cdist/cdist/info.py

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2019-12-30 08:32:15 +00:00
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# 2019-2020 Darko Poljak (darko.poljak at gmail.com)
#
# This file is part of cdist.
#
# cdist 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.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
import cdist
import cdist.configuration
import cdist.core
import cdist.exec.util as util
import os
import glob
import fnmatch
class Info(object):
def __init__(self, conf_dirs, args):
self.conf_dirs = conf_dirs
self.all = args.all
self.display_global_explorers = args.global_explorers
self.display_types = args.types
if not self.display_global_explorers and not self.display_types:
self.all = True
self.fixed_string = args.fixed_string
self._setup_glob_pattern(args.pattern)
self.full = args.full
def _setup_glob_pattern(self, pattern):
if pattern is None:
self.glob_pattern = '*'
elif ('?' in pattern or '*' in pattern or '[' in pattern or
self.fixed_string):
self.glob_pattern = pattern
else:
self.glob_pattern = '*' + pattern + '*'
@classmethod
def commandline(cls, args):
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conf_dirs = util.resolve_conf_dirs_from_config_and_args(args)
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c = cls(conf_dirs, args)
c.run()
def _get_global_explorers(self, conf_path):
rv = []
global_explorer_path = os.path.join(conf_path, "explorer",
self.glob_pattern)
if self.fixed_string:
if os.path.exists(global_explorer_path):
rv.append(global_explorer_path)
else:
for explorer in glob.glob(global_explorer_path):
rv.append(explorer)
return rv
def _should_display_type(self, dir_entry):
if not dir_entry.is_dir():
return False
if self.glob_pattern is None:
return True
if self.fixed_string:
return dir_entry.name == self.glob_pattern
else:
return fnmatch.fnmatch(dir_entry.name, self.glob_pattern)
def _get_types(self, conf_path):
rv = []
types_path = os.path.join(conf_path, "type")
if not os.path.exists(types_path):
return rv
with os.scandir(types_path) as it:
for entry in it:
if self._should_display_type(entry):
rv.append(entry.path)
return rv
def _display_details(self, title, details, default_values=None,
deprecated=None):
if not details:
return
if isinstance(details, bool):
print("\t{}: {}".format(title, 'yes' if details else 'no'))
elif isinstance(details, str):
print("\t{}: {}".format(title, details))
elif isinstance(details, list):
dv = dict(default_values) if default_values else {}
dp = dict(deprecated) if deprecated else {}
print("\t{}:".format(title))
for x in sorted(details):
print("\t\t{}".format(x), end='')
has_default = x in dv
is_deprecated = x in dp
need_comma = False
if has_default or is_deprecated:
print(" (", end='')
if has_default:
print("default: {}".format(dv[x]), end='')
need_comma = True
if is_deprecated:
print("{}deprecated".format(', ' if need_comma else ''),
end='')
if has_default or is_deprecated:
print(")", end='')
print()
def _display_type_parameters(self, cdist_type):
self._display_details("required parameters",
cdist_type.required_parameters,
default_values=cdist_type.parameter_defaults,
deprecated=cdist_type.deprecated_parameters)
self._display_details("required multiple parameters",
cdist_type.required_multiple_parameters,
default_values=cdist_type.parameter_defaults,
deprecated=cdist_type.deprecated_parameters)
self._display_details("optional parameters",
cdist_type.optional_parameters,
default_values=cdist_type.parameter_defaults,
deprecated=cdist_type.deprecated_parameters)
self._display_details("optional multiple parameters",
cdist_type.optional_multiple_parameters,
default_values=cdist_type.parameter_defaults,
deprecated=cdist_type.deprecated_parameters)
self._display_details("boolean parameters",
cdist_type.boolean_parameters,
default_values=cdist_type.parameter_defaults,
deprecated=cdist_type.deprecated_parameters)
def _display_type_characteristics(self, cdist_type):
characteristics = []
if cdist_type.is_install:
characteristics.append('install')
else:
characteristics.append('config')
if cdist_type.is_singleton:
characteristics.append('singleton')
if cdist_type.is_nonparallel:
characteristics.append('nonparallel')
else:
characteristics.append('parallel')
if cdist_type.deprecated is not None:
characteristics.append('deprecated')
print("\t{}".format(', '.join(characteristics)))
def _display_type_details(self, type_path):
dirname, basename = os.path.split(type_path)
cdist_type = cdist.core.CdistType(dirname, basename)
self._display_type_characteristics(cdist_type)
self._display_type_parameters(cdist_type)
def run(self):
rv = []
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for cp in self.conf_dirs:
conf_path = os.path.expanduser(cp)
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if self.all or self.display_global_explorers:
rv.extend((x, 'E', ) for x in self._get_global_explorers(
conf_path))
if self.all or self.display_types:
rv.extend((x, 'T', ) for x in self._get_types(conf_path))
rv = sorted(rv, key=lambda x: x[0])
for x, t in rv:
print(x)
if self.full and t == 'T':
self._display_type_details(x)