[Ci-users] local caching for docker images
mail-lists at karan.org
Tue Jan 17 18:11:46 UTC 2017
On 17/01/17 15:00, Fabian Arrotin wrote:
> On 13/01/17 22:25, Karanbir Singh wrote:
>> the docker-distribution package can act as a smart proxy for docker
>> registries; and having a local cache inside the ci infra would help
>> speed up a lot of the jobs I am working with at the moment there.
>> Do we have the space to host a cache of this nature ? I'd think a 15 to
>> 20 GB of space is all we need.
>> Could we then have dns inside the ci infra use this cache for the
>> dockerhub urls ?
>> Any objections to getting this in ?
> I'd say it's oable, and we already "override" some DNS records
> internally to redirect to internal node/mirror in the same network
> (known example : mirrorlist.centos.org)
> But the only question I have is about the dockerhub urls : are those
> using tcp/443 and so TLS ? if so, that will not work as we can't
> impersonate such server (and thanks to TLS btw). If they are only using
> plain tcp/80 or tcp/5000 , that should work
I think the docker-proxy actually handles this case, is it possible to
test once ?
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