Do not set up nginx-proxy auto-restart if not using Let's Encrypt

Fix for d28bdb3258

roles/matrix-server/tasks/setup/setup_nginx_proxy.yml

@@ -62,7 +62,7 @@
     src: "{{ role_path }}/templates/cron.d/matrix-nginx-proxy-periodic-restarter.j2"
     dest: "/etc/cron.d/matrix-nginx-proxy-periodic-restarter"
     mode: 0600
-  when: matrix_nginx_proxy_enabled
+  when: "matrix_nginx_proxy_enabled and matrix_ssl_retrieval_method == 'lets-encrypt'"
 
 #
 # Tasks related to getting rid of matrix-nginx-proxy (if it was previously enabled)
@@ -87,4 +87,4 @@
   file:
     path: "/etc/cron.d/matrix-nginx-proxy-periodic-restarter"
     state: absent
-  when: "not matrix_nginx_proxy_enabled"
+  when: "not matrix_nginx_proxy_enabled or matrix_ssl_retrieval_method != 'lets-encrypt'"

roles/matrix-server/tasks/setup/ssl/setup_ssl_lets_encrypt.yml

@@ -4,6 +4,8 @@
 # Tasks related to setting up Let's Encrypt's management of certificates
 #
 
+- debug: var="matrix_ssl_retrieval_method"
+
 - name: (Deprecation) Fail if using outdated configuration
   fail:
     msg: "You're using the `host_specific_matrix_ssl_support_email` variable, which has been superseded by `host_specific_matrix_ssl_lets_encrypt_support_email`. Please change your configuration to use the new name!"