On Wed, Apr 05, 2006 at 09:24:42PM +0200, Thorolf Godawa wrote:
> Hi all,
>
> I wrote a small python-script to monitor the status of the started VMs
> based on the xenmon.py and the following code I got from Anthony Liguori:
>
> [Snip]
>
> It breaks at line "doms = server.xend_list_domains()" with the following
> error:
>
> ----------------------------------------
> Traceback (most recent call last):
> File "xentest1.py", line 22, in ?
> doms = server.xend_list_domains()
> File "/usr/lib/python2.4/xmlrpclib.py", line 1096, in __call__
> return self.__send(self.__name, args)
> File "/usr/lib/python2.4/xmlrpclib.py", line 1383, in __request
> verbose=self.__verbose
> File "/usr/lib/python2.4/site-packages/xen/util/xmlrpclib2.py", line
> 46, in request
> return Transport.request(self, host, '/RPC2', request_body, verbose)
> File "/usr/lib/python2.4/xmlrpclib.py", line 1147, in request
> return self._parse_response(h.getfile(), sock)
> File "/usr/lib/python2.4/xmlrpclib.py", line 1286, in _parse_response
> return u.close()
> File "/usr/lib/python2.4/xmlrpclib.py", line 744, in close
> raise Fault(**self._stack[0])
> xmlrpclib.Fault: <Fault 1: 'Traceback (most recent call last):\n File
> "/usr/lib/python2.4/site-packages/xen/util/xmlrpclib2.py", line 74, in
> _marshaled_dispatch\n response = self._dispatch(method, params)\n
> File "/usr/lib/python2.4/SimpleXMLRPCServer.py", line 408, in
> _dispatch\n raise Exception(\'method "%s" is not supported\' %
> method)\nException: method "xend_list_domains" is not supported\n'>
> ----------------------------------------
>
> If I see right it now uses "/usr/lib/python2.4/SimpleXMLRPCServer.py"
> (what does not exist in Xen 3.0_8659-2) and breaks because the method
> "xend_list_domains" is not supported anymore I use to get the
> domain-informations with the script.
>
> Is there a better way to get the VM-status like name, memory, state,
> CPU-usage etc. via Python than using the mechanism from xenmon.py and
> the above one?
Try server.xend.domains(True). This changed with the new XML-RPC interface,
courtesy of the aforementioned hacker.
Ewan.
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