Open Stack

I'm currently updating that part of the documentation - indeed it states that two IPs are used, but in fact, you end up with only one VIP for the API service.
I'll send the patch tonight

Razique Mahroua - Nuage & Co
razique.mahroua at gmail.com
Tel : +33 9 72 37 94 15



Le 13 févr. 2013 à 20:05, Samuel Winchenbach <swinchen at gmail.com> a écrit :

> 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 at gmail.com> 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 at gmail.com>
> 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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