John-
You're not the only one for whom the transition to systemd has been
painful.
However...
It *is* possible (some would argue just as easy) to do all things with
systemd that were done with screen.
For starters, have you seen [1] ?
Though looking at that again, I realize it could use a section on how
to do pdb - I'll propose something for that. In the meantime, feel free
to find me in #openstack-dev and I can talk you through it.
[1] https://docs.openstack.org/devstack/latest/systemd.html
Thanks,
Eric Fried (efried)
On 09/07/2017 12:34 PM, John Griffith wrote:
>
>
> On Thu, Sep 7, 2017 at 11:29 AM, John Griffith <john.griffi...@gmail.com
> <mailto:john.griffi...@gmail.com>> wrote:
>
> 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?
>
> Thanks,
> John
>
> On Thu, Sep 7, 2017 at 7:31 AM, Davanum Srinivas <dava...@gmail.com
> <mailto:dava...@gmail.com>> wrote:
>
> w00t!
>
> On Thu, Sep 7, 2017 at 8:45 AM, Sean Dague <s...@dague.net
> <mailto:s...@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/
> <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 like
> >> grenade during Pike). Tests are currently passing on all the
> gating jobs
> >> 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 see
> >> 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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> FWIW I realize my opinion doesn't count here particularly since this
> already merged, BUT I also realize that it didn't count before it merged
> either as the response I was given was "I don't use debuggers". It's
> unfortunate, perhaps I'm really the only one that has counter opinions
> on things, or maybe nobody else wants to speak up, or maybe just nobody
> cares. Either way, it's a bit of a bummer and just another thing on the
> list.
>
>
>
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