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