cosmos_horcrux_upgrade.yml

---
- name: Upgrade Horcrux binary and restart all horcrux services running on target machine
  gather_facts: true
  hosts: "{{ target }}"
  any_errors_fatal: true

  #
  # On one of the target machines, can view the list of leaders nodes by:
  # for dir in *; do horcrux leader --home "/home/rhino/.horcrux/$dir"; done
  #
  # To set the leader of the each horcrux raft, use:
  # for dir in *; do horcrux elect <node#> --home "/home/rhino/.horcrux/$dir"; done
  #

  pre_tasks:
    - name: Get list of all horcrux services on target
      become: true
      ansible.builtin.find:
        paths: "/etc/systemd/system"
        patterns: "horcrux_*.service"
        file_type: file
      register: horcrux_services

    - name: Assert that horcrux services are present on target
      ansible.builtin.assert:
        that:
          - horcrux_services['files'] is defined
          - horcrux_services['files'] | length > 0
        fail_msg: "No horcrux services found on target machine!"

  roles:
    - util_go_install
    - cosmos_horcrux_install

  post_tasks:
    - name: Restart all horcrux services on target
      become: true
      ansible.builtin.service:
        name: "{{ item.path | basename }}"
        state: restarted
        enabled: true
      with_items:
        - "{{ horcrux_services['files'] }}"
      loop_control:
        pause: 15