[Buildbot] #3089: run ansible on service hosts on a crontask

[Buildbot trac]

#3089: run ansible on service hosts on a crontask
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Reporter:  dustin       |      Owner:  dustin
    Type:  enhancement  |     Status:  new
Priority:  major        |  Milestone:  sys - on-bb-infra
 Version:  0.8.9        |   Keywords:
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 This should use ansible-pull to pull the repo and run Ansible.

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Ticket URL: <http://trac.buildbot.net/ticket/3089>
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Buildbot: build/test automation