vmware/pyvmomi-community-samples

Listening for vsphere events using Pyvmomi

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#641 opened on May 12, 2020

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help wanted

Description

Hello, I am writing some prototypes where in my code gets called when a specific event happens. I looked at some sample code in https://github.com/vmware/pyvmomi-community-samples/blob/master/samples/relocate_events.py. This seems to be querying for some specific events that has happened in the past.

What i am looking for is for my function to be called asynchronously when certain events of interest occurs in the future. Or the events can be put in the queue that my module defines.

'govmomi' seems to have something similar as in: err = eventManager.Events(ctx, refs, 10, false, false, handleEvent)

Is there a way to achieve this using pyvmomi?

Thanks, KP

Contributor guide

Tech stack
python
Domain
backendapi
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
pyvmomivSphere eventsasynchronous programming
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25
Research direction
The issue asks for an asynchronous event listener for vSphere events using Pyvmomi, similar to govmomi's EventManager.Events function. The user references a sample (relocate events.py) that queries past events, but wants real time or queued notifications. Investigate if Pyvmomi currently supports asynchronous event handling or if a callback based mechanism can be implemented. Examine the Pyvmomi documentation and source code for event related classes, and consider whether a community sample or a patch to the Pyvmomi library is needed. The lack of linked PRs or assignees suggests this remains an open research question.