jvb: add ability to disable XMPP

In case the REST API is the only API that is going to be used.

docker-compose.yml

@@ -424,6 +424,7 @@ services:
             - JVB_AUTH_PASSWORD
             - JVB_BREWERY_MUC
             - JVB_DISABLE_STUN
+            - JVB_DISABLE_XMPP
             - JVB_INSTANCE_ID
             - JVB_PORT
             - JVB_MUC_NICKNAME

jvb/rootfs/defaults/jvb.conf

@@ -1,4 +1,5 @@
 {{ $COLIBRI_REST_ENABLED := .Env.COLIBRI_REST_ENABLED | default "false" | toBool -}}
+{{ $DISABLE_XMPP := .Env.JVB_DISABLE_XMPP | default "0" | toBool -}}
 {{ $ENABLE_COLIBRI_WEBSOCKET := .Env.ENABLE_COLIBRI_WEBSOCKET | default "1" | toBool -}}
 {{ $ENABLE_OCTO := .Env.ENABLE_OCTO | default "0" | toBool -}}
 {{ $ENABLE_SCTP := .Env.ENABLE_SCTP | default "0" | toBool -}}
@@ -37,6 +38,7 @@ videobridge {
         advertise-private-candidates = {{ $JVB_ADVERTISE_PRIVATE_CANDIDATES }}
     }
     apis {
+{{ if not $DISABLE_XMPP -}}
         xmpp-client {
             configs {
 {{ if $ENABLE_JVB_XMPP_SERVER }}
@@ -67,9 +69,10 @@ videobridge {
                     DISABLE_CERTIFICATE_VERIFICATION = true
                 }
 {{ end -}}
-{{ end }}
+{{ end -}}
             }
         }
+{{ end -}}
         rest {
             enabled = {{ $COLIBRI_REST_ENABLED }}
         }

jvb/rootfs/etc/cont-init.d/10-config

@@ -1,17 +1,24 @@
 #!/usr/bin/with-contenv bash
 
-if [[ -z $JVB_AUTH_PASSWORD ]]; then
+if [[ -z $JVB_DISABLE_XMPP ]]; then
+    if [[ -z $JVB_AUTH_PASSWORD ]]; then
         echo 'FATAL ERROR: JVB auth password must be set'
         exit 1
-fi
+    fi
 
-OLD_JVB_AUTH_PASSWORD=passw0rd
-if [[ "$JVB_AUTH_PASSWORD" == "$OLD_JVB_AUTH_PASSWORD" ]]; then
+    OLD_JVB_AUTH_PASSWORD=passw0rd
+    if [[ "$JVB_AUTH_PASSWORD" == "$OLD_JVB_AUTH_PASSWORD" ]]; then
         echo 'FATAL ERROR: JVB auth password must be changed, check the README'
         exit 1
-fi
+    fi
 
-[ -z "${XMPP_SERVER}" ] && export XMPP_SERVER=xmpp.meet.jitsi
+    [ -z "${XMPP_SERVER}" ] && export XMPP_SERVER=xmpp.meet.jitsi
+
+    # On environments like Swarm the IP address used by the default gateway need not be
+    # the one used for inter-container traffic. Use that one for our fallback ID.
+    XMPP_SERVER_IP=$(dig +short +search ${XMPP_SERVER})
+    export JVB_WS_SERVER_ID_FALLBACK=$(ip route get ${XMPP_SERVER_IP} | grep -oP '(?<=src ).*' | awk '{ print $1 '})
+fi
 
 # Migration from DOCKER_HOST_ADDRESS to JVB_ADVERTISE_IPS
 if [[ -z "${JVB_ADVERTISE_IPS}" ]]; then
@@ -21,11 +28,6 @@ if [[ -z "${JVB_ADVERTISE_IPS}" ]]; then
     fi
 fi
 
-# On environments like Swarm the IP address used by the default gateway need not be
-# the one used for inter-container traffic. Use that one for our fallback ID.
-XMPP_SERVER_IP=$(dig +short +search ${XMPP_SERVER})
-export JVB_WS_SERVER_ID_FALLBACK=$(ip route get ${XMPP_SERVER_IP} | grep -oP '(?<=src ).*' | awk '{ print $1 '})
-
 # Local IP for the ice4j mapping harvester.
 export LOCAL_ADDRESS=$(ip route get 1 | grep -oP '(?<=src ).*' | awk '{ print $1 '})