# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
-import dialog
import time
import StringIO
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
pass
+class WizardInvalidData(Exception):
+ pass
+
+
class Wizard:
def __init__(self, session):
self.session = session
self.pages = []
self.session['wizard'] = {}
+ self.d = session['dialog']
def add_page(self, page):
self.pages.append(page)
idx += self.pages[idx].run(self.session, idx, len(self.pages))
except WizardExit:
return False
+ except WizardInvalidData:
+ continue
if idx >= len(self.pages):
- break
+ msg = "All necessary information has been gathered:\n\n"
+ for page in self.pages:
+ msg += " * %s\n" % page.info
+ msg += "\nContinue with the image creation process?"
+
+ ret = self.d.yesno(
+ msg, width=PAGE_WIDTH, height=8 + len(self.pages),
+ ok_label="Yes", cancel="Back", extra_button=1,
+ extra_label="Quit", title="Confirmation")
+
+ if ret == self.d.DIALOG_CANCEL:
+ idx -= 1
+ elif ret == self.d.DIALOG_EXTRA:
+ return False
+ elif ret == self.d.DIALOG_OK:
+ return True
if idx < 0:
return False
- return True
-class WizardPage:
+class WizardPage(object):
NEXT = 1
PREV = -1
+ def __init__(self, **kargs):
+ validate = kargs['validate'] if 'validate' in kargs else lambda x: x
+ setattr(self, "validate", validate)
+
+ display = kargs['display'] if 'display' in kargs else lambda x: x
+ setattr(self, "display", display)
+
def run(self, session, index, total):
raise NotImplementedError
class WizardRadioListPage(WizardPage):
- def __init__(self, name, message, choices, **kargs):
+ def __init__(self, name, printable, message, choices, **kargs):
+ super(WizardRadioListPage, self).__init__(**kargs)
self.name = name
+ self.printable = printable
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
+ self.default = kargs['default'] if 'default' in kargs else ""
def run(self, session, index, total):
d = session['dialog']
choices = []
for i in range(len(self.choices)):
- default = 1 if i == self.default else 0
+ default = 1 if self.choices[i][0] == 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))
+ (code, answer) = d.radiolist(
+ self.message, height=10, 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
+ 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
+ w[self.name] = self.validate(answer)
+ self.default = answer
+ self.info = "%s: %s" % (self.printable, self.display(w[self.name]))
- return self.NEXT
+ return self.NEXT
class WizardInputPage(WizardPage):
- def __init__(self, name, message, **kargs):
+ def __init__(self, name, printable, message, **kargs):
+ super(WizardInputPage, self).__init__(**kargs)
self.name = name
+ self.printable = printable
self.message = message
self.title = kargs['title'] if 'title' in kargs else ''
- self.init_value = kargs['init'] if 'init' in kargs else ''
- self.allow_empty = kargs['empty'] if 'empty' in kargs else False
+ self.init = kargs['init'] if 'init' in kargs else ''
def run(self, session, index, total):
d = session['dialog']
w = session['wizard']
- 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=self.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
+ if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
+ return self.PREV
- value = answer.strip()
- if len(value) == 0 and self.allow_empty is False:
- d.msgbox("The value cannot be empty!", width=PAGE_WIDTH)
- continue
- w[self.name] = value
- break
+ value = answer.strip()
+ self.init = value
+ w[self.name] = self.validate(value)
+ self.info = "%s: %s" % (self.printable, self.display(w[self.name]))
return self.NEXT
-class WizardYesNoPage(WizardPage):
+def wizard(session):
+ init_token = Kamaki.get_token()
+ if init_token is None:
+ init_token = ""
- def __init__(self, message, **kargs):
- self.message = message
- self.title = kargs['title'] if 'title' in kargs else ''
+ name = WizardInputPage(
+ "ImageName", "Image Name", "Please provide a name for the image:",
+ title="Image Name", init=session['device'].distro)
- def run(self, session, index, total):
- d = session['dialog']
+ descr = WizardInputPage(
+ "ImageDescription", "Image Description",
+ "Please provide a description for the image:",
+ title="Image Description", init=session['metadata']['DESCRIPTION'] if
+ 'DESCRIPTION' in session['metadata'] else '')
- 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))
+ registration = WizardRadioListPage(
+ "ImageRegistration", "Registration Type",
+ "Please provide a registration type:",
+ [("Private", "Image is accessible only by this user"),
+ ("Public", "Everyone can create VMs from this image")],
+ title="Registration Type", default="Private")
- if ret == d.DIALOG_CANCEL:
- return self.PREV
- elif ret == d.DIALOG_EXTRA:
- raise WizardExit
- elif ret == d.DIALOG_OK:
- return self.NEXT
+ def validate_account(token):
+ d = session['dialog']
+ if len(token) == 0:
+ d.msgbox("The token cannot be empty", width=PAGE_WIDTH)
+ raise WizardInvalidData
-def wizard(session):
+ account = Kamaki.get_account(token)
+ if account is None:
+ d.msgbox("The token you provided in not valid!", width=PAGE_WIDTH)
+ raise WizardInvalidData
- 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=Kamaki.get_account())
- token = WizardInputPage("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")
+ return account
+
+ account = WizardInputPage(
+ "Account", "Account",
+ "Please provide your ~okeanos authentication token:",
+ title="~okeanos account", init=init_token, validate=validate_account,
+ display=lambda account: account['username'])
w = Wizard(session)
w.add_page(name)
w.add_page(descr)
+ w.add_page(registration)
w.add_page(account)
- w.add_page(token)
- w.add_page(proceed)
if w.run():
- extract_image(session)
+ create_image(session)
else:
return False
return True
-def extract_image(session):
+def create_image(session):
d = session['dialog']
disk = session['disk']
device = session['device']
image_os = session['image_os']
wizard = session['wizard']
+ # Save Kamaki credentials
+ Kamaki.save_token(wizard['Account']['auth_token'])
+
with_progress = OutputWthProgress(True)
out = disk.out
out.add(with_progress)
#Shrink
size = device.shrink()
+ session['shrinked'] = True
+ update_background_title(session)
metadata.update(device.meta)
metadata['DESCRIPTION'] = wizard['ImageDescription']
out.output()
try:
out.output("Uploading image to pithos:")
- kamaki = Kamaki(wizard['account'], wizard['token'], out)
+ kamaki = Kamaki(wizard['Account'], 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")
+ "(1/4) Calculating block hashes",
+ "(2/4) Uploading missing blocks")
- out.output("(3/4) Uploading metadata file...", False)
+ 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)
+ 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('Registring image to ~okeanos...', False)
- kamaki.register(wizard['ImageName'], pithos_file, metadata)
+ is_public = True if wizard['ImageRegistration'] == "Public" else \
+ False
+ out.output('Registering %s image with ~okeanos ...' %
+ wizard['ImageRegistration'].lower(), False)
+ kamaki.register(wizard['ImageName'], pithos_file, metadata,
+ is_public)
out.success('done')
out.output()
finally:
out.remove(with_progress)
- msg = "The image was successfully uploaded and registered to " \
- "~okeanos. Would you like to keep a local copy of the image?"
+ msg = "The %s image was successfully uploaded and registered with " \
+ "~okeanos. Would you like to keep a local copy of the image?" \
+ % wizard['ImageRegistration'].lower()
if not d.yesno(msg, width=PAGE_WIDTH):
- getattr(__import__("image_creator.dialog_main",
- fromlist=['image_creator']), "extract_image")(session)
-
+ extract_image(session)
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
projects / snf-image-creator / blobdiff