Re: Error message when exposing service with HA router

[Tony Saxon]

I think there was something that I screwed up after I did the advanced
install per the documentation. I was also having a bunch of issues with
pushing and pulling with the built in docker repository. Thinking that I
screwed up something with one of the service accounts, I blew away the
environment and redid it from scratch and everything worked fine after
that. If I'm able to reproduce the issue, I will definitely file an issue.
Thanks.

On Fri, Jul 8, 2016 at 9:29 PM, Clayton Coleman  wrote:

> The error message may be incorrect - we probably need to tone it down
> because it is not actionable in all cases.  Would you please file an issue
> regarding this with info about your router?
>
> On Jul 7, 2016, at 2:47 PM, Tony Saxon  wrote:
>
> I set up an HA router based on the docs at
> https://docs.openshift.org/latest/admin_guide/high_availability.html#admin-guide-high-availability
>
> Everything seemed to work fine, however when I exposed a deployed example
> I get an error message in the status:
>
> [root@oso-master ~]# oc status -v
> In project test on server https://oso-master.libvirt:8443
>
> http://deployment-example-test.router.default.svc.cluster.local to pod
> port 8080-tcp (svc/deployment-example)
>   dc/deployment-example deploys istag/deployment-example:latest
> deployment #1 deployed 40 hours ago - 1 pod
>
> Errors:
>   * route/deployment-example is routing traffic to svc/deployment-example,
> but either the administrator has not installed a router or the router is
> not selecting this route.
> try: oc adm router -h
> Warnings:
>   * dc/deployment-example has no readiness probe to verify pods are ready
> to accept traffic or ensure deployment is successful.
> try: oc set probe dc/deployment-example --readiness ...
>
> View details with 'oc describe /' or list everything with
> 'oc get all'.
>
>
> After spending a few hours trying to figure out what the issue was, I
> finally just tried to test access to the service from outside through the
> HA router that was set up and it seemed to work. Can anyone point me to
> where I would look to determine what is actually causing the error?
>
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Re: Atomic Centos, can't upgrade

[Philippe Lafoucrière]

Sounds like docker 1.10 is a bad idea, I found this commit:

https://github.com/openshift/openshift-ansible/commit/b377f9d85df11c532281c213eda1869596642204

I was probably running openshift-ansible with a wrong tag :(
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Re: PVs, Endpoints, and GlusterFS

[Philippe Lafoucrière]

That's right, you'll have to create endpoints inside each project, and a
service to make sure the endpoints are not cleaned-up.

We have switched back to simple NFS after having a LOT of issues with
glusterfs, especially data corruption. It's a lot easier to setup in
openshift (no endpoints, no service required), and the recycle retain
policy works out of the box...
Maybe CEPH is a good option, but I've heard NFS is better for small files.

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PVs, Endpoints, and GlusterFS

[Luis Pabón]

Hi,
  If PVs are available cluster wide, but GlusterFS PVs require Endpoints, which 
are per project, how does this work?  Does that mean that endpoints would have 
to be created for an app project which is trying to use the PV serviced by 
GlusterFS?  Would that also mean that the PV cannot be created until the 
endpoint is create specifically for that new project?

Is the the current workflow?:
- Setup GlusterFS cluster
- < wait for project >
- New project created
- PVC created
- Hand create a GlusterFS volume created according to PVC
- Endpoint created
- Create PV for GlusterFS volume using Endpoints submitted ?

- Luis

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