[Openstack] Install/Enable Quantum lbass (load balancer) feature?
Mahardhika
mahardika.gilang at andalabs.com
Fri Aug 30 04:01:49 UTC 2013
Does lbass can get install on ubuntu based system? how to check it?
On 8/12/2013 4:16 PM, Jake G. wrote:
> Ok i started from scratch and now everything is working just fine.
> Thank you for all your help.
> In the end I believe it was because I did not have haproxy installed.
>
>
>
> ------------------------------------------------------------------------
> *From:* Eugene Nikanorov <enikanorov at mirantis.com>
> *To:* Jake G. <dj_dark_junglist at yahoo.com>
> *Cc:* "openstack at lists.openstack.org" <openstack at lists.openstack.org>
> *Sent:* Friday, August 9, 2013 7:50 PM
> *Subject:* Re: [Openstack] Install/Enable Quantum lbass (load
> balancer) feature?
>
> use_namespaces has no effect, lbaas agent in grizzly always relies on
> namespace support.
>
> Could you execute the failing command manually?
> That needs to be done after you create a vip for the pool.
> The command should look like this:
> sudo quantum-rootwrap /etc/quantum/rootwrap.conf ip netns exec
> qlbaas-e10951cd-4cca-4ba4-acc0-0ccde6817029 haproxy -f /var
> /lib/quantum/lbaas/e10951cd-4cca-4ba4-acc0-0ccde6817029/conf -p
> /var/lib/quantum/lbaas/e10951cd-4cca-4ba4-acc0-0ccde6817029/pid
>
> <e10951cd-4cca-4ba4-acc0-0ccde6817029> should be replaced with actual
> pool_id
> Could you also verify that path and file
> /lib/quantum/lbaas/e10951cd-4cca-4ba4-acc0-0ccde6817029/conf exist?
>
> Thanks,
> Eugene.
>
>
> On Fri, Aug 9, 2013 at 12:39 PM, Jake G. <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>> wrote:
>
> Yes this is my Kernel> 2.6.32-358.114.1.openstack.el6.x86_64
> and I enable:
>
> use_namespaces = True
> ovs_use_veth = True
>
> in /etc/quantum/dhcp_agent.ini and etc/quantum/l3_agent.ini
>
>
>
> ------------------------------------------------------------------------
> *From:* Eugene Nikanorov <enikanorov at mirantis.com
> <mailto:enikanorov at mirantis.com>>
> *To:* Jake G. <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>>
> *Cc:* "openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>"
> <openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>>
> *Sent:* Friday, August 9, 2013 5:33 PM
>
> *Subject:* Re: [Openstack] Install/Enable Quantum lbass (load
> balancer) feature?
>
> Jake, haproxy.cfg is created by lbaas agent when you deploy an
> instance.
> Are you sure your host os has namespace support?
>
> Eugene.
>
>
> On Fri, Aug 9, 2013 at 12:30 PM, Jake G.
> <dj_dark_junglist at yahoo.com <mailto:dj_dark_junglist at yahoo.com>>
> wrote:
>
> Good call!
> Looks like i did but the service wont start. Do you have a
> sample haproxy.cfg file that will work with Openstack?
>
> Thank you
>
> ------------------------------------------------------------------------
> *From:* Eugene Nikanorov <enikanorov at mirantis.com
> <mailto:enikanorov at mirantis.com>>
> *To:* Jake G. <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>>
> *Cc:* "openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>"
> <openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>>
> *Sent:* Friday, August 9, 2013 3:08 PM
>
> *Subject:* Re: [Openstack] Install/Enable Quantum lbass (load
> balancer) feature?
>
> Do you have haproxy package installed on your host?
>
>
> On Fri, Aug 9, 2013 at 9:41 AM, Jake G.
> <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>> wrote:
>
> I have enabled LBaas on my openstack, but after adding a
> pool, vip, members, and monitor successfully I am still
> unable to get load balancing working.
> I found this blog to help me so far
> http://kimizhang.wordpress.com/2013/08/08/openstack-grizzly-quantum-advanced-features-2/
>
> When I run # ps -ef | grep haproxy I dont get much:
> root 27508 2718 0 14:16 pts/1 00:00:00 grep haproxy
>
> My logs show an issue with haproxy:
>
> RuntimeError:
> Command: ['sudo', 'quantum-rootwrap',
> '/etc/quantum/rootwrap.conf', 'ip', 'netns', 'exec',
> 'qlbaas-e10951cd-4cca-4ba4-acc0-0ccde6817029', 'haproxy',
> '-f', '/var
> /lib/quantum/lbaas/e10951cd-4cca-4ba4-acc0-0ccde6817029/conf',
> '-p',
> '/var/lib/quantum/lbaas/e10951cd-4cca-4ba4-acc0-0ccde6817029/pid']
> Exit code: 255
> Stdout: ''
> Stderr: 'exec of haproxy failed: No such file or directory\n'
> 2013-08-09 14:16:17 ERROR
> [quantum.plugins.services.agent_loadbalancer.agent.manager] Unable
> to refresh device for pool:
> e10951cd-4cca-4ba4-acc0-0ccde6817029
> Traceback (most recent call last):
> File
> "/usr/lib/python2.6/site-packages/quantum/plugins/services/agent_loadbalancer/agent/manager.py",
> line 189, in refresh_device
> self.driver.create(logical_config)
> File
> "/usr/lib/python2.6/site-packages/quantum/plugins/services/agent_loadbalancer/drivers/haproxy/namespace_driver.py",
> line 48, in create
> self._spawn(logical_config)
> File
> "/usr/lib/python2.6/site-packages/quantum/plugins/services/agent_loadbalancer/drivers/haproxy/namespace_driver.py",
> line 70, in _spawn
> ns.netns.execute(cmd)
> File
> "/usr/lib/python2.6/site-packages/quantum/agent/linux/ip_lib.py",
> line 414, in execute
> check_exit_code=check_exit_code)
> File
> "/usr/lib/python2.6/site-packages/quantum/agent/linux/utils.py",
> line 61, in execute
> raise RuntimeError(m)
>
> Any ideas?
>
> ------------------------------------------------------------------------
> *From:* Eugene Nikanorov <enikanorov at mirantis.com
> <mailto:enikanorov at mirantis.com>>
> *To:* Jake G. <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>>
> *Cc:* "openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>"
> <openstack at lists.openstack.org
> <mailto:openstack at lists.openstack.org>>
> *Sent:* Thursday, August 8, 2013 7:04 PM
> *Subject:* Re: [Openstack] Install/Enable Quantum lbass
> (load balancer) feature?
>
> Hi Jake,
>
> Regarding lbaas in grizzly working on RHEL/Centos - it may
> be problematic as host operation system must support
> network namespaces.
> If you do have support for network namespaces then you
> need to do the following steps to setup lbaas service in
> quantum:
>
> 1) specify lbaas plugin in quantum.conf:
> service_plugins= lbaas_plugin_classpath.
> check
> quantum/plugins/services/agent_loadbalancer/plugin.py for
> correct path as currently the name and path has changed.
>
> 2) to enable lbaas service in horizon you need to do the
> following:
> add the following piece of code
> to horizon/openstack_dashboard/local/local_settings.py :
>
> OPENSTACK_QUANTUM_NETWORK = {
> 'enable_lb': False
> }
>
> 3) start quantum-lbaas-agent on the host providing
> quantum.conf and lbaas-agent.ini. lbaas-agent.ini should
> reflect core plugin configuration (should have proper
> interface driver)
>
> Note that if host os has no namespace support, all of
> above will work (e.g. REST API will be functional), but
> you would not be able to deploy loadbalancer as lbaas
> agent can only work with namespaces.
>
> Thanks,
> Eugene.
>
>
> On Thu, Aug 8, 2013 at 1:14 PM, Jake G.
> <dj_dark_junglist at yahoo.com
> <mailto:dj_dark_junglist at yahoo.com>> wrote:
>
> Hi all!
> How can we install/enable the Quantum-lbaas (load
> balancer) feature for Openstack Grizzly? I dont see
> any docs for RHEL/CentOS specific installs.
> I used RDO to deploy Openstack on a single node.
>
> Thank you! Jake
>
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--
Regards,
Mahardhika Gilang
*PT. Andalabs Technology *
Gedung Gravira
Jl. Cideng Barat no. 54
Jakarta Pusat 10150
HP : 0852 139 55861
Email : mahardika.gilang at andalabs.com
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