+#!/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, progress, md5
+from image_creator.os_type import get_os_class
+from image_creator.kamaki_wrapper import Kamaki
import sys
import os
import optparse
-from pbs import dd
+import StringIO
-class FatalError(Exception):
- pass
+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)
-def check_writable_dir(option, opt_str, value, parser):
- if not os.path.isdir(value):
- raise OptionValueError("%s is not a valid directory name" % value)
setattr(parser.values, option.dest, value)
def parse_options(input_args):
- usage = "Usage: %prog [options] <input_media> <name>"
+ usage = "Usage: %prog [options] <input_media>"
parser = optparse.OptionParser(version=version, usage=usage)
- parser.add_option("-o", "--outdir", type="string", dest="outdir",
- default=".", action="callback", callback=check_writable_dir,
- help="Output files to DIR [default: working dir]",
- metavar="DIR")
+ 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")
+ action="store_true", help="overwrite output files if they exist")
- parser.add_option("--no-shrink", dest="shrink", default=True,
- help="Don't shrink any partition before extracting the image",
- action="store_false")
+ 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("--no-cleanup", dest="cleanup", default=True,
- help="Don't cleanup sensitive data before extracting the image",
- action="store_false")
+ 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("-u", "--upload", dest="upload", default=False,
- help="Upload image to a pithos repository using kamaki",
- 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("-r", "--register", dest="register", default=False,
- help="Register image to okeanos using kamaki", action="store_true")
+ 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) != 2:
- parser.error('input media or name are missing')
+ if len(args) != 1:
+ parser.error('Wrong number of arguments')
options.source = args[0]
- options.name = args[1]
-
if not os.path.exists(options.source):
- parser.error('Input media is not accessible')
+ raise FatalError("Input media `%s' is not accessible" % options.source)
- if options.register:
- options.upload = True
+ if options.register and options.upload == False:
+ raise FatalError("You also need to set -u when -r option is set")
- return options
+ 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():
+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")
+
+ title = 'snf-image-creator %s' % version
+ output(title)
+ output('=' * len(title))
+
if os.geteuid() != 0:
raise FatalError("You must run %s as root" \
% os.path.basename(sys.argv[0]))
- if not options.force:
- for extension in ('diskdump', 'meta'):
- filename = "%s/%s.%s" % (options.outdir, options.name, extension)
+ if not options.force and options.outfile is not None:
+ for extension in ('', '.meta', '.md5sum'):
+ 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()
-
- if options.cleanup:
- image_os.data_cleanup()
+ output()
- dev.umount()
+ 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()
- size = options.shrink and dev.shrink() or dev.size()
- metadata['size'] = str(size // 2 ** 20)
+ if options.outfile is None and not options.upload:
+ return 0
- dd('if=%s' % dev.device,
- 'of=%s/%s.%s' % (options.outdir, options.name, 'diskdump'),
- 'bs=4M', 'count=%d' % ((size + 1) // 2 ** 22))
+ if options.sysprep:
+ image_os.do_sysprep()
+
+ dev.umount()
+
+ size = options.shrink and dev.shrink() or dev.size
+ metadata.update(dev.meta)
+
+ checksum = md5(snapshot, size)
+
+ metastring = '\n'.join(
+ ['%s=%s' % (key, value) for (key, value) in metadata.items()])
+ metastring += '\n'
+
+ if options.outfile is not None:
+ dev.dump(options.outfile)
+
+ output('Dumping metadata file...', False)
+ with open('%s.%s' % (options.outfile, 'meta'), 'w') as f:
+ f.write(metastring)
+ success('done')
+
+ output('Dumping md5sum file...', False)
+ with open('%s.%s' % (options.outfile, 'md5sum'), 'w') as f:
+ f.write('%s %s\n' % (checksum, \
+ os.path.basename(options.outfile)))
+ success('done')
+
+ # Destroy the device. We only need the snapshot from now on
+ disk.destroy_device(dev)
+
+ output()
+
+ uploaded_obj = ""
+ if options.upload:
+ output("Uploading image to pithos:")
+ kamaki = Kamaki(options.account, options.token)
+ with open(snapshot) as f:
+ uploaded_obj = kamaki.upload(f, size, options.upload,
+ "(1/4) Calculating block hashes",
+ "(2/4) Uploading missing blocks")
+
+ output("(3/4) Uploading metadata file...", False)
+ kamaki.upload(StringIO.StringIO(metastring), size=len(metastring),
+ remote_path="%s.%s" % (options.upload, 'meta'))
+ success('done')
+ output("(4/4) Uploading md5sum file...", False)
+ md5sumstr = '%s %s\n' % (
+ checksum, os.path.basename(options.upload))
+ kamaki.upload(StringIO.StringIO(md5sumstr), size=len(md5sumstr),
+ remote_path="%s.%s" % (options.upload, 'md5sum'))
+ success('done')
+ output()
+
+ if options.register:
+ output('Registring image to ~okeanos...', False)
+ kamaki.register(options.register, uploaded_obj, metadata)
+ success('done')
+ output()
- f = open('%s/%s.%s' % (options.outdir, options.name, 'meta'), 'w')
- for key in metadata.keys():
- f.write("%s=%s\n" % (key, metadata[key]))
- f.close()
finally:
+ output('cleaning up...')
disk.cleanup()
- #The image is ready, lets call kamaki if necessary
- if options.upload:
- pass
+ success("snf-image-creator exited without errors")
return 0
-COLOR_BLACK = "\033[00m"
-COLOR_RED = "\033[1;31m"
-if __name__ == '__main__':
+def main():
try:
- ret = main()
+ ret = image_creator()
sys.exit(ret)
except FatalError as e:
- print >> sys.stderr, "\n%sError: %s%s\n" % (COLOR_RED, e, COLOR_BLACK)
+ error(e)
sys.exit(1)
+
+if __name__ == '__main__':
+ main()
+
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
projects / snf-image-creator / blobdiff