add variables and documentation

roles/gitlab/README.md

@@ -1,17 +1,15 @@
 Role Name
 =========
 
-A brief description of the role goes here.
-
+Installs and configures [Gitlab CE](https://about.gitlab.com/install/#ubuntu)
 Requirements
 ------------
 
-Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
 
 Role Variables
 --------------
 
-A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
+`gitlab_loadbalancer_domain_name: "github-http-name.princeton.edu`
 
 Dependencies
 ------------

roles/gitlab/handlers/main.yml

@@ -5,5 +5,7 @@
     name: postfix
     state: restarted
 
-- name: reconfigure gitlab
+- name: Reconfigure gitlab
   ansible.builtin.command: gitlab-ctl reconfigure
+  changed_when: false
+  when: running_on_server

roles/gitlab/tasks/main.yml

@@ -57,4 +57,4 @@
     owner: root
     group: root
     mode: "0600"
-  notify: reconfigure gitlab
+  notify: Reconfigure gitlab