ansible/test/sanity/validate-modules/module_args.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2016 Matt Martz <matt@sivel.net>
# Copyright (C) 2016 Rackspace US, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import imp
import json
import os
import subprocess
import sys
from contextlib import contextmanager
from ansible.module_utils.six import reraise
from utils import find_executable
class AnsibleModuleCallError(RuntimeError):
pass
class AnsibleModuleImportError(ImportError):
pass
class _FakeAnsibleModuleInit:
def __init__(self):
self.args = tuple()
self.kwargs = {}
self.called = False
def __call__(self, *args, **kwargs):
self.args = args
self.kwargs = kwargs
self.called = True
raise AnsibleModuleCallError('AnsibleModuleCallError')
def _fake_load_params():
pass
@contextmanager
def setup_env(filename):
# Used to clean up imports later
pre_sys_modules = list(sys.modules.keys())
fake = _FakeAnsibleModuleInit()
module = __import__('ansible.module_utils.basic').module_utils.basic
_original_init = module.AnsibleModule.__init__
_original_load_params = module._load_params
setattr(module.AnsibleModule, '__init__', fake)
setattr(module, '_load_params', _fake_load_params)
try:
yield fake
finally:
setattr(module.AnsibleModule, '__init__', _original_init)
setattr(module, '_load_params', _original_load_params)
# Clean up imports to prevent issues with mutable data being used in modules
for k in list(sys.modules.keys()):
# It's faster if we limit to items in ansible.module_utils
# But if this causes problems later, we should remove it
if k not in pre_sys_modules and k.startswith('ansible.module_utils.'):
del sys.modules[k]
def get_ps_argument_spec(filename):
# This uses a very small skeleton of Ansible.Basic.AnsibleModule to return the argspec defined by the module. This
# is pretty rudimentary and will probably require something better going forward.
pwsh = find_executable('pwsh')
if not pwsh:
raise FileNotFoundError('Required program for PowerShell arg spec inspection "pwsh" not found.')
script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'ps_argspec.ps1')
proc = subprocess.Popen([script_path, filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=False)
stdout, stderr = proc.communicate()
if proc.returncode != 0:
raise AnsibleModuleImportError(stderr.decode('utf-8'))
kwargs = json.loads(stdout)
# the validate-modules code expects the options spec to be under the argument_spec key not options as set in PS
kwargs['argument_spec'] = kwargs.pop('options', {})
return kwargs['argument_spec'], (), kwargs
def get_py_argument_spec(filename):
with setup_env(filename) as fake:
try:
# We use ``module`` here instead of ``__main__``
# which helps with some import issues in this tool
# where modules may import things that conflict
mod = imp.load_source('module', filename)
if not fake.called:
mod.main()
except AnsibleModuleCallError:
pass
except Exception as e:
reraise(AnsibleModuleImportError, AnsibleModuleImportError('%s' % e), sys.exc_info()[2])
try:
try:
# for ping kwargs == {'argument_spec':{'data':{'type':'str','default':'pong'}}, 'supports_check_mode':True}
return fake.kwargs['argument_spec'], fake.args, fake.kwargs
except KeyError:
return fake.args[0], fake.args, fake.kwargs
except TypeError:
return {}, (), {}
def get_argument_spec(filename):
if filename.endswith('.py'):
return get_py_argument_spec(filename)
else:
return get_ps_argument_spec(filename)