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test/case: add bridge forwarding tests (single-DUT, dual-DUT, VLAN separation)

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This commit is contained in:
Ahmed Karic
2023-08-16 13:51:00 +02:00
committed by Tobias Waldekranz
parent fc7d212696
commit 7432ff10aa
7 changed files with 475 additions and 3 deletions
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test/case/infix_interfaces/all.yaml
+3 -1
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@@ -4,4 +4,6 @@
- case: dual_bridge.py
- case: bridge_vlan.py
- case: ipv4_autoconf.py
- case: bridge_fwd_sgl_dut.py
- case: bridge_fwd_dual_dut.py
- case: bridge_vlan_separation.py
test/case/infix_interfaces/bridge_fwd_dual_dut.py
Executable
+150
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@@ -0,0 +1,150 @@
#!/usr/bin/env python3
# ,-------------------------------------, ,-------------------------------------,
# | dut1:data2 | | dut2:data2 |
# | br0 ----------|-------|--------- br0 |
# | / \ | | / \ |
# |dut1:mgmt dut1:data0 dut1:data1 | | dut2:data0 dut2:data1 dut2:mgmt |
# '-------------------------------------' '-------------------------------------'
# | | | | | |
# | | | | | |
# ,-----------------------------------------------------------------------------------------,
# | host:mgmt0 host:data0 host:data1 host:data2 host:data3 host:mgmt1 |
# | [10.0.0.2] [10.0.0.3] [10.0.0.4] |
# | (ns11) (ns20) (ns21) |
# | |
# | [ HOST ] |
# '-----------------------------------------------------------------------------------------'
import infamy
with infamy.Test() as test:
with test.step("Initialize"):
env = infamy.Env(infamy.std_topology("2x4"))
dut1 = env.attach("dut1", "mgmt")
dut2 = env.attach("dut2", "mgmt")
with test.step("Configure a bridge with triple physical port"):
_, tport10 = env.ltop.xlate("dut1", "data0")
_, tport11 = env.ltop.xlate("dut1", "data1")
_, tport12 = env.ltop.xlate("dut1", "data2")
_, tport20 = env.ltop.xlate("dut2", "data0")
_, tport21 = env.ltop.xlate("dut2", "data1")
_, tport22 = env.ltop.xlate("dut2", "data2")
dut1.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": "br0",
"type": "iana-if-type:bridge",
"enabled": True,
"bridge": {
"vlans": {
"vlan": [
{
"vid": 10,
"untagged": [ tport10, tport11 ],
"tagged": [ "br0", tport12 ]
}
]
}
}
},
{
"name": tport10,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport11,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport12,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0",
}
}
]
}
})
dut2.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": "br0",
"type": "iana-if-type:bridge",
"enabled": True,
"bridge": {
"vlans": {
"vlan": [
{
"vid": 10,
"untagged": [ tport20, tport21 ],
"tagged": [ "br0", tport22 ]
}
]
}
}
},
{
"name": tport20,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport21,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport22,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0",
}
}
]
}
})
with test.step("Ping host:data20 [10.0.0.3] and host:data21 [10.0.0.4]"\
"from host:data11 [10.0.0.2]"):
_, hport11 = env.ltop.xlate("host", "data11")
_, hport20 = env.ltop.xlate("host", "data20")
_, hport21 = env.ltop.xlate("host", "data21")
with infamy.IsolatedMacVlan(hport11) as ns11, \
infamy.IsolatedMacVlan(hport20) as ns20, \
infamy.IsolatedMacVlan(hport21) as ns21:
ns11.addip("10.0.0.2")
ns20.addip("10.0.0.3")
ns21.addip("10.0.0.4")
ns11.must_reach("10.0.0.3")
ns11.must_reach("10.0.0.4")
test.succeed()
test/case/infix_interfaces/bridge_fwd_sgl_dut.py
Executable
+69
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@@ -0,0 +1,69 @@
#!/usr/bin/env python3
# ,-----------------------------------------,
# | |
# | br0 |
# | / \ |
# | target:mgmt tgt:data0 tgt:data1 |
# '-----------------------------------------'
# | | |
# | | |
# ,------------------------------------------,
# | host:mgmt host:data0 host:data1 |
# | [10.0.0.1] [10.0.0.2] |
# | (ns0) (ns1) |
# | |
# | [ HOST ] |
# '------------------------------------------'
import infamy
with infamy.Test() as test:
with test.step("Initialize"):
env = infamy.Env(infamy.std_topology("1x3"))
target = env.attach("target", "mgmt")
with test.step("Configure a bridge with dual physical port"):
_, tport0 = env.ltop.xlate("target", "data0")
_, tport1 = env.ltop.xlate("target", "data1")
target.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": "br0",
"type": "iana-if-type:bridge",
"enabled": True,
},
{
"name": tport0,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0"
}
},
{
"name": tport1,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0"
}
}
]
}
})
with test.step("Ping host:data1 [10.0.0.2] from host:data0 [10.0.0.1]"):
_, hport0 = env.ltop.xlate("host", "data0")
_, hport1 = env.ltop.xlate("host", "data1")
with infamy.IsolatedMacVlan(hport0) as ns0, \
infamy.IsolatedMacVlan(hport1) as ns1 :
ns1.addip("10.0.0.2")
ns0.addip("10.0.0.1")
ns0.must_reach("10.0.0.2")
test.succeed()
test/case/infix_interfaces/bridge_vlan_separation.py
Executable
+168
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@@ -0,0 +1,168 @@
#!/usr/bin/env python3
# ,-------------------------------------, ,-------------------------------------,
# | dut1:data2 | | dut2:data2 |
# | br0 ----------|-------|--------- br0 |
# | / \ | | / \ |
# |dut1:mgmt dut1:data0 dut1:data1 | | dut2:data0 dut2:data1 dut2:mgmt |
# '-------------------------------------' '-------------------------------------'
# | | | | | |
# | | | | | |
# ,-----------------------------------------------------------------------------------------,
# | host:mgmt0 host:data0 host:data1 host:data2 host:data3 host:mgmt1 |
# | [10.0.0.1] [10.0.0.2] [10.0.0.3] [10.0.0.4] |
# | (ns10) (ns11) (ns20) (ns21) |
# | |
# | [ HOST ] |
# '-----------------------------------------------------------------------------------------'
import infamy
with infamy.Test() as test:
with test.step("Initialize"):
env = infamy.Env(infamy.std_topology("2x4"))
dut1 = env.attach("dut1", "mgmt")
dut2 = env.attach("dut2", "mgmt")
with test.step("Configure a bridge with triple physical port"):
_, tport10 = env.ltop.xlate("dut1", "data0")
_, tport11 = env.ltop.xlate("dut1", "data1")
_, tport12 = env.ltop.xlate("dut1", "data2")
_, tport20 = env.ltop.xlate("dut2", "data0")
_, tport21 = env.ltop.xlate("dut2", "data1")
_, tport22 = env.ltop.xlate("dut2", "data2")
dut1.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": "br0",
"type": "iana-if-type:bridge",
"enabled": True,
"bridge": {
"vlans": {
"vlan": [
{
"vid": 10,
"untagged": [ tport10 ],
"tagged": [ "br0", tport12 ]
},
{
"vid": 20,
"untagged": [ tport11 ],
"tagged": [ "br0", tport12 ]
}
]
}
}
},
{
"name": tport10,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport11,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 20,
"bridge": "br0"
}
},
{
"name": tport12,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0",
}
}
]
}
})
dut2.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": "br0",
"type": "iana-if-type:bridge",
"enabled": True,
"bridge": {
"vlans": {
"vlan": [
{
"vid": 10,
"untagged": [ tport20 ],
"tagged": [ "br0", tport22 ]
},
{
"vid": 20,
"untagged": [ tport21 ],
"tagged": [ "br0", tport22 ]
}
]
}
}
},
{
"name": tport20,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 10,
"bridge": "br0"
}
},
{
"name": tport21,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"pvid": 20,
"bridge": "br0"
}
},
{
"name": tport22,
"type": "iana-if-type:ethernetCsmacd",
"enabled": True,
"infix-interfaces:bridge-port": {
"bridge": "br0",
}
}
]
}
})
with test.step("Ping host:data20 [10.0.0.3] from host:data10 [10.0.0.1] through <bridge-vlan-10>" \
" and host:data21 [10.0.0.4] from host:data11 [10.0.0.2] through <bridge-vlan-20>"):
_, hport10 = env.ltop.xlate("host", "data10")
_, hport11 = env.ltop.xlate("host", "data11")
_, hport20 = env.ltop.xlate("host", "data20")
_, hport21 = env.ltop.xlate("host", "data21")
with infamy.IsolatedMacVlan(hport10) as ns10, \
infamy.IsolatedMacVlan(hport11) as ns11, \
infamy.IsolatedMacVlan(hport20) as ns20, \
infamy.IsolatedMacVlan(hport21) as ns21:
ns10.addip("10.0.0.1")
ns11.addip("10.0.0.2")
ns20.addip("10.0.0.3")
ns21.addip("10.0.0.4")
ns10.must_reach("10.0.0.3")
ns11.must_reach("10.0.0.4")
ns10.must_not_reach("10.0.0.4")
ns11.must_not_reach("10.0.0.3")
ns10.must_not_reach("10.0.0.2")
ns11.must_not_reach("10.0.0.1")
test.succeed()
test/infamy/netns.py
+22 -2
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@@ -63,6 +63,26 @@ class IsolatedMacVlan:
args, kwargs = self._mangle_subprocess_args(args, kwargs)
return subprocess.Popen(*args, **kwargs)
def runsh(self, script):
def runsh(self, script, *args, **kwargs):
return self.run("/bin/sh", text=True, input=script,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
stdout=subprocess.PIPE, stderr=subprocess.STDOUT, *args, **kwargs)
def addip(self, addr, subnet=24):
self.runsh(f"""
set -ex
ip link set iface up
ip addr add {addr}/{subnet} dev iface
""", check=True)
def ping(self, daddr, count=1, timeout=2, check=False):
return self.runsh(f"""set -ex; ping -c {count} -w {timeout} {daddr}""", check=check)
def must_reach(self, daddr):
res = self.ping(daddr)
if res.returncode != 0:
raise Exception(res.stdout)
def must_not_reach(self, daddr):
res = self.ping(daddr)
if res.returncode == 0:
raise Exception(res.stdout)
test/infamy/topologies/1x3.dot
+25
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@@ -0,0 +1,25 @@
graph "1x3" {
layout="neato";
overlap="false";
esep="+20";
node [shape=record, fontname="monospace"];
edge [color="cornflowerblue", penwidth="2"];
host [
label="host | { <tgt> tgt | <data0> data0 | <data1> data1 }",
pos="0,12!",
kind="controller",
];
target [
label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | target",
pos="10,12!",
kind="infix",
];
host:tgt -- target:mgmt [kind=mgmt]
host:data0 -- target:data0
host:data1 -- target:data1
}
test/infamy/topologies/2x4.dot
+38
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@@ -0,0 +1,38 @@
graph "2x4" {
layout="neato";
overlap="false";
esep="+20";
node [shape=record, fontname="monospace"];
edge [color="cornflowerblue", penwidth="2"];
host [
label="host | { <mgmt1> mgmt1 | <data10> data10 | <data11> data11 | <mgmt2> mgmt2 | <data20> data20 | <data21> data21 }",
pos="0,15!",
kind="controller",
];
dut1 [
label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut1 | { <data2> data2 }",
pos="10,18!",
kind="infix",
];
dut2 [
label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 } | dut2 | { <data2> data2 }",
pos="10,12!",
kind="infix",
];
host:mgmt1 -- dut1:mgmt [kind=mgmt]
host:data10 -- dut1:data0
host:data11 -- dut1:data1
host:mgmt2 -- dut2:mgmt [kind=mgmt]
host:data20 -- dut2:data0
host:data21 -- dut2:data1
dut1:data2 -- dut2:data2
}