def test_vdp_vlan_change_multiple_vnics_norem(self):
"""Testing the VDP VLAN change for multiple vnic's.
This is for the case when there are multiple vNics for the same
network and for one vNic a VDP VLAN of 0, is returned. So flow
should not be deleted.
"""
new_vdp_vlan = 0
ovs_cb_data = {'port_uuid': self.port_uuid, 'net_uuid': self.net_uuid}
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.add_flow') as (ovs_br_add), \
mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.delete_flows') as (ovs_br_del):
parent = mock.MagicMock()
parent.attach_mock(ovs_br_del, 'delete_flows')
parent.attach_mock(ovs_br_add, 'add_flow')
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.late_binding_vlan = self.exist_vdp_vlan
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
lvm.set_port_uuid(self.port_uuid_1, self.exist_vdp_vlan, None)
self.ovs_vdp.vdp_vlan_change(ovs_cb_data, new_vdp_vlan, None)
ovs_br_add.assert_not_called()
ovs_br_del.assert_not_called()
def test_flow_check_handler_both_flows_missing(self):
"""Testing the flow check handler for both bridges.
Flow is missing for both bridges.
"""
ext_flow = "NXST_FLOW reply (xid=0x4):"
integ_flow = "NXST_FLOW reply (xid=0x4):"
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.add_flow') as (ovs_br_add), \
mock.patch.object(self.ovs_vdp.integ_br_obj, 'dump_flows_for',
return_value=integ_flow), \
mock.patch.object(self.ovs_vdp.ext_br_obj, 'dump_flows_for',
return_value=ext_flow):
parent = mock.MagicMock()
parent.attach_mock(ovs_br_add, 'add_flow')
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.late_binding_vlan = self.exist_vdp_vlan
lvm.lvid = self.lvid
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
self.ovs_vdp._flow_check_handler()
expected_calls = [
mock.call.add_flow(priority=4,
in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid,
actions="mod_vlan_vid:%s,normal" %
self.exist_vdp_vlan),
mock.call.add_flow(priority=3,
in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=self.exist_vdp_vlan,
actions="mod_vlan_vid:%s,normal" % self.lvid)
]
parent.assert_has_calls(expected_calls, any_order=False)
def test_vdp_vlan_change_rem_add(self):
"""Testing the VDP VLAN change for a remove/add flow case. """
new_vdp_vlan = 3006
ovs_cb_data = {'port_uuid': self.port_uuid, 'net_uuid': self.net_uuid}
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.delete_flows') as (ovs_br_del):
parent = mock.MagicMock()
parent.attach_mock(ovs_br_del, 'delete_flows')
parent.attach_mock(self.ovs_br_add, 'add_flow')
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.late_binding_vlan = self.exist_vdp_vlan
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
self.ovs_vdp.vdp_vlan_change(ovs_cb_data, new_vdp_vlan, None)
expected_calls = [
mock.call.delete_flows(in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid),
mock.call.delete_flows(in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=self.exist_vdp_vlan),
mock.call.add_flow(priority=4,
in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid,
actions="mod_vlan_vid:%s,normal" %
new_vdp_vlan),
mock.call.add_flow(priority=3,
in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=new_vdp_vlan,
actions="mod_vlan_vid:%s,normal" % self.lvid)
]
parent.assert_has_calls(expected_calls, any_order=False)
def test_vdp_port_event_down_mismatched_vlans(self):
"""Test the case for a vnic port down for a network with mismatch vlan.
This is to test the case when there are more than one vNic for a
network with mismatched VLAN's. Stale Flows should be removed and new
flows should be added.
"""
old_vdp_vlan = 3001
status = 'down'
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.delete_flows') as (del_flow), \
mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.add_flow') as (add_flow), \
mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.get_ofport_name',
return_value='test_port'), \
mock.patch.object(self.ovs_vdp.lldpad_info,
'send_vdp_vnic_down') as vnic_down:
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.lvid = self.lvid
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
lvm.set_port_uuid(self.port_uuid_1, old_vdp_vlan, None)
self.ovs_vdp.local_vlan_map[
self.net_uuid].late_binding_vlan = self.exist_vdp_vlan
parent = mock.MagicMock()
parent.attach_mock(vnic_down, 'send_vdp_vnic_down')
parent.attach_mock(del_flow, 'delete_flows')
parent.attach_mock(add_flow, 'add_flow')
self.ovs_vdp.send_vdp_port_event(self.port_uuid, self.mac,
self.net_uuid,
self.segmentation_id, status,
self.oui)
expected_calls = [
mock.call.send_vdp_vnic_down(port_uuid=self.port_uuid,
vsiid=self.port_uuid,
gid=self.segmentation_id,
mac=self.mac,
vlan=self.exist_vdp_vlan,
oui=self.oui),
mock.call.delete_flows(in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid),
mock.call.delete_flows(in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=self.exist_vdp_vlan),
mock.call.add_flow(priority=4,
in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid,
actions="mod_vlan_vid:%s,normal" %
old_vdp_vlan),
mock.call.add_flow(priority=3,
in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=old_vdp_vlan,
actions="mod_vlan_vid:%s,normal" % self.lvid)
]
parent.assert_has_calls(expected_calls, any_order=False)
def test_flow_check_handler_integ_flows_missing(self):
"""Testing the flow check handler for integ bridge.
Flow is missing for integration bridge.
"""
ext_flow = "NXST_FLOW reply (xid=0x4):\n" \
"cookie=0x0, duration=460654.804s, table=0, "\
"n_packets=3885, n_bytes=248632, idle_age=71, "\
"hard_age=65534, priority=3,in_port=1,dl_vlan=3005 "\
"actions=mod_vlan_vid:10,NORMAL\n" \
"cookie=0x9feb720beeec4ab9, duration=777857.315s, "\
"table=0, n_packets=32387, n_bytes=2186200, idle_age=4,"\
" hard_age=65534, priority=2,in_port=1 actions=drop"
integ_flow = "NXST_FLOW reply (xid=0x4):"
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.add_flow') as (ovs_br_add), \
mock.patch.object(self.ovs_vdp.integ_br_obj, 'dump_flows_for',
return_value=integ_flow), \
mock.patch.object(self.ovs_vdp.ext_br_obj, 'dump_flows_for',
return_value=ext_flow):
parent = mock.MagicMock()
parent.attach_mock(ovs_br_add, 'add_flow')
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.late_binding_vlan = self.exist_vdp_vlan
lvm.lvid = self.lvid
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
self.ovs_vdp._flow_check_handler()
expected_calls = [
mock.call.add_flow(priority=4,
in_port=self.ovs_vdp.phy_peer_port_num,
dl_vlan=self.lvid,
actions="mod_vlan_vid:%s,normal" %
self.exist_vdp_vlan),
mock.call.add_flow(priority=3,
in_port=self.ovs_vdp.int_peer_port_num,
dl_vlan=self.exist_vdp_vlan,
actions="mod_vlan_vid:%s,normal" % self.lvid)
]
parent.assert_has_calls(expected_calls, any_order=False)
def _test_vdp_port_event_down(self):
'''Test the case for a vnic port down for a network '''
port_uuid = '0000-1111-2222-3334'
mac = '00:00:fa:11:22:34'
net_uuid = '0000-aaaa-bbbb-cccc'
segmentation_id = 10001
status = 'down'
oui = None
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.delete_flows') as (del_flow), \
mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.get_ofport_name',
return_value='test_port'), \
mock.patch.object(self.ovs_vdp.lldpad_info,
'send_vdp_vnic_down') as vnic_down:
self.ovs_vdp.local_vlan_map[net_uuid] = ovs_vdp.LocalVlan(
10, (segmentation_id))
lvm = self.ovs_vdp.local_vlan_map[net_uuid]
lvm.lvid = 10
lvm.port_uuid_list[port_uuid] = port_uuid
self.ovs_vdp.local_vlan_map[net_uuid].late_binding_vlan = 500
phy_port_num = 5
int_peer_port_num = 6
self.ovs_vdp.phy_peer_port_num = phy_port_num
self.ovs_vdp.int_peer_port_num = int_peer_port_num
parent = mock.MagicMock()
parent.attach_mock(vnic_down, 'send_vdp_vnic_down')
parent.attach_mock(del_flow, 'delete_flows')
self.ovs_vdp.send_vdp_port_event(port_uuid, mac, net_uuid,
segmentation_id, status, oui)
expected_calls = [
mock.call.send_vdp_vnic_down(port_uuid=port_uuid,
vsiid=port_uuid,
gid=segmentation_id,
mac=mac,
vlan=500,
oui=oui),
mock.call.delete_flows(in_port=phy_port_num, dl_vlan=10),
mock.call.delete_flows(in_port=int_peer_port_num, dl_vlan=500)
]
parent.assert_has_calls(expected_calls, any_order=False)
def test_vdp_port_event_down_valid_vlan(self):
"""Test the case for a vnic port down for a network.
This is to test the case when there are more than one vNic for a
network with a valid VLAN. Flows should not be removed.
"""
status = 'down'
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.delete_flows') as (del_flow), \
mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.get_ofport_name',
return_value='test_port'), \
mock.patch.object(self.ovs_vdp.lldpad_info,
'send_vdp_vnic_down') as vnic_down:
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.lvid = self.lvid
lvm.set_port_uuid(self.port_uuid, self.exist_vdp_vlan, None)
lvm.set_port_uuid(self.port_uuid_1, self.exist_vdp_vlan, None)
self.ovs_vdp.local_vlan_map[
self.net_uuid].late_binding_vlan = self.exist_vdp_vlan
parent = mock.MagicMock()
parent.attach_mock(vnic_down, 'send_vdp_vnic_down')
parent.attach_mock(del_flow, 'delete_flows')
self.ovs_vdp.send_vdp_port_event(self.port_uuid, self.mac,
self.net_uuid,
self.segmentation_id, status,
self.oui)
expected_calls = [
mock.call.send_vdp_vnic_down(port_uuid=self.port_uuid,
vsiid=self.port_uuid,
gid=self.segmentation_id,
mac=self.mac,
vlan=self.exist_vdp_vlan,
oui=self.oui)
]
parent.assert_has_calls(expected_calls, any_order=False)
del_flow.assert_not_called()
def test_flow_check_handler_no_flows_missing(self):
"""Testing the flow check handler for both bridges.
No flows are missing in both the bridges.
"""
new_vdp_vlan = 3005
ext_flow = "NXST_FLOW reply (xid=0x4):\n" \
"cookie=0x0, duration=460654.804s, table=0, "\
"n_packets=3885, n_bytes=248632, idle_age=71, "\
"hard_age=65534, priority=3,in_port=1,dl_vlan=10 "\
"actions=mod_vlan_vid:3005,NORMAL\n" \
"cookie=0x9feb720beeec4ab9, duration=777857.315s, "\
"table=0, n_packets=32387, n_bytes=2186200, idle_age=4,"\
" hard_age=65534, priority=2,in_port=1 actions=drop"
integ_flow = "NXST_FLOW reply (xid=0x4):\n" \
"cookie=0x0, duration=460654.804s, table=0, "\
"n_packets=3885, n_bytes=248632, idle_age=71, "\
"hard_age=65534, priority=3,in_port=1,dl_vlan=3005 "\
"actions=mod_vlan_vid:10,NORMAL\n" \
"cookie=0x9feb720beeec4ab9, duration=777857.315s, "\
"table=0, n_packets=32387, n_bytes=2186200, idle_age=4,"\
" hard_age=65534, priority=2,in_port=1 actions=drop"
with mock.patch('networking_cisco.apps.saf.common.'
'dfa_sys_lib.OVSBridge.add_flow') as (ovs_br_add), \
mock.patch.object(self.ovs_vdp.integ_br_obj, 'dump_flows_for',
return_value=integ_flow), \
mock.patch.object(self.ovs_vdp.ext_br_obj, 'dump_flows_for',
return_value=ext_flow):
parent = mock.MagicMock()
parent.attach_mock(ovs_br_add, 'add_flow')
self.ovs_vdp.local_vlan_map[self.net_uuid] = ovs_vdp.LocalVlan(
self.lvid, self.segmentation_id)
lvm = self.ovs_vdp.local_vlan_map[self.net_uuid]
lvm.late_binding_vlan = new_vdp_vlan
lvm.lvid = self.lvid
lvm.set_port_uuid(self.port_uuid, new_vdp_vlan, None)
self.ovs_vdp._flow_check_handler()
ovs_br_add.assert_not_called()