Overlay network for Juju LXC containers?

[Andrew McDermott]

Hi Patrik,

I will look into this tomorrow. Apologies for the delay.

On 7 January 2016 at 14:39, Patrik Karisch <patrik.karisch at gmail.com> wrote:

> Hi Andrew,
>
> Thanks for the answer.
>
> According to AWS, all the instances must be created inside a VPC to bind
> the lxcbr0 to the AWS network and get an IP allocated?
>
> Since Digital Ocean provider is a simple plugin and basically based on
> manual provsioning the best solution would be to activate Fan networking on
> my machines manually? Are there any docs how I can point Juju to get a Fan
> IP address for the containers? Mark Shuttleworths blog post says it's super
> easy for LXD, Docker and Juju but shows only a Docker cli example.
>
> Best regards
> Patrik
>
> Andrew McDermott <andrew.mcdermott at canonical.com> schrieb am Do., 7. Jan.
> 2016 um 14:14 Uhr:
>
>> Hi Patrik,
>>
>> There is no current solution for Digital Ocean.
>>
>> On AWS a container gets an IP address on the lxcbr0 network. We then add
>> iptable rules that make the container visible on the hosts network - the
>> host can see the container, the container can see the host.
>>
>> On MAAS (for 16.04) we create a bridge per NIC and the container,
>> depending on how many interfaces are configured, will get an address on
>> each subnet. Please note that all of this is currently work in progress and
>> is only available on a feature branch (maas-spaces).
>>
>> AWS and MAAS do not use the fan.
>>
>> We are currently working on Juju's network model to make it easier to do
>> what you are asking for. My colleague Dimiter Naydenov has been blogging
>> about this recently:
>>
>>
>> https://insights.ubuntu.com/2015/11/08/deploying-openstack-on-maas-1-9-with-juju/
>>
>> So for DO we don't have any transparent Juju solution for you, but we are
>> actively developing the capabilities of Juju's networking model.
>>
>> HTH
>>
>> On 6 January 2016 at 17:29, Patrik Karisch <patrik.karisch at gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I'm wondering what Juju does to make services deployed into LXC
>>> containers on different machines reachable within the whole environment?
>>> Does it use Fan or something?
>>>
>>> Currently I'm trying Juju on Digital Ocean, where a machine has only one
>>> private IP and can't get more. I don't have the budget to run every service
>>> in a new machine, so they must reside in containers on a limited bunch of
>>> machines.
>>>
>>> Best regards
>>> Patrik
>>>
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>>>
>>
>>
>> --
>> Andrew McDermott <andrew.mcdermott at canonical.com>
>> Juju Core Sapphire team <http://juju.ubuntu.com>
>>
>


-- 
Andrew McDermott <andrew.mcdermott at canonical.com>
Juju Core Sapphire team <http://juju.ubuntu.com>
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