Added TRUNCATE_LOGS environ to reset all logs hourly

Dockerfile

@@ -22,6 +22,7 @@ ENV KB=kibiter-${KB_VERSION}
 ENV KB_DIR=${KB}-linux-x86_64
 ENV GITHUB_TOKEN=xxx
 ENV GET="wget -q"
+ENV TRUNCATE_LOGS ""
 
 # install dependencies
 RUN apt-get update && \
@@ -134,6 +135,7 @@ COPY config/aliases.json /aliases.json
 COPY config/dashboard_overview.json /dashboard_overview.json
 COPY config/logrotate /etc/logrotate.d/metrics
 
+COPY bin/truncate-logs.sh /etc/cron.hourly/truncate-logs
 COPY bin/entrypoint.sh /entrypoint.sh
 RUN sudo chmod 755 /entrypoint.sh
 

README.md

@@ -88,3 +88,5 @@ Finaly, replace `config/dashboard_overview.json` by the new exported file.
 - Initialization time : ~ 9 hours (cocom)
 - Incremental update time : ~ 2 minutes (cocom)
 - Elastic Search database size : ~ 8 Go
+
+⚠️ A verbose log file at `/logs/all.log` grows indefinitely without a clear setting to control it. You may want to use `TRUNCATE_LOGS=y` environment variable to enable an hourly reset of all log files.

bin/entrypoint.sh

@@ -18,6 +18,11 @@ chown -R elasticsearch.elasticsearch /var/lib/elasticsearch
 echo "Starting MariaDB"
 /etc/init.d/mysql start
 
+# Enable logs truncating
+if [ ! -z "$TRUNCATE_LOGS" ]; then
+    chmod +x /etc/cron.hourly/truncate-logs
+fi
+
 # Start Cron
 echo "Starting Cron"
 /etc/init.d/cron start

bin/truncate-logs.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo "truncating all logs…"
+/usr/bin/truncate -s 0 /logs/all.log
+/usr/bin/truncate -s 0 /var/log/*.log
+/usr/bin/truncate -s 0 /var/log/**/*.log