관리-도구

편집 파일: env.cpython-39.pyc

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    name: env
    author: Jan-Piet Mens (@jpmens) <jpmens(at)gmail.com>
    version_added: "0.9"
    short_description: Read the value of environment variables
    description:
      - Allows you to query the environment variables available on the
        controller when you invoked Ansible.
    options:
      _terms:
        description:
          - Environment variable or list of them to lookup the values for.
        required: True
      default:
        description: What return when the variable is undefined
        type: raw
        default: ''
        version_added: '2.13'
    notes:
        - You can pass the C(Undefined) object as C(default) to force an undefined error
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- name: Basic usage
  ansible.builtin.debug:
    msg: "'{{ lookup('ansible.builtin.env', 'HOME') }}' is the HOME environment variable."

- name: Before 2.13, how to set default value if the variable is not defined.
        This cannot distinguish between USR undefined and USR=''.
  ansible.builtin.debug:
    msg: "{{ lookup('ansible.builtin.env', 'USR')|default('nobody', True) }} is the user."

- name: Example how to set default value if the variable is not defined, ignores USR=''
  ansible.builtin.debug:
    msg: "{{ lookup('ansible.builtin.env', 'USR', default='nobody') }} is the user."

- name: Set default value to Undefined, if the variable is not defined
  ansible.builtin.debug:
    msg: "{{ lookup('ansible.builtin.env', 'USR', default=Undefined) }} is the user."

- name: Set default value to undef(), if the variable is not defined
  ansible.builtin.debug:
    msg: "{{ lookup('ansible.builtin.env', 'USR', default=undef()) }} is the user."
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  _list:
    description:
      - Values from the environment variables.
    type: list
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