问如果定义了SHELL (/bin/sh)环境变量，如何签入ansible

EN

- name: Get current user.
  set_fact:
    whoami: "{{ lookup('env','USER') }}"

- name: See if environment variable MYVAR is set
  shell: "env | grep '^MYVAR='"
  failed_when: 1 == 0
  register: result

- name: Get MYVAR or use 'DEFAULT'
  set_fact:
    myvar: "{% if result.rc == 0 %}{{ lookup('env','MYVAR') }}{% else %}DEFAULT{% endif %}"

- debug:
    var: ansible_env

- set_fact:
    env_var: <SOME ENV VAR TO CHECK FOR>
- debug:
    msg: "ENV {{ env_var }} is {{ ansible_env[env_var] is defined | ternary('defined', 'not defined') }}"

TASK [debug] ********************************************************************************************************
ok: [localhost] => {
    "msg": "ENV USER is defined"
}

TASK [debug] ********************************************************************************************************
ok: [localhost] => {
    "msg": "ENV USR is not defined"
}