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Re: [virt-tools-list] VirtInstall - error validating install location / global name 'virGetLastError' is not defined



On Fri, Mar 01, 2013 at 11:12:28AM +0000, Bogdan Rădulescu wrote:
> [Vi, 01 mar 2013 13:07:34 virt-install 16102] ERROR (cli:438) global name
> 'virGetLastError' is not defined
> [Vi, 01 mar 2013 13:07:34 virt-install 16102] DEBUG (cli:441)
> Traceback (most recent call last):
>   File "/usr/bin/virt-install", line 1015, in <module>
>     sys.exit(main())
>   File "/usr/bin/virt-install", line 1000, in main
>     guest = build_guest_instance(conn, options)
>   File "/usr/bin/virt-install", line 529, in build_guest_instance
>     options.disksize, options.sparse, need_storage)
>   File "/usr/bin/virt-install", line 164, in get_disks
>     get_disk(disklist[idx], sizelist[idx], sparse, guest, is_file_path)
>   File "/usr/bin/virt-install", line 137, in get_disk
>     dev, size = cli.parse_disk(guest, diskopts)
>   File "/usr/lib64/python2.7/site-packages/virtinst/cli.py", line 1610, in
> parse_disk
>     format=fmt)
>   File "/usr/lib64/python2.7/site-packages/virtinst/VirtualDisk.py", line
> 659, in __init__
>     self.vol_install)
>   File "/usr/lib64/python2.7/site-packages/virtinst/VirtualDisk.py", line
> 974, in __change_storage
>     path)
>   File "/usr/lib64/python2.7/site-packages/virtinst/VirtualDisk.py", line
> 182, in _check_if_path_managed
>     vol = lookup_vol_by_path()[0]
>   File "/usr/lib64/python2.7/site-packages/virtinst/VirtualDisk.py", line
> 164, in lookup_vol_by_path
>     vol = conn.storageVolLookupByPath(path)
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3387, in
> storageVolLookupByPath
>     if ret is None:raise libvirtError('virStorageVolLookupByPath() failed',
> conn=self)
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 35, in __init__
>     err = virGetLastError()
> NameError: global name 'virGetLastError' is not
> defined
> 
> ERROR    global name 'virGetLastError' is not defined

This is a bug in the 1.0.2 version of libvirt. I guess the slackware
maintainers deployed that version without backporting the bug fix for
it :-( File a bug with slackware asking them to apply the following
two patches from upstream

commit 25ea8e47e74def560bf89cd94dd54b75ca5ff4d6
Author: Daniel P. Berrange <berrange redhat com>
Date:   Tue Feb 5 12:55:09 2013 +0000

    Fix missing error constants in libvirt python module
    
    The previous change to the generator, changed too much - only
    the functions are in 'virerror.c', the constants remained in
    'virerror.h' which could not be renamed for API compat reasons.
    
    Add a test case to sanity check the generated python bindings
    
    Signed-off-by: Daniel P. Berrange <berrange redhat com>

commit a6b8bae5a6a4752926eba409202ec061d81c6c8a
Author: Serge Hallyn <serge hallyn canonical com>
Date:   Wed Jan 30 21:05:45 2013 -0600

    complete virterror->virerror name change
    
    Without these two string changes in generator.py, the
    virGetLastError wrapper does not get created in
    /usr/share/pyshared/libvirt.py.  Noticed when running
    tests with virt-install.
    
    Signed-off-by: Serge Hallyn <serge hallyn ubuntu com>

Regards,
Daniel
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