[Users] hosted engine help

[Greg Padgett]

On 03/11/2014 04:09 PM, Sandro Bonazzola wrote:
> Il 07/03/2014 01:10, Jason Brooks ha scritto:
>> Hey everyone, I've been testing out oVirt 3.4 w/ hosted engine, and
>> while I've managed to bring the engine up, I've only been able to do it
>> manually, using "hosted-engine --vm-start".
>>
>> The ovirt-ha-agent service fails reliably for me, erroring out with
>> "RequestError: Request failed: success."
>>
>> I've pasted error passages from the ha agent and vdsm logs below.
>>
>> Any pointers?
>>
>> Regards, Jason
>>
>> ***
>>
>> ovirt-ha-agent.log
>>
>> MainThread::CRITICAL::2014-03-06
>> 18:48:30,622::agent::103::ovirt_hosted_engine_ha.agent.agent.Agent::(run) Could not start ha-agent
>> Traceback (most recent call last):
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 97, in run
>>      self._run_agent()
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 154, in _run_agent
>>
>> hosted_engine.HostedEngine(self.shutdown_requested).start_monitoring()
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py", line 303, in start_monitoring
>>      for old_state, state, delay in self.fsm:
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", line 125, in next
>>      new_data = self.refresh(self._state.data)
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/state_machine.py", line 77, in refresh
>>      stats.update(self.hosted_engine.collect_stats())
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py", line 623, in collect_stats
>>      constants.SERVICE_TYPE)
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 171, in get_stats_from_storage
>>      result = self._checked_communicate(request)
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 198, in _checked_communicate
>>      raise RequestError("Request failed: {0}".format(msg))
>> RequestError: Request failed: success
>>
>>
>> vdsm.log
>>
>> Thread-29::ERROR::2014-03-06 18:48:11,101::API::1607::vds::(_getHaInfo)
>> failed to retrieve Hosted Engine HA info
>> Traceback (most recent call last):
>>    File "/usr/share/vdsm/API.py", line 1598, in _getHaInfo
>>      stats = instance.get_all_stats()
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 86, in get_all_stats
>>      constants.SERVICE_TYPE)
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 171, in get_stats_from_storage
>>      result = self._checked_communicate(request)
>>    File
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 198, in _checked_communicate
>>      raise RequestError("Request failed: {0}".format(msg))
>> RequestError: Request failed: success
>
>
> Greg, Martin, "Request failed: success" ?

Hi Jason,

I talked to Martin about this and opened a bug [1]/submitted a patch [2]. 
  Based on your mail, I'm not sure if you experienced a race condition or 
some other issue.  This patch should help the former case, but if you're 
still experiencing problems then we would need to investigate further.

Thanks,
Greg

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1075126
[2] http://gerrit.ovirt.org/#/c/25621/

>>
>>
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