[Dovecot] Run cronjob at 4:15 AM to remove max aged quarantine items (default: 365 days)

data/Dockerfiles/dovecot/Dockerfile

@@ -113,6 +113,7 @@ RUN apt-get update && apt-get -y --no-install-recommends install \
   && rm -rf /tmp/* /var/tmp/*
 
 COPY trim_logs.sh /usr/local/bin/trim_logs.sh
+COPY clean_q_aged.sh /usr/local/bin/clean_q_aged.sh
 COPY syslog-ng.conf /etc/syslog-ng/syslog-ng.conf
 COPY imapsync /usr/local/bin/imapsync
 COPY postlogin.sh /usr/local/bin/postlogin.sh

data/Dockerfiles/dovecot/clean_q_aged.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+MAX_AGE=$(redis-cli --raw -h redis-mailcow GET Q_MAX_AGE)
+
+if [[ -z ${MAX_AGE} ]]; then
+  echo "Max age for quarantine items not defined"
+  exit 1
+fi
+
+NUM_REGEXP='^[0-9]+$'
+if ! [[ ${MAX_AGE} =~ ${NUM_REGEXP} ]] ; then
+  echo "Max age for quarantine items invalid"
+  exit 1
+fi
+
+TO_DELETE=$(mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT COUNT(id) FROM quarantine WHERE created < NOW() - INTERVAL ${MAX_AGE//[!0-9]/} DAY" -BN)
+mysql --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "DELETE FROM quarantine WHERE created < NOW() - INTERVAL ${MAX_AGE//[!0-9]/} DAY"
+echo "Deleted ${TO_DELETE} items from quarantine table (max age is ${MAX_AGE//[!0-9]/} days)"

data/Dockerfiles/dovecot/docker-entrypoint.sh

@@ -16,6 +16,10 @@ sed -i "s/__DBUSER__/${DBUSER}/g" /usr/local/bin/quarantine_notify.py
 sed -i "s/__DBPASS__/${DBPASS}/g" /usr/local/bin/quarantine_notify.py
 sed -i "s/__DBNAME__/${DBNAME}/g" /usr/local/bin/quarantine_notify.py
 
+sed -i "s/__DBUSER__/${DBUSER}/g" /usr/local/bin/clean_q_aged.sh
+sed -i "s/__DBPASS__/${DBPASS}/g" /usr/local/bin/clean_q_aged.sh
+sed -i "s/__DBNAME__/${DBNAME}/g" /usr/local/bin/clean_q_aged.sh
+
 sed -i "s/__LOG_LINES__/${LOG_LINES}/g" /usr/local/bin/trim_logs.sh
 
 # Create missing directories
@@ -205,6 +209,7 @@ chmod +x /usr/local/lib/dovecot/sieve/rspamd-pipe-ham \
   /usr/local/bin/imapsync \
   /usr/local/bin/trim_logs.sh \
   /usr/local/bin/sa-rules.sh \
+  /usr/local/bin/clean_q_aged.sh \
   /usr/local/bin/maildir_gc.sh \
   /usr/local/sbin/stop-supervisor.sh \
   /usr/local/bin/quota_notify.py
@@ -217,7 +222,7 @@ echo '25 * * * *   vmail /usr/local/bin/maildir_gc.sh >> /dev/console 2>&1' > /e
 echo '30 1 * * *   root  /usr/local/bin/sa-rules.sh  >> /dev/console 2>&1' > /etc/cron.d/sa-rules
 echo '0 2 * * *    root  /usr/bin/curl http://solr:8983/solr/dovecot-fts/update?optimize=true >> /dev/console 2>&1' > /etc/cron.d/solr-optimize
 echo '*/20 * * * * vmail /usr/local/bin/quarantine_notify.py >> /dev/console 2>&1' > /etc/cron.d/quarantine_notify
-
+echo '15 4 * * * vmail /usr/local/bin/clean_q_aged.sh >> /dev/console 2>&1' > /etc/cron.d/clean_q_aged
 # Fix more than 1 hardlink issue
 touch /etc/crontab /etc/cron.*/*