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__init__.py
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Editing: __init__.py
# Copyright (C) 2020 Red Hat, Inc., Jake Hunsaker <jhunsake@redhat.com> # This file is part of the sos project: https://github.com/sosreport/sos # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # version 2 of the GNU General Public License. # # See the LICENSE file in the source distribution for further information. import json import os from sos.options import SoSOptions PRESETS_PATH = "/etc/sos/presets.d" #: Constants for on-disk preset fields DESC = "desc" NOTE = "note" OPTS = "args" class PresetDefaults(): """Preset command line defaults to allow for quick reference to sets of commonly used options :param name: The name of the new preset :type name: ``str`` :param desc: A description for the new preset :type desc: ``str`` :param note: Note for the new preset :type note: ``str`` :param opts: Options set for the new preset :type opts: ``SoSOptions`` """ #: Preset name, used for selection name = None #: Human readable preset description desc = None #: Notes on preset behaviour note = None #: Options set for this preset opts = SoSOptions() #: ``True`` if this preset if built-in or ``False`` otherwise. builtin = True def __str__(self): """Return a human readable string representation of this ``PresetDefaults`` object. """ return (f"name={self.name} desc={self.desc} note={self.note} " f"opts=({str(self.opts)})") def __repr__(self): """Return a machine readable string representation of this ``PresetDefaults`` object. """ return (f"PresetDefaults(name='{self.name}' desc='{self.desc}' " f"note='{self.note}' opts=({repr(self.opts)})") def __init__(self, name="", desc="", note=None, opts=SoSOptions()): """Initialise a new ``PresetDefaults`` object with the specified arguments. :returns: The newly initialised ``PresetDefaults`` """ self.name = name self.desc = desc self.note = note self.opts = opts def write(self, presets_path): """Write this preset to disk in JSON notation. :param presets_path: the directory where the preset will be written :type presets_path: ``str`` """ if self.builtin: raise TypeError("Cannot write built-in preset") # Make dictionaries of PresetDefaults values odict = self.opts.dict() pdict = {self.name: {DESC: self.desc, NOTE: self.note, OPTS: odict}} if not os.path.exists(presets_path): os.makedirs(presets_path, mode=0o755) with open(os.path.join(presets_path, self.name), "w", encoding='utf-8') as pfile: json.dump(pdict, pfile) def delete(self, presets_path): """Delete a preset from disk :param presets_path: the directory where the preset is saved :type presets_path: ``str`` """ os.unlink(os.path.join(presets_path, self.name)) NO_PRESET = 'none' NO_PRESET_DESC = 'Do not load a preset' NO_PRESET_NOTE = 'Use to disable automatically loaded presets' SMALL_PRESET = 'minimal' SMALL_PRESET_DESC = ('Small and quick report that reduces sos report resource ' 'consumption') SMALL_PRESET_NOTE = ('May be useful for low-resource systems, but may not ' 'provide sufficient data for analysis') SMALL_PRESET_OPTS = SoSOptions(log_size=10, journal_size=10, plugin_timeout=30, command_timeout=30, low_priority=True) GENERIC_PRESETS = { NO_PRESET: PresetDefaults( name=NO_PRESET, desc=NO_PRESET_DESC, note=NO_PRESET_NOTE, opts=SoSOptions() ), SMALL_PRESET: PresetDefaults( name=SMALL_PRESET, desc=SMALL_PRESET_DESC, note=SMALL_PRESET_NOTE, opts=SMALL_PRESET_OPTS ) } # vim: set et ts=4 sw=4 :
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