gitlab: Fix address binding

GitLab becomes unhappy if it can't poll localhost.

playbooks/gitlab.archlinux.org.yml

@@ -11,7 +11,7 @@
     - { role: root_ssh }
     - { role: gitlab,
         gitlab_domain: "gitlab.archlinux.org",
-        gitlab_primary_addresses: ['159.69.41.129', '[2a01:4f8:c2c:5d2d::1]'],
+        gitlab_primary_addresses: ['159.69.41.129', '[2a01:4f8:c2c:5d2d::1]', '127.0.0.1', '[::1]'],
         gitlab_pages_http_addresses: ['116.203.6.156:80', '[2a01:4f8:c2c:5d2d::2]:80'],
         gitlab_pages_https_addresses: ['116.203.6.156:443', '[2a01:4f8:c2c:5d2d::2]:443']
       }

roles/gitlab/tasks/main.yml

@@ -34,7 +34,7 @@
         external_url 'https://{{ gitlab_domain }}'
         nginx['client_max_body_size'] = '10g'
         nginx['listen_addresses'] = {{ gitlab_primary_addresses }}
-        registry_nginx['listen_addresses'] = ['*', '[::]']
+        registry_nginx['listen_addresses'] = {{ gitlab_primary_addresses }}
         gitlab_pages['inplace_chroot'] = true
         pages_external_url "http://{{ gitlab_domain }}"
         pages_nginx['enable'] = false