- block:
    - name: Register with CheckMK Update Server
      shell: |
        cmk-update-agent register -H $(hostname -s) --user {{ cmk_username }} \
        --secret {{ cmk_secret }}
      changed_when: false
      notify: remove agent
      tags: cmk_register
  rescue:
    - name: Gather facts of packages
      package_facts:
        manager: "auto"
      tags: cmk_register

    - name: Ensure check_mk_agent installed (again)
      command: /usr/bin/yum install --nogpgcheck -y /tmp/check-mk-agent.rpm
      args:
        warn: no
      notify:
        - restart xinetd
        - ensure firewall open
      when: "'check-mk-agent' not in ansible_facts.packages"
      tags: cmk_register

    - name: Gather facts of packages (again)
      package_facts:
        manager: "auto"
      tags: cmk_register

    - name: Register with CheckMK Update Server (retry)
      shell: |
        cmk-update-agent register -H $(hostname -s) --user {{ cmk_username }} \
        --secret {{ cmk_secret }}
      changed_when: false
      when: "'check-mk-agent' in ansible_facts.packages"
      notify: remove agent
      tags: cmk_register