使用嵌套的 delegate_to 将文件从一台远程服务器复制到另一台远程服务器

问题描述

作为用户，我想将文件从 node1 复制到 node2.是否可以使用复制模块 + delegate_to

As a user I want to copy file from node1 to node2. Is it possible with copy module + delegate_to

下面是我试图做的.Playbook 从 node3 运行.

Below is what I was trying to do. Playbook is running from node3.

Playbook Sample

---
- name: Gather Facts for all hosts
  hosts: all
  gather_facts: true
  any_errors_fatal: true
  become: true

- name: Test
  hosts: all
  gather_facts: false
  any_errors_fatal: true
  become: true
  roles:
    - role: test

Role Sample

---
- block:
    - include_tasks: test.yml
      any_errors_fatal: true
      run_once: true

Task Sample

---
 - name: Test
   block:
    - name: Transfer files from node1 to node2
      copy:
        src: /tmp/a
        dest: /tmp/
      delegate_to: node2

  delegate_to: node1

推荐答案

简短的回答是否:您将无法使用 copy 模块执行此操作.

The short answer is no: you will not be able to do this with the copy module.

然而，您可能想看看 synchronize 模块

You might however want to have a look at the synchronize module

引用文档

可以使用 delegate_to 将本地主机"更改为不同的主机.这允许在两台远程主机之间或完全在一台远程机器上进行复制.

你基本上会得到类似的结果:

You would basically end up with something like:

---
- name: Rsync some files
  hosts: my_target_host

  tasks:
    - name: copy my file
      synchronize:
        src: path/on/source/host
        dest: path/on/dest/host
      delegate_to: my_source_host

编辑我刚刚发现 这篇文章 引用了 synchronize 以及 fetch/copy 方法，你可能想看看.

Edit I just found this article referencing synchronize as well as the fetch/copy method that you might want to look at.

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