[keycloak-user] kubernetes discovery protocol for JGroups

[Meissa M'baye Sakho]

Thank you graham.
In my case, It's working with the DNS_PING, but I wanted to know the
options I had with that option.
Meissa

Le mar. 30 oct. 2018 à 16:58, Graham Burgess <graham.burgess at razer.com> a
écrit :

> Meissa,
>
> I believe the difference is in how it gets the data about the instances in
> the cluster. DNS_PING obviously will use DNS, in a Kubernetes env you will
> want to setup a headless service for that so it gets all the IPs for all
> the instances. As for KUBE_PING, well that uses the Kubernetes API directly
> to determine the IPs of the instances.
>
> I run vanilla Kubernetes clusters so I don't know how the difference with
> OS will effect my beliefs. However, I would probably recommend just using
> DNS_PING and making sure that there is a headless service as well as a
> normal service for Keycloak. It would seem to be the more generic method
> for sure.
>
> Best regards,
> Graham Burgess
> RΛZΞR|stormmore
> Sr. DevOps Engineer (USA)
> Email: graham.burgess at razer.com
> DID: (415) 374 0639
> Razer Inc. Stock Code: 1337.HK
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> -----Original Message-----
> From: keycloak-user-bounces at lists.jboss.org <
> keycloak-user-bounces at lists.jboss.org> On Behalf Of Meissa M'baye Sakho
> Sent: Tuesday, October 30, 2018 3:56 AM
> To: keycloak-user <keycloak-user at lists.jboss.org>
> Subject: [keycloak-user] kubernetes discovery protocol for JGroups
>
> Hello everyone,
> Can someone tell me the difference between the dns.DNS_PING and
> kubernetes.KUBE_PING protocols that we could use to enable keycloak
> clustering?
> It seems like both of them could be used in a kubernetes environment but I
> can't see a documentation clearly explaining the difference between them.
> I would like to knwo which one is relevant in a openshift environnement
> which one is in a non openshift environnement.
> The official githup repo [1] does not say a lot about that?
> [1]=https://github.com/jgroups-extras/jgroups-kubernetes/
> Regards,
> Meissa
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