openstack team mailing list archive

[Samuel Winchenbach <swinchen@xxxxxxxxx>]

In that documentation it looks like each openstack service gets it own IP
(keystone is being assigned 192.168.42.103 and glance is getting
192.168.42.104).

I might be missing something too because in the section titled "Configure
the VIP" it create a primitive called "p_api-ip" (or p_ip_api if you read
the text above it) and then in "Adding Keystone resource to Pacemaker" it
creates a group with "p_ip_keystone"???


Stranger yet, "Configuring OpenStack Services to use High Available Glance
API" says:  "For Nova, for example, if your Glance API service IP address
is 192.168.42.104 as in the configuration explained here, you would use the
following line in your nova.conf file : glance_api_servers =
192.168.42.103"  But, in the step before it set:  "registry_host =
192.168.42.104"?

So I am not sure which ip you would connect to here...

Sam



On Wed, Feb 13, 2013 at 1:29 PM, JuanFra Rodriguez Cardoso <
juanfra.rodriguez.cardoso@xxxxxxxxx> wrote:

> Hi Samuel:
>
> Yes, it's possible with pacemaker. Look at
> http://docs.openstack.org/trunk/openstack-ha/content/ch-intro.html.
>
> Regards,
> JuanFra
>
>
> 2013/2/13 Samuel Winchenbach <swinchen@xxxxxxxxx>
>
>> Hi All,
>>
>> I currently have a HA OpenStack cluster running where the OpenStack
>> services are kept alive with a combination of haproxy and keepalived.
>>
>> Is it possible to configure pacemaker so that all the OpenStack services
>>  are served by the same IP?  With keepalived I have a virtual ip that can
>> move from server to server and haproxy sends the request to a machine that
>> has a "live" service.   This allows one (public) ip to handle all incoming
>> requests.  I believe it is the combination of VRRP/IPVS that allows this.
>>
>>
>> Is it possible to do something similar with pacemaker?  I really don't
>> want to have an IP for each service, and I don't want to make it a
>> requirement that all OpenStack services must be running on the same server.
>>
>> Thanks... I hope this question is clear, I feel like I sort of butchered
>> the wording a bit.
>>
>> Sam
>>
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>