Use Ansible 2.7 to run.

update_artifactory.yml

---
- name: Update artifactory ZIP distribution
  hosts: all
  become: false
  vars:
    target_version: 6.3.2
    # target_versions_path: [ 6.3.8, 6.4.3, 6.5.18, 6.6.10, 6.7.7, 6.8.16, 6.9.5, 6.10.7, 6.11.3]
    target_directory: /home/vagrant/artifactory
    backup_directory: /home/vagrant/backup
    temp_directory: /tmp
    items_to_delete:
      - webapps
      - tomcat
      - bin
      - misc
  tasks:
    - name: download artifactory
      unarchive:
        src: "https://jfrog.bintray.com/artifactory-pro/org/artifactory/pro/jfrog-artifactory-pro/{{ target_version }}/jfrog-artifactory-pro-{{ target_version }}.zip"
        dest: "{{ temp_directory }}"
        remote_src: true
    - name: ensure backup folder exists
      file:
        path: "{{ backup_directory }}"
        state: directory

    - name: ensure artifactory folder exists
      stat: 
        path: "{{ target_directory }}"
      register: target_present

    - name: backup files from source
      copy: 
        src: "{{ target_directory }}"
        dest: "{{ backup_directory }}"
        force: true
        remote_src: true
      when: target_present.stat.exists

    - name: delete from installation
      file:
        path: "{{ target_directory }}/{{ item }}"
        state: absent
      with_items: "{{ items_to_delete }}"

    - name: restore from new release
      copy:
        src: "{{ temp_directory }}/artifactory-pro-{{target_version}}/{{ item }}"
        dest: "{{ target_directory }}"
        remote_src: true
      with_items: "{{ items_to_delete }}"

    - name: copy server.xml
      copy:
        src: "{{ backup_directory }}/artifactory/tomcat/conf/server.xml"
        dest: "{{ target_directory }}/tomcat/conf/server.xml"
        force: true
        remote_src: true