You can read more here

https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/

Le mar. 18 juin 2019 à 10:44, William Brown <wbr...@suse.de> a écrit :

>
>
> > On 17 Jun 2019, at 16:25, Olivier JUDITH <gnu...@gmail.com> wrote:
> >
> > From my understanding readiness operates when the pod starts.
> > If it doesn't reach the replica your pods will never initialize.
> > An option (for k8s) can be another container (in the pod)
> "389-ds-headless" which will do all the steps required to enable
> replication.
> >
> > > Okay - how does the content of secrets.yaml get sent to the process
> running in the container?
> > By files or by variables but are always present in the container.
> >
> > To enable replicas , k8s provides StatefullSet controller which is
> better to manage multiple instances/replication.
>
> Is there some documentation on this I could have a look at? It would be
> good for me to understand to help advise on this, because dynamic scaling
> of replicas is something I'd really love to see supported in k8s and
> upstream so we can provide a really good experience for people :)
>
> I think it's time for me to setup k8s at home again to learn this .....
>
> >
> > Regards
> >
> >
> > Le lun. 17 juin 2019 à 13:57, aravind gosukonda <arabha...@gmail.com> a
> écrit :
> > >
> > > Is there also a way in k8s that when an event occurs (IE a new
> container is launched in a
> > > pod) that a program can be called in existing containers? (This way we
> can automate
> > > replica addition/removal)
> > >
> > What I'm planning to do is to use readiness probes, which can be
> scripts, to handle dynamic configuration of replicas. I haven't seen any
> way that enables existing containers to know when a new container has been
> launched or an old container deleted.
> >
> > Regards,
> > Aravind G
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> —
> Sincerely,
>
> William Brown
>
> Senior Software Engineer, 389 Directory Server
> SUSE Labs
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