Make JVB websockets reverse-proxying work

roles/matrix-jitsi/defaults/main.yml

@@ -247,3 +247,8 @@ matrix_jitsi_jvb_container_rtp_udp_host_bind_port: "{{ matrix_jitsi_jvb_rtp_udp_
 #
 # Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:4443"), or empty string to not expose.
 matrix_jitsi_jvb_container_rtp_tcp_host_bind_port: "{{ matrix_jitsi_jvb_rtp_tcp_port }}"
+
+# Controls whether the matrix-jitsi-jvb container exposes its Colibri WebSocket port (tcp/9090 in the container).
+#
+# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:12090"), or empty string to not expose.
+matrix_jitsi_jvb_container_colibri_ws_host_bind_port: ''

roles/matrix-jitsi/templates/jvb/matrix-jitsi-jvb.service.j2

@@ -21,6 +21,9 @@ ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-jitsi-jvb \
 			{% if matrix_jitsi_jvb_container_rtp_tcp_host_bind_port %}
 			-p {{ matrix_jitsi_jvb_container_rtp_tcp_host_bind_port }}:{{ matrix_jitsi_jvb_rtp_tcp_port }} \
 			{% endif %}
+			{% if matrix_jitsi_jvb_container_colibri_ws_host_bind_port %}
+			-p {{ matrix_jitsi_jvb_container_colibri_ws_host_bind_port }}:9090 \
+			{% endif %}
 			--mount type=bind,src={{ matrix_jitsi_jvb_config_path }},dst=/config \
 			{% for arg in matrix_jitsi_jvb_container_extra_arguments %}
 			{{ arg }} \

roles/matrix-nginx-proxy/templates/nginx/conf.d/matrix-jitsi.conf.j2

@@ -23,6 +23,27 @@
 		proxy_set_header Host $host;
 		proxy_set_header X-Forwarded-For $remote_addr;
 	}
+
+	# colibri (JVB) websockets
+	location ~ ^/colibri-ws/([a-zA-Z0-9-\.]+)/(.*) {
+		{% if matrix_nginx_proxy_enabled %}
+			resolver 127.0.0.11 valid=5s;
+			set $backend "matrix-jitsi-jvb:9090";
+			proxy_pass http://$backend;
+		{% else %}
+			{# Generic configuration for use outside of our container setup #}
+			proxy_pass http://127.0.0.1:12090;
+		{% endif %}
+
+		proxy_set_header Host $host;
+		proxy_set_header X-Forwarded-For $remote_addr;
+		proxy_set_header Upgrade $http_upgrade;
+		proxy_set_header Connection "upgrade";
+
+		proxy_http_version 1.1;
+
+		tcp_nodelay on;
+	}
 {% endmacro %}
 
 server {