Open Stack

On 06/11/2015 10:12 AM, Matthew Thode wrote:
> On 06/11/2015 04:11 AM, Eren Türkay wrote:
>> On 10-06-2015 02:14, George Shuklin wrote:
>>> Aw. Don't discriminate DHCP. It has many nice features (for example, if you add
>>> new interface to existing VM, cloud-init with static config will ignore it, but
>>> DHCP will works like magic).
>>>
>>> I don't know how it works in Gentoo, but in Debian 'allow-hotplug' for all
>>> interfaces but eth0 allows to support most of the future interfaces. Same for
>>> CentOS - you can add few eth scripts to network configuration and they will
>>> works as soon as new interface appears.
>>
>> I want to add to this comment. I believe this hot-plug feature for ethernet
>> devices is essential in the cloud environment. Short time ago I needed to move
>> port from one instance to another while keeping the internal IP address same. I
>> achieved it by removing a port from the old instance, re-creating the port with
>> the same ip address, and pluging it to the new instance.
>>
>> The downtime was minimal as the instance supported hot-plug (ubuntu 14.04) and
>> the ip addresses were distributed using DHCP. When the interface was
>> re-plugged, dhclient requested an ip address and the DHCP server gave the
>> internal address of the port which I specified.
>>
>> So, it would be really great if you can support hot-plugging for ethernet
>> devices and DHCP. I find them very useful and I believe many people would
>> expect this feature from Gentoo image.
>>
>> Regards,
>>
>>
>>
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>>
> ya, it's probably the number one thing I want to see as well and the
> next thing I'm working on.
> 
> 
> 
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> 
ok, updated the images.  Did the following.

1. Allowed for any interface to get auto addressed (dhcpcd handles that
actually, no net configs needed).

2. The rootfs resizes on first boot now.

3. image size is reduced.

4. more profiles are now available.

Notes...  DIB is on my todo, but should be very minor, since I'm
generating more or less official openstack stage4 guest tarballs
already.  Also, getting these images themselves official (within gentoo)
is next and kinda hard if only because it needs to be totally within
catalyst.

-- 
-- Matthew Thode (prometheanfire)

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