Finally I was able to rename the disks, the problem was about handling that
put request and my inability to check libcurl documentation (I was treating
the XML I was sending as a string instead of a file).

Sorry because I needed this script to be working as fast as I could, so I
didn't try to reproduce the 500 error, but I wouldn't be suprised if it was
because of a totally wrong URL.

Sorry again :(

On Wed, Jun 28, 2017 at 1:56 PM, Juan Hernández <jhern...@redhat.com> wrote:

> On 06/28/2017 01:34 PM, Bruno Rodriguez wrote:
> > Shit, I got it. Sorry
> >
> > The problem is that I was accessing to the v4 disk-attachment id and I
> > was getting everything quite messed up. I was doing all of this while
> > creating a machine, so I was trying to rename the disk at the same time
> > it's being created.
> >
> > I'll delete all the "if ($ovirt_major == 3)" I have in my code. If I
> > have any problem I'll let you know.
> >
> > Thank you
> >
>
> If what you want to do is set the name of the disk for a VM that you are
> creating then you can just set it when adding the disk:
>
>   POST /ovirt-engine/api/vms/123/diskattachments
>
>   <disk_attachment>
>     <disk>
>       <name>yourfavoritename</name>
>       ...
>     </disk>
>     ...
>   </disk_attachment>
>
> That way you don't need to modify it later.
>
> Also, in general, try to wait till the objects are completely created
> before trying to use or update them. For disks in particular, it is good
> idea to repeatedly retrieve the disk till the 'status' is 'OK':
>
>
> https://github.com/oVirt/ovirt-engine-sdk/blob/master/
> sdk/examples/add_vm_disk.py#L73-L80
>
> (This is an example from the Python SDK, but you get the idea. There are
> SDKs for Ruby and Java as well.)
>
> Finally, if you get a 500 error then there is most probably a bug. The
> API should never return that, even if you try to do something that
> doesn't make sense it should respond with a reasonable error message. If
> you keep getting that 500 error please share the details.
>
> > On Wed, Jun 28, 2017 at 1:03 PM, Juan Hernández <jhern...@redhat.com
> > <mailto:jhern...@redhat.com>> wrote:
> >
> >     On 06/28/2017 12:55 PM, Bruno Rodriguez wrote:
> >     > I'm sorry about bothering you again, but after trying it some
> times I'm
> >     > still getting a "500 Internal Server Error". I'm using a REST
> client
> >     > instead of CURL and I tried adding a "Version: 3" to headers and
> used
> >     > the URL with the v3 as well.
> >     >
> >     > I'm issuing a PUT of
> >     >
> >     > <disk><alias>Alias_for_disk</alias></disk>
> >     >
> >     > To the URL
> >     >
> >     > https://myserver/ovirt-engine/api/v3/vms/62498f51-0203-48b9-
> 83c8-4c6f3bdfe05c/disks/583ed952-46a8-4bc5-8a27-8660e4a24ea2
> >     <https://myserver/ovirt-engine/api/v3/vms/62498f51-
> 0203-48b9-83c8-4c6f3bdfe05c/disks/583ed952-46a8-4bc5-8a27-8660e4a24ea2>
> >     >
> >     > I mean, I can live without it but we are using oVirt as a "static
> >     > virtualization" environment and is quite useful for us being able
> to
> >     > recognize easily each disk by its server name. In case I have to
> wait
> >     > until the 4.2 API version to automatize this I'll do :(
> >     >
> >
> >     That should work. Can you please check if you get any useful message
> in
> >     /var/log/ovirt-engine/server.log or /var/log/ovirt-engine/engine.
> log?
> >
> >     >
> >     >
> >     > On Wed, Jun 28, 2017 at 11:18 AM, Bruno Rodriguez <br...@pic.es
> <mailto:br...@pic.es>
> >     > <mailto:br...@pic.es <mailto:br...@pic.es>>> wrote:
> >     >
> >     >     Thank you very much !!!
> >     >
> >     >     I expected I was missing something like that. Thanks again!
> >     >
> >     >     On Wed, Jun 28, 2017 at 11:12 AM, Juan Hernández
> >     >     <jhern...@redhat.com <mailto:jhern...@redhat.com>
> >     <mailto:jhern...@redhat.com <mailto:jhern...@redhat.com>>> wrote:
> >     >
> >     >         On 06/28/2017 10:43 AM, Bruno Rodriguez wrote:
> >     >         > Thank you, Daniel
> >     >         >
> >     >         > I tried a PUT with the same XML body, I got a "405
> >     Method Not Allowed".
> >     >         > It's quite strange, there must be someting I'm missing
> >     >         >
> >     >
> >     >         The operation to update a disk will be introduced in
> version 4
> >     >         of the
> >     >         API with version 4.2 of the engine. Meanwhile the way to
> >     update
> >     >         the disk
> >     >         is to use version 3 of the API and the disks
> >     sub-collection of the
> >     >         virtual machine. That means that if you have a VM with id
> 123
> >     >         and a disk
> >     >         with id 456 you can send a request like this:
> >     >
> >     >           PUT /ovirt-engine/api/v3/vms/123/disks/456
> >     >
> >     >         With a request body like this:
> >     >
> >     >           <disk>
> >     >             <alias>newalias</alias>
> >     >           </disk>
> >     >
> >     >         Note that you can use the above "v3" prefix in the URL or
> >     else the
> >     >         "Version: 3" header. A complete example using curl:
> >     >
> >     >         ---8<---
> >     >         #!/bin/bash -ex
> >     >
> >     >         url="https://.../ovirt-engine/api";
> >     >         user="admin@internal"
> >     >         password="..."
> >     >         vm_id="..."
> >     >         disk_id="..."
> >     >
> >     >         curl \
> >     >         --verbose \
> >     >         --cacert "ca.pem" \
> >     >         --header "Version: 3" \
> >     >         --header "Content-Type: application/xml" \
> >     >         --user "${user}:${password}" \
> >     >         --request PUT \
> >     >         --data "
> >     >         <disk>
> >     >           <alias>newalias</alias>
> >     >         </disk>
> >     >         " \
> >     >         "${url}/vms/${vm_id}/disks/${disk_id}"
> >     >         --->8---
> >     >
> >     >         >
> >     >         > On Wed, Jun 28, 2017 at 10:07 AM, Daniel Erez
> >     <de...@redhat.com <mailto:de...@redhat.com> <mailto:de...@redhat.com
> >     <mailto:de...@redhat.com>>
> >     >         > <mailto:de...@redhat.com <mailto:de...@redhat.com>
> <mailto:de...@redhat.com
> >     <mailto:de...@redhat.com>>>> wrote:
> >     >         >
> >     >         >     Hi,
> >     >         >
> >     >         >     Updating is done using the PUT method.
> >     >         >     Please try that with the same XML body.
> >     >         >
> >     >         >     Thanks,
> >     >         >     Daniel
> >     >         >
> >     >         >     On Wed, Jun 28, 2017 at 10:26 AM Bruno Rodriguez <
> br...@pic.es <mailto:br...@pic.es> <mailto:br...@pic.es
> >     <mailto:br...@pic.es>>
> >     >         >     <mailto:br...@pic.es <mailto:br...@pic.es>
> >     <mailto:br...@pic.es <mailto:br...@pic.es>>>> wrote:
> >     >         >
> >     >         >         Hello everyone,
> >     >         >
> >     >         >         I'm having some problems about renaming some
> >     disks (setting a
> >     >         >         different alias, name or description) for VMs
> >     disks created from
> >     >         >         a template. When I get this URL
> >     >         >
> >     >         >
> >      https://ovirt-manager/ovirt-engine/api/disks/0123
> >     <https://ovirt-manager/ovirt-engine/api/disks/0123>
> >     >         <https://ovirt-manager/ovirt-engine/api/disks/0123
> >     <https://ovirt-manager/ovirt-engine/api/disks/0123>>
> >     >         >
> >      <https://ovirt-manager/ovirt-engine/api/disks/0123
> >     <https://ovirt-manager/ovirt-engine/api/disks/0123>
> >     >         <https://ovirt-manager/ovirt-engine/api/disks/0123
> >     <https://ovirt-manager/ovirt-engine/api/disks/0123>>>
> >     >         >
> >     >         >         I can see are the methods sparsify, export, move
> >     and copy. I
> >     >         >         tried to POST the following XML to the previous
> >     URL with no
> >     >         >         result (as expected, it won't work)
> >     >         >
> >     >         >         <disk>
> >     >         >           <alias>my_machine_Disk1</alias>
> >     >         >         </disk>
> >     >         >
> >     >         >         I'm quite sure I'm thinking about it in a wrong
> >     way (as usual).
> >     >         >         Any help would be welcome...
> >     >         >
> >     >         >         Thank you in advance
> >     >         >
> >     >         >         --
> >     >         >         Bruno Rodríguez Rodríguez
> >     >         >
> >     >         >         *Port d'Informació Científica (PIC)*
> >     >         >
> >     >         >         _______________________________________________
> >     >         >         Users mailing list
> >     >         >         Users@ovirt.org <mailto:Users@ovirt.org>
> >     <mailto:Users@ovirt.org <mailto:Users@ovirt.org>>
> >     >         <mailto:Users@ovirt.org <mailto:Users@ovirt.org>
> >     <mailto:Users@ovirt.org <mailto:Users@ovirt.org>>>
> >     >         >         http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>
> >     >         <http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>>
> >     >         >         <http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>
> >     >         <http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>>>
> >     >         >
> >     >         >
> >     >         >
> >     >         >
> >     >         > --
> >     >         > Bruno Rodríguez Rodríguez
> >     >         >
> >     >         > *Port d'Informació Científica (PIC)*
> >     >         > Campus UAB - Edificio D,
> >     >         > C / Albareda, s / n
> >     >         > 08193-Bellaterra (Barcelona), España
> >     >         > Telf. +34 93 170 27 30 <tel:%2B34%2093%20170%2027%2030>
> >     <tel:%2B34%2093%20170%2027%2030>
> >     >         > GPS  coordenadas:  41.500850 2.110628
> >     >         >
> >     >         > "Si algo me ha enseñado el tetris, es que los errores se
> >     acumulan y los
> >     >         > triunfos desaparecen"
> >     >         >
> >     >         >
> >     >         > _______________________________________________
> >     >         > Users mailing list
> >     >         > Users@ovirt.org <mailto:Users@ovirt.org>
> >     <mailto:Users@ovirt.org <mailto:Users@ovirt.org>>
> >     >         > http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>
> >     >         <http://lists.ovirt.org/mailman/listinfo/users
> >     <http://lists.ovirt.org/mailman/listinfo/users>>
> >     >         >
> >     >
> >     >
> >     >
> >     >
> >     >     --
> >     >     Bruno Rodríguez Rodríguez
> >     >
> >     >     *Port d'Informació Científica (PIC)*
> >     >     Campus UAB - Edificio D,
> >     >     C / Albareda, s / n
> >     >     08193-Bellaterra (Barcelona), España
> >     >     Telf. +34 93 170 27 30 <tel:%2B34%2093%20170%2027%2030>
> >     >     GPS  coordenadas:  41.500850 2.110628
> >     >
> >     >     "Si algo me ha enseñado el tetris, es que los errores se
> >     acumulan y
> >     >     los triunfos desaparecen"
> >     >
> >     >
> >     >
> >     >
> >     > --
> >     > Bruno Rodríguez Rodríguez
> >     >
> >     > *Port d'Informació Científica (PIC)*
> >     > Campus UAB - Edificio D,
> >     > C / Albareda, s / n
> >     > 08193-Bellaterra (Barcelona), España
> >     > Telf. +34 93 170 27 30 <tel:%2B34%2093%20170%2027%2030>
> >     > GPS  coordenadas:  41.500850 2.110628
> >     >
> >     > "Si algo me ha enseñado el tetris, es que los errores se acumulan
> >     y los
> >     > triunfos desaparecen"
> >
> >
> >
> >
> > --
> > Bruno Rodríguez Rodríguez
> >
> > *Port d'Informació Científica (PIC)*
> > Campus UAB - Edificio D,
> > C / Albareda, s / n
> > 08193-Bellaterra (Barcelona), España
> > Telf. +34 93 170 27 30
> > GPS  coordenadas:  41.500850 2.110628
> >
> > "Si algo me ha enseñado el tetris, es que los errores se acumulan y los
> > triunfos desaparecen"
>
>


-- 
Bruno Rodríguez Rodríguez

*Port d'Informació Científica (PIC)*
Campus UAB - Edificio D,
C / Albareda, s / n
08193-Bellaterra (Barcelona), España
Telf. +34 93 170 27 30
GPS  coordenadas:  41.500850 2.110628

"Si algo me ha enseñado el tetris, es que los errores se acumulan y los
triunfos desaparecen"
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