---
- name: Verify file existance and handle errors if needed
  hosts: all
  gather_facts: no
  become: no


  tasks:
  - name: Run file test
    block:
      - name: "Test #3 - induce failure (but only for a specified host)"
        command:
          cmd: cat /tmp/hello-ansible.txt
        register: r_check_file


    rescue:
      - name: Exception caught!
        debug:
          msg:
            - "host   : {{ inventory_hostname }}"
            - "rc     : {{ r_check_file.rc }}"
            - "stdout : {{ r_check_file.stdout }}"
            - "stderr : {{ r_check_file.stderr }}"


    always:
      - name: Job complete
        debug:
          msg:
            - "host   : {{ inventory_hostname }}"
            - "rc     : {{ r_check_file.rc }}"
            - "stdout : {{ r_check_file.stdout }}"
            - "stderr : {{ r_check_file.stderr }}"


...