X-Git-Url: https://code.grnet.gr/git/snf-image-creator/blobdiff_plain/3ccb2618f3728bb7457e4e870753eeec833ea17c..0144d7c741cb742f52ef8755fc315afaa7ea4747:/image_creator/main.py?ds=sidebyside diff --git a/image_creator/main.py b/image_creator/main.py old mode 100644 new mode 100755 index 3b25bc5..ab69b2d --- a/image_creator/main.py +++ b/image_creator/main.py @@ -1,3 +1,5 @@ +#!/usr/bin/env python + # Copyright 2011 GRNET S.A. All rights reserved. # # Redistribution and use in source and binary forms, with or @@ -33,9 +35,10 @@ from image_creator import get_os_class from image_creator import __version__ as version +from image_creator import FatalError from image_creator.disk import Disk -from image_creator.util import get_command - +from image_creator.util import get_command, error, success, output +from image_creator import util import sys import os import optparse @@ -43,70 +46,79 @@ import optparse dd = get_command('dd') -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): + parser.error("`%s' is not an existing directory" % dirname) + if not name: + parser.error("`%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] " + usage = "Usage: %prog [options] " 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") - 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-cleanup", dest="cleanup", default=True, + help="don't cleanup sensitive data", action="store_false") + + 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 before extracting the image", - action="store_false") + help="don't shrink any partition", action="store_false") - 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("-o", "--outfile", type="string", dest="outfile", + default=None, action="callback", callback=check_writable_dir, + help="dump image to FILE", metavar="FILE") + + parser.add_option("-s", "--silent", dest="silent", default=False, + help="silent mode, only output error", action="store_true") parser.add_option("-u", "--upload", dest="upload", default=False, - help="Upload image to a pithos repository using kamaki", - action="store_true") + help="upload the image to pithos", action="store_true") parser.add_option("-r", "--register", dest="register", default=False, - help="Register image to okeanos using kamaki", action="store_true") + help="register the image to ~okeanos", action="store_true") 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') + parser.error('input media is not accessible') if options.register: options.upload = True - return options + if options.outfile is None and not options.upload: + parser.error('either outfile (-o) or upload (-u) must be set.') + return options -def main(): +def image_creator(): options = parse_options(sys.argv[1:]) + if options.silent: + util.silent = True + + 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: - 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'): + filename = "%s%s" % (options.outfile, extension) if os.path.exists(filename): raise FatalError("Output file %s exists " "(use --force to overwrite it)." % filename) @@ -115,43 +127,50 @@ def main(): try: dev = disk.get_device() dev.mount() + osclass = get_os_class(dev.distro, dev.ostype) image_os = osclass(dev.root, dev.g) metadata = image_os.get_metadata() - + + output() + + if options.sysprep: + image_os.sysprep() + if options.cleanup: image_os.data_cleanup() dev.umount() size = options.shrink and dev.shrink() or dev.size() - metadata['size'] = str(size // 2 ** 20) - dd('if=%s' % dev.device, - 'of=%s/%s.%s' % (options.outdir, options.name, 'diskdump'), - 'bs=4M', 'count=%d' % ((size + 1) // 2 ** 22)) - - 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() + 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) finally: + output('cleaning up...') disk.cleanup() - #The image is ready, lets call kamaki if necessary - if options.upload: - pass - 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 :