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170 lines
6.3 KiB
Python
170 lines
6.3 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2016 Matt Martz <matt@sivel.net>
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# Copyright (C) 2016 Rackspace US, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import annotations
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import runpy
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import inspect
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import json
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import os
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import subprocess
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import sys
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from contextlib import contextmanager
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from ansible.executor.powershell.module_manifest import PSModuleDepFinder
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from ansible.module_utils.basic import FILE_COMMON_ARGUMENTS, AnsibleModule
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from ansible.module_utils.six import reraise
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from ansible.module_utils.common.text.converters import to_bytes, to_text
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from .utils import CaptureStd, find_executable, get_module_name_from_filename
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ANSIBLE_MODULE_CONSTRUCTOR_ARGS = tuple(list(inspect.signature(AnsibleModule.__init__).parameters)[1:])
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class AnsibleModuleCallError(RuntimeError):
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pass
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class AnsibleModuleImportError(ImportError):
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pass
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class AnsibleModuleNotInitialized(Exception):
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pass
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class _FakeAnsibleModuleInit:
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def __init__(self):
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self.args = tuple()
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self.kwargs = {}
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self.called = False
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def __call__(self, *args, **kwargs):
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if args and isinstance(args[0], AnsibleModule):
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# Make sure, due to creative calling, that we didn't end up with
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# ``self`` in ``args``
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self.args = args[1:]
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else:
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self.args = args
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self.kwargs = kwargs
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self.called = True
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raise AnsibleModuleCallError('AnsibleModuleCallError')
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def _fake_load_params():
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pass
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@contextmanager
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def setup_env(filename):
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# Used to clean up imports later
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pre_sys_modules = list(sys.modules.keys())
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fake = _FakeAnsibleModuleInit()
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module = __import__('ansible.module_utils.basic').module_utils.basic
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_original_init = module.AnsibleModule.__init__
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_original_load_params = module._load_params
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setattr(module.AnsibleModule, '__init__', fake)
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setattr(module, '_load_params', _fake_load_params)
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try:
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yield fake
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finally:
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setattr(module.AnsibleModule, '__init__', _original_init)
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setattr(module, '_load_params', _original_load_params)
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# Clean up imports to prevent issues with mutable data being used in modules
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for k in list(sys.modules.keys()):
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# It's faster if we limit to items in ansible.module_utils
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# But if this causes problems later, we should remove it
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if k not in pre_sys_modules and k.startswith('ansible.module_utils.'):
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del sys.modules[k]
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def get_ps_argument_spec(filename, collection):
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fqc_name = get_module_name_from_filename(filename, collection)
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pwsh = find_executable('pwsh')
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if not pwsh:
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raise FileNotFoundError('Required program for PowerShell arg spec inspection "pwsh" not found.')
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module_path = os.path.join(os.getcwd(), filename)
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b_module_path = to_bytes(module_path, errors='surrogate_or_strict')
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with open(b_module_path, mode='rb') as module_fd:
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b_module_data = module_fd.read()
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ps_dep_finder = PSModuleDepFinder()
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ps_dep_finder.scan_module(b_module_data, fqn=fqc_name)
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# For ps_argspec.ps1 to compile Ansible.Basic it also needs the AddType module_util.
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ps_dep_finder._add_module(name=b"Ansible.ModuleUtils.AddType", ext=".psm1", fqn=None, optional=False, wrapper=False)
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util_manifest = json.dumps({
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'module_path': to_text(module_path, errors='surrogate_or_strict'),
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'ansible_basic': ps_dep_finder.cs_utils_module["Ansible.Basic"]['path'],
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'ps_utils': {name: info['path'] for name, info in ps_dep_finder.ps_modules.items()}
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})
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script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'ps_argspec.ps1')
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proc = subprocess.run(['pwsh', script_path, util_manifest], stdin=subprocess.DEVNULL, capture_output=True, text=True, check=False)
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if proc.returncode != 0:
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raise AnsibleModuleImportError("STDOUT:\n%s\nSTDERR:\n%s" % (proc.stdout, proc.stderr))
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kwargs = json.loads(proc.stdout)
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# the validate-modules code expects the options spec to be under the argument_spec key not options as set in PS
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kwargs['argument_spec'] = kwargs.pop('options', {})
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return kwargs['argument_spec'], kwargs
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def get_py_argument_spec(filename, collection):
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name = get_module_name_from_filename(filename, collection)
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with setup_env(filename) as fake:
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try:
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with CaptureStd():
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runpy.run_module(name, run_name='__main__', alter_sys=True)
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except AnsibleModuleCallError:
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pass
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except BaseException as e:
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# we want to catch all exceptions here, including sys.exit
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reraise(AnsibleModuleImportError, AnsibleModuleImportError('%s' % e), sys.exc_info()[2])
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if not fake.called:
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raise AnsibleModuleNotInitialized()
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try:
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# Convert positional arguments to kwargs to make sure that all parameters are actually checked
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for arg, arg_name in zip(fake.args, ANSIBLE_MODULE_CONSTRUCTOR_ARGS):
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fake.kwargs[arg_name] = arg
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# for ping kwargs == {'argument_spec':{'data':{'type':'str','default':'pong'}}, 'supports_check_mode':True}
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argument_spec = fake.kwargs.get('argument_spec') or {}
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# If add_file_common_args is truish, add options from FILE_COMMON_ARGUMENTS when not present.
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# This is the only modification to argument_spec done by AnsibleModule itself, and which is
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# not caught by setup_env's AnsibleModule replacement
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if fake.kwargs.get('add_file_common_args'):
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for k, v in FILE_COMMON_ARGUMENTS.items():
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if k not in argument_spec:
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argument_spec[k] = v
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return argument_spec, fake.kwargs
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except (TypeError, IndexError):
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return {}, {}
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