add docker.sock mount to docker runner

molecule/default/molecule.yml

@@ -5,7 +5,7 @@ driver:
   name: docker
 platforms:
   - name: instance
-    image: ubuntu-docker
+    image: docker.io/geerlingguy/docker-ubuntu2404-ansible:latest
     pre_build_image: true
     command: ${MOLECULE_DOCKER_COMMAND:-""}
     volumes:

tasks/main.yml

@@ -11,6 +11,7 @@
     name:
       - debian-archive-keyring
       - apt-transport-https
+      - python3-gitlab
     state: present
 
 # Key and Repository links are taken from official installation script
@@ -38,11 +39,6 @@
     name: gitlab-runner
     state: present
 
-- name: Install pythong dependencies for community.general.gitlab_runner module.
-  ansible.builtin.pip:
-    name: python-gitlab
-    state: present
-
 # Using deprecated method of regestiring runners
 # (with registration token) because I had issues with
 # api returning "403 Insufficient permissions" response.
@@ -59,6 +55,11 @@
     locked: true
   register: runner
 
+- name: Prevent rerunning configuration tasks if the runner already registered.
+  ansible.builtin.debug:
+    msg: Runner already installed, skipping the next steps.
+  when: runner.changed == false and runner.failed == false
+
 - name: Install Gitlab Runner configuration file.
   ansible.builtin.template:
     src: templates/config.toml.j2
@@ -68,6 +69,7 @@
     mode: '0600'
   notify:
     - Restart gitlab-runner service
+  when: runner.changed == true
 
 - name: Enable gitlab-runner service.
   ansible.builtin.service:

templates/config.toml.j2

@@ -27,6 +27,6 @@ shutdown_timeout = 0
     disable_entrypoint_overwrite = false
     oom_kill_disable = false
     disable_cache = false
-    volumes = ["/cache"]
+    volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/cache"]
     shm_size = 0
     network_mtu = 0