Meetpad: proxy through meetpad to etherpad.opendev.org

This makes two changes: it proxies all etherpad traffic through
the nginx running in docker in order to avoid any weird cross-domain
problems.

It also switches to using the new etherpad.opendev.org server.

Change-Id: I99f7f284088f0d241a8490d01cccdf782bdd45d2

playbooks/roles/jitsi-meet/files/config.js

@@ -251,7 +251,7 @@ var config = {
     // Whether to use a welcome page or not. In case it's false a random room
     // will be joined when no room is specified.
     enableWelcomePage: true,
-    etherpad_base: 'https://etherpad.opendev.org/p/',
+    etherpad_base: 'https://meetpad.opendev.org/etherpad/p/',
     useRoomAsSharedDocumentName: true,
     openSharedDocumentOnJoin: true,
 

playbooks/roles/jitsi-meet/files/meet.conf

@@ -0,0 +1,50 @@
+server_name _;
+
+client_max_body_size 0;
+
+root /usr/share/jitsi-meet;
+index index.html
+error_page 404 /static/404.html;
+
+location ~ ^/([a-zA-Z0-9=\?]+)$ {
+    rewrite ^/(.*)$ / break;
+}
+
+location /config.js {
+    alias /config/config.js;
+}
+
+location /interface_config.js {
+    alias /config/interface_config.js;
+}
+
+location /external_api.js {
+    alias /usr/share/jitsi-meet/libs/external_api.min.js;
+}
+
+location / {
+    ssi on;
+}
+
+# BOSH
+location /http-bind {
+    proxy_pass http://localhost:5280/http-bind;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header Host localhost;
+}
+
+# Etherpad-lite
+location /etherpad/ {
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection 'upgrade';
+    proxy_set_header Host 'etherpad.opendev.org';
+    proxy_cache_bypass $http_upgrade;
+    proxy_pass_header Server;
+
+    proxy_pass https://etherpad.opendev.org/;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_ssl_server_name on;
+    proxy_buffering off;
+}

playbooks/roles/jitsi-meet/tasks/main.yaml

@@ -8,10 +8,15 @@
     path: "/var/jitsi-meet/{{ item }}"
   loop:
     - web
+    - web/nginx
 - name: Write web config
   copy:
     src: config.js
     dest: /var/jitsi-meet/web/config.js
+- name: Write nginx config
+  copy:
+    src: meet.conf
+    dest: /var/jitsi-meet/web/nginx/meet.conf
 - name: Run docker-compose pull
   shell:
     cmd: docker-compose pull