188 lines
6.3 KiB
Python
188 lines
6.3 KiB
Python
#!/usr/bin/env python -tt
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#
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# Copyright (c) 2011 Intel, Inc.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the Free
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# Software Foundation; version 2 of the License
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc., 59
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# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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import os, sys, re
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from optparse import SUPPRESS_HELP
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from wic import msger
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from wic.utils import cmdln, errors
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from wic.conf import configmgr
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from wic.plugin import pluginmgr
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class Creator(cmdln.Cmdln):
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"""${name}: create an image
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Usage:
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${name} SUBCOMMAND <ksfile> [OPTS]
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${command_list}
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${option_list}
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"""
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name = 'wic create(cr)'
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def __init__(self, *args, **kwargs):
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cmdln.Cmdln.__init__(self, *args, **kwargs)
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self._subcmds = []
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# get cmds from pluginmgr
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# mix-in do_subcmd interface
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for subcmd, klass in pluginmgr.get_plugins('imager').iteritems():
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if not hasattr(klass, 'do_create'):
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msger.warning("Unsupported subcmd: %s" % subcmd)
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continue
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func = getattr(klass, 'do_create')
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setattr(self.__class__, "do_"+subcmd, func)
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self._subcmds.append(subcmd)
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def get_optparser(self):
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optparser = cmdln.CmdlnOptionParser(self)
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optparser.add_option('-d', '--debug', action='store_true',
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dest='debug',
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help=SUPPRESS_HELP)
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optparser.add_option('-v', '--verbose', action='store_true',
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dest='verbose',
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help=SUPPRESS_HELP)
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optparser.add_option('', '--logfile', type='string', dest='logfile',
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default=None,
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help='Path of logfile')
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optparser.add_option('-c', '--config', type='string', dest='config',
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default=None,
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help='Specify config file for wic')
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optparser.add_option('-o', '--outdir', type='string', action='store',
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dest='outdir', default=None,
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help='Output directory')
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optparser.add_option('', '--tmpfs', action='store_true', dest='enabletmpfs',
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help='Setup tmpdir as tmpfs to accelerate, experimental'
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' feature, use it if you have more than 4G memory')
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return optparser
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def preoptparse(self, argv):
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optparser = self.get_optparser()
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largs = []
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rargs = []
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while argv:
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arg = argv.pop(0)
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if arg in ('-h', '--help'):
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rargs.append(arg)
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elif optparser.has_option(arg):
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largs.append(arg)
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if optparser.get_option(arg).takes_value():
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try:
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largs.append(argv.pop(0))
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except IndexError:
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raise errors.Usage("option %s requires arguments" % arg)
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else:
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if arg.startswith("--"):
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if "=" in arg:
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opt = arg.split("=")[0]
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else:
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opt = None
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elif arg.startswith("-") and len(arg) > 2:
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opt = arg[0:2]
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else:
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opt = None
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if opt and optparser.has_option(opt):
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largs.append(arg)
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else:
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rargs.append(arg)
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return largs + rargs
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def postoptparse(self):
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abspath = lambda pth: os.path.abspath(os.path.expanduser(pth))
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if self.options.verbose:
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msger.set_loglevel('verbose')
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if self.options.debug:
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msger.set_loglevel('debug')
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if self.options.logfile:
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logfile_abs_path = abspath(self.options.logfile)
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if os.path.isdir(logfile_abs_path):
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raise errors.Usage("logfile's path %s should be file"
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% self.options.logfile)
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if not os.path.exists(os.path.dirname(logfile_abs_path)):
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os.makedirs(os.path.dirname(logfile_abs_path))
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msger.set_interactive(False)
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msger.set_logfile(logfile_abs_path)
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configmgr.create['logfile'] = self.options.logfile
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if self.options.config:
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configmgr.reset()
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configmgr._siteconf = self.options.config
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if self.options.outdir is not None:
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configmgr.create['outdir'] = abspath(self.options.outdir)
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cdir = 'outdir'
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if os.path.exists(configmgr.create[cdir]) \
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and not os.path.isdir(configmgr.create[cdir]):
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msger.error('Invalid directory specified: %s' \
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% configmgr.create[cdir])
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if self.options.enabletmpfs:
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configmgr.create['enabletmpfs'] = self.options.enabletmpfs
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def main(self, argv=None):
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if argv is None:
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argv = sys.argv
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else:
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argv = argv[:] # don't modify caller's list
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self.optparser = self.get_optparser()
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if self.optparser:
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try:
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argv = self.preoptparse(argv)
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self.options, args = self.optparser.parse_args(argv)
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except cmdln.CmdlnUserError, ex:
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msg = "%s: %s\nTry '%s help' for info.\n"\
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% (self.name, ex, self.name)
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msger.error(msg)
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except cmdln.StopOptionProcessing, ex:
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return 0
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else:
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# optparser=None means no process for opts
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self.options, args = None, argv[1:]
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if not args:
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return self.emptyline()
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self.postoptparse()
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return self.cmd(args)
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def precmd(self, argv): # check help before cmd
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if '-h' in argv or '?' in argv or '--help' in argv or 'help' in argv:
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return argv
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if len(argv) == 1:
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return ['help', argv[0]]
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return argv
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