[nginx] Copy 401 error page if we use credentials

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

group_vars/mailman.yml

@@ -17,7 +17,7 @@ loc_nginx:
         - filter: "/error/"
           params:
             - "internal"
-            - "alias /var/www"
+            - "alias /var/www/html"
         - filter: "/create"
           params:
             - "default_type text/html"
@@ -34,7 +34,7 @@ loc_nginx:
             - "deny all"
             - "auth_basic \"On n'aime pas les spambots, donc on a mis un mot de passe. Le login est Stop et le mot de passe est Spam.\""
             - "auth_basic_user_file /etc/nginx/passwd"
-            - "error_page 401 /error/custom_401.html"
+            - "error_page 401 /error/401.html"
         - filter: "~ ^/admin"
           params:
             - "satisfy any"
@@ -44,7 +44,7 @@ loc_nginx:
             - "deny all"
             - "auth_basic \"On n'aime pas les spambots, donc on a mis un mot de passe. Le login est Stop et le mot de passe est Spam.\""
             - "auth_basic_user_file /etc/nginx/passwd"
-            - "error_page 401 /error/custom_401.html"
+            - "error_page 401 /error/401.html"
         - filter: "/images/mailman"
           params:
             - "alias /usr/share/images/mailman"

roles/nginx/tasks/main.yml

@@ -78,7 +78,14 @@
     mode: 0755
 
 - name: Install passwords
+  when: nginx.auth_passwd|length > 0
   template:
     src: nginx/passwd.j2
     dest: /etc/nginx/passwd
     mode: 0644
+
+- name: Copy 401 error page
+  when: nginx.auth_passwd|length > 0
+  template:
+    src: www/html/401.html.j2
+    dest: /var/www/html/401.html