self.LogStep = processor.LogStep # pylint: disable-msg=C0103
# support for dry-run
self.dry_run_result = None
+ # support for generic debug attribute
+ if (not hasattr(self.op, "debug_level") or
+ not isinstance(self.op.debug_level, int)):
+ self.op.debug_level = 0
# Tasklets
self.tasklets = None
else:
assert locking.LEVEL_INSTANCE not in self.needed_locks, \
"_ExpandAndLockInstance called with instance-level locks set"
- expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name)
- if expanded_name is None:
- raise errors.OpPrereqError("Instance '%s' not known" %
- self.op.instance_name, errors.ECODE_NOENT)
- self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
- self.op.instance_name = expanded_name
+ self.op.instance_name = _ExpandInstanceName(self.cfg,
+ self.op.instance_name)
+ self.needed_locks[locking.LEVEL_INSTANCE] = self.op.instance_name
def _LockInstancesNodes(self, primary_only=False):
"""Helper function to declare instances' nodes for locking.
@param nodes: list of node names or None for all nodes
@rtype: list
@return: the list of nodes, sorted
- @raise errors.OpProgrammerError: if the nodes parameter is wrong type
+ @raise errors.ProgrammerError: if the nodes parameter is wrong type
"""
if not isinstance(nodes, list):
raise errors.ProgrammerError("_GetWantedNodes should only be called with a"
" non-empty list of nodes whose name is to be expanded.")
- wanted = []
- for name in nodes:
- node = lu.cfg.ExpandNodeName(name)
- if node is None:
- raise errors.OpPrereqError("No such node name '%s'" % name,
- errors.ECODE_NOENT)
- wanted.append(node)
-
+ wanted = [_ExpandNodeName(lu.cfg, name) for name in nodes]
return utils.NiceSort(wanted)
errors.ECODE_INVAL)
if instances:
- wanted = []
-
- for name in instances:
- instance = lu.cfg.ExpandInstanceName(name)
- if instance is None:
- raise errors.OpPrereqError("No such instance name '%s'" % name,
- errors.ECODE_NOENT)
- wanted.append(instance)
-
+ wanted = [_ExpandInstanceName(lu.cfg, name) for name in instances]
else:
wanted = utils.NiceSort(lu.cfg.GetInstanceList())
return wanted
errors.ECODE_INVAL)
+def _ExpandItemName(fn, name, kind):
+ """Expand an item name.
+
+ @param fn: the function to use for expansion
+ @param name: requested item name
+ @param kind: text description ('Node' or 'Instance')
+ @return: the resolved (full) name
+ @raise errors.OpPrereqError: if the item is not found
+
+ """
+ full_name = fn(name)
+ if full_name is None:
+ raise errors.OpPrereqError("%s '%s' not known" % (kind, name),
+ errors.ECODE_NOENT)
+ return full_name
+
+
+def _ExpandNodeName(cfg, name):
+ """Wrapper over L{_ExpandItemName} for nodes."""
+ return _ExpandItemName(cfg.ExpandNodeName, name, "Node")
+
+
+def _ExpandInstanceName(cfg, name):
+ """Wrapper over L{_ExpandItemName} for instance."""
+ return _ExpandItemName(cfg.ExpandInstanceName, name, "Instance")
+
+
def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status,
memory, vcpus, nics, disk_template, disks,
bep, hvp, hypervisor_name):
if self.op.instances:
self.wanted_names = []
for name in self.op.instances:
- full_name = self.cfg.ExpandInstanceName(name)
- if full_name is None:
- raise errors.OpPrereqError("Instance '%s' not known" % name,
- errors.ECODE_NOENT)
+ full_name = _ExpandInstanceName(self.cfg, name)
self.wanted_names.append(full_name)
self.needed_locks = {
locking.LEVEL_NODE: [],
Any errors are signaled by raising errors.OpPrereqError.
"""
- node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name))
- if node is None:
- raise errors.OpPrereqError("Node '%s' is unknown." % self.op.node_name,
- errors.ECODE_NOENT)
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
+ node = self.cfg.GetNodeInfo(self.op.node_name)
+ assert node is not None
instance_list = self.cfg.GetInstanceList()
REQ_BGL = False
def CheckArguments(self):
- node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if node_name is None:
- raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name,
- errors.ECODE_NOENT)
-
- self.op.node_name = node_name
+ self.opnode_name = _ExpandNodeName(self.cfg, self.op.node_name)
storage_type = self.op.storage_type
if storage_type not in constants.VALID_STORAGE_TYPES:
REQ_BGL = False
def CheckArguments(self):
- node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if node_name is None:
- raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name,
- errors.ECODE_INVAL)
- self.op.node_name = node_name
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
_CheckBooleanOpField(self.op, 'master_candidate')
_CheckBooleanOpField(self.op, 'offline')
_CheckBooleanOpField(self.op, 'drained')
REQ_BGL = False
def CheckArguments(self):
- node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if node_name is None:
- raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name,
- errors.ECODE_NOENT)
- self.op.node_name = node_name
- if node_name == self.cfg.GetMasterNode() and not self.op.force:
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
+ if self.op.node_name == self.cfg.GetMasterNode() and not self.op.force:
raise errors.OpPrereqError("The node is the master and the force"
" parameter was not set",
errors.ECODE_INVAL)
self.op.force_variant = getattr(self.op, "force_variant", False)
if self.op.os_type is not None:
# OS verification
- pnode = self.cfg.GetNodeInfo(
- self.cfg.ExpandNodeName(instance.primary_node))
- if pnode is None:
- raise errors.OpPrereqError("Primary node '%s' is unknown" %
- self.op.pnode, errors.ECODE_NOENT)
- result = self.rpc.call_os_get(pnode.name, self.op.os_type)
+ pnode = _ExpandNodeName(self.cfg, instance.primary_node)
+ result = self.rpc.call_os_get(pnode, self.op.os_type)
result.Raise("OS '%s' not in supported OS list for primary node %s" %
- (self.op.os_type, pnode.name),
+ (self.op.os_type, pnode),
prereq=True, ecode=errors.ECODE_INVAL)
if not self.op.force_variant:
_CheckOSVariant(result.payload, self.op.os_type)
try:
feedback_fn("Running the instance OS create scripts...")
# FIXME: pass debug option from opcode to backend
- result = self.rpc.call_instance_os_add(inst.primary_node, inst, True, 0)
+ result = self.rpc.call_instance_os_add(inst.primary_node, inst, True,
+ self.op.debug_level)
result.Raise("Could not install OS for instance %s on node %s" %
(inst.name, inst.primary_node))
finally:
This checks that the instance is in the cluster and is not running.
"""
- instance = self.cfg.GetInstanceInfo(
- self.cfg.ExpandInstanceName(self.op.instance_name))
- if instance is None:
- raise errors.OpPrereqError("Instance '%s' not known" %
- self.op.instance_name, errors.ECODE_NOENT)
+ self.op.instance_name = _ExpandInstanceName(self.cfg,
+ self.op.instance_name)
+ instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert instance is not None
_CheckNodeOnline(self, instance.primary_node)
if instance.admin_up:
_StartInstanceDisks(self, inst, None)
try:
result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
- old_name, 0)
+ old_name, self.op.debug_level)
msg = result.fail_msg
if msg:
msg = ("Could not run OS rename script for instance %s on node %s"
env = _BuildInstanceHookEnvByObject(self, self.instance)
env["SHUTDOWN_TIMEOUT"] = self.shutdown_timeout
nl = [self.cfg.GetMasterNode()]
- return env, nl, nl
+ nl_post = list(self.instance.all_nodes) + nl
+ return env, nl, nl_post
def CheckPrereq(self):
"""Check prerequisites.
This runs on master, primary and secondary nodes of the instance.
"""
+ instance = self.instance
+ source_node = instance.primary_node
+ target_node = instance.secondary_nodes[0]
env = {
"IGNORE_CONSISTENCY": self.op.ignore_consistency,
"SHUTDOWN_TIMEOUT": self.shutdown_timeout,
+ "OLD_PRIMARY": source_node,
+ "OLD_SECONDARY": target_node,
+ "NEW_PRIMARY": target_node,
+ "NEW_SECONDARY": source_node,
}
- env.update(_BuildInstanceHookEnvByObject(self, self.instance))
- nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes)
- return env, nl, nl
+ env.update(_BuildInstanceHookEnvByObject(self, instance))
+ nl = [self.cfg.GetMasterNode()] + list(instance.secondary_nodes)
+ nl_post = list(nl)
+ nl_post.append(source_node)
+ return env, nl, nl_post
def CheckPrereq(self):
"""Check prerequisites.
"""
instance = self._migrater.instance
+ source_node = instance.primary_node
+ target_node = instance.secondary_nodes[0]
env = _BuildInstanceHookEnvByObject(self, instance)
env["MIGRATE_LIVE"] = self.op.live
env["MIGRATE_CLEANUP"] = self.op.cleanup
+ env.update({
+ "OLD_PRIMARY": source_node,
+ "OLD_SECONDARY": target_node,
+ "NEW_PRIMARY": target_node,
+ "NEW_SECONDARY": source_node,
+ })
nl = [self.cfg.GetMasterNode()] + list(instance.secondary_nodes)
- return env, nl, nl
+ nl_post = list(nl)
+ nl_post.append(source_node)
+ return env, nl, nl_post
class LUMoveInstance(LogicalUnit):
def ExpandNames(self):
self._ExpandAndLockInstance()
- target_node = self.cfg.ExpandNodeName(self.op.target_node)
- if target_node is None:
- raise errors.OpPrereqError("Node '%s' not known" %
- self.op.target_node, errors.ECODE_NOENT)
+ target_node = _ExpandNodeName(self.cfg, self.op.target_node)
self.op.target_node = target_node
self.needed_locks[locking.LEVEL_NODE] = [target_node]
self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
REQ_BGL = False
def ExpandNames(self):
- self.op.node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if self.op.node_name is None:
- raise errors.OpPrereqError("Node '%s' not known" % self.op.node_name,
- errors.ECODE_NOENT)
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
self.needed_locks = {
locking.LEVEL_NODE: [self.op.node_name],
This checks that the instance is in the cluster.
"""
- instance = self.cfg.GetInstanceInfo(
- self.cfg.ExpandInstanceName(self.instance_name))
- if instance is None:
- raise errors.OpPrereqError("Instance '%s' not known" %
- self.instance_name, errors.ECODE_NOENT)
+ instance_name = _ExpandInstanceName(self.lu.cfg, self.instance_name)
+ instance = self.cfg.GetInstanceInfo(instance_name)
+ assert instance is not None
if instance.disk_template != constants.DT_DRBD8:
raise errors.OpPrereqError("Instance's disk layout is not"
raise errors.OpPrereqError("Cannot do ip checks without a name check",
errors.ECODE_INVAL)
- def _ExpandNode(self, node):
- """Expands and checks one node name.
-
- """
- node_full = self.cfg.ExpandNodeName(node)
- if node_full is None:
- raise errors.OpPrereqError("Unknown node %s" % node, errors.ECODE_NOENT)
- return node_full
-
def ExpandNames(self):
"""ExpandNames for CreateInstance.
if self.op.iallocator:
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
else:
- self.op.pnode = self._ExpandNode(self.op.pnode)
+ self.op.pnode = _ExpandNodeName(self.cfg, self.op.pnode)
nodelist = [self.op.pnode]
if self.op.snode is not None:
- self.op.snode = self._ExpandNode(self.op.snode)
+ self.op.snode = _ExpandNodeName(self.cfg, self.op.snode)
nodelist.append(self.op.snode)
self.needed_locks[locking.LEVEL_NODE] = nodelist
" path requires a source node option.",
errors.ECODE_INVAL)
else:
- self.op.src_node = src_node = self._ExpandNode(src_node)
+ self.op.src_node = src_node = _ExpandNodeName(self.cfg, src_node)
if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET:
self.needed_locks[locking.LEVEL_NODE].append(src_node)
if not os.path.isabs(src_path):
if self.op.mode == constants.INSTANCE_CREATE:
feedback_fn("* running the instance OS create scripts...")
# FIXME: pass debug option from opcode to backend
- result = self.rpc.call_instance_os_add(pnode_name, iobj, False, 0)
+ result = self.rpc.call_instance_os_add(pnode_name, iobj, False,
+ self.op.debug_level)
result.Raise("Could not add os for instance %s"
" on node %s" % (instance, pnode_name))
# FIXME: pass debug option from opcode to backend
import_result = self.rpc.call_instance_os_import(pnode_name, iobj,
src_node, src_images,
- cluster_name, 0)
+ cluster_name,
+ self.op.debug_level)
msg = import_result.fail_msg
if msg:
self.LogWarning("Error while importing the disk images for instance"
self.op.remote_node = None
if not hasattr(self.op, "iallocator"):
self.op.iallocator = None
+ if not hasattr(self.op, "early_release"):
+ self.op.early_release = False
TLReplaceDisks.CheckArguments(self.op.mode, self.op.remote_node,
self.op.iallocator)
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
elif self.op.remote_node is not None:
- remote_node = self.cfg.ExpandNodeName(self.op.remote_node)
- if remote_node is None:
- raise errors.OpPrereqError("Node '%s' not known" %
- self.op.remote_node, errors.ECODE_NOENT)
-
+ remote_node = _ExpandNodeName(self.cfg, self.op.remote_node)
self.op.remote_node = remote_node
# Warning: do not remove the locking of the new secondary here
self.replacer = TLReplaceDisks(self, self.op.instance_name, self.op.mode,
self.op.iallocator, self.op.remote_node,
- self.op.disks, False)
+ self.op.disks, False, self.op.early_release)
self.tasklets = [self.replacer]
self.op.remote_node = None
if not hasattr(self.op, "iallocator"):
self.op.iallocator = None
+ if not hasattr(self.op, "early_release"):
+ self.op.early_release = False
TLReplaceDisks.CheckArguments(constants.REPLACE_DISK_CHG,
self.op.remote_node,
self.op.iallocator)
def ExpandNames(self):
- self.op.node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if self.op.node_name is None:
- raise errors.OpPrereqError("Node '%s' not known" % self.op.node_name,
- errors.ECODE_NOENT)
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
self.needed_locks = {}
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
elif self.op.remote_node is not None:
- remote_node = self.cfg.ExpandNodeName(self.op.remote_node)
- if remote_node is None:
- raise errors.OpPrereqError("Node '%s' not known" %
- self.op.remote_node, errors.ECODE_NOENT)
-
- self.op.remote_node = remote_node
+ self.op.remote_node = _ExpandNodeName(self.cfg, self.op.remote_node)
# Warning: do not remove the locking of the new secondary here
# unless DRBD8.AddChildren is changed to work in parallel;
# currently it doesn't since parallel invocations of
# FindUnusedMinor will conflict
- self.needed_locks[locking.LEVEL_NODE] = [remote_node]
+ self.needed_locks[locking.LEVEL_NODE] = [self.op.remote_node]
self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
else:
replacer = TLReplaceDisks(self, inst.name, constants.REPLACE_DISK_CHG,
self.op.iallocator, self.op.remote_node, [],
- True)
+ True, self.op.early_release)
tasklets.append(replacer)
self.tasklets = tasklets
"""
def __init__(self, lu, instance_name, mode, iallocator_name, remote_node,
- disks, delay_iallocator):
+ disks, delay_iallocator, early_release):
"""Initializes this class.
"""
self.remote_node = remote_node
self.disks = disks
self.delay_iallocator = delay_iallocator
+ self.early_release = early_release
# Runtime data
self.instance = None
_CheckNodeNotDrained(self.lu, remote_node)
+ old_node_info = self.cfg.GetNodeInfo(secondary_node)
+ assert old_node_info is not None
+ if old_node_info.offline and not self.early_release:
+ # doesn't make sense to delay the release
+ self.early_release = True
+ self.lu.LogInfo("Old secondary %s is offline, automatically enabling"
+ " early-release mode", secondary_node)
+
else:
raise errors.ProgrammerError("Unhandled disk replace mode (%s)" %
self.mode)
self.lu.LogWarning("Can't remove old LV: %s" % msg,
hint="remove unused LVs manually")
+ def _ReleaseNodeLock(self, node_name):
+ """Releases the lock for a given node."""
+ self.lu.context.glm.release(locking.LEVEL_NODE, node_name)
+
def _ExecDrbd8DiskOnly(self, feedback_fn):
"""Replace a disk on the primary or secondary for DRBD 8.
self.cfg.Update(self.instance, feedback_fn)
+ cstep = 5
+ if self.early_release:
+ self.lu.LogStep(cstep, steps_total, "Removing old storage")
+ cstep += 1
+ self._RemoveOldStorage(self.target_node, iv_names)
+ # WARNING: we release both node locks here, do not do other RPCs
+ # than WaitForSync to the primary node
+ self._ReleaseNodeLock([self.target_node, self.other_node])
+
# Wait for sync
# This can fail as the old devices are degraded and _WaitForSync
# does a combined result over all disks, so we don't check its return value
- self.lu.LogStep(5, steps_total, "Sync devices")
+ self.lu.LogStep(cstep, steps_total, "Sync devices")
+ cstep += 1
_WaitForSync(self.lu, self.instance)
# Check all devices manually
self._CheckDevices(self.instance.primary_node, iv_names)
# Step: remove old storage
- self.lu.LogStep(6, steps_total, "Removing old storage")
- self._RemoveOldStorage(self.target_node, iv_names)
+ if not self.early_release:
+ self.lu.LogStep(cstep, steps_total, "Removing old storage")
+ cstep += 1
+ self._RemoveOldStorage(self.target_node, iv_names)
def _ExecDrbd8Secondary(self, feedback_fn):
"""Replace the secondary node for DRBD 8.
to_node, msg,
hint=("please do a gnt-instance info to see the"
" status of disks"))
+ cstep = 5
+ if self.early_release:
+ self.lu.LogStep(cstep, steps_total, "Removing old storage")
+ cstep += 1
+ self._RemoveOldStorage(self.target_node, iv_names)
+ # WARNING: we release all node locks here, do not do other RPCs
+ # than WaitForSync to the primary node
+ self._ReleaseNodeLock([self.instance.primary_node,
+ self.target_node,
+ self.new_node])
# Wait for sync
# This can fail as the old devices are degraded and _WaitForSync
# does a combined result over all disks, so we don't check its return value
- self.lu.LogStep(5, steps_total, "Sync devices")
+ self.lu.LogStep(cstep, steps_total, "Sync devices")
+ cstep += 1
_WaitForSync(self.lu, self.instance)
# Check all devices manually
self._CheckDevices(self.instance.primary_node, iv_names)
# Step: remove old storage
- self.lu.LogStep(6, steps_total, "Removing old storage")
- self._RemoveOldStorage(self.target_node, iv_names)
+ if not self.early_release:
+ self.lu.LogStep(cstep, steps_total, "Removing old storage")
+ self._RemoveOldStorage(self.target_node, iv_names)
class LURepairNodeStorage(NoHooksLU):
REQ_BGL = False
def CheckArguments(self):
- node_name = self.cfg.ExpandNodeName(self.op.node_name)
- if node_name is None:
- raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name,
- errors.ECODE_NOENT)
-
- self.op.node_name = node_name
+ self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
def ExpandNames(self):
self.needed_locks = {
"AMOUNT": self.op.amount,
}
env.update(_BuildInstanceHookEnvByObject(self, self.instance))
- nl = [
- self.cfg.GetMasterNode(),
- self.instance.primary_node,
- ]
+ nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
return env, nl, nl
def CheckPrereq(self):
if self.op.instances:
self.wanted_names = []
for name in self.op.instances:
- full_name = self.cfg.ExpandInstanceName(name)
- if full_name is None:
- raise errors.OpPrereqError("Instance '%s' not known" % name,
- errors.ECODE_NOENT)
+ full_name = _ExpandInstanceName(self.cfg, name)
self.wanted_names.append(full_name)
self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names
else:
"Cannot retrieve locked instance %s" % self.op.instance_name
_CheckNodeOnline(self, self.instance.primary_node)
- self.dst_node = self.cfg.GetNodeInfo(
- self.cfg.ExpandNodeName(self.op.target_node))
+ self.op.target_node = _ExpandNodeName(self.cfg, self.op.target_node)
+ self.dst_node = self.cfg.GetNodeInfo(self.op.target_node)
+ assert self.dst_node is not None
- if self.dst_node is None:
- # This is wrong node name, not a non-locked node
- raise errors.OpPrereqError("Wrong node name %s" % self.op.target_node,
- errors.ECODE_NOENT)
_CheckNodeOnline(self, self.dst_node.name)
_CheckNodeNotDrained(self, self.dst_node.name)
# FIXME: pass debug from opcode to backend
result = self.rpc.call_snapshot_export(src_node, dev, dst_node.name,
instance, cluster_name,
- idx, 0)
+ idx, self.op.debug_level)
msg = result.fail_msg
if msg:
self.LogWarning("Could not export disk/%s from node %s to"
def ExpandNames(self):
self.needed_locks = {}
if self.op.kind == constants.TAG_NODE:
- name = self.cfg.ExpandNodeName(self.op.name)
- if name is None:
- raise errors.OpPrereqError("Invalid node name (%s)" %
- (self.op.name,), errors.ECODE_NOENT)
- self.op.name = name
- self.needed_locks[locking.LEVEL_NODE] = name
+ self.op.name = _ExpandNodeName(self.cfg, self.op.name)
+ self.needed_locks[locking.LEVEL_NODE] = self.op.name
elif self.op.kind == constants.TAG_INSTANCE:
- name = self.cfg.ExpandInstanceName(self.op.name)
- if name is None:
- raise errors.OpPrereqError("Invalid instance name (%s)" %
- (self.op.name,), errors.ECODE_NOENT)
- self.op.name = name
- self.needed_locks[locking.LEVEL_INSTANCE] = name
+ self.op.name = _ExpandInstanceName(self.cfg, self.op.name)
+ self.needed_locks[locking.LEVEL_INSTANCE] = self.op.name
def CheckPrereq(self):
"""Check prerequisites.
if not hasattr(self.op, "name"):
raise errors.OpPrereqError("Missing attribute 'name' on opcode input",
errors.ECODE_INVAL)
- fname = self.cfg.ExpandInstanceName(self.op.name)
- if fname is None:
- raise errors.OpPrereqError("Instance '%s' not found for relocation" %
- self.op.name, errors.ECODE_NOENT)
+ fname = _ExpandInstanceName(self.cfg, self.op.name)
self.op.name = fname
self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes
else: