Open Stack

Excerpts from Dean Troyer's message of 2015-10-05 11:18:55 -0500:
> On Mon, Oct 5, 2015 at 11:03 AM, Doug Hellmann <doug at doughellmann.com>
> wrote:
> 
> > Devstack should also look at using the shell output formatter,
> > especially for show commands. Combining that formatter with eval means
> > no parsing in a lot of cases.
> >
> 
> It may in places, but it turns out the 'value' formatter is most useful,
> especially in the get_or_create_* functions where you really only need a
> single value, avoids an eval or extra subshell.
> 
>     group_id=$(
>         # Creates new group with --or-show
>         openstack --os-token=$OS_TOKEN --os-url=$os_url \
>             --os-identity-api-version=3 group create $1 \
>             --domain $2 --description "$desc" --or-show \
>             -f value -c id
>     )
>     echo $group_id
> 
> dt
> 

Yep, that's another good tip.

Doug