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infrastructure-documentation/runner-lxc.md

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Forgejo runners

The LXC container in which the runner is installed must have capabilities that support the backend.

  • docker:// needs a Docker enabled container
  • lxc:// needs a Docker and LXC enabled container

The runners it contains are not started at boot, it must be done manually. The bash history has the command line to do so.

Installation

version=3.5.0
sudo wget -O /usr/local/bin/forgejo-runner-$version https://code.forgejo.org/forgejo/runner/releases/download/v$version/forgejo-runner-$version-linux-amd64
sudo chmod +x /usr/local/bin/forgejo-runner-$version
echo 'export TERM=xterm-256color' >> .bashrc

Creating a runner

Multiple runners can co-exist on the same machine. To keep things organized they are located in a directory that is the same as the URL from which the token is obtained. For instance DIR=codeberg.org/forgejo-integration means that the token was obtained from the https://codeberg.org/forgejo-integration organization.

If a runner only provides unprivileged docker containers, the labels in config.yml should be: labels: ['docker:docker://node:20-bookworm'].

If a runner provides LXC containers and unprivileged docker containers, the labels in config.yml should be labels: ['self-hosted:lxc://debian:bookworm', 'docker:docker://node:20-bookworm'].

name=myrunner
mkdir -p $DIR ; cd $DIR
forgejo-runner generate-config > config-$name.yml
## edit config-$name.yml and adjust the `labels:`
## Obtain a $TOKEN from https://$DIR
forgejo-runner-$version register --no-interactive --token $TOKEN --name runner --instance https://codeberg.org
forgejo-runner-$version --config config-$name.yml daemon |& cat -v > runner.log &