Give the user the possibility to deactivate dependency check

roles/meta_dependency_check/defaults/main.yml

@@ -0,0 +1,3 @@
+---
+controller_dependency_check: true
+...

roles/meta_dependency_check/tasks/main.yml

@@ -1,23 +1,33 @@
 ---
 # tasks file for meta_dependency_check
 
-- name: Check awx.awx is installed
-  ansible.builtin.command: ansible-galaxy collection verify awx.awx
-  failed_when: false
-  changed_when: false
-  register: upstream_dep
+- name: Print dependency check status
+  ansible.builtin.debug:
+    msg: "{{ controller_dependency_check | bool | ternary(__depdency_check_active_msg, __depdency_check_inactive_msg) }}"
+  vars:
+    __depdency_check_active_msg: 'Dependency check is active. Required collections presence will be verified.'
+    __depdency_check_inactive_msg: 'Dependency check is deactivated. Required collections presence will not be verified. This might cause failure in the next tasks.'
 
-- name: Check ansible.controller is installed
-  ansible.builtin.command: ansible-galaxy collection verify ansible.controller
-  failed_when: false
-  changed_when: false
-  register: downstream_dep
+- name: Dependency check block
+  when: controller_dependency_check | bool
+  block:
+    - name: Check awx.awx is installed
+      ansible.builtin.command: ansible-galaxy collection verify awx.awx
+      failed_when: false
+      changed_when: false
+      register: upstream_dep
 
-- name: Ensure one is installed
-  ansible.builtin.fail:
-    msg: One of awx.awx or ansible.controller must be installed
-  when:
-    - "'ERROR!' in upstream_dep.stderr"
-    - "'ERROR!' in downstream_dep.stderr"
+    - name: Check ansible.controller is installed
+      ansible.builtin.command: ansible-galaxy collection verify ansible.controller
+      failed_when: false
+      changed_when: false
+      register: downstream_dep
+
+    - name: Ensure one is installed
+      ansible.builtin.fail:
+        msg: One of awx.awx or ansible.controller must be installed
+      when:
+        - "'ERROR!' in upstream_dep.stderr"
+        - "'ERROR!' in downstream_dep.stderr"
 
 ...