apache: ignore errors when enabling the ssl modules. The check could fail because the configuration is not ready yet.

library/roles/apache/tasks/apache-letsencrypt.yml

@@ -3,16 +3,19 @@
     - name: Enable the proxy modules needed by letsencrypt
       apache2_module: name={{ item }} state=present
       with_items: '{{ apache_letsencrypt_proxy_modules }}'
+      ignore_errors: True
       notify: apache2 reload 
 
     - name: Install the apache letsencrypt directives on trusty
       template: src={{ item }}.j2 dest=/etc/apache2/conf-available/{{ item }} owner=root group=root mode=0644
       with_items: '{{ apache_letsencrypt_proxy_conf }}'
+      ignore_errors: True
       notify: apache2 reload 
 
     - name: Enable the apache letsencrypt directives on trusty
       file: src=/etc/apache2/conf-available/{{ item }} dest=/etc/apache2/conf-enabled/{{ item }} state=link
       with_items: '{{ apache_letsencrypt_proxy_conf }}'
+      ignore_errors: True
       notify: apache2 reload 
 
     - name: Create the acme hooks directory if it does not yet exist
@@ -29,6 +32,7 @@
 - block:
     - name: Disable the letsencrypt conf
       file: dest=/etc/apache2/conf-enabled/letsencrypt-proxy.conf state=absent
+      ignore_errors: True
       notify: apache2 reload 
 
     - name: Remove the letsencrypt hook for apache