Re: [Users] modifying vmdisk hook

On 05.06.12 16:21, Nathanaël Blanchet wrote: > Hi, > > when executing several hook, I always have this issue in the vdsm logs : > File "/usr/libexec/vdsm/hooks/before_vm_start/40_directlun", line 9, > in<module> > from vdsm import utils > ImportError: No module named vdsm > > and the vm refuses to boot > > how to correct this ? how did you install this? > > Le 04/06/2012 17:16, Shahar Havivi a écrit : >> On 04.06.12 17:03, Nathanaël Blanchet wrote: >>> Hello, >>> >>> I'm testing hooks in vdsm and I need some help on modifying one of >>> your pyhton script : vmdisk (http://gerrit.ovirt.org/gitweb?p=vdsm.git;a=blob;f=vdsm_hooks/vmdisk/befo...) >>> the hook works great and I'm able now to attach a file device as a >>> second disk. But I want this disk to be the first bootable disk >>> instead of the block device one created into the engine. In order to >>> change the boot order of the disk, I added those lines: >>> >>> ... >>> source = domxml.createElement('source') >>> source.setAttribute('file', devpath) >>> disk.appendChild(source) >>> >>> boot = domxml.createElement('boot') >>> boot.setAttribute('order', 1) >>> disk.appendChild(boot) >>> >>> # find a name for vdXXX >>> ..... >>> >>> So the hook permit<boot order=1> item >>> (http://libvirt.org/formatdomain.html#elementsDisks) >>> >>> But the vm refuses booting without any logs anywhere... >>> >>> What is wrong? >>> >>> Thanks for your help >> Hi, >> 1. try to change the number to string: >> boot.setAttribute('order', '1') >> 2. you have a libvirt log at /var/log/libvirt/qemu/youvmname.log >> 3. when the script enumerate all the disks you need to change the other disk >> boot order: >> for d in xmldisks: >> # here look in each disk for boot element and change its order attribute >> # to other number, ie 2, 3 ... >> >> >>> -- >>> Nathanaël Blanchet >>> >>> Supervision réseau >>> Pôle exploitation et maintenance >>> Département des systèmes d'information >>> 227 avenue Professeur-Jean-Louis-Viala >>> 34193 MONTPELLIER CEDEX 5 >>> Tél. 33 (0)4 67 54 84 55 >>> Fax 33 (0)4 67 54 84 14 >>> blanchet(a)abes.fr >>> > -- > Nathanaël Blanchet > > Supervision réseau > Pôle exploitation et maintenance > Département des systèmes d'information > 227 avenue Professeur-Jean-Louis-Viala > 34193 MONTPELLIER CEDEX 5 > Tél. 33 (0)4 67 54 84 55 > Fax 33 (0)4 67 54 84 14 > blanchet(a)abes.fr >