Attaching to QueueTaskDispatcher extension point without a plugin

[Alexander Yustus]

Hi all,

I want to implement the feature to prevent a Pipeline job from even starting when there is no available executors with certain label.
I didn't found any plugins that do the exact thing, and I'm no java developer, so writing my own plugin is what I really want to avoid ;)

That said, is there a way to add an extension for QueueTaskDispatcher via Groovy script,
for example, using Groovy Events Listener Plugin?

thank you in advance,
Alexander.

[Stephen Connolly]

Writing a plugin would be easier than your suggested approach.

Writing a plugin is not that hard. You'll just start with an empty plugin and add your extension class.

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[Alexander Yustus]

Hi Stephen,

thank you for the answer!

Still, the question is: is there a way to do the thing (without plugin), and how, if the answer is 'yes'?

wbr, Alexander.

[Stephen Connolly]

it should technically be possible to do it through the groovy console... but I would not try unless the bet was large enough to justify the considerable effort... especially when writing a plugin to do it will give you IDE autocompletion and would take *me* maybe 5 minutes compared with at least several hours if not days to do it through the groovy console... so yes, expect several orders of magnitude harder through the groovy console than writing a plugin

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