OpenStack Networking (Neutron)
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# Copyright (c) 2015 Cisco Systems.
# 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 os
import signal
import sys
from neutron_lib.utils import file as file_utils
def main():
"""Expected arguments:
sys.argv[1] - The add/update/delete operation performed by the PD agent
sys.argv[2] - The file where the new prefix should be written
sys.argv[3] - The process ID of the L3 agent to be notified of this change
"""
operation = sys.argv[1]
prefix_fname = sys.argv[2]
agent_pid = sys.argv[3]
prefix = os.getenv('PREFIX1', "::")
if operation == "add" or operation == "update":
file_utils.replace_file(prefix_fname, "%s/64" % prefix)
elif operation == "delete":
file_utils.replace_file(prefix_fname, "::/64")
os.kill(int(agent_pid), signal.SIGUSR1)