periodic cleanup and kms restart

docker-compose.yml

@@ -135,6 +135,17 @@ services:
     networks:
       - bbb-net
 
+  periodic:
+    build: mod/periodic
+    restart: unless-stopped
+    depends_on:
+      - mongodb
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - bigbluebutton:/var/bigbluebutton
+    networks:
+      - bbb-net
+
 volumes:
   bigbluebutton:
 

mod/periodic/Dockerfile

@@ -0,0 +1,15 @@
+FROM debian:buster-slim
+
+# -- install mongo cli
+RUN apt-get update \
+    && apt-get install -y wget libcurl4 \
+    && wget https://repo.mongodb.org/apt/debian/dists/buster/mongodb-org/4.2/main/binary-amd64/mongodb-org-shell_4.2.6_amd64.deb \
+    && dpkg -i mongodb*.deb \
+    && rm mongodb*.deb
+
+# -- install docker cli
+COPY --from=library/docker:latest /usr/local/bin/docker /usr/bin/docker
+
+COPY bbb-restart-kms entrypoint.sh /
+
+ENTRYPOINT ["/entrypoint.sh"]

mod/periodic/bbb-restart-kms

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Source:
+# https://github.com/alangecker/bbb-packages/blob/f83431c227be2c95025ea81083baeaa87667b170/bbb-webrtc-sfu/data/etc/cron.hourly/bbb-restart-kms
+
+#
+# Restart Kurento every 24+ hours
+#
+
+if [ ! -f /tmp/bbb-kms-last-restart.txt ]; then
+  date +%Y-%m-%d\ %H:%M:%S > /tmp/bbb-kms-last-restart.txt
+  exit
+fi
+
+users=$(mongo --quiet mongodb://10.7.7.6:27017/meteor --eval "db.users.count({connectionStatus: 'online'})")
+echo "currently active users: $users"
+
+if [ "$users" -eq 0 ]; then
+
+  # Make sure 24 hours have passed since last restart
+
+  # Seconds since epoch for last restart
+  dt1=$(cat /tmp/bbb-kms-last-restart.txt)
+  t1=`date --date="$dt1" +%s`
+
+  # Current seconds since epoch
+  dt2=`date +%Y-%m-%d\ %H:%M:%S`
+  t2=`date --date="$dt2" +%s`
+
+  # Hours since last restart
+  let "tDiff=$t2-$t1"
+  let "hDiff=$tDiff/3600"
+
+  if [ "$hDiff" -ge 24 ]; then
+    echo "scheduled restart of kurento after 24h"
+    CONTAINER_ID=$(docker ps | grep kurento | awk '{print $1}')
+    docker restart $CONTAINER_ID
+    date +%Y-%m-%d\ %H:%M:%S > /tmp/bbb-kms-last-restart.txt
+  fi
+fi

mod/periodic/entrypoint.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+#
+# How N days back to keep files
+#
+history=5
+
+while :
+do
+	# restart kurento after 24h
+	/bbb-restart-kms
+
+	# delete presentations older than N days
+	find /var/bigbluebutton/ -maxdepth 1 -type d -name "*-*" -mtime +$history -exec rm -rf '{}' +
+
+	sleep 10s
+done