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Hi, Dmitry.
I also would like to add `set -o pipefail` to the list as in a fantastic
Youtube talk  'The Functional Tao of Bash - Garrett Smith'[0].

[0] https://www.youtube.com/watch?v=yD2ekOEP9sU

On Tue, Jan 26, 2016 at 1:09 PM, Dmitry Bilunov <dbilunov at mirantis.com>
wrote:

> Hello.
>
> Recently we had a typo[1], which caused BVT random failures. We have a
> script
> setting up mcollective configuration file that is called
> (sequentially) from rc.local
> after another script, which makes sure that network interfaces are named
> in an
> expected way.
> This typo rendered the renaming procedure slow, leaving mcollective
> unconfigured for
> a while. Depending on random events, these events made tests to fail
> without
> exposing the root cause in the logs, so it took much time to deal with it.
>
> We can possibly avoid such situations by declaring "set -eu" in our
> bash scripts.
> It raises two issues:
> 1. set -u is a bashism;
> 2. scripts need to be refactored to work with set -eu.
>
> [1]
> https://review.openstack.org/#/c/271748/1/contrib/fuel_bootstrap/files/trusty/usr/share/initramfs-tools/hooks/netifnames
>
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-- 

Kind Regards,

Alexandr Kostrikov,

Mirantis, Inc.

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