# or implied, of GRNET S.A.
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, FatalError, MD5
+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 check_writable_dir(option, opt_str, value, parser):
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",
help="overwrite output files if they exist")
parser.add_option("-s", "--silent", dest="silent", default=False,
- help="silent mode, only output errors",
+ help="output only errors",
action="store_true")
parser.add_option("-u", "--upload", dest="upload", type="string",
parser.add_option("-r", "--register", dest="register", type="string",
default=False,
- help="register the image to ~okeanos as IMAGENAME",
+ 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/registring images [Default: %s]" % account)
-
parser.add_option("-m", "--metadata", dest="metadata", default=[],
- help="Add custom KEY=VALUE metadata to the image",
+ 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/registring images [Default: %s]" % token)
+ default=None, help="use this authentication token when "
+ "uploading/registering images")
parser.add_option("--print-sysprep", dest="print_sysprep", default=False,
help="print the enabled and disabled system preparation "
metavar="SYSPREP")
parser.add_option("--no-sysprep", dest="sysprep", default=True,
- help="don't perform system preperation",
+ help="don't perform any system preparation operation",
action="store_false")
parser.add_option("--no-shrink", dest="shrink", default=True,
help="don't shrink any partition", action="store_false")
+ parser.add_option("--public", dest="public", default=False,
+ help="register image with cyclades as public",
+ action="store_true")
+
+ parser.add_option("--tmpdir", dest="tmp", type="string", default=None,
+ help="create large temporary image files under DIR",
+ metavar="DIR")
+
options, args = parser.parse_args(input_args)
if len(args) != 1:
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.")
+ raise FatalError(
+ "Image uploading cannot be performed. "
+ "No authentication token is specified. Use -t to set a token")
+
+ if options.tmp is not None and not os.path.isdir(options.tmp):
+ raise FatalError("The directory `%s' specified with --tmpdir is not "
+ "valid" % options.tmp)
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)
+ raise FatalError("Metadata option: `%s' is not in KEY=VALUE "
+ "format." % m)
meta[key] = value
options.metadata = meta
for extension in ('', '.meta', '.md5sum'):
filename = "%s%s" % (options.outfile, extension)
if os.path.exists(filename):
- raise FatalError("Output file %s exists "
+ raise FatalError("Output file `%s' exists "
"(use --force to overwrite it)." % filename)
- disk = Disk(options.source, out)
- try:
- snapshot = disk.snapshot()
+ # Check if the authentication token is valid. The earlier the better
+ if options.token is not None:
+ try:
+ account = Kamaki.get_account(options.token)
+ if account is None:
+ raise FatalError("The authentication token you provided is not"
+ " valid!")
+ else:
+ kamaki = Kamaki(account, out)
+ except ClientError as e:
+ raise FatalError("Astakos client: %d %s" % (e.status, e.message))
- dev = disk.get_device(snapshot)
+ if options.upload and not options.force:
+ if kamaki.object_exists(options.upload):
+ raise FatalError("Remote pithos object `%s' exists "
+ "(use --force to overwrite it)." % options.upload)
+ if kamaki.object_exists("%s.md5sum" % options.upload):
+ raise FatalError("Remote pithos object `%s.md5sum' exists "
+ "(use --force to overwrite it)." % options.upload)
- # If no customization is to be applied, the image should be mounted ro
- readonly = not (options.sysprep or options.shrink)
- dev.mount(readonly)
+ if options.register and not options.force:
+ if kamaki.object_exists("%s.meta" % options.upload):
+ raise FatalError("Remote pithos object `%s.meta' exists "
+ "(use --force to overwrite it)." % options.upload)
- cls = os_cls(dev.distro, dev.ostype)
- image_os = cls(dev.root, dev.g, out)
- out.output()
+ disk = Disk(options.source, out, options.tmp)
+
+ def signal_handler(signum, frame):
+ disk.cleanup()
+
+ signal.signal(signal.SIGINT, signal_handler)
+ signal.signal(signal.SIGTERM, signal_handler)
+ try:
+ snapshot = disk.snapshot()
- for sysprep in options.disabled_syspreps:
- image_os.disable_sysprep(image_os.get_sysprep_by_name(sysprep))
+ image = disk.get_image(snapshot)
+
+ # If no customization is to be done, the image should be mounted ro
+ ro = (not (options.sysprep or options.shrink) or options.print_sysprep)
+ image.mount(ro)
+ try:
+ 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))
+ 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.print_sysprep:
+ image.os.print_syspreps()
+ out.output()
- if options.outfile is None and not options.upload:
- return 0
+ if options.outfile is None and not options.upload:
+ return 0
- if options.sysprep:
- image_os.do_sysprep()
+ if options.sysprep:
+ err_msg = "Unable to perform the system preparation tasks. " \
+ "Couldn't mount the media%s. Use --no-sysprep if you " \
+ "don't won't to perform any system preparation task."
+ if not image.mounted:
+ raise FatalError(err_msg % "")
+ elif image.mounted_ro:
+ raise FatalError(err_msg % " read-write")
+ image.os.do_sysprep()
- metadata = image_os.meta
- dev.umount()
+ metadata = image.os.meta
+ finally:
+ image.umount()
- size = options.shrink and dev.shrink() or dev.meta['SIZE']
- metadata.update(dev.meta)
+ size = options.shrink and image.shrink() or image.size
+ metadata.update(image.meta)
# Add command line metadata to the collected ones...
metadata.update(options.metadata)
md5 = MD5(out)
- checksum = md5.compute(snapshot, size)
+ checksum = md5.compute(image.device, 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)
+ image.dump(options.outfile)
- out.output('Dumping metadata file...', False)
+ 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)
+ 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)
+ # Destroy the image instance. We only need the snapshot from now on
+ disk.destroy_image(image)
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)
+ uploaded_obj = kamaki.upload(
+ f, size, options.upload,
+ "(1/3) Calculating block hashes",
+ "(2/3) Uploading missing blocks")
+ out.output("(3/3) Uploading md5sum file ...", False)
md5sumstr = '%s %s\n' % (checksum,
os.path.basename(options.upload))
kamaki.upload(StringIO.StringIO(md5sumstr),
out.output()
if options.register:
- out.output('Registring image to ~okeanos...', False)
- kamaki.register(options.register, uploaded_obj, metadata)
+ img_type = 'public' if options.public else 'private'
+ out.output('Registering %s image with ~okeanos ...' % img_type,
+ False)
+ kamaki.register(options.register, uploaded_obj, metadata,
+ options.public)
out.success('done')
+ out.output("Uploading metadata file ...", False)
+ kamaki.upload(StringIO.StringIO(metastring),
+ size=len(metastring),
+ remote_path="%s.%s" % (options.upload, 'meta'))
+ out.success('done')
+ if options.public:
+ out.output("Sharing md5sum file ...", False)
+ kamaki.share("%s.md5sum" % options.upload)
+ out.success('done')
+ out.output("Sharing metadata file ...", False)
+ kamaki.share("%s.meta" % options.upload)
+ out.success('done')
+
out.output()
except ClientError as e:
raise FatalError("Pithos client: %d %s" % (e.status, e.message))
finally:
- out.output('cleaning up...')
+ out.output('cleaning up ...')
disk.cleanup()
out.success("snf-image-creator exited without errors")