1 AT_SETUP([ovn -- 2 LRs connected via LS, gateway router, NAT])
6 OVS_TRAFFIC_VSWITCHD_START()
9 # Set external-ids in br-int needed for ovn-controller
11 -- set Open_vSwitch . external-ids:system-id=hv1 \
12 -- set Open_vSwitch . external-ids:ovn-remote=unix:$ovs_base/ovn-sb/ovn-sb.sock \
13 -- set Open_vSwitch . external-ids:ovn-encap-type=geneve \
14 -- set Open_vSwitch . external-ids:ovn-encap-ip=169.0.0.1 \
15 -- set bridge br-int fail-mode=secure other-config:disable-in-band=true
17 # Start ovn-controller
18 start_daemon ovn-controller
21 # Two LRs - R1 and R2 that are connected to each other via LS "join"
22 # in 20.0.0.0/24 network. R1 has switchess foo (192.168.1.0/24) and
23 # bar (192.168.2.0/24) connected to it. R2 has alice (172.16.1.0/24) connected
24 # to it. R2 is a gateway router on which we add NAT rules.
26 # foo -- R1 -- join - R2 -- alice
30 ovn-nbctl create Logical_Router name=R1
31 ovn-nbctl create Logical_Router name=R2 options:chassis=hv1
35 ovn-nbctl ls-add alice
39 ovn-nbctl lrp-add R1 foo 00:00:01:01:02:03 192.168.1.1/24
40 ovn-nbctl lsp-add foo rp-foo -- set Logical_Switch_Port rp-foo \
41 type=router options:router-port=foo addresses=\"00:00:01:01:02:03\"
44 ovn-nbctl lrp-add R1 bar 00:00:01:01:02:04 192.168.2.1/24
45 ovn-nbctl lsp-add bar rp-bar -- set Logical_Switch_Port rp-bar \
46 type=router options:router-port=bar addresses=\"00:00:01:01:02:04\"
49 ovn-nbctl lrp-add R2 alice 00:00:02:01:02:03 172.16.1.1/24
50 ovn-nbctl lsp-add alice rp-alice -- set Logical_Switch_Port rp-alice \
51 type=router options:router-port=alice addresses=\"00:00:02:01:02:03\"
54 ovn-nbctl lrp-add R1 R1_join 00:00:04:01:02:03 20.0.0.1/24
55 ovn-nbctl lsp-add join r1-join -- set Logical_Switch_Port r1-join \
56 type=router options:router-port=R1_join addresses='"00:00:04:01:02:03"'
59 ovn-nbctl lrp-add R2 R2_join 00:00:04:01:02:04 20.0.0.2/24
60 ovn-nbctl lsp-add join r2-join -- set Logical_Switch_Port r2-join \
61 type=router options:router-port=R2_join addresses='"00:00:04:01:02:04"'
64 ovn-nbctl lr-route-add R1 172.16.1.0/24 20.0.0.2
65 ovn-nbctl lr-route-add R2 192.168.0.0/16 20.0.0.1
67 # Logical port 'foo1' in switch 'foo'.
69 ADD_VETH(foo1, foo1, br-int, "192.168.1.2/24", "f0:00:00:01:02:03", \
71 ovn-nbctl lsp-add foo foo1 \
72 -- lsp-set-addresses foo1 "f0:00:00:01:02:03 192.168.1.2"
74 # Logical port 'alice1' in switch 'alice'.
75 ADD_NAMESPACES(alice1)
76 ADD_VETH(alice1, alice1, br-int, "172.16.1.2/24", "f0:00:00:01:02:04", \
78 ovn-nbctl lsp-add alice alice1 \
79 -- lsp-set-addresses alice1 "f0:00:00:01:02:04 172.16.1.2"
81 # Logical port 'bar1' in switch 'bar'.
83 ADD_VETH(bar1, bar1, br-int, "192.168.2.2/24", "f0:00:00:01:02:05", \
85 ovn-nbctl lsp-add bar bar1 \
86 -- lsp-set-addresses bar1 "f0:00:00:01:02:05 192.168.2.2"
89 ovn-nbctl -- --id=@nat create nat type="dnat" logical_ip=192.168.1.2 \
90 external_ip=30.0.0.2 -- add logical_router R2 nat @nat
93 ovn-nbctl -- --id=@nat create nat type="snat" logical_ip=192.168.2.2 \
94 external_ip=30.0.0.1 -- add logical_router R2 nat @nat
96 # wait for ovn-controller to catch up.
97 OVS_WAIT_UNTIL([ovs-ofctl dump-flows br-int | grep ct\( | grep nat])
99 # 'alice1' should be able to ping 'foo1' directly.
100 NS_CHECK_EXEC([alice1], [ping -q -c 3 -i 0.3 -w 2 192.168.1.2 | FORMAT_PING], \
102 3 packets transmitted, 3 received, 0% packet loss, time 0ms
105 # North-South DNAT: 'alice1' should also be able to ping 'foo1' via 30.0.0.2
106 NS_CHECK_EXEC([alice1], [ping -q -c 3 -i 0.3 -w 2 30.0.0.2 | FORMAT_PING], \
108 3 packets transmitted, 3 received, 0% packet loss, time 0ms
111 # Check conntrack entries.
112 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(172.16.1.2) | \
113 sed -e 's/zone=[[0-9]]*/zone=<cleared>/'], [0], [dnl
114 icmp,orig=(src=172.16.1.2,dst=30.0.0.2,id=<cleared>),reply=(src=192.168.1.2,dst=172.16.1.2,id=<cleared>),zone=<cleared>
117 # South-North SNAT: 'bar1' pings 'alice1'. But 'alice1' receives traffic
119 NS_CHECK_EXEC([bar1], [ping -q -c 3 -i 0.3 -w 2 172.16.1.2 | FORMAT_PING], \
121 3 packets transmitted, 3 received, 0% packet loss, time 0ms
124 # We verify that SNAT indeed happened via 'dump-conntrack' command.
125 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(30.0.0.1) | \
126 sed -e 's/zone=[[0-9]]*/zone=<cleared>/'], [0], [dnl
127 icmp,orig=(src=192.168.2.2,dst=172.16.1.2,id=<cleared>),reply=(src=172.16.1.2,dst=30.0.0.1,id=<cleared>),zone=<cleared>
130 # Add static routes to handle east-west NAT.
131 ovn-nbctl lr-route-add R1 30.0.0.0/24 20.0.0.2
133 # Flush conntrack entries for easier output parsing of next test.
134 AT_CHECK([ovs-appctl dpctl/flush-conntrack])
136 # East-west DNAT and SNAT: 'bar1' pings 30.0.0.2. 'foo1' receives it.
137 NS_CHECK_EXEC([bar1], [ping -q -c 3 -i 0.3 -w 2 30.0.0.2 | FORMAT_PING], \
139 3 packets transmitted, 3 received, 0% packet loss, time 0ms
142 # As we have a static route that sends all packets with destination
143 # 30.0.0.2 to R2, it hits the DNAT rule and converts 30.0.0.2 to 192.168.1.2
144 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(30.0.0.2) | \
145 sed -e 's/zone=[[0-9]]*/zone=<cleared>/'], [0], [dnl
146 icmp,orig=(src=192.168.2.2,dst=30.0.0.2,id=<cleared>),reply=(src=192.168.1.2,dst=192.168.2.2,id=<cleared>),zone=<cleared>
149 # As we have a SNAT rule that converts 192.168.2.2 to 30.0.0.1, the source is
150 # SNATted and 'foo1' receives it.
151 AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(30.0.0.1) | \
152 sed -e 's/zone=[[0-9]]*/zone=<cleared>/'], [0], [dnl
153 icmp,orig=(src=192.168.2.2,dst=192.168.1.2,id=<cleared>),reply=(src=192.168.1.2,dst=30.0.0.1,id=<cleared>),zone=<cleared>
156 OVS_APP_EXIT_AND_WAIT([ovn-controller])
159 OVS_APP_EXIT_AND_WAIT([ovsdb-server])
162 OVS_APP_EXIT_AND_WAIT([ovsdb-server])
165 OVS_APP_EXIT_AND_WAIT([ovn-northd])
168 OVS_TRAFFIC_VSWITCHD_STOP(["/failed to query port patch-.*/d"])