[Openstack-operators] OpenStack Dashboard in HA

George Shuklin george.shuklin at gmail.com
Thu Feb 27 19:35:46 UTC 2014


Is the cookie storage is not enough? For me it works fine without any 
shared storage between dashboards.

On 02/27/2014 08:08 PM, Scott Devoid wrote:
> You need some way to address HTTP sessions. Otherwise you will be 
> randomly logged out if your request goes to a different dashboard host 
> than the one you logged in on. One way is to set up a shared memcached 
> cluster that each dashboard host talks to--configure the "CACHE" 
> setting in the local_settings.py file. [1] Another way is to configure 
> your load balancer with session stickiness/affinity.
>
> [1] 
> https://github.com/openstack/horizon/blob/master/openstack_dashboard/local/local_settings.py.example 
>
>
>
>
>
> On Wed, Feb 26, 2014 at 12:11 PM, matt <matt at nycresistor.com 
> <mailto:matt at nycresistor.com>> wrote:
>
>     As horizon interfaces with OpenStack via the client apis primarily...
>
>     should be as simple as deploying several instances and load
>     balancing between them properly.
>
>
>     On Wed, Feb 26, 2014 at 10:54 AM, Alvise Dorigo
>     <alvise.dorigo at pd.infn.it <mailto:alvise.dorigo at pd.infn.it>> wrote:
>
>         Hi,
>         I've read all the guide
>         http://docs.openstack.org/high-availability-guide/high-availability-guide.pdf,
>         but it seems that the HA configuration for the Dashboard is
>         not covered.
>
>         I wonder if it is worth to do it, or it is not treated because
>         the Dashboard is a simple stateless service which can just be
>         "mirrored" on another node without any particular setup.
>
>         Could someone clarify ?
>
>         many thanks!
>
>         Alvise
>
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