Question

ansible-playbook给出了如下错误：

fatal: [test.example.com]: FAILED! => {"changed": false, "cmd": "./manage.py migrate --noinput
--pythonpath=/srv/virtualenv/myapp/bin/python3", "failed": true, "msg": "\n:stderr: Traceback (most recent call last):\n  File \"./manage.py\", line 10, in <module>\n    execute_from_command_line(sys.argv)\n  File \"/srv/virtualenv/myapp/lib/python3.5/site-packages/django/core/management/__init__.py\", line 354, in execute_from_command_line\n    utility.execute()\n  File \"/srv/virtualenv/myapp/lib/python3.5/site-packages/django/core/management/__init__.py\", line 303, in execute\n    settings.INSTALLED_APPS\n  File \"/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py\", line 48, in __getattr__\n    self._setup(name)\n  File \"/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py\", line 44, in _setup\n    self._wrapped = Settings(settings_module)\n  File \"/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py\", line 92, in __init__\n    mod = importlib.import_module(self.SETTINGS_MODULE)\n  File \"/srv/virtualenv/myapp/lib/python3.5/importlib/__init__.py\", line 126, in import_module\n    return _bootstrap._gcd_import(name[level:], package, level)\n  File \"<frozen importlib._bootstrap>\", line 986, in _gcd_import\n  File \"<frozen importlib._bootstrap>\", line 969, in
_find_and_load\n  File \"<frozen importlib._bootstrap>\", line 956, in _find_and_load_unlocked\nImportError: No module named 'myapp.settings'\n", "path": "/srv/virtualenv/myapp/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "state": "absent", "syspath": ["/tmp/ansible_OoxaWI", "/tmp/ansible_OoxaWI/ansible_modlib.zip", "/usr/lib/python2.7", "/usr/lib/python2.7/plat-x86_64-linux-gnu", "/usr/lib/python2.7/lib-tk", "/usr/lib/python2.7/lib-old", "/usr/lib/python2.7/lib-dynload", "/usr/local/lib/python2.7/dist-packages", "/usr/lib/python2.7/dist-packages"]}

当然我可以将其复制并粘贴到ipython中以获得更实用的观点，即

fatal: [test.example.com]: FAILED! => {"changed": false, "cmd": "./manage.py migrate --noinput --pythonpath=/srv/virtualenv/myapp/bin/python3", "failed": true, "msg": "
:stderr: Traceback (most recent call last):
  File "./manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/srv/virtualenv/myapp/lib/python3.5/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
    utility.execute()
  File "/srv/virtualenv/myapp/lib/python3.5/site-packages/django/core/management/__init__.py", line 303, in execute
    settings.INSTALLED_APPS
  File "/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py", line 48, in __getattr__
    self._setup(name)
  File "/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py", line 44, in _setup
    self._wrapped = Settings(settings_module)
  File "/srv/virtualenv/myapp/lib/python3.5/site-packages/django/conf/__init__.py", line 92, in __init__
    mod = importlib.import_module(self.SETTINGS_MODULE)
  File "/srv/virtualenv/myapp/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 956, in _find_and_load_unlocked
ImportError: No module named 'myapp.settings'
", "path": "/srv/virtualenv/myapp/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "state": "absent", "syspath": ["/tmp/ansible_OoxaWI", "/tmp/ansible_OoxaWI/ansible_modlib.zip", "/usr/lib/python2.7", "/usr/lib/python2.7/plat-x86_64-linux-gnu", "/usr/lib/python2.7/lib-tk", "/usr/lib/python2.7/lib-old", "/usr/lib/python2.7/lib-dynload", "/usr/local/lib/python2.7/dist-packages", "/usr/lib/python2.7/dist-packages"]}

但我希望ansible为我这样做。我怎么能这样做？

这是相关的，但看起来不像我的问题的解决方案：Ansible playbook shell output

Answer 1

增加冗长度。在ansible-playbook命令的末尾添加-vvvv。它会将详细程度设置为4，并且大部分时间内的日志都很好。

Answer 2

Ansible允许您使用callback plugins控制其输出，并提供一些可选的回调out of the box。

要配置它们，只需在ansible.cfg中设置callback_plugs option：

callback_plugins = ~/.ansible/plugins/callback:/usr/share/ansible/plugins/callback

要让Ansible打印换行符而不是将其渲染为\n，您可以开发自己的回调，或者只使用human_log开发的Cliffano Subagio回调插件。

对于Ansible 2兼容性（插件系统在Ansible 1.x的版本升级中重写），等效内容由n0ts编写。

如何从ansible-playbook获取更多可用的错误消息？

2 个答案: