Add Livekit package

For now, we will not rebuild livekit, but rather use the precompiled
project binaries.

As per BBB convention, this package provides an immutable default
configuration file which gets merged with a user-modifiable file
in /etc/bigbluebutton.

.github/workflows/automated-tests.yml

@@ -73,7 +73,7 @@ jobs:
             build-list: bbb-webrtc-sfu bbb-webrtc-recorder
             cache-files-list: bbb-webrtc-sfu.placeholder.sh bbb-webrtc-recorder.placeholder.sh
           - package: others
-            build-list: bbb-mkclean bbb-pads bbb-libreoffice-docker bbb-transcription-controller bigbluebutton
+            build-list: bbb-mkclean bbb-pads bbb-libreoffice-docker bbb-transcription-controller bigbluebutton bbb-livekit
     steps:
       - uses: actions/checkout@v3
       - name: Merge branches

.gitlab-ci.yml

@@ -182,6 +182,11 @@ bbb-webrtc-recorder-build:
   script:
     - build/setup-inside-docker.sh bbb-webrtc-recorder
 
+bbb-livekit:
+  extends: .build_job
+  script:
+    - build/setup-inside-docker.sh bbb-livekit
+
 bbb-transcription-controller-build:
   extends: .build_job
   script:

build/packages-template/bbb-livekit/after-install.sh

@@ -0,0 +1,24 @@
+#!/bin/bash -e
+
+if [ ! -f /etc/bigbluebutton/livekit.yaml ]; then
+  keys="$(livekit-server generate-keys|awk 'BEGIN { ORS=": "} { print $3 }')"
+ (umask 007; cat << EOT
+# This file will be merged with /usr/share/livekit-server/livekit.yaml
+# on startup. Settings specified here will take  precedence.
+
+logging:
+  level: debug
+keys:
+  $keys
+cat << EOT > /etc/bigbluebutton/livekit.yaml
+    chown bigbluebutton:bigbluebutton /etc/bigbluebutton/livekit.yaml
+  fi
+
+  if [ ! -f /.dockerenv ]; then
+    systemctl enable livekit-server.service
+    systemctl daemon-reload
+    startService livekit-server.service || echo "livekit-server service could not be registered or started"
+  fi
+EOT
+  )
+fi

build/packages-template/bbb-livekit/after-remove.sh

@@ -0,0 +1,12 @@
+#!/bin/bash -e
+
+case "$1" in
+   remove|purge)
+       systemctl daemon-reload
+   ;;
+   failed-upgrade|abort-upgrade|abort-install|disappear)
+   ;;
+   *)
+       echo "postinst called with unknown argument \`\$1'" >&2
+   ;;
+esac

build/packages-template/bbb-livekit/before-install.sh

@@ -0,0 +1,14 @@
+#!/bin/bash -e
+
+case "$1" in
+    install|upgrade|1|2)
+    ;;
+
+    abort-upgrade)
+    ;;
+
+    *)
+        echo "## preinst called with unknown argument \`$1'" >&2
+    ;;
+esac
+

build/packages-template/bbb-livekit/before-remove.sh

@@ -0,0 +1,4 @@
+#!/bin/bash -e
+
+stopService livekit-server || echo "livekit-server could not be unregistered or stopped"
+

build/packages-template/bbb-livekit/build.sh

@@ -0,0 +1,45 @@
+#!/bin/bash -ex
+
+TARGET=`basename $(pwd)`
+
+SERVER_VERSION=1.5.1
+CLI_VERSION=1.3.0
+
+PACKAGE=$(echo $TARGET | cut -d'_' -f1)
+VERSION=$(echo $TARGET | cut -d'_' -f2)
+DISTRO=$(echo $TARGET | cut -d'_' -f3)
+
+BUILDDIR=$PWD
+DESTDIR=$BUILDDIR/staging
+
+#
+# Clear staging directory for build
+
+rm -rf $DESTDIR
+mkdir -p $DESTDIR
+
+. ./opts-$DISTRO.sh
+
+mkdir -p $DESTDIR/usr/share/bigbluebutton/nginx
+cp livekit.nginx $DESTDIR/usr/share/bigbluebutton/nginx
+
+mkdir -p $DESTDIR/lib/systemd/system/
+cp livekit-server.service $DESTDIR/lib/systemd/system
+
+mkdir -p $DESTDIR/usr/share/livekit-server
+cp livekit.yaml $DESTDIR/usr/share/livekit-server
+
+mkdir -p $DESTDIR/usr/bin
+
+curl https://github.com/livekit/livekit/releases/download/v${SERVER_VERSION}/livekit_${SERVER_VERSION}_linux_amd64.tar.gz  -Lo - | tar -C $DESTDIR/usr/bin -xzf - livekit-server
+curl https://github.com/livekit/livekit-cli/releases/download/v${CLI_VERSION}/livekit-cli_${CLI_VERSION}_linux_amd64.tar.gz -Lo - | tar -C $DESTDIR/usr/bin -xzf - livekit-cli
+
+fpm -s dir -C $DESTDIR -n $PACKAGE \
+    --version $VERSION --epoch 2 \
+    --before-install before-install.sh      \
+    --after-install after-install.sh        \
+    --before-remove before-remove.sh        \
+    --after-remove after-remove.sh         \
+    --description "BigBlueButton build of LiveKit Server" \
+    $DIRECTORIES                            \
+    $OPTS

build/packages-template/bbb-livekit/livekit-server.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=LiveKit Server
+Wants=redis-server.service
+After=syslog.target network.target freeswitch.service redis-server.service
+PartOf=bigbluebutton.target
+
+[Service]
+Type=exec
+ExecStartPre=-bash -c "umask 077; yq eval-all '. as $item ireduce ({}; . * $item )' /usr/share/livekit-server/livekit.yaml /etc/bigbluebutton/livekit.yaml > ${RUNTIME_DIRECTORY}/livekit.yaml"
+ExecStart=/usr/bin/livekit-server --config "${RUNTIME_DIRECTORY}/livekit.yaml"
+ExecStopPost=rm ${RUNTIME_DIRECTORY}/livekit.yaml
+RuntimeDirectory=livekit-server
+Restart=always
+User=bigbluebutton
+Group=bigbluebutton
+CPUSchedulingPolicy=fifo
+Nice=19
+
+[Install]
+WantedBy=multi-user.target bigbluebutton.target

build/packages-template/bbb-livekit/livekit.nginx

@@ -0,0 +1,11 @@
+location /livekit/ {
+    proxy_pass http://127.0.0.1:7880/;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "Upgrade";
+
+    proxy_read_timeout 60s;
+    proxy_send_timeout 60s;
+    client_body_timeout 60s;
+    send_timeout 60s;
+}

build/packages-template/bbb-livekit/livekit.yaml

@@ -0,0 +1,12 @@
+port: 7880
+log_level: debug
+# when enabled, LiveKit will expose prometheus metrics on :6789/metrics
+#prometheus_port: 6789
+rtc:
+  port_range_start: 16384
+  port_range_end: 32768
+  use_external_ip: false
+redis:
+#  # redis is recommended for production deploys
+#  address: servername:6379
+

build/packages-template/bbb-livekit/opts-jammy.sh

@@ -0,0 +1,3 @@
+. ./opts-global.sh
+
+OPTS="$OPTS -t deb -d yq"