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#!/usr/bin/env python -tt
#
# Copyright (c) 2011 Intel, Inc.
#
# This program 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; version 2 of the License
#
# 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 General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import os, sys
from optparse import SUPPRESS_HELP
from wic import msger
from wic.utils import cmdln, errors
from wic.conf import configmgr
from wic.plugin import pluginmgr
class Creator(cmdln.Cmdln):
"""${name}: create an image
Usage:
${name} SUBCOMMAND <ksfile> [OPTS]
${command_list}
${option_list}
"""
name = 'wic create(cr)'
def __init__(self, *args, **kwargs):
cmdln.Cmdln.__init__(self, *args, **kwargs)
self._subcmds = []
# get cmds from pluginmgr
# mix-in do_subcmd interface
for subcmd, klass in pluginmgr.get_plugins('imager').iteritems():
if not hasattr(klass, 'do_create'):
msger.warning("Unsupported subcmd: %s" % subcmd)
continue
func = getattr(klass, 'do_create')
setattr(self.__class__, "do_"+subcmd, func)
self._subcmds.append(subcmd)
def get_optparser(self):
optparser = cmdln.CmdlnOptionParser(self)
optparser.add_option('-d', '--debug', action='store_true',
dest='debug',
help=SUPPRESS_HELP)
optparser.add_option('-v', '--verbose', action='store_true',
dest='verbose',
help=SUPPRESS_HELP)
optparser.add_option('', '--logfile', type='string', dest='logfile',
default=None,
help='Path of logfile')
optparser.add_option('-c', '--config', type='string', dest='config',
default=None,
help='Specify config file for wic')
optparser.add_option('-o', '--outdir', type='string', action='store',
dest='outdir', default=None,
help='Output directory')
optparser.add_option('', '--tmpfs', action='store_true', dest='enabletmpfs',
help='Setup tmpdir as tmpfs to accelerate, experimental'
' feature, use it if you have more than 4G memory')
return optparser
def preoptparse(self, argv):
optparser = self.get_optparser()
largs = []
rargs = []
while argv:
arg = argv.pop(0)
if arg in ('-h', '--help'):
rargs.append(arg)
elif optparser.has_option(arg):
largs.append(arg)
if optparser.get_option(arg).takes_value():
try:
largs.append(argv.pop(0))
except IndexError:
raise errors.Usage("option %s requires arguments" % arg)
else:
if arg.startswith("--"):
if "=" in arg:
opt = arg.split("=")[0]
else:
opt = None
elif arg.startswith("-") and len(arg) > 2:
opt = arg[0:2]
else:
opt = None
if opt and optparser.has_option(opt):
largs.append(arg)
else:
rargs.append(arg)
return largs + rargs
def postoptparse(self):
abspath = lambda pth: os.path.abspath(os.path.expanduser(pth))
if self.options.verbose:
msger.set_loglevel('verbose')
if self.options.debug:
msger.set_loglevel('debug')
if self.options.logfile:
logfile_abs_path = abspath(self.options.logfile)
if os.path.isdir(logfile_abs_path):
raise errors.Usage("logfile's path %s should be file"
% self.options.logfile)
if not os.path.exists(os.path.dirname(logfile_abs_path)):
os.makedirs(os.path.dirname(logfile_abs_path))
msger.set_interactive(False)
msger.set_logfile(logfile_abs_path)
configmgr.create['logfile'] = self.options.logfile
if self.options.config:
configmgr.reset()
configmgr._siteconf = self.options.config
if self.options.outdir is not None:
configmgr.create['outdir'] = abspath(self.options.outdir)
cdir = 'outdir'
if os.path.exists(configmgr.create[cdir]) \
and not os.path.isdir(configmgr.create[cdir]):
msger.error('Invalid directory specified: %s' \
% configmgr.create[cdir])
if self.options.enabletmpfs:
configmgr.create['enabletmpfs'] = self.options.enabletmpfs
def main(self, argv=None):
if argv is None:
argv = sys.argv
else:
argv = argv[:] # don't modify caller's list
self.optparser = self.get_optparser()
if self.optparser:
try:
argv = self.preoptparse(argv)
self.options, args = self.optparser.parse_args(argv)
except cmdln.CmdlnUserError, ex:
msg = "%s: %s\nTry '%s help' for info.\n"\
% (self.name, ex, self.name)
msger.error(msg)
except cmdln.StopOptionProcessing, ex:
return 0
else:
# optparser=None means no process for opts
self.options, args = None, argv[1:]
if not args:
return self.emptyline()
self.postoptparse()
return self.cmd(args)
def precmd(self, argv): # check help before cmd
if '-h' in argv or '?' in argv or '--help' in argv or 'help' in argv:
return argv
if len(argv) == 1:
return ['help', argv[0]]
return argv
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