[openstack-dev] [magnum]swarm + compose = k8s?
Mike Spreitzer
mspreitz at us.ibm.com
Tue Sep 29 04:49:45 UTC 2015
> From: 王华 <wanghua.humble at gmail.com>
> To: "OpenStack Development Mailing List (not for usage questions)"
> <openstack-dev at lists.openstack.org>
> Date: 09/28/2015 11:34 PM
> Subject: [openstack-dev] [magnum]swarm + compose = k8s?
>
> Hi folks,
>
> Magnum now exposes service, pod, etc to users in kubernetes coe, but
> exposes container in swarm coe. As I know, swarm is only a scheduler
> of container, which is like nova in openstack. Docker compose is a
> orchestration program which is like heat in openstack. k8s is the
> combination of scheduler and orchestration. So I think it is better
> to expose the apis in compose to users which are at the same level as
k8s.
>
Why should the users be deprived of direct access to the Swarm API when it
is there?
Note also that Compose addresses more general, and differently focused,
orchestration than Kubernetes; the latter only offers homogenous scaling
groups --- which a docker-compose.yaml file can not even describe.
Regards,
Mike
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