Den 2017-07-16 kl. 21:11, skrev Alan Somers:
On Sun, Jul 16, 2017 at 2:44 PM, Panagiotes Mousikides
<pagg...@yandex.com> wrote:
Hello everybody!
I am working on adding tests to the FreeBSD test suite for testing pf, the
network packet filter.
These tests need at least two machines running and connected to each other,
with one machine generating network traffic and the other running pf and
filtering the traffic. I am looking for a way to fire off a bhyve instance
to serve as the second machine, the first being the actual machine I am
running the tests on. This should be done completely automatically, with
scripts to configure all network interfaces and to preferably also set up an
SSH server on the bhyve instance.
This bhyve instance could start off as running the latest stable version of
FreeBSD, or it could be configured to run a snapshot of the development
tree. The aim is to have the desired version of FreeBSD that we want to
test running on it. Ideally this would be done in such a way that we can
reuse the machine for further tests, instead of rebuilding everything from
scratch for each test.
What I am looking for is the best way to do this, preferably so that it can
be easily integrated into the CI work being done at Jenkins. What do you
think? Any input is welcome!
All the best,
Panagiotes
It's possible to setup CI systems that involve multiple machines
networked together. I've done it. But it's complicated, fragile, and
slow. I advise you to consider very carefully whether you truly need
multiple VMs. What about creating an epair(4)? You could run pf on
epair0b and generate traffic from epair0a. That would be faster than
spinning up VMs, and would be very easy to integrate into any other CI
system. Would that work?
-Alan
Hi Alan!
Thank you for the tip about epair(4), it sounds really like an
interesting approach to my problem. I will look into it!
Best regards,
Panagiotes
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