Why does my pipeline have 2 workspaces?

[John Lussmyer]

I've noticed that my single pipeline ends up with 2 separate workspaces each time it runs.

What is the one ending in @script for?

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[Giles]

On Wednesday, 21 August 2019 11:43:35 UTC-4, John Lussmyer wrote:

I've noticed that my single pipeline ends up with 2 separate workspaces each time it runs.

What is the one ending in @script for?

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I'll second the question.

Our jobs end up with anywhere from 1-5 folders each, coming in a mix of variants:

jobname@libs

jobname@script

jobname@tmp

jobname@script@tmp

jobname@2

jobname@2@tmp

It's a lot of clutter I'd rather not see, but I assume they serve some purpose.  It would be nice to hear what that purpose is ...

[Ramanathan Muthaiah]

I've noticed that my single pipeline ends up with 2 separate workspaces each time it runs.

What is the one ending in @script for?

With no intent of grandstanding, this response will direct you to one of my article in dzone.com.

Hope your questions are answered here, https://dzone.com/articles/tips-to-debug-jenkins-v2x-pipeline-scripts-part-2 

/Ram

[Toby Hersey]

i'll third the question , i want to know cause.

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[Ramanathan Muthaiah]

On Wednesday, August 28, 2019 at 12:42:44 AM UTC+5:30, Toby Hersey wrote:

i'll third the question , i want to know cause.

In short:

The second (temporary) workspace is the area that's used by the pipeline to handle all of the code within the 'sh' step.

Based on what I analyzed, the pipeline creates a .sh file in that temporary workspace, the script's contents are what's there inside the 'sh' step. 

Apart from the shell script, in that temp workspace, there are few more files (in the tmp folder) for the purpose of pipeline durability.

HTH.

/Ram

 

[Toby Hersey]

Thanks Ram , is that the same for the @2 folders as well?

Or is that because a build has run 2 in parallel?

Many thanks

Toby 

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[Ramanathan Muthaiah]

On Wednesday, August 28, 2019 at 4:18:13 PM UTC+5:30, Toby Hersey wrote:

Thanks Ram , is that the same for the @2 folders as well?

Or is that because a build has run 2 in parallel?

Could be a possibility.

/Ram 

[Vincent Latombe]

@N (where N is an integer) is for concurrent builds, or concurrent node blocks using the same node within the same pipeline build, if you have nodes with multiple executors.

@script is for pipeline remote execution engine (as noted above, this is where temporary shell scripts are created before being executed)

@tmp is for temporary files (you can refer to it in your pipeline using pwd tmp: true)

@libs is used for shared libraries

Vincent

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[Toby Hersey]

Thanks for the answer Vincent 😀

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