Migrate to using mucs for jvb.

debian/jitsi-meet-prosody.postinst

             mkdir -p /etc/prosody/conf.d/
             cp /usr/share/jitsi-meet-prosody/prosody.cfg.lua-jvb.example $PROSODY_HOST_CONFIG
             sed -i "s/jitmeet.example.com/$JVB_HOSTNAME/g" $PROSODY_HOST_CONFIG
-            sed -i "s/jitmeetSecret/$JVB_SECRET/g" $PROSODY_HOST_CONFIG
             sed -i "s/focusSecret/$JICOFO_SECRET/g" $PROSODY_HOST_CONFIG
             sed -i "s/focusUser/$JICOFO_AUTH_USER/g" $PROSODY_HOST_CONFIG
             if [ ! -f /etc/prosody/conf.d/$JVB_HOSTNAME.cfg.lua ]; then
             PROSODY_CONFIG_PRESENT="false"
         fi
 
+        # we always try to create the user 'jvb' and not fail configure if user exists
+        prosodyctl register jvb $JICOFO_AUTH_DOMAIN $JVB_SECRET || true
+
+        # Check whether prosody config has the internal muc, if not add it,
+        # as we are migrating configs
+        if ! grep -q "internal.auth.$JVB_HOSTNAME" $PROSODY_HOST_CONFIG; then
+            echo -e "\nComponent \"internal.auth.$JVB_HOSTNAME\" \"muc\"" >> $PROSODY_HOST_CONFIG
+            echo -e "    storage = \"null\"" >> $PROSODY_HOST_CONFIG
+            echo -e "    modules_enabled = { \"ping\"; }" >> $PROSODY_HOST_CONFIG
+            echo -e "    admins = { \"focusUser@auth.jitmeet.example.com\", \"jvb@auth.jitmeet.example.com\" }" >> $PROSODY_HOST_CONFIG
+        fi
+
         if [ ! -f /var/lib/prosody/$JVB_HOSTNAME.crt ]; then
             # prosodyctl takes care for the permissions
             # echo for using all default values

doc/debian/jitsi-meet-prosody/prosody.cfg.lua-jvb.example

         "muc_domain_mapper";
         -- "token_verification";
     }
-admins = { "focusUser@auth.jitmeet.example.com" }
+    admins = { "focusUser@auth.jitmeet.example.com" }
 
-Component "jitsi-videobridge.jitmeet.example.com"
-    component_secret = "jitmeetSecret"
+-- internal muc component
+Component "internal.auth.jitmeet.example.com" "muc"
+    storage = "null"
+    modules_enabled = {
+      "ping";
+    }
+    admins = { "focusUser@auth.jitmeet.example.com", "jvb@auth.jitmeet.example.com" }
 
 VirtualHost "auth.jitmeet.example.com"
     authentication = "internal_plain"