code.grnet.gr Git - snf-image-creator/blob - image_creator/dialog_menu.py

   1 #!/usr/bin/env python
   2
   3 # Copyright 2012 GRNET S.A. All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or
   6 # without modification, are permitted provided that the following
   7 # conditions are met:
   8 #
   9 #   1. Redistributions of source code must retain the above
  10 #      copyright notice, this list of conditions and the following
  11 #      disclaimer.
  12 #
  13 #   2. Redistributions in binary form must reproduce the above
  14 #      copyright notice, this list of conditions and the following
  15 #      disclaimer in the documentation and/or other materials
  16 #      provided with the distribution.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  19 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  22 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  25 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  28 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29 # POSSIBILITY OF SUCH DAMAGE.
  30 #
  31 # The views and conclusions contained in the software and
  32 # documentation are those of the authors and should not be
  33 # interpreted as representing official policies, either expressed
  34 # or implied, of GRNET S.A.
  35
  36 import sys
  37 import os
  38 import textwrap
  39 import StringIO
  40
  41 from image_creator import __version__ as version
  42 from image_creator.util import MD5
  43 from image_creator.output.dialog import GaugeOutput, InfoBoxOutput
  44 from image_creator.kamaki_wrapper import Kamaki, ClientError
  45 from image_creator.help import get_help_file
  46 from image_creator.dialog_util import SMALL_WIDTH, WIDTH, \
  47     update_background_title, confirm_reset, confirm_exit, Reset, extract_image
  48
  49 CONFIGURATION_TASKS = [
  50     ("Partition table manipulation", ["FixPartitionTable"],
  51         ["linux", "windows"]),
  52     ("File system resize",
  53         ["FilesystemResizeUnmounted", "FilesystemResizeMounted"],
  54         ["linux", "windows"]),
  55     ("Swap partition configuration", ["AddSwap"], ["linux"]),
  56     ("SSH keys removal", ["DeleteSSHKeys"], ["linux"]),
  57     ("Temporal RDP disabling", ["DisableRemoteDesktopConnections"],
  58         ["windows"]),
  59     ("SELinux relabeling at next boot", ["SELinuxAutorelabel"], ["linux"]),
  60     ("Hostname/Computer Name assignment", ["AssignHostname"],
  61         ["windows", "linux"]),
  62     ("Password change", ["ChangePassword"], ["windows", "linux"]),
  63     ("File injection", ["EnforcePersonality"], ["windows", "linux"])
  64 ]
  65
  66
  67 class metadata_monitor(object):
  68     def __init__(self, session, meta):
  69         self.session = session
  70         self.meta = meta
  71
  72     def __enter__(self):
  73         self.old = {}
  74         for (k, v) in self.meta.items():
  75             self.old[k] = v
  76
  77     def __exit__(self, type, value, traceback):
  78         d = self.session['dialog']
  79
  80         altered = {}
  81         added = {}
  82
  83         for (k, v) in self.meta.items():
  84             if k not in self.old:
  85                 added[k] = v
  86             elif self.old[k] != v:
  87                 altered[k] = v
  88
  89         if not (len(added) or len(altered)):
  90             return
  91
  92         msg = "The last action has changed some image properties:\n\n"
  93         if len(added):
  94             msg += "New image properties:\n"
  95             for (k, v) in added.items():
  96                 msg += '    %s: "%s"\n' % (k, v)
  97             msg += "\n"
  98         if len(altered):
  99             msg += "Updated image properties:\n"
 100             for (k, v) in altered.items():
 101                 msg += '    %s: "%s" -> "%s"\n' % (k, self.old[k], v)
 102             msg += "\n"
 103
 104         self.session['metadata'].update(added)
 105         self.session['metadata'].update(altered)
 106         d.msgbox(msg, title="Image Property Changes", width=SMALL_WIDTH)
 107
 108
 109 def extract_metadata_string(session):
 110     metadata = ['%s=%s' % (k, v) for (k, v) in session['metadata'].items()]
 111
 112     if 'task_metadata' in session:
 113         metadata.extend("%s=yes" % m for m in session['task_metadata'])
 114
 115     return '\n'.join(metadata) + '\n'
 116
 117
 118 def upload_image(session):
 119     d = session["dialog"]
 120     dev = session['device']
 121     size = dev.size
 122
 123     if "account" not in session:
 124         d.msgbox("You need to provide your ~okeanos login username before you "
 125                  "can upload images to pithos+", width=SMALL_WIDTH)
 126         return False
 127
 128     if "token" not in session:
 129         d.msgbox("You need to provide your ~okeanos account authentication "
 130                  "token before you can upload images to pithos+",
 131                  width=SMALL_WIDTH)
 132         return False
 133
 134     while 1:
 135         init = session["upload"] if "upload" in session else ''
 136         (code, answer) = d.inputbox("Please provide a filename:", init=init,
 137                                     width=WIDTH)
 138
 139         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 140             return False
 141
 142         filename = answer.strip()
 143         if len(filename) == 0:
 144             d.msgbox("Filename cannot be empty", width=SMALL_WIDTH)
 145             continue
 146         session['upload'] = filename
 147         break
 148
 149     gauge = GaugeOutput(d, "Image Upload", "Uploading...")
 150     try:
 151         out = dev.out
 152         out.add(gauge)
 153         try:
 154             if 'checksum' not in session:
 155                 md5 = MD5(out)
 156                 session['checksum'] = md5.compute(session['snapshot'], size)
 157
 158             kamaki = Kamaki(session['account'], session['token'], out)
 159             try:
 160                 # Upload image file
 161                 with open(session['snapshot'], 'rb') as f:
 162                     session["pithos_uri"] = \
 163                         kamaki.upload(f, size, filename,
 164                                       "Calculating block hashes",
 165                                       "Uploading missing blocks")
 166                 # Upload metadata file
 167                 out.output("Uploading metadata file...")
 168                 metastring = extract_metadata_string(session)
 169                 kamaki.upload(StringIO.StringIO(metastring),
 170                               size=len(metastring),
 171                               remote_path="%s.meta" % filename)
 172                 out.success("done")
 173
 174                 # Upload md5sum file
 175                 out.output("Uploading md5sum file...")
 176                 md5str = "%s %s\n" % (session['checksum'], filename)
 177                 kamaki.upload(StringIO.StringIO(md5str), size=len(md5str),
 178                               remote_path="%s.md5sum" % filename)
 179                 out.success("done")
 180
 181             except ClientError as e:
 182                 d.msgbox("Error in pithos+ client: %s" % e.message,
 183                          title="Pithos+ Client Error", width=SMALL_WIDTH)
 184                 if 'pithos_uri' in session:
 185                     del session['pithos_uri']
 186                 return False
 187         finally:
 188             out.remove(gauge)
 189     finally:
 190         gauge.cleanup()
 191
 192     d.msgbox("Image file `%s' was successfully uploaded to pithos+" % filename,
 193              width=SMALL_WIDTH)
 194
 195     return True
 196
 197
 198 def register_image(session):
 199     d = session["dialog"]
 200     dev = session['device']
 201
 202     if "account" not in session:
 203         d.msgbox("You need to provide your ~okeanos login username before you "
 204                  "can register an images to cyclades",
 205                  width=SMALL_WIDTH)
 206         return False
 207
 208     if "token" not in session:
 209         d.msgbox("You need to provide your ~okeanos account authentication "
 210                  "token before you can register an images to cyclades",
 211                  width=SMALL_WIDTH)
 212         return False
 213
 214     if "pithos_uri" not in session:
 215         d.msgbox("You need to upload the image to pithos+ before you can "
 216                  "register it to cyclades", width=SMALL_WIDTH)
 217         return False
 218
 219     while 1:
 220         (code, answer) = d.inputbox("Please provide a registration name:",
 221                                     width=WIDTH)
 222         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 223             return False
 224
 225         name = answer.strip()
 226         if len(name) == 0:
 227             d.msgbox("Registration name cannot be empty", width=SMALL_WIDTH)
 228             continue
 229         break
 230
 231     metadata = {}
 232     metadata.update(session['metadata'])
 233     if 'task_metadata' in session:
 234         for key in session['task_metadata']:
 235             metadata[key] = 'yes'
 236
 237     gauge = GaugeOutput(d, "Image Registration", "Registering image...")
 238     try:
 239         out = dev.out
 240         out.add(gauge)
 241         try:
 242             out.output("Registering image with Cyclades...")
 243             try:
 244                 kamaki = Kamaki(session['account'], session['token'], out)
 245                 kamaki.register(name, session['pithos_uri'], metadata)
 246                 out.success('done')
 247             except ClientError as e:
 248                 d.msgbox("Error in pithos+ client: %s" % e.message)
 249                 return False
 250         finally:
 251             out.remove(gauge)
 252     finally:
 253         gauge.cleanup()
 254
 255     d.msgbox("Image `%s' was successfully registered with Cyclades as `%s'" %
 256              (session['upload'], name), width=SMALL_WIDTH)
 257     return True
 258
 259
 260 def kamaki_menu(session):
 261     d = session['dialog']
 262     default_item = "Account"
 263
 264     account = Kamaki.get_account()
 265     if account:
 266         session['account'] = account
 267
 268     token = Kamaki.get_token()
 269     if token:
 270         session['token'] = token
 271
 272     while 1:
 273         account = session["account"] if "account" in session else "<none>"
 274         token = session["token"] if "token" in session else "<none>"
 275         upload = session["upload"] if "upload" in session else "<none>"
 276
 277         choices = [("Account", "Change your ~okeanos username: %s" % account),
 278                    ("Token", "Change your ~okeanos token: %s" % token),
 279                    ("Upload", "Upload image to pithos+"),
 280                    ("Register", "Register the image to cyclades: %s" % upload)]
 281
 282         (code, choice) = d.menu(
 283             text="Choose one of the following or press <Back> to go back.",
 284             width=WIDTH, choices=choices, cancel="Back", height=13,
 285             menu_height=5, default_item=default_item,
 286             title="Image Registration Menu")
 287
 288         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 289             return False
 290
 291         if choice == "Account":
 292             default_item = "Account"
 293             (code, answer) = d.inputbox(
 294                 "Please provide your ~okeanos account e-mail address:",
 295                 init=session["account"] if "account" in session else '',
 296                 width=WIDTH)
 297             if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 298                 continue
 299             if len(answer) == 0 and "account" in session:
 300                     del session["account"]
 301             else:
 302                 session["account"] = answer.strip()
 303                 Kamaki.save_account(session['account'])
 304                 default_item = "Token"
 305         elif choice == "Token":
 306             default_item = "Token"
 307             (code, answer) = d.inputbox(
 308                 "Please provide your ~okeanos account authetication token:",
 309                 init=session["token"] if "token" in session else '',
 310                 width=WIDTH)
 311             if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 312                 continue
 313             if len(answer) == 0 and "token" in session:
 314                 del session["token"]
 315             else:
 316                 session["token"] = answer.strip()
 317                 Kamaki.save_token(session['token'])
 318                 default_item = "Upload"
 319         elif choice == "Upload":
 320             if upload_image(session):
 321                 default_item = "Register"
 322             else:
 323                 default_item = "Upload"
 324         elif choice == "Register":
 325             if register_image(session):
 326                 return True
 327             else:
 328                 default_item = "Register"
 329
 330
 331 def add_property(session):
 332     d = session['dialog']
 333
 334     while 1:
 335         (code, answer) = d.inputbox("Please provide a name for a new image"
 336                                     " property:", width=WIDTH)
 337         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 338             return False
 339
 340         name = answer.strip()
 341         if len(name) == 0:
 342             d.msgbox("A property name cannot be empty", width=SMALL_WIDTH)
 343             continue
 344
 345         break
 346
 347     while 1:
 348         (code, answer) = d.inputbox("Please provide a value for image "
 349                                     "property %s" % name, width=WIDTH)
 350         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 351             return False
 352
 353         value = answer.strip()
 354         if len(value) == 0:
 355             d.msgbox("Value cannot be empty", width=SMALL_WIDTH)
 356             continue
 357
 358         break
 359
 360     session['metadata'][name] = value
 361
 362     return True
 363
 364
 365 def modify_properties(session):
 366     d = session['dialog']
 367
 368     while 1:
 369         choices = []
 370         for (key, val) in session['metadata'].items():
 371             choices.append((str(key), str(val)))
 372
 373         (code, choice) = d.menu(
 374             "In this menu you can edit existing image properties or add new "
 375             "ones. Be careful! Most properties have special meaning and "
 376             "alter the image deployment behaviour. Press <HELP> to see more "
 377             "information about image properties. Press <BACK> when done.",
 378             height=18, width=WIDTH, choices=choices, menu_height=10,
 379             ok_label="Edit", extra_button=1, extra_label="Add", cancel="Back",
 380             help_button=1, title="Image Properties")
 381
 382         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 383             return True
 384         # Edit button
 385         elif code == d.DIALOG_OK:
 386             (code, answer) = d.inputbox("Please provide a new value for the "
 387                                         "image property with name `%s':" %
 388                                         choice,
 389                                         init=session['metadata'][choice],
 390                                         width=WIDTH)
 391             if code not in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 392                 value = answer.strip()
 393                 if len(value) == 0:
 394                     d.msgbox("Value cannot be empty!")
 395                     continue
 396                 else:
 397                     session['metadata'][choice] = value
 398         # ADD button
 399         elif code == d.DIALOG_EXTRA:
 400             add_property(session)
 401         elif code == 'help':
 402             help_file = get_help_file("image_properties")
 403             assert os.path.exists(help_file)
 404             d.textbox(help_file, title="Image Properties", width=70, height=40)
 405
 406
 407 def delete_properties(session):
 408     d = session['dialog']
 409
 410     choices = []
 411     for (key, val) in session['metadata'].items():
 412         choices.append((key, "%s" % val, 0))
 413
 414     (code, to_delete) = d.checklist("Choose which properties to delete:",
 415                                     choices=choices, width=WIDTH)
 416
 417     # If the user exits with ESC or CANCEL, the returned tag list is empty.
 418     for i in to_delete:
 419         del session['metadata'][i]
 420
 421     cnt = len(to_delete)
 422     if cnt > 0:
 423         d.msgbox("%d image properties were deleted." % cnt, width=SMALL_WIDTH)
 424         return True
 425     else:
 426         return False
 427
 428
 429 def exclude_tasks(session):
 430     d = session['dialog']
 431
 432     index = 0
 433     displayed_index = 1
 434     choices = []
 435     mapping = {}
 436     if 'excluded_tasks' not in session:
 437         session['excluded_tasks'] = []
 438
 439     if -1 in session['excluded_tasks']:
 440         if not d.yesno("Image deployment configuration is disabled. "
 441                        "Do you wish to enable it?", width=SMALL_WIDTH):
 442             session['excluded_tasks'].remove(-1)
 443         else:
 444             return False
 445
 446     for (msg, task, osfamily) in CONFIGURATION_TASKS:
 447         if session['metadata']['OSFAMILY'] in osfamily:
 448             checked = 1 if index in session['excluded_tasks'] else 0
 449             choices.append((str(displayed_index), msg, checked))
 450             mapping[displayed_index] = index
 451             displayed_index += 1
 452         index += 1
 453
 454     while 1:
 455         (code, tags) = d.checklist(
 456             text="Please choose which configuration tasks you would like to "
 457                  "prevent from running during image deployment. "
 458                  "Press <No Config> to supress any configuration. "
 459                  "Press <Help> for more help on the image deployment "
 460                  "configuration tasks.",
 461             choices=choices, height=19, list_height=8, width=WIDTH,
 462             help_button=1, extra_button=1, extra_label="No Config",
 463             title="Exclude Configuration Tasks")
 464
 465         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 466             return False
 467         elif code == d.DIALOG_HELP:
 468             help_file = get_help_file("configuration_tasks")
 469             assert os.path.exists(help_file)
 470             d.textbox(help_file, title="Configuration Tasks",
 471                       width=70, height=40)
 472         # No Config button
 473         elif code == d.DIALOG_EXTRA:
 474             session['excluded_tasks'] = [-1]
 475             session['task_metadata'] = ["EXCLUDE_ALL_TASKS"]
 476             break
 477         elif code == d.DIALOG_OK:
 478             session['excluded_tasks'] = []
 479             for tag in tags:
 480                 session['excluded_tasks'].append(mapping[int(tag)])
 481
 482             exclude_metadata = []
 483             for task in session['excluded_tasks']:
 484                 exclude_metadata.extend(CONFIGURATION_TASKS[task][1])
 485
 486             session['task_metadata'] = map(lambda x: "EXCLUDE_TASK_%s" % x,
 487                                            exclude_metadata)
 488             break
 489
 490     return True
 491
 492
 493 def sysprep(session):
 494     d = session['dialog']
 495     image_os = session['image_os']
 496
 497     # Is the image already shrinked?
 498     if 'shrinked' in session and session['shrinked']:
 499         msg = "It seems you have shrinked the image. Running system " \
 500               "preparation tasks on a shrinked image is dangerous."
 501
 502         if d.yesno("%s\n\nDo you really want to continue?" % msg,
 503                    width=SMALL_WIDTH, defaultno=1):
 504             return
 505
 506     wrapper = textwrap.TextWrapper(width=WIDTH - 5)
 507
 508     help_title = "System Preperation Tasks"
 509     sysprep_help = "%s\n%s\n\n" % (help_title, '=' * len(help_title))
 510
 511     if 'exec_syspreps' not in session:
 512         session['exec_syspreps'] = []
 513
 514     all_syspreps = image_os.list_syspreps()
 515     # Only give the user the choice between syspreps that have not ran yet
 516     syspreps = [s for s in all_syspreps if s not in session['exec_syspreps']]
 517
 518     if len(syspreps) == 0:
 519         d.msgbox("No system preparation task available to run!",
 520                  title="System Preperation", width=SMALL_WIDTH)
 521         return
 522
 523     while 1:
 524         choices = []
 525         index = 0
 526         for sysprep in syspreps:
 527             name, descr = image_os.sysprep_info(sysprep)
 528             display_name = name.replace('-', ' ').capitalize()
 529             sysprep_help += "%s\n" % display_name
 530             sysprep_help += "%s\n" % ('-' * len(display_name))
 531             sysprep_help += "%s\n\n" % wrapper.fill(" ".join(descr.split()))
 532             enabled = 1 if sysprep.enabled else 0
 533             choices.append((str(index + 1), display_name, enabled))
 534             index += 1
 535
 536         (code, tags) = d.checklist(
 537             "Please choose which system preparation tasks you would like to "
 538             "run on the image. Press <Help> to see details about the system "
 539             "preparation tasks.", title="Run system preparation tasks",
 540             choices=choices, width=70, ok_label="Run", help_button=1)
 541
 542         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 543             return False
 544         elif code == d.DIALOG_HELP:
 545             d.scrollbox(sysprep_help, width=WIDTH)
 546         elif code == d.DIALOG_OK:
 547             # Enable selected syspreps and disable the rest
 548             for i in range(len(syspreps)):
 549                 if str(i + 1) in tags:
 550                     image_os.enable_sysprep(syspreps[i])
 551                     session['exec_syspreps'].append(syspreps[i])
 552                 else:
 553                     image_os.disable_sysprep(syspreps[i])
 554
 555             infobox = InfoBoxOutput(d, "Image Configuration")
 556             try:
 557                 dev = session['device']
 558                 dev.out.add(infobox)
 559                 try:
 560                     dev.mount(readonly=False)
 561                     try:
 562                         # The checksum is invalid. We have mounted the image rw
 563                         if 'checksum' in session:
 564                             del session['checksum']
 565
 566                         # Monitor the metadata changes during syspreps
 567                         with metadata_monitor(session, image_os.meta):
 568                             image_os.do_sysprep()
 569                             infobox.finalize()
 570
 571                         # Disable syspreps that have ran
 572                         for sysprep in session['exec_syspreps']:
 573                             image_os.disable_sysprep(sysprep)
 574                     finally:
 575                         dev.umount()
 576                 finally:
 577                     dev.out.remove(infobox)
 578             finally:
 579                 infobox.cleanup()
 580             break
 581     return True
 582
 583
 584 def shrink(session):
 585     d = session['dialog']
 586     dev = session['device']
 587
 588     shrinked = 'shrinked' in session and session['shrinked']
 589
 590     if shrinked:
 591         d.msgbox("The image is already shrinked!", title="Image Shrinking",
 592                  width=SMALL_WIDTH)
 593         return True
 594
 595     msg = "This operation will shrink the last partition of the image to " \
 596           "reduce the total image size. If the last partition is a swap " \
 597           "partition, then this partition is removed and the partition " \
 598           "before that is shrinked. The removed swap partition will be " \
 599           "recreated during image deployment."
 600
 601     if not d.yesno("%s\n\nDo you want to continue?" % msg, width=WIDTH,
 602                    height=12, title="Image Shrinking"):
 603         with metadata_monitor(session, dev.meta):
 604             infobox = InfoBoxOutput(d, "Image Shrinking", height=4)
 605             dev.out.add(infobox)
 606             try:
 607                 dev.shrink()
 608                 infobox.finalize()
 609             finally:
 610                 dev.out.remove(infobox)
 611
 612         session['shrinked'] = True
 613         update_background_title(session)
 614     else:
 615         return False
 616
 617     return True
 618
 619
 620 def customization_menu(session):
 621     d = session['dialog']
 622
 623     choices = [("Sysprep", "Run various image preparation tasks"),
 624                ("Shrink", "Shrink image"),
 625                ("View/Modify", "View/Modify image properties"),
 626                ("Delete", "Delete image properties"),
 627                ("Exclude", "Exclude various deployment tasks from running")]
 628
 629     default_item = 0
 630
 631     actions = {"Sysprep": sysprep,
 632                "Shrink": shrink,
 633                "View/Modify": modify_properties,
 634                "Delete": delete_properties,
 635                "Exclude": exclude_tasks}
 636     while 1:
 637         (code, choice) = d.menu(
 638             text="Choose one of the following or press <Back> to exit.",
 639             width=WIDTH, choices=choices, cancel="Back", height=13,
 640             menu_height=len(choices), default_item=choices[default_item][0],
 641             title="Image Customization Menu")
 642
 643         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 644             break
 645         elif choice in actions:
 646             default_item = [entry[0] for entry in choices].index(choice)
 647             if actions[choice](session):
 648                 default_item = (default_item + 1) % len(choices)
 649
 650
 651 def main_menu(session):
 652     d = session['dialog']
 653     dev = session['device']
 654
 655     update_background_title(session)
 656
 657     choices = [("Customize", "Customize image & ~okeanos deployment options"),
 658                ("Register", "Register image to ~okeanos"),
 659                ("Extract", "Dump image to local file system"),
 660                ("Reset", "Reset everything and start over again"),
 661                ("Help", "Get help for using snf-image-creator")]
 662
 663     default_item = "Customize"
 664
 665     actions = {"Customize": customization_menu, "Register": kamaki_menu,
 666                "Extract": extract_image}
 667     while 1:
 668         (code, choice) = d.menu(
 669             text="Choose one of the following or press <Exit> to exit.",
 670             width=WIDTH, choices=choices, cancel="Exit", height=13,
 671             default_item=default_item, menu_height=len(choices),
 672             title="Image Creator for ~okeanos (snf-image-creator version %s)" %
 673                   version)
 674
 675         if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
 676             if confirm_exit(d):
 677                 break
 678         elif choice == "Reset":
 679             if confirm_reset(d):
 680                 d.infobox("Resetting snf-image-creator. Please wait...",
 681                           width=SMALL_WIDTH)
 682                 raise Reset
 683         elif choice in actions:
 684             actions[choice](session)
 685
 686 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :