Files
mc-webui/app
MarekWoandClaude Opus 5 60faa44d37 feat(updater): one-click updates for Docker Hub installations
The version check already worked for an installation running the published
image - CI freezes the version before building, so version_frozen.py ships
inside it - but "Update now" never appeared, because the webhook behind it
was installed from scripts/, a folder such an installation does not have.
And update.sh could not have served it anyway: it does git pull + rebuild.

- both installers accept being piped through bash (curl | sudo bash). They
  then download what they need into /opt/mc-webui-{updater,watchdog} and
  find the instance by looking for docker-compose.yml. A checkout install
  keeps running its scripts from the checkout, unchanged
- updater.py picks the update path per request: git checkout -> update.sh,
  bare docker-compose.yml -> the new update-image.sh (pull + recreate).
  Resolved per request, so cloning the repo later flips it without a restart
- both update scripts end with MC_UPDATE_RESULT=updated|no_change, which
  the webhook parses and /api/updater/status passes on. The UI used to
  watch only for the version to change and then claim it timed out after
  two minutes - the normal outcome right after a push, while the image for
  that commit is still building. It now says so as soon as the run ends,
  in a neutral state rather than a red cross
- the marker prints only when stdout is not a terminal, so mcupdate output
  stays as it was

Also corrects the claim, in the README and in updater.py's own docstring,
that the webhook listens on localhost. It binds 0.0.0.0 - the container
reaches it over the Docker bridge - and sends no token, so port 5050 is
worth keeping off untrusted networks.

Verified: update-image.sh reports updated then no_change against a real
docker compose project; the standalone installer installs, runs and
uninstalls cleanly under systemd (WSL), with the app reaching it through
host.docker.internal and a triggered run coming back changed=false; the
resulting modal checked in a browser in both en and pl.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-09 18:53:35 +02:00
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