Debugging Zuul jobs – now easier than ever, with Autoholds feature
Channel: OpenInfra Foundation
Date: 2023-06-29

Every Software Engineer, sooner or later, encounters a situation as follows:
– This code is failing in our CI!
– But it works on my local computer!
– Then we will send *your* computer to the customer!

With complex products, every infrastructure detail matters and can be a root cause of failure. Often it may be a case of just wrong dependency installed, however at times no signs on Earth directly provide a clue on what is wrong. Incorrect date in the system? Misconfigured language? MTU/Networking-magic involved? Sometimes the fastest way to debug the jobs involves being inside the environment directly. With the Zuul Autoholds feature, this is now achieved easier than ever before!

During the presentation, we will briefly introduce the Zuul CI system and perform the setup of minimal working environment for the demonstration. Then we will present the usage of the Autoholds feature, covering its abilities and limitations. Finally we will compare the feature with other approaches.

Speakers:
Szymon Datko
Ignacio Horcada Bernal


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