55 lines
3.1 KiB
Markdown
55 lines
3.1 KiB
Markdown
# Gitea Actions runner on docker-1
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`.gitea/workflows/ci.yml` runs on a Gitea Actions runner. This folder holds the runner's compose file and
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configuration. It lives on docker-1 at `~/gitea/runner`, next to the Gitea compose project, and runs as
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the `spencerm` user through the Docker socket. No sudo is needed.
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## What it runs
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- One `act_runner` container (`docker.gitea.com/act_runner`, pinned by digest in compose.yaml), named
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`docker-1` in Gitea, with the label `ubuntu-latest` mapped to `docker.gitea.com/runner-images:ubuntu-latest`
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(Ubuntu 24.04 with git, node, python 3.12, docker and compose).
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- Every job of ci.yml runs in a fresh job container from that image. The server job's PostgreSQL service
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container and the e2e job's compose stack (postgres, migrate, app, worker, the Samba DC, Playwright) are
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started through the runner's Docker proxy on docker-1's daemon. The proxy maps the job workspace so the
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compose bind mounts (`deploy/postgres/initdb`, `tests/e2e`, the CI secrets) resolve, and it removes what
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the job started when the job ends.
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- Capacity 2: server and frontend run at the same time; e2e waits for both.
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## Install (once)
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```bash
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mkdir -p ~/gitea/runner/data
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cp deploy/runner/compose.yaml ~/gitea/runner/
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cp deploy/runner/config.yaml ~/gitea/runner/data/
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cd ~/gitea/runner
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docker compose run --rm --entrypoint act_runner runner register --no-interactive \
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--instance https://gt.pescoinc.biz --name docker-1 --config /data/config.yaml \
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--labels ubuntu-latest:docker://docker.gitea.com/runner-images:ubuntu-latest \
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--token "$(docker exec -u git gitea gitea actions generate-runner-token)"
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docker compose up -d
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docker compose logs --tail 20 runner
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```
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The registration token is generated by Gitea's own CLI inside the `gitea` container and goes straight
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into the register command. It is never printed or written to a file. The result is `data/.runner`,
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which holds the runner's own token: keep the `data` folder private (it is owned by `spencerm`).
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## Operate
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- Logs: `docker compose -f ~/gitea/runner/compose.yaml logs -f runner`. Job logs are also kept under
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`~/gitea/runner/data/logs` for a week.
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- Update: change the digest in compose.yaml (`docker buildx imagetools inspect docker.gitea.com/act_runner:0.4`),
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then `docker compose up -d`. The registration survives updates.
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- Re-register (new instance URL or labels): remove `data/.runner` and run the register command again.
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Gitea keeps the old runner row; delete it in Site administration, Actions, Runners.
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- The runner shows in Gitea under Site administration, Actions, Runners. Repository secrets for the
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image job (`REGISTRY_USER`, `REGISTRY_TOKEN`) are set per repository under Settings, Actions, Secrets.
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## Known limits
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- The job images and the actions (`actions/checkout`, `setup-python`, `setup-node`, the docker ones) are
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fetched from docker.gitea.com, GitHub and GitHub releases, so docker-1 needs outbound internet.
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- The Samba DC in the e2e stack needs `cap_add: SYS_ADMIN`. The first run on this runner shows whether the
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Docker proxy allows it; if not, the e2e job stays a by-hand step (docs/DEPLOY.md).
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