def _MergeValidateOsParams(self, instance):
"Handle the OS parameter merging and validation for the target instance."
node_uuids = list(self.cfg.GetInstanceNodes(instance.uuid))
self.op.osparams = self.op.osparams or {}
self.op.osparams_private = self.op.osparams_private or {}
self.op.osparams_secret = self.op.osparams_secret or {}
# Handle the use of 'default' values.
params_public = GetUpdatedParams(instance.osparams, self.op.osparams)
params_private = GetUpdatedParams(instance.osparams_private,
self.op.osparams_private)
params_secret = self.op.osparams_secret
# Handle OS parameters
if self.op.os_type is not None:
instance_os = self.op.os_type
else:
instance_os = instance.os
cluster = self.cfg.GetClusterInfo()
self.osparams = cluster.SimpleFillOS(instance_os,
params_public,
os_params_private=params_private,
os_params_secret=params_secret)
self.osparams_private = params_private
self.osparams_secret = params_secret
CheckOSParams(self, True, node_uuids, instance_os, self.osparams,
self.op.force_variant)
def _MergeValidateOsParams(self, instance):
"Handle the OS parameter merging and validation for the target instance."
node_uuids = list(self.cfg.GetInstanceNodes(instance.uuid))
self.op.osparams = self.op.osparams or {}
self.op.osparams_private = self.op.osparams_private or {}
self.op.osparams_secret = self.op.osparams_secret or {}
self.op.remove_osparams = self.op.remove_osparams or []
self.op.remove_osparams_private = self.op.remove_osparams_private or []
# Handle the use of 'default' values.
if self.op.clear_osparams:
instance.osparams.clear()
if self.op.clear_osparams_private:
instance.osparams_private.clear()
params_public = GetUpdatedParams(instance.osparams, self.op.osparams)
params_private = GetUpdatedParams(instance.osparams_private,
self.op.osparams_private)
params_secret = self.op.osparams_secret
for osp in self.op.remove_osparams:
if osp in params_public:
del params_public[osp]
else:
self.LogWarning(
"Trying to remove OS parameter %s but parameter"
" does not exist" % osp)
for osp in self.op.remove_osparams_private:
if osp in params_private:
del params_private[osp]
else:
self.LogWarning("Trying to remove private OS parameter %s but"
" parameter does not exist" % osp)
# Handle OS parameters
if self.op.os_type is not None:
instance_os = self.op.os_type
else:
instance_os = instance.os
cluster = self.cfg.GetClusterInfo()
self.osparams = cluster.SimpleFillOS(instance_os,
params_public,
os_params_private=params_private,
os_params_secret=params_secret)
self.osparams_private = params_private
self.osparams_secret = params_secret
CheckOSParams(self, True, node_uuids, instance_os, self.osparams,
self.op.force_variant)
def _UpdateAndVerifyDiskParams(old, new):
"""Updates and verifies disk parameters.
"""
new_params = GetUpdatedParams(old, new)
utils.ForceDictType(new_params, constants.DISK_DT_TYPES)
return new_params
def CheckPrereq(self):
"""Check prerequisites.
"""
owned_instance_names = frozenset(
self.owned_locks(locking.LEVEL_INSTANCE))
# Check if locked instances are still correct
CheckNodeGroupInstances(self.cfg, self.group_uuid,
owned_instance_names)
self.group = self.cfg.GetNodeGroup(self.group_uuid)
cluster = self.cfg.GetClusterInfo()
if self.group is None:
raise errors.OpExecError(
"Could not retrieve group '%s' (UUID: %s)" %
(self.op.group_name, self.group_uuid))
if self.op.ndparams:
new_ndparams = GetUpdatedParams(self.group.ndparams,
self.op.ndparams)
utils.ForceDictType(new_ndparams, constants.NDS_PARAMETER_TYPES)
self.new_ndparams = new_ndparams
if self.op.diskparams:
diskparams = self.group.diskparams
uavdp = self._UpdateAndVerifyDiskParams
# For each disktemplate subdict update and verify the values
new_diskparams = dict(
(dt, uavdp(diskparams.get(dt, {}), self.op.diskparams[dt]))
for dt in constants.DISK_TEMPLATES if dt in self.op.diskparams)
# As we've all subdicts of diskparams ready, lets merge the actual
# dict with all updated subdicts
self.new_diskparams = objects.FillDict(diskparams, new_diskparams)
try:
utils.VerifyDictOptions(self.new_diskparams,
constants.DISK_DT_DEFAULTS)
CheckDiskAccessModeConsistency(self.new_diskparams,
self.cfg,
group=self.group)
except errors.OpPrereqError as err:
raise errors.OpPrereqError(
"While verify diskparams options: %s" % err,
errors.ECODE_INVAL)
if self.op.hv_state:
self.new_hv_state = MergeAndVerifyHvState(
self.op.hv_state, self.group.hv_state_static)
if self.op.disk_state:
self.new_disk_state = \
MergeAndVerifyDiskState(self.op.disk_state,
self.group.disk_state_static)
self._CheckIpolicy(cluster, owned_instance_names)