wanted.append(instance)
else:
- wanted = lu.cfg.GetInstanceList()
- return utils.NiceSort(wanted)
+ wanted = utils.NiceSort(lu.cfg.GetInstanceList())
+ return wanted
def _CheckOutputFields(static, dynamic, selected):
@param secondary_nodes: list of secondary nodes as strings
@type os_type: string
@param os_type: the name of the instance's OS
- @type status: string
- @param status: the desired status of the instances
+ @type status: boolean
+ @param status: the should_run status of the instance
@type memory: string
@param memory: the memory size of the instance
@type vcpus: string
@return: the hook environment for this instance
"""
+ if status:
+ str_status = "up"
+ else:
+ str_status = "down"
env = {
"OP_TARGET": name,
"INSTANCE_NAME": name,
"INSTANCE_PRIMARY": primary_node,
"INSTANCE_SECONDARIES": " ".join(secondary_nodes),
"INSTANCE_OS_TYPE": os_type,
- "INSTANCE_STATUS": status,
+ "INSTANCE_STATUS": str_status,
"INSTANCE_MEMORY": memory,
"INSTANCE_VCPUS": vcpus,
}
'primary_node': instance.primary_node,
'secondary_nodes': instance.secondary_nodes,
'os_type': instance.os,
- 'status': instance.os,
+ 'status': instance.admin_up,
'memory': bep[constants.BE_MEMORY],
'vcpus': bep[constants.BE_VCPUS],
'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics],
self.share_locks = dict(((i, 1) for i in locking.LEVELS))
def _VerifyNode(self, nodeinfo, file_list, local_cksum,
- node_result, feedback_fn, master_files):
+ node_result, feedback_fn, master_files,
+ drbd_map):
"""Run multiple tests against a node.
Test list:
@param node_result: the results from the node
@param feedback_fn: function used to accumulate results
@param master_files: list of files that only masters should have
+ @param drbd_map: the useddrbd minors for this node, in
+ form of minor: (instance, must_exist) which correspond to instances
+ and their running status
"""
node = nodeinfo.name
# compares ganeti version
local_version = constants.PROTOCOL_VERSION
remote_version = node_result.get('version', None)
- if not remote_version:
+ if not (remote_version and isinstance(remote_version, (list, tuple)) and
+ len(remote_version) == 2):
feedback_fn(" - ERROR: connection to %s failed" % (node))
return True
- if local_version != remote_version:
- feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
- (local_version, node, remote_version))
+ if local_version != remote_version[0]:
+ feedback_fn(" - ERROR: incompatible protocol versions: master %s,"
+ " node %s %s" % (local_version, node, remote_version[0]))
return True
- # checks vg existance and size > 20G
+ # node seems compatible, we can actually try to look into its results
bad = False
+
+ # full package version
+ if constants.RELEASE_VERSION != remote_version[1]:
+ feedback_fn(" - WARNING: software version mismatch: master %s,"
+ " node %s %s" %
+ (constants.RELEASE_VERSION, node, remote_version[1]))
+
+ # checks vg existence and size > 20G
+
vglist = node_result.get(constants.NV_VGLIST, None)
if not vglist:
feedback_fn(" - ERROR: unable to check volume groups on node %s." %
if hv_result is not None:
feedback_fn(" - ERROR: hypervisor %s verify failure: '%s'" %
(hv_name, hv_result))
+
+ # check used drbd list
+ used_minors = node_result.get(constants.NV_DRBDLIST, [])
+ for minor, (iname, must_exist) in drbd_map.items():
+ if minor not in used_minors and must_exist:
+ feedback_fn(" - ERROR: drbd minor %d of instance %s is not active" %
+ (minor, iname))
+ bad = True
+ for minor in used_minors:
+ if minor not in drbd_map:
+ feedback_fn(" - ERROR: unallocated drbd minor %d is in use" % minor)
+ bad = True
+
return bad
def _VerifyInstance(self, instance, instanceconfig, node_vol_is,
(volume, node))
bad = True
- if not instanceconfig.status == 'down':
+ if instanceconfig.admin_up:
if ((node_current not in node_instance or
not instance in node_instance[node_current]) and
node_current not in n_offline):
nodelist = utils.NiceSort(self.cfg.GetNodeList())
nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist]
instancelist = utils.NiceSort(self.cfg.GetInstanceList())
+ instanceinfo = dict((iname, self.cfg.GetInstanceInfo(iname))
+ for iname in instancelist)
i_non_redundant = [] # Non redundant instances
i_non_a_balanced = [] # Non auto-balanced instances
n_offline = [] # List of offline nodes
+ n_drained = [] # List of nodes being drained
node_volume = {}
node_instance = {}
node_info = {}
constants.NV_VGLIST: None,
constants.NV_VERSION: None,
constants.NV_HVINFO: self.cfg.GetHypervisorType(),
+ constants.NV_DRBDLIST: None,
}
all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
self.cfg.GetClusterName())
cluster = self.cfg.GetClusterInfo()
master_node = self.cfg.GetMasterNode()
+ all_drbd_map = self.cfg.ComputeDRBDMap()
+
for node_i in nodeinfo:
node = node_i.name
nresult = all_nvinfo[node].data
ntype = "master"
elif node_i.master_candidate:
ntype = "master candidate"
+ elif node_i.drained:
+ ntype = "drained"
+ n_drained.append(node)
else:
ntype = "regular"
feedback_fn("* Verifying node %s (%s)" % (node, ntype))
bad = True
continue
+ node_drbd = {}
+ for minor, instance in all_drbd_map[node].items():
+ instance = instanceinfo[instance]
+ node_drbd[minor] = (instance.name, instance.admin_up)
result = self._VerifyNode(node_i, file_names, local_checksums,
- nresult, feedback_fn, master_files)
+ nresult, feedback_fn, master_files,
+ node_drbd)
bad = bad or result
lvdata = nresult.get(constants.NV_LVLIST, "Missing LV data")
if isinstance(lvdata, basestring):
feedback_fn(" - ERROR: LVM problem on node %s: %s" %
- (node, lvdata.encode('string_escape')))
+ (node, utils.SafeEncode(lvdata)))
bad = True
node_volume[node] = {}
elif not isinstance(lvdata, dict):
for instance in instancelist:
feedback_fn("* Verifying instance %s" % instance)
- inst_config = self.cfg.GetInstanceInfo(instance)
+ inst_config = instanceinfo[instance]
result = self._VerifyInstance(instance, inst_config, node_volume,
node_instance, feedback_fn, n_offline)
bad = bad or result
if n_offline:
feedback_fn(" - NOTICE: %d offline node(s) found." % len(n_offline))
+ if n_drained:
+ feedback_fn(" - NOTICE: %d drained node(s) found." % len(n_drained))
+
return not bad
def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result):
nv_dict = {}
for inst in instances:
inst_lvs = {}
- if (inst.status != "up" or
+ if (not inst.admin_up or
inst.disk_template not in constants.DTS_NET_MIRROR):
continue
inst.MapLVsByNode(inst_lvs)
continue
rstats = rstats.data
retries = 0
- for i in range(len(rstats)):
- mstat = rstats[i]
+ for i, mstat in enumerate(rstats):
if mstat is None:
lu.LogWarning("Can't compute data for node %s/%s",
node, instance.disks[i].iv_name)
result = True
if on_primary or dev.AssembleOnSecondary():
rstats = lu.rpc.call_blockdev_find(node, dev)
- if rstats.failed or not rstats.data:
- logging.warning("Node %s: disk degraded, not found or node down", node)
+ msg = rstats.RemoteFailMsg()
+ if msg:
+ lu.LogWarning("Can't find disk on node %s: %s", node, msg)
+ result = False
+ elif not rstats.payload:
+ lu.LogWarning("Can't find disk on node %s", node)
result = False
else:
- result = result and (not rstats.data[idx])
+ result = result and (not rstats.payload[idx])
if dev.children:
for child in dev.children:
result = result and _CheckDiskConsistency(lu, child, node, on_primary)
"""Logical unit for querying nodes.
"""
- _OP_REQP = ["output_fields", "names"]
+ _OP_REQP = ["output_fields", "names", "use_locking"]
REQ_BGL = False
_FIELDS_DYNAMIC = utils.FieldSet(
"dtotal", "dfree",
"mtotal", "mnode", "mfree",
"bootid",
- "ctotal",
+ "ctotal", "cnodes", "csockets",
)
_FIELDS_STATIC = utils.FieldSet(
"master_candidate",
"master",
"offline",
+ "drained",
)
def ExpandNames(self):
else:
self.wanted = locking.ALL_SET
- self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields)
+ self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields)
+ self.do_locking = self.do_node_query and self.op.use_locking
if self.do_locking:
# if we don't request only static fields, we need to lock the nodes
self.needed_locks[locking.LEVEL_NODE] = self.wanted
# begin data gathering
- if self.do_locking:
+ if self.do_node_query:
live_data = {}
node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(),
self.cfg.GetHypervisorType())
"dfree": fn(int, nodeinfo.get('vg_free', None)),
"ctotal": fn(int, nodeinfo.get('cpu_total', None)),
"bootid": nodeinfo.get('bootid', None),
+ "cnodes": fn(int, nodeinfo.get('cpu_nodes', None)),
+ "csockets": fn(int, nodeinfo.get('cpu_sockets', None)),
}
else:
live_data[name] = {}
val = node.name == master_node
elif field == "offline":
val = node.offline
+ elif field == "drained":
+ val = node.drained
elif self._FIELDS_DYNAMIC.Matches(field):
val = live_data[node.name].get(field, None)
else:
primary_ip=primary_ip,
secondary_ip=secondary_ip,
master_candidate=master_candidate,
- offline=False)
+ offline=False, drained=False)
def Exec(self, feedback_fn):
"""Adds the new node to the cluster.
keyarray[2],
keyarray[3], keyarray[4], keyarray[5])
- if result.failed or not result.data:
- raise errors.OpExecError("Cannot transfer ssh keys to the new node")
+ msg = result.RemoteFailMsg()
+ if msg:
+ raise errors.OpExecError("Cannot transfer ssh keys to the"
+ " new node: %s" % msg)
# Add node to our /etc/hosts, and add key to known_hosts
utils.AddHostToEtcHosts(new_node.name)
if result[verifier].data['nodelist']:
for failed in result[verifier].data['nodelist']:
feedback_fn("ssh/hostname verification failed %s -> %s" %
- (verifier, result[verifier]['nodelist'][failed]))
+ (verifier, result[verifier].data['nodelist'][failed]))
raise errors.OpExecError("ssh/hostname verification failed.")
# Distribute updated /etc/hosts and known_hosts to all nodes,
logging.error("Copy of file %s to node %s failed", fname, to_node)
to_copy = []
- if constants.HT_XEN_HVM in self.cfg.GetClusterInfo().enabled_hypervisors:
+ enabled_hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
+ if constants.HTS_USE_VNC.intersection(enabled_hypervisors):
to_copy.append(constants.VNC_PASSWORD_FILE)
+
for fname in to_copy:
result = self.rpc.call_upload_file([node], fname)
if result[node].failed or not result[node]:
result.append(("master_candidate", str(self.op.master_candidate)))
if self.op.master_candidate == False:
rrc = self.rpc.call_node_demote_from_mc(node.name)
- if (rrc.failed or not isinstance(rrc.data, (tuple, list))
- or len(rrc.data) != 2):
- self.LogWarning("Node rpc error: %s" % rrc.error)
- elif not rrc.data[0]:
- self.LogWarning("Node failed to demote itself: %s" % rrc.data[1])
+ msg = rrc.RemoteFailMsg()
+ if msg:
+ self.LogWarning("Node failed to demote itself: %s" % msg)
# this will trigger configuration file update, if needed
self.cfg.Update(node)
"master": cluster.master_node,
"default_hypervisor": cluster.default_hypervisor,
"enabled_hypervisors": cluster.enabled_hypervisors,
- "hvparams": cluster.hvparams,
+ "hvparams": dict([(hypervisor, cluster.hvparams[hypervisor])
+ for hypervisor in cluster.enabled_hypervisors]),
"beparams": cluster.beparams,
"candidate_pool_size": cluster.candidate_pool_size,
}
for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node):
lu.cfg.SetDiskID(node_disk, node)
result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
- if result.failed or not result:
+ msg = result.RemoteFailMsg()
+ if msg:
lu.proc.LogWarning("Could not prepare block device %s on node %s"
- " (is_primary=False, pass=1)",
- inst_disk.iv_name, node)
+ " (is_primary=False, pass=1): %s",
+ inst_disk.iv_name, node, msg)
if not ignore_secondaries:
disks_ok = False
continue
lu.cfg.SetDiskID(node_disk, node)
result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
- if result.failed or not result:
+ msg = result.RemoteFailMsg()
+ if msg:
lu.proc.LogWarning("Could not prepare block device %s on node %s"
- " (is_primary=True, pass=2)",
- inst_disk.iv_name, node)
+ " (is_primary=True, pass=2): %s",
+ inst_disk.iv_name, node, msg)
disks_ok = False
device_info.append((instance.primary_node, inst_disk.iv_name, result.data))
ignored.
"""
- result = True
+ all_result = True
for disk in instance.disks:
for node, top_disk in disk.ComputeNodeTree(instance.primary_node):
lu.cfg.SetDiskID(top_disk, node)
result = lu.rpc.call_blockdev_shutdown(node, top_disk)
- if result.failed or not result.data:
- logging.error("Could not shutdown block device %s on node %s",
- disk.iv_name, node)
+ msg = result.RemoteFailMsg()
+ if msg:
+ lu.LogWarning("Could not shutdown block device %s on node %s: %s",
+ disk.iv_name, node, msg)
if not ignore_primary or node != instance.primary_node:
- result = False
- return result
+ all_result = False
+ return all_result
def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor_name):
_StartInstanceDisks(self, instance, force)
result = self.rpc.call_instance_start(node_current, instance, extra_args)
- if result.failed or not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
_ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance")
+ raise errors.OpExecError("Could not start instance: %s" % msg)
class LURebootInstance(LogicalUnit):
_ShutdownInstanceDisks(self, instance)
_StartInstanceDisks(self, instance, ignore_secondaries)
result = self.rpc.call_instance_start(node_current, instance, extra_args)
- if result.failed or not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
_ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance for full reboot")
+ raise errors.OpExecError("Could not start instance for"
+ " full reboot: %s" % msg)
self.cfg.MarkInstanceUp(instance.name)
if instance.disk_template == constants.DT_DISKLESS:
raise errors.OpPrereqError("Instance '%s' has no disks" %
self.op.instance_name)
- if instance.status != "down":
+ if instance.admin_up:
raise errors.OpPrereqError("Instance '%s' is marked to be up" %
self.op.instance_name)
remote_info = self.rpc.call_instance_info(instance.primary_node,
try:
feedback_fn("Running the instance OS create scripts...")
result = self.rpc.call_instance_os_add(inst.primary_node, inst)
- result.Raise()
- if not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
raise errors.OpExecError("Could not install OS for instance %s"
- " on node %s" %
- (inst.name, inst.primary_node))
+ " on node %s: %s" %
+ (inst.name, inst.primary_node, msg))
finally:
_ShutdownInstanceDisks(self, inst)
self.op.instance_name)
_CheckNodeOnline(self, instance.primary_node)
- if instance.status != "down":
+ if instance.admin_up:
raise errors.OpPrereqError("Instance '%s' is marked to be up" %
self.op.instance_name)
remote_info = self.rpc.call_instance_info(instance.primary_node,
try:
result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
old_name)
- if result.failed or not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
msg = ("Could not run OS rename script for instance %s on node %s"
- " (but the instance has been renamed in Ganeti)" %
- (inst.name, inst.primary_node))
+ " (but the instance has been renamed in Ganeti): %s" %
+ (inst.name, inst.primary_node, msg))
self.proc.LogWarning(msg)
finally:
_ShutdownInstanceDisks(self, inst)
"""Logical unit for querying instances.
"""
- _OP_REQP = ["output_fields", "names"]
+ _OP_REQP = ["output_fields", "names", "use_locking"]
REQ_BGL = False
_FIELDS_STATIC = utils.FieldSet(*["name", "os", "pnode", "snodes",
"admin_state", "admin_ram",
"sda_size", "sdb_size", "vcpus", "tags",
"network_port", "beparams",
"(disk).(size)/([0-9]+)",
- "(disk).(sizes)",
+ "(disk).(sizes)", "disk_usage",
"(nic).(mac|ip|bridge)/([0-9]+)",
"(nic).(macs|ips|bridges)",
"(disk|nic).(count)",
else:
self.wanted = locking.ALL_SET
- self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields)
+ self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields)
+ self.do_locking = self.do_node_query and self.op.use_locking
if self.do_locking:
self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted
self.needed_locks[locking.LEVEL_NODE] = []
"""
all_info = self.cfg.GetAllInstancesInfo()
- if self.do_locking:
- instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
- elif self.wanted != locking.ALL_SET:
- instance_names = self.wanted
- missing = set(instance_names).difference(all_info.keys())
- if missing:
- raise errors.OpExecError(
- "Some instances were removed before retrieving their data: %s"
- % missing)
+ if self.wanted == locking.ALL_SET:
+ # caller didn't specify instance names, so ordering is not important
+ if self.do_locking:
+ instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
+ else:
+ instance_names = all_info.keys()
+ instance_names = utils.NiceSort(instance_names)
else:
- instance_names = all_info.keys()
+ # caller did specify names, so we must keep the ordering
+ if self.do_locking:
+ tgt_set = self.acquired_locks[locking.LEVEL_INSTANCE]
+ else:
+ tgt_set = all_info.keys()
+ missing = set(self.wanted).difference(tgt_set)
+ if missing:
+ raise errors.OpExecError("Some instances were removed before"
+ " retrieving their data: %s" % missing)
+ instance_names = self.wanted
- instance_names = utils.NiceSort(instance_names)
instance_list = [all_info[iname] for iname in instance_names]
# begin data gathering
bad_nodes = []
off_nodes = []
- if self.do_locking:
+ if self.do_node_query:
live_data = {}
node_data = self.rpc.call_all_instances_info(nodes, hv_list)
for name in nodes:
elif field == "snodes":
val = list(instance.secondary_nodes)
elif field == "admin_state":
- val = (instance.status != "down")
+ val = instance.admin_up
elif field == "oper_state":
if instance.primary_node in bad_nodes:
val = None
else:
running = bool(live_data.get(instance.name))
if running:
- if instance.status != "down":
+ if instance.admin_up:
val = "running"
else:
val = "ERROR_up"
else:
- if instance.status != "down":
+ if instance.admin_up:
val = "ERROR_down"
else:
val = "ADMIN_down"
val = instance.FindDisk(idx).size
except errors.OpPrereqError:
val = None
+ elif field == "disk_usage": # total disk usage per node
+ disk_sizes = [{'size': disk.size} for disk in instance.disks]
+ val = _ComputeDiskSize(instance.disk_template, disk_sizes)
elif field == "tags":
val = list(instance.GetTags())
elif field == "serial_no":
for dev in instance.disks:
# for drbd, these are drbd over lvm
if not _CheckDiskConsistency(self, dev, target_node, False):
- if instance.status == "up" and not self.op.ignore_consistency:
+ if instance.admin_up and not self.op.ignore_consistency:
raise errors.OpExecError("Disk %s is degraded on target node,"
" aborting failover." % dev.iv_name)
self.cfg.Update(instance)
# Only start the instance if it's marked as up
- if instance.status == "up":
+ if instance.admin_up:
feedback_fn("* activating the instance's disks on target node")
logging.info("Starting instance %s on node %s",
instance.name, target_node)
feedback_fn("* starting the instance on the target node")
result = self.rpc.call_instance_start(target_node, instance, None)
- if result.failed or not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
_ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance %s on node %s." %
- (instance.name, target_node))
+ raise errors.OpExecError("Could not start instance %s on node %s: %s" %
+ (instance.name, target_node, msg))
class LUMigrateInstance(LogicalUnit):
if msg:
raise errors.OpExecError("Cannot resync disks on node %s: %s" %
(node, msg))
- node_done, node_percent = nres.data[1]
+ node_done, node_percent = nres.payload
all_done = all_done and node_done
if node_percent is not None:
min_percent = min(min_percent, node_percent)
self.feedback_fn("* done")
+ def _RevertDiskStatus(self):
+ """Try to revert the disk status after a failed migration.
+
+ """
+ target_node = self.target_node
+ try:
+ self._EnsureSecondary(target_node)
+ self._GoStandalone()
+ self._GoReconnect(False)
+ self._WaitUntilSync()
+ except errors.OpExecError, err:
+ self.LogWarning("Migration failed and I can't reconnect the"
+ " drives: error '%s'\n"
+ "Please look and recover the instance status" %
+ str(err))
+
+ def _AbortMigration(self):
+ """Call the hypervisor code to abort a started migration.
+
+ """
+ instance = self.instance
+ target_node = self.target_node
+ migration_info = self.migration_info
+
+ abort_result = self.rpc.call_finalize_migration(target_node,
+ instance,
+ migration_info,
+ False)
+ abort_msg = abort_result.RemoteFailMsg()
+ if abort_msg:
+ logging.error("Aborting migration failed on target node %s: %s" %
+ (target_node, abort_msg))
+ # Don't raise an exception here, as we stil have to try to revert the
+ # disk status, even if this step failed.
+
def _ExecMigration(self):
"""Migrate an instance.
" synchronized on target node,"
" aborting migrate." % dev.iv_name)
+ # First get the migration information from the remote node
+ result = self.rpc.call_migration_info(source_node, instance)
+ msg = result.RemoteFailMsg()
+ if msg:
+ log_err = ("Failed fetching source migration information from %s: %s" %
+ (source_node, msg))
+ logging.error(log_err)
+ raise errors.OpExecError(log_err)
+
+ self.migration_info = migration_info = result.payload
+
+ # Then switch the disks to master/master mode
self._EnsureSecondary(target_node)
self._GoStandalone()
self._GoReconnect(True)
self._WaitUntilSync()
+ self.feedback_fn("* preparing %s to accept the instance" % target_node)
+ result = self.rpc.call_accept_instance(target_node,
+ instance,
+ migration_info,
+ self.nodes_ip[target_node])
+
+ msg = result.RemoteFailMsg()
+ if msg:
+ logging.error("Instance pre-migration failed, trying to revert"
+ " disk status: %s", msg)
+ self._AbortMigration()
+ self._RevertDiskStatus()
+ raise errors.OpExecError("Could not pre-migrate instance %s: %s" %
+ (instance.name, msg))
+
self.feedback_fn("* migrating instance to %s" % target_node)
time.sleep(10)
result = self.rpc.call_instance_migrate(source_node, instance,
if msg:
logging.error("Instance migration failed, trying to revert"
" disk status: %s", msg)
- try:
- self._EnsureSecondary(target_node)
- self._GoStandalone()
- self._GoReconnect(False)
- self._WaitUntilSync()
- except errors.OpExecError, err:
- self.LogWarning("Migration failed and I can't reconnect the"
- " drives: error '%s'\n"
- "Please look and recover the instance status" %
- str(err))
-
+ self._AbortMigration()
+ self._RevertDiskStatus()
raise errors.OpExecError("Could not migrate instance %s: %s" %
(instance.name, msg))
time.sleep(10)
# distribute new instance config to the other nodes
self.cfg.Update(instance)
+ result = self.rpc.call_finalize_migration(target_node,
+ instance,
+ migration_info,
+ True)
+ msg = result.RemoteFailMsg()
+ if msg:
+ logging.error("Instance migration succeeded, but finalization failed:"
+ " %s" % msg)
+ raise errors.OpExecError("Could not finalize instance migration: %s" %
+ msg)
+
self._EnsureSecondary(source_node)
self._WaitUntilSync()
self._GoStandalone()
(this will be represented as a LVM tag)
@type force_open: boolean
@param force_open: this parameter will be passes to the
- L{backend.CreateBlockDevice} function where it specifies
+ L{backend.BlockdevCreate} function where it specifies
whether we run on primary or not, and it affects both
the child assembly and the device own Open() execution
(this will be represented as a LVM tag)
@type force_open: boolean
@param force_open: this parameter will be passes to the
- L{backend.CreateBlockDevice} function where it specifies
+ L{backend.BlockdevCreate} function where it specifies
whether we run on primary or not, and it affects both
the child assembly and the device own Open() execution
" node %s for instance %s: %s" %
(device, node, instance.name, msg))
if device.physical_id is None:
- device.physical_id = result.data[1]
+ device.physical_id = result.payload
def _GenerateUniqueNames(lu, exts):
disk_index = idx + base_index
disk_dev = objects.Disk(dev_type=constants.LD_LV, size=disk["size"],
logical_id=(vgname, names[idx]),
- iv_name="disk/%d" % disk_index)
+ iv_name="disk/%d" % disk_index,
+ mode=disk["mode"])
disks.append(disk_dev)
elif template_name == constants.DT_DRBD8:
if len(secondary_nodes) != 1:
disk["size"], names[idx*2:idx*2+2],
"disk/%d" % disk_index,
minors[idx*2], minors[idx*2+1])
+ disk_dev.mode = disk["mode"]
disks.append(disk_dev)
elif template_name == constants.DT_FILE:
if len(secondary_nodes) != 0:
iv_name="disk/%d" % disk_index,
logical_id=(file_driver,
"%s/disk%d" % (file_storage_dir,
- idx)))
+ idx)),
+ mode=disk["mode"])
disks.append(disk_dev)
else:
raise errors.ProgrammerError("Invalid disk template '%s'" % template_name)
"""
logging.info("Removing block devices for instance %s", instance.name)
- result = True
+ all_result = True
for device in instance.disks:
for node, disk in device.ComputeNodeTree(instance.primary_node):
lu.cfg.SetDiskID(disk, node)
- result = lu.rpc.call_blockdev_remove(node, disk)
- if result.failed or not result.data:
- lu.proc.LogWarning("Could not remove block device %s on node %s,"
- " continuing anyway", device.iv_name, node)
- result = False
+ msg = lu.rpc.call_blockdev_remove(node, disk).RemoteFailMsg()
+ if msg:
+ lu.LogWarning("Could not remove block device %s on node %s,"
+ " continuing anyway: %s", device.iv_name, node, msg)
+ all_result = False
if instance.disk_template == constants.DT_FILE:
file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1])
file_storage_dir)
if result.failed or not result.data:
logging.error("Could not remove directory '%s'", file_storage_dir)
- result = False
+ all_result = False
- return result
+ return all_result
def _ComputeDiskSize(disk_template, disks):
hvparams)
for node in nodenames:
info = hvinfo[node]
- info.Raise()
- if not info.data or not isinstance(info.data, (tuple, list)):
- raise errors.OpPrereqError("Cannot get current information"
- " from node '%s' (%s)" % (node, info.data))
- if not info.data[0]:
+ if info.offline:
+ continue
+ msg = info.RemoteFailMsg()
+ if msg:
raise errors.OpPrereqError("Hypervisor parameter validation failed:"
- " %s" % info.data[1])
+ " %s" % msg)
class LUCreateInstance(LogicalUnit):
raise errors.OpPrereqError("Invalid MAC address specified: %s" %
mac)
# bridge verification
- bridge = nic.get("bridge", self.cfg.GetDefBridge())
+ bridge = nic.get("bridge", None)
+ if bridge is None:
+ bridge = self.cfg.GetDefBridge()
self.nics.append(objects.NIC(mac=mac, ip=nic_ip, bridge=bridge))
# disk checks/pre-build
env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
primary_node=self.op.pnode,
secondary_nodes=self.secondaries,
- status=self.instance_status,
+ status=self.op.start,
os_type=self.op.os_type,
memory=self.be_full[constants.BE_MEMORY],
vcpus=self.be_full[constants.BE_VCPUS],
self.be_full[constants.BE_MEMORY],
self.op.hypervisor)
- if self.op.start:
- self.instance_status = 'up'
- else:
- self.instance_status = 'down'
-
def Exec(self, feedback_fn):
"""Create and add the instance to the cluster.
primary_node=pnode_name,
nics=self.nics, disks=disks,
disk_template=self.op.disk_template,
- status=self.instance_status,
+ admin_up=False,
network_port=network_port,
beparams=self.op.beparams,
hvparams=self.op.hvparams,
# Declare that we don't want to remove the instance lock anymore, as we've
# added the instance to the config
del self.remove_locks[locking.LEVEL_INSTANCE]
- # Remove the temp. assignements for the instance's drbds
- self.cfg.ReleaseDRBDMinors(instance)
# Unlock all the nodes
if self.op.mode == constants.INSTANCE_IMPORT:
nodes_keep = [self.op.src_node]
if self.op.mode == constants.INSTANCE_CREATE:
feedback_fn("* running the instance OS create scripts...")
result = self.rpc.call_instance_os_add(pnode_name, iobj)
- result.Raise()
- if not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
raise errors.OpExecError("Could not add os for instance %s"
- " on node %s" %
- (instance, pnode_name))
+ " on node %s: %s" %
+ (instance, pnode_name, msg))
elif self.op.mode == constants.INSTANCE_IMPORT:
feedback_fn("* running the instance OS import scripts...")
% self.op.mode)
if self.op.start:
+ iobj.admin_up = True
+ self.cfg.Update(iobj)
logging.info("Starting instance %s on node %s", instance, pnode_name)
feedback_fn("* starting instance...")
result = self.rpc.call_instance_start(pnode_name, iobj, None)
- result.Raise()
- if not result.data:
- raise errors.OpExecError("Could not start instance")
+ msg = result.RemoteFailMsg()
+ if msg:
+ raise errors.OpExecError("Could not start instance: %s" % msg)
class LUConnectConsole(NoHooksLU):
logging.debug("Connecting to console of %s on %s", instance.name, node)
hyper = hypervisor.GetHypervisor(instance.hypervisor)
- console_cmd = hyper.GetShellCommandForConsole(instance)
+ cluster = self.cfg.GetClusterInfo()
+ # beparams and hvparams are passed separately, to avoid editing the
+ # instance and then saving the defaults in the instance itself.
+ hvparams = cluster.FillHV(instance)
+ beparams = cluster.FillBE(instance)
+ console_cmd = hyper.GetShellCommandForConsole(instance, hvparams, beparams)
# build ssh cmdline
return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True)
raise errors.OpPrereqError("Node '%s' not known" %
self.op.remote_node)
self.op.remote_node = 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.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
else:
for node in tgt_node, oth_node:
info("checking disk/%d on %s" % (idx, node))
cfg.SetDiskID(dev, node)
- if not self.rpc.call_blockdev_find(node, dev):
- raise errors.OpExecError("Can't find disk/%d on node %s" %
- (idx, node))
+ result = self.rpc.call_blockdev_find(node, dev)
+ msg = result.RemoteFailMsg()
+ if not msg and not result.payload:
+ msg = "disk not found"
+ if msg:
+ raise errors.OpExecError("Can't find disk/%d on node %s: %s" %
+ (idx, node, msg))
# Step: check other node consistency
self.proc.LogStep(2, steps_total, "check peer consistency")
# build the rename list based on what LVs exist on the node
rlist = []
for to_ren in old_lvs:
- find_res = self.rpc.call_blockdev_find(tgt_node, to_ren)
- if not find_res.failed and find_res.data is not None: # device exists
+ result = self.rpc.call_blockdev_find(tgt_node, to_ren)
+ if not result.RemoteFailMsg() and result.payload:
+ # device exists
rlist.append((to_ren, ren_fn(to_ren, temp_suffix)))
info("renaming the old LVs on the target node")
result = self.rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs)
if result.failed or not result.data:
for new_lv in new_lvs:
- result = self.rpc.call_blockdev_remove(tgt_node, new_lv)
- if result.failed or not result.data:
- warning("Can't rollback device %s", hint="manually cleanup unused"
- " logical volumes")
+ msg = self.rpc.call_blockdev_remove(tgt_node, new_lv).RemoteFailMsg()
+ if msg:
+ warning("Can't rollback device %s: %s", dev, msg,
+ hint="cleanup manually the unused logical volumes")
raise errors.OpExecError("Can't add local storage to drbd")
dev.children = new_lvs
for name, (dev, old_lvs, new_lvs) in iv_names.iteritems():
cfg.SetDiskID(dev, instance.primary_node)
result = self.rpc.call_blockdev_find(instance.primary_node, dev)
- if result.failed or result.data[5]:
+ msg = result.RemoteFailMsg()
+ if not msg and not result.payload:
+ msg = "disk not found"
+ if msg:
+ raise errors.OpExecError("Can't find DRBD device %s: %s" %
+ (name, msg))
+ if result.payload[5]:
raise errors.OpExecError("DRBD device %s is degraded!" % name)
# Step: remove old storage
info("remove logical volumes for %s" % name)
for lv in old_lvs:
cfg.SetDiskID(lv, tgt_node)
- result = self.rpc.call_blockdev_remove(tgt_node, lv)
- if result.failed or not result.data:
- warning("Can't remove old LV", hint="manually remove unused LVs")
+ msg = self.rpc.call_blockdev_remove(tgt_node, lv).RemoteFailMsg()
+ if msg:
+ warning("Can't remove old LV: %s" % msg,
+ hint="manually remove unused LVs")
continue
def _ExecD8Secondary(self, feedback_fn):
info("checking disk/%d on %s" % (idx, pri_node))
cfg.SetDiskID(dev, pri_node)
result = self.rpc.call_blockdev_find(pri_node, dev)
- result.Raise()
- if not result.data:
- raise errors.OpExecError("Can't find disk/%d on node %s" %
- (idx, pri_node))
+ msg = result.RemoteFailMsg()
+ if not msg and not result.payload:
+ msg = "disk not found"
+ if msg:
+ raise errors.OpExecError("Can't find disk/%d on node %s: %s" %
+ (idx, pri_node, msg))
# Step: check other node consistency
self.proc.LogStep(2, steps_total, "check peer consistency")
try:
_CreateSingleBlockDev(self, new_node, instance, new_drbd,
_GetInstanceInfoText(instance), False)
- except error.BlockDeviceError:
+ except errors.BlockDeviceError:
self.cfg.ReleaseDRBDMinors(instance.name)
raise
# we have new devices, shutdown the drbd on the old secondary
info("shutting down drbd for disk/%d on old node" % idx)
cfg.SetDiskID(dev, old_node)
- result = self.rpc.call_blockdev_shutdown(old_node, dev)
- if result.failed or not result.data:
- warning("Failed to shutdown drbd for disk/%d on old node" % idx,
+ msg = self.rpc.call_blockdev_shutdown(old_node, dev).RemoteFailMsg()
+ if msg:
+ warning("Failed to shutdown drbd for disk/%d on old node: %s" %
+ (idx, msg),
hint="Please cleanup this device manually as soon as possible")
info("detaching primary drbds from the network (=> standalone)")
dev.logical_id = new_logical_id
cfg.SetDiskID(dev, pri_node)
cfg.Update(instance)
- # we can remove now the temp minors as now the new values are
- # written to the config file (and therefore stable)
- self.cfg.ReleaseDRBDMinors(instance.name)
# and now perform the drbd attach
info("attaching primary drbds to new secondary (standalone => connected)")
for idx, (dev, old_lvs, _) in iv_names.iteritems():
cfg.SetDiskID(dev, pri_node)
result = self.rpc.call_blockdev_find(pri_node, dev)
- result.Raise()
- if result.data[5]:
+ msg = result.RemoteFailMsg()
+ if not msg and not result.payload:
+ msg = "disk not found"
+ if msg:
+ raise errors.OpExecError("Can't find DRBD device disk/%d: %s" %
+ (idx, msg))
+ if result.payload[5]:
raise errors.OpExecError("DRBD device disk/%d is degraded!" % idx)
self.proc.LogStep(6, steps_total, "removing old storage")
info("remove logical volumes for disk/%d" % idx)
for lv in old_lvs:
cfg.SetDiskID(lv, old_node)
- result = self.rpc.call_blockdev_remove(old_node, lv)
- if result.failed or not result.data:
- warning("Can't remove LV on old secondary",
+ msg = self.rpc.call_blockdev_remove(old_node, lv).RemoteFailMsg()
+ if msg:
+ warning("Can't remove LV on old secondary: %s", msg,
hint="Cleanup stale volumes by hand")
def Exec(self, feedback_fn):
instance = self.instance
# Activate the instance disks if we're replacing them on a down instance
- if instance.status == "down":
+ if not instance.admin_up:
_StartInstanceDisks(self, instance, True)
if self.op.mode == constants.REPLACE_DISK_CHG:
ret = fn(feedback_fn)
# Deactivate the instance disks if we're replacing them on a down instance
- if instance.status == "down":
+ if not instance.admin_up:
_SafeShutdownInstanceDisks(self, instance)
return ret
for node in instance.all_nodes:
self.cfg.SetDiskID(disk, node)
result = self.rpc.call_blockdev_grow(node, disk, self.op.amount)
- result.Raise()
- if (not result.data or not isinstance(result.data, (list, tuple)) or
- len(result.data) != 2):
- raise errors.OpExecError("Grow request failed to node %s" % node)
- elif not result.data[0]:
+ msg = result.RemoteFailMsg()
+ if msg:
raise errors.OpExecError("Grow request failed to node %s: %s" %
- (node, result.data[1]))
+ (node, msg))
disk.RecordGrow(self.op.amount)
self.cfg.Update(instance)
if self.op.wait_for_sync:
if not static:
self.cfg.SetDiskID(dev, instance.primary_node)
dev_pstatus = self.rpc.call_blockdev_find(instance.primary_node, dev)
- dev_pstatus.Raise()
- dev_pstatus = dev_pstatus.data
+ msg = dev_pstatus.RemoteFailMsg()
+ if msg:
+ raise errors.OpExecError("Can't compute disk status for %s: %s" %
+ (instance.name, msg))
+ dev_pstatus = dev_pstatus.payload
else:
dev_pstatus = None
if snode and not static:
self.cfg.SetDiskID(dev, snode)
dev_sstatus = self.rpc.call_blockdev_find(snode, dev)
- dev_sstatus.Raise()
- dev_sstatus = dev_sstatus.data
+ msg = dev_sstatus.RemoteFailMsg()
+ if msg:
+ raise errors.OpExecError("Can't compute disk status for %s: %s" %
+ (instance.name, msg))
+ dev_sstatus = dev_sstatus.payload
else:
dev_sstatus = None
remote_state = "down"
else:
remote_state = None
- if instance.status == "down":
- config_state = "down"
- else:
+ if instance.admin_up:
config_state = "up"
+ else:
+ config_state = "down"
disks = [self._ComputeDiskStatus(instance, None, device)
for device in instance.disks]
raise errors.OpPrereqError("Invalid disk index")
if disk_op == constants.DDM_ADD:
mode = disk_dict.setdefault('mode', constants.DISK_RDWR)
- if mode not in (constants.DISK_RDONLY, constants.DISK_RDWR):
+ if mode not in constants.DISK_ACCESS_SET:
raise errors.OpPrereqError("Invalid disk access mode '%s'" % mode)
size = disk_dict.get('size', None)
if size is None:
device_idx = len(instance.disks)
for node, disk in device.ComputeNodeTree(instance.primary_node):
self.cfg.SetDiskID(disk, node)
- rpc_result = self.rpc.call_blockdev_remove(node, disk)
- if rpc_result.failed or not rpc_result.data:
- self.proc.LogWarning("Could not remove disk/%d on node %s,"
- " continuing anyway", device_idx, node)
+ msg = self.rpc.call_blockdev_remove(node, disk).RemoteFailMsg()
+ if msg:
+ self.LogWarning("Could not remove disk/%d on node %s: %s,"
+ " continuing anyway", device_idx, node, msg)
result.append(("disk/%d" % device_idx, "remove"))
elif disk_op == constants.DDM_ADD:
# add a new disk
disk_idx_base = len(instance.disks)
new_disk = _GenerateDiskTemplate(self,
instance.disk_template,
- instance, instance.primary_node,
+ instance.name, instance.primary_node,
instance.secondary_nodes,
[disk_dict],
file_path,
file_driver,
disk_idx_base)[0]
- new_disk.mode = disk_dict['mode']
instance.disks.append(new_disk)
info = _GetInstanceInfoText(instance)
try:
_CreateBlockDev(self, node, instance, new_disk,
f_create, info, f_create)
- except error.OpExecError, err:
+ except errors.OpExecError, err:
self.LogWarning("Failed to create volume %s (%s) on"
" node %s: %s",
new_disk.iv_name, new_disk, node, err)
# hvparams changes
if self.op.hvparams:
- instance.hvparams = self.hv_new
+ instance.hvparams = self.hv_inst
for key, val in self.op.hvparams.iteritems():
result.append(("hv/%s" % key, val))
snap_disks.append(new_dev)
finally:
- if self.op.shutdown and instance.status == "up":
+ if self.op.shutdown and instance.admin_up:
result = self.rpc.call_instance_start(src_node, instance, None)
- if result.failed or not result.data:
+ msg = result.RemoteFailMsg()
+ if msg:
_ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance")
+ raise errors.OpExecError("Could not start instance: %s" % msg)
# TODO: check for size
self.LogWarning("Could not export block device %s from node %s to"
" node %s", dev.logical_id[1], src_node,
dst_node.name)
- result = self.rpc.call_blockdev_remove(src_node, dev)
- if result.failed or not result.data:
+ msg = self.rpc.call_blockdev_remove(src_node, dev).RemoteFailMsg()
+ if msg:
self.LogWarning("Could not remove snapshot block device %s from node"
- " %s", dev.logical_id[1], src_node)
+ " %s: %s", dev.logical_id[1], src_node, msg)
result = self.rpc.call_finalize_export(dst_node.name, instance, snap_disks)
if result.failed or not result.data:
"version": 1,
"cluster_name": cfg.GetClusterName(),
"cluster_tags": list(cluster_info.GetTags()),
- "enable_hypervisors": list(cluster_info.enabled_hypervisors),
+ "enabled_hypervisors": list(cluster_info.enabled_hypervisors),
# we don't have job IDs
}
iinfo = cfg.GetAllInstancesInfo().values()
hypervisor_name)
node_iinfo = self.lu.rpc.call_all_instances_info(node_list,
cluster_info.enabled_hypervisors)
- for nname in node_list:
+ for nname, nresult in node_data.items():
+ # first fill in static (config-based) values
ninfo = cfg.GetNodeInfo(nname)
- node_data[nname].Raise()
- if not isinstance(node_data[nname].data, dict):
- raise errors.OpExecError("Can't get data for node %s" % nname)
- remote_info = node_data[nname].data
- for attr in ['memory_total', 'memory_free', 'memory_dom0',
- 'vg_size', 'vg_free', 'cpu_total']:
- if attr not in remote_info:
- raise errors.OpExecError("Node '%s' didn't return attribute '%s'" %
- (nname, attr))
- try:
- remote_info[attr] = int(remote_info[attr])
- except ValueError, err:
- raise errors.OpExecError("Node '%s' returned invalid value for '%s':"
- " %s" % (nname, attr, str(err)))
- # compute memory used by primary instances
- i_p_mem = i_p_up_mem = 0
- for iinfo, beinfo in i_list:
- if iinfo.primary_node == nname:
- i_p_mem += beinfo[constants.BE_MEMORY]
- if iinfo.name not in node_iinfo[nname]:
- i_used_mem = 0
- else:
- i_used_mem = int(node_iinfo[nname][iinfo.name]['memory'])
- i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem
- remote_info['memory_free'] -= max(0, i_mem_diff)
-
- if iinfo.status == "up":
- i_p_up_mem += beinfo[constants.BE_MEMORY]
-
- # compute memory used by instances
pnr = {
"tags": list(ninfo.GetTags()),
- "total_memory": remote_info['memory_total'],
- "reserved_memory": remote_info['memory_dom0'],
- "free_memory": remote_info['memory_free'],
- "i_pri_memory": i_p_mem,
- "i_pri_up_memory": i_p_up_mem,
- "total_disk": remote_info['vg_size'],
- "free_disk": remote_info['vg_free'],
"primary_ip": ninfo.primary_ip,
"secondary_ip": ninfo.secondary_ip,
- "total_cpus": remote_info['cpu_total'],
"offline": ninfo.offline,
+ "drained": ninfo.drained,
+ "master_candidate": ninfo.master_candidate,
}
+
+ if not ninfo.offline:
+ nresult.Raise()
+ if not isinstance(nresult.data, dict):
+ raise errors.OpExecError("Can't get data for node %s" % nname)
+ remote_info = nresult.data
+ for attr in ['memory_total', 'memory_free', 'memory_dom0',
+ 'vg_size', 'vg_free', 'cpu_total']:
+ if attr not in remote_info:
+ raise errors.OpExecError("Node '%s' didn't return attribute"
+ " '%s'" % (nname, attr))
+ try:
+ remote_info[attr] = int(remote_info[attr])
+ except ValueError, err:
+ raise errors.OpExecError("Node '%s' returned invalid value"
+ " for '%s': %s" % (nname, attr, err))
+ # compute memory used by primary instances
+ i_p_mem = i_p_up_mem = 0
+ for iinfo, beinfo in i_list:
+ if iinfo.primary_node == nname:
+ i_p_mem += beinfo[constants.BE_MEMORY]
+ if iinfo.name not in node_iinfo[nname].data:
+ i_used_mem = 0
+ else:
+ i_used_mem = int(node_iinfo[nname].data[iinfo.name]['memory'])
+ i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem
+ remote_info['memory_free'] -= max(0, i_mem_diff)
+
+ if iinfo.admin_up:
+ i_p_up_mem += beinfo[constants.BE_MEMORY]
+
+ # compute memory used by instances
+ pnr_dyn = {
+ "total_memory": remote_info['memory_total'],
+ "reserved_memory": remote_info['memory_dom0'],
+ "free_memory": remote_info['memory_free'],
+ "total_disk": remote_info['vg_size'],
+ "free_disk": remote_info['vg_free'],
+ "total_cpus": remote_info['cpu_total'],
+ "i_pri_memory": i_p_mem,
+ "i_pri_up_memory": i_p_up_mem,
+ }
+ pnr.update(pnr_dyn)
+
node_results[nname] = pnr
data["nodes"] = node_results
for n in iinfo.nics]
pir = {
"tags": list(iinfo.GetTags()),
- "should_run": iinfo.status == "up",
+ "admin_up": iinfo.admin_up,
"vcpus": beinfo[constants.BE_VCPUS],
"memory": beinfo[constants.BE_MEMORY],
"os": iinfo.os,
- "nodes": list(iinfo.all_nodes),
+ "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes),
"nics": nic_data,
- "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks],
+ "disks": [{"size": dsk.size, "mode": dsk.mode} for dsk in iinfo.disks],
"disk_template": iinfo.disk_template,
"hypervisor": iinfo.hypervisor,
}
"""
data = self.in_data
- if len(self.disks) != 2:
- raise errors.OpExecError("Only two-disk configurations supported")
disk_space = _ComputeDiskSize(self.disk_template, self.disks)
" 'nics' parameter")
if not isinstance(self.op.disks, list):
raise errors.OpPrereqError("Invalid parameter 'disks'")
- if len(self.op.disks) != 2:
- raise errors.OpPrereqError("Only two-disk configurations supported")
for row in self.op.disks:
if (not isinstance(row, dict) or
"size" not in row or
row["mode"] not in ['r', 'w']):
raise errors.OpPrereqError("Invalid contents of the"
" 'disks' parameter")
- if self.op.hypervisor is None:
+ if not hasattr(self.op, "hypervisor") or self.op.hypervisor is None:
self.op.hypervisor = self.cfg.GetHypervisorType()
elif self.op.mode == constants.IALLOCATOR_MODE_RELOC:
if not hasattr(self.op, "name"):