[ovirt-devel] REST api and template creation
Christopher Pereira
kripper at imatronix.cl
Sat May 9 07:08:22 UTC 2015
Template creation is failing, because Engine is not receiving the alias
which apparently is required since 3.5.
This is the XML sent to engine. Alias is there.
API bug?
<template>
<name>UDSP_ovirt-22</name>
<description>UDS pub for ovirt at 2015-05-09 08:36:58</description>
<vm id="3774dcd0-9e1a-47af-9560-fde85f46bfa1">
<disks>
<disk id="f96b3718-3ccf-42f4-8537-e20dc5dd7bc3">
<name>test</name>
* <alias>test</alias> *
<storage_domains>
<storage_domain
id="07326302-2c80-4d55-a7a2-ea79c55855e3"/>
</storage_domains>
</disk>
</disks>
</vm>
<cluster id="00000001-0001-0001-0001-00000000019d"/>
</template>
On 09-05-2015 3:34, Adolfo wrote:
> Hello all,
>
> My name is Adolfo, i'm in charge of developing of UDS (you can see
> something about it on ovirt home page, the case study
> http://www.ovirt.org/Universidad_de_Sevilla_Case_Study. ).
>
> Recently (a couple of days ago), i started to test UDS against ovirt
> 3.5, and sudenlty Template creation as was supported previously does
> not works. :(
>
> The idea is allow to create the template in the storage that the
> administrator of UDS selects.
>
> The process is simple and was working perfectly before to 3.5 release
> (on 3.4, 3.3, 3.2 as long as i can remember). After getting all the
> data we need, we do the following (code follows):
>
> vm is the origin vm:
>
> # Create disks description to be created in specified
> storage domain, one for each disk
> sd =
> params.StorageDomains(storage_domain=[params.StorageDomain(id=storageId)])
>
> dsks = []
> for dsk in vm.disks.list():
> dks.append(params.Disk(id=dsk.get_id(),
> storage_domains=sd, name='test', alias='test'))
>
> disks = params.Disks(disk=dsks)
>
> template = params.Template(
> name=name,
> vm=params.VM(id=vm.get_id(), disks=disks),
> cluster=params.Cluster(id=cluster.get_id()),
> description=comments
> )
>
> return api.templates.add(template).get_id()
>
> This is the debug output of the request:
>
> POST /api/templates HTTP/1.1
> Host: ovirt.dkmon.com
> Accept-Encoding: identity
> Content-Length: 2656
> Filter: False
> cookie: JSESSIONID=2Ihu3uUWFhvl2xbsi5i7yBip.undefined
> Prefer: persistent-auth
> Content-type: application/xml
> Accept: application/xml
>
> <template>
> <name>UDSP_ovirt-21</name>
> <description>UDS pub for ovirt at 2015-05-09 08:27:06</description>
> <vm id="3774dcd0-9e1a-47af-9560-fde85f46bfa1">
> <disks>
> <disk
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3"
> id="f96b3718-3ccf-42f4-8537-e20dc5dd7bc3">
> <actions>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/deactivate"
> rel="deactivate"/>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/activate"
> rel="activate"/>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/export"
> rel="export"/>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/move"
> rel="move"/>
> </actions>
> <name>no-os_Dsk1</name>
> <description>Small empty disk</description>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/permissions"
> rel="permissions"/>
> <link
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1/disks/f96b3718-3ccf-42f4-8537-e20dc5dd7bc3/statistics"
> rel="statistics"/>
> <vm
> href="/api/vms/3774dcd0-9e1a-47af-9560-fde85f46bfa1"
> id="3774dcd0-9e1a-47af-9560-fde85f46bfa1"/>
> <alias>no-os_Dsk1</alias>
> <image_id>a79f7fe7-bcae-4cc3-8b11-d60702a46147</image_id>
> <storage_domains>
> <storage_domain
> id="a893809b-2ba9-4910-a7f3-9bfdde2efbb8"/>
> </storage_domains>
> <size>1073741824</size>
> <provisioned_size>1073741824</provisioned_size>
> <actual_size>0</actual_size>
> <status>
> <state>ok</state>
> </status>
> <interface>virtio</interface>
> <format>raw</format>
> <sparse>true</sparse>
> <bootable>true</bootable>
> <shareable>false</shareable>
> <wipe_after_delete>false</wipe_after_delete>
> <propagate_errors>false</propagate_errors>
> <active>true</active>
> <read_only>false</read_only>
> <disk_profile
> href="/api/diskprofiles/40def02e-3802-4122-a768-cb6b9518896e"
> id="40def02e-3802-4122-a768-cb6b9518896e"/>
> </disk>
> </disks>
> </vm>
> <cluster id="00000001-0001-0001-0001-00000000019d"/>
> </template>
>
> reply: 'HTTP/1.1 400 Bad Request\r\n'
> header: Date: Sat, 09 May 2015 06:27:13 GMT
> header: Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.1e-fips
> header: JSESSIONID: 2Ihu3uUWFhvl2xbsi5i7yBip.undefined
> header: Content-Type: application/xml
> header: Content-Length: 180
> header: Connection: close
>
> The response : Cannot add Template with an empty disk alias
>
> On server, i got this on ovirt log:
>
> 2015-05-09 08:14:16,940 WARN
> [org.ovirt.engine.core.bll.AddVmTemplateCommand]
> (ajp--127.0.0.1-8702-8) CanDoAction of action AddVmTemplate failed for
> user admin at internal. Reasons:
> VAR__ACTION__ADD,VAR__TYPE__VM_TEMPLATE,ACTION_TYPE_FAILED_TEMPLATE_CANNOT_BE_CREATED_WITH_EMPTY_DISK_ALIAS
>
> After a lot of tests, i have no idea how to resolve this, and if this
> is related to the change that was made to admin interface that alias
> is required when creating a template (googling have found something
> related to that change). The case is that even sending an "alias" (the
> alias is unique anyway, but is hardcoded in the example because of
> tests... :) )
>
> I don't know where to ask for help on this, if this is my own fault of
> is something that was missing on ovirt engine. We need to be able to
> create machines templates on whatever storage is decided... :(
>
> Thank you very much
>
> Adolfo Gómez
>
> _______________________________________________
> Devel mailing list
> Devel at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/devel
--
*J. Christopher Pereira*
Gerente General
IMATRONIX S.A.
www.imatronix.com
Móvil : (09) 72 188 630
Santiago: (+56) (02) 28 99 44 60 + anexo 800
Valparaíso: (+56) (32) 2 76 80 77 + anexo 800
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