# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
-from image_creator.util import output
+from image_creator.util import output, FatalError
+import textwrap
import re
return wrapper
-def exclude_task(func):
- func.excluded = True
- return func
+def sysprep(enabled=True):
+ def wrapper(func):
+ func.sysprep = True
+ func.enabled = enabled
+ return func
+ return wrapper
class OSBase(object):
"""Basic operating system class"""
+
def __init__(self, rootdev, ghandler):
self.root = rootdev
self.g = ghandler
- self.sysprep_regexp = re.compile('^sysprep_')
- self.data_cleanup_regexp = re.compile('^data_cleanup_')
+ def _is_sysprep(self, obj):
+ return getattr(obj, 'sysprep', False) and callable(obj)
- def _print_task(self, task):
- name = task.__name__
+ def list_syspreps(self):
- if self.sysprep_regexp.match(name):
- name = self.sysprep_regexp.sub("", name)
- elif self.data_cleanup_regexp.match(name):
- name = self.data_cleanup_regexp.sub("", name)
- else:
- raise FatalError("%s is not a task" % name)
+ objs = [getattr(self, name) for name in dir(self) \
+ if not name.startswith('_')]
+
+ enabled = [x for x in objs if self._is_sysprep(x) and x.enabled]
+ disabled = [x for x in objs if self._is_sysprep(x) and not x.enabled]
+
+ return enabled, disabled
+
+ def _sysprep_change_status(self, name, status):
+
+ error_msg = "Syprep operation %s does not exist for %s" % \
+ (name, self.__class__.__name__)
+
+ method_name = name.replace('-', '_')
+ method = None
+ try:
+ method = getattr(self, method_name)
+ except AttributeError:
+ raise FatalError(error_msg)
+
+ if not self._is_sysprep(method):
+ raise FatalError(error_msg)
+
+ setattr(method.im_func, 'enabled', status)
+
+ def enable_sysprep(self, name):
+ """Enable a system preperation operation"""
+ self._sysprep_change_status(name, True)
+
+ def disable_sysprep(self, name):
+ """Disable a system preperation operation"""
+ self._sysprep_change_status(name, False)
+
+ def print_syspreps(self):
+ """Print enabled and disabled system preperation operations."""
- name = name.replace('_', '-')
+ enabled, disabled = self.list_syspreps()
- output(" %s:\n %s" % (name, task.__doc__))
+ wrapper = textwrap.TextWrapper()
+ wrapper.subsequent_indent = '\t'
+ wrapper.initial_indent = '\t'
+
+ output("Enabled system preperation operations:")
+ if len(enabled) == 0:
+ output("(none)")
+ else:
+ for sysprep in enabled:
+ name = sysprep.__name__.replace('_', '-')
+ descr = wrapper.fill(sysprep.__doc__)
+ output(' %s:\n%s\n' % (name, descr))
+
+ output("Disabled system preperation operations:")
+ if len(disabled) == 0:
+ output("(none)")
+ else:
+ for sysprep in disabled:
+ name = sysprep.__name__.replace('_', '-')
+ descr = wrapper.fill(sysprep.__doc__)
+ output(' %s:\n%s\n' % (name, descr))
@add_prefix
def ls(self, directory):
return meta
- def list_sysprep(self):
- """List all sysprep actions"""
-
- is_sysprep = lambda x: x.startswith('sysprep_') and \
- callable(getattr(self, x))
- tasks = [getattr(self, x) for x in dir(self) if is_sysprep(x)]
-
- included = [t for t in tasks if not getattr(t, "excluded", False)]
- excluded = [t for t in tasks if getattr(t, "excluded", False)]
-
- return included, excluded
-
- def list_data_cleanup(self):
- """List all data_cleanup actions"""
-
- is_cleanup = lambda x: x.startswith('data_cleanup_') and \
- callable(getattr(self, x))
- tasks = [getattr(self, x) for x in dir(self) if is_cleanup(x)]
-
- included = [t for t in tasks if not getattr(t, "excluded", False)]
- excluded = [t for t in tasks if getattr(t, "excluded", False)]
-
- return included, excluded
-
- def data_cleanup(self):
- """Cleanup sensitive data out of the OS image."""
-
- output('Cleaning up sensitive data out of the OS image:')
-
- tasks, _ = self.list_data_cleanup()
- size = len(tasks)
- cnt = 0
- for task in tasks:
- cnt += 1
- output(('(%d/%d)' % (cnt, size)).ljust(7), False)
- task()
- output()
-
- def sysprep(self):
+ def do_sysprep(self):
"""Prepere system for image creation."""
output('Preparing system for image creation:')
task()
output()
- def print_task(self, task):
- name = task.__name__
-
- if self.sysprep_regexp.match(name):
- name = self.sysprep_regexp.sub("", name)
- elif self.data_cleanup_regexp.match(name):
- name = self.data_cleanup_regexp.sub("", name)
- else:
- raise FatalError("%s is not a task" % name)
-
- name = name.replace('_', '-')
-
- output(" %s:\n %s" % (name, task.__doc__))
-
- def print_data_cleanup(self):
- included, excluded = self.list_data_cleanup()
-
- output("Included data cleanup operations:")
- if len(included) == 0:
- ouput("(none)")
- else:
- for task in included:
- self._print_task(task)
- output("Ommited data cleanup operations:")
- if len(excluded) == 0:
- ouput("(none)")
- else:
- for task in excluded:
- self._print_task(task)
-
- def print_sysprep(self):
- included, excluded = self.list_sysprep()
-
- output("Included sysprep operations:")
- if len(included) == 0:
- ouput("(none)")
- else:
- for task in included:
- self._print_task(task)
- output("Ommited sysprep operations:")
- if len(excluded) == 0:
- output("(none)")
- else:
- for task in excluded:
- self._print_task(task)
-
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
projects / snf-image-creator / blobdiff