import socket
import tempfile
import shutil
+import itertools
from ganeti import ssh
from ganeti import utils
raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
-def _CheckNodeOnline(lu, node):
+def _CheckNodeOnline(lu, node, msg=None):
"""Ensure that a given node is online.
@param lu: the LU on behalf of which we make the check
@param node: the node to check
+ @param msg: if passed, should be a message to replace the default one
@raise errors.OpPrereqError: if the node is offline
"""
+ if msg is None:
+ msg = "Can't use offline node"
if lu.cfg.GetNodeInfo(node).offline:
- raise errors.OpPrereqError("Can't use offline node %s" % node,
- errors.ECODE_INVAL)
+ raise errors.OpPrereqError("%s: %s" % (msg, node), errors.ECODE_STATE)
def _CheckNodeNotDrained(lu, node):
"""
if lu.cfg.GetNodeInfo(node).drained:
raise errors.OpPrereqError("Can't use drained node %s" % node,
- errors.ECODE_INVAL)
+ errors.ECODE_STATE)
+
+
+def _CheckNodeVmCapable(lu, node):
+ """Ensure that a given node is vm capable.
+
+ @param lu: the LU on behalf of which we make the check
+ @param node: the node to check
+ @raise errors.OpPrereqError: if the node is not vm capable
+
+ """
+ if not lu.cfg.GetNodeInfo(node).vm_capable:
+ raise errors.OpPrereqError("Can't use non-vm_capable node %s" % node,
+ errors.ECODE_STATE)
def _CheckNodeHasOS(lu, node, os_name, force_variant):
_CheckOSVariant(result.payload, os_name)
+def _CheckNodeHasSecondaryIP(lu, node, secondary_ip, prereq):
+ """Ensure that a node has the given secondary ip.
+
+ @type lu: L{LogicalUnit}
+ @param lu: the LU on behalf of which we make the check
+ @type node: string
+ @param node: the node to check
+ @type secondary_ip: string
+ @param secondary_ip: the ip to check
+ @type prereq: boolean
+ @param prereq: whether to throw a prerequisite or an execute error
+ @raise errors.OpPrereqError: if the node doesn't have the ip, and prereq=True
+ @raise errors.OpExecError: if the node doesn't have the ip, and prereq=False
+
+ """
+ result = lu.rpc.call_node_has_ip_address(node, secondary_ip)
+ result.Raise("Failure checking secondary ip on node %s" % node,
+ prereq=prereq, ecode=errors.ECODE_ENVIRON)
+ if not result.payload:
+ msg = ("Node claims it doesn't have the secondary ip you gave (%s),"
+ " please fix and re-run this command" % secondary_ip)
+ if prereq:
+ raise errors.OpPrereqError(msg, errors.ECODE_ENVIRON)
+ else:
+ raise errors.OpExecError(msg)
+
+
def _RequireFileStorage():
"""Checks that file storage is enabled.
_ErrorIf(test, self.EINSTANCEWRONGNODE, instance,
"instance should not run on node %s", node)
- diskdata = [(nname, disk, idx)
+ diskdata = [(nname, success, status, idx)
for (nname, disks) in diskstatus.items()
- for idx, disk in enumerate(disks)]
+ for idx, (success, status) in enumerate(disks)]
- for nname, bdev_status, idx in diskdata:
- _ErrorIf(not bdev_status,
+ for nname, success, bdev_status, idx in diskdata:
+ _ErrorIf(instanceconfig.admin_up and not success,
self.EINSTANCEFAULTYDISK, instance,
- "couldn't retrieve status for disk/%s on %s", idx, nname)
- _ErrorIf(bdev_status and bdev_status.ldisk_status == constants.LDS_FAULTY,
+ "couldn't retrieve status for disk/%s on %s: %s",
+ idx, nname, bdev_status)
+ _ErrorIf((instanceconfig.admin_up and success and
+ bdev_status.ldisk_status == constants.LDS_FAULTY),
self.EINSTANCEFAULTYDISK, instance,
"disk/%s on %s is faulty", idx, nname)
@param node_image: Node objects
@type instanceinfo: dict of (name, L{objects.Instance})
@param instanceinfo: Instance objects
+ @rtype: {instance: {node: [(succes, payload)]}}
+ @return: a dictionary of per-instance dictionaries with nodes as
+ keys and disk information as values; the disk information is a
+ list of tuples (success, payload)
"""
_ErrorIf = self._ErrorIf # pylint: disable-msg=C0103
node_disks = {}
node_disks_devonly = {}
+ diskless_instances = set()
+ diskless = constants.DT_DISKLESS
for nname in nodelist:
+ node_instances = list(itertools.chain(node_image[nname].pinst,
+ node_image[nname].sinst))
+ diskless_instances.update(inst for inst in node_instances
+ if instanceinfo[inst].disk_template == diskless)
disks = [(inst, disk)
- for instlist in [node_image[nname].pinst,
- node_image[nname].sinst]
- for inst in instlist
+ for inst in node_instances
for disk in instanceinfo[inst].disks]
if not disks:
instdisk = {}
for (nname, nres) in result.items():
- if nres.offline:
- # Ignore offline node
- continue
-
disks = node_disks[nname]
- msg = nres.fail_msg
- _ErrorIf(msg, self.ENODERPC, nname,
- "while getting disk information: %s", nres.fail_msg)
- if msg:
+ if nres.offline:
# No data from this node
- data = len(disks) * [None]
+ data = len(disks) * [(False, "node offline")]
else:
- data = nres.payload
+ msg = nres.fail_msg
+ _ErrorIf(msg, self.ENODERPC, nname,
+ "while getting disk information: %s", msg)
+ if msg:
+ # No data from this node
+ data = len(disks) * [(False, msg)]
+ else:
+ data = []
+ for idx, i in enumerate(nres.payload):
+ if isinstance(i, (tuple, list)) and len(i) == 2:
+ data.append(i)
+ else:
+ logging.warning("Invalid result from node %s, entry %d: %s",
+ nname, idx, i)
+ data.append((False, "Invalid result from the remote node"))
for ((inst, _), status) in zip(disks, data):
instdisk.setdefault(inst, {}).setdefault(nname, []).append(status)
+ # Add empty entries for diskless instances.
+ for inst in diskless_instances:
+ assert inst not in instdisk
+ instdisk[inst] = {}
+
assert compat.all(len(statuses) == len(instanceinfo[inst].disks) and
- len(nnames) <= len(instanceinfo[inst].all_nodes)
+ len(nnames) <= len(instanceinfo[inst].all_nodes) and
+ compat.all(isinstance(s, (tuple, list)) and
+ len(s) == 2 for s in statuses)
for inst, nnames in instdisk.items()
for nname, statuses in nnames.items())
+ assert set(instdisk) == set(instanceinfo), "instdisk consistency failure"
return instdisk
ht.TNone)),
("hvparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict),
ht.TNone)),
- ("beparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict),
- ht.TNone)),
+ ("beparams", None, ht.TOr(ht.TDict, ht.TNone)),
("os_hvp", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict),
ht.TNone)),
("osparams", None, ht.TOr(ht.TDictOf(ht.TNonEmptyString, ht.TDict),
for key, val in mods:
if key == constants.DDM_ADD:
if val in lst:
- feedback_fn("OS %s already in %s, ignoring", val, desc)
+ feedback_fn("OS %s already in %s, ignoring" % (val, desc))
else:
lst.append(val)
elif key == constants.DDM_REMOVE:
if val in lst:
lst.remove(val)
else:
- feedback_fn("OS %s not found in %s, ignoring", val, desc)
+ feedback_fn("OS %s not found in %s, ignoring" % (val, desc))
else:
raise errors.ProgrammerError("Invalid modification '%s'" % key)
newbie_singlehomed = secondary_ip == primary_ip
if master_singlehomed != newbie_singlehomed:
if master_singlehomed:
- raise errors.OpPrereqError("The master has no private ip but the"
+ raise errors.OpPrereqError("The master has no secondary ip but the"
" new node has one",
errors.ECODE_INVAL)
else:
- raise errors.OpPrereqError("The master has a private ip but the"
+ raise errors.OpPrereqError("The master has a secondary ip but the"
" new node doesn't have one",
errors.ECODE_INVAL)
if not netutils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT,
source=myself.secondary_ip):
raise errors.OpPrereqError("Node secondary ip not reachable by TCP"
- " based ping to noded port",
+ " based ping to node daemon port",
errors.ECODE_ENVIRON)
if self.op.readd:
result.Raise("Can't update hosts file with new host data")
if new_node.secondary_ip != new_node.primary_ip:
- result = self.rpc.call_node_has_ip_address(new_node.name,
- new_node.secondary_ip)
- result.Raise("Failure checking secondary ip on node %s" % new_node.name,
- prereq=True, ecode=errors.ECODE_ENVIRON)
- if not result.payload:
- raise errors.OpExecError("Node claims it doesn't have the secondary ip"
- " you gave (%s). Please fix and re-run this"
- " command." % new_node.secondary_ip)
+ _CheckNodeHasSecondaryIP(self, new_node.name, new_node.secondary_ip,
+ False)
node_verify_list = [self.cfg.GetMasterNode()]
node_verify_param = {
("auto_promote", False, ht.TBool),
("master_capable", None, ht.TMaybeBool),
("vm_capable", None, ht.TMaybeBool),
+ ("secondary_ip", None, ht.TMaybeString),
_PForce,
]
REQ_BGL = False
def CheckArguments(self):
self.op.node_name = _ExpandNodeName(self.cfg, self.op.node_name)
all_mods = [self.op.offline, self.op.master_candidate, self.op.drained,
- self.op.master_capable, self.op.vm_capable]
+ self.op.master_capable, self.op.vm_capable,
+ self.op.secondary_ip]
if all_mods.count(None) == len(all_mods):
raise errors.OpPrereqError("Please pass at least one modification",
errors.ECODE_INVAL)
self.op.drained == True or
self.op.master_capable == False)
+ if self.op.secondary_ip:
+ if not netutils.IP4Address.IsValid(self.op.secondary_ip):
+ raise errors.OpPrereqError("Secondary IP (%s) needs to be a valid IPv4"
+ " address" % self.op.secondary_ip,
+ errors.ECODE_INVAL)
+
self.lock_all = self.op.auto_promote and self.might_demote
+ self.lock_instances = self.op.secondary_ip is not None
def ExpandNames(self):
if self.lock_all:
else:
self.needed_locks = {locking.LEVEL_NODE: self.op.node_name}
+ if self.lock_instances:
+ self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
+
+ def DeclareLocks(self, level):
+ # If we have locked all instances, before waiting to lock nodes, release
+ # all the ones living on nodes unrelated to the current operation.
+ if level == locking.LEVEL_NODE and self.lock_instances:
+ instances_release = []
+ instances_keep = []
+ self.affected_instances = []
+ if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET:
+ for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]:
+ instance = self.context.cfg.GetInstanceInfo(instance_name)
+ i_mirrored = instance.disk_template in constants.DTS_NET_MIRROR
+ if i_mirrored and self.op.node_name in instance.all_nodes:
+ instances_keep.append(instance_name)
+ self.affected_instances.append(instance)
+ else:
+ instances_release.append(instance_name)
+ if instances_release:
+ self.context.glm.release(locking.LEVEL_INSTANCE, instances_release)
+ self.acquired_locks[locking.LEVEL_INSTANCE] = instances_keep
+
def BuildHooksEnv(self):
"""Build hooks env.
self.old_flags = old_flags = (node.master_candidate,
node.drained, node.offline)
assert old_flags in self._F2R, "Un-handled old flags %s" % str(old_flags)
- self.old_role = self._F2R[old_flags]
+ self.old_role = old_role = self._F2R[old_flags]
# Check for ineffective changes
for attr in self._FLAGS:
self.LogInfo("Demoting from master candidate")
self.op.master_candidate = False
- def Exec(self, feedback_fn):
- """Modifies a node.
-
- """
- node = self.node
- old_role = self.old_role
-
+ # Compute new role
assert [getattr(self.op, attr) for attr in self._FLAGS].count(True) <= 1
-
- # compute new flags
if self.op.master_candidate:
new_role = self._ROLE_CANDIDATE
elif self.op.drained:
else: # no new flags, nothing, keep old role
new_role = old_role
+ self.new_role = new_role
+
+ if old_role == self._ROLE_OFFLINE and new_role != old_role:
+ # Trying to transition out of offline status
+ result = self.rpc.call_version([node.name])[node.name]
+ if result.fail_msg:
+ raise errors.OpPrereqError("Node %s is being de-offlined but fails"
+ " to report its version: %s" %
+ (node.name, result.fail_msg),
+ errors.ECODE_STATE)
+ else:
+ self.LogWarning("Transitioning node from offline to online state"
+ " without using re-add. Please make sure the node"
+ " is healthy!")
+
+ if self.op.secondary_ip:
+ # Ok even without locking, because this can't be changed by any LU
+ master = self.cfg.GetNodeInfo(self.cfg.GetMasterNode())
+ master_singlehomed = master.secondary_ip == master.primary_ip
+ if master_singlehomed and self.op.secondary_ip:
+ raise errors.OpPrereqError("Cannot change the secondary ip on a single"
+ " homed cluster", errors.ECODE_INVAL)
+
+ if node.offline:
+ if self.affected_instances:
+ raise errors.OpPrereqError("Cannot change secondary ip: offline"
+ " node has instances (%s) configured"
+ " to use it" % self.affected_instances)
+ else:
+ # On online nodes, check that no instances are running, and that
+ # the node has the new ip and we can reach it.
+ for instance in self.affected_instances:
+ _CheckInstanceDown(self, instance, "cannot change secondary ip")
+
+ _CheckNodeHasSecondaryIP(self, node.name, self.op.secondary_ip, True)
+ if master.name != node.name:
+ # check reachability from master secondary ip to new secondary ip
+ if not netutils.TcpPing(self.op.secondary_ip,
+ constants.DEFAULT_NODED_PORT,
+ source=master.secondary_ip):
+ raise errors.OpPrereqError("Node secondary ip not reachable by TCP"
+ " based ping to node daemon port",
+ errors.ECODE_ENVIRON)
+
+ def Exec(self, feedback_fn):
+ """Modifies a node.
+
+ """
+ node = self.node
+ old_role = self.old_role
+ new_role = self.new_role
+
result = []
for attr in ["master_capable", "vm_capable"]:
if self.lock_all:
_AdjustCandidatePool(self, [node.name])
+ if self.op.secondary_ip:
+ node.secondary_ip = self.op.secondary_ip
+ result.append(("secondary_ip", self.op.secondary_ip))
+
# this will trigger configuration file update, if needed
self.cfg.Update(node, feedback_fn)
instance = self.cfg.GetInstanceInfo(self.op.instance_name)
assert instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
- _CheckNodeOnline(self, instance.primary_node)
+ _CheckNodeOnline(self, instance.primary_node, "Instance primary node"
+ " offline, cannot reinstall")
+ for node in instance.secondary_nodes:
+ _CheckNodeOnline(self, node, "Instance secondary node offline,"
+ " cannot reinstall")
if instance.disk_template == constants.DT_DISKLESS:
raise errors.OpPrereqError("Instance '%s' has no disks" %
_CheckNodeOnline(self, target_node)
_CheckNodeNotDrained(self, target_node)
+ _CheckNodeVmCapable(self, target_node)
if instance.admin_up:
# check memory requirements on the secondary node
("source_handshake", None, ht.TOr(ht.TList, ht.TNone)),
("source_x509_ca", None, ht.TMaybeString),
("source_instance_name", None, ht.TMaybeString),
+ ("source_shutdown_timeout", constants.DEFAULT_SHUTDOWN_TIMEOUT,
+ ht.TPositiveInt),
("src_node", None, ht.TMaybeString),
("src_path", None, ht.TMaybeString),
("pnode", None, ht.TMaybeString),
if pnode.drained:
raise errors.OpPrereqError("Cannot use drained primary node '%s'" %
pnode.name, errors.ECODE_STATE)
+ if not pnode.vm_capable:
+ raise errors.OpPrereqError("Cannot use non-vm_capable primary node"
+ " '%s'" % pnode.name, errors.ECODE_STATE)
self.secondaries = []
" primary node.", errors.ECODE_INVAL)
_CheckNodeOnline(self, self.op.snode)
_CheckNodeNotDrained(self, self.op.snode)
+ _CheckNodeVmCapable(self, self.op.snode)
self.secondaries.append(self.op.snode)
nodenames = [pnode.name] + self.secondaries
elif self.op.mode == constants.INSTANCE_REMOTE_IMPORT:
feedback_fn("* preparing remote import...")
- connect_timeout = constants.RIE_CONNECT_TIMEOUT
+ # The source cluster will stop the instance before attempting to make a
+ # connection. In some cases stopping an instance can take a long time,
+ # hence the shutdown timeout is added to the connection timeout.
+ connect_timeout = (constants.RIE_CONNECT_TIMEOUT +
+ self.op.source_shutdown_timeout)
timeouts = masterd.instance.ImportExportTimeouts(connect_timeout)
disk_results = masterd.instance.RemoteImport(self, feedback_fn, iobj,
check_nodes = [self.new_node, self.other_node]
_CheckNodeNotDrained(self.lu, remote_node)
+ _CheckNodeVmCapable(self.lu, remote_node)
old_node_info = self.cfg.GetNodeInfo(secondary_node)
assert old_node_info is not None
self.x509_key_name = self.op.x509_key_name
self.dest_x509_ca_pem = self.op.destination_x509_ca
- if self.op.remove_instance and not self.op.shutdown:
- raise errors.OpPrereqError("Can not remove instance without shutting it"
- " down before")
-
if self.op.mode == constants.EXPORT_MODE_REMOTE:
if not self.x509_key_name:
raise errors.OpPrereqError("Missing X509 key name for encryption",
"Cannot retrieve locked instance %s" % self.op.instance_name
_CheckNodeOnline(self, self.instance.primary_node)
+ if (self.op.remove_instance and self.instance.admin_up and
+ not self.op.shutdown):
+ raise errors.OpPrereqError("Can not remove instance without shutting it"
+ " down before")
+
if self.op.mode == constants.EXPORT_MODE_LOCAL:
self.op.target_node = _ExpandNodeName(self.cfg, self.op.target_node)
self.dst_node = self.cfg.GetNodeInfo(self.op.target_node)
projects / ganeti-local / blobdiff