+#!/usr/bin/env python
+
# Copyright 2011 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
+from image_creator import get_os_class
+from image_creator import __version__ as version
+from image_creator import util
from image_creator.disk import Disk
+from image_creator.util import get_command, error, success, output, FatalError
+from image_creator.kamaki_wrapper import Kamaki
import sys
import os
+import optparse
+
+dd = get_command('dd')
+
+
+def check_writable_dir(option, opt_str, value, parser):
+ dirname = os.path.dirname(value)
+ name = os.path.basename(value)
+ if dirname and not os.path.isdir(dirname):
+ raise FatalError("`%s' is not an existing directory" % dirname)
+
+ if not name:
+ raise FatalError("`%s' is not a valid file name" % dirname)
+
+ setattr(parser.values, option.dest, value)
+
+
+def parse_options(input_args):
+ usage = "Usage: %prog [options] <input_media>"
+ parser = optparse.OptionParser(version=version, usage=usage)
+
+ account = os.environ["OKEANOS_USER"] if "OKEANOS_USER" in os.environ \
+ else None
+ token = os.environ["OKEANOS_TOKEN"] if "OKEANOS_TOKEN" in os.environ \
+ else None
+
+ parser.add_option("-o", "--outfile", type="string", dest="outfile",
+ default=None, action="callback", callback=check_writable_dir,
+ help="dump image to FILE", metavar="FILE")
+
+ parser.add_option("-f", "--force", dest="force", default=False,
+ action="store_true", help="overwrite output files if they exist")
+
+ parser.add_option("-s", "--silent", dest="silent", default=False,
+ help="silent mode, only output errors", action="store_true")
+
+ parser.add_option("-u", "--upload", dest="upload", type="string",
+ default=False, help="upload the image to pithos with name FILENAME",
+ metavar="FILENAME")
+
+ parser.add_option("-r", "--register", dest="register", type="string",
+ default=False, help="register the image to ~okeanos as IMAGENAME",
+ metavar="IMAGENAME")
+
+ parser.add_option("-a", "--account", dest="account", type="string",
+ default=account,
+ help="Use this ACCOUNT when uploading/registring images [Default: %s]"\
+ % account)
+
+ parser.add_option("-t", "--token", dest="token", type="string",
+ default=token,
+ help="Use this token when uploading/registring images [Default: %s]"\
+ % token)
+
+ parser.add_option("--print-sysprep", dest="print_sysprep", default=False,
+ help="print the enabled and disabled system preparation operations "
+ "for this input media", action="store_true")
+
+ parser.add_option("--enable-sysprep", dest="enabled_syspreps", default=[],
+ help="run SYSPREP operation on the input media",
+ action="append", metavar="SYSPREP")
+
+ parser.add_option("--disable-sysprep", dest="disabled_syspreps",
+ help="prevent SYSPREP operation from running on the input media",
+ default=[], action="append", metavar="SYSPREP")
+
+ parser.add_option("--no-sysprep", dest="sysprep", default=True,
+ help="don't perform system preperation", action="store_false")
+
+ parser.add_option("--no-shrink", dest="shrink", default=True,
+ help="don't shrink any partition", action="store_false")
+
+ options, args = parser.parse_args(input_args)
+
+ if len(args) != 1:
+ parser.error('Wrong number of arguments')
+ options.source = args[0]
+ if not os.path.exists(options.source):
+ raise FatalError("Input media `%s' is not accessible" % options.source)
+
+ if options.register and options.upload == False:
+ raise FatalError("You also need to set -u when -r option is set")
+
+ if options.upload and options.account is None:
+ raise FatalError("Image uploading cannot be performed. No ~okeanos "
+ "account name is specified. Use -a to set an account name.")
+
+ if options.upload and options.token is None:
+ raise FatalError("Image uploading cannot be performed. No ~okeanos "
+ "token is specified. User -t to set a token.")
+
+ return options
-def main():
- if len(sys.argv) != 3:
- sys.exit("Usage: %s <source> <output_file>" %
- os.path.basename(sys.argv[0]))
- source = sys.argv[1]
- dest = sys.argv[2]
- disk = Disk(source)
+def image_creator():
+ options = parse_options(sys.argv[1:])
+
+ if options.silent:
+ util.silent = True
+
+ if options.outfile is None and not options.upload \
+ and not options.print_sysprep:
+ raise FatalError("At least one of `-o', `-u' or" \
+ "`--print-sysprep' must be set")
+
+ output('snf-image-creator %s\n' % version)
+
+ if os.geteuid() != 0:
+ raise FatalError("You must run %s as root" \
+ % os.path.basename(sys.argv[0]))
+
+ if not options.force and options.outfile is not None:
+ for extension in ('', '.meta'):
+ filename = "%s%s" % (options.outfile, extension)
+ if os.path.exists(filename):
+ raise FatalError("Output file %s exists "
+ "(use --force to overwrite it)." % filename)
+
+ disk = Disk(options.source)
try:
- dev = disk.get_device()
+ snapshot = disk.snapshot()
+
+ dev = disk.get_device(snapshot)
+ dev.mount()
+
+ osclass = get_os_class(dev.distro, dev.ostype)
+ image_os = osclass(dev.root, dev.g)
+ metadata = image_os.get_metadata()
+
+ output()
+
+ for sysprep in options.disabled_syspreps:
+ image_os.disable_sysprep(sysprep)
+
+ for sysprep in options.enabled_syspreps:
+ image_os.enable_sysprep(sysprep)
+
+ if options.print_sysprep:
+ image_os.print_syspreps()
+ output()
+
+ if options.outfile is None and not options.upload:
+ return 0
+
+ if options.sysprep:
+ image_os.do_sysprep()
+
+ dev.umount()
+
+ size = options.shrink and dev.shrink() or dev.size()
+ metadata['SIZE'] = str(size // 2 ** 20)
+
+ if options.outfile is not None:
+ f = open('%s.%s' % (options.outfile, 'meta'), 'w')
+ try:
+ for key in metadata.keys():
+ f.write("%s=%s\n" % (key, metadata[key]))
+ finally:
+ f.close()
+
+ dev.dump(options.outfile)
+
+ # Destroy the device. We only need the snapshot from now on
+ disk.destroy_device(dev)
+
+ if options.upload:
+ output("Uploading image to pithos...", False)
+ kamaki = Kamaki(options.account, options.token)
+ kamaki.upload(snapshot, size, options.upload)
+ output("done")
finally:
+ output('cleaning up...')
disk.cleanup()
+ return 0
+
+
+def main():
+ try:
+ ret = image_creator()
+ sys.exit(ret)
+ except FatalError as e:
+ error(e)
+ sys.exit(1)
+
+
if __name__ == '__main__':
main()
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projects / snf-image-creator / blobdiff