Open Stack

> On Mar 29, 2016, at 08:39, Senthilprabu Shanmugavel <senthilprabu.s at gmail.com> wrote:
> 
> Thanks Jim. WA did the trick. Very well explained. 
> 
> Should I raise a bug for fake driver's power state?.

That would be great, thanks in advance! :)

// jim 

> 
>> On Tue, Mar 29, 2016 at 5:30 PM, Jim Rollenhagen <jim at jimrollenhagen.com> wrote:
>> On Tue, Mar 29, 2016 at 04:59:09PM +0300, Senthilprabu Shanmugavel wrote:
>> > Hello,
>> >
>> > I am using Ironic for deploying baremetal to my openstack environment.
>> > Using Liberty version on Ubuntu 14.04. I followed Ironic documentation  to
>> > deploy x86 servers using pxe_ipmitool. Now I have a working Ironic setup
>> > for PXE boot. I also want to add my test board running ARM 64 bit CPU to
>> > ironic deployment. I would like to try using fake_pxe drivers because my
>> > board don't support IPMI or anything else for out of band communication. So
>> > idea was to do deployment without power management, eventually fake_pxe is
>> > the obvious choice. But I have problem in updating the Ironic node which I
>> > will explain below.
>> >
>> > I created ironic node using fake_pxe driver. Added all necessary parameters
>> > using node-update command. Node-show command output is given below for
>> > reference
>> >
>> > <snip>
>> >
>> > Because of this during nova boot, scheduler failed to boot the BM instance.
>> >
>> > Can anyone help me with what's wrong in my configuration?....
>> 
>> I guess probably someone has never used the fake power driver with
>> devstack. :)
>> 
>> If a node's power state is None, it will be ignored by Nova:
>> https://github.com/openstack/nova/blob/master/nova/virt/ironic/driver.py#L171
>> 
>> And the fake power driver doesn't set the power state to on/off itself:
>> https://github.com/openstack/ironic/blob/master/ironic/drivers/modules/fake.py#L43
>> 
>> We should probably fix this by changing it to:
>>     return task.node.power_state or states.POWER_ON
>> 
>> In the meantime, an easy workaround would be:
>> ironic node-set-power-state <uuid> on
>> ironic node-set-power-state <uuid> off
>> 
>> Which would have the driver 'remember' the power state is currently off,
>> allowing Nova to pick up the resources.
>> 
>> Hope that helps :)
>> 
>> // jim
>> 
>> >
>> >
>> >
>> > Thanks in advance,
>> > Senthil
>> 
>> > __________________________________________________________________________
>> > OpenStack Development Mailing List (not for usage questions)
>> > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>> 
>> 
>> __________________________________________________________________________
>> OpenStack Development Mailing List (not for usage questions)
>> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> 
> 
> 
> -- 
> Best Regards,
> Senthilprabu Shanmugavel
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20160329/7951f694/attachment.html>