使用Ansible的流氓配置失败

Question

我正在尝试使用Vagrant和Ansible来配置Ubuntu.我正在处理这篇文章并点击下面显示的错误.

________________________
< TASK [Gathering Facts] >
------------------------
       \   ^__^
        \  (oo)\_______
           (__)\       )\/\
               ||----w |
               ||     ||

fatal: [default]: FAILED! => {"changed": false, "failed": true, "module_stderr": "Shared connection to 127.0.0.1 closed.\r\n", "module_stdout": "/bin/sh: 1: /usr/bin/python: not found\r\n", "msg": "MODULE FAILURE", "rc": 0}
 to retry, use: --limit @/Users/tomoya/vagrant-project/playbook.retry
____________
< PLAY RECAP >
------------
       \   ^__^
        \  (oo)\_______
           (__)\       )\/\
               ||----w |
               ||     ||

default                    : ok=0    changed=0    unreachable=0    failed=1

Ansible failed to complete successfully. Any error output should be
visible above. Please fix these errors and try again.

---

我的目录结构是:

vagrant-project
??? Vagrantfile
??? playbook.yml

---

Vagrantfile 包含:

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  config.vm.network "forwarded_port", guest: 80, host: 8080
  config.vm.provision :ansible do |ansible|
    ansible.playbook = "playbook.yml"
  end
end

---

playbook.yml 包含:

---
- hosts: all
  sudo: true
  tasks:
    - name: update apt cache
      apt: update_cache=yes
    - name: install apache
      apt: name=apache2 state=present
    - name: install mysql
      apt: name=mysql-server state=present
    - name: install php
      apt: name=php5 state=present

---

我正在使用:

• 流浪汉1.9.4
• VirtualBox 5.1.22
• Ansible 2.3.0.0

---

它们几乎与文章中显示的代码相同.你能告诉我有什么问题吗？我怎样才能成功配置它？

谢谢.

Answer 1

正如Konstantin Suvorov所说,这可能与上述帖子重复.要回答你的问题,当ansible在远程主机上执行时,默认情况下它除了python在/ usr/bin/python中可用.但是在ubuntu 16.04 / usr/bin/python中不可用,只有/ usr/bin/python3或/usr/bin/python3.5可用.

我们可以通过两种方式解决这个问题,

1)在启动ansible任务之前,使用pre_tasks部分中的raw模块安装python2,这样/ usr/bin/python就可用了.然后剧本就会成为

---
- hosts: all
  sudo: true
  gather_facts: False

  pre_tasks:
    - raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal)
    - setup:

  tasks:
    - name: update apt cache
      apt: update_cache=yes
    - name: install apache
      apt: name=apache2 state=present
    - name: install mysql
      apt: name=mysql-server state=present
    - name: install php
      apt: name=php5 state=present

要么

2)使用ansible_python_interpeter变量指定python路径,在这种情况下,变形文件将变为

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  config.vm.network "forwarded_port", guest: 80, host: 8080
  config.vbguest.auto_update = false
  config.vm.provision :ansible do |ansible|
    ansible.playbook = "playbook.yml"
    ansible.extra_vars = {
        ansible_python_interpreter: "/usr/bin/python3.5",
    }
  end
end