Hi there, 2012-11-15 19:57:05 DEBUG nova.virt.xenapi.driver [-] Got exception: ['XENAPI_MISSING_PLUGIN', 'xenhost'] from (pid=25140) _unwrap_plugin_exceptions /opt/stack/nova/nova/virt/xenapi/driver.py:754
Please login to your main XenServer dom0 and make sure you have the plugins installed from the source https://github.com/openstack/nova/tree/master/plugins/xenserver/xenapi Good luck On Thu, Nov 15, 2012 at 3:22 PM, Afef MDHAFFAR <afef.mdhaf...@gmail.com>wrote: > The first problem has been solved by synchronizing the 2 nodes. > But, I could not find a solution to the second one -- nova-compute does > not want to start > > > 2012/11/15 Afef MDHAFFAR <afef.mdhaf...@gmail.com> > >> Hi all, >> >> I tried to add a third compute node to a running openstack platform >> (composed of a head node and a compute node). >> I use Ubuntu 12.04 + XCP + folsom (stable release). And, I use devstack >> to install the compute node. >> The first problem is that the 2nd (new) compute node is not able to see >> that the head node nova services are enabled, however it is still able to >> detect that nova services of the first compute node are running and >> available. >> nova-manage service list >> 2012-11-15 20:02:46 DEBUG nova.utils >> [req-44c68f9f-b9f4-498b-a081-c0273e23e05f None None] backend <module >> 'nova.db.sqlalchemy.api' from '/opt/stack/nova/nova/db/sqlalchemy/api.pyc'> >> from (pid=25406) __get_backend /opt/stack/nova/nova/utils.py:502 >> Binary Host Zone >> Status State Updated_At >> nova-consoleauth DevStackOSDomU nova >> enabled XXX 2012-11-15 20:01:37 >> nova-cert computeDomU01 nova >> enabled :-) 2012-11-15 20:02:30 >> nova-network computeDomU01 nova >> enabled :-) 2012-11-15 20:02:33 >> nova-scheduler computeDomU01 nova >> enabled :-) 2012-11-15 20:02:33 >> nova-compute computeDomU01 nova >> enabled :-) 2012-11-15 20:02:30 >> nova-network DevStackOSDomU nova >> enabled XXX 2012-11-15 20:01:40 >> nova-scheduler DevStackOSDomU nova >> enabled XXX 2012-11-15 20:01:40 >> nova-cert DevStackOSDomU nova >> enabled XXX 2012-11-15 20:01:35 >> nova-compute DevStackOSDomU nova >> enabled XXX 2012-11-15 20:01:40 >> nova-network computeDomU02 nova >> enabled :-) 2012-11-15 20:02:43 >> nova-compute computeDomU02 nova >> enabled XXX None >> nova-scheduler computeDomU02 nova >> enabled :-) 2012-11-15 20:02:43 >> nova-cert computeDomU02 nova >> enabled :-) 2012-11-15 20:02:43 >> >> The nova-services are of course running on the head node. Actually, >> launching "nova-manage service list" on the head node or the first compute >> node returns the following output: >> nova-manage service list >> 2012-11-15 20:05:08 DEBUG nova.utils >> [req-47839159-dc05-4947-a070-66b9f0db36e7 None None] backend <module >> 'nova.db.sqlalchemy.api' from '/opt/stack/nova/nova/db/sqlalchemy/api.pyc'> >> from (pid=6912) __get_backend /opt/stack/nova/nova/utils.py:502 >> Binary Host Zone >> Status State Updated_At >> nova-consoleauth DevStackOSDomU nova >> enabled :-) 2012-11-15 20:04:10 >> nova-cert computeDomU01 nova >> enabled :-) 2012-11-15 20:05:03 >> nova-network computeDomU01 nova >> enabled :-) 2012-11-15 20:05:07 >> nova-scheduler computeDomU01 nova >> enabled :-) 2012-11-15 20:05:07 >> nova-compute computeDomU01 nova >> enabled :-) 2012-11-15 20:05:03 >> nova-network DevStackOSDomU nova >> enabled :-) 2012-11-15 20:04:15 >> nova-scheduler DevStackOSDomU nova >> enabled :-) 2012-11-15 20:04:15 >> nova-cert DevStackOSDomU nova >> enabled :-) 2012-11-15 20:04:09 >> nova-compute DevStackOSDomU nova >> enabled :-) 2012-11-15 20:04:15 >> nova-network computeDomU02 nova >> enabled :-) 2012-11-15 20:05:16 >> nova-compute computeDomU02 nova >> enabled XXX None >> nova-scheduler computeDomU02 nova >> enabled :-) 2012-11-15 20:05:16 >> nova-cert computeDomU02 nova >> enabled :-) 2012-11-15 20:05:16 >> >> And the 2nd problem is the fact that nova-compute does not start on the >> new compute node, and returns this error: >> 2012-11-15 19:57:05 DEBUG nova.virt.xenapi.driver [-] Got exception: >> ['XENAPI_MISSING_PLUGIN', 'xenhost'] from (pid=25140) >> _unwrap_plugin_exceptions /opt/stack/nova/nova/virt/xenapi/driver.py:754 >> 2012-11-15 19:57:05 ERROR nova.virt.xenapi.host [-] The call to host_data >> returned an error: ['XENAPI_MISSING_PLUGIN', 'xenhost']. >> Traceback (most recent call last): >> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/poll.py", >> line 97, in wait >> readers.get(fileno, noop).cb(fileno) >> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", >> line 192, in main >> result = function(*args, **kwargs) >> File "/opt/stack/nova/nova/service.py", line 132, in run_server >> server.start() >> File "/opt/stack/nova/nova/service.py", line 410, in start >> self.manager.update_available_resource(ctxt) >> File "/opt/stack/nova/nova/compute/manager.py", line 2785, in >> update_available_resource >> self.resource_tracker.update_available_resource(context) >> File "/opt/stack/nova/nova/utils.py", line 760, in inner >> retval = f(*args, **kwargs) >> File "/opt/stack/nova/nova/compute/resource_tracker.py", line 366, in >> update_available_resource >> resources = self.driver.get_available_resource() >> File "/opt/stack/nova/nova/virt/xenapi/driver.py", line 411, in >> get_available_resource >> host_stats = self.get_host_stats(refresh=True) >> File "/opt/stack/nova/nova/virt/xenapi/driver.py", line 573, in >> get_host_stats >> return self.host_state.get_host_stats(refresh=refresh) >> File "/opt/stack/nova/nova/virt/xenapi/driver.py", line 159, in >> host_state >> self._host_state = host.HostState(self._session) >> File "/opt/stack/nova/nova/virt/xenapi/host.py", line 134, in __init__ >> self.update_status() >> File "/opt/stack/nova/nova/virt/xenapi/host.py", line 162, in >> update_status >> data["disk_total"] = total >> TypeError: 'str' object does not support item assignment >> Removing descriptor: 5 >> 2012-11-15 19:57:05 CRITICAL nova [-] 'str' object does not support item >> assignment >> 2012-11-15 19:57:05 TRACE nova Traceback (most recent call last): >> 2012-11-15 19:57:05 TRACE nova File "/usr/local/bin/nova-compute", line >> 7, in <module> >> 2012-11-15 19:57:05 TRACE nova execfile(__file__) >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/bin/nova-compute", >> line 48, in <module> >> 2012-11-15 19:57:05 TRACE nova service.wait() >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/service.py", >> line 659, in wait >> 2012-11-15 19:57:05 TRACE nova _launcher.wait() >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/service.py", >> line 192, in wait >> 2012-11-15 19:57:05 TRACE nova super(ServiceLauncher, self).wait() >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/service.py", >> line 162, in wait >> 2012-11-15 19:57:05 TRACE nova service.wait() >> 2012-11-15 19:57:05 TRACE nova File >> "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, >> in wait >> 2012-11-15 19:57:05 TRACE nova return self._exit_event.wait() >> 2012-11-15 19:57:05 TRACE nova File >> "/usr/local/lib/python2.7/dist-packages/eventlet/event.py", line 116, in >> wait >> 2012-11-15 19:57:05 TRACE nova return hubs.get_hub().switch() >> 2012-11-15 19:57:05 TRACE nova File >> "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in >> switch >> 2012-11-15 19:57:05 TRACE nova return self.greenlet.switch() >> 2012-11-15 19:57:05 TRACE nova File >> "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, >> in main >> 2012-11-15 19:57:05 TRACE nova result = function(*args, **kwargs) >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/service.py", >> line 132, in run_server >> 2012-11-15 19:57:05 TRACE nova server.start() >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/service.py", >> line 410, in start >> 2012-11-15 19:57:05 TRACE nova >> self.manager.update_available_resource(ctxt) >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/compute/manager.py", line 2785, in >> update_available_resource >> 2012-11-15 19:57:05 TRACE nova >> self.resource_tracker.update_available_resource(context) >> 2012-11-15 19:57:05 TRACE nova File "/opt/stack/nova/nova/utils.py", >> line 760, in inner >> 2012-11-15 19:57:05 TRACE nova retval = f(*args, **kwargs) >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/compute/resource_tracker.py", line 366, in >> update_available_resource >> 2012-11-15 19:57:05 TRACE nova resources = >> self.driver.get_available_resource() >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/virt/xenapi/driver.py", line 411, in >> get_available_resource >> 2012-11-15 19:57:05 TRACE nova host_stats = >> self.get_host_stats(refresh=True) >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/virt/xenapi/driver.py", line 573, in get_host_stats >> 2012-11-15 19:57:05 TRACE nova return >> self.host_state.get_host_stats(refresh=refresh) >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/virt/xenapi/driver.py", line 159, in host_state >> 2012-11-15 19:57:05 TRACE nova self._host_state = >> host.HostState(self._session) >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/virt/xenapi/host.py", line 134, in __init__ >> 2012-11-15 19:57:05 TRACE nova self.update_status() >> 2012-11-15 19:57:05 TRACE nova File >> "/opt/stack/nova/nova/virt/xenapi/host.py", line 162, in update_status >> 2012-11-15 19:57:05 TRACE nova data["disk_total"] = total >> 2012-11-15 19:57:05 TRACE nova TypeError: 'str' object does not support >> item assignment >> 2012-11-15 19:57:05 TRACE nova >> >> >> Any ideas how to solve this problem?? >> >> Thank you, >> Afef >> >> >> > > > -- > Afef MDHAFFAR > http://www.redcad.org/members/mdhaffar/ > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -- Mohammed Naser — vexxhost ----------------------------------------------------- D. 514-316-8872 D. 800-910-1726 ext. 200 E. mna...@vexxhost.com W. http://vexxhost.com
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