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Gitlab Runners

Instances

Gitlab runners are set up with an instance autoscale setup where a dedicated VM will be spun up for each job (eg. a step in a CI/CD pipeline). During office hour an idle pool of 5 VMs will be running to shorten start-up time.

The autoscale manager host is currently vlarn024.ci.uninett.no.

This set-up give the following benefits:

  • Seperates each job for improved security
  • A clean and consistent environment for each job
  • Make runner resource congestion less of a problem and job duration should be much more consistent

Allowing access from the runners

If you need to open access to the runners they are behind a NAT GW with the following IP:

13.48.142.128