Revision fbdf1d8f image_creator/dialog_wizard.py
| b/image_creator/dialog_wizard.py | ||
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# or implied, of GRNET S.A. |
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import dialog |
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import time |
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import StringIO |
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from image_creator.kamaki_wrapper import Kamaki |
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from image_creator.kamaki_wrapper import Kamaki, ClientError |
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from image_creator.util import MD5, FatalError |
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from image_creator.output.cli import OutputWthProgress |
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PAGE_WIDTH = 70 |
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class WizardPage: |
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NEXT = 1 |
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PREV = -1 |
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EXIT = -255 |
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def run(self, session, index, total): |
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raise NotImplementedError |
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class WizardInputPage(WizardPage): |
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def __init__(self, name, message, **kargs): |
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self.name = name |
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return self.NEXT |
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class WizardYesNoPage(WizardPage): |
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def __init__(self, message, **kargs): |
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self.message = message |
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self.title = kargs['title'] if 'title' in kargs else '' |
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def run(self, session, index, total): |
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d = session['dialog'] |
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while True: |
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ret = d.yesno(self.message, width=PAGE_WIDTH, ok_label="Yes", |
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cancel="Back", extra_button=1, extra_label="Quit", |
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title="(%d/%d) %s" % (index + 1, total, self.title)) |
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if ret == d.DIALOG_CANCEL: |
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return self.PREV |
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elif ret == d.DIALOG_EXTRA: |
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return self.EXIT |
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elif ret == d.DIALOG_OK: |
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return self.NEXT |
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def wizard(session): |
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name = WizardPage("ImageName", "Please provide a name for the image:",
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name = WizardInputPage("ImageName", "Please provide a name for the image:",
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title="Image Name", init=session['device'].distro) |
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descr = WizardPage("ImageDescription",
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descr = WizardInputPage("ImageDescription",
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"Please provide a description for the image:", |
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title="Image Description", empty=True, |
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init=session['metadata']['DESCRIPTION'] if 'DESCRIPTION' in |
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session['metadata'] else '') |
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account = WizardPage("account",
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account = WizardInputPage("account",
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"Please provide your ~okeanos account e-mail:", |
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title="~okeanos account information", init=Kamaki.get_account()) |
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token = WizardPage("token",
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token = WizardInputPage("token",
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"Please provide your ~okeanos account token:", |
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title="~okeanos account token", init=Kamaki.get_token()) |
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msg = "Do you wish to continue with the image extraction process?" |
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proceed = WizardYesNoPage(msg, title="Confirmation") |
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w = Wizard(session) |
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w.add_page(name) |
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w.add_page(descr) |
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w.add_page(account) |
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w.add_page(token) |
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return w.run() |
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w.add_page(proceed) |
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if w.run(): |
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extract_image(session) |
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else: |
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return False |
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return True |
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def extract_image(session): |
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disk = session['disk'] |
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device = session['device'] |
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snapshot = session['snapshot'] |
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image_os = session['image_os'] |
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wizard = session['wizard'] |
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out = OutputWthProgress(True) |
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#Initialize the output |
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disk.out = out |
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device.out = out |
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image_os.out = out |
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out.output() |
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#Sysprep |
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device.mount(False) |
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image_os.do_sysprep() |
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metadata = image_os.meta |
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device.umount() |
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#Shrink |
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size = device.shrink() |
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#MD5 |
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md5 = MD5(out) |
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checksum = md5.compute(snapshot, size) |
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#Metadata |
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metastring = '\n'.join( |
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['%s=%s' % (key, value) for (key, value) in metadata.items()]) |
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metastring += '\n' |
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out.output() |
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try: |
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out.output("Uploading image to pithos:")
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kamaki = Kamaki(wizard['account'], wizard['token'], out) |
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name = "%s-%s.diskdump" % (wizard['ImageName'], |
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time.strftime("%Y%m%d%H%M"))
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pithos_file = "" |
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with open(snapshot, 'rb') as f: |
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pithos_file = kamaki.upload(f, size, name, |
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"(1/4) Calculating block hashes", |
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"(2/4) Uploading missing blocks") |
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out.output("(3/4) Uploading metadata file...", False)
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kamaki.upload(StringIO.StringIO(metastring), size=len(metastring), |
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remote_path="%s.%s" % (name, 'meta')) |
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out.success('done')
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out.output("(4/4) Uploading md5sum file...", False)
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md5sumstr = '%s %s\n' % (checksum, name) |
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kamaki.upload(StringIO.StringIO(md5sumstr), size=len(md5sumstr), |
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remote_path="%s.%s" % (name, 'md5sum')) |
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out.success('done')
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out.output() |
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out.output('Registring image to ~okeanos...', False)
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kamaki.register(wizard['ImageName'], pithos_file, metadata) |
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out.success('done')
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out.output() |
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except ClientError as e: |
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raise FatalError("Pithos client: %d %s" % (e.status, e.message))
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# vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |
Also available in: Unified diff