[Users] Problems using the PythonSDK

[Michael Pasternak]

On 05/23/2013 03:53 PM, Karli Sjöberg wrote:
> tor 2013-05-23 klockan 15:10 +0300 skrev Michael Pasternak:
>> Hi Karli,
>>
>> On 05/23/2013 12:35 PM, Karli Sjöberg wrote:
>> > Hi!
>> > 
>> > We´re in the process of building an orderportal where our customers will be able to log in, select a virtual machine template, type in a desired hostname and it will be
>> > automatically created, and they recieve a mail explaining what they´ve gotten themselves into:). For this I figured the PythonSDK would be the best choice but I´m having
>> > trouble using it. What we´ve done so far is:
>> > 
>> > 1) Create a new VM from a template; OK. I found an example and it worked OOTB
>> > 2) Rename the new VM´s disk from ${TemplateName}_Disk1 to ${VMName}_Disk1; Not OK. I found an example of how to change the name of a VMNic and that works, but using the
>> > same method to change VMDisk´s name does not (FYI, the VM only has one VNic and VDisk):
>> >>>> from ovirtsdk.xml import params
>> >>>> from ovirtsdk.api import API
>> >>>> api = API(url='https://${ENGINE}:443/api', <https://storm.slu.se:443/api',> ca_file='${CACERT}', username='admin at internal <mailto:'admin at internal>', password='letmein!')
>> >>>> vm = api.vms.get(name='VMName')
>> > 
>> >>>> vmnic = vm.nics.get(name='*')
>> >>>> vmnic.name
>> > 'nic1'
>> >>>> api.vms.get(name='VMName').nics.get(name='*')
>> > 'nic1'
>> >>>> vmnic.name='nic2'
>> >>>> vmnic.update()
>> >>>> api.vms.get(name='VMName').nics.get(name='*')
>> > 'nic2'
>> >>>> vmnic.name
>> > 'nic2'
>> > 
>> >>>> vmdisk = vm.disks.get(name='*')
>> >>>> vmdisk.name
>> > 'TemplateName_Disk1'
>> >>>> api.vms.get(name='VMName').disks.get(name='*')
>>
>> this kind of call is not efficient, by fetching the disk
>> you also fetch the vm,
>>
>> i'd suggest fetch vm, store it in local variable and then
>> reuse it for any sub-collection manipulations.
> 
> Could you please show me example of that, my Pythonjourney started only yesterday:)?

api = API(...)

myvm = api.vms.get(name='VMName')

myvm.disks.get(name='...')
myvm.nics.get(name='...')

myvm.disks.add()
myvm.disks.list()
....

> 
>>
>>
>> > 'TemplateName_Disk1'
>> >>>> vmdisk.name='VMName_Disk1'
>> >>>> vmdisk.update()
>> >>>> vmdisk.name
>> > 'VMName_Disk1'
>> >>>> api.vms.get(name='VMName').disks.get(name='*')
>> > 'TemplateName_Disk1'
>> > 
>> > See? Am I holding it wrong?
>>
>> disk.name is deprecated, please use 'alias' instead.
> 
>>>> print api.vms.get(name='VMName').disks.get(name='*').name
> TemplateName_Disk1
>>>> print api.vms.get(name='VMName').disks.get(name='*').alias
> None
> 
> So that doesn´t seem to work either?
> 
> /Karli
> 
>>
>> > 
>> > 3) Create a snapshot called "Origin", so if a customer calls in and says they´ve borked it completely, we´ll just revert to it´s "Origin" and they´re up and running again;
>> > OK, found another OOTB example, thank you.
>> > 4) Add the customer to VM´s Permissions with an appropriate role; Not OK. I have found no examples on how to do this and just don´t know where to start looking. BTW,
>> > creating a new VM with Python results in Permissions completely empty, no inheritance either. Don´t know if that is intended...
>>
>> elena, ilia,
>>
>> guys, do you have any permission related code to share?
>>
>> > 
>> > client# rpm -qa | grep ovirt
>> > ovirt-engine-cli-3.2.0.11-1.fc17.noarch
>> > ovirt-engine-sdk-3.2.0.10-1.fc17.noarch
>> > 
>> > engine# rpm -qa | grep ovirt
>> > ovirt-engine-config-3.1.0-4.fc17.noarch
>> > ovirt-engine-dbscripts-3.1.0-4.fc17.noarch
>> > ovirt-log-collector-3.1.0-0.git10d719.fc17.noarch
>> > ovirt-engine-restapi-3.1.0-4.fc17.noarch
>> > ovirt-image-uploader-3.1.0-0.git9c42c8.fc17.noarch
>> > ovirt-engine-genericapi-3.1.0-4.fc17.noarch
>> > ovirt-iso-uploader-3.1.0-0.git1841d9.fc17.noarch
>> > ovirt-engine-webadmin-portal-3.1.0-4.fc17.noarch
>> > ovirt-engine-setup-3.1.0-4.fc17.noarch
>> > ovirt-engine-sdk-3.2.0.2-1.fc17.noarch
>> > ovirt-engine-backend-3.1.0-4.fc17.noarch
>> > ovirt-engine-tools-common-3.1.0-4.fc17.noarch
>> > ovirt-engine-3.1.0-4.fc17.noarch
>> > ovirt-engine-userportal-3.1.0-4.fc17.noarch
>> > ovirt-engine-notification-service-3.1.0-4.fc17.noarch
>> > 
>> > -- 
>> > 
>> > Best Regards
>> > -------------------------------------------------------------------------------
>> > Karli Sjöberg
>> > Swedish University of Agricultural Sciences
>> > Box 7079 (Visiting Address Kronåsvägen 8)
>> > S-750 07 Uppsala, Sweden
>> > Phone:  +46-(0)18-67 15 66
>> > karli.sjoberg at slu.se <mailto:karli.sjoberg at slu.se> <mailto:karli.sjoberg at adm.slu.se>
>> > 
>> > 
>> > 
>> > _______________________________________________
>> > Users mailing list
>> > Users at ovirt.org <mailto:Users at ovirt.org>
>> > http://lists.ovirt.org/mailman/listinfo/users
>> > 
>>
>>
> 
> -- 
> 
> Med Vänliga Hälsningar
> -------------------------------------------------------------------------------
> Karli Sjöberg
> Swedish University of Agricultural Sciences
> Box 7079 (Visiting Address Kronåsvägen 8)
> S-750 07 Uppsala, Sweden
> Phone:  +46-(0)18-67 15 66
> karli.sjoberg at slu.se <mailto:karli.sjoberg at adm.slu.se>
> 


-- 

Michael Pasternak
RedHat, ENG-Virtualization R&D