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如何使用 ansible 的 ipmi_power 模块？

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如何使用 ansible 的 ipmi_power 模块？

我正在尝试使用 ansible 来关闭机器的电源ipmi_电源模块。

文档说你需要皮格米人安装在您执行剧本的主机上，并且我已确认我拥有 python 2 和 3 的模块。

[userg@box ~]$ python3
Python 3.6.8 (default, Apr  2 2020, 13:34:55)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyghmi.ipmi
>>> quit()

[user@box ~]$ python
Python 2.7.5 (default, Apr  2 2020, 13:16:51)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyghmi.ipmi
>>> quit()

我有一个名为的角色power_cycle，它的定义如下：

---
- name: "powering down {{ ansible_hostname }}"
  ipmi_power:
    name: "{{ ansible_hostname }}"
    user: "{{ ipmi_user }}"
    password: "{{ ipmi_password }}"
    state: off

我有一个调用该角色的剧本，它看起来像这样：

---
- name: power cycle
  hosts: boxes

  roles:
    - power_cycle

当我运行剧本时，收到一条错误消息：

$ ansible-playbook --limit target_box playbooks/power_cycle.yml

PLAY [power cycle]********************************************************************************

TASK [Gathering Facts] ***************************************************************************
ok: [target_box]

TASK [power_cycle : powering down target_box]*****************************************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: ImportError: No module named pyghmi.ipmi
fatal: [target_box]: FAILED! => changed=false 
  exception: |-
    Traceback (most recent call last):
      File "/tmp/ansible_ipmi_power_payload_skn3T3/ansible_ipmi_power_payload.zip/ansible/modules/remote_management/ipmi/ipmi_power.py", line 81, in <module>
    ImportError: No module named pyghmi.ipmi
    msg: Failed to import the required Python library (pyghmi) on target_box's Python 
    /usr/bin/python. Please read module documentation and install in the appropriate location. If the 
    required library is installed, but Ansible is using the wrong Python interpreter, please consult 
    the documentation on ansible_python_interpreter

PLAY RECAP***************************************************************************************
target_box : ok=1    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0

错误消息似乎暗示我必须在pyghmi尝试通过 IPMI 管理的机器上安装。这似乎与ipmi_power模块的文档相矛盾。

我究竟做错了什么？

答案1

我深入研究了 ansible 的 github 上的问题。

我发现一个问题ipmi_电源其中有一个如何使用它的示例。您需要delegate_to在任务上使用该属性来确保它在本地运行。

将我的角色定义更改为以下有效：

---
- name: "powering down {{ ansible_hostname }}"
  ipmi_power:
    name: "{{ ansible_hostname }}"
    user: "{{ ipmi_user }}"
    password: "{{ ipmi_password }}"
    state: off
  delegate_to: localhost

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