self.owned_locks = context.glm.list_owned
self.context = context
self.rpc = rpc_runner
- # Dicts used to declare locking needs to mcpu
+
+ # Dictionaries used to declare locking needs to mcpu
self.needed_locks = None
self.share_locks = dict.fromkeys(locking.LEVELS, 0)
+ self.opportunistic_locks = dict.fromkeys(locking.LEVELS, False)
+
self.add_locks = {}
self.remove_locks = {}
+
# Used to force good behavior when calling helper functions
self.recalculate_locks = {}
+
# logging
self.Log = processor.Log # pylint: disable=C0103
self.LogWarning = processor.LogWarning # pylint: disable=C0103
locking.LEVEL_INSTANCE: inst_names,
locking.LEVEL_NODEGROUP: [self.group_uuid],
locking.LEVEL_NODE: [],
+
+ # This opcode is run by watcher every five minutes and acquires all nodes
+ # for a group. It doesn't run for a long time, so it's better to acquire
+ # the node allocation lock as well.
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
self.share_locks = _ShareAll()
locking.LEVEL_INSTANCE: [],
locking.LEVEL_NODEGROUP: [],
locking.LEVEL_NODE: [],
+
+ # This opcode is acquires all node locks in a group. LUClusterVerifyDisks
+ # starts one instance of this opcode for every group, which means all
+ # nodes will be locked for a short amount of time, so it's better to
+ # acquire the node allocation lock as well.
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
def DeclareLocks(self, level):
def ExpandNames(self):
if self.op.instances:
self.wanted_names = _GetWantedInstances(self, self.op.instances)
+ # Not getting the node allocation lock as only a specific set of
+ # instances (and their nodes) is going to be acquired
self.needed_locks = {
locking.LEVEL_NODE_RES: [],
locking.LEVEL_INSTANCE: self.wanted_names,
self.needed_locks = {
locking.LEVEL_NODE_RES: locking.ALL_SET,
locking.LEVEL_INSTANCE: locking.ALL_SET,
+
+ # This opcode is acquires the node locks for all instances
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
+
self.share_locks = {
locking.LEVEL_NODE_RES: 1,
locking.LEVEL_INSTANCE: 0,
+ locking.LEVEL_NODE_ALLOC: 1,
}
def DeclareLocks(self, level):
def ExpandNames(self):
# FIXME: in the future maybe other cluster params won't require checking on
# all nodes to be modified.
+ # FIXME: This opcode changes cluster-wide settings. Is acquiring all
+ # resource locks the right thing, shouldn't it be the BGL instead?
self.needed_locks = {
locking.LEVEL_NODE: locking.ALL_SET,
locking.LEVEL_INSTANCE: locking.ALL_SET,
locking.LEVEL_NODEGROUP: locking.ALL_SET,
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
- self.share_locks = {
- locking.LEVEL_NODE: 1,
- locking.LEVEL_INSTANCE: 1,
- locking.LEVEL_NODEGROUP: 1,
- }
+ self.share_locks = _ShareAll()
def BuildHooksEnv(self):
"""Build hooks env.
def ExpandNames(self):
self.needed_locks = {
locking.LEVEL_NODE: locking.ALL_SET,
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
- self.share_locks[locking.LEVEL_NODE] = 1
+ self.share_locks = _ShareAll()
def Exec(self, feedback_fn):
"""Redistribute the configuration.
locking.LEVEL_NODE: lock_names,
}
+ if not self.op.node_names:
+ # Acquire node allocation lock only if all nodes are affected
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
+ self.share_locks[locking.LEVEL_NODE_ALLOC] = 1
+
def CheckPrereq(self):
"""Check prerequisites.
if self.do_locking:
# If any non-static field is requested we need to lock the nodes
lu.needed_locks[locking.LEVEL_NODE] = self.wanted
+ lu.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
def DeclareLocks(self, lu, level):
pass
def ExpandNames(self):
self.share_locks = _ShareAll()
- self.needed_locks = {}
- if not self.op.nodes:
- self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ if self.op.nodes:
+ self.needed_locks = {
+ locking.LEVEL_NODE: _GetWantedNodes(self, self.op.nodes),
+ }
else:
- self.needed_locks[locking.LEVEL_NODE] = \
- _GetWantedNodes(self, self.op.nodes)
+ self.needed_locks = {
+ locking.LEVEL_NODE: locking.ALL_SET,
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
+ }
def Exec(self, feedback_fn):
"""Computes the list of nodes and their attributes.
def ExpandNames(self):
self.share_locks = _ShareAll()
- self.needed_locks = {}
if self.op.nodes:
- self.needed_locks[locking.LEVEL_NODE] = \
- _GetWantedNodes(self, self.op.nodes)
+ self.needed_locks = {
+ locking.LEVEL_NODE: _GetWantedNodes(self, self.op.nodes),
+ }
else:
- self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ self.needed_locks = {
+ locking.LEVEL_NODE: locking.ALL_SET,
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
+ }
def Exec(self, feedback_fn):
"""Computes the list of nodes and their attributes.
def ExpandNames(self):
if self.lock_all:
- self.needed_locks = {locking.LEVEL_NODE: locking.ALL_SET}
+ self.needed_locks = {
+ locking.LEVEL_NODE: locking.ALL_SET,
+
+ # Block allocations when all nodes are locked
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
+ }
else:
- self.needed_locks = {locking.LEVEL_NODE: self.op.node_name}
+ self.needed_locks = {
+ locking.LEVEL_NODE: self.op.node_name,
+ }
# Since modifying a node can have severe effects on currently running
# operations the resource lock is at least acquired in shared mode
self.needed_locks[locking.LEVEL_NODE_RES] = \
self.needed_locks[locking.LEVEL_NODE]
- # Get node resource and instance locks in shared mode; they are not used
- # for anything but read-only access
- self.share_locks[locking.LEVEL_NODE_RES] = 1
- self.share_locks[locking.LEVEL_INSTANCE] = 1
+ # Get all locks except nodes in shared mode; they are not used for anything
+ # but read-only access
+ self.share_locks = _ShareAll()
+ self.share_locks[locking.LEVEL_NODE] = 0
+ self.share_locks[locking.LEVEL_NODE_RES] = 0
+ self.share_locks[locking.LEVEL_NODE_ALLOC] = 0
if self.lock_instances:
self.needed_locks[locking.LEVEL_INSTANCE] = \
def ExpandNames(self):
self._ExpandAndLockInstance()
self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
+
if self.op.nodes:
self.op.nodes = [_ExpandNodeName(self.cfg, n) for n in self.op.nodes]
self.needed_locks[locking.LEVEL_NODE] = list(self.op.nodes)
if self.op.iallocator:
# iallocator will select a new node in the same group
self.needed_locks[locking.LEVEL_NODEGROUP] = []
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
+
self.needed_locks[locking.LEVEL_NODE_RES] = []
def DeclareLocks(self, level):
for group_uuid in self.owned_locks(locking.LEVEL_NODEGROUP):
self.needed_locks[locking.LEVEL_NODE].extend(
self.cfg.GetNodeGroup(group_uuid).members)
+
+ assert locking.NAL in self.owned_locks(locking.LEVEL_NODE_ALLOC)
elif not self.op.nodes:
self._LockInstancesNodes(primary_only=False)
elif level == locking.LEVEL_NODE_RES:
# Release unneeded node and node resource locks
_ReleaseLocks(self, locking.LEVEL_NODE, keep=self.op.nodes)
_ReleaseLocks(self, locking.LEVEL_NODE_RES, keep=self.op.nodes)
+ _ReleaseLocks(self, locking.LEVEL_NODE_ALLOC)
+
+ assert not self.glm.is_owned(locking.LEVEL_NODE_ALLOC)
def Exec(self, feedback_fn):
"""Recreate the disks.
# Change the instance lock. This is definitely safe while we hold the BGL.
# Otherwise the new lock would have to be added in acquired mode.
assert self.REQ_BGL
+ assert locking.BGL in self.owned_locks(locking.LEVEL_CLUSTER)
self.glm.remove(locking.LEVEL_INSTANCE, old_name)
self.glm.add(locking.LEVEL_INSTANCE, self.op.new_name)
lu.needed_locks[locking.LEVEL_NODE_RES] = []
lu.recalculate_locks[locking.LEVEL_NODE_RES] = constants.LOCKS_REPLACE
+ # The node allocation lock is actually only needed for replicated instances
+ # (e.g. DRBD8) and if an iallocator is used.
+ lu.needed_locks[locking.LEVEL_NODE_ALLOC] = []
+
def _DeclareLocksForMigration(lu, level):
"""Declares locks for L{TLMigrateInstance}.
@param level: Lock level
"""
- if level == locking.LEVEL_NODE:
+ if level == locking.LEVEL_NODE_ALLOC:
+ assert lu.op.instance_name in lu.owned_locks(locking.LEVEL_INSTANCE)
+
instance = lu.cfg.GetInstanceInfo(lu.op.instance_name)
+
if instance.disk_template in constants.DTS_EXT_MIRROR:
if lu.op.target_node is None:
lu.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ lu.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
else:
lu.needed_locks[locking.LEVEL_NODE] = [instance.primary_node,
lu.op.target_node]
del lu.recalculate_locks[locking.LEVEL_NODE]
else:
lu._LockInstancesNodes() # pylint: disable=W0212
+
+ elif level == locking.LEVEL_NODE:
+ # Node locks are declared together with the node allocation lock
+ assert lu.needed_locks[locking.LEVEL_NODE]
+
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
lu.needed_locks[locking.LEVEL_NODE_RES] = \
errors.ECODE_STATE)
if instance.disk_template in constants.DTS_EXT_MIRROR:
+ assert locking.NAL in self.lu.owned_locks(locking.LEVEL_NODE_ALLOC)
+
_CheckIAllocatorOrNode(self.lu, "iallocator", "target_node")
if self.lu.op.iallocator:
# in the LU
_ReleaseLocks(self.lu, locking.LEVEL_NODE,
keep=[instance.primary_node, self.target_node])
+ _ReleaseLocks(self.lu, locking.LEVEL_NODE_ALLOC)
else:
+ assert not self.lu.glm.is_owned(locking.LEVEL_NODE_ALLOC)
+
secondary_nodes = instance.secondary_nodes
if not secondary_nodes:
raise errors.ConfigurationError("No secondary node but using"
"""Run the allocator based on input opcode.
"""
+ assert locking.NAL in self.lu.owned_locks(locking.LEVEL_NODE_ALLOC)
+
# FIXME: add a self.ignore_ipolicy option
req = iallocator.IAReqRelocate(name=self.instance_name,
relocate_from=[self.instance.primary_node])
osname, node)
-def _CreateInstanceAllocRequest(op, disks, nics, beparams):
+def _CreateInstanceAllocRequest(op, disks, nics, beparams, node_whitelist):
"""Wrapper around IAReqInstanceAlloc.
@param op: The instance opcode
@param disks: The computed disks
@param nics: The computed nics
@param beparams: The full filled beparams
+ @param node_whitelist: List of nodes which should appear as online to the
+ allocator (unless the node is already marked offline)
@returns: A filled L{iallocator.IAReqInstanceAlloc}
spindle_use=spindle_use,
disks=disks,
nics=[n.ToDict() for n in nics],
- hypervisor=op.hypervisor)
+ hypervisor=op.hypervisor,
+ node_whitelist=node_whitelist)
-def _ComputeNics(op, cluster, default_ip, cfg, proc):
+def _ComputeNics(op, cluster, default_ip, cfg, ec_id):
"""Computes the nics.
@param op: The instance opcode
@param cluster: Cluster configuration object
@param default_ip: The default ip to assign
@param cfg: An instance of the configuration object
- @param proc: The executer instance
+ @param ec_id: Execution context ID
@returns: The build up nics
try:
# TODO: We need to factor this out
- cfg.ReserveMAC(mac, proc.GetECId())
+ cfg.ReserveMAC(mac, ec_id)
except errors.ReservationError:
raise errors.OpPrereqError("MAC address %s already in use"
" in cluster" % mac,
# specifying a group on instance creation and then selecting nodes from
# that group
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
- self.needed_locks[locking.LEVEL_NODE_RES] = locking.ALL_SET
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
+
+ if self.op.opportunistic_locking:
+ self.opportunistic_locks[locking.LEVEL_NODE] = True
+ self.opportunistic_locks[locking.LEVEL_NODE_RES] = True
else:
self.op.pnode = _ExpandNodeName(self.cfg, self.op.pnode)
nodelist = [self.op.pnode]
self.op.snode = _ExpandNodeName(self.cfg, self.op.snode)
nodelist.append(self.op.snode)
self.needed_locks[locking.LEVEL_NODE] = nodelist
- # Lock resources of instance's primary and secondary nodes (copy to
- # prevent accidential modification)
- self.needed_locks[locking.LEVEL_NODE_RES] = list(nodelist)
# in case of import lock the source node too
if self.op.mode == constants.INSTANCE_IMPORT:
if src_node is None:
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
self.op.src_node = None
if os.path.isabs(src_path):
raise errors.OpPrereqError("Importing an instance from a path"
self.op.src_path = src_path = \
utils.PathJoin(pathutils.EXPORT_DIR, src_path)
+ self.needed_locks[locking.LEVEL_NODE_RES] = \
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
+
def _RunAllocator(self):
"""Run the allocator based on input opcode.
"""
+ if self.op.opportunistic_locking:
+ # Only consider nodes for which a lock is held
+ node_whitelist = self.owned_locks(locking.LEVEL_NODE)
+ else:
+ node_whitelist = None
+
#TODO Export network to iallocator so that it chooses a pnode
# in a nodegroup that has the desired network connected to
req = _CreateInstanceAllocRequest(self.op, self.disks,
- self.nics, self.be_full)
+ self.nics, self.be_full,
+ node_whitelist)
ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
if not ial.success:
+ # When opportunistic locks are used only a temporary failure is generated
+ if self.op.opportunistic_locking:
+ ecode = errors.ECODE_TEMP_NORES
+ else:
+ ecode = errors.ECODE_NORES
+
raise errors.OpPrereqError("Can't compute nodes using"
" iallocator '%s': %s" %
(self.op.iallocator, ial.info),
- errors.ECODE_NORES)
+ ecode)
+
self.op.pnode = ial.result[0]
self.LogInfo("Selected nodes for instance %s via iallocator %s: %s",
self.op.instance_name, self.op.iallocator,
# NIC buildup
self.nics = _ComputeNics(self.op, cluster, self.hostname1.ip, self.cfg,
- self.proc)
+ self.proc.GetECId())
# disk checks/pre-build
default_vg = self.cfg.GetVGName()
self._RunAllocator()
# Release all unneeded node locks
- _ReleaseLocks(self, locking.LEVEL_NODE,
- keep=filter(None, [self.op.pnode, self.op.snode,
- self.op.src_node]))
- _ReleaseLocks(self, locking.LEVEL_NODE_RES,
- keep=filter(None, [self.op.pnode, self.op.snode,
- self.op.src_node]))
+ keep_locks = filter(None, [self.op.pnode, self.op.snode, self.op.src_node])
+ _ReleaseLocks(self, locking.LEVEL_NODE, keep=keep_locks)
+ _ReleaseLocks(self, locking.LEVEL_NODE_RES, keep=keep_locks)
+ _ReleaseLocks(self, locking.LEVEL_NODE_ALLOC)
+
+ assert (self.owned_locks(locking.LEVEL_NODE) ==
+ self.owned_locks(locking.LEVEL_NODE_RES)), \
+ "Node locks differ from node resource locks"
#### node related checks
assert not (self.owned_locks(locking.LEVEL_NODE_RES) -
self.owned_locks(locking.LEVEL_NODE)), \
"Node locks differ from node resource locks"
+ assert not self.glm.is_owned(locking.LEVEL_NODE_ALLOC)
ht_kind = self.op.hypervisor
if ht_kind in constants.HTS_REQ_PORT:
"""
self.share_locks = _ShareAll()
- self.needed_locks = {}
+ self.needed_locks = {
+ # iallocator will select nodes and even if no iallocator is used,
+ # collisions with LUInstanceCreate should be avoided
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
+ }
if self.op.iallocator:
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
self.needed_locks[locking.LEVEL_NODE_RES] = locking.ALL_SET
+
+ if self.op.opportunistic_locking:
+ self.opportunistic_locks[locking.LEVEL_NODE] = True
+ self.opportunistic_locks[locking.LEVEL_NODE_RES] = True
else:
nodeslist = []
for inst in self.op.instances:
"""
cluster = self.cfg.GetClusterInfo()
default_vg = self.cfg.GetVGName()
+ ec_id = self.proc.GetECId()
+
+ if self.op.opportunistic_locking:
+ # Only consider nodes for which a lock is held
+ node_whitelist = self.owned_locks(locking.LEVEL_NODE)
+ else:
+ node_whitelist = None
+
insts = [_CreateInstanceAllocRequest(op, _ComputeDisks(op, default_vg),
_ComputeNics(op, cluster, None,
- self.cfg, self.proc),
- _ComputeFullBeParams(op, cluster))
+ self.cfg, ec_id),
+ _ComputeFullBeParams(op, cluster),
+ node_whitelist)
for op in self.op.instances]
+
req = iallocator.IAReqMultiInstanceAlloc(instances=insts)
ial = iallocator.IAllocator(self.cfg, self.rpc, req)
if self.op.iallocator is not None:
# iallocator will select a new node in the same group
self.needed_locks[locking.LEVEL_NODEGROUP] = []
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
self.needed_locks[locking.LEVEL_NODE_RES] = []
if self.op.iallocator is not None:
assert self.op.remote_node is None
assert not self.needed_locks[locking.LEVEL_NODE]
+ assert locking.NAL in self.owned_locks(locking.LEVEL_NODE_ALLOC)
# Lock member nodes of all locked groups
self.needed_locks[locking.LEVEL_NODE] = \
for group_uuid in self.owned_locks(locking.LEVEL_NODEGROUP)
for node_name in self.cfg.GetNodeGroup(group_uuid).members]
else:
+ assert not self.glm.is_owned(locking.LEVEL_NODE_ALLOC)
+
self._LockInstancesNodes()
+
elif level == locking.LEVEL_NODE_RES:
# Reuse node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
# Release unneeded node and node resource locks
_ReleaseLocks(self.lu, locking.LEVEL_NODE, keep=touched_nodes)
_ReleaseLocks(self.lu, locking.LEVEL_NODE_RES, keep=touched_nodes)
+ _ReleaseLocks(self.lu, locking.LEVEL_NODE_ALLOC)
# Release any owned node group
- if self.lu.glm.is_owned(locking.LEVEL_NODEGROUP):
- _ReleaseLocks(self.lu, locking.LEVEL_NODEGROUP)
+ _ReleaseLocks(self.lu, locking.LEVEL_NODEGROUP)
# Check whether disks are valid
for disk_idx in self.disks:
(owned_nodes, self.node_secondary_ip.keys()))
assert (self.lu.owned_locks(locking.LEVEL_NODE) ==
self.lu.owned_locks(locking.LEVEL_NODE_RES))
+ assert not self.lu.glm.is_owned(locking.LEVEL_NODE_ALLOC)
owned_instances = self.lu.owned_locks(locking.LEVEL_INSTANCE)
assert list(owned_instances) == [self.instance_name], \
errors.ECODE_STATE)
disk_sizes = [disk.size for disk in instance.disks]
disk_sizes.extend(params["size"] for (op, idx, params, private) in
- self.diskmod)
+ self.diskmod if op == constants.DDM_ADD)
ispec[constants.ISPEC_DISK_COUNT] = len(disk_sizes)
ispec[constants.ISPEC_DISK_SIZE] = disk_sizes
def ExpandNames(self):
self.share_locks = _ShareAll()
+
self.needed_locks = {
locking.LEVEL_NODEGROUP: [],
locking.LEVEL_NODE: [],
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
}
self._ExpandAndLockInstance()
locking.LEVEL_NODE: self.wanted,
}
+ if not self.names:
+ lu.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
+
def DeclareLocks(self, lu, level):
pass
# - removing the removal operation altogether
self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ # Allocations should be stopped while this LU runs with node locks, but
+ # it doesn't have to be exclusive
+ self.share_locks[locking.LEVEL_NODE_ALLOC] = 1
+ self.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET
+
def DeclareLocks(self, level):
"""Last minute lock declaration."""
# All nodes are locked anyway, so nothing to do here.
REQ_BGL = False
def ExpandNames(self):
- self.needed_locks = {}
- # We need all nodes to be locked in order for RemoveExport to work, but we
- # don't need to lock the instance itself, as nothing will happen to it (and
- # we can remove exports also for a removed instance)
- self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ self.needed_locks = {
+ # We need all nodes to be locked in order for RemoveExport to work, but
+ # we don't need to lock the instance itself, as nothing will happen to it
+ # (and we can remove exports also for a removed instance)
+ locking.LEVEL_NODE: locking.ALL_SET,
+
+ # Removing backups is quick, so blocking allocations is justified
+ locking.LEVEL_NODE_ALLOC: locking.ALL_SET,
+ }
+
+ # Allocations should be stopped while this LU runs with node locks, but it
+ # doesn't have to be exclusive
+ self.share_locks[locking.LEVEL_NODE_ALLOC] = 1
def Exec(self, feedback_fn):
"""Remove any export.
self.op.mode, errors.ECODE_INVAL)
if self.op.direction == constants.IALLOCATOR_DIR_OUT:
- if self.op.allocator is None:
+ if self.op.iallocator is None:
raise errors.OpPrereqError("Missing allocator name",
errors.ECODE_INVAL)
elif self.op.direction != constants.IALLOCATOR_DIR_IN:
if self.op.direction == constants.IALLOCATOR_DIR_IN:
result = ial.in_text
else:
- ial.Run(self.op.allocator, validate=False)
+ ial.Run(self.op.iallocator, validate=False)
result = ial.out_text
return result
-# Network LUs
class LUNetworkAdd(LogicalUnit):
"""Logical unit for creating networks.
mn = self.cfg.GetMasterNode()
return ([mn], [mn])
+ def CheckArguments(self):
+ if self.op.mac_prefix:
+ self.op.mac_prefix = \
+ utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
+
def ExpandNames(self):
self.network_uuid = self.cfg.GenerateUniqueID(self.proc.GetECId())
- self.needed_locks = {}
- self.add_locks[locking.LEVEL_NETWORK] = self.network_uuid
- def CheckPrereq(self):
- """Check prerequisites.
+ if self.op.conflicts_check:
+ self.share_locks[locking.LEVEL_NODE] = 1
+ self.needed_locks = {
+ locking.LEVEL_NODE: locking.ALL_SET,
+ }
+ else:
+ self.needed_locks = {}
- This checks that the given group name is not an existing node group
- already.
+ self.add_locks[locking.LEVEL_NETWORK] = self.network_uuid
- """
+ def CheckPrereq(self):
if self.op.network is None:
raise errors.OpPrereqError("Network must be given",
errors.ECODE_INVAL)
raise errors.OpPrereqError("Network '%s' already defined" %
self.op.network, errors.ECODE_EXISTS)
- if self.op.mac_prefix:
- utils.NormalizeAndValidateMac(self.op.mac_prefix + ":00:00:00")
-
# Check tag validity
for tag in self.op.tags:
objects.TaggableObject.ValidateTag(tag)
mac_prefix=self.op.mac_prefix,
network_type=self.op.network_type,
uuid=self.network_uuid,
- family=4)
+ family=constants.IP4_VERSION)
# Initialize the associated address pool
try:
pool = network.AddressPool.InitializeNetwork(nobj)
# Check if we need to reserve the nodes and the cluster master IP
# These may not be allocated to any instances in routed mode, as
# they wouldn't function anyway.
- for node in self.cfg.GetAllNodesInfo().values():
- for ip in [node.primary_ip, node.secondary_ip]:
- try:
- pool.Reserve(ip)
- self.LogInfo("Reserved node %s's IP (%s)", node.name, ip)
-
- except errors.AddressPoolError:
- pass
+ if self.op.conflicts_check:
+ for node in self.cfg.GetAllNodesInfo().values():
+ for ip in [node.primary_ip, node.secondary_ip]:
+ try:
+ if pool.Contains(ip):
+ pool.Reserve(ip)
+ self.LogInfo("Reserved IP address of node '%s' (%s)",
+ node.name, ip)
+ except errors.AddressPoolError:
+ self.LogWarning("Cannot reserve IP address of node '%s' (%s)",
+ node.name, ip)
- master_ip = self.cfg.GetClusterInfo().master_ip
- try:
- pool.Reserve(master_ip)
- self.LogInfo("Reserved cluster master IP (%s)", master_ip)
- except errors.AddressPoolError:
- pass
+ master_ip = self.cfg.GetClusterInfo().master_ip
+ try:
+ if pool.Contains(master_ip):
+ pool.Reserve(master_ip)
+ self.LogInfo("Reserved cluster master IP address (%s)", master_ip)
+ except errors.AddressPoolError:
+ self.LogWarning("Cannot reserve cluster master IP address (%s)",
+ master_ip)
if self.op.add_reserved_ips:
for ip in self.op.add_reserved_ips:
self.network_uuid = self.cfg.LookupNetwork(self.op.network_name)
if not self.network_uuid:
- raise errors.OpPrereqError("Network %s not found" % self.op.network_name,
+ raise errors.OpPrereqError(("Network '%s' not found" %
+ self.op.network_name),
errors.ECODE_INVAL)
+
+ self.share_locks[locking.LEVEL_NODEGROUP] = 1
self.needed_locks = {
locking.LEVEL_NETWORK: [self.network_uuid],
+ locking.LEVEL_NODEGROUP: locking.ALL_SET,
}
def CheckPrereq(self):
cluster.
"""
-
# Verify that the network is not conncted.
node_groups = [group.name
for group in self.cfg.GetAllNodeGroupsInfo().values()
- for net in group.networks.keys()
- if net == self.network_uuid]
+ if self.network_uuid in group.networks]
if node_groups:
- self.LogWarning("Nework '%s' is connected to the following"
- " node groups: %s" % (self.op.network_name,
- utils.CommaJoin(utils.NiceSort(node_groups))))
- raise errors.OpPrereqError("Network still connected",
- errors.ECODE_STATE)
+ self.LogWarning("Network '%s' is connected to the following"
+ " node groups: %s" %
+ (self.op.network_name,
+ utils.CommaJoin(utils.NiceSort(node_groups))))
+ raise errors.OpPrereqError("Network still connected", errors.ECODE_STATE)
def BuildHooksEnv(self):
"""Build hooks env.
def ExpandNames(self):
self.network_uuid = self.cfg.LookupNetwork(self.op.network_name)
- self.network = self.cfg.GetNetwork(self.network_uuid)
- if self.network is None:
- raise errors.OpPrereqError("Could not retrieve network '%s' (UUID: %s)" %
- (self.op.network_name, self.network_uuid),
+ if self.network_uuid is None:
+ raise errors.OpPrereqError(("Network '%s' not found" %
+ self.op.network_name),
errors.ECODE_INVAL)
+
self.needed_locks = {
locking.LEVEL_NETWORK: [self.network_uuid],
}
"""Check prerequisites.
"""
+ self.network = self.cfg.GetNetwork(self.network_uuid)
self.gateway = self.network.gateway
self.network_type = self.network.network_type
self.mac_prefix = self.network.mac_prefix
if self.op.mac_prefix == constants.VALUE_NONE:
self.mac_prefix = None
else:
- utils.NormalizeAndValidateMac(self.op.mac_prefix + ":00:00:00")
- self.mac_prefix = self.op.mac_prefix
+ self.mac_prefix = \
+ utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
if self.op.gateway6:
if self.op.gateway6 == constants.VALUE_NONE:
self.network_link = self.op.network_link
self.network_uuid = self.cfg.LookupNetwork(self.network_name)
- self.network = self.cfg.GetNetwork(self.network_uuid)
- if self.network is None:
+ if self.network_uuid is None:
raise errors.OpPrereqError("Network %s does not exist" %
self.network_name, errors.ECODE_INVAL)
self.group_uuid = self.cfg.LookupNodeGroup(self.group_name)
- self.group = self.cfg.GetNodeGroup(self.group_uuid)
- if self.group is None:
+ if self.group_uuid is None:
raise errors.OpPrereqError("Group %s does not exist" %
self.group_name, errors.ECODE_INVAL)
}
self.share_locks[locking.LEVEL_INSTANCE] = 1
+ if self.op.conflicts_check:
+ self.needed_locks[locking.LEVEL_NETWORK] = [self.network_uuid]
+ self.share_locks[locking.LEVEL_NETWORK] = 1
+
def DeclareLocks(self, level):
if level == locking.LEVEL_INSTANCE:
assert not self.needed_locks[locking.LEVEL_INSTANCE]
# Lock instances optimistically, needs verification once group lock has
# been acquired
- self.needed_locks[locking.LEVEL_INSTANCE] = \
- self.cfg.GetNodeGroupInstances(self.group_uuid)
+ if self.op.conflicts_check:
+ self.needed_locks[locking.LEVEL_INSTANCE] = \
+ self.cfg.GetNodeGroupInstances(self.group_uuid)
def BuildHooksEnv(self):
ret = {
"GROUP_NETWORK_MODE": self.network_mode,
"GROUP_NETWORK_LINK": self.network_link,
}
- ret.update(_BuildNetworkHookEnvByObject(self.network))
return ret
def BuildHooksNodes(self):
return (nodes, nodes)
def CheckPrereq(self):
+ owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP))
+
+ assert self.group_uuid in owned_groups
+
l = lambda value: utils.CommaJoin("%s: %s/%s" % (i[0], i[1], i[2])
for i in value)
}
objects.NIC.CheckParameterSyntax(self.netparams)
+ self.group = self.cfg.GetNodeGroup(self.group_uuid)
#if self.network_mode == constants.NIC_MODE_BRIDGED:
# _CheckNodeGroupBridgesExist(self, self.network_link, self.group_uuid)
self.connected = False
self.connected = True
return
- pool = network.AddressPool(self.network)
if self.op.conflicts_check:
- groupinstances = []
- for n in self.cfg.GetNodeGroupInstances(self.group_uuid):
- groupinstances.append(self.cfg.GetInstanceInfo(n))
- instances = [(instance.name, idx, nic.ip)
- for instance in groupinstances
- for idx, nic in enumerate(instance.nics)
- if (not nic.network and pool.Contains(nic.ip))]
- if instances:
+ # Check if locked instances are still correct
+ owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
+ _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
+
+ nobj = self.cfg.GetNetwork(self.network_uuid)
+ pool = network.AddressPool(nobj)
+ conflicting_instances = []
+
+ for (_, instance) in self.cfg.GetMultiInstanceInfo(owned_instances):
+ for idx, nic in enumerate(instance.nics):
+ if pool.Contains(nic.ip):
+ conflicting_instances.append((instance.name, idx, nic.ip))
+
+ if conflicting_instances:
self.LogWarning("Following occurences use IPs from network %s"
" that is about to connect to nodegroup %s: %s" %
(self.network_name, self.group.name,
- l(instances)))
+ l(conflicting_instances)))
raise errors.OpPrereqError("Conflicting IPs found."
" Please remove/modify"
" corresponding NICs",
self.group_name = self.op.group_name
self.network_uuid = self.cfg.LookupNetwork(self.network_name)
- self.network = self.cfg.GetNetwork(self.network_uuid)
- if self.network is None:
+ if self.network_uuid is None:
raise errors.OpPrereqError("Network %s does not exist" %
self.network_name, errors.ECODE_INVAL)
self.group_uuid = self.cfg.LookupNodeGroup(self.group_name)
- self.group = self.cfg.GetNodeGroup(self.group_uuid)
- if self.group is None:
+ if self.group_uuid is None:
raise errors.OpPrereqError("Group %s does not exist" %
self.group_name, errors.ECODE_INVAL)
# Lock instances optimistically, needs verification once group lock has
# been acquired
- self.needed_locks[locking.LEVEL_INSTANCE] = \
+ if self.op.conflicts_check:
+ self.needed_locks[locking.LEVEL_INSTANCE] = \
self.cfg.GetNodeGroupInstances(self.group_uuid)
def BuildHooksEnv(self):
ret = {
"GROUP_NAME": self.group_name,
}
- ret.update(_BuildNetworkHookEnvByObject(self.network))
return ret
def BuildHooksNodes(self):
return (nodes, nodes)
def CheckPrereq(self):
+ owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP))
+
+ assert self.group_uuid in owned_groups
+
l = lambda value: utils.CommaJoin("%s: %s/%s" % (i[0], i[1], i[2])
for i in value)
+ self.group = self.cfg.GetNodeGroup(self.group_uuid)
self.connected = True
if self.network_uuid not in self.group.networks:
self.LogWarning("Network '%s' is not mapped to group '%s'",
return
if self.op.conflicts_check:
- groupinstances = []
- for n in self.cfg.GetNodeGroupInstances(self.group_uuid):
- groupinstances.append(self.cfg.GetInstanceInfo(n))
- instances = [(instance.name, idx, nic.ip)
- for instance in groupinstances
- for idx, nic in enumerate(instance.nics)
- if nic.network == self.network_name]
- if instances:
+ # Check if locked instances are still correct
+ owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
+ _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
+
+ conflicting_instances = []
+
+ for (_, instance) in self.cfg.GetMultiInstanceInfo(owned_instances):
+ for idx, nic in enumerate(instance.nics):
+ if nic.network == self.network_name:
+ conflicting_instances.append((instance.name, idx, nic.ip))
+
+ if conflicting_instances:
self.LogWarning("Following occurences use IPs from network %s"
" that is about to disconnected from the nodegroup"
" %s: %s" %
(self.network_name, self.group.name,
- l(instances)))
+ l(conflicting_instances)))
raise errors.OpPrereqError("Conflicting IPs."
" Please remove/modify"
" corresponding NICS",
projects / ganeti-local / blobdiff