feat: Allow setup aide inside of cron job

Signed-off-by: Radovan Sroka <rsroka@redhat.com>

tests/tests_check_cron.yml

@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: MIT
+---
+- name: Ensure that the cron is set up
+  hosts: all
+  gather_facts: false  # test that role works in this case
+  roles:
+    - role: linux-system-roles.aide
+      vars:
+        aide_init: true
+        aide_cron_check: true
+        aide_cron_interval: "0 12 * * *"
+  tasks:
+    - name: Check file content
+      ansible.builtin.lineinfile:
+        path: /etc/crontab
+        regexp: "^0 12 \\* \\* \\* root /usr/bin/aide --check"
+        state: absent
+      check_mode: true
+      changed_when: false
+      vars:
+        __fingerprint: system_role:aide