin,
securitygroups_db.SecurityGroupDbMixin,
networkgw_db.NetworkGatewayMixin,
qos_db.NVPQoSDbMixin,
nvp_sec.NVPSecurityGroups,
nvp_meta.NvpMetadataAccess,
agents_db.AgentDbMixin,
agentschedulers_db.AgentSchedulerDbMixin):
"""
NvpPluginV2 is a Quantum plugin that provides L2 Virtual Network
functionality using NVP.
"""
supported_extension_aliases = ["provider", "quotas", "port-security",
"router", "security-group", "nvp-qos",
"network-gateway"]
__native_bulk_support = True
# Map nova zones to cluster for easy retrieval
novazone_cluster_map = {}
# Default controller cluster (to be used when nova zone id is unspecified)
default_cluster = None
provider_network_view = "extension:provider_network:view"
provider_network_set = "extension:provider_network:set"
port_security_enabled_create = "create_port:port_security_enabled"
port_security_enabled_update = "update_port:port_security_enabled"
def __init__(self, loglevel=None):
if loglevel:
logging.basicConfig(level=loglevel)
nvplib.LOG.setLevel(loglevel)
NvpApiClient.LOG.setLevel(loglevel)
# Routines for managing logical ports in NVP
self._port_drivers = {
'create': {l3_db.DEVICE_OWNER_ROUTER_GW:
self._nvp_create_ext_gw_port,
l3_db.DEVICE_OWNER_ROUTER_INTF:
self._nvp_create_port,
l3_db.DEVICE_OWNER_FLOATINGIP:
self._nvp_create_fip_port,
l3_db.DEVICE_OWNER_ROUTER_INTF:
self._nvp_create_router_port,
networkgw_db.DEVICE_OWNER_NET_GW_INTF:
self._nvp_create_l2_gw_port,
'default': self._nvp_create_port},
'delete': {l3_db.DEVICE_OWNER_ROUTER_GW:
self._nvp_delete_ext_gw_port,
l3_db.DEVICE_OWNER_ROUTER_INTF:
self._nvp_delete_router_port,
l3_db.DEVICE_OWNER_FLOATINGIP:
self._nvp_delete_fip_port,
l3_db.DEVICE_OWNER_ROUTER_INTF:
self._nvp_delete_port,
networkgw_db.DEVICE_OWNER_NET_GW_INTF:
self._nvp_delete_port,
'default': self._nvp_delete_port}
}
self.nvp_opts, self.clusters_opts = parse_config()
if not self.clusters_opts:
msg = _("No cluster specified in NVP plugin configuration. "
"Unable to start. Please ensure at least a "
"[CLUSTER:<cluster_name>] section is specified in "
"the NVP Plugin configuration file.")
LOG.error(msg)
raise nvp_exc.NvpPluginException(err_desc=msg)
self.clusters, self.default_cluster = parse_clusters_opts(
self.clusters_opts, self.nvp_opts.concurrent_connections,
self.nvp_opts.nvp_gen_timeout, self.nvp_opts.default_cluster_name)
db.configure_db()
# Extend the fault map
self._extend_fault_map()
# Set up RPC interface for DHCP agent
self.setup_rpc()
self.network_scheduler = importutils.import_object(
cfg.CONF.network_scheduler_driver)
# TODO(salvatore-orlando): Handle default gateways in multiple clusters
self._ensure_default_network_gateway()
def _ensure_default_network_gateway(self):
# Add the gw in the db as default, and unset any previous default
def_l2_gw_uuid = self.default_cluster.default_l2_gw_service_uuid
try:
ctx = q_context.get_admin_context()
self._unset_default_network_gateways(ctx)
if not def_l2_gw_uuid:
return
try:
def_network_gw = self._get_network_gateway(ctx,
def_l2_gw_uuid)
except sa_exc.NoResultFound:
# Create in DB only - don't go on NVP
def_gw_data = {'id': def_l2_gw_uuid,
'name': 'default L2 gateway service',
'devices': []}
gw_res_name = networkgw.RESOURCE_NAME.replace('-', '_')
def_network_gw = super(
NvpPluginV2, self).create_network_gateway(
ctx, {gw_res_name: def_gw_data})
# In any case set is as default
self._set_default_network_gateway(ctx, def_network_gw['id'])
except Exception:
# This is fatal - abort startup
LOG.exception(_("Unable to process default l2 gw service:%s"),
def_l2_gw_uuid)
raise
def _build_ip_address_list(self, context, fixed_ips, subnet_ids=None):
""" Build ip_addresses data structure for logical router port
No need to perform validation on IPs - this has already been
done in the l3_db mixin class
"""
ip_addresses = []
for ip in fixed_ips:
if not subnet_ids or (ip['subnet_id'] in subnet_ids):
subnet = self._get_subnet(context, ip['subnet_id'])
ip_prefix = '%s/%s' % (ip['ip_address'],
subnet['cidr'].split('/')[1])
ip_addresses.append(ip_prefix)
return ip_addresses
def _create_and_attach_router_port(self, cluster, context,
router_id, port_data,
attachment_type, attachment,
attachment_vlan=None,
subnet_ids=None):
# Use a fake IP address if gateway port is not 'real'
ip_addresses = (port_data.get('fake_ext_gw') and
['0.0.0.0/31'] or
self._build_ip_address_list(context,
port_data['fixed_ips'],
subnet_ids))
try:
lrouter_port = nvplib.create_router_lport(
cluster, router_id, port_data.get('tenant_id', 'fake'),
port_data.get('id', 'fake'), port_data.get('name', 'fake'),
port_data.get('admin_state_up', True), ip_addresses)
LOG.debug(_("Created NVP router port:%s"), lrouter_port['uuid'])
except NvpApiClient.NvpApiException:
LOG.exception(_("Unable to create port on NVP logical router %s"),
router_id)
raise nvp_exc.NvpPluginException(_("Unable to create logical "
"router port for quantum port "
"id %(port_id)s on router "
"%(router_id)s"),
{'port_id': port_data.get('id'),
'router_id': router_id})
self._update_router_port_attachment(cluster, context, router_id,
port_data, attachment_type,
attachment, attachment_vlan,
lrouter_port['uuid'])
return lrouter_port
def _update_router_port_attachment(self, cluster, context,
router_id, port_data,
attachment_type, attachment,
attachment_vlan=None,
nvp_router_port_id=None):
if not nvp_router_port_id:
nvp_router_port_id = self._find_router_gw_port(context, port_data)
try:
nvplib.plug_router_port_attachment(cluster, router_id,
nvp_router_port_id,
attachment,
attachment_type,
attachment_vlan)
LOG.debug(_("Attached %(att)s to NVP router port %(port)s"),
{'att': attachment, 'port': nvp_router_port_id})
except NvpApiClient.NvpApiException:
# Must remove NVP logical port
nvplib.delete_router_lport(cluster, router_id,
nvp_router_port_id)
LOG.exception(_("Unable to plug attachment in NVP logical "
"router port %(r_port_id)s, associated with "
"Quantum %(q_port_id)s"),
{'r_port_id': nvp_router_port_id,
'q_port_id': port_data.get('id')})
raise nvp_exc.NvpPluginException(
err_msg=(_("Unable to plug attachment in router port "
"%(r_port_id)s for quantum port id %(q_port_id)s "
"on router %(router_id)s") %
{'r_port_id': nvp_router_port_id,
'q_port_id': port_data.get('id'),
'router_id': router_id}))
def _get_port_by_device_id(self, context, device_id, device_owner):
""" Retrieve ports associated with a specific device id.
Used for retrieving all quantum ports attached to a given router.
"""
port_qry = context.session.query(models_v2.Port)
return port_qry.filter_by(
device_id=device_id,
device_owner=device_owner,).all()
def _find_router_subnets_cidrs(self, context, router_id):
""" Retrieve subnets attached to the specified router """
ports = self._get_port_by_device_id(context, router_id,
l3_db.DEVICE_OWNER_ROUTER_INTF)
# No need to check for overlapping CIDRs
cidrs = []
for port in ports:
for ip in port.get('fixed_ips', []):
cidrs.append(self._get_subnet(context,
ip.subnet_id).cidr)
return cidrs
def _nvp_find_lswitch_for_port(self, context, port_data):
network = self._get_network(context, port_data['network_id'])
network_binding = nicira_db.get_network_binding(
context.session, port_data['network_id'])
max_ports = self.nvp_opts.max_lp_per_overlay_ls
allow_extra_lswitches = False
if (network_binding and
network_binding.binding_type in (NetworkTypes.FLAT,
NetworkTypes.VLAN)):
max_ports = self.nvp_opts.max_lp_per_bridged_ls
allow_extra_lswitches = True
try:
cluster = self._find_target_cluster(port_data)
return self._handle_lswitch_selection(
cluster, network, network_binding, max_ports,
allow_extra_lswitches)
except NvpApiClient.NvpApiException:
err_desc = _(("An exception occured while selecting logical "
"switch for the port"))
LOG.exception(err_desc)
raise nvp_exc.NvpPluginException(err_desc=err_desc)
def _nvp_create_port_helper(self, cluster, ls_uuid, port_data,
do_port_security=True):
return nvplib.create_lport(cluster, ls_uuid, port_data['tenant_id'],
port_data['id'], port_data['name'],
port_data['device_id'],
port_data['admin_state_up'],
port_data['mac_address'],
port_data['fixed_ips'],
port_data[psec.PORTSECURITY],
port_data[ext_sg.SECURITYGROUPS],
port_data[ext_qos.QUEUE])
def _nvp_create_port(self, context, port_data):
""" Driver for creating a logical switch port on NVP platform """
# FIXME(salvatore-orlando): On the NVP platform we do not really have
# external networks. So if as user tries and create a "regular" VIF
# port on an external network we are unable to actually create.
# However, in order to not break unit tests, we need to still create
# the DB object and return success
if self._network_is_external(context, port_data['network_id']):
LOG.error(_("NVP plugin does not support regular VIF ports on "
"external networks. Port %s will be down."),
port_data['network_id'])
# No need to actually update the DB state - the default is down
return port_data
try:
cluster = self._find_target_cluster(port_data)
selected_lswitch = self._nvp_find_lswitch_for_port(context,
port_data)
lport = self._nvp_create_port_helper(cluster,
selected_lswitch['uuid'],
port_data,
True)
nicira_db.add_quantum_nvp_port_mapping(
context.session, port_data['id'], lport['uuid'])
if (not port_data['device_owner'] in
(l3_db.DEVICE_OWNER_ROUTER_GW,
l3_db.DEVICE_OWNER_ROUTER_INTF)):
nvplib.plug_interface(cluster, selected_lswitch['uuid'],
lport['uuid'], "VifAttachment",
port_data['id'])
LOG.debug(_("_nvp_create_port completed for port %(name)s "
"on network %(network_id)s. The new port id is "
"%(id)s."), port_data)
except NvpApiClient.NvpApiException:
msg = (_("An exception occured while plugging the interface "
"into network:%s") % port_data['network_id'])
LOG.exception(msg)
raise q_exc.QuantumException(message=msg)
def _nvp_delete_port(self, context, port_data):
# FIXME(salvatore-orlando): On the NVP platform we do not really have
# external networks. So deleting regular ports from external networks
# does not make sense. However we cannot raise as this would break
# unit tests.
if self._network_is_external(context, port_data['network_id']):
LOG.error(_("NVP plugin does not support regular VIF ports on "
"external networks. Port %s will be down."),
port_data['network_id'])
return
port = nicira_db.get_nvp_port_id(context.session, port_data['id'])
if port is None:
raise q_exc.PortNotFound(port_id=port_data['id'])
# TODO(bgh): if this is a bridged network and the lswitch we just got
# back will have zero ports after the delete we should garbage collect
# the lswitch.
try:
nvplib.delete_port(self.default_cluster,
port_data['network_id'],
port)
LOG.debug(_("_nvp_delete_port completed for port %(port_id)s "
"on network %(net_id)s"),
{'port_id': port_data['id'],
'net_id': port_data['network_id']})
except q_exc.NotFound:
LOG.warning(_("port %s not found in NVP"), port_data['id'])
def _nvp_delete_router_port(self, context, port_data):
# Delete logical router port
lrouter_id = port_data['device_id']
nvp_port_id = nicira_db.get_nvp_port_id(context.session,
port_data['id'])
if not nvp_port_id:
raise q_exc.PortNotFound(port_id=port_data['id'])
try:
nvplib.delete_peer_router_lport(self.default_cluster,
lrouter_id,
port_data['network_id'],
nvp_port_id)
except (NvpApiClient.NvpApiException, NvpApiClient.ResourceNotFound):
# Do not raise because the issue might as well be that the
# router has already been deleted, so there would be nothing
# to do here
LOG.exception(_("Ignoring exception as this means the peer "
"for port '%s' has already been deleted."),
nvp_port_id)
# Delete logical switch port
self._nvp_delete_port(context, port_data)
def _nvp_create_router_port(self, context, port_data):
""" Driver for creating a switch port to be connected to a router """
# No router ports on external networks!
if self._network_is_external(context, port_data['network_id']):
raise nvp_exc.NvpPluginException(
err_msg=(_("It is not allowed to create router interface "
"ports on external networks as '%s'") %
port_data['network_id']))
try:
selected_lswitch = self._nvp_find_lswitch_for_port(context,
port_data)
cluster = self._find_target_cluster(port_data)
# Do not apply port security here!
lport = self._nvp_create_port_helper(cluster,
selected_lswitch['uuid'],
port_data,
False)
nicira_db.add_quantum_nvp_port_mapping(
context.session, port_data['id'], lport['uuid'])
LOG.debug(_("_nvp_create_port completed for port %(name)s on "
"network %(network_id)s. The new port id is %(id)s."),
port_data)
except Exception:
# failed to create port in NVP delete port from quantum_db
LOG.exception(_("An exception occured while plugging "
"the interface"))
super(NvpPluginV2, self).delete_port(context, port_data["id"])
raise
def _find_router_gw_port(self, context, port_data):
router_id = port_data['device_id']
cluster = self._find_target_cluster(port_data)
if not router_id:
raise q_exc.BadRequest(_("device_id field must be populated in "
"order to create an external gateway "
"port for network %s"),
port_data['network_id'])
lr_port = nvplib.find_router_gw_port(context, cluster, router_id)
if not lr_port:
raise nvp_exc.NvpPluginException(
err_msg=(_("The gateway port for the router %s "
"was not found on the NVP backend")
% router_id))
return lr_port
def _nvp_create_ext_gw_port(self, context, port_data):
""" Driver for creating an external gateway port on NVP platform """
# TODO(salvatore-orlando): Handle NVP resource
# rollback when something goes not quite as expected
lr_port = self._find_router_gw_port(context, port_data)
ip_addresses = self._build_ip_address_list(context,
port_data['fixed_ips'])
# This operation actually always updates a NVP logical port
# instead of creating one. This is because the gateway port
# is created at the same time as the NVP logical router, otherwise
# the fabric status of the NVP router will be down.
# admin_status should always be up for the gateway port
# regardless of what the user specifies in quantum
cluster = self._find_target_cluster(port_data)
router_id = port_data['device_id']
nvplib.update_router_lport(cluster,
router_id,
lr_port['uuid'],
port_data['tenant_id'],
port_data['id'],
port_data['name'],
True,
ip_addresses)
ext_network = self.get_network(context, port_data['network_id'])
if ext_network.get(pnet.NETWORK_TYPE) == NetworkTypes.L3_EXT:
# Update attachment
self._update_router_port_attachment(
cluster, context, router_id, port_data,
"L3GatewayAttachment",
ext_network[pnet.PHYSICAL_NETWORK],
ext_network[pnet.SEGMENTATION_ID],
lr_port['uuid'])
# Set the SNAT rule for each subnet (only first IP)
for cidr in self._find_router_subnets_cidrs(context, router_id):
nvplib.create_lrouter_snat_rule(
cluster, router_id,
ip_addresses[0].split('/')[0],
ip_addresses[0].split('/')[0],
order=NVP_EXTGW_NAT_RULES_ORDER,
match_criteria={'source_ip_addresses': cidr})
LOG.debug(_("_nvp_create_ext_gw_port completed on external network "
"%(ext_net_id)s, attached to router:%(router_id)s. "
"NVP port id is %(nvp_port_id)s"),
{'ext_net_id': port_data['network_id'],
'router_id': router_id,
'nvp_port_id': lr_port['uuid']})
def _nvp_delete_ext_gw_port(self, context, port_data):
lr_port = self._find_router_gw_port(context, port_data)
# TODO(salvatore-orlando): Handle NVP resource
# rollback when something goes not quite as expected
try:
# Delete is actually never a real delete, otherwise the NVP
# logical router will stop working
cluster = self._find_target_cluster(port_data)
router_id = port_data['device_id']
nvplib.update_router_lport(cluster,
router_id,
lr_port['uuid'],
port_data['tenant_id'],
port_data['id'],
port_data['name'],
True,
['0.0.0.0/31'])
# Delete the SNAT rule for each subnet
for cidr in self._find_router_subnets_cidrs(context, router_id):
nvplib.delete_nat_rules_by_match(
cluster, router_id, "SourceNatRule",
max_num_expected=1, min_num_expected=1,
source_ip_addresses=cidr)
# Reset attachment
self._update_router_port_attachment(
cluster, context, router_id, port_data,
"L3GatewayAttachment",
self.default_cluster.default_l3_gw_service_uuid,
nvp_router_port_id=lr_port['uuid'])
except NvpApiClient.ResourceNotFound:
raise nvp_exc.NvpPluginException(
err_msg=_("Logical router resource %s not found "
"on NVP platform") % router_id)
except NvpApiClient.NvpApiException:
raise nvp_exc.NvpPluginException(
err_msg=_("Unable to update logical router"
"on NVP Platform"))
LOG.debug(_("_nvp_delete_ext_gw_port completed on external network "
"%(ext_net_id)s, attached to router:%(router_id)s"),
{'ext_net_id': port_data['network_id'],
'router_id': router_id})
def _nvp_create_l2_gw_port(self, context, port_data):
""" Create a switch port, and attach it to a L2 gateway attachment """
# FIXME(salvatore-orlando): On the NVP platform we do not really have
# external networks. So if as user tries and create a "regular" VIF
# port on an external network we are unable to actually create.
# However, in order to not break unit tests, we need to still create
# the DB object and return success
if self._network_is_external(context, port_data['network_id']):
LOG.error(_("NVP plugin does not support regular VIF ports on "
"external networks. Port %s will be down."),
port_data['network_id'])
# No need to actually update the DB state - the default is down
return port_data
try:
cluster = self._find_target_cluster(port_data)
selected_lswitch = self._nvp_find_lswitch_for_port(context,
port_data)
lport = self._nvp_create_port_helper(cluster,
selected_lswitch['uuid'],
port_data,
True)
nicira_db.add_quantum_nvp_port_mapping(
context.session, port_data['id'], lport['uuid'])
nvplib.plug_l2_gw_service(
cluster,
port_data['network_id'],
lport['uuid'],
port_data['device_id'],
int(port_data.get('gw:segmentation_id') or 0))
LOG.debug(_("_nvp_create_port completed for port %(name)s "
"on network %(network_id)s. The new port id "
"is %(id)s."), port_data)
except NvpApiClient.NvpApiException:
# failed to create port in NVP delete port from quantum_db
msg = (_("An exception occured while plugging the gateway "
"interface into network:%s") % port_data['network_id'])
LOG.exception(msg)
super(NvpPluginV2, self).delete_port(context, port_data["id"])
raise q_exc.QuantumException(message=msg)
def _nvp_create_fip_port(self, context, port_data):
# As we do not create ports for floating IPs in NVP,
# this is a no-op driver
pass
def _nvp_delete_fip_port(self, context, port_data):
# As we do not create ports for floating IPs in NVP,
# this is a no-op driver
pass
def _extend_fault_map(self):
""" Extends the Quantum Fault Map
Exceptions specific to the NVP Plugin are mapped to standard
HTTP Exceptions
"""
base.FAULT_MAP.update({nvp_exc.NvpInvalidNovaZone:
webob.exc.HTTPBadRequest,
nvp_exc.NvpNoMorePortsException:
webob.exc.HTTPBadRequest})
def _novazone_to_cluster(self, novazone_id):
if novazone_id in self.novazone_cluster_map:
return self.novazone_cluster_map[novazone_id]
LOG.debug(_("Looking for nova zone: %s"), novazone_id)
for x in self.clusters:
LOG.debug(_("Looking for nova zone %(novazone_id)s in "
"cluster: %(x)s"), locals())
if x.zone == str(novazone_id):
self.novazone_cluster_map[x.zone] = x
return x
LOG.error(_("Unable to find cluster config entry for nova zone: %s"),
novazone_id)
raise nvp_exc.NvpInvalidNovaZone(nova_zone=novazone_id)
def _find_target_cluster(self, resource):
""" Return cluster where configuration should be applied
If the resource being configured has a paremeter expressing
the zone id (nova_id), then select corresponding cluster,
otherwise return default cluster.
"""
if 'nova_id' in resource:
return self._novazone_to_cluster(resource['nova_id'])
else:
return self.default_cluster
def _check_view_auth(self, context, resource, action):
return policy.check(context, action, resource)
def _enforce_set_auth(self, context, resource, action):
return policy.enforce(context, action, resource)
def _handle_provider_create(self, context, attrs):
# NOTE(salvatore-orlando): This method has been borrowed from
# the OpenvSwtich plugin, altough changed to match NVP specifics.
network_type = attrs.get(pnet.NETWORK_TYPE)
physical_network = attrs.get(pnet.PHYSICAL_NETWORK)
segmentation_id = attrs.get(pnet.SEGMENTATION_ID)
network_type_set = attr.is_attr_set(network_type)
physical_network_set = attr.is_attr_set(physical_network)
segmentation_id_set = attr.is_attr_set(segmentation_id)
if not (network_type_set or physical_network_set or
segmentation_id_set):
return
# Authorize before exposing plugin details to client
self._enforce_set_auth(context, attrs, self.provider_network_set)
err_msg = None
if not network_type_set:
err_msg = _("%s required") % pnet.NETWORK_TYPE
elif network_type in (NetworkTypes.GRE, NetworkTypes.STT,
NetworkTypes.FLAT):
if segmentation_id_set:
err_msg = _("Segmentation ID cannot be specified with "
"flat network type")
elif network_type == NetworkTypes.VLAN:
if not segmentation_id_set:
err_msg = _("Segmentation ID must be specified with "
"vlan network type")
elif (segmentation_id_set and
(segmentation_id < 1 or segmentation_id > 4094)):
err_msg = _("%s out of range (1 to 4094)") % segmentation_id
else:
# Verify segment is not already allocated
binding = nicira_db.get_network_binding_by_vlanid(
context.session, segmentation_id)
if binding:
raise q_exc.VlanIdInUse(vlan_id=segmentation_id,
physical_network=physical_network)
elif network_type == NetworkTypes.L3_EXT:
if (segmentation_id_set and
(segmentation_id < 1 or segmentation_id > 4094)):
err_msg = _("%s out of range (1 to 4094)") % segmentation_id
else:
err_msg = _("%(net_type_param)s %(net_type_value)s not "
"supported") % {'net_type_param': pnet.NETWORK_TYPE,
'net_type_value': network_type}
if err_msg:
raise q_exc.InvalidInput(error_message=err_msg)
# TODO(salvatore-orlando): Validate tranport zone uuid
# which should be specified in physical_network
def _extend_network_dict_provider(self, context, network, binding=None):
if self._check_view_auth(context, network, self.provider_network_view):
if not binding:
binding = nicira_db.get_network_binding(context.session,
network['id'])
# With NVP plugin 'normal' overlay networks will have no binding
# TODO(salvatore-orlando) make sure users can specify a distinct
# phy_uuid as 'provider network' for STT net type
if binding:
network[pnet.NETWORK_TYPE] = binding.binding_type
network[pnet.PHYSICAL_NETWORK] = binding.phy_uuid
network[pnet.SEGMENTATION_ID] = binding.vlan_id
def _handle_lswitch_selection(self, cluster, network,
network_binding, max_ports,
allow_extra_lswitches):
lswitches = nvplib.get_lswitches(cluster, network.id)
try:
# TODO find main_ls too!
return [ls for ls in lswitches
if (ls['_relations']['LogicalSwitchStatus']
['lport_count'] < max_ports)].pop(0)
except IndexError:
# Too bad, no switch available
LOG.debug(_("No switch has available ports (%d checked)"),
len(lswitches))
if allow_extra_lswitches:
main_ls = [ls for ls in lswitches if ls['uuid'] == network.id]
tag_dict = dict((x['scope'], x['tag']) for x in main_ls[0]['tags'])
if 'multi_lswitch' not in tag_dict:
tags = main_ls[0]['tags']
tags.append({'tag': 'True', 'scope': 'multi_lswitch'})
nvplib.update_lswitch(cluster,
main_ls[0]['uuid'],
main_ls[0]['display_name'],
network['tenant_id'],
tags=tags)
selected_lswitch = nvplib.create_lswitch(
cluster, network.tenant_id,
"%s-ext-%s" % (network.name, len(lswitches)),
network_binding.binding_type,
network_binding.phy_uuid,
network_binding.vlan_id,
network.id)
return selected_lswitch
else:
LOG.error(_("Maximum number of logical ports reached for "
"logical network %s"), network.id)
raise nvp_exc.NvpNoMorePortsException(network=network.id)
def setup_rpc(self):
# RPC support for dhcp
self.topic = topics.PLUGIN
self.conn = rpc.create_connection(new=True)
self.dispatcher = NVPRpcCallbacks().create_rpc_dispatcher()
self.conn.create_consumer(self.topic, self.dispatcher,
fanout=False)
self.dhcp_agent_notifier = dhcp_rpc_agent_api.DhcpAgentNotifyAPI()
# Consume from all consumers in a thread
self.conn.consume_in_thread()
def get_all_networks(self, tenant_id, **kwargs):
networks = []
for c in self.clusters:
networks.extend(nvplib.get_all_networks(c, tenant_id, networks))
LOG.debug(_("get_all_networks() completed for tenant "
"%(tenant_id)s: %(networks)s"), locals())
return networks
def create_network(self, context, network):
net_data = network['network']
tenant_id = self._get_tenant_id_for_create(context, net_data)
self._ensure_default_security_group(context, tenant_id)
# Process the provider network extension
self._handle_provider_create(context, net_data)
# Replace ATTR_NOT_SPECIFIED with None before sending to NVP
for key, value in network['network'].iteritems():
if value is attr.ATTR_NOT_SPECIFIED:
net_data[key] = None
# FIXME(arosen) implement admin_state_up = False in NVP
if net_data['admin_state_up'] is False:
LOG.warning(_("Network with admin_state_up=False are not yet "
"supported by this plugin. Ignoring setting for "
"network %s"), net_data.get('name', '<unknown>'))
target_cluster = self._find_target_cluster(net_data)
external = net_data.get(l3.EXTERNAL)
if (not attr.is_attr_set(external) or
attr.is_attr_set(external) and not external):
nvp_binding_type = net_data.get(pnet.NETWORK_TYPE)
if nvp_binding_type in ('flat', 'vlan'):
nvp_binding_type = 'bridge'
lswitch = nvplib.create_lswitch(
target_cluster, tenant_id, net_data.get('name'),
nvp_binding_type,
net_data.get(pnet.PHYSICAL_NETWORK),
net_data.get(pnet.SEGMENTATION_ID),
shared=net_data.get(attr.SHARED))
net_data['id'] = lswitch['uuid']
with context.session.begin(subtransactions=True):
new_net = super(NvpPluginV2, self).create_network(context,
network)
# Ensure there's an id in net_data
net_data['id'] = new_net['id']
# Process port security extension
self._process_network_create_port_security(context, net_data)
# DB Operations for setting the network as external
self._process_l3_create(context, net_data, new_net['id'])
# Process QoS queue extension
if network['network'].get(ext_qos.QUEUE):
new_net[ext_qos.QUEUE] = network['network'][ext_qos.QUEUE]
# Raises if not found
self.get_qos_queue(context, new_net[ext_qos.QUEUE])
self._process_network_queue_mapping(context, new_net)
self._extend_network_qos_queue(context, new_net)
if net_data.get(pnet.NETWORK_TYPE):
net_binding = nicira_db.add_network_binding(
context.session, new_net['id'],
net_data.get(pnet.NETWORK_TYPE),
net_data.get(pnet.PHYSICAL_NETWORK),
net_data.get(pnet.SEGMENTATION_ID, 0))
self._extend_network_dict_provider(context, new_net,
net_binding)
self._extend_network_port_security_dict(context, new_net)
self._extend_network_dict_l3(context, new_net)
self.schedule_network(context, network['network'], new_net)
return new_net
def delete_network(self, context, id):
external = self._network_is_external(context, id)
# Before deleting ports, ensure the peer of a NVP logical
# port with a patch attachment is removed too
port_filter = {'network_id': [id],
'device_owner': ['network:router_interface']}
router_iface_ports = self.get_ports(context, filters=port_filter)
for port in router_iface_ports:
nvp_port_id = nicira_db.get_nvp_port_id(context.session,
port['id'])
if nvp_port_id:
port['nvp_port_id'] = nvp_port_id
else:
LOG.warning(_("A nvp lport identifier was not found for "
"quantum port '%s'"), port['id'])
super(NvpPluginV2, self).delete_network(context, id)
# clean up network owned ports
for port in router_iface_ports:
try:
if 'nvp_port_id' in port:
nvplib.delete_peer_router_lport(self.default_cluster,
port['device_id'],
port['network_id'],
port['nvp_port_id'])
except (TypeError, KeyError,
NvpApiClient.NvpApiException,
NvpApiClient.ResourceNotFound):
# Do not raise because the issue might as well be that the
# router has already been deleted, so there would be nothing
# to do here
LOG.warning(_("Ignoring exception as this means the peer for "
"port '%s' has already been deleted."),
nvp_port_id)
# Do not go to NVP for external networks
if not external:
try:
# FIXME(salvatore-orlando): Failures here might lead NVP
# and quantum state to diverge
pairs = self._get_lswitch_cluster_pairs(id, context.tenant_id)
for (cluster, switches) in pairs:
nvplib.delete_networks(cluster, id, switches)
LOG.debug(_("delete_network completed for tenant: %s"),
context.tenant_id)
except q_exc.NotFound:
LOG.warning(_("Did not found lswitch %s in NVP"), id)
def _get_lswitch_cluster_pairs(self, netw_id, tenant_id):
"""Figure out the set of lswitches on each cluster that maps to this
network id"""
pairs = []
for c in self.clusters.itervalues():
lswitches = []
try:
results = nvplib.get_lswitches(c, netw_id)
lswitches.extend([ls['uuid'] for ls in results])
except q_exc.NetworkNotFound:
continue
pairs.append((c, lswitches))
if len(pairs) == 0:
raise q_exc.NetworkNotFound(net_id=netw_id)
LOG.debug(_("Returning pairs for network: %s"), pairs)
return pairs
def get_network(self, context, id, fields=None):
with context.session.begin(subtransactions=True):
# goto to the plugin DB and fetch the network
network = self._get_network(context, id)
# if the network is external, do not go to NVP
if not self._network_is_external(context, id):
# verify the fabric status of the corresponding
# logical switch(es) in nvp
try:
# FIXME(salvatore-orlando): This is not going to work
# unless we store the nova_id in the database once we'll
# enable multiple clusters
cluster = self._find_target_cluster(network)
lswitches = nvplib.get_lswitches(cluster, id)
nvp_net_status = constants.NET_STATUS_ACTIVE
quantum_status = network.status
for lswitch in lswitches:
relations = lswitch.get('_relations')
if relations:
lswitch_status = relations.get(
'LogicalSwitchStatus')
# FIXME(salvatore-orlando): Being unable to fetch
# logical switch status should be an exception.
if (lswitch_status and
not lswitch_status.get('fabric_status',
None)):
nvp_net_status = constants.NET_STATUS_DOWN
break
LOG.debug(_("Current network status:%(nvp_net_status)s; "
"Status in Quantum DB:%(quantum_status)s"),
locals())
if nvp_net_status != network.status:
# update the network status
network.status = nvp_net_status
except q_exc.NotFound:
network.status = constants.NET_STATUS_ERROR
except Exception:
err_msg = _("Unable to get logical switches")
LOG.exception(err_msg)
raise nvp_exc.NvpPluginException(err_msg=err_msg)
# Don't do field selection here otherwise we won't be able
# to add provider networks fields
net_result = self._make_network_dict(network, None)
self._extend_network_dict_provider(context, net_result)
self._extend_network_port_security_dict(context, net_result)
self._extend_network_dict_l3(context, net_result)
self._extend_network_qos_queue(context, net_result)
return self._fields(net_result, fields)
def get_networks(self, context, filters=None, fields=None):
nvp_lswitches = {}
filters = filters or {}
with context.session.begin(subtransactions=True):
quantum_lswitches = (
super(NvpPluginV2, self).get_networks(context, filters))
for net in quantum_lswitches:
self._extend_network_dict_provider(context, net)
self._extend_network_port_security_dict(context, net)
self._extend_network_dict_l3(context, net)
self._extend_network_qos_queue(context, net)
quantum_lswitches = self._filter_nets_l3(context,
quantum_lswitches,
filters)
tenant_ids = filters and filters.get('tenant_id') or None
filter_fmt = "&tag=%s&tag_scope=os_tid"
if context.is_admin and not tenant_ids:
tenant_filter = ""
else:
tenant_ids = tenant_ids or [context.tenant_id]
tenant_filter = ''.join(filter_fmt % tid for tid in tenant_ids)
lswitch_filters = "uuid,display_name,fabric_status,tags"
lswitch_url_path_1 = (
"/ws.v1/lswitch?fields=%s&relations=LogicalSwitchStatus%s"
% (lswitch_filters, tenant_filter))
lswitch_url_path_2 = nvplib._build_uri_path(
nvplib.LSWITCH_RESOURCE,
fields=lswitch_filters,
relations='LogicalSwitchStatus',
filters={'tag': 'true', 'tag_scope': 'shared'})
try:
for c in self.clusters.itervalues():
res = nvplib.get_all_query_pages(
lswitch_url_path_1, c)
nvp_lswitches.update(dict(
(ls['uuid'], ls) for ls in res))
# Issue a second query for fetching shared networks.
# We cannot unfortunately use just a single query because tags
# cannot be or-ed
res_shared = nvplib.get_all_query_pages(
lswitch_url_path_2, c)
nvp_lswitches.update(dict(
(ls['uuid'], ls) for ls in res_shared))
except Exception:
err_msg = _("Unable to get logical switches")
LOG.exception(err_msg)
raise nvp_exc.NvpPluginException(err_msg=err_msg)
if filters.get('id'):
nvp_lswitches = dict(
(uuid, ls) for (uuid, ls) in nvp_lswitches.iteritems()
if uuid in set(filters['id']))
for quantum_lswitch in quantum_lswitches:
# Skip external networks as they do not exist in NVP
if quantum_lswitch[l3.EXTERNAL]:
continue
elif quantum_lswitch['id'] not in nvp_lswitches:
LOG.warning(_("Logical Switch %s found in quantum database "
"but not in NVP."), quantum_lswitch["id"])
quantum_lswitch["status"] = constants.NET_STATUS_ERROR
else:
# TODO(salvatore-orlando): be careful about "extended"
# logical switches
ls = nvp_lswitches.pop(quantum_lswitch['id'])
if (ls["_relations"]["LogicalSwitchStatus"]["fabric_status"]):
quantum_lswitch["status"] = constants.NET_STATUS_ACTIVE
else:
quantum_lswitch["status"] = constants.NET_STATUS_DOWN
# do not make the case in which switches are found in NVP
# but not in Quantum catastrophic.
if len(nvp_lswitches):
LOG.warning(_("Found %s logical switches not bound "
"to Quantum networks. Quantum and NVP are "
"potentially out of sync"), len(nvp_lswitches))
LOG.debug(_("get_networks() completed for tenant %s"),
context.tenant_id)
if fields:
ret_fields = []
for quantum_lswitch in quantum_lswitches:
row = {}
for field in fields:
row[field] = quantum_lswitch[field]
ret_fields.append(row)
return ret_fields
return quantum_lswitches
def update_network(self, context, id, network):
if network["network"].get("admin_state_up"):
if network['network']["admin_state_up"] is False:
raise q_exc.NotImplementedError(_("admin_state_up=False "
"networks are not "
"supported."))
with context.session.begin(subtransactions=True):
net = super(NvpPluginV2, self).update_network(context, id, network)
if psec.PORTSECURITY in network['network']:
self._update_network_security_binding(
context, id, network['network'][psec.PORTSECURITY])
if network['network'].get(ext_qos.QUEUE):
net[ext_qos.QUEUE] = network['network'][ext_qos.QUEUE]
self._delete_network_queue_mapping(context, id)
self._process_network_queue_mapping(context, net)
self._extend_network_port_security_dict(context, net)
self._process_l3_update(context, network['network'], id)
self._extend_network_dict_provider(context, net)
self._extend_network_dict_l3(context, net)
self._extend_network_qos_queue(context, net)
return net
def get_ports(self, context, filters=None, fields=None):
with context.session.begin(subtransactions=True):
quantum_lports = super(NvpPluginV2, self).get_ports(
context, filters)
for quantum_lport in quantum_lports:
self._extend_port_port_security_dict(context, quantum_lport)
self._extend_port_dict_security_group(context, quantum_lport)
if (filters.get('network_id') and len(filters.get('network_id')) and
self._network_is_external(context, filters['network_id'][0])):
# Do not perform check on NVP platform
return quantum_lports
vm_filter = ""
tenant_filter = ""
# This is used when calling delete_network. Quantum checks to see if
# the network has any ports.
if filters.get("network_id"):
# FIXME (Aaron) If we get more than one network_id this won't work
lswitch = filters["network_id"][0]
else:
lswitch = "*"
if filters.get("device_id"):
for vm_id in filters.get("device_id"):
vm_filter = ("%stag_scope=vm_id&tag=%s&" % (vm_filter,
hashlib.sha1(vm_id).hexdigest()))
else:
vm_id = ""
if filters.get("tenant_id"):
for tenant in filters.get("tenant_id"):
tenant_filter = ("%stag_scope=os_tid&tag=%s&" %
(tenant_filter, tenant))
nvp_lports = {}
lport_fields_str = ("tags,admin_status_enabled,display_name,"
"fabric_status_up")
try:
for c in self.clusters.itervalues():
lport_query_path = (
"/ws.v1/lswitch/%s/lport?fields=%s&%s%stag_scope=q_port_id"
"&relations=LogicalPortStatus" %
(lswitch, lport_fields_str, vm_filter, tenant_filter))
try:
ports = nvplib.get_all_query_pages(lport_query_path, c)
except q_exc.NotFound:
LOG.warn(_("Lswitch %s not found in NVP"), lswitch)
ports = None
if ports:
for port in ports:
for tag in port["tags"]:
if tag["scope"] == "q_port_id":
nvp_lports[tag["tag"]] = port
except Exception:
err_msg = _("Unable to get ports")
LOG.exception(err_msg)
raise nvp_exc.NvpPluginException(err_msg=err_msg)
lports = []
for quantum_lport in quantum_lports:
# if a quantum port is not found in NVP, this migth be because
# such port is not mapped to a logical switch - ie: floating ip
if quantum_lport['device_owner'] in (l3_db.DEVICE_OWNER_FLOATINGIP,
l3_db.DEVICE_OWNER_ROUTER_GW):
lports.append(quantum_lport)
continue
try:
quantum_lport["admin_state_up"] = (
nvp_lports[quantum_lport["id"]]["admin_status_enabled"])
if (nvp_lports[quantum_lport["id"]]
["_relations"]
["LogicalPortStatus"]
["fabric_status_up"]):
quantum_lport["status"] = constants.PORT_STATUS_ACTIVE
else:
quantum_lport["status"] = constants.PORT_STATUS_DOWN
del nvp_lports[quantum_lport["id"]]
except KeyError:
quantum_lport["status"] = constants.PORT_STATUS_ERROR
LOG.debug(_("Quantum logical port %s was not found on NVP"),
quantum_lport['id'])
lports.append(quantum_lport)
# do not make the case in which ports are found in NVP
# but not in Quantum catastrophic.
if len(nvp_lports):
LOG.warning(_("Found %s logical ports not bound "
"to Quantum ports. Quantum and NVP are "
"potentially out of sync"), len(nvp_lports))
if fields:
ret_fields = []
for lport in lports:
row = {}
for field in fields:
row[field] = lport[field]
ret_fields.append(row)
return ret_fields
return lports
def create_port(self, context, port):
# If PORTSECURITY is not the default value ATTR_NOT_SPECIFIED
# then we pass the port to the policy engine. The reason why we don't
# pass the value to the policy engine when the port is
# ATTR_NOT_SPECIFIED is for the case where a port is created on a
# shared network that is not owned by the tenant.
# TODO(arosen) fix policy engine to do this for us automatically.
if attr.is_attr_set(port['port'].get(psec.PORTSECURITY)):
self._enforce_set_auth(context, port,
self.port_security_enabled_create)
port_data = port['port']
with context.session.begin(subtransactions=True):
# First we allocate port in quantum database
quantum_db = super(NvpPluginV2, self).create_port(context, port)
# Update fields obtained from quantum db (eg: MAC address)
port["port"].update(quantum_db)
# port security extension checks
(port_security, has_ip) = self._determine_port_security_and_has_ip(
context, port_data)
port_data[psec.PORTSECURITY] = port_security
self._process_port_security_create(context, port_data)
# security group extension checks
if port_security and has_ip:
self._ensure_default_security_group_on_port(context, port)
elif attr.is_attr_set(port_data.get(ext_sg.SECURITYGROUPS)):
raise psec.PortSecurityAndIPRequiredForSecurityGroups()
port_data[ext_sg.SECURITYGROUPS] = (
self._get_security_groups_on_port(context, port))
self._process_port_create_security_group(
context, quantum_db['id'], port_data[ext_sg.SECURITYGROUPS])
# QoS extension checks
port_data[ext_qos.QUEUE] = self._check_for_queue_and_create(
context, port_data)
self._process_port_queue_mapping(context, port_data)
# provider networking extension checks
# Fetch the network and network binding from Quantum db
try:
port_data = port['port'].copy()
port_create_func = self._port_drivers['create'].get(
port_data['device_owner'],
self._port_drivers['create']['default'])
port_create_func(context, port_data)
except Exception as e:
# FIXME (arosen) or the plugin_interface call failed in which
# case we need to garbage collect the left over port in nvp.
err_msg = _("Unable to create port or set port attachment "
"in NVP.")
LOG.exception(err_msg)
raise e
LOG.debug(_("create_port completed on NVP for tenant "
"%(tenant_id)s: (%(id)s)"), port_data)
# remove since it will be added in extend based on policy
del port_data[ext_qos.QUEUE]
self._extend_port_port_security_dict(context, port_data)
self._extend_port_dict_security_group(context, port_data)
self._extend_port_qos_queue(context, port_data)
net = self.get_network(context, port_data['network_id'])
self.schedule_network(context, None, net)
return port_data
def update_port(self, context, id, port):
if attr.is_attr_set(port['port'].get(psec.PORTSECURITY)):
self._enforce_set_auth(context, port,
self.port_security_enabled_update)
tenant_id = self._get_tenant_id_for_create(context, port['port'])
delete_security_groups = self._check_update_deletes_security_groups(
port)
has_security_groups = self._check_update_has_security_groups(port)
with context.session.begin(subtransactions=True):
ret_port = super(NvpPluginV2, self).update_port(
context, id, port)
# copy values over
ret_port.update(port['port'])
# populate port_security setting
if psec.PORTSECURITY not in port['port']:
ret_port[psec.PORTSECURITY] = self._get_port_security_binding(
context, id)
has_ip = self._ip_on_port(ret_port)
# checks if security groups were updated adding/modifying
# security groups, port security is set and port has ip
if not (has_ip and ret_port[psec.PORTSECURITY]):
if has_security_groups:
raise psec.PortSecurityAndIPRequiredForSecurityGroups()
# Update did not have security groups passed in. Check
# that port does not have any security groups already on it.
filters = {'port_id': [id]}
security_groups = (
super(NvpPluginV2, self)._get_port_security_group_bindings(
context, filters)
)
if security_groups and not delete_security_groups:
raise psec.PortSecurityPortHasSecurityGroup()
if (delete_security_groups or has_security_groups):
# delete the port binding and read it with the new rules.
self._delete_port_security_group_bindings(context, id)
sgids = self._get_security_groups_on_port(context, port)
self._process_port_create_security_group(context, id, sgids)
if psec.PORTSECURITY in port['port']:
self._update_port_security_binding(
context, id, ret_port[psec.PORTSECURITY])
ret_port[ext_qos.QUEUE] = self._check_for_queue_and_create(
context, ret_port)
self._delete_port_queue_mapping(context, ret_port['id'])
self._process_port_queue_mapping(context, ret_port)
self._extend_port_port_security_dict(context, ret_port)
self._extend_port_dict_security_group(context, ret_port)
LOG.debug(_("Update port request: %s"), port)
nvp_port_id = nicira_db.get_nvp_port_id(context.session, id)
nvplib.update_port(self.default_cluster,
ret_port['network_id'],
nvp_port_id, id, tenant_id,
ret_port['name'], ret_port['device_id'],
ret_port['admin_state_up'],
ret_port['mac_address'],
ret_port['fixed_ips'],
ret_port[psec.PORTSECURITY],
ret_port[ext_sg.SECURITYGROUPS],
ret_port[ext_qos.QUEUE])
# remove since it will be added in extend based on policy
del ret_port[ext_qos.QUEUE]
self._extend_port_qos_queue(context, ret_port)
# Update the port status from nvp. If we fail here hide it since
# the port was successfully updated but we were not able to retrieve
# the status.
try:
ret_port['status'] = nvplib.get_port_status(
self.default_cluster, ret_port['network_id'], nvp_port_id)
except:
LOG.warn(_("Unable to retrieve port status for:%s."), nvp_port_id)
return ret_port
def delete_port(self, context, id, l3_port_check=True,
nw_gw_port_check=True):
"""
Deletes a port on a specified Virtual Network,
if the port contains a remote interface attachment,
the remote interface is first un-plugged and then the port
is deleted.
:returns: None
:raises: exception.PortInUse
:raises: exception.PortNotFound
:raises: exception.NetworkNotFound
"""
# if needed, check to see if this is a port owned by
# a l3 router. If so, we should prevent deletion here
if l3_port_check:
self.prevent_l3_port_deletion(context, id)
quantum_db_port = self._get_port(context, id)
# Perform the same check for ports owned by layer-2 gateways
if nw_gw_port_check:
self.prevent_network_gateway_port_deletion(context,
quantum_db_port)
port_delete_func = self._port_drivers['delete'].get(
quantum_db_port.device_owner,
self._port_drivers['delete']['default'])
port_delete_func(context, quantum_db_port)
self.disassociate_floatingips(context, id)
with context.session.begin(subtransactions=True):
queue = self._get_port_queue_bindings(context, {'port_id': [id]})
if (cfg.CONF.metadata_dhcp_host_route and
quantum_db_port.device_owner == constants.DEVICE_OWNER_DHCP):
self._ensure_metadata_host_route(
context, quantum_db_port.fixed_ips[0], is_delete=True)
super(NvpPluginV2, self).delete_port(context, id)
# Delete qos queue if possible
if queue:
self.delete_qos_queue(context, queue[0]['queue_id'], False)
def get_port(self, context, id, fields=None):
with context.session.begin(subtransactions=True):
quantum_db_port = super(NvpPluginV2, self).get_port(context,
id, fields)
self._extend_port_port_security_dict(context, quantum_db_port)
self._extend_port_dict_security_group(context, quantum_db_port)
self._extend_port_qos_queue(context, quantum_db_port)
if self._network_is_external(context,
quantum_db_port['network_id']):
return quantum_db_port
nvp_id = nicira_db.get_nvp_port_id(context.session, id)
#TODO: pass the appropriate cluster here
try:
port = nvplib.get_logical_port_status(
self.default_cluster, quantum_db_port['network_id'],
nvp_id)
quantum_db_port["admin_state_up"] = (
port["admin_status_enabled"])
if port["fabric_status_up"]:
quantum_db_port["status"] = constants.PORT_STATUS_ACTIVE
else:
quantum_db_port["status"] = constants.PORT_STATUS_DOWN
except q_exc.NotFound:
quantum_db_port["status"] = constants.PORT_STATUS_ERROR
return quantum_db_port
def create_router(self, context, router):
# NOTE(salvatore-orlando): We completely override this method in
# order to be able to use the NVP ID as Quantum ID
# TODO(salvatore-orlando): Propose upstream patch for allowing
# 3rd parties to specify IDs as we do with l2 plugin
r = router['router']
has_gw_info = False
tenant_id = self._get_tenant_id_for_create(context, r)
# default value to set - nvp wants it (even if we don't have it)
nexthop = '1.1.1.1'
try:
# if external gateway info are set, then configure nexthop to
# default external gateway
if 'external_gateway_info' in r and r.get('external_gateway_info'):
has_gw_info = True
gw_info = r['external_gateway_info']
del r['external_gateway_info']
# The following DB read will be performed again when updating
# gateway info. This is not great, but still better than
# creating NVP router here and updating it later
network_id = (gw_info.get('network_id', None) if gw_info
else None)
if network_id:
ext_net = self._get_network(context, network_id)
if not self._network_is_external(context, network_id):
msg = (_("Network '%s' is not a valid external "
"network") % network_id)
raise q_exc.BadRequest(resource='router', msg=msg)
if len(ext_net.subnets):
ext_subnet = ext_net.subnets[0]
nexthop = ext_subnet.gateway_ip
cluster = self._find_target_cluster(router)
lrouter = nvplib.create_lrouter(cluster, tenant_id,
router['router']['name'],
nexthop)
# Use NVP identfier for Quantum resource
router['router']['id'] = lrouter['uuid']
except NvpApiClient.NvpApiException:
raise nvp_exc.NvpPluginException(
err_msg=_("Unable to create logical router on NVP Platform"))
# Create the port here - and update it later if we have gw_info
self._create_and_attach_router_port(cluster,
context,
lrouter['uuid'],
{'fake_ext_gw': True},
"L3GatewayAttachment",
cluster.default_l3_gw_service_uuid)
with context.session.begin(subtransactions=True):
router_db = l3_db.Router(id=lrouter['uuid'],
tenant_id=tenant_id,
name=r['name'],
admin_state_up=r['admin_state_up'],
status="ACTIVE")
context.session.add(router_db)
if has_gw_info:
self._update_router_gw_info(context, router_db['id'], gw_info)
return self._make_router_dict(router_db)
def update_router(self, context, id, router):
try:
# Either nexthop is updated or should be kept as it was before
r = router['router']
nexthop = None
if 'external_gateway_info' in r and r.get('external_gateway_info'):
gw_info = r['external_gateway_info']
# The following DB read will be performed again when updating
# gateway info. This is not great, but still better than
# creating NVP router here and updating it later
network_id = (gw_info.get('network_id', None) if gw_info
else None)
if network_id:
ext_net = self._get_network(context, network_id)
if not self._network_is_external(context, network_id):
msg = (_("Network '%s' is not a valid external "
"network") % network_id)
raise q_exc.BadRequest(resource='router', msg=msg)
if len(ext_net.subnets):
ext_subnet = ext_net.subnets[0]
nexthop = ext_subnet.gateway_ip
cluster = self._find_target_cluster(router)
nvplib.update_lrouter(cluster, id,
router['router'].get('name'), nexthop)
except NvpApiClient.ResourceNotFound:
raise nvp_exc.NvpPluginException(
err_msg=_("Logical router %s not found on NVP Platform") % id)
except NvpApiClient.NvpApiException:
raise nvp_exc.NvpPluginException(
err_msg=_("Unable to update logical router on NVP Platform"))
return super(NvpPluginV2, self).update_router(context, id, router)
def delete_router(self, context, id):
with context.session.begin(subtransactions=True):
super(NvpPluginV2, self).delete_router(context, id)
# If removal is successful in Quantum it should be so on
# the NVP platform too - otherwise the transaction should
# be automatically aborted
# TODO(salvatore-orlando): Extend the object models in order to
# allow an extra field for storing the cluster information
# together with the resource
try:
nvplib.delete_lrouter(self.default_cluster, id)
except q_exc.NotFound:
LOG.warning(_("Logical router '%s' not found "
"on NVP Platform") % id)
except NvpApiClient.NvpApiException:
raise nvp_exc.NvpPluginException(
err_msg=(_("Unable to delete logical router"
"on NVP Platform")))
def get_router(self, context, id, fields=None):
router = self._get_router(context, id)
try:
# FIXME(salvatore-orlando): We need to
# find the appropriate cluster!
cluster = self.default_cluster
try:
lrouter = nvplib.get_lrouter(cluster, id)
except q_exc.NotFound:
lrouter = {}
router_op_status = constants.NET_STATUS_ERROR
relations = lrouter.get('_relations')
if relations:
lrouter_status = relations.get('LogicalRouterStatus')
# FIXME(salvatore-orlando): Being unable to fetch the
# logical router status should be an exception.
if lrouter_status:
router_op_status = (lrouter_status.get('fabric_status')
and constants.NET_STATUS_ACTIVE or
constants.NET_STATUS_DOWN)
if router_op_status != router.status:
LOG.debug(_("Current router status:%(router_status)s;"
"Status in Quantum DB:%(db_router_status)s"),
{'router_status': router_op_status,
'db_router_status': router.status})
# update the router status
with context.session.begin(subtransactions=True):
router.status = router_op_status
except NvpApiClient.NvpApiException:
err_msg = _("Unable to get logical router")
LOG.exception(err_msg)
raise nvp_exc.NvpPluginException(err_msg=err_msg)
return self._make_router_dict(router, fields)
def get_routers(self, context, filters=None, fields=None):
router_query = self._apply_filters_to_query(
self._model_query(context, l3_db.Router),
l3_db.Router, filters)
routers = router_query.all()
# Query routers on NVP for updating operational status
if context.is_admin and not filters.get("tenant_id"):
tenant_id = None
elif 'tenant_id' in filters:
tenant_id = filters.get('tenant_id')[0]
del filters['tenant_id']
else:
tenant_id = context.tenant_id
try:
nvp_lrouters = nvplib.get_lrouters(self.default_cluster,
tenant_id,
fields)
except NvpApiClient.NvpApiException:
err_msg = _("Unable to get logical routers from NVP controller")
LOG.exception(err_msg)
raise nvp_exc.NvpPluginException(err_msg=err_msg)
nvp_lrouters_dict = {}
for nvp_lrouter in nvp_lrouters:
nvp_lrouters_dict[nvp_lrouter['uuid']] = nvp_lrouter
for router in routers:
nvp_lrouter = nvp_lrouters_dict.get(router['id'])
if nvp_lrouter:
if (nvp_lrouter["_relations"]["LogicalRouterStatus"]
["fabric_status"]):
router.status = constants.NET_STATUS_ACTIVE
else:
router.status = constants.NET_STATUS_DOWN
nvp_lrouters.remove(nvp_lrouter)
else:
router.status = constants.NET_STATUS_ERROR
# do not make the case in which routers are found in NVP
# but not in Quantum catastrophic.
if len(nvp_lrouters):
LOG.warning(_("Found %s logical routers not bound "
"to Quantum routers. Quantum and NVP are "
"potentially out of sync"), len(nvp_lrouters))
return [self._make_router_dict(router, fields)
for router in routers]
def add_router_interface(self, context, router_id, interface_info):
router_iface_info = super(NvpPluginV2, self).add_router_interface(
context, router_id, interface_info)
# If the above operation succeded interface_info contains a reference
# to a logical switch port
port_id = router_iface_info['port_id']
subnet_id = router_iface_info['subnet_id']
# Add port to the logical router as well
# TODO(salvatore-orlando): Identify the appropriate cluster, instead
# of always defaulting to self.default_cluster
cluster = self.default_cluster
# The owner of the router port is always the same as the owner of the
# router. Use tenant_id from the port instead of fetching more records
# from the Quantum database
port = self._get_port(context, port_id)
# Find the NVP port corresponding to quantum port_id
results = nvplib.query_lswitch_lports(
cluster, '*',
filters={'tag': port_id, 'tag_scope': 'q_port_id'})
if len(results):
ls_port = results[0]
else:
raise nvp_exc.NvpPluginException(
err_msg=(_("The port %(port_id)s, connected to the router "
"%(router_id)s was not found on the NVP backend.")
% locals()))
# Create logical router port and patch attachment
self._create_and_attach_router_port(
cluster, context, router_id, port,
"PatchAttachment", ls_port['uuid'],
subnet_ids=[subnet_id])
subnet = self._get_subnet(context, subnet_id)
# If there is an external gateway we need to configure the SNAT rule.
# Fetch router from DB
router = self._get_router(context, router_id)
gw_port = router.gw_port
if gw_port:
# There is a change gw_port might have multiple IPs
# In that case we will consider only the first one
if gw_port.get('fixed_ips'):
snat_ip = gw_port['fixed_ips'][0]['ip_address']
nvplib.create_lrouter_snat_rule(
cluster, router_id, snat_ip, snat_ip,
order=NVP_EXTGW_NAT_RULES_ORDER,
match_criteria={'source_ip_addresses': subnet['cidr']})
nvplib.create_lrouter_nosnat_rule(
cluster, router_id,
order=NVP_NOSNAT_RULES_ORDER,
match_criteria={'destination_ip_addresses': subnet['cidr']})
# Ensure the NVP logical router has a connection to a 'metadata access'
# network (with a proxy listening on its DHCP port), by creating it
# if needed.
self._handle_metadata_access_network(context, router_id)
LOG.debug(_("Add_router_interface completed for subnet:%(subnet_id)s "
"and router:%(router_id)s"),
{'subnet_id': subnet_id, 'router_id': router_id})
return router_iface_info
def remove_router_interface(self, context, router_id, interface_info):
# TODO(salvatore-orlando): Usual thing about cluster selection
cluster = self.default_cluster
# The code below is duplicated from base class, but comes handy
# as we need to retrieve the router port id before removing the port
subnet = None
subnet_id = None
if 'port_id' in interface_info:
port_id = interface_info['port_id']
# find subnet_id - it is need for removing the SNAT rule
port = self._get_port(context, port_id)
if port.get('fixed_ips'):
subnet_id = port['fixed_ips'][0]['subnet_id']
elif 'subnet_id' in interface_info:
subnet_id = interface_info['subnet_id']
subnet = self._get_subnet(context, subnet_id)
rport_qry = context.session.query(models_v2.Port)
ports = rport_qry.filter_by(
device_id=router_id,
device_owner=l3_db.DEVICE_OWNER_ROUTER_INTF,
network_id=subnet['network_id']).all()
for p in ports:
if p['fixed_ips'][0]['subnet_id'] == subnet_id:
port_id = p['id']
break
results = nvplib.query_lswitch_lports(
cluster, '*', relations="LogicalPortAttachment",
filters={'tag': port_id, 'tag_scope': 'q_port_id'})
if len(results):
lport = results[0]
attachment_data = lport['_relations'].get('LogicalPortAttachment')
lrouter_port_id = (attachment_data and
attachment_data.get('peer_port_uuid'))
else:
LOG.warning(_("The port %(port_id)s, connected to the router "
"%(router_id)s was not found on the NVP backend"),
locals())
# Finally remove the data from the Quantum DB
# This will also destroy the port on the logical switch
super(NvpPluginV2, self).remove_router_interface(context,
router_id,
interface_info)
# Destroy router port (no need to unplug the attachment)
# FIXME(salvatore-orlando): In case of failures in the Quantum plugin
# this migth leave a dangling port. We perform the operation here
# to leverage validation performed in the base class
if not lrouter_port_id:
LOG.warning(_("Unable to find NVP logical router port for "
"Quantum port id:%(q_port_id)s (NVP id: "
"%(nvp_port_id)s). Was this port "
"ever paired with a logical router?"),
{'q_port_id': port_id,
'nvp_port_id': lport['uuid']})
return
# Ensure the connection to the 'metadata access network'
# is removed (with the network) if this the last subnet
# on the router
self._handle_metadata_access_network(context, router_id)
try:
if not subnet:
subnet = self._get_subnet(context, subnet_id)
router = self._get_router(context, router_id)
# Remove SNAT rule if external gateway is configured
if router.gw_port:
nvplib.delete_nat_rules_by_match(
cluster, router_id, "SourceNatRule",
max_num_expected=1, min_num_expected=1,
source_ip_addresses=subnet['cidr'])
# Relax the minimum expected number as the nosnat rules
# do not exist in 2.x deployments
nvplib.delete_nat_rules_by_match(
cluster, router_id, "NoSourceNatRule",
max_num_expected=1, min_num_expected=0,
destination_ip_addresses=subnet['cidr'])
nvplib.delete_router_lport(cluster, router_id, lrouter_port_id)
except NvpApiClient.ResourceNotFound:
raise nvp_exc.NvpPluginException(
err_msg=(_("Logical router port resource %s not found "
"on NVP platform"), lrouter_port_id))
except NvpApiClient.NvpApiException:
raise nvp_exc.NvpPluginException(
err_msg=(_("Unable to update logical router"
"on NVP Platform")))
def _retrieve_and_delete_nat_rules(self, floating_ip_address,
internal_ip, router_id,
min_num_rules_expected=0):
#TODO(salvatore-orlando): Multiple cluster support
cluster = self.default_cluster
try:
nvplib.delete_nat_rules_by_match(
cluster, router_id, "DestinationNatRule",
max_num_expected=1,
min_num_expected=min_num_rules_expected,
destination_ip_addresses=floating_ip_address)
# Remove SNAT rule associated with the single fixed_ip
# to floating ip
nvplib.delete_nat_rules_by_match(
cluster, router_id, "SourceNatRule",
max_num_expected=1,
min_num_expected=min_num_rules_expected,
source_ip_addresses=internal_ip)
except NvpApiClient.NvpApiException:
LOG.exception(_("An error occurred while removing NAT rules "
"on the NVP platform for floating ip:%s"),
floating_ip_address)
raise
except nvp_exc.NvpNatRuleMismatch:
# Do not surface to the user
LOG.warning(_("An incorrect number of matching NAT rules "
"was found on the NVP platform"))
def _remove_floatingip_address(self, context, fip_db):
# Remove floating IP address from logical router port
# Fetch logical port of router's external gateway
router_id = fip_db.router_id
nvp_gw_port_id = nvplib.find_router_gw_port(
context, self.default_cluster, router_id)['uuid']
ext_quantum_port_db = self._get_port(context.elevated(),
fip_db.floating_port_id)
nvp_floating_ips = self._build_ip_address_list(
context.elevated(), ext_quantum_port_db['fixed_ips'])
nvplib.update_lrouter_port_ips(self.default_cluster,
router_id,
nvp_gw_port_id,
ips_to_add=[],
ips_to_remove=nvp_floating_ips)
def _update_fip_assoc(self, context, fip, floatingip_db, external_port):
""" Update floating IP association data.
Overrides method from base class.
The method is augmented for creating NAT rules in the process.
"""
if (('fixed_ip_address' in fip and fip['fixed_ip_address']) and
not ('port_id' in fip and fip['port_id'])):
msg = _("fixed_ip_address cannot be specified without a port_id")
raise q_exc.BadRequest(resource='floatingip', msg=msg)
port_id = internal_ip = router_id = None
if 'port_id' in fip and fip['port_id']:
port_qry = context.session.query(l3_db.FloatingIP)
try:
port_qry.filter_by(fixed_port_id=fip['port_id']).one()
raise l3.FloatingIPPortAlreadyAssociated(
port_id=fip['port_id'])
except sa_exc.NoResultFound:
pass
port_id, internal_ip, router_id = self.get_assoc_data(
context,
fip,
floatingip_db['floating_network_id'])
cluster = self._find_target_cluster(fip)
floating_ip = floatingip_db['floating_ip_address']
# Retrieve and delete existing NAT rules, if any
if not router_id and floatingip_db.get('fixed_port_id'):
# This happens if we're disassociating. Need to explicitly
# find the router serving this floating IP
tmp_fip = fip.copy()
tmp_fip['port_id'] = floatingip_db['fixed_port_id']
_pid, internal_ip, router_id = self.get_assoc_data(
context, tmp_fip, floatingip_db['floating_network_id'])
# If there's no association router_id will be None
if router_id:
self._retrieve_and_delete_nat_rules(floating_ip,
internal_ip,
router_id)
# Fetch logical port of router's external gateway
nvp_gw_port_id = nvplib.find_router_gw_port(
context, self.default_cluster, router_id)['uuid']
nvp_floating_ips = self._build_ip_address_list(
context.elevated(), external_port['fixed_ips'])
LOG.debug(_("Address list for NVP logical router "
"port:%s"), nvp_floating_ips)
# Re-create NAT rules only if a port id is specified
if 'port_id' in fip and fip['port_id']:
try:
# Create new NAT rules
nvplib.create_lrouter_dnat_rule(
cluster, router_id, internal_ip,
order=NVP_FLOATINGIP_NAT_RULES_ORDER,
match_criteria={'destination_ip_addresses':
floating_ip})
# setup snat rule such that src ip of a IP packet when
# using floating is the floating ip itself.
nvplib.create_lrouter_snat_rule(
cluster, router_id, floating_ip, floating_ip,
order=NVP_FLOATINGIP_NAT_RULES_ORDER,
match_criteria={'source_ip_addresses': internal_ip})
# Add Floating IP address to router_port
nvplib.update_lrouter_port_ips(cluster,
router_id,
nvp_gw_port_id,
ips_to_add=nvp_floating_ips,
ips_to_remove=[])
except NvpApiClient.NvpApiException:
LOG.exception(_("An error occurred while creating NAT "
"rules on the NVP platform for floating "
"ip:%(floating_ip)s mapped to "
"internal ip:%(internal_ip)s"),
{'floating_ip': floating_ip,
'internal_ip': internal_ip})
raise nvp_exc.NvpPluginException(err_msg=msg)
elif floatingip_db['fixed_port_id']:
# This is a disassociation.
# Remove floating IP address from logical router port
nvplib.update_lrouter_port_ips(cluster,
router_id,
nvp_gw_port_id,
ips_to_add=[],
ips_to_remove=nvp_floating_ips)
floatingip_db.update({'fixed_ip_address': internal_ip,
'fixed_port_id': port_id,
'router_id': router_id})
def delete_floatingip(self, context, id):
fip_db = self._get_floatingip(context, id)
# Check whether the floating ip is associated or not
if fip_db.fixed_port_id:
self._retrieve_and_delete_nat_rules(fip_db.floating_ip_address,
fip_db.fixed_ip_address,
fip_db.router_id,
min_num_rules_expected=1)
# Remove floating IP address from logical router port
self._remove_floatingip_address(context, fip_db)
return super(NvpPluginV2, self).delete_floatingip(context, id)
def disassociate_floatingips(self, context, port_id):
try:
fip_qry = context.session.query(l3_db.FloatingIP)
fip_db = fip_qry.filter_by(fixed_port_id=port_id).one()
self._retrieve_and_delete_nat_rules(fip_db.floating_ip_address,
fip_db.fixed_ip_address,
fip_db.router_id,
min_num_rules_expected=1)
self._remove_floatingip_address(context, fip_db)
except sa_exc.NoResultFound:
LOG.debug(_("The port '%s' is not associated with floating IPs"),
port_id)
super(NvpPluginV2, self).disassociate_floatingips(context, port_id)
def create_network_gateway(self, context, network_gateway):
""" Create a layer-2 network gateway
Create the gateway service on NVP platform and corresponding data
structures in Quantum datase
"""
# Need to re-do authZ checks here in order to avoid creation on NVP
gw_data = network_gateway[networkgw.RESOURCE_NAME.replace('-', '_')]
tenant_id = self._get_tenant_id_for_create(context, gw_data)
cluster = self._find_target_cluster(gw_data)
devices = gw_data['devices']
# Populate default physical network where not specified
for device in devices:
if not device.get('interface_name'):
device['interface_name'] = cluster.default_interface_name
try:
nvp_res = nvplib.create_l2_gw_service(cluster, tenant_id,
gw_data['name'],
devices)
nvp_uuid = nvp_res.get('uuid')
except Exception:
raise nvp_exc.NvpPluginException(_("Create_l2_gw_service did not "
"return an uuid for the newly "
"created resource:%s") %
nvp_res)
gw_data['id'] = nvp_uuid
return super(NvpPluginV2, self).create_network_gateway(context,
network_gateway)
def delete_network_gateway(self, context, id):
""" Remove a layer-2 network gateway
Remove the gateway service from NVP platform and corresponding data
structures in Quantum datase
"""
with context.session.begin(subtransactions=True):
try:
super(NvpPluginV2, self).delete_network_gateway(context, id)
nvplib.delete_l2_gw_service(self.default_cluster, id)
except NvpApiClient.ResourceNotFound:
# Do not cause a 500 to be returned to the user if
# the corresponding NVP resource does not exist
LOG.exception(_("Unable to remove gateway service from "
"NVP plaform - the resource was not found"))
def _ensure_tenant_on_net_gateway(self, context, net_gateway):
if not net_gateway['tenant_id']:
net_gateway['tenant_id'] = context.tenant_id
return net_gateway
def get_network_gateway(self, context, id, fields=None):
# Ensure the tenant_id attribute is populated on the returned gateway
#return self._ensure_tenant_on_net_gateway(
# context, super(NvpPluginV2, self).get_network_gateway(
# context, id, fields))
return super(NvpPluginV2, self).get_network_gateway(context,
id, fields)
def get_network_gateways(self, context, filters=None, fields=None):
# Ensure the tenant_id attribute is populated on returned gateways
net_gateways = super(NvpPluginV2,
self).get_network_gateways(context,
filters,
fields)
return net_gateways
def get_plugin_version(self):
return PLUGIN_VERSION
def create_security_group(self, context, security_group, default_sg=False):
"""Create security group.
If default_sg is true that means a we are creating a default security
group and we don't need to check if one exists.
"""
s = security_group.get('security_group')
tenant_id = self._get_tenant_id_for_create(context, s)
if not default_sg:
self._ensure_default_security_group(context, tenant_id)
nvp_secgroup = nvplib.create_security_profile(self.default_cluster,
tenant_id, s)
security_group['security_group']['id'] = nvp_secgroup['uuid']
return super(NvpPluginV2, self).create_security_group(
context, security_group, default_sg)
def delete_security_group(self, context, security_group_id):
"""Delete a security group
:param security_group_id: security group rule to remove.
"""
with context.session.begin(subtransactions=True):
security_group = super(NvpPluginV2, self).get_security_group(
context, security_group_id)
if not security_group:
raise ext_sg.SecurityGroupNotFound(id=security_group_id)
if security_group['name'] == 'default':
raise ext_sg.SecurityGroupCannotRemoveDefault()
filters = {'security_group_id': [security_group['id']]}
if super(NvpPluginV2, self)._get_port_security_group_bindings(
context, filters):
raise ext_sg.SecurityGroupInUse(id=security_group['id'])
nvplib.delete_security_profile(self.default_cluster,
security_group['id'])
return super(NvpPluginV2, self).delete_security_group(
context, security_group_id)
def create_security_group_rule(self, context, security_group_rule):
"""create a single security group rule"""
bulk_rule = {'security_group_rules': [security_group_rule]}
return self.create_security_group_rule_bulk(context, bulk_rule)[0]
def create_security_group_rule_bulk(self, context, security_group_rule):
""" create security group rules
:param security_group_rule: list of rules to create
"""
s = security_group_rule.get('security_group_rules')
tenant_id = self._get_tenant_id_for_create(context, s)
# TODO(arosen) is there anyway we could avoid having the update of
# the security group rules in nvp outside of this transaction?
with context.session.begin(subtransactions=True):
self._ensure_default_security_group(context, tenant_id)
security_group_id = self._validate_security_group_rules(
context, security_group_rule)
# Check to make sure security group exists
security_group = super(NvpPluginV2, self).get_security_group(
context, security_group_id)
if not security_group:
raise ext_sg.SecurityGroupNotFound(id=security_group_id)
# Check for duplicate rules
self._check_for_duplicate_rules(context, s)
# gather all the existing security group rules since we need all
# of them to PUT to NVP.
combined_rules = self._merge_security_group_rules_with_current(
context, s, security_group['id'])
nvplib.update_security_group_rules(self.default_cluster,
security_group['id'],
combined_rules)
return super(
NvpPluginV2, self).create_security_group_rule_bulk_native(
context, security_group_rule)
def delete_security_group_rule(self, context, sgrid):
""" Delete a security group rule
:param sgrid: security group id to remove.
"""
with context.session.begin(subtransactions=True):
# determine security profile id
security_group_rule = (
super(NvpPluginV2, self).get_security_group_rule(
context, sgrid))
if not security_group_rule:
raise ext_sg.SecurityGroupRuleNotFound(id=sgrid)
sgid = security_group_rule['security_group_id']
current_rules = self._get_security_group_rules_nvp_format(
context, sgid, True)
self._remove_security_group_with_id_and_id_field(
current_rules, sgrid)
nvplib.update_security_group_rules(
self.default_cluster, sgid, current_rules)
return super(NvpPluginV2, self).delete_security_group_rule(context,
sgrid)
def create_qos_queue(self, context, qos_queue, check_policy=True):
if check_policy:
self._enforce_set_auth(context, qos_queue,
ext_qos.qos_queue_create)
q = qos_queue.get('qos_queue')
self._validate_qos_queue(context, q)
q['id'] = nvplib.create_lqueue(self.default_cluster,
self._nvp_lqueue(q))
return super(NvpPluginV2, self).create_qos_queue(context, qos_queue)
def delete_qos_queue(self, context, id, raise_in_use=True):
filters = {'queue_id': [id]}
queues = self._get_port_queue_bindings(context, filters)
if queues:
if raise_in_use:
raise ext_qos.QueueInUseByPort()
else:
return
nvplib.delete_lqueue(self.default_cluster, id)
return super(NvpPluginV2, self).delete_qos_queue(context, id)
def get_qos_queue(self, context, id, fields=None):
if not self._check_view_auth(context, {'qos_queue': None},
ext_qos.qos_queue_get):
# don't want the user to find out that they guessed the right id
# so we raise not found if the policy.json file doesn't allow them
raise ext_qos.QueueNotFound(id=id)
return super(NvpPluginV2, self).get_qos_queue(context, id, fields)
def get_qos_queues(self, context, filters=None, fields=None):
if not self._check_view_auth(context, {'qos_queue': []},
ext_qos.qos_queue_list):
return []
return super(NvpPluginV2, self).get_qos_queues(context, filters,
fields)
def update_agent(self, context, id, agent):
original_agent = self.get_agent(context, id)
result = super(NvpPluginV2, self).update_agent(context, id, agent)
agent_data = agent['agent']
if ('admin_state_up' in agent_data and
original_agent['admin_state_up'] != agent_data['admin_state_up']):
if original_agent['agent_type'] == constants.AGENT_TYPE_DHCP:
self.dhcp_agent_notifier.agent_updated(
context, agent_data['admin_state_up'],
original_agent['host'])
return result
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