You could something like this (IIUC):
dead_snap1_params = types.Snapshot(
description=SNAPSHOT_DESC_1,
persist_memorystate=False,
disk_attachments=[
types.DiskAttachment(
disk=types.Disk(
id=disk.id
)
)
]
)
Taken from ovirt-system-tests[1]
[1] -
https://github.com/oVirt/ovirt-system-tests/blob/master/basic-suite-master/test-scenarios/004_basic_sanity.py#L340
On Thu, Jun 21, 2018 at 2:57 PM Gianluca Cecchi <gianluca.cec...@gmail.com>
wrote:
> Hello,
> I'm trying to see how to create a snapshot of a VM, but only of a subset
> of its disks (actually it will be only the bootable one)
>
> Taking the examples at
> https://github.com/oVirt/ovirt-engine-sdk/tree/master/sdk/examples
>
> I can accomodate something like this
>
> # Get the reference to the service that manages the virtual machines:
> vms_service = system_service.vms_service()
>
> # Find the virtual machine and put into data_vm
> vm = vms_service.list(
> search='name=%s' % MY_VM_NAME,
> all_content=True,
> )[0]
> logging.info(
> 'Found virtual machine \'%s\', the id is \'%s\'.',
> vm.name, vm.id,
> )
>
> # Find the services that manage the data_vm virtual machine:
> vm_service = vms_service.vm_service(vm.id)
>
> # Send the request to create the snapshot. Note that this will return
> # before the snapshot is completely created, so we will later need to
> # wait till the snapshot is completely created.
>
> snaps_service = vm_service.snapshots_service()
> snap = snaps_service.add(
> snapshot=types.Snapshot(
> description=snap_description,
> persist_memorystate=False,
> ),
> )
>
> This makes a snapshot of all the dsks of the vm.
>
> I can previously filter in my case the bootable disk with something like
> this:
>
> # Locate the service that manages the disk attachments of the virtual
> # machine:
> disk_attachments_service = vm_service.disk_attachments_service()
>
> # Retrieve the list of disks attachments, and print the disk details.
> disk_attachments = disk_attachments_service.list()
> for disk_attachment in disk_attachments:
> disk = connection.follow_link(disk_attachment.disk)
> print("name: %s" % disk.name)
> print("id: %s" % disk.id)
> print("status: %s" % disk.status)
> print("bootable: %s" % disk_attachment.bootable)
> print("provisioned_size: %s" % disk.provisioned_size)
>
> So in case of an example VM with two disks I get this print out
>
> name: padnpro_bootdisk
> id: c122978a-70d7-48aa-97c5-2f17d4603b1e
> status: ok
> bootable: True
> provisioned_size: 59055800320
> name: padnpro_imp_Disk1
> id: 5454b137-fb2c-46a7-b345-e6d115802582
> status: ok
> bootable: False
> provisioned_size: 10737418240
>
>
> But I haven't found then the syntax to use to specify a disk list in the
> block where I create the sapshot of the VM
>
> snap = snaps_service.add(
> snapshot=types.Snapshot(
> description=snap_description,
> persist_memorystate=False,
> disxk x x x ? ? ?
> ),
> )
>
> Any help in this direction?
> Tahnsk,
> Gianluca
>
>
>
>
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