GitLab Runner – Resolving PATH Issues on CentOS 8

centoscentos8gitlab

I'm having an issue when trying to use the gitlab runner I installed in my centos 8 server.

So here are the details:

I followed the instructions here to install: https://docs.gitlab.com/runner/install/linux-manually.html

I downloaded and installed their rpm package then ran it and registered it, using the shell executor

So far so good.

The issue is that when the runner tries to run a pipeline, I get this error:

ERROR: Job failed (system failure): Failed to start process: exec: "su": executable file not found in $PATH

There is a similar issue with the runner on nixOS, apparently, but I'm unsure how I would apply the workaround.

https://github.com/NixOS/nixpkgs/issues/53985

So I'm unsure whether I messed something up during install at some point or not; and whether I can fix it or apply a workaround, but any help would be appreciated.

Thanks.

Best Answer

Maybe SELinux is enabled by default.
Test with getenforce or sealert -a /var/log/audit/audit.log on gitlab-runner

That was my Problem with RHEL8 and gitlab-runner.

You can temporary disable SELinux with setenforce 0 and try to run CI/CD job again.

After disabling SELinux or adding the missing rules it works fine for me.

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