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
class WizardPage:
NEXT = 1
PREV = -1
- EXIT = -255
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):
if ret == d.DIALOG_CANCEL:
return self.PREV
elif ret == d.DIALOG_EXTRA:
- return self.EXIT
+ raise WizardExit
elif ret == d.DIALOG_OK:
return self.NEXT
def extract_image(session):
+ d = session['dialog']
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
+ with_progress = OutputWthProgress(True)
+ out = disk.out
+ out.add(with_progress)
+ try:
+ out.clear()
- out.clear()
+ #Sysprep
+ device.mount(False)
+ image_os.do_sysprep()
+ metadata = image_os.meta
+ device.umount()
- #Sysprep
- device.mount(False)
- image_os.do_sysprep()
- metadata = image_os.meta
- device.umount()
+ #Shrink
+ size = device.shrink()
- #Shrink
- size = device.shrink()
- metadata.update(device.meta)
+ metadata.update(device.meta)
+ metadata['DESCRIPTION'] = wizard['ImageDescription']
- #MD5
- md5 = MD5(out)
- checksum = md5.compute(snapshot, size)
+ #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'
+ #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()
+ 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('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))
+ 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?"
+ if not d.yesno(msg, width=PAGE_WIDTH):
+ getattr(__import__("image_creator.dialog_main",
+ fromlist=['image_creator']), "extract_image")(session)
- 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 :
projects / snf-image-creator / blobdiff