def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster and is not running.
"""
instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
CheckNodeOnline(self, instance.primary_node, "Instance primary node"
" offline, cannot reinstall")
if not instance.disks:
raise errors.OpPrereqError(
"Instance '%s' has no disks" % self.op.instance_name,
errors.ECODE_INVAL)
CheckInstanceState(self,
instance,
INSTANCE_DOWN,
msg="cannot reinstall")
# Handle OS parameters
self._MergeValidateOsParams(instance)
self.instance = instance
def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster and is not running.
"""
(self.op.instance_uuid, self.op.instance_name) = \
ExpandInstanceUuidAndName(self.cfg, self.op.instance_uuid,
self.op.instance_name)
instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert instance is not None
# It should actually not happen that an instance is running with a disabled
# disk template, but in case it does, the renaming of file-based instances
# will fail horribly. Thus, we test it before.
for disk in self.cfg.GetInstanceDisks(instance.uuid):
if (disk.dev_type in constants.DTS_FILEBASED
and self.op.new_name != instance.name):
# TODO: when disks are separate objects, this should check for disk
# types, not disk templates.
CheckDiskTemplateEnabled(self.cfg.GetClusterInfo(),
disk.dev_type)
CheckNodeOnline(self, instance.primary_node)
CheckInstanceState(self,
instance,
INSTANCE_NOT_RUNNING,
msg="cannot rename")
self.instance = instance
self._PerformChecksAndResolveNewName()
if self.op.new_name != instance.name:
CheckInstanceExistence(self, self.op.new_name)
def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster.
"""
self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert self.instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
CheckNodeOnline(self, self.instance.primary_node)
# check bridges existence
CheckInstanceBridgesExist(self, self.instance)
def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster.
"""
self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert self.instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
if not self.op.force:
CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
else:
self.LogWarning("Ignoring offline instance check")
self.primary_offline = \
self.cfg.GetNodeInfo(self.instance.primary_node).offline
if self.primary_offline and self.op.ignore_offline_nodes:
self.LogWarning("Ignoring offline primary node")
else:
CheckNodeOnline(self, self.instance.primary_node)
def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster.
"""
self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert self.instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
if self.op.force:
self.LogWarning("Ignoring offline instance check")
else:
CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
self.primary_offline = \
self.cfg.GetNodeInfo(self.instance.primary_node).offline
if self.primary_offline and self.op.ignore_offline_nodes:
self.LogWarning("Ignoring offline primary node")
else:
CheckNodeOnline(self, self.instance.primary_node)
if self.op.admin_state_source == constants.USER_SOURCE:
cluster = self.cfg.GetClusterInfo()
result = self.rpc.call_instance_info(
self.instance.primary_node, self.instance.name,
self.instance.hypervisor,
cluster.hvparams[self.instance.hypervisor])
result.Raise("Error checking instance '%s'" % self.instance.name,
prereq=True)
if not _IsInstanceUserDown(cluster, self.instance, result.payload):
raise errors.OpPrereqError(
"Instance '%s' was not shutdown by the user" %
self.instance.name)
def CheckPrereq(self):
"""Check prerequisites.
This checks that the instance is in the cluster.
"""
self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid)
assert self.instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
cluster = self.cfg.GetClusterInfo()
# extra hvparams
if self.op.hvparams:
# check hypervisor parameter syntax (locally)
utils.ForceDictType(self.op.hvparams,
constants.HVS_PARAMETER_TYPES)
filled_hvp = cluster.FillHV(self.instance)
filled_hvp.update(self.op.hvparams)
hv_type = hypervisor.GetHypervisorClass(self.instance.hypervisor)
hv_type.CheckParameterSyntax(filled_hvp)
CheckHVParams(self, self.cfg.GetInstanceNodes(self.instance.uuid),
self.instance.hypervisor, filled_hvp)
CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
self.primary_offline = \
self.cfg.GetNodeInfo(self.instance.primary_node).offline
if self.primary_offline and self.op.ignore_offline_nodes:
self.LogWarning("Ignoring offline primary node")
if self.op.hvparams or self.op.beparams:
self.LogWarning("Overridden parameters are ignored")
else:
CheckNodeOnline(self, self.instance.primary_node)
bep = self.cfg.GetClusterInfo().FillBE(self.instance)
bep.update(self.op.beparams)
# check bridges existence
CheckInstanceBridgesExist(self, self.instance)
remote_info = self.rpc.call_instance_info(
self.instance.primary_node, self.instance.name,
self.instance.hypervisor,
cluster.hvparams[self.instance.hypervisor])
remote_info.Raise("Error checking node %s" %
self.cfg.GetNodeName(self.instance.primary_node),
prereq=True,
ecode=errors.ECODE_ENVIRON)
self.requires_cleanup = False
if remote_info.payload:
if _IsInstanceUserDown(self.cfg.GetClusterInfo(),
self.instance, remote_info.payload):
self.requires_cleanup = True
else: # not running already
CheckNodeFreeMemory(
self, self.instance.primary_node,
"starting instance %s" % self.instance.name,
bep[constants.BE_MINMEM], self.instance.hypervisor,
self.cfg.GetClusterInfo().hvparams[
self.instance.hypervisor])
