mirror of
https://github.com/ansible-collections/community.general.git
synced 2025-10-26 13:56:09 -07:00
c4e2b73193* cmd_runner_fmt: refactor out to its own file * add new file to BOTMETA.yml * add changelog frag
246 lines
8.8 KiB
Python
246 lines
8.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright (c) 2022, Alexei Znamensky <russoz@gmail.com>
|
|
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
from __future__ import absolute_import, division, print_function
|
|
__metaclass__ = type
|
|
|
|
import os
|
|
|
|
from ansible.module_utils.common.collections import is_sequence
|
|
from ansible.module_utils.common.locale import get_best_parsable_locale
|
|
from ansible_collections.community.general.plugins.module_utils import cmd_runner_fmt
|
|
|
|
|
|
def _ensure_list(value):
|
|
return list(value) if is_sequence(value) else [value]
|
|
|
|
|
|
def _process_as_is(rc, out, err):
|
|
return rc, out, err
|
|
|
|
|
|
class CmdRunnerException(Exception):
|
|
pass
|
|
|
|
|
|
class MissingArgumentFormat(CmdRunnerException):
|
|
def __init__(self, arg, args_order, args_formats):
|
|
self.args_order = args_order
|
|
self.arg = arg
|
|
self.args_formats = args_formats
|
|
|
|
def __repr__(self):
|
|
return "MissingArgumentFormat({0!r}, {1!r}, {2!r})".format(
|
|
self.arg,
|
|
self.args_order,
|
|
self.args_formats,
|
|
)
|
|
|
|
def __str__(self):
|
|
return "Cannot find format for parameter {0} {1} in: {2}".format(
|
|
self.arg,
|
|
self.args_order,
|
|
self.args_formats,
|
|
)
|
|
|
|
|
|
class MissingArgumentValue(CmdRunnerException):
|
|
def __init__(self, args_order, arg):
|
|
self.args_order = args_order
|
|
self.arg = arg
|
|
|
|
def __repr__(self):
|
|
return "MissingArgumentValue({0!r}, {1!r})".format(
|
|
self.args_order,
|
|
self.arg,
|
|
)
|
|
|
|
def __str__(self):
|
|
return "Cannot find value for parameter {0} in {1}".format(
|
|
self.arg,
|
|
self.args_order,
|
|
)
|
|
|
|
|
|
class FormatError(CmdRunnerException):
|
|
def __init__(self, name, value, args_formats, exc):
|
|
self.name = name
|
|
self.value = value
|
|
self.args_formats = args_formats
|
|
self.exc = exc
|
|
super(FormatError, self).__init__()
|
|
|
|
def __repr__(self):
|
|
return "FormatError({0!r}, {1!r}, {2!r}, {3!r})".format(
|
|
self.name,
|
|
self.value,
|
|
self.args_formats,
|
|
self.exc,
|
|
)
|
|
|
|
def __str__(self):
|
|
return "Failed to format parameter {0} with value {1}: {2}".format(
|
|
self.name,
|
|
self.value,
|
|
self.exc,
|
|
)
|
|
|
|
|
|
class CmdRunner(object):
|
|
"""
|
|
Wrapper for ``AnsibleModule.run_command()``.
|
|
|
|
It aims to provide a reusable runner with consistent argument formatting
|
|
and sensible defaults.
|
|
"""
|
|
|
|
@staticmethod
|
|
def _prepare_args_order(order):
|
|
return tuple(order) if is_sequence(order) else tuple(order.split())
|
|
|
|
def __init__(self, module, command, arg_formats=None, default_args_order=(),
|
|
check_rc=False, force_lang="C", path_prefix=None, environ_update=None):
|
|
self.module = module
|
|
self.command = _ensure_list(command)
|
|
self.default_args_order = self._prepare_args_order(default_args_order)
|
|
if arg_formats is None:
|
|
arg_formats = {}
|
|
self.arg_formats = {}
|
|
for fmt_name, fmt in arg_formats.items():
|
|
if not cmd_runner_fmt.is_argformat(fmt):
|
|
fmt = cmd_runner_fmt.as_func(func=fmt, ignore_none=True)
|
|
self.arg_formats[fmt_name] = fmt
|
|
self.check_rc = check_rc
|
|
if force_lang == "auto":
|
|
try:
|
|
self.force_lang = get_best_parsable_locale(module)
|
|
except RuntimeWarning:
|
|
self.force_lang = "C"
|
|
else:
|
|
self.force_lang = force_lang
|
|
self.path_prefix = path_prefix
|
|
if environ_update is None:
|
|
environ_update = {}
|
|
self.environ_update = environ_update
|
|
|
|
_cmd = self.command[0]
|
|
self.command[0] = _cmd if (os.path.isabs(_cmd) or '/' in _cmd) else module.get_bin_path(_cmd, opt_dirs=path_prefix, required=True)
|
|
|
|
@property
|
|
def binary(self):
|
|
return self.command[0]
|
|
|
|
# remove parameter ignore_value_none in community.general 12.0.0
|
|
def __call__(self, args_order=None, output_process=None, ignore_value_none=None, check_mode_skip=False, check_mode_return=None, **kwargs):
|
|
if ignore_value_none is None:
|
|
ignore_value_none = True
|
|
else:
|
|
self.module.deprecate(
|
|
"Using ignore_value_none when creating the runner context is now deprecated, "
|
|
"and the parameter will be removed in community.general 12.0.0. ",
|
|
version="12.0.0", collection_name="community.general"
|
|
)
|
|
if output_process is None:
|
|
output_process = _process_as_is
|
|
if args_order is None:
|
|
args_order = self.default_args_order
|
|
args_order = self._prepare_args_order(args_order)
|
|
for p in args_order:
|
|
if p not in self.arg_formats:
|
|
raise MissingArgumentFormat(p, args_order, tuple(self.arg_formats.keys()))
|
|
return _CmdRunnerContext(runner=self,
|
|
args_order=args_order,
|
|
output_process=output_process,
|
|
ignore_value_none=ignore_value_none, # DEPRECATION: remove in community.general 12.0.0
|
|
check_mode_skip=check_mode_skip,
|
|
check_mode_return=check_mode_return, **kwargs)
|
|
|
|
def has_arg_format(self, arg):
|
|
return arg in self.arg_formats
|
|
|
|
# not decided whether to keep it or not, but if deprecating it will happen in a farther future.
|
|
context = __call__
|
|
|
|
|
|
class _CmdRunnerContext(object):
|
|
def __init__(self, runner, args_order, output_process, ignore_value_none, check_mode_skip, check_mode_return, **kwargs):
|
|
self.runner = runner
|
|
self.args_order = tuple(args_order)
|
|
self.output_process = output_process
|
|
# DEPRECATION: parameter ignore_value_none at the context level is deprecated and will be removed in community.general 12.0.0
|
|
self.ignore_value_none = ignore_value_none
|
|
self.check_mode_skip = check_mode_skip
|
|
self.check_mode_return = check_mode_return
|
|
self.run_command_args = dict(kwargs)
|
|
|
|
self.environ_update = runner.environ_update
|
|
self.environ_update.update(self.run_command_args.get('environ_update', {}))
|
|
if runner.force_lang:
|
|
self.environ_update.update({
|
|
'LANGUAGE': runner.force_lang,
|
|
'LC_ALL': runner.force_lang,
|
|
})
|
|
self.run_command_args['environ_update'] = self.environ_update
|
|
|
|
if 'check_rc' not in self.run_command_args:
|
|
self.run_command_args['check_rc'] = runner.check_rc
|
|
self.check_rc = self.run_command_args['check_rc']
|
|
|
|
self.cmd = None
|
|
self.results_rc = None
|
|
self.results_out = None
|
|
self.results_err = None
|
|
self.results_processed = None
|
|
|
|
def run(self, **kwargs):
|
|
runner = self.runner
|
|
module = self.runner.module
|
|
self.cmd = list(runner.command)
|
|
self.context_run_args = dict(kwargs)
|
|
|
|
named_args = dict(module.params)
|
|
named_args.update(kwargs)
|
|
for arg_name in self.args_order:
|
|
value = None
|
|
try:
|
|
if arg_name in named_args:
|
|
value = named_args[arg_name]
|
|
elif not runner.arg_formats[arg_name].ignore_missing_value:
|
|
raise MissingArgumentValue(self.args_order, arg_name)
|
|
# DEPRECATION: remove parameter ctx_ignore_none in 12.0.0
|
|
self.cmd.extend(runner.arg_formats[arg_name](value, ctx_ignore_none=self.ignore_value_none))
|
|
except MissingArgumentValue:
|
|
raise
|
|
except Exception as e:
|
|
raise FormatError(arg_name, value, runner.arg_formats[arg_name], e)
|
|
|
|
if self.check_mode_skip and module.check_mode:
|
|
return self.check_mode_return
|
|
results = module.run_command(self.cmd, **self.run_command_args)
|
|
self.results_rc, self.results_out, self.results_err = results
|
|
self.results_processed = self.output_process(*results)
|
|
return self.results_processed
|
|
|
|
@property
|
|
def run_info(self):
|
|
return dict(
|
|
ignore_value_none=self.ignore_value_none, # DEPRECATION: remove in community.general 12.0.0
|
|
check_rc=self.check_rc,
|
|
environ_update=self.environ_update,
|
|
args_order=self.args_order,
|
|
cmd=self.cmd,
|
|
run_command_args=self.run_command_args,
|
|
context_run_args=self.context_run_args,
|
|
results_rc=self.results_rc,
|
|
results_out=self.results_out,
|
|
results_err=self.results_err,
|
|
results_processed=self.results_processed,
|
|
)
|
|
|
|
def __enter__(self):
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
return False
|