vmware-nsx/vmware_nsx/nsxlib/v3/__init__.py

401 lines
14 KiB
Python

# Copyright 2015 OpenStack Foundation
# 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 oslo_log import log
from vmware_nsx._i18n import _, _LW
from vmware_nsx.common import exceptions as nsx_exc
from vmware_nsx.common import nsx_constants
from vmware_nsx.common import utils
from vmware_nsx.nsxlib.v3 import client
LOG = log.getLogger(__name__)
def get_version():
node = client.get_resource("node")
version = node.get('node_version')
return version
def get_edge_cluster(edge_cluster_uuid):
resource = "edge-clusters/%s" % edge_cluster_uuid
return client.get_resource(resource)
@utils.retry_upon_exception_nsxv3(nsx_exc.StaleRevision)
def update_resource_with_retry(resource, payload):
revised_payload = client.get_resource(resource)
for key_name in payload.keys():
revised_payload[key_name] = payload[key_name]
return client.update_resource(resource, revised_payload)
def delete_resource_by_values(resource, skip_not_found=True, **kwargs):
resources_get = client.get_resource(resource)
matched_num = 0
for res in resources_get['results']:
if utils.dict_match(kwargs, res):
LOG.debug("Deleting %s from resource %s", res, resource)
delete_resource = resource + "/" + str(res['id'])
client.delete_resource(delete_resource)
matched_num = matched_num + 1
if matched_num == 0:
if skip_not_found:
LOG.warning(_LW("No resource in %(res)s matched for values: "
"%(values)s"), {'res': resource,
'values': kwargs})
else:
err_msg = (_("No resource in %(res)s matched for values: "
"%(values)s") % {'res': resource,
'values': kwargs})
raise nsx_exc.ResourceNotFound(
manager=client._get_nsx_managers_from_conf(),
operation=err_msg)
elif matched_num > 1:
LOG.warning(_LW("%(num)s resources in %(res)s matched for values: "
"%(values)s"), {'num': matched_num,
'res': resource,
'values': kwargs})
def create_logical_switch(display_name, transport_zone_id, tags,
replication_mode=nsx_constants.MTEP,
admin_state=True, vlan_id=None):
# TODO(salv-orlando): Validate Replication mode and admin_state
# NOTE: These checks might be moved to the API client library if one that
# performs such checks in the client is available
resource = 'logical-switches'
body = {'transport_zone_id': transport_zone_id,
'replication_mode': replication_mode,
'display_name': display_name,
'tags': tags}
if admin_state:
body['admin_state'] = nsx_constants.ADMIN_STATE_UP
else:
body['admin_state'] = nsx_constants.ADMIN_STATE_DOWN
if vlan_id:
body['vlan'] = vlan_id
return client.create_resource(resource, body)
@utils.retry_upon_exception_nsxv3(nsx_exc.StaleRevision,
max_attempts=cfg.CONF.nsx_v3.retries)
def delete_logical_switch(lswitch_id):
resource = 'logical-switches/%s?detach=true&cascade=true' % lswitch_id
client.delete_resource(resource)
def get_logical_switch(logical_switch_id):
resource = "logical-switches/%s" % logical_switch_id
return client.get_resource(resource)
@utils.retry_upon_exception_nsxv3(nsx_exc.StaleRevision,
max_attempts=cfg.CONF.nsx_v3.retries)
def update_logical_switch(lswitch_id, name=None, admin_state=None, tags=None):
resource = "logical-switches/%s" % lswitch_id
lswitch = get_logical_switch(lswitch_id)
if name is not None:
lswitch['display_name'] = name
if admin_state is not None:
if admin_state:
lswitch['admin_state'] = nsx_constants.ADMIN_STATE_UP
else:
lswitch['admin_state'] = nsx_constants.ADMIN_STATE_DOWN
if tags is not None:
lswitch['tags'] = tags
return client.update_resource(resource, lswitch)
def add_nat_rule(logical_router_id, action, translated_network,
source_net=None, dest_net=None,
enabled=True, rule_priority=None):
resource = 'logical-routers/%s/nat/rules' % logical_router_id
body = {'action': action,
'enabled': enabled,
'translated_network': translated_network}
if source_net:
body['match_source_network'] = source_net
if dest_net:
body['match_destination_network'] = dest_net
if rule_priority:
body['rule_priority'] = rule_priority
return client.create_resource(resource, body)
def add_static_route(logical_router_id, dest_cidr, nexthop):
resource = 'logical-routers/%s/routing/static-routes' % logical_router_id
body = {}
if dest_cidr:
body['network'] = dest_cidr
if nexthop:
body['next_hops'] = [{"ip_address": nexthop}]
return client.create_resource(resource, body)
def delete_static_route(logical_router_id, static_route_id):
resource = 'logical-routers/%s/routing/static-routes/%s' % (
logical_router_id, static_route_id)
client.delete_resource(resource)
def delete_static_route_by_values(logical_router_id,
dest_cidr=None, nexthop=None):
resource = 'logical-routers/%s/routing/static-routes' % logical_router_id
kwargs = {}
if dest_cidr:
kwargs['network'] = dest_cidr
if nexthop:
kwargs['next_hops'] = [{"ip_address": nexthop}]
return delete_resource_by_values(resource, **kwargs)
def delete_nat_rule(logical_router_id, nat_rule_id):
resource = 'logical-routers/%s/nat/rules/%s' % (logical_router_id,
nat_rule_id)
client.delete_resource(resource)
def delete_nat_rule_by_values(logical_router_id, **kwargs):
resource = 'logical-routers/%s/nat/rules' % logical_router_id
return delete_resource_by_values(resource, **kwargs)
def update_logical_router_advertisement(logical_router_id, **kwargs):
resource = 'logical-routers/%s/routing/advertisement' % logical_router_id
return update_resource_with_retry(resource, kwargs)
def _build_qos_switching_profile_args(tags, name=None, description=None):
body = {"resource_type": "QosSwitchingProfile",
"tags": tags}
return _update_qos_switching_profile_args(
body, name=name, description=description)
def _update_qos_switching_profile_args(body, name=None, description=None):
if name:
body["display_name"] = name
if description:
body["description"] = description
return body
def _enable_shaping_in_args(body, burst_size=None, peak_bandwidth=None,
average_bandwidth=None):
for shaper in body["shaper_configuration"]:
# Neutron currently supports only shaping of Egress traffic
if shaper["resource_type"] == "EgressRateShaper":
shaper["enabled"] = True
if burst_size:
shaper["burst_size_bytes"] = burst_size
if peak_bandwidth:
shaper["peak_bandwidth_mbps"] = peak_bandwidth
if average_bandwidth:
shaper["average_bandwidth_mbps"] = average_bandwidth
break
return body
def _disable_shaping_in_args(body):
for shaper in body["shaper_configuration"]:
# Neutron currently supports only shaping of Egress traffic
if shaper["resource_type"] == "EgressRateShaper":
shaper["enabled"] = False
shaper["burst_size_bytes"] = 0
shaper["peak_bandwidth_mbps"] = 0
shaper["average_bandwidth_mbps"] = 0
break
return body
def _update_dscp_in_args(body, qos_marking, dscp):
body["dscp"] = {}
body["dscp"]["mode"] = qos_marking.upper()
if dscp:
body["dscp"]["priority"] = dscp
return body
def create_qos_switching_profile(tags, name=None,
description=None):
resource = 'switching-profiles'
body = _build_qos_switching_profile_args(tags, name, description)
return client.create_resource(resource, body)
def update_qos_switching_profile(profile_id, tags, name=None,
description=None):
resource = 'switching-profiles/%s' % profile_id
# get the current configuration
body = get_qos_switching_profile(profile_id)
# update the relevant fields
body = _update_qos_switching_profile_args(body, name, description)
return update_resource_with_retry(resource, body)
def update_qos_switching_profile_shaping(profile_id, shaping_enabled=False,
burst_size=None, peak_bandwidth=None,
average_bandwidth=None,
qos_marking=None, dscp=None):
resource = 'switching-profiles/%s' % profile_id
# get the current configuration
body = get_qos_switching_profile(profile_id)
# update the relevant fields
if shaping_enabled:
body = _enable_shaping_in_args(body,
burst_size=burst_size,
peak_bandwidth=peak_bandwidth,
average_bandwidth=average_bandwidth)
else:
body = _disable_shaping_in_args(body)
body = _update_dscp_in_args(body, qos_marking, dscp)
return update_resource_with_retry(resource, body)
def get_qos_switching_profile(profile_id):
resource = 'switching-profiles/%s' % profile_id
return client.get_resource(resource)
def delete_qos_switching_profile(profile_id):
resource = 'switching-profiles/%s' % profile_id
client.delete_resource(resource)
def create_bridge_endpoint(device_name, seg_id, tags):
"""Create a bridge endpoint on the backend.
Create a bridge endpoint resource on a bridge cluster for the L2 gateway
network connection.
:param device_name: device_name actually refers to the bridge cluster's
UUID.
:param seg_id: integer representing the VLAN segmentation ID.
:param tags: nsx backend specific tags.
"""
resource = 'bridge-endpoints'
body = {'bridge_cluster_id': device_name,
'tags': tags,
'vlan': seg_id}
return client.create_resource(resource, body)
def delete_bridge_endpoint(bridge_endpoint_id):
"""Delete a bridge endpoint on the backend.
:param bridge_endpoint_id: string representing the UUID of the bridge
endpoint to be deleted.
"""
resource = 'bridge-endpoints/%s' % bridge_endpoint_id
client.delete_resource(resource)
def _get_resource_by_name_or_id(name_or_id, resource):
all_results = client.get_resource(resource)['results']
matched_results = []
for rs in all_results:
if rs.get('id') == name_or_id:
# Matched by id - must be unique
return name_or_id
if rs.get('display_name') == name_or_id:
# Matched by name - add to the list to verify it is unique
matched_results.append(rs)
if len(matched_results) == 0:
err_msg = (_("Could not find %(resource)s %(name)s") %
{'name': name_or_id, 'resource': resource})
raise nsx_exc.NsxPluginException(err_msg=err_msg)
elif len(matched_results) > 1:
err_msg = (_("Found multiple %(resource)s named %(name)s") %
{'name': name_or_id, 'resource': resource})
raise nsx_exc.NsxPluginException(err_msg=err_msg)
return matched_results[0].get('id')
def get_transport_zone_id_by_name_or_id(name_or_id):
"""Get a transport zone by it's display name or uuid
Return the transport zone data, or raise an exception if not found or
not unique
"""
return _get_resource_by_name_or_id(name_or_id, 'transport-zones')
def get_logical_router_id_by_name_or_id(name_or_id):
"""Get a logical router by it's display name or uuid
Return the logical router data, or raise an exception if not found or
not unique
"""
return _get_resource_by_name_or_id(name_or_id, 'logical-routers')
def get_bridge_cluster_id_by_name_or_id(name_or_id):
"""Get a bridge cluster by it's display name or uuid
Return the bridge cluster data, or raise an exception if not found or
not unique
"""
return _get_resource_by_name_or_id(name_or_id, 'bridge-clusters')
def create_port_mirror_session(source_ports, dest_ports, direction,
description, name, tags):
"""Create a PortMirror Session on the backend.
:param source_ports: List of UUIDs of the ports whose traffic is to be
mirrored.
:param dest_ports: List of UUIDs of the ports where the mirrored traffic is
to be sent.
:param direction: String representing the direction of traffic to be
mirrored. [INGRESS, EGRESS, BIDIRECTIONAL]
:param description: String representing the description of the session.
:param name: String representing the name of the session.
:param tags: nsx backend specific tags.
"""
resource = 'mirror-sessions'
body = {'direction': direction,
'tags': tags,
'display_name': name,
'description': description,
'mirror_sources': source_ports,
'mirror_destination': dest_ports}
return client.create_resource(resource, body)
def delete_port_mirror_session(mirror_session_id):
"""Delete a PortMirror session on the backend.
:param mirror_session_id: string representing the UUID of the port mirror
session to be deleted.
"""
resource = 'mirror-sessions/%s' % mirror_session_id
client.delete_resource(resource)