Hi Marcin,

Thanks for replying. In short, this is what I am doing:

~~~
from vdsm import client
cli = client.connect('localhost', 54321, use_tls=True)
cli.SDM.update_volume(job_id=job, vol_info=vol, vol_attr=changes)
~~~

This last line does an API call. A taskID is generated in vdsm, I can only specify the JobID as a parameter of the call. From what I read, the taskID should be sent on the HTTP header if I want to set it. But I cannot find how to do it.
The whole point is that I want to know the taskID, so I can monitor the task and clear it after it is finished.

So:
* How do I retrieve the taskID vdsm generated for this?
or
* How to I query VDSM to give me the taskID for the JobID I passed as argument
or
* How can I specify the taskID to be used given I'm using vdsm client (from vdsm import client).
or
* any other idea you have on how to handle this?

Am I missing something or there is some missing implementation for doing this?

Thanks

On Mon, Sep 17, 2018 at 10:19 PM Marcin Sobczyk <msobczyk@redhat.com> wrote:

Hi,

I'm currently doing some work around vdsm API so maybe I can. I need some more detailed description of your problem though - a pseudo-code of the calls you're making with explanation what exactly is the problem would be ideal.

Marcin

On 9/17/18 7:04 AM, Germano Veit Michel wrote:
Hello,

I've been struggling with TaskID/FlowID when talking to the VDSM API. I am trying to write a tool that uses the vdsm-api to facilitate the troubleshooting of image issues (snapshots). This tool does a series of API calls, but I cannot find a nice way to track the taskID and clear the completed tasks after completion of the tool commands. Currently I'm clearing all Tasks that match the verb and are finished, which is not ideal. I would like to have the exact TaskID to track and dont want to leave Tasks behind. I don't want also to clear tasks from other entities (like engine!).

I understand that if I want to specify the task/flow ids when calling the vdsm API, these two need to be passed as headers (http) so they end up in the context of the call. Is this correct? But using vdsm/client.py I cannot figure out how to do this, but I understand it is possible.

I've been looking at vdsm/common/api.py and vdsm/client.py and trying several things but nothing seems to do it. Could anyone please put some light on this?

Thanks,
Germano

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