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/t... On Thu, Jun 21, 2018 at 2:57 PM Gianluca Cecchi <gianluca.cecchi@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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