[jitsi] Jitsi Scale additions -- connection monitoring, start/stop for JVB servers

lib/jitsi.sh

@@ -17,6 +17,14 @@ config_jitsi() {
 #    chmod 644 /federated/apps/jitsi/data/config/keys/*.pem
   fi
 
+  grep -q JITSI_SCALE /etc/federated && sed -i -e '/JITSI_SCALE/d' /etc/federated
+  if [ -n "$JITSI_SCALE" ]; then
+    cat >>/etc/federated <<EOF
+# JITSI_SCALE: not set = use local jvb, client = jitsi only, server = jvb only
+JITSI_SCALE=$JITSI_SCALE
+EOF
+  fi
+
 # Extract Jitsi's gen-password.sh into /federated/apps/jitsi
 install -c -m 755 /federated/lib/files/jitsi/gen-passwords.sh /federated/apps/jitsi/
 
@@ -354,6 +362,17 @@ if [ "$JITSI_SCALE" != "client" ]; then
         ports:
             - '\${JVB_PORT:-10000}:\${JVB_PORT:-10000}/udp'
             - '127.0.0.1:\${JVB_COLIBRI_PORT:-9090}:9090'
+EOF
+	if [ "$JITSI_SCALE" = "server" ]; then
+		# 8080 is the PRIVATE interface, giving access to
+		# endpoints like /colibri/stats - useful for JVB
+		# servers to see whether or not there are any
+		# active connections
+		cat >> /federated/apps/jitsi/docker-compose.yml <<EOF
+            - '127.0.0.1:8080:8080'
+EOF
+	fi
+	cat >> /federated/apps/jitsi/docker-compose.yml <<EOF
         volumes:
             - \${CONFIG}/jvb:/config:Z
         environment:
@@ -483,6 +502,11 @@ if [ "$JITSI_SCALE" = "server" ]; then
 
 # XMPP password for JVB client connections
 JVB_AUTH_PASSWORD=
+
+# Enable Colibri (statistics/monitoring) so we can check for activity
+COLIBRI_REST_ENABLED=1
+SHUTDOWN_REST_ENABLED=1
+ENABLE_COLIBRI_WEBSOCKET=1
 EOF
 else
 
@@ -810,7 +834,11 @@ uninstall_jitsi() {
 }
 start_jitsi() {
   # Start service with command to make sure it's up before proceeding
-  start_service "jitsi" "nc -z 192.168.0.25 443 &> /dev/null" "8"
+  if [ "$JITSI_SCALE" = "server" ]; then
+    start_service "jitsi" "nc -z 192.168.0.28 8080 &> /dev/null" "8"
+  else
+    start_service "jitsi" "nc -z 192.168.0.25 443 &> /dev/null" "8"
+  fi
   # Allow multiple JVBs to connect
   if [ "$JITSI_SCALE" = "client" ]; then
     for i in $(seq 1 10); do