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test: add test for ntp client

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This commit is contained in:
Mattias Walström
2024-12-03 16:29:28 +01:00
parent fffe427497
commit 7334d0e54b
9 changed files with 265 additions and 4 deletions
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test/case/ietf_system/Readme.adoc
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@@ -16,3 +16,5 @@ include::timezone_utc_offset/Readme.adoc[]
include::ssh_key_authentication/Readme.adoc[]
include::upgrade/Readme.adoc[]
include::ntp_client/Readme.adoc[]
test/case/ietf_system/ietf_system.yaml
+3
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@@ -16,3 +16,6 @@
- name: ssh_key_authentication
case: ssh_key_authentication/test.py
- name: ntp_client
case: ntp_client/test.py
test/case/ietf_system/ntp_client/Readme.adoc
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@@ -0,0 +1,24 @@
=== Simple NTP client test
==== Description
Verify NTP client to multiple NTP servers and verify that one get selected
==== Topology
ifdef::topdoc[]
image::../../test/case/ietf_system/ntp_client/topology.svg[Simple NTP client test topology]
endif::topdoc[]
ifndef::topdoc[]
ifdef::testgroup[]
image::ntp_client/topology.svg[Simple NTP client test topology]
endif::testgroup[]
ifndef::testgroup[]
image::topology.svg[Simple NTP client test topology]
endif::testgroup[]
endif::topdoc[]
==== Test sequence
. Set up topology and attach to target DUT
. Configure NTP client on 'target'
. Verify one source is in 'selected' state on 'target'
<<<
test/case/ietf_system/ntp_client/test.py
Executable
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@@ -0,0 +1,109 @@
#!/usr/bin/env python3
"""
Basic NTP client test
Verify NTP client with multiple servers, ensure one get selected.
"""
import infamy
import infamy.ntp_server as ntp_server
import infamy.ntp as ntp
import infamy.util as util
def config_target(dut, data1, data2, data3):
dut.put_config_dicts({
"ietf-interfaces": {
"interfaces": {
"interface": [
{
"name": data1,
"enabled": True,
"ipv4": {
"address": [{
"ip": "192.168.1.2",
"prefix-length": 24
}]
}
},
{
"name": data2,
"enabled": True,
"ipv4": {
"address": [{
"ip": "192.168.2.2",
"prefix-length": 24
}]
}
},
{
"name": data3,
"enabled": True,
"ipv4": {
"address": [{
"ip": "192.168.3.2",
"prefix-length": 24
}]
}
}]
}
},
"ietf-system": {
"system": {
"ntp": {
"enabled": True,
"server": [{
"name": "Server1",
"udp": {
"address": "192.168.1.1"
},
"iburst": True
},{
"name": "Server2",
"udp": {
"address": "192.168.2.1"
},
"iburst": True
},{
"name": "Server3",
"udp": {
"address": "192.168.3.1"
},
"iburst": True
}]
}
}
}
})
with infamy.Test() as test:
with test.step("Set up topology and attach to target DUT"):
env = infamy.Env()
target = env.attach("target", "mgmt")
with test.step("Configure NTP client on 'target'"):
_, data1 = env.ltop.xlate("target", "data1")
_, data2 = env.ltop.xlate("target", "data2")
_, data3 = env.ltop.xlate("target", "data3")
config_target(target, data1, data2, data3)
_, hport1 = env.ltop.xlate("host", "data1")
_, hport2 = env.ltop.xlate("host", "data2")
_, hport3 = env.ltop.xlate("host", "data3")
with infamy.IsolatedMacVlan(hport1) as ns1, \
infamy.IsolatedMacVlan(hport2) as ns2, \
infamy.IsolatedMacVlan(hport3) as ns3:
ns1.addip("192.168.1.1")
ns2.addip("192.168.2.1")
ns3.addip("192.168.3.1")
with ntp_server.Server(ns1) as ntp1, \
ntp_server.Server(ns2) as ntp2, \
ntp_server.Server(ns3) as ntp3:
with test.step("Verify one source is in 'selected' state on 'target'"):
util.until(lambda: ntp.any_source_selected(target), attempts=200)
with test.step("Verify three sources exist in NTP client on 'target'"):
assert(ntp.number_of_sources(target) == 3)
test.succeed()
test/case/ietf_system/ntp_client/topology.dot
Symlink
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@@ -0,0 +1 @@
../../../infamy/topologies/1x4.dot
test/case/ietf_system/ntp_client/topology.svg
+60
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@@ -0,0 +1,60 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- Title: 1x4 Pages: 1 -->
<svg width="440pt" height="101pt"
viewBox="0.00 0.00 440.03 101.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 97)">
<title>1x4</title>
<polygon fill="white" stroke="transparent" points="-4,4 -4,-97 436.03,-97 436.03,4 -4,4"/>
<!-- host -->
<g id="node1" class="node">
<title>host</title>
<polygon fill="none" stroke="black" points="0,-0.5 0,-92.5 108,-92.5 108,-0.5 0,-0.5"/>
<text text-anchor="middle" x="25" y="-42.8" font-family="DejaVu Sans Mono, Book" font-size="14.00">host</text>
<polyline fill="none" stroke="black" points="50,-0.5 50,-92.5 "/>
<text text-anchor="middle" x="79" y="-77.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">mgmt</text>
<polyline fill="none" stroke="black" points="50,-69.5 108,-69.5 "/>
<text text-anchor="middle" x="79" y="-54.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data1</text>
<polyline fill="none" stroke="black" points="50,-46.5 108,-46.5 "/>
<text text-anchor="middle" x="79" y="-31.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data2</text>
<polyline fill="none" stroke="black" points="50,-23.5 108,-23.5 "/>
<text text-anchor="middle" x="79" y="-8.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data3</text>
</g>
<!-- target -->
<g id="node2" class="node">
<title>target</title>
<polygon fill="none" stroke="black" points="308.03,-0.5 308.03,-92.5 432.03,-92.5 432.03,-0.5 308.03,-0.5"/>
<text text-anchor="middle" x="337.03" y="-77.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">mgmt</text>
<polyline fill="none" stroke="black" points="308.03,-69.5 366.03,-69.5 "/>
<text text-anchor="middle" x="337.03" y="-54.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data1</text>
<polyline fill="none" stroke="black" points="308.03,-46.5 366.03,-46.5 "/>
<text text-anchor="middle" x="337.03" y="-31.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data2</text>
<polyline fill="none" stroke="black" points="308.03,-23.5 366.03,-23.5 "/>
<text text-anchor="middle" x="337.03" y="-8.3" font-family="DejaVu Sans Mono, Book" font-size="14.00">data3</text>
<polyline fill="none" stroke="black" points="366.03,-0.5 366.03,-92.5 "/>
<text text-anchor="middle" x="399.03" y="-42.8" font-family="DejaVu Sans Mono, Book" font-size="14.00">target</text>
</g>
<!-- host&#45;&#45;target -->
<g id="edge1" class="edge">
<title>host:mgmt&#45;&#45;target:mgmt</title>
<path fill="none" stroke="cornflowerblue" stroke-width="2" d="M108,-81.5C108,-81.5 308.03,-81.5 308.03,-81.5"/>
</g>
<!-- host&#45;&#45;target -->
<g id="edge2" class="edge">
<title>host:data1&#45;&#45;target:data1</title>
<path fill="none" stroke="black" stroke-width="2" d="M108,-58.5C108,-58.5 308.03,-58.5 308.03,-58.5"/>
</g>
<!-- host&#45;&#45;target -->
<g id="edge3" class="edge">
<title>host:data2&#45;&#45;target:data2</title>
<path fill="none" stroke="black" stroke-width="2" d="M108,-34.5C108,-34.5 308.03,-34.5 308.03,-34.5"/>
</g>
<!-- host&#45;&#45;target -->
<g id="edge4" class="edge">
<title>host:data3&#45;&#45;target:data3</title>
<path fill="none" stroke="black" stroke-width="2" d="M108,-11.5C108,-11.5 308.03,-11.5 308.03,-11.5"/>
</g>
</g>
</svg>
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test/infamy/ntp.py
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@@ -0,0 +1,38 @@
"""
NTP client helper
"""
def _get_ntp(target):
xpath = "/ietf-system:system-state/infix-system:ntp"
data = target.get_data(xpath)
if data is None:
return None
return data["system-state"].get("infix-system:ntp", None) or data["system-state"].get("ntp", None)
def _get_ntp_sources(target):
ntp = _get_ntp(target)
if ntp is None:
return []
return ntp["sources"]["source"]
def any_source_selected(target):
sources = _get_ntp_sources(target)
for source in sources:
if source["state"] == "selected":
return True
return False
def number_of_sources(target):
sources = _get_ntp_sources(target)
return len(sources)
test/infamy/ntp_server.py
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@@ -0,0 +1,24 @@
"""Start NTP server in the background"""
import subprocess
class Server:
def __init__(self, netns, iface="iface"):
self.iface = iface
self.process = None
self.netns = netns
def __enter__(self):
self.start()
def __exit__(self, _, __, ___):
self.stop()
def start(self):
cmd=f"ntpd -w -n -l -I {self.iface}"
self.process = self.netns.popen(cmd.split(" "),stderr=subprocess.DEVNULL)
def stop(self):
if self.process:
self.process.terminate()
self.process.wait()
self.process = None
test/infamy/topologies/1x4.dot
+4 -4
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@@ -7,20 +7,20 @@ graph "1x4" {
edge [color="cornflowerblue", penwidth="2", fontname="DejaVu Serif, Book"];
host [
label="host | { <tgt> tgt | <data0> data0 | <data1> data1 | <data2> data2 }",
label="host | { <mgmt> mgmt | <data1> data1 | <data2> data2 | <data3> data3 }",
pos="0,12!",
kind="controller",
];
target [
label="{ <mgmt> mgmt | <data0> data0 | <data1> data1 | <data2> data2 } | target",
label="{ <mgmt> mgmt | <data1> data1 | <data2> data2 | <data3> data3 } | target",
pos="10,12!",
kind="infix",
];
host:tgt -- target:mgmt [kind=mgmt]
host:data0 -- target:data0 [color=black]
host:mgmt -- target:mgmt [kind=mgmt]
host:data1 -- target:data1 [color=black]
host:data2 -- target:data2 [color=black]
host:data3 -- target:data3 [color=black]
}