Open Stack

On 4 December 2014 at 07:59, phuc vandinh <phucvd.ce at gmail.com> wrote:
> Hi everyone,
> I'm a Sys Admin. and Now, my App Dev Team request me to use Docker into
> Openstack for DevOps Enviroment.
> But via Openstack Hypervisor Matrix, I saw that Docker miss some Openstack
> feature-supported. It is not support Cinder,..
> I want to use KVM to be fully supported with the other Openstack products
> as: Neutron, Cinder,...
>
> What is the best way to use Docker into Openstack in this case? and How?
> I should use Docker like as hypervisor via Nova Driver
> or
> there is one way that I can deploy Docker on top of OpenStack + KVM and
They
> still  warrant performance and have some advance features of Docker?
>
> --
> Thanks && Best Regards!
>
> Philip

Hi Philip!

What about this:

---
root at openstack-1:~$ apt-cache show nova-compute-flex
....
Description-en: Openstack Compute - Ubuntu Flex container support
 OpenStack is a reliable cloud infrastructure. Its mission is to produce
 the ubiquitous cloud computing platform that will meet the needs of public
 and private cloud providers regardless of size, by being simple to
implement
 and massively scalable.
 .
 OpenStack Compute, codenamed Nova, is a cloud computing fabric controller.
In
 addition to its "native" API (the OpenStack API), it also supports the
Amazon
 EC2 API.
 .
 Nova is intended to be modular and easy to extend and adapt. It supports
many
 different hypervisors (KVM and Xen to name a few), different database
backends
 (SQLite, MySQL, and PostgreSQL, for instance), different types of user
 databases (LDAP or SQL), etc.
 .
 This package provides common dependencies and setup for the Ubuntu Flex
based
 container hypervisor, providing a secure way to run instances as LXC
 containers under OpenStack.
---

Info: http://www.ubuntu.com/cloud/tools/lxd

 AFAIK, Docker isn't a VM, so, it makes no sense to use it as a "regular
hypervisor" under Nova.

 I did not tried it via Heat.

 And trying to use Docker within a regular VM, like when using CoreOS, it
also makes no sense (for me), mostly because Docker (or the containers)
bring to you, a real baremetal-cloud, so, again, it makes no sense to use
it within a virtualized Instance. Also, each Docker/Container needs 1 IP,
so, when with CoreOS, I have no idea about how to manage this without using
creepy NAT tables and tons of Port Forwards...

 I'm sure you'll enjoy 1 IPv6 address for each container, by far, much
simpler, no NAT, no Port Forwards, easy to manage with native OpenStack
Security Groups.

Just my two bitcents...  :-)

Best!
Thiago
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