initial commit of vif-plugging for network-service interfaces

This commit is contained in:
Dan Wendlandt
2011-08-01 18:11:15 -07:00
parent 07eb6ff6a9
commit 0447e29b0a

View File

@@ -48,12 +48,11 @@ flags.DECLARE('auth_driver', 'nova.auth.manager')
flags.DECLARE('network_size', 'nova.network.manager')
flags.DECLARE('num_networks', 'nova.network.manager')
flags.DECLARE('update_dhcp_on_disassociate', 'nova.network.manager')
flags.DEFINE_string('dnsmasq_interface', 'br0', 'Default Dnsmasq interface')
LOG = logging.getLogger('nova.dhcpbridge')
def add_lease(mac, ip_address, _hostname, _interface):
def add_lease(mac, ip_address, _hostname):
"""Set the IP that was assigned by the DHCP server."""
if FLAGS.fake_rabbit:
LOG.debug(_("leasing ip"))
@@ -67,13 +66,13 @@ def add_lease(mac, ip_address, _hostname, _interface):
"args": {"address": ip_address}})
def old_lease(mac, ip_address, hostname, interface):
def old_lease(mac, ip_address, hostname):
"""Update just as add lease."""
LOG.debug(_("Adopted old lease or got a change of mac/hostname"))
add_lease(mac, ip_address, hostname, interface)
add_lease(mac, ip_address, hostname)
def del_lease(mac, ip_address, _hostname, _interface):
def del_lease(mac, ip_address, _hostname):
"""Called when a lease expires."""
if FLAGS.fake_rabbit:
LOG.debug(_("releasing ip"))
@@ -87,10 +86,10 @@ def del_lease(mac, ip_address, _hostname, _interface):
"args": {"address": ip_address}})
def init_leases(interface):
"""Get the list of hosts for an interface."""
def init_leases(network_id):
"""Get the list of hosts for a network."""
ctxt = context.get_admin_context()
network_ref = db.network_get_by_bridge(ctxt, interface)
network_ref = db.network_get(ctxt, network_id)
return linux_net.get_dhcp_leases(ctxt, network_ref)
@@ -101,7 +100,8 @@ def main():
argv = FLAGS(sys.argv)
logging.setup()
# check ENV first so we don't break any older deploys
interface = os.environ.get('DNSMASQ_INTERFACE', FLAGS.dnsmasq_interface)
network_id = int(os.environ.get('NETWORK_ID'))
if int(os.environ.get('TESTING', '0')):
from nova.tests import fake_flags
@@ -117,11 +117,11 @@ def main():
ip = argv[3]
hostname = argv[4]
msg = _("Called %(action)s for mac %(mac)s with ip %(ip)s and"
" hostname %(hostname)s on interface %(interface)s") % locals()
" hostname %(hostname)s on network %(network_id)s") % locals()
LOG.debug(msg)
globals()[action + '_lease'](mac, ip, hostname, interface)
globals()[action + '_lease'](mac, ip, hostname)
else:
print init_leases(interface)
print init_leases(network_id)
if __name__ == "__main__":
main()