267 lines
8.9 KiB
Bash
267 lines
8.9 KiB
Bash
# This is a library of functions for
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#
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# /etc/bigbluebutton/bbb-conf/apply-config.sh
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#
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# which (if exists) will be run by `bbb-conf --setip` and `bbb-conf --restart` before restarting
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# BigBlueButton.
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#
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# The purpose of apply-config.sh is to make it easy to apply your configuration changes to a BigBlueButton server
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# before BigBlueButton starts
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#
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if LANG=c ifconfig | grep -q 'venet0:0'; then
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# IP detection for OpenVZ environment
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IP=$(ifconfig | grep -v '127.0.0.1' | grep -E "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | tail -1 | cut -d: -f2 | awk '{ print $1}')
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else
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IP=$(hostname -I | sed 's/ .*//g')
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fi
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if [ -f /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties ]; then
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SERVLET_DIR=/usr/share/bbb-web
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else
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SERVLET_DIR=/var/lib/tomcat7/webapps/bigbluebutton
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fi
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BBB_WEB_ETC_CONFIG=/etc/bigbluebutton/bbb-web.properties
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PROTOCOL=http
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if [ -f $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties ]; then
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SERVER_URL=$(cat $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties $BBB_WEB_ETC_CONFIG | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}' | tail -n 1)
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if cat $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties $BBB_WEB_ETC_CONFIG | grep -v '#' | grep ^bigbluebutton.web.serverURL | tail -n 1 | grep -q https; then
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PROTOCOL=https
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fi
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fi
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HOST=$(cat $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties $BBB_WEB_ETC_CONFIG | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}' | tail -n 1)
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HTML5_CONFIG=/usr/share/meteor/bundle/programs/server/assets/app/config/settings.yml
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BBB_WEB_CONFIG=$SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties
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#
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# Enable Looging of the HTML5 client for debugging
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#
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enableHTML5ClientLog() {
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echo " - Enable HTML5 client log to /var/log/nginx/html5-client.log"
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yq w -i $HTML5_CONFIG public.clientLog.external.enabled true
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yq w -i $HTML5_CONFIG public.clientLog.external.url "$PROTOCOL://$HOST/html5log"
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yq w -i $HTML5_CONFIG public.app.askForFeedbackOnLogout true
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chown meteor:meteor $HTML5_CONFIG
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cat > /etc/bigbluebutton/nginx/html5-client-log.nginx << HERE
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location /html5log {
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access_log /var/log/nginx/html5-client.log postdata;
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echo_read_request_body;
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}
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HERE
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cat > /etc/nginx/conf.d/html5-client-log.conf << HERE
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log_format postdata '\$remote_addr [\$time_iso8601] \$request_body';
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HERE
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# We need nginx-full to enable postdata log_format
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if ! dpkg -l | grep -q nginx-full; then
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apt-get install -y nginx-full
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fi
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touch /var/log/nginx/html5-client.log
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chown bigbluebutton:bigbluebutton /var/log/nginx/html5-client.log
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#
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# You can monitor the live HTML5 client logs with the command
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#
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# tail -f /var/log/nginx/html5-client.log | sed -u 's/\\x22/"/g' | sed -u 's/\\x5C//g'
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}
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enableHTML5CameraQualityThresholds() {
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echo " - Enable HTML5 cameraQualityThresholds"
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yq w -i $HTML5_CONFIG public.kurento.cameraQualityThresholds.enabled true
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}
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enableHTML5WebcamPagination() {
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echo " - Enable HTML5 webcam pagination"
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yq w -i $HTML5_CONFIG public.kurento.pagination.enabled true
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}
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#
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# Enable firewall rules to open only
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#
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enableUFWRules() {
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echo " - Enable Firewall and opening 22/tcp, 80/tcp, 443/tcp and 16384:32768/udp"
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if ! which ufw > /dev/null; then
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apt-get install -y ufw
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fi
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ufw allow OpenSSH
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ufw allow "Nginx Full"
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ufw allow 16384:32768/udp
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ufw --force enable
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}
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enableMultipleKurentos() {
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echo " - Configuring three Kurento Media Servers (listen only, webcam, and screeshare)"
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# Step 1. Setup shared certificate between FreeSWITCH and Kurento
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HOSTNAME=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/server_name/{s/.*server_name[ ]*//;s/;//;p}' | cut -d' ' -f1 | head -n 1)
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openssl req -x509 -new -nodes -newkey rsa:4096 -sha256 -days 3650 -subj "/C=BR/ST=Ottawa/O=BigBlueButton Inc./OU=Live/CN=$HOSTNAME" -keyout /tmp/dtls-srtp-key.pem -out /tmp/dtls-srtp-cert.pem
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cat /tmp/dtls-srtp-key.pem /tmp/dtls-srtp-cert.pem > /etc/kurento/dtls-srtp.pem
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cat /tmp/dtls-srtp-key.pem /tmp/dtls-srtp-cert.pem > /opt/freeswitch/etc/freeswitch/tls/dtls-srtp.pem
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sed -i 's/;pemCertificateRSA=.*/pemCertificateRSA=\/etc\/kurento\/dtls-srtp.pem/g' /etc/kurento/modules/kurento/WebRtcEndpoint.conf.ini
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# Step 2. Setup systemd unit files to launch three separate instances of Kurento
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for i in `seq 8888 8890`; do
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cat > /usr/lib/systemd/system/kurento-media-server-${i}.service << HERE
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# /usr/lib/systemd/system/kurento-media-server-#{i}.service
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[Unit]
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Description=Kurento Media Server daemon (${i})
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After=network.target
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PartOf=kurento-media-server.service
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After=kurento-media-server.service
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[Service]
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UMask=0002
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Environment=KURENTO_LOGS_PATH=/var/log/kurento-media-server
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Environment=KURENTO_CONF_FILE=/etc/kurento/kurento-${i}.conf.json
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User=kurento
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Group=kurento
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LimitNOFILE=1000000
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ExecStartPre=-/bin/rm -f /var/kurento/.cache/gstreamer-1.5/registry.x86_64.bin
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ExecStart=/usr/bin/kurento-media-server --gst-debug-level=3 --gst-debug="3,Kurento*:4,kms*:4,KurentoWebSocketTransport:5"
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Type=simple
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PIDFile=/var/run/kurento-media-server-${i}.pid
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TasksMax=infinity
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Restart=always
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[Install]
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WantedBy=kurento-media-server.service
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HERE
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# Make a new configuration file each instance of Kurento that binds to a different port
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cp /etc/kurento/kurento.conf.json /etc/kurento/kurento-${i}.conf.json
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sed -i "s/8888/${i}/g" /etc/kurento/kurento-${i}.conf.json
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done
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# Step 3. Override the main kurento-media-server unit to start/stop the three Kurento instances
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cat > /etc/systemd/system/kurento-media-server.service << HERE
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[Unit]
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Description=Kurento Media Server
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[Service]
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Type=oneshot
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ExecStart=/bin/true
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RemainAfterExit=yes
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[Install]
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WantedBy=multi-user.target
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HERE
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# Step 4. Extend bbb-webrtc-sfu unit to wait for all three KMS servers to start
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mkdir -p /etc/systemd/system/bbb-webrtc-sfu.service.d
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cat > /etc/systemd/system/bbb-webrtc-sfu.service.d/override.conf << HERE
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[Unit]
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After=syslog.target network.target freeswitch.service kurento-media-server-8888.service kurento-media-server-8889.service kurento-media-server-8890.service
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HERE
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systemctl daemon-reload
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for i in `seq 8888 8890`; do
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systemctl enable kurento-media-server-${i}.service
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done
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# Step 5. Modify bbb-webrtc-sfu config to use the three Kurento servers
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KURENTO_CONFIG=/usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml
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MEDIA_TYPE=(main audio content)
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IP=$(yq r /usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml kurento[0].ip)
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for i in `seq 0 2`; do
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yq w -i $KURENTO_CONFIG "kurento[$i].ip" $IP
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yq w -i $KURENTO_CONFIG "kurento[$i].url" "ws://127.0.0.1:$(($i + 8888))/kurento"
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yq w -i $KURENTO_CONFIG "kurento[$i].mediaType" "${MEDIA_TYPE[$i]}"
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yq w -i $KURENTO_CONFIG "kurento[$i].ipClassMappings.local" ""
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yq w -i $KURENTO_CONFIG "kurento[$i].ipClassMappings.private" ""
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yq w -i $KURENTO_CONFIG "kurento[$i].ipClassMappings.public" ""
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yq w -i $KURENTO_CONFIG "kurento[$i].options.failAfter" 5
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yq w -i $KURENTO_CONFIG "kurento[$i].options.request_timeout" 30000
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yq w -i $KURENTO_CONFIG "kurento[$i].options.response_timeout" 30000
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done
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yq w -i $KURENTO_CONFIG balancing-strategy MEDIA_TYPE
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}
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disableMultipleKurentos() {
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echo " - Configuring a single Kurento Media Server for listen only, webcam, and screenshare"
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systemctl stop kurento-media-server.service
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for i in `seq 8888 8890`; do
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systemctl disable kurento-media-server-${i}.service
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done
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# Remove the overrride (restoring the original kurento-media-server.service unit file)
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rm -f /etc/systemd/system/kurento-media-server.service
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rm -f /etc/systemd/system/bbb-webrtc-sfu.service.d/override.conf
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systemctl daemon-reload
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# Restore bbb-webrtc-sfu configuration to use a single instance of Kurento
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KURENTO_CONFIG=/usr/local/bigbluebutton/bbb-webrtc-sfu/config/default.yml
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yq d -i $KURENTO_CONFIG kurento[1]
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yq d -i $KURENTO_CONFIG kurento[1]
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yq w -i $KURENTO_CONFIG "kurento[0].url" "ws://127.0.0.1:8888/kurento"
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yq w -i $KURENTO_CONFIG "kurento[0].mediaType" ""
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yq w -i $KURENTO_CONFIG balancing-strategy ROUND_ROBIN
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}
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notCalled() {
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#
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# This function is not called.
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# Instead, it gives you the ability to copy the following text and paste it into the shell to create a starting point for
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# apply-config.sh.
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#
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# By creating apply-config.sh manually, it will not be overwritten by any package updates. You can call functions in this
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# library for commong BigBlueButton configuration tasks.
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## Start Copying HEre
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cat > /etc/bigbluebutton/bbb-conf/apply-config.sh << HERE
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#!/bin/bash
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# Pull in the helper functions for configuring BigBlueButton
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source /etc/bigbluebutton/bbb-conf/apply-lib.sh
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# Available configuration options
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#enableHTML5ClientLog
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#enableUFWRules
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#enableHTML5CameraQualityThresholds
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#enableHTML5WebcamPagination
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#enableMultipleKurentos
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# Shorten the FreeSWITCH "you have been muted" and "you have been unmuted" prompts
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# cp -r /etc/bigbluebutton/bbb-conf/sounds /opt/freeswitch/share/freeswitch
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HERE
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chmod +x /etc/bigbluebutton/bbb-conf/apply-config.sh
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## Stop Copying HERE
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}
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