-# Copyright 2011 GRNET S.A. All rights reserved.
+#!/usr/bin/env python
+
+# Copyright 2012 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
+import gevent.monkey # Monkey-patch everything for gevent early on
+gevent.monkey.patch_all()
+
+from image_creator import __version__ as version
+from image_creator import util
from image_creator.disk import Disk
+from image_creator.util import FatalError, MD5
+from image_creator.output.cli import SilentOutput, SimpleOutput, \
+ OutputWthProgress
+from image_creator.os_type import os_cls
+from image_creator.kamaki_wrapper import Kamaki, ClientError
import sys
import os
+import optparse
+import StringIO
+import signal
-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 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 with ~okeanos as IMAGENAME",
+ metavar="IMAGENAME")
+
+ parser.add_option("-a", "--account", dest="account", type="string",
+ default=account, help="Use this ACCOUNT when "
+ "uploading/registering images [Default: %s]" % account)
+
+ parser.add_option("-m", "--metadata", dest="metadata", default=[],
+ help="Add custom KEY=VALUE metadata to the image",
+ action="append", metavar="KEY=VALUE")
+
+ parser.add_option("-t", "--token", dest="token", type="string",
+ default=token, help="Use this token when "
+ "uploading/registering 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 preparation",
+ 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 not options.upload:
+ 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.")
+
+ meta = {}
+ for m in options.metadata:
+ try:
+ key, value = m.split('=', 1)
+ except ValueError:
+ raise FatalError("Metadata option: `%s' is not in "
+ "KEY=VALUE format." % m)
+ meta[key] = value
+ options.metadata = meta
+
+ return options
+
+
+def image_creator():
+ options = parse_options(sys.argv[1:])
+
+ 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")
+
+ if options.silent:
+ out = SilentOutput()
+ else:
+ out = OutputWthProgress(True) if sys.stderr.isatty() else \
+ SimpleOutput(False)
+
+ title = 'snf-image-creator %s' % version
+ out.output(title)
+ out.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 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, out)
+
+ def signal_handler(signum, frame):
+ disk.cleanup()
+
+ signal.signal(signal.SIGINT, signal_handler)
+ signal.signal(signal.SIGTERM, signal_handler)
try:
- dev = disk.get_device()
- metadata = dev.get_image_metadata()
- for key, val in metadata.iteritems():
- print "%s=%s" % (key,val)
+ snapshot = disk.snapshot()
+
+ dev = disk.get_device(snapshot)
+
+ # If no customization is to be applied, the image should be mounted ro
+ readonly = (not (options.sysprep or options.shrink) or
+ options.print_sysprep)
+ dev.mount(readonly)
+
+ cls = os_cls(dev.distro, dev.ostype)
+ image_os = cls(dev.root, dev.g, out)
+ out.output()
+
+ for sysprep in options.disabled_syspreps:
+ image_os.disable_sysprep(image_os.get_sysprep_by_name(sysprep))
+
+ for sysprep in options.enabled_syspreps:
+ image_os.enable_sysprep(image_os.get_sysprep_by_name(sysprep))
+
+ if options.print_sysprep:
+ image_os.print_syspreps()
+ out.output()
+
+ if options.outfile is None and not options.upload:
+ return 0
+
+ if options.sysprep:
+ image_os.do_sysprep()
+
+ metadata = image_os.meta
+ dev.umount()
+
+ size = options.shrink and dev.shrink() or dev.size
+ metadata.update(dev.meta)
+
+ # Add command line metadata to the collected ones...
+ metadata.update(options.metadata)
+
+ md5 = MD5(out)
+ checksum = md5.compute(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)
+
+ out.output('Dumping metadata file...', False)
+ with open('%s.%s' % (options.outfile, 'meta'), 'w') as f:
+ f.write(metastring)
+ out.success('done')
+
+ out.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)))
+ out.success('done')
+
+ # Destroy the device. We only need the snapshot from now on
+ disk.destroy_device(dev)
+
+ out.output()
+ try:
+ uploaded_obj = ""
+ if options.upload:
+ out.output("Uploading image to pithos:")
+ kamaki = Kamaki(options.account, options.token, out)
+ with open(snapshot, 'rb') as f:
+ uploaded_obj = kamaki.upload(f, size, options.upload,
+ "(1/4) Calculating block "
+ "hashes",
+ "(2/4) Uploading missing "
+ "blocks")
+
+ out.output("(3/4) Uploading metadata file...", False)
+ kamaki.upload(StringIO.StringIO(metastring),
+ size=len(metastring),
+ remote_path="%s.%s" % (options.upload, 'meta'))
+ out.success('done')
+ out.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'))
+ out.success('done')
+ out.output()
+
+ if options.register:
+ out.output('Registering image with ~okeanos...', False)
+ kamaki.register(options.register, uploaded_obj, metadata)
+ out.success('done')
+ out.output()
+ except ClientError as e:
+ raise FatalError("Pithos client: %d %s" % (e.status, e.message))
+
finally:
+ out.output('cleaning up...')
disk.cleanup()
+ out.success("snf-image-creator exited without errors")
+
+ return 0
+
+
+def main():
+ try:
+ ret = image_creator()
+ sys.exit(ret)
+ except FatalError as e:
+ colored = sys.stderr.isatty()
+ SimpleOutput(colored).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