Fix nodered reverseproxy

roles/nodered/tasks/main.yml

@@ -79,6 +79,11 @@
     state: absent
   when: not nodered_enabled
 
+- name: Enable proxy_wstunnel apache2 module
+  apache2_module:
+    state: present
+    name: proxy_wstunnel
+
 - name: Restart apache2 service
   systemd:
     name: apache2

roles/nodered/templates/nodered.conf.j2

@@ -1,2 +1,5 @@
-ProxyPass /{{ nodered_web_path }}  http://localhost:{{ nodered_port }}
-ProxyPassReverse /{{ nodered_web_path }}  http://localhost:{{ nodered_port }}
+ProxyPreserveHost On
+ProxyRequests Off
+ProxyPass /{{ nodered_web_path }}/debug/ws ws://localhost:1880/{{ nodered_web_path }}/debug/ws
+ProxyPass /{{ nodered_web_path }}  http://localhost:{{ nodered_port }}/{{ nodered_web_path }}
+ProxyPassReverse /{{ nodered_web_path }}  http://localhost:{{ nodered_port }}/{{ nodered_web_path }}

roles/nodered/templates/settings.js.j2

@@ -96,7 +96,7 @@ module.exports = {
 
     // The following property can be used in place of 'httpAdminRoot' and 'httpNodeRoot',
     // to apply the same root to both parts.
-    //httpRoot: '/red',
+    httpRoot: '/{{ nodered_web_path }}',
 
     // When httpAdminRoot is used to move the UI to a different root path, the
     // following property can be used to identify a directory of static content