idx = 0
while True:
try:
- idx += self.pages[idx].run(self.session, idx, len(self.pages))
+ total = len(self.pages)
+ title = "(%d/%d) %s" % (idx + 1, total, self.pages[idx].title)
+ idx += self.pages[idx].run(self.session, title)
except WizardExit:
return False
except WizardReloadPage:
continue
if idx >= len(self.pages):
- msg = "All necessary information has been gathered:\n\n"
+ text = "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?"
+ text += " * %s\n" % page.info
+ text += "\nContinue with the image creation process?"
ret = self.d.yesno(
- msg, width=PAGE_WIDTH, height=8 + len(self.pages),
+ text, width=PAGE_WIDTH, height=8 + len(self.pages),
ok_label="Yes", cancel="Back", extra_button=1,
extra_label="Quit", title="Confirmation")
NEXT = 1
PREV = -1
- def __init__(self, **kargs):
+ def __init__(self, name, display_name, text, **kargs):
+ self.name = name
+ self.display_name = display_name
+ self.text = text
+
+ self.title = kargs['title'] if 'title' in kargs else ""
+ self.default = kargs['default'] if 'default' in kargs else ""
+ self.extra = kargs['extra'] if 'extra' in kargs else None
+ self.extra_label = \
+ kargs['extra_label'] if 'extra_label' in kargs else 'Extra'
+
+ self.info = "%s: <none>" % self.display_name
+
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):
+ def run(self, session, title):
"""Display this wizard page
This function is used by the wizard program when accessing a page.
raise NotImplementedError
-class WizardRadioListPage(WizardPage):
- """Represent a Radio List in a wizard"""
- def __init__(self, name, printable, message, choices, **kargs):
- super(WizardRadioListPage, self).__init__(**kargs)
- self.name = name
- self.printable = printable
- self.message = message
+class WizardPageWthChoices(WizardPage):
+ """Represents a Wizard Page that allows the user to select something from
+ a list of choices.
+
+ The available choices are created by a function passed to the class through
+ the choices variable. If the choices function returns an empty list, a
+ fallback funtion is executed if available.
+ """
+ def __init__(self, name, display_name, text, choices, **kargs):
+ super(WizardPageWthChoices, self).__init__(name, display_name, text,
+ **kargs)
self.choices = choices
- self.title = kargs['title'] if 'title' in kargs else ''
- self.default = kargs['default'] if 'default' in kargs else ""
+ self.fallback = kargs['fallback'] if 'fallback' in kargs else None
+
- def run(self, session, index, total):
+class WizardRadioListPage(WizardPageWthChoices):
+ """Represent a Radio List in a wizard"""
+
+ def run(self, session, title):
d = session['dialog']
w = session['wizard']
choices.append((choice[0], choice[1], default))
(code, answer) = d.radiolist(
- self.message, width=PAGE_WIDTH, ok_label="Next", cancel="Back",
- choices=choices, height=PAGE_HEIGHT,
- title="(%d/%d) %s" % (index + 1, total, self.title))
+ self.text, width=PAGE_WIDTH, ok_label="Next", cancel="Back",
+ choices=choices, height=PAGE_HEIGHT, title=title)
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
return self.PREV
w[self.name] = self.validate(answer)
self.default = answer
- self.info = "%s: %s" % (self.printable, self.display(w[self.name]))
+ self.info = "%s: %s" % (self.display_name, self.display(w[self.name]))
return self.NEXT
class WizardInputPage(WizardPage):
"""Represents an input field in a wizard"""
- def __init__(self, name, printable, message, **kargs):
- super(WizardInputPage, self).__init__(**kargs)
- self.name = name
- self.printable = printable
- self.message = message
- self.info = "%s: <none>" % self.printable
- self.title = kargs['title'] if 'title' in kargs else ''
- self.init = kargs['init'] if 'init' in kargs else ''
- def run(self, session, index, total):
+ def run(self, session, title):
d = session['dialog']
w = session['wizard']
(code, answer) = d.inputbox(
- self.message, init=self.init, width=PAGE_WIDTH, ok_label="Next",
- cancel="Back", height=PAGE_HEIGHT,
- title="(%d/%d) %s" % (index + 1, total, self.title))
+ self.text, init=self.default, width=PAGE_WIDTH, ok_label="Next",
+ cancel="Back", height=PAGE_HEIGHT, title=title)
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
return self.PREV
value = answer.strip()
- self.init = value
+ self.default = value
w[self.name] = self.validate(value)
- self.info = "%s: %s" % (self.printable, self.display(w[self.name]))
+ self.info = "%s: %s" % (self.display_name, self.display(w[self.name]))
return self.NEXT
-class WizardMenuPage(WizardPage):
- """Represents a menu dialog in a wizard"""
- def __init__(self, name, printable, message, choices, **kargs):
- super(WizardMenuPage, self).__init__(**kargs)
- self.name = name
- self.printable = printable
- self.message = message
- self.info = "%s: <none>" % self.printable
- self.choices = choices
- self.title = kargs['title'] if 'title' in kargs else ''
- self.default = kargs['default'] if 'default' in kargs else ""
- self.extra = kargs['extra'] if 'extra' in kargs else None
- self.extra_label = \
- kargs['extra_label'] if 'extra_label' in kargs else 'Extra'
- self.fallback = kargs['fallback'] if 'fallback' in kargs else None
+class WizardFormPage(WizardPage):
+ """Represents a Form in a wizard"""
+
+ def __init__(self, name, display_name, text, fields, **kargs):
+ super(WizardFormPage, self).__init__(name, display_name, text, **kargs)
+ self.fields = fields
- def run(self, session, index, total):
+ def run(self, session, title):
+ d = session['dialog']
+ w = session['wizard']
+
+ field_lenght = len(self.fields())
+ form_height = field_lenght if field_lenght < PAGE_HEIGHT - 4 \
+ else PAGET_HEIGHT - 4
+
+ (code, output) = d.form(
+ self.text, width=PAGE_WIDTH, height=PAGE_HEIGHT,
+ form_height=form_height, ok_label="Next", cancel="Back",
+ fields=self.fields(), title=title)
+
+ if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
+ return self.PREV
+
+ w[self.name] = self.validate(output)
+ self.default = output
+ self.info = "%s: %s" % (self.display_name, self.display(w[self.name]))
+
+ return self.NEXT
+
+
+class WizardMenuPage(WizardPageWthChoices):
+ """Represents a menu dialog with available choices in a wizard"""
+
+ def run(self, session, title):
d = session['dialog']
w = session['wizard']
default_item = self.default if self.default else choices[0][0]
(code, choice) = d.menu(
- self.message, width=PAGE_WIDTH, ok_label="Next", cancel="Back",
- title="(%d/%d) %s" % (index + 1, total, self.title),
- choices=choices, height=PAGE_HEIGHT, default_item=default_item,
- extra_label=self.extra_label, extra_button=extra_button)
+ self.text, width=PAGE_WIDTH, ok_label="Next", cancel="Back",
+ title=title, choices=choices, height=PAGE_HEIGHT,
+ default_item=default_item, extra_label=self.extra_label,
+ extra_button=extra_button)
if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
return self.PREV
self.default = choice
w[self.name] = self.validate(choice)
- self.info = "%s: %s" % (self.printable, self.display(w[self.name]))
+ self.info = "%s: %s" % (self.display_name, self.display(w[self.name]))
return self.NEXT
def start_wizard(session):
"""Run the image creation wizard"""
- distro = session['image'].distro
- ostype = session['image'].ostype
+ image = session['image']
+ distro = image.distro
+ ostype = image.ostype
+ # Create Cloud Wizard Page
def cloud_choices():
choices = []
for (name, cloud) in Kamaki.get_clouds().items():
if edit_cloud(session, cloud):
return cloud
- raise WizardInvalidData
+ raise WizardReloadPage
return cloud
choices=cloud_choices, extra_label="Add", extra=cloud_add,
title="Clouds", validate=cloud_validate, fallback=cloud_none_available)
+ # Create Image Name Wizard Page
name = WizardInputPage(
"ImageName", "Image Name", "Please provide a name for the image:",
- title="Image Name", init=ostype if distro == "unknown" else distro)
+ title="Image Name", default=ostype if distro == "unknown" else distro)
+ # Create Image Description Wizard Page
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 '')
+ title="Image Description", default=session['metadata']['DESCRIPTION']
+ if 'DESCRIPTION' in session['metadata'] else '')
+
+ # Create Sysprep Params Wizard Page
+ needed = image.os.needed_sysprep_params()
+
+ def sysprep_params_fields():
+ fields = []
+ available = image.os.sysprep_params
+ for param in needed:
+ text = param.description
+ default = available[param.name] if param.name in available else ""
+ fields.append(("%s: " % text, default, param.length))
+ return fields
+
+ def sysprep_params_validate(answer):
+ params = {}
+ for i in range(len(answer)):
+ if needed[i].validator(answer):
+ params[needed[i].name] = answer[i]
+ else:
+ session['dialog'].msgbox("Invalid value for parameter `%s'" %
+ needed[i].name)
+ raise WizardReloadPage
+ return params
+
+ def sysprep_params_display(params):
+ return ",".join(["%s=%s" % (key, val) for key, val in params.items()])
+ sysprep_params = WizardFormPage(
+ "SysprepParams", "Sysprep Parameters",
+ "Prease fill in the following system preparation parameters:",
+ title="System Preparation Parameters", fields=sysprep_params_fields,
+ display=sysprep_params_display, validate=sysprep_params_validate
+ ) if len(needed) != 0 else None
+
+ # Create Image Registration Wizard Page
def registration_choices():
return [("Private", "Image is accessible only by this user"),
("Public", "Everyone can create VMs from this image")]
w.add_page(cloud)
w.add_page(name)
w.add_page(descr)
+ if sysprep_params is not None:
+ w.add_page(sysprep_params)
w.add_page(registration)
if w.run():
out.clear()
#Sysprep
+ image.os.sysprep_params.update(wizard['SysprepParams'])
image.os.do_sysprep()
metadata = image.os.meta
out.output()
try:
- out.output("Uploading image to pithos:")
+ out.output("Uploading image to the cloud:")
account = Kamaki.get_account(wizard['Cloud'])
assert account, "Cloud: %s is not valid" % wizard['Cloud']
kamaki = Kamaki(account, out)
is_public = True if wizard['ImageRegistration'] == "Public" else \
False
- out.output('Registering %s image with cyclades ...' %
+ out.output('Registering %s image with the cloud ...' %
wizard['ImageRegistration'].lower(), False)
result = kamaki.register(wizard['ImageName'], pithos_file,
metadata, is_public)
out.output()
except ClientError as e:
- raise FatalError("Pithos client: %d %s" % (e.status, e.message))
+ raise FatalError("Storage service client: %d %s" %
+ (e.status, e.message))
finally:
out.remove(with_progress)
- msg = "The %s image was successfully uploaded to Pithos and registered " \
- "with Cyclades. Would you like to keep a local copy?" \
- % wizard['ImageRegistration'].lower()
- if not d.yesno(msg, width=PAGE_WIDTH):
+ text = "The %s image was successfully uploaded to the storage service " \
+ "and registered with the compute service of %s. Would you like " \
+ "to keep a local copy?" % \
+ (wizard['Cloud'], wizard['ImageRegistration'].lower())
+
+ if not d.yesno(text, width=PAGE_WIDTH):
extract_image(session)
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
projects / snf-image-creator / blobdiff