Using a Raspberry Pi to run GitHub Actions locally #RaspberryPi @nicolas_frankel
With his newly acquired Raspberry Pi, Nicolas Frankel explored executing GitHub Actions not on Google itself but on a dedicated machine (the Pi).
GitHub Actions comprise two components:
The GitHub Actions infrastructure itself. It hosts the scheduler of jobs.
Runners, which do run the jobs
By default, jobs run on GitHub’s runners. However, it’s possible to configure one’s job to run on other runners, whether on-premise or in the Cloud: these are called self-hosted runners.
The process can be non-trivial but the blog post goes over the procedures.
Conclusion: Migrating from a GitHub runner to a self-hosted runner is not a big deal but requires changing some bits and pieces. Most importantly, you need to understand the script runs on the machine. This means you need to automate the provisioning of a new machine in the case of crashes. I’m considering the benefits of running the runner inside a container on the Pi to roll back to my previous steps.
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