Devops question: freebsd-update needs a real tty to run, problem for automation

From: Craig Rodrigues <rodrigc_at_FreeBSD.org>
Date: Tue, 13 Jan 2015 15:11:31 -0800
Hi,

Ahmed Kamal, a devops expert, is helping me to script the steps to
upgrade a cluster of FreeBSD machines.  For certain machines,
we want to track the official FreeBSD releases and use freebsd-update
to install official updates.

We found that when the invocation of freebsd-update was scripted
and not run via a real tty, we can into this error:

"freebsd-update fetch should not be run non-interactively."

There are various workarounds mentioned on various web pages.
However, should we modify freebsd-update so that it can work better
when not run via a real tty?  This would make it more devops/automation
friendly.

The closest thing I have found is "freebsd-update cron", which can fetch
the updates and run without a real tty.  The only problem with
"freebsd-update cron"
is that it sleeps a random amount of time between 1 and 3600 seconds before
fetching the updates.  This is OK when run in a cron job,
but not OK when run as part of a devops automation framework.

Anybody have ideas as to the best way to proceed in fixing this in
freebsd-update?
--
Craig
Received on Tue Jan 13 2015 - 22:11:34 UTC

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