X-Git-Url: https://code.grnet.gr/git/snf-image-creator/blobdiff_plain/9c354f13446f73458e52ac5bd7063f3e01dabbc7..29fd973e0da4b1bf61f76a7809b67b18ef9db195:/image_creator/main.py diff --git a/image_creator/main.py b/image_creator/main.py index 9996dd6..4b86f7c 100644 --- a/image_creator/main.py +++ b/image_creator/main.py @@ -34,12 +34,10 @@ # 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 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 @@ -64,11 +62,6 @@ def parse_options(input_args): usage = "Usage: %prog [options] " 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", @@ -79,7 +72,7 @@ def parse_options(input_args): 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", @@ -92,17 +85,13 @@ def parse_options(input_args): 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", + 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) + 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 " @@ -118,12 +107,20 @@ def parse_options(input_args): metavar="SYSPREP") parser.add_option("--no-sysprep", dest="sysprep", default=True, - help="don't perform system preparation", + 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: @@ -136,22 +133,22 @@ def parse_options(input_args): 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 @@ -185,9 +182,19 @@ def image_creator(): filename = "%s%s" % (options.outfile, extension) if os.path.exists(filename): raise FatalError("Output file %s exists " - "(use --force to overwrite it)." % filename) + "(use --force to overwrite it)" % filename) - disk = Disk(options.source, out) + # 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!") + except ClientError as e: + raise FatalError("Astakos client: %d %s" % (e.status, e.message)) + + disk = Disk(options.source, out, options.tmp) def signal_handler(signum, frame): disk.cleanup() @@ -197,85 +204,80 @@ def image_creator(): try: snapshot = disk.snapshot() - dev = disk.get_device(snapshot) + image = disk.get_image(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)) + 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: + 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.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) + kamaki = Kamaki(account, 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") + 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) + 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) + out.output("(4/4) Uploading md5sum file ...", False) md5sumstr = '%s %s\n' % (checksum, os.path.basename(options.upload)) kamaki.upload(StringIO.StringIO(md5sumstr), @@ -285,15 +287,18 @@ def image_creator(): out.output() if options.register: - out.output('Registering image with ~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() 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")