def _check_redundancy_setting(self, redundancy, setting):
"""
Check that DeviceProvider.Redundancy matches Setting.
Return None if so or string with error message if it does
not match.
"""
# Too many return statements, but it has a purpose.
# pylint: disable-msg=R0911
drmax = setting.get('DataRedundancyMax', None)
drmin = setting.get('DataRedundancyMin', None)
drgoal = setting.get('DataRedundancyGoal', None)
if drmax is not None and int(drmax) < redundancy.data_redundancy:
return "DataRedundancyMax is too low."
if drmin is not None and int(drmin) > redundancy.data_redundancy:
return "DataRedundancyMin is too high."
if (drmax is None and drmin is None and drgoal is not None
and int(drgoal) != redundancy.data_redundancy):
# only goal is set - it must match
return "DataRedundancyGoal does not match."
esmax = setting.get('ExtentStripeLengthMax', None)
esmin = setting.get('ExtentStripeLengthMin', None)
esgoal = setting.get('ExtentStripeLength', None)
if esmax is not None and int(esmax) < redundancy.stripe_length:
return "ExtentStripeLengthMax is too low."
if esmin is not None and int(esmin) > redundancy.stripe_length:
return "ExtentStripeLengthMin is too high."
if (esmax is None and esmin is None and esgoal is not None
and int(esgoal) != redundancy.stripe_length):
# only goal is set - it must match
return "ExtentStripeLength does not match."
prmax = setting.get('PackageRedundancyMax', None)
prmin = setting.get('PackageRedundancyMin', None)
prgoal = setting.get('PackageRedundancyGoal', None)
if prmax is not None and int(prmax) < redundancy.package_redundancy:
return "PackageRedundancyMax is too low."
if prmin is not None and int(prmin) > redundancy.package_redundancy:
return "PackageRedundancyMin is too high."
if (prmax is None and prmin is None and prgoal is not None
and prgoal != redundancy.package_redundancy):
# only goal is set - it must match
return "PackageRedundancyGoal does not match."
nspof = setting.get('NoSinglePointOfFailure', None)
if (nspof is not None
and SettingProvider.string_to_bool(nspof)
!= redundancy.no_single_point_of_failure):
return "NoSinglePointOfFailure does not match."
parity = setting.get('ParityLayout', None)
if (parity is not None
and int(parity) != redundancy.parity_layout):
return "ParityLayout does not match."
return None
def _check_redundancy_goal_setting(self, redundancy, setting):
"""
Check that DeviceProvider.Redundancy matches Setting['*Goal'].
Return None if so or string with error message if it does
not match.
If any of the *Goal property is missing, the min/max is checked
if it fits.
"""
drgoal = setting.get('DataRedundancyGoal', None)
if (drgoal is not None
and int(drgoal) != redundancy.data_redundancy):
return "DataRedundancyGoal does not match."
esgoal = setting.get('ExtentStripeLength', None)
if (esgoal is not None
and int(esgoal) != redundancy.stripe_length):
return "ExtentStripeLength does not match."
prgoal = setting.get('PackageRedundancyGoal', None)
if (prgoal is not None
and prgoal != redundancy.package_redundancy):
return "PackageRedundancyGoal does not match."
nspof = setting.get('NoSinglePointOfFailure', None)
if (nspof is not None
and SettingProvider.string_to_bool(nspof)
!= redundancy.no_single_point_of_failure):
return "NoSinglePointOfFailure does not match."
parity = setting.get('ParityLayout', None)
if (parity is not None
and int(parity) != redundancy.parity_layout):
return "ParityLayout does not match."
return self._check_redundancy_setting(redundancy, setting)
