ESXi single clone vm sample playbook(ref: http://ur2.link/vIFg)

clone_vm.yml

---
- name: ESXi single clone vm demo
  hosts: all
  gather_facts: no
  vars:
    vm_password: !vault |
              $ANSIBLE_VAULT;1.1;AES256
              (snip)
  tasks:
    - name: Get datastore infomation
      vmware_datastore_facts:
        hostname: "{{ vm_hostname }}"
        username: "{{ vm_username }}"
        password: "{{ vm_password }}"
        validate_certs: no
        datacenter: ha-datacenter
      delegate_to: localhost
      register: datastore_result

    - name: Set datastore path variable
      set_fact:
        datastore_path: "{{ item.url }}"
      loop: "{{ datastore_result.datastores }}"
      when: item.name == datastore

    - block:
      - name: Create a directory to store virtual machines
        file:
          path: "{{ datastore_path }}/{{ item.name }}"
          state: directory
        loop: "{{ clone_vms }}"

      - name: Copy vmdk file(Multiple file support)
        shell: >-
               for vmdk in $(find {{ datastore_path }}/{{ source_vm }} -name "*.vmdk" | grep -v flat | awk -F / '{print $(NF)}') ; do
                   rename_vmdk=`echo $vmdk | sed -e "s/{{ source_vm}}\(.*\)/{{ item.name }}\1/g"`
                   vmkfstools -i {{ datastore_path }}/{{ source_vm }}/$vmdk -d {{ disk_type }} {{ datastore_path }}/{{ item.name }}/$rename_vmdk
               done
        loop: "{{ clone_vms }}"

      - name: Copy vmx file
        copy:
          src: "{{ datastore_path }}/{{ source_vm }}/{{ source_vm }}.vmx"
          dest: "{{ datastore_path }}/{{ item.name }}/{{ item.name }}.vmx"
          remote_src: yes
        loop: "{{ clone_vms }}"

      - name: Replace vmx file parameter
        replace:
          path: "{{ datastore_path }}/{{ item.name }}/{{ item.name }}.vmx"
          regexp: "{{ source_vm }}(\\.vmdk|\\.nvram|\"$)"
          replace: "{{ item.name }}\\1"
        loop: "{{ clone_vms }}"

      - name: Register VM to inventory
        vmware_guest_register_operation:
          hostname: "{{ vm_hostname }}"
          username: "{{ vm_username }}"
          password: "{{ vm_password }}"
          validate_certs: no
          esxi_hostname: "{{ esxi_hostname }}"
          name: "{{ item.name }}"
          path: "[NFS] {{ item.name }}/{{ item.name }}.vmx"
          state: present
        delegate_to: localhost
        loop: "{{ clone_vms }}"

      - name: VM power operation
        vmware_guest_powered_on_operation_question:
          hostname: "{{ vm_hostname }}"
          username: "{{ vm_username }}"
          password: "{{ vm_password }}"
          validate_certs: no
          name: "{{ item.name }}"
          state: poweredon
        delegate_to: localhost
        loop: "{{ clone_vms }}"

      when: datastore_path is defined