A set of Neutron drivers for the VMware NSX.
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# Copyright 2018 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.
import optparse
import sqlalchemy as sa
from vmware_nsxlib import v3
from vmware_nsxlib.v3 import config
class NeutronNsxDB(object):
def __init__(self, db_connection):
super(NeutronNsxDB, self).__init__()
engine = sa.create_engine(db_connection)
self.session = sa.orm.session.sessionmaker()(bind=engine)
def query_all(self, column, model):
return list(set([r[column] for r in self.session.query(model).all()]))
class NSXClient(object):
"""Base NSX REST client"""
API_VERSION = "v1"
NULL_CURSOR_PREFIX = '0000'
def __init__(self, host, username, password, db_connection):
self.host = host
self.username = username
self.password = password
self.neutron_db = (NeutronNsxDB(db_connection)
if db_connection else None)
nsxlib_config = config.NsxLibConfig(
username=self.username,
password=self.password,
nsx_api_managers=[self.host],
# allow admin user to delete entities created
# under openstack principal identity
allow_overwrite_header=True)
self.nsxlib = v3.NsxPolicyLib(nsxlib_config)
def cleanup_all(self):
"""
Cleanup steps:
- Firewall sections
- NSGroups
- VPN objects
- Loadbalancer objects
- Logical router and their ports
- Logical Tier 0 routers ports
- Logical switch ports
- Logical switches
- DHCP servers
- Switching profiles
"""
return
if __name__ == "__main__":
parser = optparse.OptionParser()
parser.add_option("--policy-ip", dest="policy_ip", help="NSX Policy IP "
"address")
parser.add_option("-u", "--username", default="admin", dest="username",
help="NSX Policy username")
parser.add_option("-p", "--password", default="default", dest="password",
help="NSX Policy password")
parser.add_option("--db-connection", default="", dest="db_connection",
help=("When set, cleaning only backend resources that "
"have db record."))
(options, args) = parser.parse_args()
# Get NSX REST client
nsx_client = NSXClient(options.policy_ip, options.username,
options.password, options.db_connection)
# Clean all objects created by OpenStack
nsx_client.cleanup_all()