"""
+# pylint: disable-msg=E0203,W0201
+
+# E0203: Access to member %r before its definition, since we use
+# objects.py which doesn't explicitely initialise its members
+
+# W0201: Attribute '%s' defined outside __init__
import ConfigParser
import re
_TIMESTAMPS = ["ctime", "mtime"]
_UUID = ["uuid"]
-def FillDict(defaults_dict, custom_dict):
+def FillDict(defaults_dict, custom_dict, skip_keys=None):
"""Basic function to apply settings on top a default dict.
@type defaults_dict: dict
@param defaults_dict: dictionary holding the default values
@type custom_dict: dict
@param custom_dict: dictionary holding customized value
+ @type skip_keys: list
+ @param skip_keys: which keys not to fill
@rtype: dict
@return: dict with the 'full' values
"""
ret_dict = copy.deepcopy(defaults_dict)
ret_dict.update(custom_dict)
+ if skip_keys:
+ for k in skip_keys:
+ try:
+ del ret_dict[k]
+ except KeyError:
+ pass
return ret_dict
setattr(self, k, v)
def __getattr__(self, name):
- if name not in self.__slots__:
+ if name not in self._all_slots():
raise AttributeError("Invalid object attribute %s.%s" %
(type(self).__name__, name))
return None
def __setstate__(self, state):
+ slots = self._all_slots()
for name in state:
- if name in self.__slots__:
+ if name in slots:
setattr(self, name, state[name])
+ @classmethod
+ def _all_slots(cls):
+ """Compute the list of all declared slots for a class.
+
+ """
+ slots = []
+ for parent in cls.__mro__:
+ slots.extend(getattr(parent, "__slots__", []))
+ return slots
+
def ToDict(self):
"""Convert to a dict holding only standard python types.
"""
result = {}
- for name in self.__slots__:
+ for name in self._all_slots():
value = getattr(self, name, None)
if value is not None:
result[name] = value
raise errors.ConfigurationError("Invalid object passed to FromDict:"
" expected dict, got %s" % type(val))
val_str = dict([(str(k), v) for k, v in val.iteritems()])
- obj = cls(**val_str)
+ obj = cls(**val_str) # pylint: disable-msg=W0142
return obj
@staticmethod
"""An generic class supporting tags.
"""
- __slots__ = ConfigObject.__slots__ + ["tags"]
+ __slots__ = ["tags"]
VALID_TAG_RE = re.compile("^[\w.+*/:@-]+$")
@classmethod
err = "Invalid nic mode: %s" % nicparams[constants.NIC_MODE]
raise errors.ConfigurationError(err)
- if (nicparams[constants.NIC_MODE] is constants.NIC_MODE_BRIDGED and
+ if (nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED and
not nicparams[constants.NIC_LINK]):
err = "Missing bridged nic link"
raise errors.ConfigurationError(err)
class Instance(TaggableObject):
"""Config object representing an instance."""
- __slots__ = TaggableObject.__slots__ + [
+ __slots__ = [
"name",
"primary_node",
"os",
try:
idx = int(idx)
return self.disks[idx]
- except ValueError, err:
+ except (TypeError, ValueError), err:
raise errors.OpPrereqError("Invalid disk index: '%s'" % str(err),
errors.ECODE_INVAL)
except IndexError:
nic.UpgradeConfig()
for disk in self.disks:
disk.UpgradeConfig()
+ if self.hvparams:
+ for key in constants.HVC_GLOBALS:
+ try:
+ del self.hvparams[key]
+ except KeyError:
+ pass
class OS(ConfigObject):
class Node(TaggableObject):
"""Config object representing a node."""
- __slots__ = TaggableObject.__slots__ + [
+ __slots__ = [
"name",
"primary_ip",
"secondary_ip",
class Cluster(TaggableObject):
"""Config object representing the cluster."""
- __slots__ = TaggableObject.__slots__ + [
+ __slots__ = [
"serial_no",
"rsahostkeypub",
"highest_used_port",
"""Fill defaults for missing configuration values.
"""
+ # pylint: disable-msg=E0203
+ # because these are "defined" via slots, not manually
if self.hvparams is None:
self.hvparams = constants.HVC_DEFAULTS
else:
obj.tcpudp_port_pool = set(obj.tcpudp_port_pool)
return obj
- def FillHV(self, instance):
+ def FillHV(self, instance, skip_globals=False):
"""Fill an instance's hvparams dict.
@type instance: L{objects.Instance}
@param instance: the instance parameter to fill
+ @type skip_globals: boolean
+ @param skip_globals: if True, the global hypervisor parameters will
+ not be filled
@rtype: dict
@return: a copy of the instance's hvparams with missing keys filled from
the cluster defaults
"""
+ if skip_globals:
+ skip_keys = constants.HVC_GLOBALS
+ else:
+ skip_keys = []
return FillDict(self.hvparams.get(instance.hypervisor, {}),
- instance.hvparams)
+ instance.hvparams, skip_keys=skip_keys)
def FillBE(self, instance):
"""Fill an instance's beparams dict.
"""
return FillDict(self.beparams.get(constants.PP_DEFAULT, {}),
- instance.beparams)
+ instance.beparams)
class BlockDevStatus(ConfigObject):