[openstack-dev] removing screen from devstack - RSN
waboring at hemna.com
Thu Sep 7 17:53:48 UTC 2017
I completely agree with you here John. I still prefer to use screen for
my devstack installs, it's just far far easier to use for development.
systemd is a pain to use in comparison.
This is a major step backwards for developers.
On Thu, Sep 7, 2017 at 1:29 PM, John Griffith <john.griffith8 at gmail.com>
> Please don't, some of us have no issues with screen and use it extensively
> for debugging. Unless there's a viable option using systemd I fail to
> understand why this is such a big deal. I've been using devstack in screen
> for a long time without issue, and I still use rejoin that supposedly
> didn't work (without issue).
> I completely get the "run like customers" but in theory I'm not sure how
> screen makes it much different than what customers do, it's executing the
> same binary at the end of the day. I'd also ask then is devstack no longer
> "dev" stack, but now a preferred method of install for running production
> clouds? Anyway, I'd just ask to leave it as an option, unless there's
> equivalent options for things like using pdb etc. It's annoying enough
> that we lost that capability for the API services, is there a possibility
> we can reconsider not allowing this an option?
> On Thu, Sep 7, 2017 at 7:31 AM, Davanum Srinivas <davanum at gmail.com>
>> On Thu, Sep 7, 2017 at 8:45 AM, Sean Dague <sean at dague.net> wrote:
>> > On 08/31/2017 06:27 AM, Sean Dague wrote:
>> >> The work that started last cycle to make devstack only have a single
>> >> execution mode, that was the same between automated QA and local, is
>> >> nearing it's completion.
>> >> https://review.openstack.org/#/c/499186/ is the patch that will remove
>> >> screen from devstack (which was only left as a fall back for things
>> >> grenade during Pike). Tests are currently passing on all the gating
>> >> for it. And experimental looks mostly useful.
>> >> The intent is to merge this in about a week (right before PTG). So, if
>> >> you have a complicated devstack plugin you think might be affected by
>> >> this (and were previously making jobs pretend to be grenade to keep
>> >> screen running), now is the time to run tests against this patch and
>> >> where things stand.
>> > This patch is in the gate and now merging, and with it devstack now has
>> > a single run mode, using systemd units, which is the same between test
>> > and development.
>> > Thanks to everyone helping with the transition!
>> > -Sean
>> > --
>> > Sean Dague
>> > http://dague.net
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>> Davanum Srinivas :: https://twitter.com/dims
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