volker.raschek/prometheus-fail2ban-exporter
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feat: support reading fail2ban socket in docker

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Update the docker container to support mounting the fail2ban server socket
and pointing the exporter at it. This allows the exporter to interact with
the socket from within the container.
The entire `/var/run` folder is mounted instead of just the socket file to
correctly handle fail2ban restarts (where the file will be deleted).
This commit is contained in:
Hector 2021-08-29 18:36:27 +01:00
parent 82a7bbe1e0
commit 2ab1f7dc52
1 changed files with 13 additions and 1 deletions
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14
docker/run.sh
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@ -3,7 +3,19 @@
# Print version to logs for debugging purposes
/app/fail2ban-prometheus-exporter -version
db_path=/app/fail2ban.sqlite3
socket_path=/var/run/fail2ban/fail2ban.sock
# Blank out the file paths if they do not exist - a hacky way to only use these files if they were mounted into the container.
if [ ! -f "$db_path" ]; then
db_path=""
fi
if [ ! -S "$socket_path" ]; then
socket_path=""
fi
# Start the exporter (use exec to support graceful shutdown)
# Inspired by: https://akomljen.com/stopping-docker-containers-gracefully/
exec /app/fail2ban-prometheus-exporter \
-db /app/fail2ban.sqlite3
-db "$db_path" \
-socket "$socket_path"