[magnum] Kubernetes cluster issue

Bharat Kunwar bharat at stackhpc.com
Tue Nov 19 16:37:34 UTC 2019

Hi Namrata,

This is a known issue being tracked under this story: https://storyboard.openstack.org/#!/story/2006846 <https://storyboard.openstack.org/#!/story/2006846>

As I said before on IRC, the only known fix at the moment is to run Magnum Train with `use_podman=true` label. The solution for atomic is actively being investigated.



> On 19 Nov 2019, at 16:06, Namrata Sitlani <nsitlani03 at gmail.com> wrote:
> Hello Folks,
> From Thursday last week (Nov 14), Magnum is unable to spin up working Kubernetes clusters. We run on Rocky Openstack release.
> All our Kubernetes pods show CrashLoopBackOff status.
> We use the following commands to create the Kubernetes clusters : http://paste.openstack.org/show/786348/ <http://paste.openstack.org/show/786348/> .
> The deployment fails with the following output : http://paste.openstack.org/show/786287/ <http://paste.openstack.org/show/786287/>.
> We tried deploying Kubernetes v1.13.12, v1.14.8, v1.15.5 and v1.16.2 without success. However, if we use version v1.14.6 we can successfully deploy our clusters. 
> Unfortunately, we cannot use v1.14.6 in production because it is not patched for the CVE-2019-11253 vulnerability .
> Since this stopped working for us on Thursday, we think that the image update https://hub.docker.com/r/openstackmagnum/kubernetes-apiserver/tags <https://hub.docker.com/r/openstackmagnum/kubernetes-apiserver/tags> done 6 days ago is the culprit.
> (We previously deployed clusters with versions v1.15.5 and v1.14.8 successfully.)
> Can you please confirm our findings and help us find a way forward? We can provide more logs if needed.
> Thank you very much,
> Namrata Sitlani

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