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mof_compiler
executable file
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mof_compiler
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (C) Copyright 2006-2007 Novell, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This program 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Author: Bart Whiteley <bwhiteley suse.de>
# Author: Ross Peoples <ross.peoples@gmail.com>
#
"""
mof_compiler - Compile MOF files, and update a namespace in a WBEM server with
the result.
Invoke with `-h` or `--help` for a help message.
"""
import os
import sys
import re
import argparse
from getpass import getpass
from pywbem._cliutils import SmartFormatter
from pywbem import WBEMConnection, Error
from pywbem._mof_compiler import MOFWBEMConnection, MOFCompiler
from pywbem import __version__
from pywbem._logging import LOG_DESTINATIONS, \
LOG_DETAIL_LEVELS, LOGGER_SIMPLE_NAMES, DEFAULT_LOG_DETAIL_LEVEL, \
DEFAULT_LOG_DESTINATION, configure_loggers_from_string
MOFCOMP_LOG_FILENAME = 'mofcompserver.log'
def main():
"""
Parse command line arguments and process the specified MOF files.
"""
prog = "mof_compiler" # Name of the script file invoking this module
usage = '%(prog)s [options] moffile ...'
desc = 'Compile MOF files, and update a namespace in a WBEM ' \
'server with the result.'
epilog = """
Example:
%s CIM_Schema_2.45.mof -s https://localhost -n root/cimv2 -u sheldon -p p42
""" % prog
argparser = argparse.ArgumentParser(
prog=prog, usage=usage, description=desc, epilog=epilog,
add_help=False, formatter_class=SmartFormatter)
pos_arggroup = argparser.add_argument_group(
'Positional arguments')
pos_arggroup.add_argument(
'mof_files', metavar='moffile',
nargs='*',
help='R|Path name of the MOF file to be compiled.\n'
'Can be specified multiple times.')
server_arggroup = argparser.add_argument_group(
'Server related options',
'Specify the WBEM server and namespace the MOF compiler '
'works against.')
server_arggroup.add_argument(
'-s', '--server', dest='url', metavar='url',
help='R|Host name or URL of the WBEM server (required),\n'
'in this format:\n'
' [scheme://]host[:port]\n'
'- scheme: Defines the protocol to use:\n'
' - "https" for HTTPS protocol\n'
' - "http" for HTTP protocol\n'
' Default: "https".\n'
'- host: Defines host name as follows:\n'
' - short or fully qualified DNS hostname\n'
' - literal IPV4 address(dotted)\n'
' - literal IPV6 address (RFC 3986) with zone\n'
' identifier extensions(RFC 6874)\n'
' supporting "-" or %%25 for the delimiter\n'
'- port: Defines the WBEM server port to be used.\n'
' Defaults:\n'
' - 5988, when using HTTP\n'
' - 5989, whenusing HTTPS\n')
server_arggroup.add_argument(
'-n', '--namespace', dest='namespace', metavar='namespace',
default='root/cimv2',
help='R|Namespace in the WBEM server.\n'
'Default: %(default)s')
security_arggroup = argparser.add_argument_group(
'Connection security related options',
'Specify user name and password or certificates and keys.')
security_arggroup.add_argument(
'-u', '--user', dest='user', metavar='user',
help='R|User name for authenticating with the WBEM server.\n'
'Default: No user name.')
security_arggroup.add_argument(
'-p', '--password', dest='password', metavar='password',
help='R|Password for authenticating with the WBEM server.\n'
'Default: Will be prompted for, if user name specified.')
security_arggroup.add_argument(
'-nvc', '--no-verify-cert', dest='no_verify_cert',
action='store_true',
help='R|Client will not verify certificate returned by the WBEM\n'
'server (see cacerts). This bypasses the client-side\n'
'verification of the server identity, but allows encrypted\n'
'communication with a server for which the client does not have\n'
'certificates.')
security_arggroup.add_argument(
'--cacerts', dest='ca_certs', metavar='cacerts',
# pylint: disable=bad-continuation
help='R|CA certificates to be used for verifying the server\n'
'certificate presented by the WBEM server during TLS/SSL\n'
'handshake:\n'
'FILE: Use the certs in the specified cert file;\n'
'DIR: Use the certs in the specified cert directory.\n'
'Default: Use certs from the certifi Python package.')
security_arggroup.add_argument(
'--certfile', dest='cert_file', metavar='certfile',
help='R|Client certificate file for authenticating with the\n'
'WBEM server. If option specified the client attempts\n'
'to execute mutual authentication.\n'
'Default: Simple authentication.')
security_arggroup.add_argument(
'--keyfile', dest='key_file', metavar='keyfile',
help='R|Client private key file for authenticating with the\n'
'WBEM server. Not required if private key is part of the\n'
'certfile option. Not allowed if no certfile option.\n'
'Default: No client key file. Client private key should\n'
'then be part of the certfile.')
action_arggroup = argparser.add_argument_group(
'Action related options',
'Specify actions against the WBEM server\'s namespace.')
action_arggroup.add_argument(
'-r', '--remove', dest='remove',
action='store_true', default=False,
help='R|Removal mode: Remove elements (found in the MOF files) from\n'
'the WBEM server\'s namespace, instead of creating or updating\n'
'them.')
action_arggroup.add_argument(
'-d', '--dry-run', dest='dry_run',
action='store_true', default=False,
help='R|Dry-run mode: Don\'t actually modify the WBEM server\'s\n'
'namespace, just check MOF syntax. Connection to WBEM server is\n'
'still required to check qualifiers.')
general_arggroup = argparser.add_argument_group(
'General options')
general_arggroup.add_argument(
'-I', '--include', dest='include_dirs', metavar='dir',
action='append',
help='R|Path name of a MOF include directory. Can be specified\n'
'multiple times.')
general_arggroup.add_argument(
'-v', '--verbose', dest='verbose',
action='store_true', default=False,
help='Print more messages while processing')
general_arggroup.add_argument(
'-V', '--version', action='version', version='%(prog)s ' + __version__,
help='Display pywbem version and exit.')
general_arggroup.add_argument(
'-h', '--help', action='help',
help='Show this help message and exit')
# Old options, to check whether they are used.
general_arggroup.add_argument(
'-l', dest='outdated_l',
nargs='?', action='store', const=True, default=False,
help=argparse.SUPPRESS)
general_arggroup.add_argument(
'--username', dest='outdated_username',
nargs='?', action='store', const=True, default=False,
help=argparse.SUPPRESS)
general_arggroup.add_argument(
'--url', dest='outdated_url',
nargs='?', action='store', const=True, default=False,
help=argparse.SUPPRESS)
general_arggroup.add_argument(
'--search', dest='outdated_search',
nargs='?', action='store', const=True, default=False,
help=argparse.SUPPRESS)
general_arggroup.add_argument(
'--log', dest='log', metavar='log_spec[,logspec]',
action='store', default=None,
help='R|Log_spec defines characteristics of the various named\n'
'loggers. It is the form:\n COMP=[DEST[:DETAIL]] where:\n'
' COMP: Logger component name:[{c}].\n'
' (Default={cd})\n'
' DEST: Destination for component:[{d}].\n'
' (Default={dd})\n'
' DETAIL: Detail Level to log: [{dl}] or\n'
' an integer that defines the maximum length of\n'
' of each log record.\n'
' (Default={dll})\n'
# pylint: disable=bad-continuation
.format(c='|'.join(LOGGER_SIMPLE_NAMES),
cd='all',
d='|'.join(LOG_DESTINATIONS),
dd=DEFAULT_LOG_DESTINATION,
dl='|'.join(LOG_DETAIL_LEVELS),
dll=DEFAULT_LOG_DETAIL_LEVEL))
args = argparser.parse_args()
if not args.mof_files:
argparser.error('No MOF files specified')
if not args.url:
argparser.error('No server specified (-s/--server option)')
if not args.namespace:
argparser.error('No namespace specified (-n/--namespace option)')
if args.outdated_l:
argparser.error('Outdated -l option used; '
'Use -u/--user instead')
if args.outdated_username:
argparser.error('Outdated --username option used; '
'Use -u/--user instead')
if args.outdated_url:
argparser.error('Outdated --url option used; '
'Use -s/--server instead')
if args.outdated_search:
argparser.error('Outdated --search option used; '
'Use -I/--include instead')
if args.user and re.search(r'[:/\[\]%]', args.user):
argparser.error('User name specified in -u/--user contains '
'characters typical for URLs: %s' % args.user)
passwd = args.password
if args.user and not passwd:
passwd = getpass('Enter password for %s: ' % args.user)
if args.dry_run and args.remove:
argparser.error('--dry-run not allowed with --remove.')
# if client cert and key provided, create dictionary for
# wbem connection
x509_dict = None
if args.cert_file is not None:
x509_dict = {"cert_file": args.cert_file}
if args.key_file is not None:
x509_dict.update({'key_file': args.key_file})
if args.user:
creds = (args.user, passwd)
else:
creds = None
conn = WBEMConnection(args.url, creds, default_namespace=args.namespace,
no_verification=args.no_verify_cert,
x509=x509_dict, ca_certs=args.ca_certs)
if args.log:
configure_loggers_from_string(args.log, MOFCOMP_LOG_FILENAME, conn)
# Define the connection to be use as the compile handle
# If remove or dry_run set new objects are not written to the
# repository defined by conn. However, if conn is defined, CIM
# objects needed for the compile are retrieved from the implementation
# defined by conn
if args.remove or args.dry_run:
# Write classes/instances to local repo but get them from
# conn if it is defined.
conn_mof = MOFWBEMConnection(conn=conn)
# Make it simple for this script to use these attributes:
conn_mof.default_namespace = conn.default_namespace
conn_mof.url = conn.url
conn = conn_mof
# conn.debug = True
print('MOF repository: Namespace %s in WBEM server %s' %
(conn.default_namespace, conn.url))
if args.dry_run:
print('Executing in dry-run mode')
include_dirs = args.include_dirs
if include_dirs is None:
include_dirs = []
include_dirs = [os.path.abspath(x) for x in include_dirs]
for fname in args.mof_files:
path = os.path.abspath(os.path.dirname(fname))
for spath in include_dirs:
if path.startswith(spath):
break
else:
include_dirs.append(path)
# If removing, we'll be verbose later when we actually remove stuff.
# We don't want MOFCompiler to be verbose, as that would be confusing.
# Remove works by recompiling the mof into MOFWBEMConnection and
# using the instances and classes defined in that local repository to
# drive the removal
verbose = args.verbose and not args.remove
try:
mofcomp = MOFCompiler(handle=conn, search_paths=include_dirs,
verbose=verbose)
try:
for fname in args.mof_files:
if fname[0] != '/':
fname = os.path.curdir + '/' + fname
mofcomp.compile_file(fname, args.namespace)
except (Error, IOError) as exc:
print('%s: %s: %s' % (prog, exc.__class__.__name__, exc))
return 1
if args.remove and not args.dry_run:
try:
conn.rollback(verbose=args.verbose)
except Error as exc:
print('%s: %s: %s' % (prog, exc.__class__.__name__, exc))
return 1
return 0
finally:
mofcomp.conn_close()
if __name__ == '__main__':
rc = main() # pylint: disable=invalid-name
sys.exit(rc)