/usr/lib/python2.7/dist-packages/reclass/config.py is in python-reclass 1.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -*- coding: utf-8 -*-
#
# This file is part of reclass (http://github.com/madduck/reclass)
#
# Copyright © 2007–14 martin f. krafft <madduck@madduck.net>
# Released under the terms of the Artistic Licence 2.0
#
import yaml, os, optparse, posix, sys
import errors
from defaults import *
from constants import MODE_NODEINFO, MODE_INVENTORY
def make_db_options_group(parser, defaults={}):
ret = optparse.OptionGroup(parser, 'Database options',
'Configure from where {0} collects data'.format(parser.prog))
ret.add_option('-s', '--storage-type', dest='storage_type',
default=defaults.get('storage_type', OPT_STORAGE_TYPE),
help='the type of storage backend to use [%default]')
ret.add_option('-b', '--inventory-base-uri', dest='inventory_base_uri',
default=defaults.get('inventory_base_uri',
OPT_INVENTORY_BASE_URI),
help='the base URI to prepend to nodes and classes [%default]'),
ret.add_option('-u', '--nodes-uri', dest='nodes_uri',
default=defaults.get('nodes_uri', OPT_NODES_URI),
help='the URI to the nodes storage [%default]'),
ret.add_option('-c', '--classes-uri', dest='classes_uri',
default=defaults.get('classes_uri', OPT_CLASSES_URI),
help='the URI to the classes storage [%default]')
return ret
def make_output_options_group(parser, defaults={}):
ret = optparse.OptionGroup(parser, 'Output options',
'Configure the way {0} prints data'.format(parser.prog))
ret.add_option('-o', '--output', dest='output',
default=defaults.get('output', OPT_OUTPUT),
help='output format (yaml or json) [%default]')
ret.add_option('-y', '--pretty-print', dest='pretty_print',
action="store_true",
default=defaults.get('pretty_print', OPT_PRETTY_PRINT),
help='try to make the output prettier [%default]')
return ret
def make_modes_options_group(parser, inventory_shortopt, inventory_longopt,
inventory_help, nodeinfo_shortopt,
nodeinfo_longopt, nodeinfo_dest, nodeinfo_help):
def _mode_checker_cb(option, opt_str, value, parser):
if hasattr(parser.values, 'mode'):
raise optparse.OptionValueError('Cannot specify multiple modes')
if option == parser.get_option(nodeinfo_longopt):
setattr(parser.values, 'mode', MODE_NODEINFO)
setattr(parser.values, nodeinfo_dest, value)
else:
setattr(parser.values, 'mode', MODE_INVENTORY)
setattr(parser.values, nodeinfo_dest, None)
ret = optparse.OptionGroup(parser, 'Modes',
'Specify one of these to determine what to do.')
ret.add_option(inventory_shortopt, inventory_longopt,
action='callback', callback=_mode_checker_cb,
help=inventory_help)
ret.add_option(nodeinfo_shortopt, nodeinfo_longopt,
default=None, dest=nodeinfo_dest, type='string',
action='callback', callback=_mode_checker_cb,
help=nodeinfo_help)
return ret
def make_parser_and_checker(name, version, description,
inventory_shortopt='-i',
inventory_longopt='--inventory',
inventory_help='output the entire inventory',
nodeinfo_shortopt='-n',
nodeinfo_longopt='--nodeinfo',
nodeinfo_dest='nodename',
nodeinfo_help='output information for a specific node',
add_options_cb=None,
defaults={}):
parser = optparse.OptionParser(version=version)
parser.prog = name
parser.version = version
parser.description = description.capitalize()
parser.usage = '%prog [options] ( {0} | {1} {2} )'.format(inventory_longopt,
nodeinfo_longopt,
nodeinfo_dest.upper())
parser.epilog = 'Exactly one mode has to be specified.'
db_group = make_db_options_group(parser, defaults)
parser.add_option_group(db_group)
output_group = make_output_options_group(parser, defaults)
parser.add_option_group(output_group)
if callable(add_options_cb):
add_options_cb(parser, defaults)
modes_group = make_modes_options_group(parser, inventory_shortopt,
inventory_longopt, inventory_help,
nodeinfo_shortopt,
nodeinfo_longopt, nodeinfo_dest,
nodeinfo_help)
parser.add_option_group(modes_group)
def option_checker(options, args):
if len(args) > 0:
parser.error('No arguments allowed')
elif not hasattr(options, 'mode') \
or options.mode not in (MODE_NODEINFO, MODE_INVENTORY):
parser.error('You need to specify exactly one mode '\
'({0} or {1})'.format(inventory_longopt,
nodeinfo_longopt))
elif options.mode == MODE_NODEINFO \
and not getattr(options, nodeinfo_dest, None):
parser.error('Mode {0} needs {1}'.format(nodeinfo_longopt,
nodeinfo_dest.upper()))
elif options.inventory_base_uri is None and options.nodes_uri is None:
parser.error('Must specify --inventory-base-uri or --nodes-uri')
elif options.inventory_base_uri is None and options.classes_uri is None:
parser.error('Must specify --inventory-base-uri or --classes-uri')
return parser, option_checker
def path_mangler(inventory_base_uri, nodes_uri, classes_uri):
if inventory_base_uri is None:
# if inventory_base is not given, default to current directory
inventory_base_uri = os.getcwd()
nodes_uri = nodes_uri or 'nodes'
classes_uri = classes_uri or 'classes'
def _path_mangler_inner(path):
ret = os.path.join(inventory_base_uri, path)
ret = os.path.expanduser(ret)
return os.path.abspath(ret)
n, c = map(_path_mangler_inner, (nodes_uri, classes_uri))
if n == c:
raise errors.DuplicateUriError(n, c)
common = os.path.commonprefix((n, c))
if common == n or common == c:
raise errors.UriOverlapError(n, c)
return n, c
def get_options(name, version, description,
inventory_shortopt='-i',
inventory_longopt='--inventory',
inventory_help='output the entire inventory',
nodeinfo_shortopt='-n',
nodeinfo_longopt='--nodeinfo',
nodeinfo_dest='nodename',
nodeinfo_help='output information for a specific node',
add_options_cb=None,
defaults={}):
parser, checker = make_parser_and_checker(name, version, description,
inventory_shortopt,
inventory_longopt,
inventory_help,
nodeinfo_shortopt,
nodeinfo_longopt, nodeinfo_dest,
nodeinfo_help,
add_options_cb,
defaults=defaults)
options, args = parser.parse_args()
checker(options, args)
options.nodes_uri, options.classes_uri = \
path_mangler(options.inventory_base_uri, options.nodes_uri,
options.classes_uri)
return options
def vvv(msg):
#print >>sys.stderr, msg
pass
def find_and_read_configfile(filename=CONFIG_FILE_NAME,
dirs=CONFIG_FILE_SEARCH_PATH):
for d in dirs:
f = os.path.join(d, filename)
if os.access(f, os.R_OK):
vvv('Using config file: {0}'.format(f))
return yaml.safe_load(file(f))
elif os.path.isfile(f):
raise PermissionsError('cannot read %s' % f)
return {}
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