[Openstack] multiple public ip

Ritesh Nanda riteshnanda09 at gmail.com
Wed Jan 30 19:57:11 UTC 2013


What i know you can't  assign two or more Floating ip to a instance , a
solution which i can see for your problem can be having Dns server even on
local network , assign it a floating ip even , and Using external and
internal veiws in DNS you can route your request from Ha proxy to local
network vms.

Yes when we have LBAAS feature in Openstack , i think then we will have
this functionality.Check this link
http://www.mirantis.com/blog/configuring-floating-ip-addresses-networking-openstack-public-private-clouds/


On Thu, Jan 31, 2013 at 1:05 AM, Umar Draz <unix.co at gmail.com> wrote:

> Hi Caitlin,
>
> I need multiple ip address for my Haproxy server.
>
> Here is my senario
>
> I have already running Haproxy Server virtual machine for web load
> balancing on vSphare with 45 public ip address. We are running 45 diffrent
> websites and we required diffrent ips for each webiste.
>
> We have 6 webservers with only local ip address. These 6 webservers
> holding all 45 websites. Haproxy just forward the request to local
> webservers accorindg to DNS.
>
> Now I want the same kind of Haproxy setup on openstack
>
> Best Regards,
>
> Umar
> On Thu, Jan 31, 2013 at 12:02 AM, Caitlin Bestler <
> Caitlin.Bestler at nexenta.com> wrote:
>
>>
>>
>> Umar Draz asked:
>>
>> > I want to allocate multiple public ip address to instance, is this
>> possible with openStack?
>>
>> In order to properly orchestrate resources you need to distinguish
>> between the server holding that resource
>> and the IP address used to talk with that server.
>>
>> The fact that a server shows up with two IP addresses does not double the
>> number of objects it can store,
>> or the number of objects that can be assigned to it for storage.
>>
>> The OpenStack APIs that I have dealt with the most, storage oriented such
>> as Swift, do not make the
>> Necessary distinction between resource holder and access identity. But
>> you could determine that by
>> Examining each API carefully. If you can't tell the difference between a
>> server identity and its network
>> address, then neither can OpenStack.
>>
>> What purpose were you seeking multiple IP addresses for? To create
>> specific overlays of a single physical
>> network, to provide redundant physical paths, or to provide service to
>> disjoint networks?
>>
>>
>>
>
>
> --
> Umar Draz
> Network Architect
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>


-- 

* With Regards
*

* Ritesh Nanda
*

***
*
<http://www.ericsson.com/>
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