Files
5749b8deb0f8f40fb10b41a397da82aae7e1a305
nova /bin /nova-dhcpbridge

127 lines
4.2 KiB
Plaintext
Raw Normal View History

2010年07月07日 12:25:22 -07:00
#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
2010年07月07日 12:25:22 -07:00
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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
2010年07月07日 12:25:22 -07:00
# 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.
Handle lease database updates from DHCP servers.
"""
2010年07月15日 23:11:33 +00:00
import os
import sys
# If ../nova/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir,
os.pardir))
if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
sys.path.insert(0, possible_topdir)
2010年08月24日 01:14:10 -07:00
from nova import db
from nova import flags
2010年07月15日 23:11:33 +00:00
from nova import utils
2010年07月18日 13:25:43 -05:00
LOG = logging.getLogger('nova.dhcpbridge')
def add_lease(mac, ip_address):
"""Set the IP that was assigned by the DHCP server."""
LOG.debug(_("leasing ip"))
ip_address)
def old_lease(mac, ip_address):
# NOTE(vish): We assume we heard about this lease the first time.
# If not, we will get it the next time the lease is
# renewed.
pass
2010年07月07日 12:25:22 -07:00
def del_lease(mac, ip_address):
2010年08月09日 23:44:13 -07:00
"""Called when a lease expires."""
LOG.debug(_("releasing ip"))
ip_address)
api.release_fixed_ip(context.get_admin_context(), ip_address,
2010年07月07日 12:25:22 -07:00
def init_leases(network_id):
"""Get the list of hosts for a network."""
network_ref = db.network_get(ctxt, network_id)
2010年07月15日 23:11:33 +00:00
def main():
"""Parse environment and arguments and call the approproate action."""
2010年07月15日 23:11:33 +00:00
if int(os.environ.get('TESTING', '0')):
from nova.tests import fake_flags
action = argv[1]
mac = argv[2]
ip = argv[3]
{"action": action,
"mac": mac,
"ip": ip})
globals()[action + '_lease'](mac, ip)
network_id = int(os.environ.get('NETWORK_ID'))
except TypeError:
LOG.error(_("Environment variable 'NETWORK_ID' must be set."))
sys.exit(1)
print init_leases(network_id)
if __name__ == "__main__":