[openstack-dev] [ironic] using ironic as a replacement for existing datacenter baremetal provisioning

Joshua Harlow harlowja at fastmail.com
Thu Jun 9 19:00:51 UTC 2016

Jay Pipes wrote:
> On 06/07/2016 02:34 PM, Joshua Harlow wrote:
>> I'll work on this list, as some folks that are trying start to try to
>> connect ironic (IMHO without nova, because well kubernetes is enough
>> like nova that there isn't a need for 2-layers of nova-like-systems at
>> that point) into kubernetes as a 'resource provider'. I'm sure
>> attempting to do that will expose a bunch of specific recommendations
>> soon enough.
> Good luck with that.

Thank you very much for the blessings sir jay ;)

> I think you'll find that all of the things that the Nova community has
> spent the last 4 years working on for the "enterprise" pet VMs,
> supporting NFV/network I/O-sensitive workloads with NUMA affinity and L2
> networking constraints, and non-12-factor-app-from-the-start things are
> going to want to be addressed in k8s [1].
> I won't at all be surprised to see the k8s community three years from
> now be where Nova is right now with regards to supporting these terrible
> stateful applications.

Ya, there will always be this 'temptation' and I know it's hard to 
resist, there is always a temptress in the room, this is always one of 
those :-P

> k8s and mesos are all nice and hot right now, as is anything
> container-related. Just because something is trendy and hot, however,
> does not suddenly make the problem domains that more traditional
> stateful applications find themselves in magically disappear.
> Best,
> -jay
> [1] https://github.com/kubernetes/kubernetes/issues/260
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