root / image_creator / dialog_menu.py @ f5174d2c
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#!/usr/bin/env python
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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import os |
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import textwrap |
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import StringIO |
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from image_creator import __version__ as version |
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from image_creator.util import MD5 |
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from image_creator.output.dialog import GaugeOutput, InfoBoxOutput |
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from image_creator.kamaki_wrapper import Kamaki, ClientError |
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from image_creator.help import get_help_file |
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from image_creator.dialog_util import SMALL_WIDTH, WIDTH, \ |
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update_background_title, confirm_reset, confirm_exit, Reset, \ |
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extract_image, extract_metadata_string |
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CONFIGURATION_TASKS = [ |
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("Partition table manipulation", ["FixPartitionTable"], |
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["linux", "windows"]), |
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("File system resize",
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["FilesystemResizeUnmounted", "FilesystemResizeMounted"], |
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["linux", "windows"]), |
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("Swap partition configuration", ["AddSwap"], ["linux"]), |
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("SSH keys removal", ["DeleteSSHKeys"], ["linux"]), |
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("Temporal RDP disabling", ["DisableRemoteDesktopConnections"], |
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["windows"]),
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("SELinux relabeling at next boot", ["SELinuxAutorelabel"], ["linux"]), |
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("Hostname/Computer Name assignment", ["AssignHostname"], |
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["windows", "linux"]), |
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("Password change", ["ChangePassword"], ["windows", "linux"]), |
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("File injection", ["EnforcePersonality"], ["windows", "linux"]) |
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] |
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|
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class MetadataMonitor(object): |
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def __init__(self, session, meta): |
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self.session = session
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self.meta = meta
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def __enter__(self): |
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self.old = {}
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for (k, v) in self.meta.items(): |
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self.old[k] = v
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def __exit__(self, type, value, traceback): |
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d = self.session['dialog'] |
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altered = {} |
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added = {} |
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for (k, v) in self.meta.items(): |
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if k not in self.old: |
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added[k] = v |
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elif self.old[k] != v: |
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altered[k] = v |
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if not (len(added) or len(altered)): |
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return
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msg = "The last action has changed some image properties:\n\n"
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if len(added): |
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msg += "New image properties:\n"
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for (k, v) in added.items(): |
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msg += ' %s: "%s"\n' % (k, v)
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msg += "\n"
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if len(altered): |
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msg += "Updated image properties:\n"
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for (k, v) in altered.items(): |
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msg += ' %s: "%s" -> "%s"\n' % (k, self.old[k], v) |
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msg += "\n"
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self.session['metadata'].update(added) |
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self.session['metadata'].update(altered) |
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d.msgbox(msg, title="Image Property Changes", width=SMALL_WIDTH)
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def upload_image(session): |
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d = session["dialog"]
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image = session['image']
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meta = session['metadata']
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size = image.size |
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if "account" not in session: |
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d.msgbox("You need to provide your ~okeanos credentials before you "
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"can upload images to pithos+", width=SMALL_WIDTH)
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return False |
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while 1: |
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if 'upload' in session: |
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init = session['upload']
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elif 'OS' in meta: |
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init = "%s.diskdump" % meta['OS'] |
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else:
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init = ""
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(code, answer) = d.inputbox("Please provide a filename:", init=init,
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width=WIDTH) |
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return False |
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filename = answer.strip() |
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if len(filename) == 0: |
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d.msgbox("Filename cannot be empty", width=SMALL_WIDTH)
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continue
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session['upload'] = filename
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break
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gauge = GaugeOutput(d, "Image Upload", "Uploading...") |
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try:
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out = image.out |
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out.add(gauge) |
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try:
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if 'checksum' not in session: |
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md5 = MD5(out) |
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session['checksum'] = md5.compute(image.device, size)
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kamaki = Kamaki(session['account'], out)
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try:
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# Upload image file
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with open(image.device, 'rb') as f: |
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session["pithos_uri"] = \
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kamaki.upload(f, size, filename, |
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"Calculating block hashes",
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"Uploading missing blocks")
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# Upload metadata file
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out.output("Uploading metadata file...")
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metastring = extract_metadata_string(session) |
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kamaki.upload(StringIO.StringIO(metastring), |
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size=len(metastring),
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remote_path="%s.meta" % filename)
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out.success("done")
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# Upload md5sum file
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out.output("Uploading md5sum file...")
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md5str = "%s %s\n" % (session['checksum'], filename) |
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kamaki.upload(StringIO.StringIO(md5str), size=len(md5str),
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remote_path="%s.md5sum" % filename)
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out.success("done")
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except ClientError as e: |
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d.msgbox("Error in pithos+ client: %s" % e.message,
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title="Pithos+ Client Error", width=SMALL_WIDTH)
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if 'pithos_uri' in session: |
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del session['pithos_uri'] |
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return False |
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finally:
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out.remove(gauge) |
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finally:
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gauge.cleanup() |
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d.msgbox("Image file `%s' was successfully uploaded to pithos+" % filename,
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width=SMALL_WIDTH) |
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return True |
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def register_image(session): |
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d = session["dialog"]
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is_public = False
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if "account" not in session: |
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d.msgbox("You need to provide your ~okeanos credentians before you "
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"can register an images with cyclades", width=SMALL_WIDTH)
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return False |
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if "pithos_uri" not in session: |
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d.msgbox("You need to upload the image to pithos+ before you can "
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"register it with cyclades", width=SMALL_WIDTH)
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return False |
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while 1: |
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(code, answer) = d.inputbox("Please provide a registration name:",
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width=WIDTH) |
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return False |
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name = answer.strip() |
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if len(name) == 0: |
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d.msgbox("Registration name cannot be empty", width=SMALL_WIDTH)
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continue
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ret = d.yesno("Make the image public?\\nA public image is accessible "
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"by every user of the service.", defaultno=1, |
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width=WIDTH) |
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if ret not in (0, 1): |
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continue
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is_public = True if ret == 0 else False |
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break
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metadata = {} |
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metadata.update(session['metadata'])
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if 'task_metadata' in session: |
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for key in session['task_metadata']: |
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metadata[key] = 'yes'
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img_type = "public" if is_public else "private" |
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gauge = GaugeOutput(d, "Image Registration", "Registering image...") |
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try:
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out = session['image'].out
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out.add(gauge) |
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try:
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out.output("Registering %s image with Cyclades..." % img_type)
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try:
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kamaki = Kamaki(session['account'], out)
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kamaki.register(name, session['pithos_uri'], metadata,
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is_public) |
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out.success('done')
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except ClientError as e: |
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d.msgbox("Error in pithos+ client: %s" % e.message)
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return False |
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finally:
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out.remove(gauge) |
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finally:
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gauge.cleanup() |
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d.msgbox("%s image `%s' was successfully registered with Cyclades as `%s'"
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% (img_type.title(), session['upload'], name), width=SMALL_WIDTH)
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return True |
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def kamaki_menu(session): |
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d = session['dialog']
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default_item = "Account"
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if 'account' not in session: |
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token = Kamaki.get_token() |
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if token:
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session['account'] = Kamaki.get_account(token)
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if not session['account']: |
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del session['account'] |
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Kamaki.save_token('') # The token was not valid. Remove it |
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while 1: |
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account = session["account"]['username'] if "account" in session else \ |
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"<none>"
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upload = session["upload"] if "upload" in session else "<none>" |
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choices = [("Account", "Change your ~okeanos account: %s" % account), |
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("Upload", "Upload image to pithos+"), |
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("Register", "Register the image to cyclades: %s" % upload)] |
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(code, choice) = d.menu( |
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text="Choose one of the following or press <Back> to go back.",
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width=WIDTH, choices=choices, cancel="Back", height=13, |
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menu_height=5, default_item=default_item,
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title="Image Registration Menu")
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return False |
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if choice == "Account": |
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default_item = "Account"
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(code, answer) = d.inputbox( |
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"Please provide your ~okeanos authentication token:",
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init=session["account"]['auth_token'] if "account" in session |
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else '', width=WIDTH) |
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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continue
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if len(answer) == 0 and "account" in session: |
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del session["account"] |
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else:
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token = answer.strip() |
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session['account'] = Kamaki.get_account(token)
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if session['account'] is not None: |
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Kamaki.save_token(token) |
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default_item = "Upload"
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else:
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del session['account'] |
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d.msgbox("The token you provided is not valid!",
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width=SMALL_WIDTH) |
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elif choice == "Upload": |
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if upload_image(session):
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default_item = "Register"
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else:
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default_item = "Upload"
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elif choice == "Register": |
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if register_image(session):
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return True |
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else:
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default_item = "Register"
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def add_property(session): |
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d = session['dialog']
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while 1: |
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(code, answer) = d.inputbox("Please provide a name for a new image"
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" property:", width=WIDTH)
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return False |
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name = answer.strip() |
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if len(name) == 0: |
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d.msgbox("A property name cannot be empty", width=SMALL_WIDTH)
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continue
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break
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while 1: |
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(code, answer) = d.inputbox("Please provide a value for image "
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"property %s" % name, width=WIDTH)
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return False |
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value = answer.strip() |
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if len(value) == 0: |
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d.msgbox("Value cannot be empty", width=SMALL_WIDTH)
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continue
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break
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session['metadata'][name] = value
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return True |
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def modify_properties(session): |
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d = session['dialog']
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|
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while 1: |
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choices = [] |
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for (key, val) in session['metadata'].items(): |
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choices.append((str(key), str(val))) |
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(code, choice) = d.menu( |
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"In this menu you can edit existing image properties or add new "
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"ones. Be careful! Most properties have special meaning and "
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"alter the image deployment behaviour. Press <HELP> to see more "
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"information about image properties. Press <BACK> when done.",
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height=18, width=WIDTH, choices=choices, menu_height=10, |
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ok_label="Edit", extra_button=1, extra_label="Add", cancel="Back", |
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help_button=1, title="Image Properties") |
368 |
|
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return True |
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# Edit button
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elif code == d.DIALOG_OK:
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(code, answer) = d.inputbox("Please provide a new value for the "
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"image property with name `%s':" %
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choice, |
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init=session['metadata'][choice],
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width=WIDTH) |
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if code not in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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value = answer.strip() |
380 |
if len(value) == 0: |
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d.msgbox("Value cannot be empty!")
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continue
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else:
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session['metadata'][choice] = value
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# ADD button
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elif code == d.DIALOG_EXTRA:
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add_property(session) |
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elif code == 'help': |
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help_file = get_help_file("image_properties")
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assert os.path.exists(help_file)
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d.textbox(help_file, title="Image Properties", width=70, height=40) |
392 |
|
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|
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def delete_properties(session): |
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d = session['dialog']
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|
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choices = [] |
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for (key, val) in session['metadata'].items(): |
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choices.append((key, "%s" % val, 0)) |
400 |
|
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(code, to_delete) = d.checklist("Choose which properties to delete:",
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choices=choices, width=WIDTH) |
403 |
|
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# If the user exits with ESC or CANCEL, the returned tag list is empty.
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for i in to_delete: |
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del session['metadata'][i] |
407 |
|
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cnt = len(to_delete)
|
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if cnt > 0: |
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d.msgbox("%d image properties were deleted." % cnt, width=SMALL_WIDTH)
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return True |
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else:
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return False |
414 |
|
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|
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def exclude_tasks(session): |
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d = session['dialog']
|
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|
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index = 0
|
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displayed_index = 1
|
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choices = [] |
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mapping = {} |
423 |
if 'excluded_tasks' not in session: |
424 |
session['excluded_tasks'] = []
|
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|
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if -1 in session['excluded_tasks']: |
427 |
if not d.yesno("Image deployment configuration is disabled. " |
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"Do you wish to enable it?", width=SMALL_WIDTH):
|
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session['excluded_tasks'].remove(-1) |
430 |
else:
|
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return False |
432 |
|
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for (msg, task, osfamily) in CONFIGURATION_TASKS: |
434 |
if session['metadata']['OSFAMILY'] in osfamily: |
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checked = 1 if index in session['excluded_tasks'] else 0 |
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choices.append((str(displayed_index), msg, checked))
|
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mapping[displayed_index] = index |
438 |
displayed_index += 1
|
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index += 1
|
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|
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while 1: |
442 |
(code, tags) = d.checklist( |
443 |
text="Please choose which configuration tasks you would like to "
|
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"prevent from running during image deployment. "
|
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"Press <No Config> to supress any configuration. "
|
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"Press <Help> for more help on the image deployment "
|
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"configuration tasks.",
|
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choices=choices, height=19, list_height=8, width=WIDTH, |
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help_button=1, extra_button=1, extra_label="No Config", |
450 |
title="Exclude Configuration Tasks")
|
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|
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
453 |
return False |
454 |
elif code == d.DIALOG_HELP:
|
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help_file = get_help_file("configuration_tasks")
|
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assert os.path.exists(help_file)
|
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d.textbox(help_file, title="Configuration Tasks",
|
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width=70, height=40) |
459 |
# No Config button
|
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elif code == d.DIALOG_EXTRA:
|
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session['excluded_tasks'] = [-1] |
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session['task_metadata'] = ["EXCLUDE_ALL_TASKS"] |
463 |
break
|
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elif code == d.DIALOG_OK:
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session['excluded_tasks'] = []
|
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for tag in tags: |
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session['excluded_tasks'].append(mapping[int(tag)]) |
468 |
|
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exclude_metadata = [] |
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for task in session['excluded_tasks']: |
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exclude_metadata.extend(CONFIGURATION_TASKS[task][1])
|
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|
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session['task_metadata'] = map(lambda x: "EXCLUDE_TASK_%s" % x, |
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exclude_metadata) |
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break
|
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|
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return True |
478 |
|
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|
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def sysprep(session): |
481 |
d = session['dialog']
|
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image = session['image']
|
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|
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# Is the image already shrinked?
|
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if 'shrinked' in session and session['shrinked']: |
486 |
msg = "It seems you have shrinked the image. Running system " \
|
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"preparation tasks on a shrinked image is dangerous."
|
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|
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if d.yesno("%s\n\nDo you really want to continue?" % msg, |
490 |
width=SMALL_WIDTH, defaultno=1):
|
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return
|
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|
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wrapper = textwrap.TextWrapper(width=WIDTH - 5)
|
494 |
|
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help_title = "System Preperation Tasks"
|
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sysprep_help = "%s\n%s\n\n" % (help_title, '=' * len(help_title)) |
497 |
|
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if 'exec_syspreps' not in session: |
499 |
session['exec_syspreps'] = []
|
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|
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all_syspreps = image.os.list_syspreps() |
502 |
# Only give the user the choice between syspreps that have not ran yet
|
503 |
syspreps = [s for s in all_syspreps if s not in session['exec_syspreps']] |
504 |
|
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if len(syspreps) == 0: |
506 |
d.msgbox("No system preparation task available to run!",
|
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title="System Preperation", width=SMALL_WIDTH)
|
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return
|
509 |
|
510 |
while 1: |
511 |
choices = [] |
512 |
index = 0
|
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for sysprep in syspreps: |
514 |
name, descr = image.os.sysprep_info(sysprep) |
515 |
display_name = name.replace('-', ' ').capitalize() |
516 |
sysprep_help += "%s\n" % display_name
|
517 |
sysprep_help += "%s\n" % ('-' * len(display_name)) |
518 |
sysprep_help += "%s\n\n" % wrapper.fill(" ".join(descr.split())) |
519 |
enabled = 1 if sysprep.enabled else 0 |
520 |
choices.append((str(index + 1), display_name, enabled)) |
521 |
index += 1
|
522 |
|
523 |
(code, tags) = d.checklist( |
524 |
"Please choose which system preparation tasks you would like to "
|
525 |
"run on the image. Press <Help> to see details about the system "
|
526 |
"preparation tasks.", title="Run system preparation tasks", |
527 |
choices=choices, width=70, ok_label="Run", help_button=1) |
528 |
|
529 |
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
530 |
return False |
531 |
elif code == d.DIALOG_HELP:
|
532 |
d.scrollbox(sysprep_help, width=WIDTH) |
533 |
elif code == d.DIALOG_OK:
|
534 |
# Enable selected syspreps and disable the rest
|
535 |
for i in range(len(syspreps)): |
536 |
if str(i + 1) in tags: |
537 |
image.os.enable_sysprep(syspreps[i]) |
538 |
session['exec_syspreps'].append(syspreps[i])
|
539 |
else:
|
540 |
image.os.disable_sysprep(syspreps[i]) |
541 |
|
542 |
infobox = InfoBoxOutput(d, "Image Configuration")
|
543 |
try:
|
544 |
image.out.add(infobox) |
545 |
try:
|
546 |
image.mount(readonly=False)
|
547 |
try:
|
548 |
# The checksum is invalid. We have mounted the image rw
|
549 |
if 'checksum' in session: |
550 |
del session['checksum'] |
551 |
|
552 |
# Monitor the metadata changes during syspreps
|
553 |
with MetadataMonitor(session, image.os.meta):
|
554 |
image.os.do_sysprep() |
555 |
infobox.finalize() |
556 |
|
557 |
# Disable syspreps that have ran
|
558 |
for sysprep in session['exec_syspreps']: |
559 |
image.os.disable_sysprep(sysprep) |
560 |
finally:
|
561 |
image.umount() |
562 |
finally:
|
563 |
image.out.remove(infobox) |
564 |
finally:
|
565 |
infobox.cleanup() |
566 |
break
|
567 |
return True |
568 |
|
569 |
|
570 |
def shrink(session): |
571 |
d = session['dialog']
|
572 |
image = session['image']
|
573 |
|
574 |
shrinked = 'shrinked' in session and session['shrinked'] |
575 |
|
576 |
if shrinked:
|
577 |
d.msgbox("The image is already shrinked!", title="Image Shrinking", |
578 |
width=SMALL_WIDTH) |
579 |
return True |
580 |
|
581 |
msg = "This operation will shrink the last partition of the image to " \
|
582 |
"reduce the total image size. If the last partition is a swap " \
|
583 |
"partition, then this partition is removed and the partition " \
|
584 |
"before that is shrinked. The removed swap partition will be " \
|
585 |
"recreated during image deployment."
|
586 |
|
587 |
if not d.yesno("%s\n\nDo you want to continue?" % msg, width=WIDTH, |
588 |
height=12, title="Image Shrinking"): |
589 |
with MetadataMonitor(session, image.meta):
|
590 |
infobox = InfoBoxOutput(d, "Image Shrinking", height=4) |
591 |
image.out.add(infobox) |
592 |
try:
|
593 |
image.shrink() |
594 |
infobox.finalize() |
595 |
finally:
|
596 |
image.out.remove(infobox) |
597 |
|
598 |
session['shrinked'] = True |
599 |
update_background_title(session) |
600 |
else:
|
601 |
return False |
602 |
|
603 |
return True |
604 |
|
605 |
|
606 |
def customization_menu(session): |
607 |
d = session['dialog']
|
608 |
|
609 |
choices = [("Sysprep", "Run various image preparation tasks"), |
610 |
("Shrink", "Shrink image"), |
611 |
("View/Modify", "View/Modify image properties"), |
612 |
("Delete", "Delete image properties"), |
613 |
("Exclude", "Exclude various deployment tasks from running")] |
614 |
|
615 |
default_item = 0
|
616 |
|
617 |
actions = {"Sysprep": sysprep,
|
618 |
"Shrink": shrink,
|
619 |
"View/Modify": modify_properties,
|
620 |
"Delete": delete_properties,
|
621 |
"Exclude": exclude_tasks}
|
622 |
while 1: |
623 |
(code, choice) = d.menu( |
624 |
text="Choose one of the following or press <Back> to exit.",
|
625 |
width=WIDTH, choices=choices, cancel="Back", height=13, |
626 |
menu_height=len(choices), default_item=choices[default_item][0], |
627 |
title="Image Customization Menu")
|
628 |
|
629 |
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
630 |
break
|
631 |
elif choice in actions: |
632 |
default_item = [entry[0] for entry in choices].index(choice) |
633 |
if actions[choice](session):
|
634 |
default_item = (default_item + 1) % len(choices) |
635 |
|
636 |
|
637 |
def main_menu(session): |
638 |
d = session['dialog']
|
639 |
|
640 |
update_background_title(session) |
641 |
|
642 |
choices = [("Customize", "Customize image & ~okeanos deployment options"), |
643 |
("Register", "Register image to ~okeanos"), |
644 |
("Extract", "Dump image to local file system"), |
645 |
("Reset", "Reset everything and start over again"), |
646 |
("Help", "Get help for using snf-image-creator")] |
647 |
|
648 |
default_item = "Customize"
|
649 |
|
650 |
actions = {"Customize": customization_menu, "Register": kamaki_menu, |
651 |
"Extract": extract_image}
|
652 |
while 1: |
653 |
(code, choice) = d.menu( |
654 |
text="Choose one of the following or press <Exit> to exit.",
|
655 |
width=WIDTH, choices=choices, cancel="Exit", height=13, |
656 |
default_item=default_item, menu_height=len(choices),
|
657 |
title="Image Creator for ~okeanos (snf-image-creator version %s)" %
|
658 |
version) |
659 |
|
660 |
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
661 |
if confirm_exit(d):
|
662 |
break
|
663 |
elif choice == "Reset": |
664 |
if confirm_reset(d):
|
665 |
d.infobox("Resetting snf-image-creator. Please wait...",
|
666 |
width=SMALL_WIDTH) |
667 |
raise Reset
|
668 |
elif choice == "Help": |
669 |
d.msgbox("For help, check the online documentation:\n\nhttp://www"
|
670 |
".synnefo.org/docs/snf-image-creator/latest/",
|
671 |
width=WIDTH, title="Help")
|
672 |
elif choice in actions: |
673 |
actions[choice](session) |
674 |
|
675 |
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
|