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#!/usr/bin/python
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# I am an Ansible new-style Python module. I return details about the Python
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# interpreter I run within.
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.basic import get_module_path
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from ansible.module_utils import six
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import os
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import pwd
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import socket
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import sys
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def main():
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module = AnsibleModule(argument_spec={})
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module.exit_json(
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python_version=sys.version[:3],
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argv=sys.argv,
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issue #199: ansible: stop writing temp files for new style modules
While adding support for non-new style module types, NewStyleRunner
began writing modules to a temporary file, and sys.argv was patched to
actually include the script filename. The argv change was never required
to fix any particular bug, and a search of the standard modules reveals
no argv users. Update argv[0] to be '', like an interactive interpreter
would have.
While fixing #210, new style runner began setting __file__ to the
temporary file path in order to allow apt.py to discover the Ansiballz
temporary directory. 5 out of 1,516 standard modules follow this
pattern, but in each case, none actually attempt to access __file__,
they just call dirname on it. Therefore do not write the contents of
file, simply set it to the path as it would exist, within a real
temporary directory.
Finally move temporary directory creation out of runner and into target.
Now a single directory exists for the duration of a run, and is emptied
by runner.py as necessary after each task invocation.
This could be further extended to stop rewriting non-new-style modules
in a with_items loop, but that's another step.
Finally the last bullet point in the documentation almost isn't a lie
again.
7 years ago
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__file__=__file__,
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argv_types_correct=all(type(s) is str for s in sys.argv),
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env=dict(os.environ),
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cwd=os.getcwd(),
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python_path=sys.path,
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pid=os.getpid(),
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ppid=os.getppid(),
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uid=os.getuid(),
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euid=os.geteuid(),
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sys_executable=sys.executable,
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mitogen_loaded='mitogen.core' in sys.modules,
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hostname=socket.gethostname(),
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username=pwd.getpwuid(os.getuid()).pw_name,
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module_tmpdir=getattr(module, 'tmpdir', None),
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module_path=get_module_path(),
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)
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if __name__ == '__main__':
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main()
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