def test_find_network_with_name_returns_none(self):
session = mock.Mock()
session.network.get_by_name_label.return_value = []
result = network_utils.find_network_with_name_label(session, "label")
self.assertIsNone(result)
def test_find_network_with_name_returns_none(self):
session = mock.Mock()
session.network.get_by_name_label.return_value = []
result = network_utils.find_network_with_name_label(session, "label")
self.assertIsNone(result)
def test_find_network_with_name_label_works(self):
session = mock.Mock()
session.network.get_by_name_label.return_value = ["net"]
result = network_utils.find_network_with_name_label(session, "label")
self.assertEqual("net", result)
session.network.get_by_name_label.assert_called_once_with("label")
def test_find_network_with_name_label_works(self):
session = mock.Mock()
session.network.get_by_name_label.return_value = ["net"]
result = network_utils.find_network_with_name_label(session, "label")
self.assertEqual("net", result)
session.network.get_by_name_label.assert_called_once_with("label")
def _ensure_vlan_bridge(self, network):
"""Ensure that a VLAN bridge exists."""
vlan_num = network.get_meta('vlan')
bridge = network['bridge']
bridge_interface = (CONF.vlan_interface
or network.get_meta('bridge_interface'))
# Check whether bridge already exists
# Retrieve network whose name_label is "bridge"
network_ref = network_utils.find_network_with_name_label(
self._session, bridge)
if network_ref is None:
# If bridge does not exists
# 1 - create network
description = 'network for patron bridge %s' % bridge
network_rec = {
'name_label': bridge,
'name_description': description,
'other_config': {}
}
network_ref = self._session.call_xenapi('network.create',
network_rec)
# 2 - find PIF for VLAN NOTE(salvatore-orlando): using double
# quotes inside single quotes as xapi filter only support
# tokens in double quotes
expr = ('field "device" = "%s" and field "VLAN" = "-1"' %
bridge_interface)
pifs = self._session.call_xenapi('PIF.get_all_records_where', expr)
pif_ref = None
# Multiple PIF are ok: we are dealing with a pool
if len(pifs) == 0:
raise Exception(
_('Found no PIF for device %s') % bridge_interface)
for pif_ref in pifs.keys():
self._session.call_xenapi('VLAN.create', pif_ref,
str(vlan_num), network_ref)
else:
# Check VLAN tag is appropriate
network_rec = self._session.call_xenapi('network.get_record',
network_ref)
# Retrieve PIFs from network
for pif_ref in network_rec['PIFs']:
# Retrieve VLAN from PIF
pif_rec = self._session.call_xenapi('PIF.get_record', pif_ref)
pif_vlan = int(pif_rec['VLAN'])
# Raise an exception if VLAN != vlan_num
if pif_vlan != vlan_num:
raise Exception(
_("PIF %(pif_uuid)s for network "
"%(bridge)s has VLAN id %(pif_vlan)d. "
"Expected %(vlan_num)d"), {
'pif_uuid': pif_rec['uuid'],
'bridge': bridge,
'pif_vlan': pif_vlan,
'vlan_num': vlan_num
})
return network_ref
