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<div>Here are a few useful references for Horizon HA:</div>
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<div><a href="https://github.com/CiscoSystems/puppet-openstack-ha/blob/master/manifests/load-balancer.pp#L325-L348">https://github.com/CiscoSystems/puppet-openstack-ha/blob/master/manifests/load-balancer.pp#L325-L348</a></div>
<div><a href="http://docwiki.cisco.com/wiki/OpenStack_Havana_Release:_High-Availability_Manual_Deployment_Guide#Keepalived_.26_HAProxy">http://docwiki.cisco.com/wiki/OpenStack_Havana_Release:_High-Availability_Manual_Deployment_Guide#Keepalived_.26_HAProxy</a></div>
<div><a href="http://docwiki.cisco.com/wiki/OpenStack_Havana_Release:_High-Availability_Manual_Deployment_Guide#Horizon_Installation">http://docwiki.cisco.com/wiki/OpenStack_Havana_Release:_High-Availability_Manual_Deployment_Guide#Horizon_Installation</a></div>
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<div>Regards,</div>
<div>Daneyon Hansen</div>
<div>Software Engineer</div>
<div>Email: danehans@cisco.com</div>
<div>Phone: 303-718-0400</div>
<div><a href="http://about.me/daneyon_hansen">http://about.me/daneyon_hansen</a></div>
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<span style="font-weight:bold">From: </span>George Shuklin <<a href="mailto:george.shuklin@gmail.com">george.shuklin@gmail.com</a>><br>
<span style="font-weight:bold">Date: </span>Thursday, February 27, 2014 12:35 PM<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:openstack-operators@lists.openstack.org">openstack-operators@lists.openstack.org</a>" <<a href="mailto:openstack-operators@lists.openstack.org">openstack-operators@lists.openstack.org</a>><br>
<span style="font-weight:bold">Subject: </span>Re: [Openstack-operators] OpenStack Dashboard in HA<br>
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<div bgcolor="#FFFFFF" text="#000000">Is the cookie storage is not enough? For me it works fine without any shared storage between dashboards.<br>
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<div class="moz-cite-prefix">On 02/27/2014 08:08 PM, Scott Devoid wrote:<br>
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<blockquote cite="mid:CAJrQjStbt4ATG2r7QjyduAC1e3vUgs70YDS5c0x8SS7aLipZPg@mail.gmail.com" type="cite">
<div dir="ltr">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.
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<div>[1] <a moz-do-not-send="true" href="https://github.com/openstack/horizon/blob/master/openstack_dashboard/local/local_settings.py.example">
https://github.com/openstack/horizon/blob/master/openstack_dashboard/local/local_settings.py.example</a>
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<div class="gmail_quote">On Wed, Feb 26, 2014 at 12:11 PM, matt <span dir="ltr"><<a moz-do-not-send="true" href="mailto:matt@nycresistor.com" target="_blank">matt@nycresistor.com</a>></span> wrote:<br>
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<div>As horizon interfaces with OpenStack via the client apis primarily...<br>
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should be as simple as deploying several instances and load balancing between them properly.<br>
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<div class="h5">On Wed, Feb 26, 2014 at 10:54 AM, Alvise Dorigo <span dir="ltr"><<a moz-do-not-send="true" href="mailto:alvise.dorigo@pd.infn.it" target="_blank">alvise.dorigo@pd.infn.it</a>></span> wrote:<br>
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<div style="word-wrap:break-word">Hi,
<div>I've read all the guide <a moz-do-not-send="true" href="http://docs.openstack.org/high-availability-guide/high-availability-guide.pdf" target="_blank">http://docs.openstack.org/high-availability-guide/high-availability-guide.pdf</a>, but it seems that
the HA configuration for the Dashboard is not covered.</div>
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<div>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.</div>
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<div>Could someone clarify ?</div>
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<div>many thanks!</div>
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<div><span style="white-space:pre-wrap"></span>Alvise</div>
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