[Users] Importing from KVM

[Itamar Heim]

On 04/05/2012 01:16 PM, Alex Drahon wrote:
> Thanks for your help.
>
> I tried the import with a minimal OVF file as described by Shahar and it
> worked, but failed on activate.
>
> This time I have a constraint violation on pk_vm_static, which means
> that ovirt-engine doesn't create a vm_guid if it isn't here. I guess
> it's the same for a lot of parameters.

that's sounds like a new bug.
please send stack trace (which will also help telling where to look).


>
> To move forward, I'm going to create "shadow" VMs on ovirt-engine,
> export them and import my "real" libvirt/KVM VMs with the exported OVF
> files. Makes sense?
>
> Where should I look in the source tree if I want to (try to) actually
> help with the restore code for imported VMs?
>
> Alex
>
> On Thu, Apr 5, 2012 at 5:59 AM, Shahar Havivi <shaharh at redhat.com
> <mailto:shaharh at redhat.com>> wrote:
>
>     On 05.04.12 07:35, Itamar Heim wrote:
>      > On 04/04/2012 01:13 PM, Alex Drahon wrote:
>      > >Hello all,
>      > >
>      > >I'm trying to import VMs from a Centos5/KVM host to ovirt using
>      > >virt-v2v. I used this command:
>      > >virt-v2v -ic qemu+ssh://root@virthost1.mydomain.local/system -o
>     rhev -os
>      > >virthost3.mydomain.local:/exports/exp --network ovirtmgmt
>      > >test.mydomain.local
>      > >
>      > >It works, but the resulting OVF file cannot be read by ovirt-engine
>      > >("Failed to read VM '[Unknown name]' OVF, it may be corrupted").
>      > >
>      > >I had to edit the OVF file, removing the NIC Item worked, but
>     restoring
>      > >the imported VM fails. Looking at logs, I found a PostgreSQL
>     constraint
>      > >violation on an insert (sorry it's in French)
>      > >"Caused by: org.postgresql.util.PSQLException: ERREUR: la valeur
>     d une
>      > >clé dupliquée rompt la contrainte unique « pk_vm_device »
>      > >   Where: instruction SQL « INSERT INTO vm_device( device_id,
>     vm_id ,
>      > >device , type, address , boot_order , spec_params, is_managed,
>      > >is_plugged, is_readonly) VALUES(  $1  ,  $2  ,  $3  ,  $4  ,  $5
>       ,  $6
>      > >,  $7 ,  $8 ,  $9 ,  $10 ) »"
>      > >
>      > >Looks like there's a primary key violation (duplicate) on insert.
>      >
>      > cc-ing mbooth from v2v to have a look from ovf generation, but there
>      > could be some bug in engine as well as the vm_device code was added
>      > recently.
>      >
>      > >
>      > >I have two questions:
>      > >  - what's the minimal OVF file that can successfully import a VM?
>     you will need the header: the <Reference> tag the <Content> tag with the
>     <Section> items: <System> and <item>s cpu and memory, all other
>     devices can be
>     omit.
>      >
>      > shahar?
>      >
>      > >  - are 'default devices' created if they are not in the OVF file?
>      > >(would explain PK violations)
>      >
>      > eli?
>      >
>      > >
>      > >oVirt is very impressive and stable, deploying was a breeze, but
>     it"s
>      > >difficult to understand why it is so hard to move VMs from a
>     libvirt/KVM
>      > >host (which is basically the same architecture). Am I missing
>     something?
>      >
>      >
>
>