[Bro] careful w/ myricom plugin switchover on cluster

Mike Dopheide dopheide at gmail.com
Wed Sep 27 13:12:29 PDT 2017


This is just a heads-up for anyone using the myricom plugin that was
shipped with Bro who is getting ready to upgrade and switch to the
bro-pkg'd version.  This is an upcoming change that Seth mentioned at

Long story short, if you're going to do that, wait just a little bit or let
me know and I'll help with some details.  It caused our cluster to be down
for several hours while we figured it out and I'd hate for others to have
to debug it again.

We think we've identified a bug in one of the core distributed cmake files
that causes plugins to create a symlink in the installed build environment
back to the .bro-pkg directory.  The result of this is when you push Bro to
the cluster w/ 'broctl deploy', the plugin breaks on the workers.  We
haven't noticed the issue with anything other than the myricom plugin, but
I believe it could impact others.

(Shout out to Sam Oehlert @ ESnet that figured out the make file issue was
in the Bro core and not part of the plugin itself!)

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