On 9 Nov 2016, at 08:55, Francesco Romani <fromani(a)redhat.com>
wrote:
----- Original Message -----
> From: "Piotr Kliczewski" <pkliczew(a)redhat.com>
> To: "Martin Perina" <mperina(a)redhat.com>
> Cc: "Francesco Romani" <fromani(a)redhat.com>, "Shira
Maximov" <mshira(a)redhat.com>, "devel" <devel(a)ovirt.org>
> Sent: Tuesday, November 8, 2016 9:31:43 PM
> Subject: Re: [vdsm] Connection refused when talking to jsonrpc
>>> 2016-11-08 18:25:30,030 - mom - ERROR - Failed to initialize MOM threads
>>> Traceback (most recent call last):
>>> File "/usr/lib/python2.7/site-packages/mom/__init__.py", line 29,
in
>>> run
>>> hypervisor_iface = self.get_hypervisor_interface()
>>> File "/usr/lib/python2.7/site-packages/mom/__init__.py", line
217,
>>> in get_hypervisor_interface
>>> return module.instance(self.config)
>>> File "/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/v
>>> dsmjsonrpcbulkInterface.py",
>>> line 47, in instance
>>> return JsonRpcVdsmBulkInterface()
>>> File "/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/v
>>> dsmjsonrpcbulkInterface.py",
>>> line 29, in __init__
>>> super(JsonRpcVdsmBulkInterface, self).__init__()
>>> File "/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/v
>>> dsmjsonrpcInterface.py",
>>> line 43, in __init__
>>> .orRaise(RuntimeError, 'No connection to VDSM.')
>>> File "/usr/lib/python2.7/site-packages/mom/optional.py", line 28,
in
>>> orRaise
>>> raise exception(*args, **kwargs)
>>> RuntimeError: No connection to VDSM.
>>>
>>>
>>> The question here is, how much time does VDSM need to allow jsonrpc to
>>> connect and request a ping and list of VMs?
>>>
>>>
> It depends on recovery logic in vdsm and it can take quite some time.
>
> Please share vdsm logs so I could take a look?
+1
the most likely cause is the recovery still in progress, however I was expecting
a different error, so worth looking at the logs.
Isn’t the most likely cause by far a simple startup delay? We do open the listener “soon”
and responds with code 99, but it’s still not instant of course
Bests,
--
Francesco Romani
Red Hat Engineering Virtualization R & D
Phone: 8261328
IRC: fromani
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