Re: [MirageOS-devel] irmin + mirage-vnetif + alcotest + good ol' arp

[Thomas Gazagnaire <thomas@xxxxxxxxxxxxxx>]

> I'm not that far into doing anything interesting with this pile of code, but 
> I wanted to solicit your thoughts and feedback given all the mumbling and 
> general noise-making about testing we've been doing.
> 
> Thanks for your consideration and support. :)

That's awesome!

I haven't checked the code yet, but is the mapping bi-directionnal, i.e. can 
you modify the ARP table in the Git repository, commit and then it's picked up 
by the ARP code? If yes, a good way to stress test the system is to (1) 
generate a big history of stuff and (2) use git reset --hard to revert to 
arbitrary points in the past (which are supposed to be consistent) and check 
that nothing breaks badly (this is a good test for intermediate caches for 
instances). In a distributed settings, if you keep track of the state of 
multiple unikernels, you can try to verify that global invariants (involving 
multiple unikernels) still hold.

Not related to testing, but that would be cool to find a clever use for git 
pull/push between unikernels (replacing ARP broadcast maybe?)

Thomas
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