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Merge pull request #9577 from slankdev/slankdev-topotest-nsenter

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topotests: to create pid file of topotest router
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Christian Hopps 2021-09-07 06:55:25 -04:00 committed by GitHub
commit b44f7c3f6d
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26
doc/developer/topotests.rst
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@ -953,6 +953,32 @@ configuration files (per-daemon) using the following commands:
end
r1#
You can also login to the node specified by nsenter using bash, etc.
A pid file for each node will be created in the relevant test dir.
You can run scripts inside the node, or use vtysh's <tab> or <?> feature.
.. code:: shell
[unet shell]
# cd tests/topotests/srv6_locator
# ./test_srv6_locator.py --topology-only
unet> r1 show segment-routing srv6 locator
Locator:
Name ID Prefix Status
-------------------- ------- ------------------------ -------
loc1 1 2001:db8:1:1::/64 Up
loc2 2 2001:db8:2:2::/64 Up
[Another shell]
# nsenter -a -t $(cat /tmp/topotests/srv6_locator.test_srv6_locator/r1.pid) bash --norc
# vtysh
r1# r1 show segment-routing srv6 locator
Locator:
Name ID Prefix Status
-------------------- ------- ------------------------ -------
loc1 1 2001:db8:1:1::/64 Up
loc2 2 2001:db8:2:2::/64 Up
Writing Tests
"""""""""""""

4
tests/topotests/lib/topogen.py
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@ -771,6 +771,10 @@ class TopoRouter(TopoGear):
# Mount gear log directory on a common path
self.net.bind_mount(self.gearlogdir, "/tmp/gearlogdir")
# Ensure pid file
with open(os.path.join(self.logdir, self.name + ".pid"), "w") as f:
f.write(str(self.net.pid) + "\n")
def __str__(self):
gear = super(TopoRouter, self).__str__()
gear += " TopoRouter<>"