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Allow reading registration token from file (#350)

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When deploying the runner in a Docker Swarm setup, it can be useful to
read the potentially sensitive token from a secret instead of having to
pass it from an environment variable.

Co-authored-by: Frederik Ring <frederik.ring@gmail.com>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/350
Reviewed-by: Jason Song <i@wolfogre.com>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: m90 <m90@noreply.gitea.com>
Co-committed-by: m90 <m90@noreply.gitea.com>
This commit is contained in:
m90 2023-09-04 04:12:07 +00:00 committed by Lunny Xiao
parent ed35b09b8f
commit 10dc6fb60d
2 changed files with 9 additions and 0 deletions
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3
examples/docker-compose/README.md
View file

@ -16,5 +16,8 @@
- /var/run/docker.sock:/var/run/docker.sock
environment:
- GITEA_INSTANCE_URL=<instance url>
# When using Docker Secrets, it's also possible to use
# GITEA_RUNNER_REGISTRATION_TOKEN_FILE to pass the location.
# The env var takes precedence
- GITEA_RUNNER_REGISTRATION_TOKEN=<registration token>
```

6
scripts/run.sh
View file

@ -15,6 +15,11 @@ if [[ ! -z "${GITEA_RUNNER_LABELS}" ]]; then
EXTRA_ARGS="${EXTRA_ARGS} --labels ${GITEA_RUNNER_LABELS}"
fi
# In case no token is set, it's possible to read the token from a file, i.e. a Docker Secret
if [[ -z "${GITEA_RUNNER_REGISTRATION_TOKEN}" ]] && [[ -f "${GITEA_RUNNER_REGISTRATION_TOKEN_FILE}" ]]; then
GITEA_RUNNER_REGISTRATION_TOKEN=$(cat "${GITEA_RUNNER_REGISTRATION_TOKEN_FILE}")
fi
# Use the same ENV variable names as https://github.com/vegardit/docker-gitea-act-runner
if [[ ! -s .runner ]]; then
@ -44,5 +49,6 @@ if [[ ! -s .runner ]]; then
fi
# Prevent reading the token from the act_runner process
unset GITEA_RUNNER_REGISTRATION_TOKEN
unset GITEA_RUNNER_REGISTRATION_TOKEN_FILE
act_runner daemon ${CONFIG_ARG}