[CentOS-devel] Adding geo distributed builder hardware for cbs.centos.org

Brian Stinson

brian at bstinson.com
Mon Aug 10 13:32:47 UTC 2015


On Aug 10 10:59, Fabian Arrotin wrote:
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> On 10/08/15 10:54, Karanbir Singh wrote:
> > On 10/08/15 09:43, Fabian Arrotin wrote:
> >> On 10/08/15 10:22, Karanbir Singh wrote:
> >>> hi,
> >> 
> >>> What are the main concerns for hosting some builder hardware 
> >>> geo-distributed from the main koji hub ? Apart from the
> >>> latency thing, but given that most builders spend all their
> >>> time in mock root builds and then the rpmbuild, if we can get
> >>> gbit links to the remote machines, we should be ok right ?
> >> 
> >>> regards,
> >> 
> >> 
> >> well, a robust vpn solution in place, as all koji builders need
> >> access to the (nfs shared) central repo. But instead of just
> >> having gbit link at the remote machines end, we should start then
> >> by having gbit link at the origin, which will not be the case.
> > 
> > Are you saying that the blades in the same blade center dont have a
> > gbit link to each other ? isnt that where / how the present koji
> > origin is setup ?
> > 
> 
> No, but you were talking about geo-distributed, so surely not in the
> same DC, and so the remark for the need for a gbit internet
> connection. The link we have is actually shared with multiple
> projects, so no QoS on that and I don't know how the nfs-though-vpn IO
> operations will handle that. I guess remote builders don't need really
> gbit either .. people experienced with Koji should now answer :-)
> 
> - -- 
> 
> Fabian Arrotin
> The CentOS Project | http://www.centos.org
> gpg key: 56BEC54E | twitter: @arrfab
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Network/physical security (definitely a VPN) should be high on our list
of things to think about since the builders have access to /mnt/koji.
Fast networks are nice to have too :)

--Brian 



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