Register GitLab Runner

defaults/main.yml

 ---
 # Maximum number of jobs to run concurrently
 gitlab_runner_concurrent: '{{ ansible_processor_cores }}'
+
+# GitLab coordinator URL
+gitlab_runner_coordinator_url: 'https://gitlab.com/ci'
+# GitLab registration token
+gitlab_runner_registration_token: ''
+# Runner description
+gitlab_runner_description: '{{ ansible_hostname }}'
+# Runner executor
+gitlab_runner_executor: 'shell'
+# Runner tags
+gitlab_runner_tags: []

tasks/main.yml

@@ -5,3 +5,7 @@
 
 - name: Set global options
   include: global-setup.yml
+
+- name: Register GitLab Runner
+  include: register-runner.yml
+  when: gitlab_runner_registration_token != ''

tasks/register-runner.yml

+---
+- name: List configured runners
+  command: gitlab-runner list
+  register: configured_runners
+
+- name: Register runner to GitLab
+  command: gitlab-runner register >
+    --non-interactive
+    --url '{{ gitlab_runner_coordinator_url }}'
+    --registration-token '{{ gitlab_runner_registration_token }}'
+    --description '{{ gitlab_runner_description }}'
+    --tag-list '{{ gitlab_runner_tags | join(",") }}'
+    --executor '{{ gitlab_runner_executor }}'
+  when: configured_runners.stderr.find('\n{{ gitlab_runner_description }}') == -1