loop over branches

[jeremy mordkoff]

We have too many tests, so we have broken them up into three groups. One group that runs after each checkin and one group that runs once a day on any branch with changes and one group that I would like to limit to one instance at a time but still test any active branch. 

What is the best way to structure such a job? I am thinking a daemon type job that just iterates over branches and kicks off the real test job and then waited. The daemon would be sitting idle for almost 6 hours and then busy for 10 seconds, and then idle again, which seems slightly wasteful but at least this way jenkins would be self managing and I could tweak the daemon side to have priorities if I wanted, e.g. if master had changes and hadn't run in 36 hours, run it next, then go back to rotating fairly across the branches with changes. 

I can't have just one long running job that does it all because then my test results would get mixed together (I think) and I would not have red/yellow/blue for each branch. 

Any other ideas? 

[Arnaud bourree]

Hello,

I've setup something similar.

We have one test platform and like you want to run tests on per branch.

I use lock resource plugin to run tests in exclusive stage.

Regards.

Arnaud 

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[Jeremy Mordkoff]

I get that that is a better way of limiting the number of instances than using executor counts. Thanks for that. 

I still don't see a good way to schedule the jobs. Set a cron entry in the job so they all get scheduled once a day and then let all but one sit idle waiting on the resource lock?