[Xen-users] xen4 on Debian and xmlrpc over ssl

[Alexandre Chapellon <a.chapellon@xxxxxxxxx>]

Hello,

I am using xen for quite a while. To ensure better feeling for everybody 
here I use convirt as a VM life cycle manager.
Convirt uses XMLRPC api of xen to talk to the hypervisor, and I 
configured convirt to use it over SSL for peace of mind. It all worked 
nicely with Xen3.2 but I have recently discovered some issues, i assume 
comes from xen4.
My xend-debug.log are full of error messages like this:

|Traceback (most recent call last):
  File "/usr/lib/python2.5/SocketServer.py", line 464, in 
process_request_thread
    self.finish_request(request, client_address)
  File "/usr/lib/python2.5/SocketServer.py", line 254, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/xen-4.0/lib/python/xen/util/xmlrpclib2.py", line 106, 
in <lambda>
    requestHandler(allowed, x, y, z)),
  File "/usr/lib/xen-4.0/lib/python/xen/util/xmlrpclib2.py", line 65, 
in __init__
    server)
  File "/usr/lib/python2.5/SocketServer.py", line 522, in __init__
    self.handle()
  File "/usr/lib/python2.5/BaseHTTPServer.py", line 316, in handle
    self.handle_one_request()
  File "/usr/lib/python2.5/BaseHTTPServer.py", line 310, in 
handle_one_request
    method()
  File "/usr/lib/xen-4.0/lib/python/xen/util/xmlrpclib2.py", line 90, 
in do_POST
    self.connection.shutdown(1)
  File 
"/usr/lib/xen-4.0/lib/python/xen/xend/server/SSLXMLRPCServer.py", line 
67, in shutdown
    self.__dict__["conn"].shutdown()
Error: []
Exception in thread Thread-76:
Traceback (most recent call last):
  File "/usr/lib/python2.5/threading.py", line 486, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.5/threading.py", line 446, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.5/SocketServer.py", line 468, in 
process_request_thread
    self.close_request(request)
  File "/usr/lib/python2.5/SocketServer.py", line 378, in close_request
    request.close()
  File 
"/usr/lib/xen-4.0/lib/python/xen/xend/server/SSLXMLRPCServer.py", line 
56, in close
    self.shutdown()
  File 
"/usr/lib/xen-4.0/lib/python/xen/xend/server/SSLXMLRPCServer.py", line 
66, in shutdown
    self.__dict__["conn"].shutdown()
Error: []|

Some fonctionnality of convirt that used to work with xen3 do not work. 
As the error message seemed to involve use of SLL with XMLRPC. I 
modified my configuration convirt and xend to use cleartext XMLRPC... 
The error then disappeared and functionnalty that failed works again.
Does anybody has a clue what can cause thoose messages (maybe this post 
should go to the devel lists?)
regards.

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