[CentOS-devel] Atomic SIG: discussion about kubernetes-node in downstream image

Jason Brooks

jbrooks at redhat.com
Tue Dec 13 19:12:05 UTC 2016

On Tue, Dec 13, 2016 at 9:25 AM, Jason Brooks <jbrooks at redhat.com> wrote:
> On Tue, Dec 13, 2016 at 9:12 AM, Colin Walters <walters at verbum.org> wrote:
>> On Tue, Dec 6, 2016, at 12:55 PM, Jason Brooks wrote:
>>> I want to discuss diverging from RHEL AH by not including the
>>> kubernetes-node pkg in our downstream image. This would allow users to
>>> install a newer version of the kubernetes-node, such as this 1.4.5
>>> version from my copr[3] that I hope to see move into the virt-sig
>>> soon.
>> Right.  The disadvantage to this is...that people who have masters set
>> up for 1.3 will need to use layering or a container for node.
> If anyone wants a 1.3 master after downstream is released, they'll
> need to use containers to run it, because we're shipping kube 1.2
> right now, and we're set not to include the 1.3 master components in
> the next downstream.

If might make sense instead to put etcd flannel and kube-master back
in, so as not to disrupt people who are using them. We do have the
option of the alpha branch for those who want a stripped down host.

> If we roll the 1.3 kubelet into the image, people could still run a
> newer kubelet, but they'd have to use a container or separate binary
> to do it.
> Maybe it's not worth diverging at this point, but since the aims of
> RHEL AH and of CentOS AH are somewhat different, esp wrt kubernetes,
> which is now supported only in single node mode for RHEL AH, it's not
> crazy for the package sets we deploy to be different. The actual rpms
> wouldn't be diverging, just the selection of them.
>> I'm uncertain, because it seems like a major point of CentOS Core
>> builds is fidelity, even bug-for-bug, and this is a major difference.
>> To be clear, you're just talking about -node, not etcd/flannel for example?
> Right.
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