You can do that using something like:
        snapshot_service = snapshots_service.snapshot_service(snapshot.id)
        snapshot = snapshot_service.get()
        if snapshot.snapshot_status == types.SnapshotStatus.OK:
          ...

But counting on the snapshot status is race prone, so in 4.2 a search by correlation id was introduced and you can do something like this (taken from ovirt-system-tests[1]):
    correlation_id = uuid.uuid4()

    vm1_snapshots_service.add(dead_snap1_params,
                              query={'correlation_id': correlation_id})

    testlib.assert_true_within_long(
        lambda:
        test_utils.all_jobs_finished(engine, correlation_id)
    )

Where all jobs finished does:
    try:
        jobs = engine.jobs_service().list(
            search='correlation_id=%s' % correlation_id
        )
    except:
        jobs = engine.jobs_service().list()
    return all(job.status != types.JobStatus.STARTED for job in jobs)


[1] - https://github.com/oVirt/ovirt-system-tests/blob/master/basic-suite-master/test-scenarios/004_basic_sanity.py#L360

On Mon, Apr 9, 2018 at 2:42 PM, <nicolas@devels.es> wrote:
Hi,

I'm running ovirt-engine-sdk-python 4.2.4 and I'm performing some snapshot-related tasks. I'd like to somehow control the status of the snapshot in order to know when I'll be able to run the next snapshot-related operation.

For example, I'd like to create a new snapshot and then delete X oldest snapshots. After creating the snapshot I have to make sure the snapshot operation has concluded to run the deletion.

However, I'm unable to find a native way to get the status of a snapshot.

    In [1]: snap = conn.follow_link(vm.snapshots)[3]   # This returns one snapshot

    In [2]: snap.status

    In [3]: snap.status_detail

So both status-related properties return None. I've managed to find a "poorman's" way by doing this:

    while True:
        try:
            snaps_service.service(snap.id).remove()
        except Error, e:
            if e.code == 409:
                sleep(30)
                continue
            else:
                break

Which works but is quite "tricky".

Is there a better way to do this?

Thanks.
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