def test_convert_flow1(self):
""" Test converting OFPFlowMod and OFPFlowStats from ovs """
expected_insts = Instructions()
expected_insts.apply_actions.append("POP_VLAN", None)
expected_insts.apply_actions.append("SET_FIELD",
("ETH_DST", 0x101010101010))
expected_insts.apply_actions.append("OUTPUT", 7)
expected_insts.goto_table = 4
expected = Rule(priority=789,
cookie=0xABCD,
table=3,
match=Match([("ETH_TYPE", 0x0800, None),
("IPV4_SRC", 1, None),
("VLAN_VID", 0x1100, None)]),
instructions=expected_insts)
handcrafted = (
"priority=789 cookie=0xABCD table=3 eth_type=0x800,ip_src=0.0.0.1,vlan_vid=0x1100 actions=pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7,goto_table:4"
)
# After going in and out of OVS, ovs-ofctl -O OpenFlowXX dumpflows br0
ofctl10 = " cookie=0xabcd, duration=30.907s, table=3, n_packets=0, n_bytes=0, priority=789,ip,dl_vlan=256,nw_src=0.0.0.1 actions=strip_vlan,mod_dl_dst:10:10:10:10:10:10,output:7,resubmit(,4)"
ofctl13 = " cookie=0xabcd, duration=24.104s, table=3, n_packets=0, n_bytes=0, priority=789,ip,dl_vlan=256,nw_src=0.0.0.1 actions=pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7,goto_table:4"
ofctl13_nostats = " cookie=0xabcd, table=3, priority=789,ip,dl_vlan=256,nw_src=0.0.0.1 actions=pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7,goto_table:4"
ofctl15 = " cookie=0xabcd, duration=28.969s, table=3, n_packets=0, n_bytes=0, idle_age=28, priority=789,ip,dl_vlan=256,nw_src=0.0.0.1 actions=pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7,goto_table:4"
# From ovs-appctl bridge/dumpflows
appctl = "table_id=3, duration=51s, n_packets=0, n_bytes=0, priority=789,ip,dl_vlan=256,nw_src=0.0.0.1,actions=pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7,goto_table:4"
rule_hand = rule_from_ovs(handcrafted, {})
rule_10 = rule_from_ovs(ofctl10, {})
rule_13 = rule_from_ovs(ofctl13, {})
rule_13nostats = rule_from_ovs(ofctl13_nostats, {})
rule_15 = rule_from_ovs(ofctl15, {})
rule_appctl = rule_from_ovs(appctl, {})
self.assertEqual(rule_hand, expected)
self.assertEqual(rule_10, expected)
self.assertEqual(rule_13, expected)
self.assertEqual(rule_13nostats, expected)
self.assertEqual(rule_15, expected)
# appctl output doesn't display cookies
expected.cookie = None
self.assertEqual(rule_appctl, expected)
def test_convert_flow2(self):
""" Test converting OFPFlowMod and OFPFlowStats from ovs """
match = Match([("IPV4_SRC", 1, None), ("ETH_TYPE", 0x800, None),
("VLAN_VID", 0x1100, None)])
instructions = Instructions()
instructions.goto_table = 9
instructions.clear_actions = True
instructions.write_actions.append("POP_VLAN", None)
instructions.write_actions.append("SET_FIELD",
("ETH_DST", 0x101010101010))
instructions.write_actions.append("OUTPUT", 7)
instructions.write_metadata = (0x99, 0xff)
expected = Rule(priority=0x8000,
cookie=0xABCD,
table=0,
match=match,
instructions=instructions)
# Now for write actions and clear actions etc.
# Note priority=0x8000 is the default priority and ovs omits it,
# Similarly table 0 is often omitted
handcrafted = (
"priority=0x8000 cookie=0xABCD table=0 eth_type=0x800,ip_src=0.0.0.1,vlan_vid=0x1100 actions=clear_actions,write_actions(pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7),write_metadata:0x99/0xff,goto_table:9"
)
ofctl11 = " cookie=0xabcd, duration=10.778s, table=0, n_packets=0, n_bytes=0, ip,dl_vlan=256,nw_src=0.0.0.1 actions=clear_actions,write_actions(pop_vlan,mod_dl_dst:10:10:10:10:10:10,output:7),write_metadata:0x99/0xff,goto_table:9"
# Also the same for of12 to of15
ofctl13 = " cookie=0xabcd, duration=24.097s, table=0, n_packets=0, n_bytes=0, ip,dl_vlan=256,nw_src=0.0.0.1 actions=clear_actions,write_actions(pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7),write_metadata:0x99/0xff,goto_table:9"
# From ovs-appctl bridge/dumpflows
appctl = "duration=369s, n_packets=0, n_bytes=0, ip,dl_vlan=256,nw_src=0.0.0.1,actions=clear_actions,write_actions(pop_vlan,set_field:10:10:10:10:10:10->eth_dst,output:7),write_metadata:0x99/0xff,goto_table:9"
rule_hand = rule_from_ovs(handcrafted, {})
rule_11 = rule_from_ovs(ofctl11, {})
rule_13 = rule_from_ovs(ofctl13, {})
rule_appctl = rule_from_ovs(appctl, {})
self.assertEqual(rule_hand, expected)
self.assertEqual(rule_11, expected)
self.assertEqual(rule_13, expected)
# appctl output doesn't display cookies
expected.cookie = None
self.assertEqual(rule_appctl, expected)