Change variable to match convention; Add to README

README.md

@@ -26,6 +26,9 @@ The GitLab registration token. If this is specified, a runner will be registered
 The GitLab coordinator URL.
 Defaults to `https://gitlab.com/ci`.
 
+`gitlab_runner_sentry_dsn`
+Enable tracking of all system level errors to Sentry
+
 `gitlab_runner_runners`
 A list of gitlab runners to register & configure. Defaults to a single shell executor. See the [`defaults/main.yml`](https://github.com/riemers/ansible-gitlab-runner/blob/master/defaults/main.yml) file listing all possible options which you can be passed to a runner registration command.
 

defaults/main.yml

@@ -10,6 +10,8 @@ gitlab_runner_coordinator_url: 'https://gitlab.com/ci'
 # GitLab registration token
 gitlab_runner_registration_token: ''
 
+gitlab_runner_sentry_dsn: ''
+
 # A list of runners to register and configure
 gitlab_runner_runners:
  # The identifier of the runner.

tasks/global-setup.yml

@@ -12,9 +12,9 @@
  lineinfile:
  dest: /etc/gitlab-runner/config.toml
  regexp: '^sentry_dsn ='
- line: 'sentry_dsn = "{{ sentry_dsn }}"'
+ line: 'sentry_dsn = "{{ gitlab_runner_sentry_dsn }}"'
  insertafter: '\s*concurrent.*'
  state: present
- when: sentry_dsn is defined
+ when: gitlab_runner_sentry_dsn != ""
  notify: restart_gitlab_runner
 -