#!/usr/bin/env python
-# Copyright 2011 GRNET S.A. All rights reserved.
+# 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
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.output import Output, Output_wth_progress, Silent, \
- Silent_wth_colors, error
-from image_creator.os_type import get_os_class
-from image_creator.kamaki_wrapper import Kamaki
+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):
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")
+ 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("-s", "--silent", dest="silent", default=False,
- help="silent mode, only output errors", action="store_true")
+ 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")
+ 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")
+ 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/registring images [Default: %s]"\
- % account)
+ 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")
+ 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=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")
+ 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")
+ 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")
+ 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")
+ 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")
+ help="don't shrink any partition", action="store_false")
options, args = parser.parse_args(input_args)
if not os.path.exists(options.source):
raise FatalError("Input media `%s' is not accessible" % options.source)
- if options.register and options.upload == False:
+ 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.")
+ "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.")
+ "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)
+ raise FatalError("Metadata option: `%s' is not in "
+ "KEY=VALUE format." % m)
meta[key] = value
options.metadata = meta
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.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 = Silent_wth_colors() if sys.stdout.isatty() else Silent()
+ out = SilentOutput()
else:
- out = Output_wth_progress() if sys.stdout.isatty() else Output()
+ 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]))
+ 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)
+ "(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:
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, out)
+ # 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(sysprep)
+ image_os.disable_sysprep(image_os.get_sysprep_by_name(sysprep))
for sysprep in options.enabled_syspreps:
- image_os.enable_sysprep(sysprep)
+ image_os.enable_sysprep(image_os.get_sysprep_by_name(sysprep))
if options.print_sysprep:
image_os.print_syspreps()
metadata = image_os.meta
dev.umount()
- size = options.shrink and dev.shrink() or dev.meta['SIZE']
+ size = options.shrink and dev.shrink() or dev.size
metadata.update(dev.meta)
# Add command line metadata to the collected ones...
checksum = md5.compute(snapshot, size)
metastring = '\n'.join(
- ['%s=%s' % (key, value) for (key, value) in metadata.items()])
+ ['%s=%s' % (key, value) for (key, value) in metadata.items()])
metastring += '\n'
if options.outfile is not None:
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)))
+ 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()
-
- uploaded_obj = ""
- if options.upload:
- out.output("Uploading image to pithos:")
- kamaki = Kamaki(options.account, options.token, out)
- with open(snapshot) 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('Registring image to ~okeanos...', False)
- kamaki.register(options.register, uploaded_obj, metadata)
- out.success('done')
- 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...')
ret = image_creator()
sys.exit(ret)
except FatalError as e:
- if sys.stdout.isatty():
- error(e)
- else:
- error(e, True, False)
+ colored = sys.stderr.isatty()
+ SimpleOutput(colored).error(e)
sys.exit(1)
-
if __name__ == '__main__':
main()