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Re: libvirt issues

To: Mohammad Banikazemi <mb@xxxxxxxxxx>
From: Jesse Andrews <anotherjesse@xxxxxxxxx>
Date: Wed, 18 Jan 2012 15:11:23 -0800
Cc: "openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx" <openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx>, openstack <openstack@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <OF1F135B26.CCA05D59-ON85257989.007EA8E5-85257989.007EED5F@us.ibm.com>
VNC consoles used to be an openstackx extension.  Anthony is working today
on moving it into openstack contrib.

On Wed, Jan 18, 2012 at 3:06 PM, Mohammad Banikazemi <mb@xxxxxxxxxx> wrote:

> Thanks for the script.
> Maybe I am being paranoid or I have messed up my setup but since yesterday
> I cannot use VNC console.
> I get the following:
> *Error: *Unable to get VNC console for instance
> "7874ca62-d756-43cb-90ad-1c25ea781723"
> Any idea what may have led to this issue. Thanks much.
>
>
> [image: Inactive hide details for Joshua Harlow ---01/18/2012 03:59:19
> PM---I've also had to run the following before. Might be useful]Joshua
> Harlow ---01/18/2012 03:59:19 PM---I've also had to run the following
> before. Might be useful for others. Might be a bug somewhere that
>
> From: Joshua Harlow <harlowja@xxxxxxxxxxxxx>
> To: Anthony Young <sleepsonthefloor@xxxxxxxxx>, Mohammad
> Banikazemi/Watson/IBM@IBMUS,
> Cc: "openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx"
> <openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx>, openstack <
> openstack@xxxxxxxxxxxxxxxxxxx>
> Date: 01/18/2012 03:59 PM
> Subject: Re: [Openstack] libvirt issues
> ------------------------------
>
>
>
> I’ve also had to run the following before.
> Might be useful for others. Might be a bug somewhere that causes them to
> be leftover...
>
> $ more clear-domains.py
> import libvirt
> import sys
>
> connUri = "qemu:///system"
> conn = libvirt.open(connUri)
>
> if(conn == None):
>    print("Could not open connection to " + connUri)
>    sys.exit(1)
>
>
> definedDomains = conn.listDefinedDomains()
> am = len(definedDomains)
> print("Found %s leftover domains" %(am))
> print(definedDomains)
>
> if(am):
>    print("Clearing %s domains" %(am))
>    for domain in  definedDomains:
>        print("Found domain " +domain)
>        dom = conn.lookupByName(domain)
>        print "Clearing domain id %d running %s" % (dom.ID(), dom.OSType())
>        print(dom.info())
>        dom.undefine()
>
>
>
> On 1/18/12 11:37 AM, "Anthony Young" <*sleepsonthefloor@xxxxxxxxx*<http://sleepsonthefloor@xxxxxxxxx>>
> wrote:
>
>    It is likely that one of devstack, nova, openstackx, or dashboard are
>    out-of-date.  You should update those directories, and then re-run stack.sh
>
>    A
>
>    On Wed, Jan 18, 2012 at 8:42 AM, Mohammad Banikazemi <*mb@xxxxxxxxxx*<http://mb@xxxxxxxxxx>>
>    wrote:
>       I resolved the 2nd problem by using "virsh undefine
>       instance-00000002". Still have the 1st problem.
>
>       Mohammad Banikazemi---01/18/2012 11:36:03 AM---After the dashboard
>       issues were resolved yesterday I run into the following problems:
>
>       From: Mohammad Banikazemi/Watson/IBM@IBMUS
>       To: openstack <*openstack@xxxxxxxxxxxxxxxxxxx*<http://openstack@xxxxxxxxxxxxxxxxxxx>>,
>
>       Date: 01/18/2012 11:36 AM
>       Subject: [Openstack] libvirt issues
>       Sent by: *openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx*<http://openstack-bounces+mb=us.ibm.com@xxxxxxxxxxxxxxxxxxx>
>       ------------------------------
>
>
>
>       After the dashboard issues were resolved yesterday I run into the
>       following problems:
>
>       1- Now eventhough my dashboard interface looks ok I still keep
>       getting the red box errors on top of my main page:*
>       Error: *Unable to get service info: This error may be caused by a
>       misconfigured Nova url in keystone's service catalog, or by missing
>       openstackx extensions in Nova. See the Horizon README.
>       What am i missing here?
>
>
>       2- I am not sure if this is related to the changes or something on
>       my part has been modified incorrectly but trying to create a vm everything
>       seems to be going fine until I see the following errors essentially saying
>       there is a instance with the same name already and the vm does not get
>       created. What am I doing wrong? The nova/instance directory is empty and
>       since I start with devstack, the nova tables are all empty in the database.
>       *
>
>       libvir: Domain Config error : operation failed: domain
>       'instance-00000003' already exists with uuid
>       500d2d3e-df6c-8e6a-5775-c39b60c18997*
>
>       2012-01-18 11 <tel:2012-01-18%2011> :14:28,641 ERROR
>       nova.compute.manager [-] Instance 3e9ac9b4-c018-490d-a546-1b3a7d3ee5f4
>       failed to spawn
>       (nova.compute.manager): TRACE: Traceback (most recent call last):
>       (nova.compute.manager): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 507, in _spawn
>       (nova.compute.manager): TRACE:     network_info, block_device_info)
>       (nova.compute.manager): TRACE:   File
>       "/opt/stack/nova/nova/exception.py", line 126, in wrapped
>       (nova.compute.manager): TRACE:     return f(*args, **kw)
>       (nova.compute.manager): TRACE:   File
>       "/opt/stack/nova/nova/virt/libvirt/connection.py", line 679, in spawn
>       (nova.compute.manager): TRACE:     domain =
>       self._create_new_domain(xml)
>       (nova.compute.manager): TRACE:   File
>       "/opt/stack/nova/nova/virt/libvirt/connection.py", line 1261, in
>       _create_new_domain
>       (nova.compute.manager): TRACE:     domain =
>       self._conn.defineXML(xml)
>       (nova.compute.manager): TRACE:   File
>       "/usr/lib/python2.7/dist-packages/libvirt.py", line 1708, in defineXML
>       (nova.compute.manager): TRACE:     if ret is None:raise
>       libvirtError('virDomainDefineXML() failed', conn=self)
>       (nova.compute.manager): TRACE: libvirtError: operation failed:
>       domain 'instance-00000003' already exists with uuid
>       500d2d3e-df6c-8e6a-5775-c39b60c18997
>       (nova.compute.manager): TRACE:
>       2012-01-18 11 <tel:2012-01-18%2011> :14:28,644 DEBUG
>       nova.compute.manager [-] deallocating network for instance:
>       3e9ac9b4-c018-490d-a546-1b3a7d3ee5f4 from (pid=3170) _deallocate_network
>       /opt/stack/nova/nova/compute/manager.py:529
>       2012-01-18 11 <tel:2012-01-18%2011> :14:28,644 DEBUG nova.rpc [-]
>       Making asynchronous cast on network... from (pid=3170) cast
>       /opt/stack/nova/nova/rpc/impl_kombu.py:859
>       2012-01-18 11 <tel:2012-01-18%2011> :14:28,799 ERROR nova.rpc [-]
>       Exception during message handling
>       (nova.rpc): TRACE: Traceback (most recent call last):
>       (nova.rpc): TRACE:   File "/opt/stack/nova/nova/rpc/impl_kombu.py",
>       line 723, in _process_data
>       (nova.rpc): TRACE:     rval = node_func(context=ctxt, **node_args)
>       (nova.rpc): TRACE:   File "/opt/stack/nova/nova/exception.py", line
>       126, in wrapped
>       (nova.rpc): TRACE:     return f(*args, **kw)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 149, in decorated_function
>       (nova.rpc): TRACE:     self.add_instance_fault_from_exc(context,
>       instance_uuid, e)
>       (nova.rpc): TRACE:   File "/usr/lib/python2.7/contextlib.py", line
>       24, in __exit__
>       (nova.rpc): TRACE:     self.gen.next()
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 144, in decorated_function
>       (nova.rpc): TRACE:     return function(self, context,
>       instance_uuid, *args, **kwargs)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 561, in run_instance
>       (nova.rpc): TRACE:     self._run_instance(context, instance_uuid,
>       **kwargs)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 390, in _run_instance
>       (nova.rpc): TRACE:     vm_state=vm_states.ERROR)
>       (nova.rpc): TRACE:   File "/usr/lib/python2.7/contextlib.py", line
>       24, in __exit__
>       (nova.rpc): TRACE:     self.gen.next()
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 377, in _run_instance
>       (nova.rpc): TRACE:     self._deallocate_network(context, instance)
>       (nova.rpc): TRACE:   File "/usr/lib/python2.7/contextlib.py", line
>       24, in __exit__
>       (nova.rpc): TRACE:     self.gen.next()
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 374, in _run_instance
>       (nova.rpc): TRACE:     injected_files, admin_password)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/compute/manager.py", line 507, in _spawn
>       (nova.rpc): TRACE:     network_info, block_device_info)
>       (nova.rpc): TRACE:   File "/opt/stack/nova/nova/exception.py", line
>       126, in wrapped
>       (nova.rpc): TRACE:     return f(*args, **kw)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/virt/libvirt/connection.py", line 679, in spawn
>       (nova.rpc): TRACE:     domain = self._create_new_domain(xml)
>       (nova.rpc): TRACE:   File
>       "/opt/stack/nova/nova/virt/libvirt/connection.py", line 1261, in
>       _create_new_domain
>       (nova.rpc): TRACE:     domain = self._conn.defineXML(xml)
>       (nova.rpc): TRACE:   File
>       "/usr/lib/python2.7/dist-packages/libvirt.py", line 1708, in defineXML
>       (nova.rpc): TRACE:     if ret is None:raise
>       libvirtError('virDomainDefineXML() failed', conn=self)
>       (nova.rpc): TRACE: libvirtError: operation failed: domain
>       'instance-00000003' already exists with uuid
>       500d2d3e-df6c-8e6a-5775-c39b60c18997
>       (nova.rpc): TRACE: _______________________________________________
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References

Re: libvirt issues
From: Anthony Young, 2012-01-18
Re: libvirt issues
From: Joshua Harlow, 2012-01-18
Re: libvirt issues
From: Mohammad Banikazemi, 2012-01-18