On apply-config, fix nginx config, part 1.

Ensure, that port 80 requests are always redirected to 443. We do not
want unencrypted traffic in videoconferencing.

bbb-apply-config.yml

 # This is an ansible playbook to apply BBB configuration values
+#
+# For the local host, use it (as root) like:
+#
+#   ansible-playbook --connection=local -i 127.0.0.1, path/to/bbb-apply-config.yml
+#
 - name: Apply local BBB configuration
-  hosts: all
+  hosts: bigbluebutton
+  become: yes
   tasks:
   - name: We are alive
     debug:
-      msg: "Hello, world!"
+      msg: Hello world, from {{ ansible_fqdn }}.
+
+  - name: Fix nginx bigbluebutton config
+    blockinfile:
+      path: /etc/nginx/sites-available/bigbluebutton
+      insertafter: server_name
+      block: |
+        location / {
+              return 301    https://$host$request_uri;
+            }
+        }
+        ## tls-secured bbb ###
+        server {
+            server_name {{ ansible_fqdn }};
+      backup: yes