[Buildbot] #3046: set up mx.buildbot.net with Ansible

[Buildbot trac]

#3046: set up mx.buildbot.net with Ansible
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Reporter:  dustin   |       Owner:
    Type:  task     |      Status:  new
Priority:  major    |   Milestone:  sys - on-bb-infra
 Version:           |  Resolution:
Keywords:  ansible  |
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Comment (by sa2ajj):

 Do we have a jail already?  It's not listed in the
 [https://github.com/buildbot/buildbot-infra/blob/master/docs/hardware.txt
 docs].

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Ticket URL: <http://trac.buildbot.net/ticket/3046#comment:3>
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