[Ci-users] Mirror images on artifacts.ci.centos.org

Karanbir Singh mail-lists at karan.org
Tue Feb 2 17:26:19 UTC 2016


On 28/01/16 16:59, Karanbir Singh wrote:
> On 28/01/16 15:39, John Trowbridge wrote:
> 
> 
>> On 01/28/2016 10:25 AM, Karanbir Singh wrote:
>>> On 28/01/16 11:54, John Trowbridge wrote:
>>>> That would be awesome. I tried putting one of them on a
>>>> personal RAX account, but it was not really much of an
>>>> improvement. I have currently updated the documentation for
>>>> tripleo-quickstart to include instructions to pre-download the
>>>> images. This has been a viable workaround for the near term,
>>>> but it is still probably not ideal to be pointing end users at
>>>> artifacts.ci.centos.
>>>
>>> as a data point - are you able to grab some images currently in
>>> place on buldlogs.centos.org hosts and see if its any better
>>> speeds ? try these urls 
>>> http://buildlogs.centos.org/centos/7/atomic-host/x86_64/images/CentOS
> -Atomic-Host-7.20160125-GenericCloud.qcow2.gz
>>>
> 
>>>
> After some further troubleshooting with folks, I am not so sure it is a
>> speed issue so much as nginx dropping the connection. My workaround
>> to pre-download the images uses wget for the built-in retry w/
>> resume, and I have not had any reported issues using that process.
> 
>> Ansible uses curl, which is not handling the dropped http
>> connection well, resulting in a broken download.
> 
>> I tried the above link and it works great for me, but so does the 
>> artifacts server. Is the buildlogs server also going through
>> nginx?
> 
> 
> 
> the buildlogs services are geo distributed across the US and EU. and
> run apache httpd natively. We are working with a CDN provider to get
> upto 40 pop's across asia, europe, america's - but thats a few weeks (
> best case) out yet.
> 

just had a very quick chat with John on IRC - the summary of which is
that the wget process he's using ( with retry ), seems to work around
the problem they had. So we can park this issue for the time being.

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-- 
Karanbir Singh
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