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Re: [atomic-devel] Kubeadm vs. SELinux



Copying Devan as well since he's been working with kubeadm for a while.

> On Nov 22, 2016, at 5:25 PM, Jason Brooks <jbrooks redhat com> wrote:
>
>> On Tue, Nov 22, 2016 at 2:38 PM, Daniel J Walsh <dwalsh redhat com> wrote:
>>
>>
>>> On 11/22/2016 05:15 PM, Josh Berkus wrote:
>>> Currently, it is not possible to run Kubeadm with SELinux enabled.
>>>
>>> This is bad; it means that Kubernetes' official installation
>>> instructions include `setenforce 0`.  But it's hard to argue the point
>>> when a kubeadm install -- soon to be the main install option for
>>> Kubernetes, and the only one which currently works on Atomic -- simply
>>> doesn't work with SELinux enabled.
>>>
>>> The current blocker is that kubeadm init will hang forever at this stage:
>>>
>>> <master/apiclient> created API client, waiting for the control plane to
>>> become ready
>>>
>>>
>>> The errors shown in the journal are here:
>>>
>>> https://gist.github.com/jberkus/4e926c76fbf772ffee4eb774cb0a4c60
>>>
>>> That's on Fedora 25 Atomic.  I've had the exact same experience on
>>> CentOS 7 and RHEL 7, although the error messages are not identical.
>>>
>>> Seems like this is on us to fix, if we want people to keep SELinux
>>> enforcing. I don;t know if we need to push patches to Kubeadm, or to
>>> SELinux, or both.
>>>
>>
>> What AVC's are you seeing?  Where is the bugzilla for this?
>>
>> ausearch -m avc -ts recent
>
> https://paste.fedoraproject.org/488671/79856867/
>
> This is from a kubeadm that's packaged up in a copr:
> https://copr.fedorainfracloud.org/coprs/jasonbrooks/kube-release/
>
> The kubernetes project provides rpms for centos and ubuntu, and there
> are a few things about the way they pkg it that conflict w/ atomic.
> Some more info at
> https://jebpages.com/2016/11/01/installing-kubernetes-on-centos-atomic-host-with-kubeadm/.
>
>>
>>
>


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