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dc531b183d* ModuleHelper - lax handling of conflicting output * add changelog fragment * only create _var when really needed * adjust changelog * Update changelogs/fragments/5765-mh-lax-output-conflict.yml Co-authored-by: Felix Fontein <felix@fontein.de> Co-authored-by: Felix Fontein <felix@fontein.de>
101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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# (c) 2020, Alexei Znamensky <russoz@gmail.com>
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# Copyright (c) 2020, Ansible Project
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# Simplified BSD License (see LICENSES/BSD-2-Clause.txt or https://opensource.org/licenses/BSD-2-Clause)
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# SPDX-License-Identifier: BSD-2-Clause
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import traceback
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from functools import wraps
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from ansible_collections.community.general.plugins.module_utils.mh.exceptions import ModuleHelperException
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def cause_changes(on_success=None, on_failure=None):
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def deco(func):
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if on_success is None and on_failure is None:
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return func
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@wraps(func)
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def wrapper(*args, **kwargs):
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try:
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self = args[0]
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func(*args, **kwargs)
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if on_success is not None:
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self.changed = on_success
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except Exception:
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if on_failure is not None:
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self.changed = on_failure
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raise
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return wrapper
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return deco
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def module_fails_on_exception(func):
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conflict_list = ('msg', 'exception', 'output', 'vars', 'changed')
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@wraps(func)
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def wrapper(self, *args, **kwargs):
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def fix_var_conflicts(output):
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result = dict([
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(k if k not in conflict_list else "_" + k, v)
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for k, v in output.items()
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])
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return result
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try:
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func(self, *args, **kwargs)
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except SystemExit:
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raise
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except ModuleHelperException as e:
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if e.update_output:
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self.update_output(e.update_output)
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# patchy solution to resolve conflict with output variables
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output = fix_var_conflicts(self.output)
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self.module.fail_json(msg=e.msg, exception=traceback.format_exc(),
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output=self.output, vars=self.vars.output(), **output)
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except Exception as e:
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# patchy solution to resolve conflict with output variables
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output = fix_var_conflicts(self.output)
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msg = "Module failed with exception: {0}".format(str(e).strip())
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self.module.fail_json(msg=msg, exception=traceback.format_exc(),
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output=self.output, vars=self.vars.output(), **output)
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return wrapper
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def check_mode_skip(func):
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@wraps(func)
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def wrapper(self, *args, **kwargs):
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if not self.module.check_mode:
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return func(self, *args, **kwargs)
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return wrapper
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def check_mode_skip_returns(callable=None, value=None):
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def deco(func):
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if callable is not None:
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@wraps(func)
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def wrapper_callable(self, *args, **kwargs):
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if self.module.check_mode:
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return callable(self, *args, **kwargs)
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return func(self, *args, **kwargs)
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return wrapper_callable
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if value is not None:
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@wraps(func)
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def wrapper_value(self, *args, **kwargs):
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if self.module.check_mode:
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return value
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return func(self, *args, **kwargs)
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return wrapper_value
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if callable is None and value is None:
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return check_mode_skip
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return deco
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