upgrade.yml

# start backup process
- name: backup current configuration save to /tmp
  shell:
    cmd: "sysupgrade -b /tmp/{{inventory_hostname}}_{{ansible_host}}_{{firmware_version}}.tar.gz"
  register: sysbackup
  timeout: 30

- name: fetch backup file from host to /tmp
  fetch:
    src: "/tmp/{{inventory_hostname}}_{{ansible_host}}_{{firmware_version}}.tar.gz"
    dest: "/tmp/"
    flat: yes
  timeout: 600
  when: sysbackup.changed

- name: add {{ docker_host.name }} to inventory
  add_host: "{{ docker_host }}"
  run_once: true
  changed_when: false
  
- name: copy backup file to {{ docker_host.name }}:/etc/ansible/backups
  copy:
    src: "/tmp/{{inventory_hostname}}_{{ansible_host}}_{{firmware_version}}.tar.gz"
    dest: "/etc/ansible/backups/"
  timeout: 600
  delegate_to: "{{ docker_host.name }}"
  register: backup_copy

# start firmware upgrade process
- name: copy {{ task_firmware }} firmware to device
  copy:
    src: "{{playbook_dir}}/files/firmware/{{ task_firmware }}.bin"
    dest: /tmp/{{ task_firmware }}.bin
  timeout: 600
  when: backup_copy is success

- name: start {{ task_firmware }} sysupgrade and wait for reboot
  shell: |
    sysupgrade /tmp/{{ task_firmware }}.bin &> /tmp/sysupgrade_output &
    while true; do
      if grep -i "upgrade" /tmp/sysupgrade_output; then
        exit 0
      fi
    done
  register: sysupgrade
  timeout: 60

- name: wait for host to become reachable
  wait_for_connection:
    delay: 90
  register: wait_for_connection
  until: wait_for_connection.unreachable is not defined
  retries: 7
  when: sysupgrade.changed

- name: get current firmware version
  slurp:
    src: /etc/version
  register: version
  timeout: 30

- set_fact:
    previous_version: "{{ firmware_version }}"
    firmware_version: "{{ version['content'] | b64decode | regex_replace('\n', '') }}"

- name: confirm upgrade
  debug:
    msg: "firmware on host {{ ansible_host }} successfully upgraded from {{ previous_version }} ---> {{ firmware_version }}, proceeding to {% if firmware_version in target %}package installation{% else %}upgrade to {{ target[0] }}{% endif %}"