import dialog
import sys
import os
+import stat
import textwrap
import signal
-import StringIO
+import optparse
from image_creator import __version__ as version
-from image_creator.util import FatalError, MD5
-from image_creator.output.dialog import InitializationOutput, GaugeOutput
+from image_creator.util import FatalError
+from image_creator.output import Output
+from image_creator.output.cli import SimpleOutput
+from image_creator.output.dialog import GaugeOutput
+from image_creator.output.composite import CompositeOutput
from image_creator.disk import Disk
from image_creator.os_type import os_cls
-from image_creator.kamaki_wrapper import Kamaki, ClientError
+from image_creator.dialog_wizard import wizard
+from image_creator.dialog_menu import main_menu
+from image_creator.dialog_util import SMALL_WIDTH, WIDTH, confirm_exit, \
+ Reset, update_background_title
-MSGBOX_WIDTH = 60
-YESNO_WIDTH = 50
-MENU_WIDTH = 70
-INPUTBOX_WIDTH=70
+def image_creator(d, media, out, tmp):
-class Reset(Exception):
- pass
+ d.setBackgroundTitle('snf-image-creator')
+ gauge = GaugeOutput(d, "Initialization", "Initializing...")
+ out.add(gauge)
+ disk = Disk(media, out, tmp)
-def confirm_exit(d, msg=''):
- return not d.yesno("%s Do you want to exit?" % msg, width=YESNO_WIDTH)
-
-
-def confirm_reset(d):
- return not d.yesno(
- "Are you sure you want to reset everything?",
- width=YESNO_WIDTH)
-
-def extract_image(session):
- d = session['dialog']
- dir = os.getcwd()
- while 1:
- if dir and dir[-1] != os.sep:
- dir = dir + os.sep
-
- (code, path) = d.fselect(dir, 10, 50, title="Save image as...")
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- return False
-
- if os.path.isdir(path):
- dir=path
- continue
-
- if os.path.isdir("%s.meta" % path):
- d.msgbox("Can't overwrite directory `%s.meta'" % path,
- width=MSGBOX_WIDTH)
- continue
-
- if os.path.isdir("%s.md5sum" % path):
- d.msgbox("Can't overwrite directory `%s.md5sum'" % path,
- width=MSGBOX_WIDTH)
- continue
-
- basedir = os.path.dirname(path)
- name = os.path.basename(path)
- if not os.path.exists(basedir):
- d.msgbox("Directory `%s' does not exist" % basedir,
- width=MSGBOX_WIDTH)
- continue
-
- dir = basedir
- if len(name) == 0:
- continue
-
- files = ["%s%s" % (path, ext) for ext in ('', '.meta', '.md5sum')]
- overwrite = filter(os.path.exists, files)
-
- if len(overwrite) > 0:
- if d.yesno("The following file(s) exist:\n"
- "%s\nDo you want to overwrite them?" %
- "\n".join(overwrite), width=YESNO_WIDTH):
- continue
-
- out = GaugeOutput(d, "Image Extraction", "Extracting image...")
- try:
- dev = session['device']
- if "checksum" not in session:
- size = dev.meta['SIZE']
- md5 = MD5(out)
- session['checksum'] = md5.compute(session['snapshot'], size)
-
- # Extract image file
- dev.out = out
- dev.dump(path)
-
- # Extract metadata file
- out.output("Extracting metadata file...")
- metastring = '\n'.join(
- ['%s=%s' % (k, v) for (k, v) in session['metadata'].items()])
- metastring += '\n'
- with open('%s.meta' % path, 'w') as f:
- f.write(metastring)
- out.success('done')
-
- # Extract md5sum file
- out.output("Extracting md5sum file...")
- md5str = "%s %s\n" % (session['checksum'], name)
- with open('%s.md5sum' % path, 'w') as f:
- f.write(md5str)
- out.success("done")
-
- finally:
- out.cleanup()
- d.msgbox("Image file `%s' was successfully extracted!" % path,
- width=MSGBOX_WIDTH)
- break
-
- return True
-
-
-def upload_image(session):
- d = session["dialog"]
- size = session['device'].meta['SIZE']
-
- if "account" not in session:
- d.msgbox("You need to provide your ~okeanos login username before you "
- "can upload images to pithos+", width=MSGBOX_WIDTH)
- return False
-
- if "token" not in session:
- d.msgbox("You need to provide your ~okeanos account authentication "
- "token before you can upload images to pithos+",
- width=MSGBOX_WIDTH)
- return False
+ def signal_handler(signum, frame):
+ gauge.cleanup()
+ disk.cleanup()
- while 1:
- init=session["upload"] if "upload" in session else ''
- (code, answer) = d.inputbox("Please provide a filename:", init=init,
- width=INPUTBOX_WIDTH)
-
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- return False
-
- filename = answer.strip()
- if len(filename) == 0:
- d.msgbox("Filename cannot be empty", width=MSGBOX_WIDTH)
- continue
-
- break
-
- out = GaugeOutput(d, "Image Upload", "Uploading...")
- if 'checksum' not in session:
- md5 = MD5(out)
- session['checksum'] = md5.compute(session['snapshot'], size)
+ signal.signal(signal.SIGINT, signal_handler)
+ signal.signal(signal.SIGTERM, signal_handler)
try:
- kamaki = Kamaki(session['account'], session['token'], out)
- try:
- # Upload image file
- with open(session['snapshot'], 'rb') as f:
- session["upload"] = kamaki.upload(f, size, filename,
- "Calculating block hashes",
- "Uploading missing blocks")
- # Upload metadata file
- out.output("Uploading metadata file...")
- metastring = '\n'.join(
- ['%s=%s' % (k, v) for (k, v) in session['metadata'].items()])
- metastring += '\n'
- kamaki.upload(StringIO.StringIO(metastring), size=len(metastring),
- remote_path="%s.meta" % filename)
- out.success("done")
-
- # Upload md5sum file
- out.output("Uploading md5sum file...")
- md5str = "%s %s\n" % (session['checksum'], filename)
- kamaki.upload(StringIO.StringIO(md5str), size=len(md5str),
- remote_path="%s.md5sum" % filename)
- out.success("done")
-
- except ClientError as e:
- d.msgbox("Error in pithos+ client: %s" % e.message,
- title="Pithos+ Client Error", width=MSGBOX_WIDTH)
- if 'upload' in session:
- del session['upload']
- return False
- finally:
- out.cleanup()
+ snapshot = disk.snapshot()
+ dev = disk.get_device(snapshot)
- d.msgbox("Image file `%s' was successfully uploaded to pithos+" % filename,
- width=MSGBOX_WIDTH)
- return True
+ metadata = {}
+ for (key, value) in dev.meta.items():
+ metadata[str(key)] = str(value)
+ dev.mount(readonly=True)
+ out.output("Collecting image metadata...")
+ cls = os_cls(dev.distro, dev.ostype)
+ image_os = cls(dev.root, dev.g, out)
+ dev.umount()
-def register_image(session):
- d = session["dialog"]
+ for (key, value) in image_os.meta.items():
+ metadata[str(key)] = str(value)
- if "account" not in session:
- d.msgbox("You need to provide your ~okeanos login username before you "
- "can register an images to cyclades",
- width=MSGBOX_WIDTH)
- return False
+ out.success("done")
+ gauge.cleanup()
+ out.remove(gauge)
- if "token" not in session:
- d.msgbox("You need to provide your ~okeanos account authentication "
- "token before you can register an images to cyclades",
- width=MSGBOX_WIDTH)
- return False
+ # Make sure the signal handler does not call gauge.cleanup again
+ def dummy(self):
+ pass
+ gauge.cleanup = type(GaugeOutput.cleanup)(dummy, gauge, GaugeOutput)
- if "upload" not in session:
- d.msgbox("You need to have an image uploaded to pithos+ before you "
- "can register it to cyclades",
- width=MSGBOX_WIDTH)
- return False
+ session = {"dialog": d,
+ "disk": disk,
+ "snapshot": snapshot,
+ "device": dev,
+ "image_os": image_os,
+ "metadata": metadata}
- while 1:
- (code, answer) = d.inputbox("Please provide a registration name:"
- " be registered:", width=INPUTBOX_WIDTH)
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- return False
+ msg = "snf-image-creator detected a %s system on the input media. " \
+ "Would you like to run a wizard to assist you through the " \
+ "image creation process?\n\nChoose <Wizard> to run the wizard," \
+ " <Expert> to run the snf-image-creator in expert mode or " \
+ "press ESC to quit the program." \
+ % (dev.ostype if dev.ostype == dev.distro else "%s (%s)" %
+ (dev.ostype, dev.distro))
+
+ update_background_title(session)
+
+ while True:
+ code = d.yesno(msg, width=WIDTH, height=12, yes_label="Wizard",
+ no_label="Expert")
+ if code == d.DIALOG_OK:
+ if wizard(session):
+ break
+ elif code == d.DIALOG_CANCEL:
+ main_menu(session)
+ break
- name = answer.strip()
- if len(name) == 0:
- d.msgbox("Registration name cannot be empty", width=MSGBOX_WIDTH)
- continue
- break
+ if confirm_exit(d):
+ break
- out = GaugeOutput(d, "Image Registration", "Registrating image...")
- try:
- out.output("Registring image to cyclades...")
- try:
- kamaki = Kamaki(session['account'], session['token'], out)
- kamaki.register(name, session['upload'], session['metadata'])
- out.success('done')
- except ClientError as e:
- d.msgbox("Error in pithos+ client: %s" % e.message)
- return False
+ d.infobox("Thank you for using snf-image-creator. Bye", width=53)
finally:
- out.cleanup()
-
- d.msgbox("Image `%s' was successfully registered to cyclades as `%s'" %
- (session['upload'], name), width=MSGBOX_WIDTH)
- return True
-
+ disk.cleanup()
-def kamaki_menu(session):
- d = session['dialog']
- default_item = "Account"
- while 1:
- account = session["account"] if "account" in session else "<none>"
- token = session["token"] if "token" in session else "<none>"
- upload = session["upload"] if "upload" in session else "<none>"
- (code, choice) = d.menu(
- "Choose one of the following or press <Back> to go back.",
- width=MENU_WIDTH,
- choices=[("Account", "Change your ~okeanos username: %s" %
- account),
- ("Token", "Change your ~okeanos token: %s" % token),
- ("Upload", "Upload image to pithos+"),
- ("Register", "Register image to cyclades: %s" % upload)],
- cancel="Back",
- default_item=default_item,
- title="Image Registration Menu")
+ return 0
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- return False
-
- if choice == "Account":
- default_item = "Account"
- (code, answer) = d.inputbox(
- "Please provide your ~okeanos account e-mail address:",
- init=session["account"] if "account" in session else '',
- width=70)
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- continue
- if len(answer) == 0 and "account" in session:
- del session["account"]
- else:
- session["account"] = answer.strip()
- default_item = "Token"
- elif choice == "Token":
- default_item = "Token"
- (code, answer) = d.inputbox(
- "Please provide your ~okeanos account authetication token:",
- init=session["token"] if "token" in session else '',
- width=70)
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- continue
- if len(answer) == 0 and "token" in session:
- del session["token"]
- else:
- session["token"] = answer.strip()
- default_item = "Upload"
- elif choice == "Upload":
- if upload_image(session):
- default_item = "Register"
- else:
- default_item = "Upload"
- elif choice == "Register":
- if register_image(session):
- return True
- else:
- default_item = "Register"
+def select_file(d, media):
-def main_menu(session):
- d = session['dialog']
- dev = session['device']
- d.setBackgroundTitle("OS: %s, Distro: %s" % (dev.ostype, dev.distro))
- actions = {"Register": kamaki_menu, "Extract": extract_image}
- default_item = "Customize"
+ if media == '/':
+ return '/'
+ default = os.getcwd() + os.sep
while 1:
- (code, choice) = d.menu(
- "Choose one of the following or press <Exit> to exit.",
- width=MENU_WIDTH,
- choices=[("Customize", "Run various image customization tasks"),
- ("Deploy", "Configure ~okeanos image deployment options"),
- ("Register", "Register image to ~okeanos"),
- ("Extract", "Dump image to local file system"),
- ("Reset", "Reset everything and start over again"),
- ("Help", "Get help for using snf-image-creator")],
- cancel="Exit",
- default_item=default_item,
- title="Image Creator for ~okeanos (snf-image-creator version %s)" %
- version)
-
- if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
- if confirm_exit(d):
- break
+ if media is not None:
+ if not os.path.exists(media):
+ d.msgbox("The file `%s' you choose does not exist." % media,
+ width=SMALL_WIDTH)
else:
- continue
-
- if choice == "Reset":
- if confirm_reset(d):
- d.infobox("Resetting snf-image-creator. Please wait...")
- raise Reset
- else:
- continue
- elif choice in actions:
- actions[choice](session)
-
-
-def select_file(d):
- root = os.sep
- while 1:
- (code, path) = d.fselect(root, 10, 50,
- title="Please select input media")
+ mode = os.stat(media).st_mode
+ if not stat.S_ISDIR(mode):
+ break
+ default = media
+
+ (code, media) = d.fselect(default, 10, 60, extra_button=1,
+ title="Please select an input media.",
+ extra_label="Bundle Host")
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
if confirm_exit(d, "You canceled the media selection dialog box."):
sys.exit(0)
else:
+ media = None
continue
+ elif code == d.DIALOG_EXTRA:
+ return '/'
- if not os.path.exists(path):
- d.msgbox("The file you choose does not exist", width=MSGBOX_WIDTH)
- continue
- else:
- break
+ return media
- return path
+def main():
-def collect_metadata(dev, out):
+ d = dialog.Dialog(dialog="dialog")
- out.output("Collecting image metadata...")
- metadata = dev.meta
- dev.mount(readonly=True)
- cls = os_cls(dev.distro, dev.ostype)
- image_os = cls(dev.root, dev.g, out)
- dev.umount()
- metadata.update(image_os.meta)
- out.success("done")
+ # Add extra button in dialog library
+ dialog._common_args_syntax["extra_button"] = \
+ lambda enable: dialog._simple_option("--extra-button", enable)
- return metadata
+ dialog._common_args_syntax["extra_label"] = \
+ lambda string: ("--extra-label", string)
+ # Allow yes-no label overwriting
+ dialog._common_args_syntax["yes_label"] = \
+ lambda string: ("--yes-label", string)
-def image_creator(d):
- basename = os.path.basename(sys.argv[0])
- usage = "Usage: %s [input_media]" % basename
- if len(sys.argv) > 2:
- sys.stderr.write("%s\n" % usage)
- return 1
+ dialog._common_args_syntax["no_label"] = \
+ lambda string: ("--no-label", string)
- if os.geteuid() != 0:
- raise FatalError("You must run %s as root" % basename)
+ usage = "Usage: %prog [options] [<input_media>]"
+ parser = optparse.OptionParser(version=version, usage=usage)
+ parser.add_option("-l", "--logfile", type="string", dest="logfile",
+ default=None, help="log all messages to FILE",
+ metavar="FILE")
+ parser.add_option("--tmpdir", type="string", dest="tmp", default=None,
+ help="create large temporary image files under DIR",
+ metavar="DIR")
- media = sys.argv[1] if len(sys.argv) == 2 else select_file(d)
+ options, args = parser.parse_args(sys.argv[1:])
- out = InitializationOutput(d)
- disk = Disk(media, out)
+ if len(args) > 1:
+ parser.error("Wrong number of arguments")
- def signal_handler(signum, fram):
- out.cleanup()
- disk.cleanup()
+ d.setBackgroundTitle('snf-image-creator')
- signal.signal(signal.SIGINT, signal_handler)
try:
- snapshot = disk.snapshot()
- dev = disk.get_device(snapshot)
+ if os.geteuid() != 0:
+ raise FatalError("You must run %s as root" %
+ parser.get_prog_name())
- metadata = collect_metadata(dev, out)
- out.cleanup()
+ 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)
- # Make sure the signal handler does not call out.cleanup again
- def dummy(self):
- pass
- instancemethod = type(InitializationOutput.cleanup)
- out.cleanup = instancemethod(dummy, out, InitializationOutput)
-
- session = {"dialog": d,
- "disk": disk,
- "snapshot": snapshot,
- "device": dev,
- "metadata": metadata}
-
- main_menu(session)
- d.infobox("Thank you for using snf-image-creator. Bye", width=53)
- finally:
- disk.cleanup()
-
- return 0
-
-
-def main():
+ logfile = None
+ if options.logfile is not None:
+ try:
+ logfile = open(options.logfile, 'w')
+ except IOError as e:
+ raise FatalError(
+ "Unable to open logfile `%s' for writing. Reason: %s" %
+ (options.logfile, e.strerror))
- d = dialog.Dialog(dialog="dialog")
+ media = select_file(d, args[0] if len(args) == 1 else None)
- while 1:
try:
- try:
- ret = image_creator(d)
- sys.exit(ret)
- except FatalError as e:
- msg = textwrap.fill(str(e), width=70)
- d.infobox(msg, width=70, title="Fatal Error")
- sys.exit(1)
- except Reset:
- continue
+ log = SimpleOutput(False, logfile) if logfile is not None \
+ else Output()
+ while 1:
+ try:
+ out = CompositeOutput([log])
+ out.output("Starting %s v%s..." %
+ (parser.get_prog_name(), version))
+ ret = image_creator(d, media, out, options.tmp)
+ sys.exit(ret)
+ except Reset:
+ log.output("Resetting everything...")
+ continue
+ finally:
+ if logfile is not None:
+ logfile.close()
+ except FatalError as e:
+ msg = textwrap.fill(str(e), width=WIDTH)
+ d.infobox(msg, width=WIDTH, title="Fatal Error")
+ sys.exit(1)
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
projects / snf-image-creator / blobdiff