[kolla] Support for removing previously enabled services..

Mark Goddard mark at stackhpc.com
Mon Oct 14 08:51:32 UTC 2019


On Sun, 13 Oct 2019 at 11:24, Sean Mooney <smooney at redhat.com> wrote:
>
> On Sat, 2019-10-12 at 21:01 -0400, Laurent Dumont wrote:
> > Hey!
> >
> > Not a problem - it's a big rabbit hole and I get why it's really not easy
> > to implement. It's easy to clean up containers but as you mentioned, all
> > the rest of the bits and pieces is a tough fit.

True, although simply removing the containers and load balancer
configuration would be a good start.

>
> i did add a tiny step in that direction years ago for mainly dev use
> https://github.com/openstack/kolla-ansible/commit/2ffb35ee5308ece3717263d38163e5fd9b29a3ae
> basically the tools/cleanup-containers script takes a regex of the continers to clean up as its
> first argument.
>  e.g. tools/cleanup-containers "neutron|openvswitch"
>
> that is totally a hack but it was so useful for dev.
>
>
> i belive there is already a request to limit kolla-ansible --destroy by tags

Yes - https://review.opendev.org/504592. It will need some work to get
it merged.

>
> destroy should in theory be cleanup dbs in addtion to remvoing the contianers but give
> that currently it just remvoed everything of nothing it not that useful for operator
> wanting to remvoe a deployed service.
>
> my hack when used to be an tiny ansible script that copied that tool to all host then invoked
> it the relevent regex.
>
> anywya if you jsut wasnt to do this for dev or on a small number of hosts it might help but
> keep in mind that it will not clean up the configs or dbs and it only works if no vms are runnign on the host
>
>
> >
> > Laurent
> >
> > On Sat, Oct 12, 2019 at 9:27 AM Radosław Piliszek <
> > radoslaw.piliszek at gmail.com> wrote:
> >
> > > Hi Laurent,
> > >
> > > Unfortunately Kolla Ansible does not provide this functionality at the
> > > moment.
> > > On the other hand, we would welcome such functionality gladly.
> > > It needs some discussion regarding how it would work to suit operators'
> > > needs.
> > > The interesting part is the real clean-up - e.g. removing leftovers,
> > > databases, rabbitmq objects...
> > >
> > > PS: bacon rlz
> > >
> > > Kind regards,
> > > Radek
> > >
> > >
> > > On Fri, Oct 11, 2019, 19:12 Laurent Dumont <laurentfdumont at gmail.com>
> > > wrote:
> > >
> > > > Hey everyone,
> > > >
> > > > I'm pretty sure I know the answer but are there any support within Kolla
> > > > itself to disable Services that we're previously enabled.
> > > >
> > > > For example, I was testing the Skydive Agent/Analyzer combo till I
> > > > realized that it was using about 90-100% of the CPUs or computes and
> > > > controllers.
> > > >
> > > > Re-running Kolla with reconfigure but with Service set to "No" didn't
> > > > remove the containers. I had to remove the containers after the reconfigure
> > > > finished.
> > > >
> > > > This is Kolla 8.0.1 with a Stein install.
> > > >
> > > > Thanks!
> > > >
>
>



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