[Openstack-operators] Docker using novadocker vs coreos ?
caedo at mirantis.com
Sat Feb 7 01:51:01 UTC 2015
I missed that session in Atlanta but sounds like what you're talking
about is a pretty standard approach on OpenStack. I think it's a good
way to go. I've heard little overhead is lost by running the
container host on a VM vs. bare metal, and the advantage is better
tenant isolation (so if for some reason the container host is
compromised, it's not as big a deal as an entire hypervisor being
You also gain a relatively easy way to tie in cinder for additional
On Thu, Feb 5, 2015 at 4:00 AM, Zeeshan Ali Shah <zashah at pdc.kth.se> wrote:
> Thanks Christopher for details response,
> What if we take this path
> that is have core OS images and use them to launch docker images over it.
> any comment ?
> On Wed, Feb 4, 2015 at 4:55 PM, Christopher Aedo <caedo at mirantis.com> wrote:
>> The Nova-Docker driver is available here, and allows Nova to address a
>> Docker host natively:
>> There are some very recent commits, and it's being actively developed.
>> The Kolla work (https://github.com/stackforge/kolla) has details on
>> deploying Docker images via Heat templates (for the Triple-O project -
>> but can easily be extended to Docker-specific stuff).
>> Lars' blog post from last summer goes over the Docker plugin for Heat:
>> The Magnum project (https://wiki.openstack.org/wiki/Magnum) is young,
>> but making fast progress. If you're interested in OpenStack and
>> containers it's a good one to keep an eye on.
>> Finally, Murano (https://wiki.openstack.org/wiki/Murano) can be used
>> to launch VMs to as Docker hosts with the benefit of neutron-native
>> networking for orchestration purposes (making an overlay like Flannel
>> unnecessary if you are going to experiment with Kubernetes).
>> On Wed, Feb 4, 2015 at 7:05 AM, Zeeshan Ali Shah <zashah at kth.se> wrote:
>> > Hi,
>> > Has someone tried running docker over OS ? I found
>> > https://wiki.openstack.org/wiki/Docker little bit old, it's github repo
>> > activities are not that frequent.
>> > other option is to have core-os as vm image and have docker over it .
>> > Any other options ? specially for building cluster of dockers .. if we
>> > can
>> > have elasticity that would be great.
>> > --
>> > Regards
>> > Zeeshan Ali Shah
>> > _______________________________________________
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>> > OpenStack-operators at lists.openstack.org
>> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> Zeeshan Ali Shah
> System Administrator - PDC HPC
> PhD researcher (IT security)
> Kungliga Tekniska Hogskolan
> +46 8 790 9115
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