# 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
+from image_creator.dialog_util import extract_image, update_background_title
PAGE_WIDTH = 70
+class WizardExit(Exception):
+ pass
+
+
class Wizard:
def __init__(self, session):
self.session = session
def run(self):
idx = 0
while True:
- idx += self.pages[idx].run(self.session, idx, len(self.pages))
+ try:
+ idx += self.pages[idx].run(self.session, idx, len(self.pages))
+ except WizardExit:
+ return False
if idx >= len(self.pages):
break
NEXT = 1
PREV = -1
+ def run(self, session, index, total):
+ raise NotImplementedError
+
+
+class WizardRadioListPage(WizardPage):
+
+ def __init__(self, name, message, choices, **kargs):
+ self.name = name
+ self.message = message
+ self.choices = choices
+ self.title = kargs['title'] if 'title' in kargs else ''
+ self.default = kargs['default'] if 'default' in kargs else 0
+
+ def run(self, session, index, total):
+ d = session['dialog']
+ w = session['wizard']
+
+ choices = []
+ for i in range(len(self.choices)):
+ default = 1 if i == self.default else 0
+ choices.append((self.choices[i][0], self.choices[i][1], default))
+
+ while True:
+ (code, answer) = \
+ d.radiolist(self.message, width=PAGE_WIDTH,
+ ok_label="Next", cancel="Back", choices=choices,
+ title="(%d/%d) %s" % (index + 1, total, self.title)
+ )
+
+ if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
+ return self.PREV
+
+ for i in range(len(choices)):
+ if self.choices[i] == answer:
+ self.default = i
+ w[name] = i
+ break
+
+ return self.NEXT
+
+
+class WizardInputPage(WizardPage):
+
def __init__(self, name, message, **kargs):
self.name = name
self.message = message
init = w[self.name] if self.name in w else self.init_value
while True:
- (code, answer) = d.inputbox(self.message, init=init,
- width=PAGE_WIDTH, ok_label="Next", cancel="Back",
- title="(%d/%d) %s" % (index + 1, total, self.title))
+ (code, answer) = \
+ d.inputbox(self.message, init=init,
+ width=PAGE_WIDTH, ok_label="Next", cancel="Back",
+ title="(%d/%d) %s" % (index + 1, total, self.title))
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
return self.PREV
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:
+ raise WizardExit
+ elif ret == d.DIALOG_OK:
+ return self.NEXT
+
+
def wizard(session):
+ init_account = Kamaki.get_account()
+ if init_account is None:
+ init_account = ""
+
+ init_token = Kamaki.get_token()
+ if init_token is None:
+ init_token = ""
+
+ name = WizardInputPage("ImageName", "Please provide a name for the image:",
+ title="Image Name", init=session['device'].distro)
+ 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 = WizardInputPage("account",
+ "Please provide your ~okeanos account e-mail:",
+ title="~okeanos account information",
+ init=init_account)
+ token = WizardInputPage("token",
+ "Please provide your ~okeanos account token:",
+ title="~okeanos account token",
+ init=init_token)
- name = WizardPage("ImageName", "Please provide a name for the image:",
- title="Image Name", init=session['device'].distro)
- descr = WizardPage("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",
- "Please provide your ~okeanos account e-mail:",
- title="~okeanos account information", init=Kamaki.get_account())
- token = WizardPage("token",
- "Please provide your ~okeanos account token:",
- title="~okeanos account token", init=Kamaki.get_token())
+ msg = "All necessary information has been gathered. Confirm and Proceed."
+ proceed = WizardYesNoPage(msg, title="Confirmation")
w = Wizard(session)
+
w.add_page(name)
w.add_page(descr)
w.add_page(account)
w.add_page(token)
+ w.add_page(proceed)
+
+ if w.run():
+ create_image(session)
+ else:
+ return False
+
+ return True
+
+
+def create_image(session):
+ d = session['dialog']
+ disk = session['disk']
+ device = session['device']
+ snapshot = session['snapshot']
+ image_os = session['image_os']
+ wizard = session['wizard']
+
+ # Save Kamaki credentials
+ Kamaki.save_account(wizard['account'])
+ Kamaki.save_token(wizard['token'])
+
+ with_progress = OutputWthProgress(True)
+ out = disk.out
+ out.add(with_progress)
+ try:
+ out.clear()
+
+ #Sysprep
+ device.mount(False)
+ image_os.do_sysprep()
+ metadata = image_os.meta
+ device.umount()
+
+ #Shrink
+ size = device.shrink()
+ session['shrinked'] = True
+ update_background_title(session)
+
+ metadata.update(device.meta)
+ metadata['DESCRIPTION'] = wizard['ImageDescription']
+
+ #MD5
+ md5 = MD5(out)
+ session['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' % (session['checksum'], name)
+ kamaki.upload(StringIO.StringIO(md5sumstr), size=len(md5sumstr),
+ remote_path="%s.%s" % (name, 'md5sum'))
+ out.success('done')
+ out.output()
+
+ out.output('Registering image with ~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))
+ finally:
+ out.remove(with_progress)
- return w.run()
+ msg = "The image was successfully uploaded and registered with " \
+ "~okeanos. Would you like to keep a local copy of the image?"
+ if not d.yesno(msg, width=PAGE_WIDTH):
+ extract_image(session)
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :