from ganeti import ht
from ganeti import rpc
from ganeti import runtime
+from ganeti import pathutils
+from ganeti import vcluster
+from ganeti.masterd import iallocator
import ganeti.masterd.instance # pylint: disable=W0611
return cfg.GetNdParams(node)[constants.ND_OOB_PROGRAM]
+def _CopyLockList(names):
+ """Makes a copy of a list of lock names.
+
+ Handles L{locking.ALL_SET} correctly.
+
+ """
+ if names == locking.ALL_SET:
+ return locking.ALL_SET
+ else:
+ return names[:]
+
+
def _GetWantedNodes(lu, nodes):
"""Returns list of checked and expanded node names.
"""Reads the cluster domain secret.
"""
- return utils.ReadOneLineFile(constants.CLUSTER_DOMAIN_SECRET_FILE,
+ return utils.ReadOneLineFile(pathutils.CLUSTER_DOMAIN_SECRET_FILE,
strict=True)
cluster-wide iallocator if appropriate.
Check that at most one of (iallocator, node) is specified. If none is
- specified, then the LU's opcode's iallocator slot is filled with the
- cluster-wide default iallocator.
+ specified, or the iallocator is L{constants.DEFAULT_IALLOCATOR_SHORTCUT},
+ then the LU's opcode's iallocator slot is filled with the cluster-wide
+ default iallocator.
@type iallocator_slot: string
@param iallocator_slot: the name of the opcode iallocator slot
"""
node = getattr(lu.op, node_slot, None)
- iallocator = getattr(lu.op, iallocator_slot, None)
+ ialloc = getattr(lu.op, iallocator_slot, None)
+ if node == []:
+ node = None
- if node is not None and iallocator is not None:
+ if node is not None and ialloc is not None:
raise errors.OpPrereqError("Do not specify both, iallocator and node",
errors.ECODE_INVAL)
- elif node is None and iallocator is None:
+ elif ((node is None and ialloc is None) or
+ ialloc == constants.DEFAULT_IALLOCATOR_SHORTCUT):
default_iallocator = lu.cfg.GetDefaultIAllocator()
if default_iallocator:
setattr(lu.op, iallocator_slot, default_iallocator)
" iallocator", errors.ECODE_INVAL)
-def _GetDefaultIAllocator(cfg, iallocator):
+def _GetDefaultIAllocator(cfg, ialloc):
"""Decides on which iallocator to use.
@type cfg: L{config.ConfigWriter}
@param cfg: Cluster configuration object
- @type iallocator: string or None
- @param iallocator: Iallocator specified in opcode
+ @type ialloc: string or None
+ @param ialloc: Iallocator specified in opcode
@rtype: string
@return: Iallocator name
"""
- if not iallocator:
+ if not ialloc:
# Use default iallocator
- iallocator = cfg.GetDefaultIAllocator()
+ ialloc = cfg.GetDefaultIAllocator()
- if not iallocator:
+ if not ialloc:
raise errors.OpPrereqError("No iallocator was specified, neither in the"
" opcode nor as a cluster-wide default",
errors.ECODE_INVAL)
- return iallocator
+ return ialloc
+
+
+def _CheckHostnameSane(lu, name):
+ """Ensures that a given hostname resolves to a 'sane' name.
+
+ The given name is required to be a prefix of the resolved hostname,
+ to prevent accidental mismatches.
+
+ @param lu: the logical unit on behalf of which we're checking
+ @param name: the name we should resolve and check
+ @return: the resolved hostname object
+
+ """
+ hostname = netutils.GetHostname(name=name)
+ if hostname.name != name:
+ lu.LogInfo("Resolved given name '%s' to '%s'", name, hostname.name)
+ if not utils.MatchNameComponent(name, [hostname.name]):
+ raise errors.OpPrereqError(("Resolved hostname '%s' does not look the"
+ " same as given hostname '%s'") %
+ (hostname.name, name), errors.ECODE_INVAL)
+ return hostname
class LUClusterPostInit(LogicalUnit):
feedback_fn("* Verifying cluster certificate files")
- for cert_filename in constants.ALL_CERT_FILES:
+ for cert_filename in pathutils.ALL_CERT_FILES:
(errcode, msg) = _VerifyCertificate(cert_filename)
self._ErrorIf(errcode, constants.CV_ECLUSTERCERT, None, msg, code=errcode)
if nresult.fail_msg or not nresult.payload:
node_files = None
else:
- node_files = nresult.payload.get(constants.NV_FILELIST, None)
+ fingerprints = nresult.payload.get(constants.NV_FILELIST, None)
+ node_files = dict((vcluster.LocalizeVirtualPath(key), value)
+ for (key, value) in fingerprints.items())
+ del fingerprints
test = not (node_files and isinstance(node_files, dict))
errorif(test, constants.CV_ENODEFILECHECK, node.name,
"OSes present on reference node %s but missing on this node: %s",
base.name, utils.CommaJoin(missing))
+ def _VerifyFileStoragePaths(self, ninfo, nresult, is_master):
+ """Verifies paths in L{pathutils.FILE_STORAGE_PATHS_FILE}.
+
+ @type ninfo: L{objects.Node}
+ @param ninfo: the node to check
+ @param nresult: the remote results for the node
+ @type is_master: bool
+ @param is_master: Whether node is the master node
+
+ """
+ node = ninfo.name
+
+ if (is_master and
+ (constants.ENABLE_FILE_STORAGE or
+ constants.ENABLE_SHARED_FILE_STORAGE)):
+ try:
+ fspaths = nresult[constants.NV_FILE_STORAGE_PATHS]
+ except KeyError:
+ # This should never happen
+ self._ErrorIf(True, constants.CV_ENODEFILESTORAGEPATHS, node,
+ "Node did not return forbidden file storage paths")
+ else:
+ self._ErrorIf(fspaths, constants.CV_ENODEFILESTORAGEPATHS, node,
+ "Found forbidden file storage paths: %s",
+ utils.CommaJoin(fspaths))
+ else:
+ self._ErrorIf(constants.NV_FILE_STORAGE_PATHS in nresult,
+ constants.CV_ENODEFILESTORAGEPATHS, node,
+ "Node should not have returned forbidden file storage"
+ " paths")
+
def _VerifyOob(self, ninfo, nresult):
"""Verifies out of band functionality of a node.
user_scripts = []
if self.cfg.GetUseExternalMipScript():
- user_scripts.append(constants.EXTERNAL_MASTER_SETUP_SCRIPT)
+ user_scripts.append(pathutils.EXTERNAL_MASTER_SETUP_SCRIPT)
node_verify_param = {
constants.NV_FILELIST:
- utils.UniqueSequence(filename
- for files in filemap
- for filename in files),
+ map(vcluster.MakeVirtualPath,
+ utils.UniqueSequence(filename
+ for files in filemap
+ for filename in files)),
constants.NV_NODELIST:
self._SelectSshCheckNodes(node_data_list, self.group_uuid,
self.all_node_info.values()),
node_verify_param[constants.NV_VGLIST] = None
node_verify_param[constants.NV_LVLIST] = vg_name
node_verify_param[constants.NV_PVLIST] = [vg_name]
- node_verify_param[constants.NV_DRBDLIST] = None
if drbd_helper:
+ node_verify_param[constants.NV_DRBDLIST] = None
node_verify_param[constants.NV_DRBDHELPER] = drbd_helper
+ if constants.ENABLE_FILE_STORAGE or constants.ENABLE_SHARED_FILE_STORAGE:
+ # Load file storage paths only from master node
+ node_verify_param[constants.NV_FILE_STORAGE_PATHS] = master_node
+
# bridge checks
# FIXME: this needs to be changed per node-group, not cluster-wide
bridges = set()
self._VerifyNodeNetwork(node_i, nresult)
self._VerifyNodeUserScripts(node_i, nresult)
self._VerifyOob(node_i, nresult)
+ self._VerifyFileStoragePaths(node_i, nresult,
+ node == master_node)
if nimg.vm_capable:
self._VerifyNodeLVM(node_i, nresult, vg_name)
inst_config.primary_node)
# If the instance is non-redundant we cannot survive losing its primary
- # node, so we are not N+1 compliant. On the other hand we have no disk
- # templates with more than one secondary so that situation is not well
- # supported either.
- # FIXME: does not support file-backed instances
- if not inst_config.secondary_nodes:
+ # node, so we are not N+1 compliant.
+ if inst_config.disk_template not in constants.DTS_MIRRORED:
i_non_redundant.append(instance)
_ErrorIf(len(inst_config.secondary_nodes) > 1,
self.cfg.Update(cluster, feedback_fn)
# update the known hosts file
- ssh.WriteKnownHostsFile(self.cfg, constants.SSH_KNOWN_HOSTS_FILE)
+ ssh.WriteKnownHostsFile(self.cfg, pathutils.SSH_KNOWN_HOSTS_FILE)
node_list = self.cfg.GetOnlineNodeList()
try:
node_list.remove(master_params.name)
except ValueError:
pass
- _UploadHelper(self, node_list, constants.SSH_KNOWN_HOSTS_FILE)
+ _UploadHelper(self, node_list, pathutils.SSH_KNOWN_HOSTS_FILE)
finally:
master_params.ip = new_ip
result = self.rpc.call_node_activate_master_ip(master_params.name,
"""
# Compute files for all nodes
files_all = set([
- constants.SSH_KNOWN_HOSTS_FILE,
- constants.CONFD_HMAC_KEY,
- constants.CLUSTER_DOMAIN_SECRET_FILE,
- constants.SPICE_CERT_FILE,
- constants.SPICE_CACERT_FILE,
- constants.RAPI_USERS_FILE,
+ pathutils.SSH_KNOWN_HOSTS_FILE,
+ pathutils.CONFD_HMAC_KEY,
+ pathutils.CLUSTER_DOMAIN_SECRET_FILE,
+ pathutils.SPICE_CERT_FILE,
+ pathutils.SPICE_CACERT_FILE,
+ pathutils.RAPI_USERS_FILE,
])
- if not redist:
- files_all.update(constants.ALL_CERT_FILES)
- files_all.update(ssconf.SimpleStore().GetFileList())
- else:
+ if redist:
# we need to ship at least the RAPI certificate
- files_all.add(constants.RAPI_CERT_FILE)
+ files_all.add(pathutils.RAPI_CERT_FILE)
+ else:
+ files_all.update(pathutils.ALL_CERT_FILES)
+ files_all.update(ssconf.SimpleStore().GetFileList())
if cluster.modify_etc_hosts:
- files_all.add(constants.ETC_HOSTS)
+ files_all.add(pathutils.ETC_HOSTS)
if cluster.use_external_mip_script:
- files_all.add(constants.EXTERNAL_MASTER_SETUP_SCRIPT)
+ files_all.add(pathutils.EXTERNAL_MASTER_SETUP_SCRIPT)
# Files which are optional, these must:
# - be present in one other category as well
# - either exist or not exist on all nodes of that category (mc, vm all)
files_opt = set([
- constants.RAPI_USERS_FILE,
+ pathutils.RAPI_USERS_FILE,
])
# Files which should only be on master candidates
files_mc = set()
if not redist:
- files_mc.add(constants.CLUSTER_CONF_FILE)
+ files_mc.add(pathutils.CLUSTER_CONF_FILE)
+
+ # File storage
+ if (not redist and
+ (constants.ENABLE_FILE_STORAGE or constants.ENABLE_SHARED_FILE_STORAGE)):
+ files_all.add(pathutils.FILE_STORAGE_PATHS_FILE)
+ files_opt.add(pathutils.FILE_STORAGE_PATHS_FILE)
# Files which should only be on VM-capable nodes
files_vm = set(
assert all_files_set.issuperset(files_opt), \
"Optional file not in a different required list"
+ # This one file should never ever be re-distributed via RPC
+ assert not (redist and
+ pathutils.FILE_STORAGE_PATHS_FILE in all_files_set)
+
return (files_all, files_opt, files_mc, files_vm)
_ComputeAncillaryFiles(cluster, True)
# Never re-distribute configuration file from here
- assert not (constants.CLUSTER_CONF_FILE in files_all or
- constants.CLUSTER_CONF_FILE in files_vm)
+ assert not (pathutils.CLUSTER_CONF_FILE in files_all or
+ pathutils.CLUSTER_CONF_FILE in files_vm)
assert not files_mc, "Master candidates not handled in this function"
filemap = [
cluster = NotImplemented
if query.CQ_QUEUE_DRAINED in self.requested_data:
- drain_flag = os.path.exists(constants.JOB_QUEUE_DRAIN_FILE)
+ drain_flag = os.path.exists(pathutils.JOB_QUEUE_DRAIN_FILE)
else:
drain_flag = NotImplemented
if query.CQ_WATCHER_PAUSE in self.requested_data:
- watcher_pause = utils.ReadWatcherPauseFile(constants.WATCHER_PAUSEFILE)
+ watcher_pause = utils.ReadWatcherPauseFile(pathutils.WATCHER_PAUSEFILE)
else:
watcher_pause = NotImplemented
# they should be already be marked as drained or offline, and hence
# skipped by the allocator. If instance disks have been lost for other
# reasons, then recreating the disks on the same nodes should be fine.
- ial = IAllocator(self.cfg, self.rpc,
- mode=constants.IALLOCATOR_MODE_ALLOC,
- name=self.op.instance_name,
- disk_template=self.instance.disk_template,
- tags=list(self.instance.GetTags()),
- os=self.instance.os,
- nics=[{}],
- vcpus=be_full[constants.BE_VCPUS],
- memory=be_full[constants.BE_MAXMEM],
- spindle_use=be_full[constants.BE_SPINDLE_USE],
- disks=[{constants.IDISK_SIZE: d.size,
- constants.IDISK_MODE: d.mode}
- for d in self.instance.disks],
- hypervisor=self.instance.hypervisor)
-
- assert ial.required_nodes == len(self.instance.all_nodes)
+ disk_template = self.instance.disk_template
+ spindle_use = be_full[constants.BE_SPINDLE_USE]
+ req = iallocator.IAReqInstanceAlloc(name=self.op.instance_name,
+ disk_template=disk_template,
+ tags=list(self.instance.GetTags()),
+ os=self.instance.os,
+ nics=[{}],
+ vcpus=be_full[constants.BE_VCPUS],
+ memory=be_full[constants.BE_MAXMEM],
+ spindle_use=spindle_use,
+ disks=[{constants.IDISK_SIZE: d.size,
+ constants.IDISK_MODE: d.mode}
+ for d in self.instance.disks],
+ hypervisor=self.instance.hypervisor)
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
+ assert req.RequiredNodes() == len(self.instance.all_nodes)
+
if not ial.success:
raise errors.OpPrereqError("Can't compute nodes using iallocator '%s':"
" %s" % (self.op.iallocator, ial.info),
errors.ECODE_NORES)
- if len(ial.result) != ial.required_nodes:
- raise errors.OpPrereqError("iallocator '%s' returned invalid number"
- " of nodes (%s), required %s" %
- (self.op.iallocator, len(ial.result),
- ial.required_nodes), errors.ECODE_FAULT)
-
self.op.nodes = ial.result
self.LogInfo("Selected nodes for instance %s via iallocator %s: %s",
self.op.instance_name, self.op.iallocator,
" once: %s" % utils.CommaJoin(duplicates),
errors.ECODE_INVAL)
- if self.op.iallocator and self.op.nodes:
- raise errors.OpPrereqError("Give either the iallocator or the new"
- " nodes, not both", errors.ECODE_INVAL)
+ # We don't want _CheckIAllocatorOrNode selecting the default iallocator
+ # when neither iallocator nor nodes are specified
+ if self.op.iallocator or self.op.nodes:
+ _CheckIAllocatorOrNode(self, "iallocator", "nodes")
for (idx, params) in self.op.disks:
utils.ForceDictType(params, constants.IDISK_PARAMS_TYPES)
elif level == locking.LEVEL_NODE:
# If an allocator is used, then we lock all the nodes in the current
# instance group, as we don't know yet which ones will be selected;
- # if we replace the nodes without using an allocator, we only need to
- # lock the old primary for doing RPCs (FIXME: we don't lock nodes for
- # RPC anymore), otherwise we need to lock all the instance nodes for
- # disk re-creation
+ # if we replace the nodes without using an allocator, locks are
+ # already declared in ExpandNames; otherwise, we need to lock all the
+ # instance nodes for disk re-creation
if self.op.iallocator:
assert not self.op.nodes
assert not self.needed_locks[locking.LEVEL_NODE]
for group_uuid in self.owned_locks(locking.LEVEL_NODEGROUP):
self.needed_locks[locking.LEVEL_NODE].extend(
self.cfg.GetNodeGroup(group_uuid).members)
- else:
- primary_only = bool(self.op.nodes)
- self._LockInstancesNodes(primary_only=primary_only)
+ elif not self.op.nodes:
+ self._LockInstancesNodes(primary_only=False)
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
primary_only=True)
# if we replace nodes *and* the old primary is offline, we don't
- # check
- assert instance.primary_node in self.owned_locks(locking.LEVEL_NODE)
- assert instance.primary_node in self.owned_locks(locking.LEVEL_NODE_RES)
+ # check the instance state
old_pnode = self.cfg.GetNodeInfo(instance.primary_node)
if not ((self.op.iallocator or self.op.nodes) and old_pnode.offline):
_CheckInstanceState(self, instance, INSTANCE_NOT_RUNNING,
if self.op.iallocator:
self._RunAllocator()
-
- # 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)
+ # 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)
def Exec(self, feedback_fn):
"""Recreate the disks.
if self.op.nodes:
self.cfg.Update(instance, feedback_fn)
+ # All touched nodes must be locked
+ mylocks = self.owned_locks(locking.LEVEL_NODE)
+ assert mylocks.issuperset(frozenset(instance.all_nodes))
_CreateDisks(self, instance, to_skip=to_skip)
new_name = self.op.new_name
if self.op.name_check:
- hostname = netutils.GetHostname(name=new_name)
- if hostname.name != new_name:
- self.LogInfo("Resolved given name '%s' to '%s'", new_name,
- hostname.name)
- if not utils.MatchNameComponent(self.op.new_name, [hostname.name]):
- raise errors.OpPrereqError(("Resolved hostname '%s' does not look the"
- " same as given hostname '%s'") %
- (hostname.name, self.op.new_name),
- errors.ECODE_INVAL)
+ hostname = _CheckHostnameSane(self, new_name)
new_name = self.op.new_name = hostname.name
if (self.op.ip_check and
netutils.TcpPing(hostname.ip, constants.DEFAULT_NODED_PORT)):
new_file_storage_dir))
_StartInstanceDisks(self, inst, None)
+ # update info on disks
+ info = _GetInstanceInfoText(inst)
+ for (idx, disk) in enumerate(inst.disks):
+ for node in inst.all_nodes:
+ self.cfg.SetDiskID(disk, node)
+ result = self.rpc.call_blockdev_setinfo(node, disk, info)
+ if result.fail_msg:
+ self.LogWarning("Error setting info on node %s for disk %s: %s",
+ node, idx, result.fail_msg)
try:
result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
old_name, self.op.debug_level)
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
# check if failover must be forced instead of migration
if (not self.cleanup and not self.failover and
i_be[constants.BE_ALWAYS_FAILOVER]):
- if self.fallback:
- self.lu.LogInfo("Instance configured to always failover; fallback"
- " to failover")
- self.failover = True
- else:
- raise errors.OpPrereqError("This instance has been configured to"
- " always failover, please allow failover",
- errors.ECODE_STATE)
+ self.lu.LogInfo("Instance configured to always failover; fallback"
+ " to failover")
+ self.failover = True
# check bridge existance
_CheckInstanceBridgesExist(self.lu, instance, node=target_node)
"""
# FIXME: add a self.ignore_ipolicy option
- ial = IAllocator(self.cfg, self.rpc,
- mode=constants.IALLOCATOR_MODE_RELOC,
- name=self.instance_name,
- relocate_from=[self.instance.primary_node],
- )
+ req = iallocator.IAReqRelocate(name=self.instance_name,
+ relocate_from=[self.instance.primary_node])
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.lu.op.iallocator)
" iallocator '%s': %s" %
(self.lu.op.iallocator, ial.info),
errors.ECODE_NORES)
- if len(ial.result) != ial.required_nodes:
- raise errors.OpPrereqError("iallocator '%s' returned invalid number"
- " of nodes (%s), required %s" %
- (self.lu.op.iallocator, len(ial.result),
- ial.required_nodes), errors.ECODE_FAULT)
self.target_node = ial.result[0]
self.lu.LogInfo("Selected nodes for instance %s via iallocator %s: %s",
self.instance_name, self.lu.op.iallocator,
return (total_size - written) * avg_time
-def _WipeDisks(lu, instance):
+def _WipeDisks(lu, instance, disks=None):
"""Wipes instance disks.
@type lu: L{LogicalUnit}
"""
node = instance.primary_node
- for device in instance.disks:
+ if disks is None:
+ disks = [(idx, disk, 0)
+ for (idx, disk) in enumerate(instance.disks)]
+
+ for (_, device, _) in disks:
lu.cfg.SetDiskID(device, node)
- logging.info("Pause sync of instance %s disks", instance.name)
+ logging.info("Pausing synchronization of disks of instance '%s'",
+ instance.name)
result = lu.rpc.call_blockdev_pause_resume_sync(node,
- (instance.disks, instance),
+ (map(compat.snd, disks),
+ instance),
True)
- result.Raise("Failed RPC to node %s for pausing the disk syncing" % node)
+ result.Raise("Failed to pause disk synchronization on node '%s'" % node)
for idx, success in enumerate(result.payload):
if not success:
- logging.warn("pause-sync of instance %s for disks %d failed",
- instance.name, idx)
+ logging.warn("Pausing synchronization of disk %s of instance '%s'"
+ " failed", idx, instance.name)
try:
- for idx, device in enumerate(instance.disks):
+ for (idx, device, offset) in disks:
# The wipe size is MIN_WIPE_CHUNK_PERCENT % of the instance disk but
- # MAX_WIPE_CHUNK at max
- wipe_chunk_size = min(constants.MAX_WIPE_CHUNK, device.size / 100.0 *
- constants.MIN_WIPE_CHUNK_PERCENT)
- # we _must_ make this an int, otherwise rounding errors will
- # occur
- wipe_chunk_size = int(wipe_chunk_size)
-
- lu.LogInfo("* Wiping disk %d", idx)
- logging.info("Wiping disk %d for instance %s, node %s using"
- " chunk size %s", idx, instance.name, node, wipe_chunk_size)
+ # MAX_WIPE_CHUNK at max. Truncating to integer to avoid rounding errors.
+ wipe_chunk_size = \
+ int(min(constants.MAX_WIPE_CHUNK,
+ device.size / 100.0 * constants.MIN_WIPE_CHUNK_PERCENT))
- offset = 0
size = device.size
last_output = 0
start_time = time.time()
+ if offset == 0:
+ info_text = ""
+ else:
+ info_text = (" (from %s to %s)" %
+ (utils.FormatUnit(offset, "h"),
+ utils.FormatUnit(size, "h")))
+
+ lu.LogInfo("* Wiping disk %s%s", idx, info_text)
+
+ logging.info("Wiping disk %d for instance %s on node %s using"
+ " chunk size %s", idx, instance.name, node, wipe_chunk_size)
+
while offset < size:
wipe_size = min(wipe_chunk_size, size - offset)
+
logging.debug("Wiping disk %d, offset %s, chunk %s",
idx, offset, wipe_size)
+
result = lu.rpc.call_blockdev_wipe(node, (device, instance), offset,
wipe_size)
result.Raise("Could not wipe disk %d at offset %d for size %d" %
(idx, offset, wipe_size))
+
now = time.time()
offset += wipe_size
if now - last_output >= 60:
eta = _CalcEta(now - start_time, offset, size)
- lu.LogInfo(" - done: %.1f%% ETA: %s" %
- (offset / float(size) * 100, utils.FormatSeconds(eta)))
+ lu.LogInfo(" - done: %.1f%% ETA: %s",
+ offset / float(size) * 100, utils.FormatSeconds(eta))
last_output = now
finally:
- logging.info("Resume sync of instance %s disks", instance.name)
+ logging.info("Resuming synchronization of disks for instance '%s'",
+ instance.name)
result = lu.rpc.call_blockdev_pause_resume_sync(node,
- (instance.disks, instance),
+ (map(compat.snd, disks),
+ instance),
False)
if result.fail_msg:
- lu.LogWarning("RPC call to %s for resuming disk syncing failed,"
- " please have a look at the status and troubleshoot"
- " the issue: %s", node, result.fail_msg)
+ lu.LogWarning("Failed to resume disk synchronization on node '%s': %s",
+ node, result.fail_msg)
else:
for idx, success in enumerate(result.payload):
if not success:
- lu.LogWarning("Resume sync of disk %d failed, please have a"
- " look at the status and troubleshoot the issue", idx)
- logging.warn("resume-sync of instance %s for disks %d failed",
- instance.name, idx)
+ lu.LogWarning("Resuming synchronization of disk %s of instance '%s'"
+ " failed", idx, instance.name)
def _CreateDisks(lu, instance, to_skip=None, target_node=None):
for port in ports_to_release:
lu.cfg.AddTcpUdpPort(port)
- if instance.disk_template == constants.DT_FILE:
+ if instance.disk_template in constants.DTS_FILEBASED:
file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1])
if target_node:
tgt = target_node
osname, node)
+def _CreateInstanceAllocRequest(op, disks, nics, beparams):
+ """Wrapper around IAReqInstanceAlloc.
+
+ @param op: The instance opcode
+ @param disks: The computed disks
+ @param nics: The computed nics
+ @param beparams: The full filled beparams
+
+ @returns: A filled L{iallocator.IAReqInstanceAlloc}
+
+ """
+ spindle_use = beparams[constants.BE_SPINDLE_USE]
+ return iallocator.IAReqInstanceAlloc(name=op.instance_name,
+ disk_template=op.disk_template,
+ tags=op.tags,
+ os=op.os_type,
+ vcpus=beparams[constants.BE_VCPUS],
+ memory=beparams[constants.BE_MAXMEM],
+ spindle_use=spindle_use,
+ disks=disks,
+ nics=[n.ToDict() for n in nics],
+ hypervisor=op.hypervisor)
+
+
+def _ComputeNics(op, cluster, default_ip, cfg, proc):
+ """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
+
+ @returns: The build up nics
+
+ """
+ nics = []
+ for idx, nic in enumerate(op.nics):
+ nic_mode_req = nic.get(constants.INIC_MODE, None)
+ nic_mode = nic_mode_req
+ if nic_mode is None or nic_mode == constants.VALUE_AUTO:
+ nic_mode = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_MODE]
+
+ # in routed mode, for the first nic, the default ip is 'auto'
+ if nic_mode == constants.NIC_MODE_ROUTED and idx == 0:
+ default_ip_mode = constants.VALUE_AUTO
+ else:
+ default_ip_mode = constants.VALUE_NONE
+
+ # ip validity checks
+ ip = nic.get(constants.INIC_IP, default_ip_mode)
+ if ip is None or ip.lower() == constants.VALUE_NONE:
+ nic_ip = None
+ elif ip.lower() == constants.VALUE_AUTO:
+ if not op.name_check:
+ raise errors.OpPrereqError("IP address set to auto but name checks"
+ " have been skipped",
+ errors.ECODE_INVAL)
+ nic_ip = default_ip
+ else:
+ if not netutils.IPAddress.IsValid(ip):
+ raise errors.OpPrereqError("Invalid IP address '%s'" % ip,
+ errors.ECODE_INVAL)
+ nic_ip = ip
+
+ # TODO: check the ip address for uniqueness
+ if nic_mode == constants.NIC_MODE_ROUTED and not nic_ip:
+ raise errors.OpPrereqError("Routed nic mode requires an ip address",
+ errors.ECODE_INVAL)
+
+ # MAC address verification
+ mac = nic.get(constants.INIC_MAC, constants.VALUE_AUTO)
+ if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE):
+ mac = utils.NormalizeAndValidateMac(mac)
+
+ try:
+ # TODO: We need to factor this out
+ cfg.ReserveMAC(mac, proc.GetECId())
+ except errors.ReservationError:
+ raise errors.OpPrereqError("MAC address %s already in use"
+ " in cluster" % mac,
+ errors.ECODE_NOTUNIQUE)
+
+ # Build nic parameters
+ link = nic.get(constants.INIC_LINK, None)
+ if link == constants.VALUE_AUTO:
+ link = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_LINK]
+ nicparams = {}
+ if nic_mode_req:
+ nicparams[constants.NIC_MODE] = nic_mode
+ if link:
+ nicparams[constants.NIC_LINK] = link
+
+ check_params = cluster.SimpleFillNIC(nicparams)
+ objects.NIC.CheckParameterSyntax(check_params)
+ nics.append(objects.NIC(mac=mac, ip=nic_ip, nicparams=nicparams))
+
+ return nics
+
+
+def _ComputeDisks(op, default_vg):
+ """Computes the instance disks.
+
+ @param op: The instance opcode
+ @param default_vg: The default_vg to assume
+
+ @return: The computer disks
+
+ """
+ disks = []
+ for disk in op.disks:
+ mode = disk.get(constants.IDISK_MODE, constants.DISK_RDWR)
+ if mode not in constants.DISK_ACCESS_SET:
+ raise errors.OpPrereqError("Invalid disk access mode '%s'" %
+ mode, errors.ECODE_INVAL)
+ size = disk.get(constants.IDISK_SIZE, None)
+ if size is None:
+ raise errors.OpPrereqError("Missing disk size", errors.ECODE_INVAL)
+ try:
+ size = int(size)
+ except (TypeError, ValueError):
+ raise errors.OpPrereqError("Invalid disk size '%s'" % size,
+ errors.ECODE_INVAL)
+
+ data_vg = disk.get(constants.IDISK_VG, default_vg)
+ new_disk = {
+ constants.IDISK_SIZE: size,
+ constants.IDISK_MODE: mode,
+ constants.IDISK_VG: data_vg,
+ }
+ if constants.IDISK_METAVG in disk:
+ new_disk[constants.IDISK_METAVG] = disk[constants.IDISK_METAVG]
+ if constants.IDISK_ADOPT in disk:
+ new_disk[constants.IDISK_ADOPT] = disk[constants.IDISK_ADOPT]
+ disks.append(new_disk)
+
+ return disks
+
+
+def _ComputeFullBeParams(op, cluster):
+ """Computes the full beparams.
+
+ @param op: The instance opcode
+ @param cluster: The cluster config object
+
+ @return: The fully filled beparams
+
+ """
+ default_beparams = cluster.beparams[constants.PP_DEFAULT]
+ for param, value in op.beparams.iteritems():
+ if value == constants.VALUE_AUTO:
+ op.beparams[param] = default_beparams[param]
+ objects.UpgradeBeParams(op.beparams)
+ utils.ForceDictType(op.beparams, constants.BES_PARAMETER_TYPES)
+ return cluster.SimpleFillBE(op.beparams)
+
+
class LUInstanceCreate(LogicalUnit):
"""Create an instance.
# instance name verification
if self.op.name_check:
- self.hostname1 = netutils.GetHostname(name=self.op.instance_name)
+ self.hostname1 = _CheckHostnameSane(self, self.op.instance_name)
self.op.instance_name = self.hostname1.name
# used in CheckPrereq for ip ping check
self.check_ip = self.hostname1.ip
self.needed_locks[locking.LEVEL_NODE].append(src_node)
if not os.path.isabs(src_path):
self.op.src_path = src_path = \
- utils.PathJoin(constants.EXPORT_DIR, src_path)
+ utils.PathJoin(pathutils.EXPORT_DIR, src_path)
def _RunAllocator(self):
"""Run the allocator based on input opcode.
"""
- nics = [n.ToDict() for n in self.nics]
- ial = IAllocator(self.cfg, self.rpc,
- mode=constants.IALLOCATOR_MODE_ALLOC,
- name=self.op.instance_name,
- disk_template=self.op.disk_template,
- tags=self.op.tags,
- os=self.op.os_type,
- vcpus=self.be_full[constants.BE_VCPUS],
- memory=self.be_full[constants.BE_MAXMEM],
- spindle_use=self.be_full[constants.BE_SPINDLE_USE],
- disks=self.disks,
- nics=nics,
- hypervisor=self.op.hypervisor,
- )
+ req = _CreateInstanceAllocRequest(self.op, self.disks,
+ self.nics, self.be_full)
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
" iallocator '%s': %s" %
(self.op.iallocator, ial.info),
errors.ECODE_NORES)
- if len(ial.result) != ial.required_nodes:
- raise errors.OpPrereqError("iallocator '%s' returned invalid number"
- " of nodes (%s), required %s" %
- (self.op.iallocator, len(ial.result),
- ial.required_nodes), errors.ECODE_FAULT)
self.op.pnode = ial.result[0]
self.LogInfo("Selected nodes for instance %s via iallocator %s: %s",
self.op.instance_name, self.op.iallocator,
utils.CommaJoin(ial.result))
- if ial.required_nodes == 2:
+
+ assert req.RequiredNodes() in (1, 2), "Wrong node count from iallocator"
+
+ if req.RequiredNodes() == 2:
self.op.snode = ial.result[1]
def BuildHooksEnv(self):
if src_path in exp_list[node].payload:
found = True
self.op.src_node = src_node = node
- self.op.src_path = src_path = utils.PathJoin(constants.EXPORT_DIR,
+ self.op.src_path = src_path = utils.PathJoin(pathutils.EXPORT_DIR,
src_path)
break
if not found:
_CheckGlobalHvParams(self.op.hvparams)
# fill and remember the beparams dict
- default_beparams = cluster.beparams[constants.PP_DEFAULT]
- for param, value in self.op.beparams.iteritems():
- if value == constants.VALUE_AUTO:
- self.op.beparams[param] = default_beparams[param]
- objects.UpgradeBeParams(self.op.beparams)
- utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
- self.be_full = cluster.SimpleFillBE(self.op.beparams)
+ self.be_full = _ComputeFullBeParams(self.op, cluster)
# build os parameters
self.os_full = cluster.SimpleFillOS(self.op.os_type, self.op.osparams)
self._RevertToDefaults(cluster)
# NIC buildup
- self.nics = []
- for idx, nic in enumerate(self.op.nics):
- nic_mode_req = nic.get(constants.INIC_MODE, None)
- nic_mode = nic_mode_req
- if nic_mode is None or nic_mode == constants.VALUE_AUTO:
- nic_mode = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_MODE]
-
- # in routed mode, for the first nic, the default ip is 'auto'
- if nic_mode == constants.NIC_MODE_ROUTED and idx == 0:
- default_ip_mode = constants.VALUE_AUTO
- else:
- default_ip_mode = constants.VALUE_NONE
-
- # ip validity checks
- ip = nic.get(constants.INIC_IP, default_ip_mode)
- if ip is None or ip.lower() == constants.VALUE_NONE:
- nic_ip = None
- elif ip.lower() == constants.VALUE_AUTO:
- if not self.op.name_check:
- raise errors.OpPrereqError("IP address set to auto but name checks"
- " have been skipped",
- errors.ECODE_INVAL)
- nic_ip = self.hostname1.ip
- else:
- if not netutils.IPAddress.IsValid(ip):
- raise errors.OpPrereqError("Invalid IP address '%s'" % ip,
- errors.ECODE_INVAL)
- nic_ip = ip
-
- # TODO: check the ip address for uniqueness
- if nic_mode == constants.NIC_MODE_ROUTED and not nic_ip:
- raise errors.OpPrereqError("Routed nic mode requires an ip address",
- errors.ECODE_INVAL)
-
- # MAC address verification
- mac = nic.get(constants.INIC_MAC, constants.VALUE_AUTO)
- if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE):
- mac = utils.NormalizeAndValidateMac(mac)
-
- try:
- self.cfg.ReserveMAC(mac, self.proc.GetECId())
- except errors.ReservationError:
- raise errors.OpPrereqError("MAC address %s already in use"
- " in cluster" % mac,
- errors.ECODE_NOTUNIQUE)
-
- # Build nic parameters
- link = nic.get(constants.INIC_LINK, None)
- if link == constants.VALUE_AUTO:
- link = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_LINK]
- nicparams = {}
- if nic_mode_req:
- nicparams[constants.NIC_MODE] = nic_mode
- if link:
- nicparams[constants.NIC_LINK] = link
-
- check_params = cluster.SimpleFillNIC(nicparams)
- objects.NIC.CheckParameterSyntax(check_params)
- self.nics.append(objects.NIC(mac=mac, ip=nic_ip, nicparams=nicparams))
+ self.nics = _ComputeNics(self.op, cluster, self.hostname1.ip, self.cfg,
+ self.proc)
# disk checks/pre-build
default_vg = self.cfg.GetVGName()
- self.disks = []
- for disk in self.op.disks:
- mode = disk.get(constants.IDISK_MODE, constants.DISK_RDWR)
- if mode not in constants.DISK_ACCESS_SET:
- raise errors.OpPrereqError("Invalid disk access mode '%s'" %
- mode, errors.ECODE_INVAL)
- size = disk.get(constants.IDISK_SIZE, None)
- if size is None:
- raise errors.OpPrereqError("Missing disk size", errors.ECODE_INVAL)
- try:
- size = int(size)
- except (TypeError, ValueError):
- raise errors.OpPrereqError("Invalid disk size '%s'" % size,
- errors.ECODE_INVAL)
-
- data_vg = disk.get(constants.IDISK_VG, default_vg)
- new_disk = {
- constants.IDISK_SIZE: size,
- constants.IDISK_MODE: mode,
- constants.IDISK_VG: data_vg,
- }
- if constants.IDISK_METAVG in disk:
- new_disk[constants.IDISK_METAVG] = disk[constants.IDISK_METAVG]
- if constants.IDISK_ADOPT in disk:
- new_disk[constants.IDISK_ADOPT] = disk[constants.IDISK_ADOPT]
- self.disks.append(new_disk)
+ self.disks = _ComputeDisks(self.op, default_vg)
if self.op.mode == constants.INSTANCE_IMPORT:
disk_images = []
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster, group_info)
res = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec)
if not self.op.ignore_ipolicy and res:
- raise errors.OpPrereqError(("Instance allocation to group %s violates"
- " policy: %s") % (pnode.group,
- utils.CommaJoin(res)),
- errors.ECODE_INVAL)
+ msg = ("Instance allocation to group %s (%s) violates policy: %s" %
+ (pnode.group, group_info.name, utils.CommaJoin(res)))
+ raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
if not self.adopt_disks:
if self.op.disk_template == constants.DT_RBD:
dsk[constants.IDISK_SIZE] = \
int(float(node_disks[dsk[constants.IDISK_ADOPT]]))
+ # Verify instance specs
+ spindle_use = self.be_full.get(constants.BE_SPINDLE_USE, None)
+ ispec = {
+ constants.ISPEC_MEM_SIZE: self.be_full.get(constants.BE_MAXMEM, None),
+ constants.ISPEC_CPU_COUNT: self.be_full.get(constants.BE_VCPUS, None),
+ constants.ISPEC_DISK_COUNT: len(self.disks),
+ constants.ISPEC_DISK_SIZE: [disk[constants.IDISK_SIZE]
+ for disk in self.disks],
+ constants.ISPEC_NIC_COUNT: len(self.nics),
+ constants.ISPEC_SPINDLE_USE: spindle_use,
+ }
+
+ group_info = self.cfg.GetNodeGroup(pnode.group)
+ ipolicy = _CalculateGroupIPolicy(cluster, group_info)
+ res = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec)
+ if not self.op.ignore_ipolicy and res:
+ raise errors.OpPrereqError(("Instance allocation to group %s violates"
+ " policy: %s") % (pnode.group,
+ utils.CommaJoin(res)),
+ errors.ECODE_INVAL)
+
_CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams)
_CheckNodeHasOS(self, pnode.name, self.op.os_type, self.op.force_variant)
return list(iobj.all_nodes)
+class LUInstanceMultiAlloc(NoHooksLU):
+ """Allocates multiple instances at the same time.
+
+ """
+ REQ_BGL = False
+
+ def CheckArguments(self):
+ """Check arguments.
+
+ """
+ nodes = []
+ for inst in self.op.instances:
+ if inst.iallocator is not None:
+ raise errors.OpPrereqError("iallocator are not allowed to be set on"
+ " instance objects", errors.ECODE_INVAL)
+ nodes.append(bool(inst.pnode))
+ if inst.disk_template in constants.DTS_INT_MIRROR:
+ nodes.append(bool(inst.snode))
+
+ has_nodes = compat.any(nodes)
+ if compat.all(nodes) ^ has_nodes:
+ raise errors.OpPrereqError("There are instance objects providing"
+ " pnode/snode while others do not",
+ errors.ECODE_INVAL)
+
+ if self.op.iallocator is None:
+ default_iallocator = self.cfg.GetDefaultIAllocator()
+ if default_iallocator and has_nodes:
+ self.op.iallocator = default_iallocator
+ else:
+ raise errors.OpPrereqError("No iallocator or nodes on the instances"
+ " given and no cluster-wide default"
+ " iallocator found; please specify either"
+ " an iallocator or nodes on the instances"
+ " or set a cluster-wide default iallocator",
+ errors.ECODE_INVAL)
+
+ dups = utils.FindDuplicates([op.instance_name for op in self.op.instances])
+ if dups:
+ raise errors.OpPrereqError("There are duplicate instance names: %s" %
+ utils.CommaJoin(dups), errors.ECODE_INVAL)
+
+ def ExpandNames(self):
+ """Calculate the locks.
+
+ """
+ self.share_locks = _ShareAll()
+ self.needed_locks = {}
+
+ if self.op.iallocator:
+ self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+ self.needed_locks[locking.LEVEL_NODE_RES] = locking.ALL_SET
+ else:
+ nodeslist = []
+ for inst in self.op.instances:
+ inst.pnode = _ExpandNodeName(self.cfg, inst.pnode)
+ nodeslist.append(inst.pnode)
+ if inst.snode is not None:
+ inst.snode = _ExpandNodeName(self.cfg, inst.snode)
+ nodeslist.append(inst.snode)
+
+ self.needed_locks[locking.LEVEL_NODE] = nodeslist
+ # Lock resources of instance's primary and secondary nodes (copy to
+ # prevent accidential modification)
+ self.needed_locks[locking.LEVEL_NODE_RES] = list(nodeslist)
+
+ def CheckPrereq(self):
+ """Check prerequisite.
+
+ """
+ cluster = self.cfg.GetClusterInfo()
+ default_vg = self.cfg.GetVGName()
+ insts = [_CreateInstanceAllocRequest(op, _ComputeDisks(op, default_vg),
+ _ComputeNics(op, cluster, None,
+ self.cfg, self.proc),
+ _ComputeFullBeParams(op, cluster))
+ for op in self.op.instances]
+ req = iallocator.IAReqMultiInstanceAlloc(instances=insts)
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
+
+ ial.Run(self.op.iallocator)
+
+ if not ial.success:
+ raise errors.OpPrereqError("Can't compute nodes using"
+ " iallocator '%s': %s" %
+ (self.op.iallocator, ial.info),
+ errors.ECODE_NORES)
+
+ self.ia_result = ial.result
+
+ if self.op.dry_run:
+ self.dry_run_rsult = objects.FillDict(self._ConstructPartialResult(), {
+ constants.JOB_IDS_KEY: [],
+ })
+
+ def _ConstructPartialResult(self):
+ """Contructs the partial result.
+
+ """
+ (allocatable, failed) = self.ia_result
+ return {
+ opcodes.OpInstanceMultiAlloc.ALLOCATABLE_KEY:
+ map(compat.fst, allocatable),
+ opcodes.OpInstanceMultiAlloc.FAILED_KEY: failed,
+ }
+
+ def Exec(self, feedback_fn):
+ """Executes the opcode.
+
+ """
+ op2inst = dict((op.instance_name, op) for op in self.op.instances)
+ (allocatable, failed) = self.ia_result
+
+ jobs = []
+ for (name, nodes) in allocatable:
+ op = op2inst.pop(name)
+
+ if len(nodes) > 1:
+ (op.pnode, op.snode) = nodes
+ else:
+ (op.pnode,) = nodes
+
+ jobs.append([op])
+
+ missing = set(op2inst.keys()) - set(failed)
+ assert not missing, \
+ "Iallocator did return incomplete result: %s" % utils.CommaJoin(missing)
+
+ return ResultWithJobs(jobs, **self._ConstructPartialResult())
+
+
def _CheckRADOSFreeSpace():
"""Compute disk size requirements inside the RADOS cluster.
REQ_BGL = False
def CheckArguments(self):
- TLReplaceDisks.CheckArguments(self.op.mode, self.op.remote_node,
- self.op.iallocator)
+ """Check arguments.
+
+ """
+ remote_node = self.op.remote_node
+ ialloc = self.op.iallocator
+ if self.op.mode == constants.REPLACE_DISK_CHG:
+ if remote_node is None and ialloc is None:
+ raise errors.OpPrereqError("When changing the secondary either an"
+ " iallocator script must be used or the"
+ " new node given", errors.ECODE_INVAL)
+ else:
+ _CheckIAllocatorOrNode(self, "iallocator", "remote_node")
+
+ elif remote_node is not None or ialloc is not None:
+ # Not replacing the secondary
+ raise errors.OpPrereqError("The iallocator and new node options can"
+ " only be used when changing the"
+ " secondary node", errors.ECODE_INVAL)
def ExpandNames(self):
self._ExpandAndLockInstance()
self.node_secondary_ip = None
@staticmethod
- def CheckArguments(mode, remote_node, iallocator):
- """Helper function for users of this class.
-
- """
- # check for valid parameter combination
- if mode == constants.REPLACE_DISK_CHG:
- if remote_node is None and iallocator is None:
- raise errors.OpPrereqError("When changing the secondary either an"
- " iallocator script must be used or the"
- " new node given", errors.ECODE_INVAL)
-
- if remote_node is not None and iallocator is not None:
- raise errors.OpPrereqError("Give either the iallocator or the new"
- " secondary, not both", errors.ECODE_INVAL)
-
- elif remote_node is not None or iallocator is not None:
- # Not replacing the secondary
- raise errors.OpPrereqError("The iallocator and new node options can"
- " only be used when changing the"
- " secondary node", errors.ECODE_INVAL)
-
- @staticmethod
def _RunAllocator(lu, iallocator_name, instance_name, relocate_from):
"""Compute a new secondary node using an IAllocator.
"""
- ial = IAllocator(lu.cfg, lu.rpc,
- mode=constants.IALLOCATOR_MODE_RELOC,
- name=instance_name,
- relocate_from=list(relocate_from))
+ req = iallocator.IAReqRelocate(name=instance_name,
+ relocate_from=list(relocate_from))
+ ial = iallocator.IAllocator(lu.cfg, lu.rpc, req)
ial.Run(iallocator_name)
" %s" % (iallocator_name, ial.info),
errors.ECODE_NORES)
- if len(ial.result) != ial.required_nodes:
- raise errors.OpPrereqError("iallocator '%s' returned invalid number"
- " of nodes (%s), required %s" %
- (iallocator_name,
- len(ial.result), ial.required_nodes),
- errors.ECODE_FAULT)
-
remote_node_name = ial.result[0]
lu.LogInfo("Selected new secondary for instance '%s': %s",
"Should not own any node group lock at this point"
if not self.disks:
- feedback_fn("No disks need replacement")
+ feedback_fn("No disks need replacement for instance '%s'" %
+ self.instance.name)
return
- feedback_fn("Replacing disk(s) %s for %s" %
+ feedback_fn("Replacing disk(s) %s for instance '%s'" %
(utils.CommaJoin(self.disks), self.instance.name))
+ feedback_fn("Current primary node: %s", self.instance.primary_node)
+ feedback_fn("Current seconary node: %s",
+ utils.CommaJoin(self.instance.secondary_nodes))
activate_disks = (self.instance.admin_state != constants.ADMINST_UP)
elif self.op.iallocator is not None:
# TODO: Implement relocation to other group
- ial = IAllocator(self.cfg, self.rpc, constants.IALLOCATOR_MODE_NODE_EVAC,
- evac_mode=self._MODE2IALLOCATOR[self.op.mode],
- instances=list(self.instance_names))
+ evac_mode = self._MODE2IALLOCATOR[self.op.mode]
+ req = iallocator.IAReqNodeEvac(evac_mode=evac_mode,
+ instances=list(self.instance_names))
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
for ops in jobs]
+def _DiskSizeInBytesToMebibytes(lu, size):
+ """Converts a disk size in bytes to mebibytes.
+
+ Warns and rounds up if the size isn't an even multiple of 1 MiB.
+
+ """
+ (mib, remainder) = divmod(size, 1024 * 1024)
+
+ if remainder != 0:
+ lu.LogWarning("Disk size is not an even multiple of 1 MiB; rounding up"
+ " to not overwrite existing data (%s bytes will not be"
+ " wiped)", (1024 * 1024) - remainder)
+ mib += 1
+
+ return mib
+
+
class LUInstanceGrowDisk(LogicalUnit):
"""Grow a disk of an instance.
elif level == locking.LEVEL_NODE_RES:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
assert (self.owned_locks(locking.LEVEL_NODE) ==
self.owned_locks(locking.LEVEL_NODE_RES))
+ wipe_disks = self.cfg.GetClusterInfo().prealloc_wipe_disks
+
disks_ok, _ = _AssembleInstanceDisks(self, self.instance, disks=[disk])
if not disks_ok:
raise errors.OpExecError("Cannot activate block device to grow")
self.cfg.SetDiskID(disk, node)
result = self.rpc.call_blockdev_grow(node, (disk, instance), self.delta,
True, True)
- result.Raise("Grow request failed to node %s" % node)
+ result.Raise("Dry-run grow request failed to node %s" % node)
+
+ if wipe_disks:
+ # Get disk size from primary node for wiping
+ result = self.rpc.call_blockdev_getsize(instance.primary_node, [disk])
+ result.Raise("Failed to retrieve disk size from node '%s'" %
+ instance.primary_node)
+
+ (disk_size_in_bytes, ) = result.payload
+
+ if disk_size_in_bytes is None:
+ raise errors.OpExecError("Failed to retrieve disk size from primary"
+ " node '%s'" % instance.primary_node)
+
+ old_disk_size = _DiskSizeInBytesToMebibytes(self, disk_size_in_bytes)
+
+ assert old_disk_size >= disk.size, \
+ ("Retrieved disk size too small (got %s, should be at least %s)" %
+ (old_disk_size, disk.size))
+ else:
+ old_disk_size = None
# We know that (as far as we can test) operations across different
# nodes will succeed, time to run it for real on the backing storage
# Downgrade lock while waiting for sync
self.glm.downgrade(locking.LEVEL_INSTANCE)
+ assert wipe_disks ^ (old_disk_size is None)
+
+ if wipe_disks:
+ assert instance.disks[self.op.disk] == disk
+
+ # Wipe newly added disk space
+ _WipeDisks(self, instance,
+ disks=[(self.op.disk, disk, old_disk_size)])
+
if self.op.wait_for_sync:
disk_abort = not _WaitForSync(self, instance, disks=[disk])
if disk_abort:
elif level == locking.LEVEL_NODE_RES and self.op.disk_template:
# Copy node locks
self.needed_locks[locking.LEVEL_NODE_RES] = \
- self.needed_locks[locking.LEVEL_NODE][:]
+ _CopyLockList(self.needed_locks[locking.LEVEL_NODE])
def BuildHooksEnv(self):
"""Build hooks env.
self.be_proposed[constants.BE_MAXMEM]),
errors.ECODE_INVAL)
- if self.op.runtime_mem > current_memory:
+ delta = self.op.runtime_mem - current_memory
+ if delta > 0:
_CheckNodeFreeMemory(self, instance.primary_node,
"ballooning memory for instance %s" %
- instance.name,
- self.op.memory - current_memory,
- instance.hypervisor)
+ instance.name, delta, instance.hypervisor)
if self.op.disks and instance.disk_template == constants.DT_DISKLESS:
raise errors.OpPrereqError("Disk operations not supported for"
assert instances == [self.op.instance_name], "Instance not locked"
- ial = IAllocator(self.cfg, self.rpc, constants.IALLOCATOR_MODE_CHG_GROUP,
- instances=instances, target_groups=list(self.target_uuids))
+ req = iallocator.IAReqGroupChange(instances=instances,
+ target_groups=list(self.target_uuids))
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
assert self.group_uuid not in self.target_uuids
- ial = IAllocator(self.cfg, self.rpc, constants.IALLOCATOR_MODE_CHG_GROUP,
- instances=instances, target_groups=self.target_uuids)
+ req = iallocator.IAReqGroupChange(instances=instances,
+ target_groups=self.target_uuids)
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
This checks the opcode parameters depending on the director and mode test.
"""
- if self.op.mode == constants.IALLOCATOR_MODE_ALLOC:
+ if self.op.mode in (constants.IALLOCATOR_MODE_ALLOC,
+ constants.IALLOCATOR_MODE_MULTI_ALLOC):
for attr in ["memory", "disks", "disk_template",
"os", "tags", "nics", "vcpus"]:
if not hasattr(self.op, attr):
"""
if self.op.mode == constants.IALLOCATOR_MODE_ALLOC:
- ial = IAllocator(self.cfg, self.rpc,
- mode=self.op.mode,
- name=self.op.name,
- memory=self.op.memory,
- disks=self.op.disks,
- disk_template=self.op.disk_template,
- os=self.op.os,
- tags=self.op.tags,
- nics=self.op.nics,
- vcpus=self.op.vcpus,
- hypervisor=self.op.hypervisor,
- spindle_use=self.op.spindle_use,
- )
+ req = iallocator.IAReqInstanceAlloc(name=self.op.name,
+ memory=self.op.memory,
+ disks=self.op.disks,
+ disk_template=self.op.disk_template,
+ os=self.op.os,
+ tags=self.op.tags,
+ nics=self.op.nics,
+ vcpus=self.op.vcpus,
+ spindle_use=self.op.spindle_use,
+ hypervisor=self.op.hypervisor)
elif self.op.mode == constants.IALLOCATOR_MODE_RELOC:
- ial = IAllocator(self.cfg, self.rpc,
- mode=self.op.mode,
- name=self.op.name,
- relocate_from=list(self.relocate_from),
- )
+ req = iallocator.IAReqRelocate(name=self.op.name,
+ relocate_from=list(self.relocate_from))
elif self.op.mode == constants.IALLOCATOR_MODE_CHG_GROUP:
- ial = IAllocator(self.cfg, self.rpc,
- mode=self.op.mode,
- instances=self.op.instances,
- target_groups=self.op.target_groups)
+ req = iallocator.IAReqGroupChange(instances=self.op.instances,
+ target_groups=self.op.target_groups)
elif self.op.mode == constants.IALLOCATOR_MODE_NODE_EVAC:
- ial = IAllocator(self.cfg, self.rpc,
- mode=self.op.mode,
- instances=self.op.instances,
- evac_mode=self.op.evac_mode)
+ req = iallocator.IAReqNodeEvac(instances=self.op.instances,
+ evac_mode=self.op.evac_mode)
+ elif self.op.mode == constants.IALLOCATOR_MODE_MULTI_ALLOC:
+ disk_template = self.op.disk_template
+ insts = [iallocator.IAReqInstanceAlloc(name="%s%s" % (self.op.name, idx),
+ memory=self.op.memory,
+ disks=self.op.disks,
+ disk_template=disk_template,
+ os=self.op.os,
+ tags=self.op.tags,
+ nics=self.op.nics,
+ vcpus=self.op.vcpus,
+ spindle_use=self.op.spindle_use,
+ hypervisor=self.op.hypervisor)
+ for idx in range(self.op.count)]
+ req = iallocator.IAReqMultiInstanceAlloc(instances=insts)
else:
raise errors.ProgrammerError("Uncatched mode %s in"
" LUTestAllocator.Exec", self.op.mode)
+ ial = iallocator.IAllocator(self.cfg, self.rpc, req)
if self.op.direction == constants.IALLOCATOR_DIR_IN:
result = ial.in_text
else:
projects / ganeti-local / blobdiff