Use the .yaml file extension for all YAML files

playbooks/roles/raspberry_pi_check/tasks/main.yaml

@@ -0,0 +1,12 @@
+- name: Detect if on Raspberry Pi
+  ansible.builtin.lineinfile:
+    path: /proc/cpuinfo
+    regexp: ".*Raspberry Pi.*"
+    state: absent
+  check_mode: true
+  register: raspberry_pi_check__cpuinfo
+  changed_when: false
+- name: Fail when not on Raspberry Pi  # noqa no-handler
+  when: not raspberry_pi_check__cpuinfo.found
+  ansible.builtin.fail:
+    msg: You are not running on Raspberry Pi hardware!