openstack team mailing list archive

[Pengjun Pan <panpengjun@xxxxxxxxx>]

Post your filter file. Might be a typo.

PJ

On Thu, Aug 2, 2012 at 1:02 PM, Heng Xu
<shouhengzhang.xu@xxxxxxxxxxxxxxxx> wrote:
> Hi, I recorded the error message, below
>
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp   File "/opt/stack/nova/nova/scheduler/filters/json_filter.py", line 141, in host_passes
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp     result = self._process_filter(jsonutils.loads(query), host_state)
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/jsonutils.py", line 123, in loads
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp     return json.loads(s)
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/json/__init__.py", line 326, in loads
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp     return _default_decoder.decode(s)
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp     obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp   File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp     raise ValueError("No JSON object could be decoded")
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp ValueError: No JSON object could be decoded
> 2012-08-02 13:51:02 TRACE nova.rpc.amqp
>
> it seems that the filter cannot find my json file, so although I was using the --hint functionality, whatever typed after the hint did not went to the filter host_passed function, so it could not locate the json object, any thoughts?
> Thanks. Heng
>
> ________________________________________
> From: openstack-bounces+shouhengzhang.xu=mail.utoronto.ca@xxxxxxxxxxxxxxxxxxx [openstack-bounces+shouhengzhang.xu=mail.utoronto.ca@xxxxxxxxxxxxxxxxxxx] on behalf of Heng Xu [shouhengzhang.xu@xxxxxxxxxxxxxxxx]
> Sent: Thursday, August 02, 2012 4:47 PM
> To: Pengjun Pan
> Cc: openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] Cannot pass hint to Nova Scheduler
>
> Hi PJ
>
> I don't know what happen, I could not find the file in my Ubuntu filesystem, I searched for it, no result, but I just used ./stack.sh to install it, I it is just me could not find the file? Any thoughts?
> thank you
>
> Heng
> ________________________________________
> From: Pengjun Pan [panpengjun@xxxxxxxxx]
> Sent: Thursday, August 02, 2012 4:42 PM
> To: Heng Xu
> Cc: Joseph Suh; openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] Cannot pass hint to Nova Scheduler
>
> Hi Heng,
>
> The log should be in /var/log/nova/nova-scheduler.log.
>
> PJ
>
> On Thu, Aug 2, 2012 at 10:44 AM, Heng Xu
> <shouhengzhang.xu@xxxxxxxxxxxxxxxx> wrote:
>> Hello Joseph:
>> I am not sure where to find the log, so I just used the screen to n-sch,
>> and one of the error is
>> TRACE nova.rpc.amqp ValueError: No JSON object could be decoded
>> and I have no idea why this happened?
>> Thank you.
>> Heng
>>
>> ________________________________________
>> From: Joseph Suh [jsuh@xxxxxxx]
>> Sent: Thursday, August 02, 2012 3:28 PM
>> To: Heng Xu
>> Cc: openstack@xxxxxxxxxxxxxxxxxxx
>> Subject: Re: [Openstack] Cannot pass hint to Nova Scheduler
>>
>> Heng,
>>
>> Does scheduler log show any error message or complaints?
>>
>> Thanks,
>>
>> Joseph
>>
>> ----
>> (w) 703-248-6160
>> (f) 703-812-3712
>> http://www.east.isi.edu/~jsuh
>>
>> Information Sciences Institute
>> University of Southern California
>> 3811 N. Fairfax Drive Suite 200
>> Arlington, VA, 22203, USA
>>
>>
>> ----- Original Message -----
>> From: "Heng Xu" <shouhengzhang.xu@xxxxxxxxxxxxxxxx>
>> To: openstack@xxxxxxxxxxxxxxxxxxx
>> Sent: Thursday, August 2, 2012 10:57:53 AM
>> Subject: [Openstack] Cannot pass hint to Nova Scheduler
>>
>>
>>
>> Hi folks:
>> I am new to openstack, I am current trying to test the json filter, I changed my /etc/nova/nova.conf as follow
>>
>> scheduler_driver=nova.
>> scheduler.multi.MultiScheduler
>> compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
>> volume_scheduler_driver=nova.scheduler.chance.ChanceScheduler
>> scheduler_available_filters=nova.scheduler.filters.standard_filters
>> scheduler_default_filters=JsonFilter
>> least_cost_functions=nova.scheduler.least_cost.compute_fill_first_cost_fn
>> compute_fill_first_cost_fn_weight=-1.0
>>
>> so I can use the json filter
>> however, when I was using it, if I boot a vm without any --hint to the scheduler, then the vm started fine, but if I use
>>
>> nova --debug boot --image 827d564a-e636-4fc4-a376-
>> d36f7ebe1747 --flavor 1 --hint query=['>=','$free_ram_mb',1024] server1
>>
>> my vm started with error, and the following were output from the command above
>>
>> +-----------------------------
>> --------+--------------------------------------+
>> | Property | Value |
>> +-------------------------------------+--------------------------------------+
>> | OS-DCF:diskConfig | MANUAL |
>> | OS-EXT-SRV-ATTR:host | None |
>> | OS-EXT-SRV-ATTR:hypervisor_hostname | None |
>> | OS-EXT-SRV-ATTR:instance_name | instance-0000002b |
>> | OS-EXT-STS:power_state | 0 |
>> | OS-EXT-STS:task_state | scheduling |
>> | OS-EXT-STS:vm_state | error |
>> | accessIPv4 | |
>> | accessIPv6 | |
>> | adminPass | dKvrsv4MZtfc |
>> | config_drive | |
>> | created | 2012-08-02T14:25:10Z |
>> | flavor | m1.tiny |
>> | hostId | |
>> | id | 9d4a5855-3c69-40ba-b50d-3a2aa6a92edc |
>> | image | cirros-0.3.0-x86_64-uec |
>> | key_name | |
>> | metadata | {} |
>> | name | server1 |
>> | progress | 0 |
>> | status | BUILD |
>> | tenant_id | d99ffa1b0c43455ab8dbbd81cf4380a7 |
>> | updated | 2012-08-02T14:25:10Z |
>> | user_id | d5e02f1810a44575b99a147f94507da1 |
>> +-------------------------------------+--------------------------------------+
>>
>> as you can see, the vm is in error, this also happens whenever I need to pass a hint to the scheduler, as in samehostfilter and differenthostfilter,
>>
>> Does anyone know what's going on, thanks in advance.
>> Heng
>>
>>
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>>
>>
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>
>
>
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