← Back to team overview

openstack team mailing list archive

Re: Floating IP in OpenStack API

 

Cool.  Got it.  Floating IPs or what Amazon calls Elastic IPs.  How are you solving the cross L2 problem?

Erik

Sent from my iPhone

On Apr 15, 2011, at 7:28 PM, "Eldar Nugaev" <enugaev@xxxxxxxxxxxxxxxx> wrote:

> Hi Erik
> 
> Thank you for response!
> Yes, you are absolutely right OpenStack API already support shared IP groups.
> Suppose there are some misunderstanding, because I wrote about floating IPs.
> 
> I want to have API for association IPs from floating IPs pool with
> particular VM.
> 
> At this moment we have #1 implementation as a path in our RPM repo
> http://yum.griddynamics.net/. And going to make the merge proposal to
> trunk.
> 
> Also we going to create blueprint about #3 and attach branch to it.
> 
> Eldar
> 
> On Sat, Apr 16, 2011 at 2:34 AM, Erik Carlin <erik.carlin@xxxxxxxxxxxxx> wrote:
>> Eldar -
>> 
>> The OpenStack API already supports sharing IPs between instances (although
>> this may be an extension?).  What exact behavior are you after?  More
>> important than the way in which we expose via the API is how it's
>> implemented.  It's important to note that this is extremely network
>> topology dependent.  Sharing IPs today requires L2 adjacency so other VMs
>> can GARP for the IP.  L2 doesn't work at scale so you need another
>> mechanism.  I'm pretty sure the way AWS does it is to have a separate pool
>> of IPs and inject /32 routes higher up that route towards the appropriate
>> VM IP.  What are your thoughts around how this would be implemented?
>> 
>> Multiple people are working towards an independent Network as a Service
>> external to nova so it may make sense to plug this requirement in there.
>> 
>> Erik
>> 
>> On 4/11/11 8:31 AM, "Eldar Nugaev" <enugaev@xxxxxxxxxxxxxxxx> wrote:
>> 
>>> Hello everyone,
>>> 
>>> We going to add possibility to assigning floating IP addresses in
>>> OpenStack API.
>>> Our goal reproduce AWS behavior when creating instance automatically
>>> assigns any free floating IP or add methods to OpenStack API for
>>> allocation and association API addresses.
>>> 
>>> At this time we see three way:
>>> 
>>> 1. FLAG --auto_assign_floating_ip (default=False)
>>> 2. Optional parameter "auto_assign_floating_ip" in existing "create"
>>> method
>>> 3. OpenStack API add floating_ip - allocate_floating_ip,
>>> associate_floating_ip
>>> 
>>> What way is more suitable at this time?
>>> 
>>> --
>>> Eldar
>>> Skype: eldar.nugaev
>>> 
>>> _______________________________________________
>>> Mailing list: https://launchpad.net/~openstack
>>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>>> Unsubscribe : https://launchpad.net/~openstack
>>> More help   : https://help.launchpad.net/ListHelp
>> 
>> 
>> 
>> Confidentiality Notice: This e-mail message (including any attached or
>> embedded documents) is intended for the exclusive and confidential use of the
>> individual or entity to which this message is addressed, and unless otherwise
>> expressly indicated, is confidential and privileged information of Rackspace.
>> Any dissemination, distribution or copying of the enclosed material is prohibited.
>> If you receive this transmission in error, please notify us immediately by e-mail
>> at abuse@xxxxxxxxxxxxx, and delete the original message.
>> Your cooperation is appreciated.
>> 
>> 
> 
> 
> 
> -- 
> Eldar
> Skype: eldar.nugaev


Confidentiality Notice: This e-mail message (including any attached or
embedded documents) is intended for the exclusive and confidential use of the
individual or entity to which this message is addressed, and unless otherwise
expressly indicated, is confidential and privileged information of Rackspace.
Any dissemination, distribution or copying of the enclosed material is prohibited.
If you receive this transmission in error, please notify us immediately by e-mail
at abuse@xxxxxxxxxxxxx, and delete the original message.
Your cooperation is appreciated.




References