如何通过Ansible安装NVS

Question

我正在尝试通过Ansible安装NVS，但没有太多的运气。在instructions on the repo之后，我似乎应该首先确保设置NVS_HOME环境变量，然后克隆存储库，然后运行安装程序。

因此，下面是我如何在我的剧本中设置它的：

- hosts: all
  remote_user: "{{ new_user }}"
  gather_facts: true
  environment:
    NVS_HOME: ~/.nvs

  tasks:
    - name: See if NVS is already installed
      lineinfile:
        path: ~/.zshrc
        line: export NVS_HOME="$HOME/.nvs"
        state: present
      check_mode: true
      register: zshrc

    - name: Clone the NVS repo
      git:
        repo: https://github.com/jasongin/nvs
        dest: "$NVS_HOME"
        version: v1.6.0
      ignore_errors: true
      when: (zshrc is changed) or (zshrc is failed)

    - name: Ensure NVS is installed
      shell: ". \"$NVS_HOME/nvs.sh\" install"
      when: (zshrc is changed) or (zshrc is failed)

这样，它首先检查是否安装了NVS，如果安装了NVS，则不会处理以下两个任务。克隆不是问题，因此剩下安装的最后一步。

当Ansible到达最后一个任务时，它会输出一个错误。下面是Ansible调试器的任务结果：

[localhost] TASK: Ensure NVS is installed (debug)> p result._result

{'_ansible_no_log': False,
 '_ansible_parsed': True,
 'changed': True,
 'cmd': '. "$NVS_HOME/nvs.sh" install',
 'delta': '0:00:00.002482',
 'end': '2020-11-24 12:53:52.983307',
 'failed': True,
 'invocation': {'module_args': {'_raw_params': '. "$NVS_HOME/nvs.sh" install',
                                '_uses_shell': True,
                                'argv': None,
                                'chdir': None,
                                'creates': None,
                                'executable': None,
                                'removes': None,
                                'stdin': None,
                                'stdin_add_newline': True,
                                'strip_empty_ends': True,
                                'warn': True}},
 'msg': 'non-zero return code',
 'rc': 127,
 'start': '2020-11-24 12:53:52.980825',
 'stderr': "/bin/sh: 1: .: Can't open ~/.nvs/nvs.sh",
 'stderr_lines': ["/bin/sh: 1: .: Can't open ~/.nvs/nvs.sh"],
 'stdout': '',
 'stdout_lines': []}

所以我不知道现在该怎么做。有什么想法吗？

Answer 1

问题出在你的dest: "$NVS_HOME" in git任务上。我建议声明一个变量并在您的环境和任务中使用它

- hosts: all
  remote_user: "{{ new_user }}"
  gather_facts: true
  vars:
      nvs_home: "~/.nvs"
  environment:
     NVS_HOME: "{{ nvs_home }}"

在你的git任务中：

- name: Clone the NVS repo
  git:
    repo: https://github.com/jasongin/nvs
    dest: "{{ nvs_home }}"
    version: v1.6.0
  ignore_errors: true
  when: (zshrc is changed) or (zshrc is failed)