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Filename : include_role.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-

# Copyright: Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type

ANSIBLE_METADATA = {
    'metadata_version': '1.1',
    'status': ['stableinterface'],
    'supported_by': 'core'
}

DOCUMENTATION = r'''
---
author: Ansible Core Team (@ansible)
module: include_role
short_description: Load and execute a role
description:
  - Dynamically loads and executes a specified role as a task.
  - May be used only where Ansible tasks are allowed - inside C(pre_tasks), C(tasks), or C(post_tasks) playbook objects, or as a task inside a role.
  - Task-level keywords, loops, and conditionals apply only to the C(include_role) statement itself.
  - To apply keywords to the tasks within the role, pass them using the C(apply) option or use M(import_role) instead.
  - Ignores some keywords, like C(until) and C(retries).
  - This module is also supported for Windows targets.
version_added: "2.2"
options:
  apply:
    description:
      - Accepts a hash of task keywords (e.g. C(tags), C(become)) that will be applied to all tasks within the included role.
    version_added: '2.7'
  name:
    description:
      - The name of the role to be executed.
    type: str
    required: True
  tasks_from:
    description:
      - File to load from a role's C(tasks/) directory.
    type: str
    default: main
  vars_from:
    description:
      - File to load from a role's C(vars/) directory.
    type: str
    default: main
  defaults_from:
    description:
      - File to load from a role's C(defaults/) directory.
    type: str
    default: main
  allow_duplicates:
    description:
      - Overrides the role's metadata setting to allow using a role more than once with the same parameters.
    type: bool
    default: yes
  public:
    description:
      - This option dictates whether the role's C(vars) and C(defaults) are exposed to the playbook. If set to C(yes)
        the variables will be available to tasks following the C(include_role) task. This functionality differs from
        standard variable exposure for roles listed under the C(roles) header or C(import_role) as they are exposed at
        playbook parsing time, and available to earlier roles and tasks as well.
    type: bool
    default: no
    version_added: '2.7'
  handlers_from:
    description:
      - File to load from a role's C(handlers/) directory.
    type: str
    default: main
    version_added: '2.8'
notes:
  - Handlers are made available to the whole play.
  - Before Ansible 2.4, as with C(include), this task could be static or dynamic, If static, it implied that it won't
    need templating, loops or conditionals and will show included tasks in the C(--list) options. Ansible would try to
    autodetect what is needed, but you can set C(static) to C(yes) or C(no) at task level to control this.
  - After Ansible 2.4, you can use M(import_role) for C(static) behaviour and this action for C(dynamic) one.
seealso:
- module: import_playbook
- module: import_role
- module: import_tasks
- module: include_tasks
- ref: playbooks_reuse_includes
  description: More information related to including and importing playbooks, roles and tasks.
'''

EXAMPLES = r'''
- include_role:
    name: myrole

- name: Run tasks/other.yaml instead of 'main'
  include_role:
    name: myrole
    tasks_from: other

- name: Pass variables to role
  include_role:
    name: myrole
  vars:
    rolevar1: value from task

- name: Use role in loop
  include_role:
    name: '{{ roleinputvar }}'
  loop:
    - '{{ roleinput1 }}'
    - '{{ roleinput2 }}'
  loop_control:
    loop_var: roleinputvar

- name: Conditional role
  include_role:
    name: myrole
  when: not idontwanttorun

- name: Apply tags to tasks within included file
  include_role:
    name: install
    apply:
      tags:
        - install
  tags:
    - always
'''

RETURN = r'''
# This module does not return anything except tasks to execute.
'''