- hosts: testhost,testhost2
  gather_facts: false
  any_errors_fatal: true
  tasks:
    - block:
        - fail:
          when: inventory_hostname == "testhost"
        - name: any_errors_fatal fails all hosts when any of them fails
          debug:
            msg: SHOULD NOT HAPPEN
      rescue:
        - name: Rescues both hosts
          debug:
            msg: rescue
    - name: You can recover from fatal errors by adding a rescue section to the block.
      debug:
        msg: recovered