Sample Ansible playbook that uses Windows hostname for creating file and running command

build_config_template.j2

var1: {{ var1 }}
var2: {{ ansible_hostname }}

EXEC_CMD.md

ansible-playbook -vvvv -i hosts playbook.yml --extra-vars='ansible_user=ansible ansible_password=A****0+ ansible_connection=winrm ansible_winrm_server_cert_validation=ignore var1=value1'

hosts

[all]
40.71.194.145

playbook.yml

- hosts: all
  vars:
    var1:
    var2: "$env:COMPUTERNAME"
  tasks:
  - name: ping
    win_ping:
  - name: Create file using hostname
    win_template:
      src: build_config_template.j2
      dest: C:\build_config.txt
  - name: Run command using hostname
    win_shell: |
      Write-Output "hello from {{ var2 }}"