Update: will now register runner using non-deprecated token method

group_vars/ci-runners.yml.example

 runner:
   gitlab_url: 'https://gitlab.geant.org/'
+  git_project_name: 'nat/gap'
   access_token: xxx
   registration_token: xxx
-  runner_tags:
-    - gap
-    - nat
+  executor: shell

inventory.yml

 ci-runners:
   hosts:
-    test-nat-ci01:
-      ansible_host:
-        test-nat-ci01
+    nat-runner-01:
+      ansible_host: nat-runner-01

roles/gitlab-runner/tasks/main.yml

@@ -18,17 +18,30 @@
   ansible.builtin.pip:
     name: python-gitlab
 
-- name: Register runner
-  no_log: true
+- name: Request runner token
   community.general.gitlab_runner:
     api_url: '{{ runner.gitlab_url }}'
     api_token: '{{ runner.access_token }}'
     registration_token: '{{ runner.registration_token }}'
     description: '{{ inventory_hostname_short }}'
-    project: 'nat/gap'
+    project: '{{ runner.git_project_name }}'
     state: present
-    tag_list: '{{ runner.runner_tags + [inventory_hostname_short] }}'
+    tag_list: '{{ runner.executor }}-executor'
     run_untagged: false
     locked: true
     access_level_on_creation: true
     access_level: 'not_protected'
+  no_log: true
+  register: gitlab_authentication_response
+
+- name: Register GitLab
+  ansible.builtin.command:
+    argv:
+      - gitlab-runner
+      - register
+      - '--url={{ runner.gitlab_url }}'
+      - '--token={{ gitlab_authentication_response.runner.token }}'
+      - '--executor={{ runner.executor }}'
+      - '--non-interactive'
+  become: true
+  no_log: true