Open Stack

Got the issue fixed. The "neutron-plugin-openvswitch-agent" on compute node was down and was not starting due to some syntax errors in neutron.conf.
Tried executing the binary manually from the command line and found the error.
Peace back again :)

From: mridhul at live.com
To: robert.vanleeuwen at spilgames.com; openstack at lists.openstack.org
Date: Wed, 30 Jul 2014 11:11:04 +0530
Subject: Re: [Openstack] Failed to launch instance "ded": Please try again later [Error: No valid host was found. ]




Still seeing the instance creation as failed., Some logs I can see in the nova-compute is

2014-07-30 11:08:29.369 15993 AUDIT nova.compute.manager [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Starting instance...2014-07-30 11:08:29.454 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Attempting claim: memory 512 MB, disk 1 GB, VCPUs 12014-07-30 11:08:29.455 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Total memory: 16043 MB, used: 1024.00 MB2014-07-30 11:08:29.456 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] memory limit: 24064.50 MB, free: 23040.50 MB2014-07-30 11:08:29.457 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Total disk: 15 GB, used: 1.00 GB2014-07-30 11:08:29.457 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] disk limit not specified, defaulting to unlimited2014-07-30 11:08:29.458 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Total CPUs: 8 VCPUs, used: 1.00 VCPUs2014-07-30 11:08:29.458 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] CPUs limit not specified, defaulting to unlimited2014-07-30 11:08:29.459 15993 AUDIT nova.compute.claims [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Claim successful2014-07-30 11:08:30.063 15993 INFO nova.virt.libvirt.driver [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Creating image2014-07-30 11:08:30.222 15993 WARNING nova.virt.disk.vfs.guestfs [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] Failed to close augeas aug_close: call launch before using this function(in guestfish, don't forget to use the 'run' command)2014-07-30 11:08:30.380 15993 ERROR nova.compute.manager [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Instance failed to spawn2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Traceback (most recent call last):2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1714, in _spawn2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     block_device_info)2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2263, in spawn2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     write_to_disk=True)2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3449, in to_xml2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     disk_info, rescue, block_device_info)2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3265, in get_guest_config2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     flavor)2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/vif.py", line 384, in get_config2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     _("Unexpected vif_type=%s") % vif_type)2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] NovaException: Unexpected vif_type=binding_failed2014-07-30 11:08:30.380 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] 2014-07-30 11:08:30.417 15993 AUDIT nova.compute.manager [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Terminating instance2014-07-30 11:08:30.425 15993 ERROR nova.virt.libvirt.driver [-] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] During wait destroy, instance disappeared.2014-07-30 11:08:30.545 15993 INFO nova.virt.libvirt.driver [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Deleting instance files /var/lib/nova/instances/6c11f338-65a1-48d7-b57e-b6a6c40b50182014-07-30 11:08:30.546 15993 INFO nova.virt.libvirt.driver [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Deletion of /var/lib/nova/instances/6c11f338-65a1-48d7-b57e-b6a6c40b5018 complete2014-07-30 11:08:30.917 15993 ERROR nova.compute.manager [req-717d497b-7f8f-4bd9-aed4-ebf98082a593 95c6a71a0cad4609802f5d1913e0bed9 3b520a5c1f744066a423f00e814ffbc0] [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Error: Unexpected vif_type=binding_failed2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] Traceback (most recent call last):2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1305, in _build_instance2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     set_access_ip=set_access_ip)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 393, in decorated_function2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     return function(self, context, *args, **kwargs)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1717, in _spawn2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     LOG.exception(_('Instance failed to spawn'), instance=instance)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68, in __exit__2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     six.reraise(self.type_, self.value, self.tb)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1714, in _spawn2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     block_device_info)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2263, in spawn2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     write_to_disk=True)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3449, in to_xml2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     disk_info, rescue, block_device_info)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3265, in get_guest_config2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     flavor)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/vif.py", line 384, in get_config2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018]     _("Unexpected vif_type=%s") % vif_type)2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] NovaException: Unexpected vif_type=binding_failed2014-07-30 11:08:30.917 15993 TRACE nova.compute.manager [instance: 6c11f338-65a1-48d7-b57e-b6a6c40b5018] ^C


From: mridhul at live.com
To: robert.vanleeuwen at spilgames.com; openstack at lists.openstack.org
Subject: RE: [Openstack] Failed to launch instance "ded": Please try again later [Error: No valid host was found. ]
Date: Mon, 28 Jul 2014 14:47:24 +0530




Thanks Rob. Where Can i increase the port quota ? Can you please help me with it ?

> From: Robert.vanLeeuwen at spilgames.com
> To: mridhul at live.com; openstack at lists.openstack.org
> Subject: RE: [Openstack] Failed to launch instance "ded": Please try again later [Error: No valid host was found. ]
> Date: Mon, 28 Jul 2014 08:29:59 +0000
> 
> > I've deployed an openstack setup on my LAB (3-Node Architecture) and Im observing getting the following error while launching an instance.
> > Error: Failed to launch instance "ded": Please try again later [Error: No valid host was found. ].
> >
> > 2014-07-28 13:24:59.389 2797 TRACE nova.compute.manager [instance: 4b459e38-ab20-42e5-ae79-1e98a0730c85] PortLimitExceeded: Maximum number of ports exceeded
> 
> That looks to be the issue.
> Increase the port quota global / of the tenant and you should be fine again.
> 
> Cheers,
> Robert van Leeuwen
 		 	   		   		 	   		  

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