A common library that interfaces with VMware NSX.
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vmware-nsxlib/vmware_nsxlib/v3/core_resources.py

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# Copyright 2017 VMware, Inc.
# All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log
from vmware_nsxlib._i18n import _
from vmware_nsxlib.v3 import exceptions
from vmware_nsxlib.v3 import nsx_constants
from vmware_nsxlib.v3 import utils
LOG = log.getLogger(__name__)
class NsxLibPortMirror(utils.NsxLibApiBase):
def create_session(self, 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 self.client.create(resource, body)
def delete_session(self, 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
self.client.delete(resource)
class NsxLibBridgeEndpoint(utils.NsxLibApiBase):
def create(self, 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 self.client.create(resource, body)
def delete(self, 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
self.client.delete(resource)
class NsxLibLogicalSwitch(utils.NsxLibApiBase):
def create(self, display_name, transport_zone_id, tags,
replication_mode=nsx_constants.MTEP,
admin_state=True, vlan_id=None, ip_pool_id=None,
mac_pool_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
if ip_pool_id:
body['ip_pool_id'] = ip_pool_id
if mac_pool_id:
body['mac_pool_id'] = mac_pool_id
return self.client.create(resource, body)
def delete(self, lswitch_id):
# Using internal method so we can access max_attempts in the decorator
@utils.retry_upon_exception(
exceptions.StaleRevision,
max_attempts=self.nsxlib_config.max_attempts)
def _do_delete():
resource = ('logical-switches/%s?detach=true&cascade=true' %
lswitch_id)
self.client.delete(resource)
_do_delete()
def get(self, logical_switch_id):
resource = "logical-switches/%s" % logical_switch_id
return self.client.get(resource)
def update(self, lswitch_id, name=None, admin_state=None, tags=None):
# Using internal method so we can access max_attempts in the decorator
@utils.retry_upon_exception(
exceptions.StaleRevision,
max_attempts=self.nsxlib_config.max_attempts)
def _do_update():
resource = "logical-switches/%s" % lswitch_id
lswitch = self.get(lswitch_id)
# Assign name to a local variable since 'name' is out of scope
ls_name = name or lswitch.get('display_name')
lswitch['display_name'] = ls_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 self.client.update(resource, lswitch)
return _do_update()
class NsxLibQosSwitchingProfile(utils.NsxLibApiBase):
def _build_args(self, tags, name=None, description=None):
body = {"resource_type": "QosSwitchingProfile",
"tags": tags}
return self._update_args(
body, name=name, description=description)
def _update_args(self, body, name=None, description=None):
if name:
body["display_name"] = name
if description:
body["description"] = description
return body
def _get_resource_type(self, direction):
if direction == nsx_constants.EGRESS:
return nsx_constants.EGRESS_SHAPING
return nsx_constants.INGRESS_SHAPING
def _enable_shaping_in_args(self, body, burst_size=None,
peak_bandwidth=None, average_bandwidth=None,
direction=None):
resource_type = self._get_resource_type(direction)
for shaper in body["shaper_configuration"]:
if shaper["resource_type"] == resource_type:
shaper["enabled"] = True
if burst_size is not None:
shaper["burst_size_bytes"] = burst_size
if peak_bandwidth is not None:
shaper["peak_bandwidth_mbps"] = peak_bandwidth
if average_bandwidth is not None:
shaper["average_bandwidth_mbps"] = average_bandwidth
break
return body
def _disable_shaping_in_args(self, body, direction=None):
resource_type = self._get_resource_type(direction)
for shaper in body["shaper_configuration"]:
if shaper["resource_type"] == resource_type:
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(self, body, qos_marking, dscp):
body["dscp"] = {}
body["dscp"]["mode"] = qos_marking.upper()
if dscp:
body["dscp"]["priority"] = dscp
return body
def create(self, tags, name=None, description=None):
resource = 'switching-profiles'
body = self._build_args(tags, name, description)
return self.client.create(resource, body)
def update(self, profile_id, tags, name=None, description=None):
resource = 'switching-profiles/%s' % profile_id
# get the current configuration
body = self.get(profile_id)
# update the relevant fields
body = self._update_args(body, name, description)
return self._update_resource_with_retry(resource, body)
def update_shaping(self, profile_id,
shaping_enabled=False,
burst_size=None,
peak_bandwidth=None,
average_bandwidth=None,
qos_marking=None, dscp=None,
direction=nsx_constants.INGRESS):
resource = 'switching-profiles/%s' % profile_id
# get the current configuration
body = self.get(profile_id)
# update the relevant fields
if shaping_enabled:
body = self._enable_shaping_in_args(
body, burst_size=burst_size,
peak_bandwidth=peak_bandwidth,
average_bandwidth=average_bandwidth,
direction=direction)
else:
body = self._disable_shaping_in_args(body, direction=direction)
body = self._update_dscp_in_args(body, qos_marking, dscp)
return self._update_resource_with_retry(resource, body)
def get(self, profile_id):
resource = 'switching-profiles/%s' % profile_id
return self.client.get(resource)
def list(self):
resource = 'switching-profiles'
return self.client.list(resource)
def delete(self, profile_id):
resource = 'switching-profiles/%s' % profile_id
self.client.delete(resource)
class NsxLibLogicalRouter(utils.NsxLibApiBase):
def _delete_resource_by_values(self, resource,
skip_not_found=True, **kwargs):
resources_get = self.client.get(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'])
self.client.delete(delete_resource)
matched_num = matched_num + 1
if matched_num == 0:
if skip_not_found:
LOG.warning("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 exceptions.ResourceNotFound(
manager=self.cluster.nsx_api_managers,
operation=err_msg)
elif matched_num > 1:
LOG.warning("%(num)s resources in %(res)s matched for values: "
"%(values)s", {'num': matched_num,
'res': resource,
'values': kwargs})
def add_nat_rule(self, logical_router_id, action, translated_network,
source_net=None, dest_net=None,
enabled=True, rule_priority=None,
match_ports=None, match_protocol=None,
match_resource_type=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
if match_ports:
body['match_service'] = {
'resource_type': (match_resource_type or
nsx_constants.L4_PORT_SET_NSSERVICE),
'destination_ports': match_ports,
'l4_protocol': match_protocol or nsx_constants.TCP}
return self.client.create(resource, body)
def add_static_route(self, 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 self.client.create(resource, body)
def delete_static_route(self, logical_router_id, static_route_id):
resource = 'logical-routers/%s/routing/static-routes/%s' % (
logical_router_id, static_route_id)
self.client.delete(resource)
def delete_static_route_by_values(self, 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 self._delete_resource_by_values(resource, **kwargs)
def delete_nat_rule(self, logical_router_id, nat_rule_id):
resource = 'logical-routers/%s/nat/rules/%s' % (logical_router_id,
nat_rule_id)
self.client.delete(resource)
def delete_nat_rule_by_values(self, logical_router_id, **kwargs):
resource = 'logical-routers/%s/nat/rules' % logical_router_id
return self._delete_resource_by_values(resource, **kwargs)
def update_advertisement(self, logical_router_id, **kwargs):
resource = ('logical-routers/%s/routing/advertisement' %
logical_router_id)
return self._update_resource_with_retry(resource, kwargs)
def get_id_by_name_or_id(self, 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 self._get_resource_by_name_or_id(name_or_id,
'logical-routers')
class NsxLibEdgeCluster(utils.NsxLibApiBase):
def get(self, edge_cluster_uuid):
resource = "edge-clusters/%s" % edge_cluster_uuid
return self.client.get(resource)
class NsxLibTransportZone(utils.NsxLibApiBase):
def get_id_by_name_or_id(self, 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 self._get_resource_by_name_or_id(name_or_id,
'transport-zones')
class NsxLibDhcpProfile(utils.NsxLibApiBase):
def get_id_by_name_or_id(self, name_or_id):
"""Get a dhcp profile by it's display name or uuid
Return the dhcp profile data, or raise an exception if not found or
not unique
"""
return self._get_resource_by_name_or_id(name_or_id,
'dhcp/server-profiles')
class NsxLibMetadataProxy(utils.NsxLibApiBase):
def get_id_by_name_or_id(self, name_or_id):
"""Get a metadata proxy by it's display name or uuid
Return the metadata proxy data, or raise an exception if not found or
not unique
"""
return self._get_resource_by_name_or_id(name_or_id,
'md-proxies')
class NsxLibBridgeCluster(utils.NsxLibApiBase):
def get_id_by_name_or_id(self, 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 self._get_resource_by_name_or_id(name_or_id,
'bridge-clusters')
class NsxLibIpBlockSubnet(utils.NsxLibApiBase):
def create(self, ip_block_id, subnet_size):
"""Create a IP block subnet on the backend."""
resource = 'pools/ip-subnets'
body = {'size': subnet_size,
'block_id': ip_block_id}
return self.client.create(resource, body)
def delete(self, subnet_id):
"""Delete a IP block subnet on the backend."""
resource = 'pools/ip-subnets/%s' % subnet_id
self.client.delete(resource)
def list(self, ip_block_id):
resource = 'pools/ip-subnets?block_id=%s' % ip_block_id
return self.client.get(resource)
class NsxLibIpBlock(utils.NsxLibApiBase):
def list(self):
return self.client.get('pools/ip-blocks')