[one-users] Test Adapter for OpenNebula ?

Mehdi Sheikhalishahi mehdi.alishahi at gmail.com
Tue Apr 27 05:55:04 PDT 2010 

Thanks Ruben, this feature is very interesting in OpenNebula.
I've installed it and tried to test it, when I submit a VM, VM cannot
be executed. The following are commands and logs.

oneadmin at one:~/working> onevm list
 ID     USER     NAME STAT CPU     MEM        HOSTNAME        TIME
  2 oneadmin vm-examp fail   0       0      dummyHost5 00 00:00:16

oneadmin at one:~/var/2> cat vm.log
Tue Apr 27 14:46:52 2010 [DiM][I]: New VM state is ACTIVE.
Tue Apr 27 14:46:52 2010 [LCM][I]: New VM state is PROLOG.
Tue Apr 27 14:46:52 2010 [VM][I]: Virtual Machine has no context
Tue Apr 27 14:46:53 2010 [LCM][I]: New VM state is BOOT
Tue Apr 27 14:46:53 2010 [VMM][E]: deploy_action, error getting driver vmm_dummy
Tue Apr 27 14:46:54 2010 [DiM][I]: New VM state is FAILED
Tue Apr 27 14:46:54 2010 [TM][W]: Ignored: TRANSFER SUCCESS 2 -

---And log files
Tue Apr 27 14:44:23 2010 [ONE][I]:        OpenNebula Configuration
File
Tue Apr 27 14:44:23 2010 [ONE][I]:
----------------------------------------------
Tue Apr 27 14:44:23 2010 [ONE][I]:
--------------------------------------------
       DEBUG_LEVEL=3
       HM_MAD=EXECUTABLE=one_hm
       HOST_MONITORING_INTERVAL=5
       IM_MAD=EXECUTABLE=one_im_dummy,NAME=im_dummy
       MAC_PREFIX=00:03
       MANAGER_TIMER=30
       NETWORK_SIZE=254
       PORT=2633
       TM_MAD=ARGUMENTS=tm_dummy/tm_dummy.conf,EXECUTABLE=one_tm,NAME=tm_dummy
       VM_DIR=/srv/cloud/one/var/
       VM_MAD=EXECUTABLE=one_vmm_dummy,NAME=vmm_dummy,TYPE=xml
       VM_POLLING_INTERVAL=60

Tue Apr 27 14:44:25 2010 [VMM][I]: Loading Virtual Machine Manager drivers.
Tue Apr 27 14:44:25 2010 [VMM][I]:      Loading driver: vmm_dummy (XML)
Tue Apr 27 14:44:25 2010 [MAD][E]: MAD did not answer INIT command

Regards,
Mehdi

On Tue, Apr 27, 2010 at 11:59 AM, Ruben S. Montero <rubensm at dacya.ucm.es> wrote:
> Hi,
>
> The URL for the dummy backend:
>
> http://dev.opennebula.org/projects/onesim/wiki
>
> Cheers
>
> Ruben
>
> On Tue, Apr 27, 2010 at 9:25 AM, Mehdi Sheikhalishahi
> <mehdi.alishahi at gmail.com> wrote:
>> Hi All,
>>
>> I'd like to work with OpenNebula in dummy mode (simulated). Would you
>> please let me know about the status of this and how can I start to
>> work with it?
>>
>> Regards,
>> Mehdi
>>
>> On Fri, Oct 2, 2009 at 8:01 AM, Gary Mazz <garymazzaferro at gmail.com> wrote:
>>> Hi Ruben,
>>>
>>> Thansk this works well. It will give me a leg up before I hook into the
>>> cluster.
>>>
>>> cheers, -g
>>>
>>> Ruben S. Montero wrote:
>>>>
>>>> Morning Gary,
>>>>
>>>> Check http://dev.opennebula.org/projects/onesim/wiki/Wiki and give it
>>>> a try. Let us know
>>>> if it is good for your purposes.
>>>>
>>>> Cheers!
>>>>
>>>> Ruben
>>>>
>>>> On Tue, Sep 29, 2009 at 11:25 AM, Gary Mazz <garymazzaferro at gmail.com>
>>>> wrote:
>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I think this would work for the initial development,  I think the
>>>>> simulated
>>>>> time, especially for provisioning and startup is important. It allows my
>>>>> work out the "remote aspects" of the http protocol. A settable in a conf
>>>>> file would be great.
>>>>>
>>>>> Its 3:30 am by me, need some sleep... :-)
>>>>>
>>>>> -gary
>>>>>
>>>>> Borja Sotomayor wrote:
>>>>>
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> Well in fact this may be quite straight forward if we assume that all
>>>>>>> operations always succeed and we do not need to model the behavior of
>>>>>>> the hosts. Gary, let me know if this would work for your demo. Borja,
>>>>>>> we can use this as a very simple development backend.
>>>>>>>
>>>>>>
>>>>>> To be more specific, I think this 'test adapter' would have to provide
>>>>>> the
>>>>>> following features:
>>>>>>
>>>>>> - Allow specification of a number of physical hosts with specific
>>>>>> capacities using a configuration file.
>>>>>>
>>>>>> - Internally keep track of what VMs are running and respond to
>>>>>> monitoring
>>>>>> command with predictable values. For simplicity, a simple starting point
>>>>>> could be to make all VMs say that they are using 0% of their allocated
>>>>>> CPU
>>>>>> or 100% of their allocated CPU (maybe in the future allowing for more
>>>>>> complex models, to replicate real workloads).
>>>>>>
>>>>>> - Allow execution of all OpenNebula operations. For simplicity, as Ruben
>>>>>> points out, a simple starting point is to assume that all operations
>>>>>> complete successfully and instantly. In the future, it would be nice to
>>>>>> also
>>>>>> configure delays (most importantly, suspension/resumption shouldn't be
>>>>>> done
>>>>>> instantaneously; the test driver should try to replicate that there's a
>>>>>> delay while the VM suspends/resumes, and that is should remain in the
>>>>>> "suspending" state for some time before transitioning to "suspended")
>>>>>> and
>>>>>> even failures (e.g., I want to add error handling code in Haizea, but
>>>>>> doing
>>>>>> this with a real testbed is messy, since it involves somehow provoking
>>>>>> the
>>>>>> VMs to fail).
>>>>>>
>>>>>> - As a starting point, this test adapter should operate in "real time".
>>>>>> For simulations, it would be nice to have "simulated time" (so we can
>>>>>> fast-forward through a lot of requests) but since the core and the
>>>>>> scheduler
>>>>>> are separate processes, it would involve coordinating this simulated
>>>>>> time
>>>>>> between the two components. This is doable, but we would to think about
>>>>>> what's the best way of doing this.
>>>>>>
>>>>>>
>>>>>> Gary: Would the above meet your requirements?
>>>>>>
>>>>>>
>>>>>> Cheers!
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>
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>>>
>> _______________________________________________
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>>
>
>
>
> --
> Dr. Ruben Santiago Montero
> Associate Professor (Profesor Titular), Complutense University of Madrid
>
> URL: http://dsa-research.org/doku.php?id=people:ruben
> Weblog: http://blog.dsa-research.org/?author=7
>

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