#
#
-# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
+# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
return cfg.GetNdParams(node)[constants.ND_OOB_PROGRAM]
+def _IsExclusiveStorageEnabledNode(cfg, node):
+ """Whether exclusive_storage is in effect for the given node.
+
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: The cluster configuration
+ @type node: L{objects.Node}
+ @param node: The node
+ @rtype: bool
+ @return: The effective value of exclusive_storage
+
+ """
+ return cfg.GetNdParams(node)[constants.ND_EXCLUSIVE_STORAGE]
+
+
+def _IsExclusiveStorageEnabledNodeName(cfg, nodename):
+ """Whether exclusive_storage is in effect for the given node.
+
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: The cluster configuration
+ @type nodename: string
+ @param nodename: The node
+ @rtype: bool
+ @return: The effective value of exclusive_storage
+ @raise errors.OpPrereqError: if no node exists with the given name
+
+ """
+ ni = cfg.GetNodeInfo(nodename)
+ if ni is None:
+ raise errors.OpPrereqError("Invalid node name %s" % nodename,
+ errors.ECODE_NOENT)
+ return _IsExclusiveStorageEnabledNode(cfg, ni)
+
+
def _CopyLockList(names):
"""Makes a copy of a list of lock names.
return params_copy
+def _UpdateMinMaxISpecs(ipolicy, new_minmax, group_policy):
+ use_none = use_default = group_policy
+ minmax = ipolicy.setdefault(constants.ISPECS_MINMAX, {})
+ for (key, value) in new_minmax.items():
+ if key not in constants.ISPECS_MINMAX_KEYS:
+ raise errors.OpPrereqError("Invalid key in new ipolicy/%s: %s" %
+ (constants.ISPECS_MINMAX, key),
+ errors.ECODE_INVAL)
+ old_spec = minmax.get(key, {})
+ minmax[key] = _GetUpdatedParams(old_spec, value, use_none=use_none,
+ use_default=use_default)
+ utils.ForceDictType(minmax[key], constants.ISPECS_PARAMETER_TYPES)
+
+
def _GetUpdatedIPolicy(old_ipolicy, new_ipolicy, group_policy=False):
- """Return the new version of a instance policy.
+ """Return the new version of an instance policy.
@param group_policy: whether this policy applies to a group and thus
we should support removal of policy entries
if key not in constants.IPOLICY_ALL_KEYS:
raise errors.OpPrereqError("Invalid key in new ipolicy: %s" % key,
errors.ECODE_INVAL)
- if key in constants.IPOLICY_ISPECS:
- utils.ForceDictType(value, constants.ISPECS_PARAMETER_TYPES)
+ if key == constants.ISPECS_MINMAX:
+ _UpdateMinMaxISpecs(ipolicy, value, group_policy)
+ elif key == constants.ISPECS_STD:
ipolicy[key] = _GetUpdatedParams(old_ipolicy.get(key, {}), value,
use_none=use_none,
use_default=use_default)
+ utils.ForceDictType(ipolicy[key], constants.ISPECS_PARAMETER_TYPES)
else:
if (not value or value == [constants.VALUE_DEFAULT] or
value == constants.VALUE_DEFAULT):
% ",".join(delta), errors.ECODE_INVAL)
-def _CheckGlobalHvParams(params):
- """Validates that given hypervisor params are not global ones.
+def _CheckParamsNotGlobal(params, glob_pars, kind, bad_levels, good_levels):
+ """Make sure that none of the given paramters is global.
+
+ If a global parameter is found, an L{errors.OpPrereqError} exception is
+ raised. This is used to avoid setting global parameters for individual nodes.
- This will ensure that instances don't get customised versions of
- global params.
+ @type params: dictionary
+ @param params: Parameters to check
+ @type glob_pars: dictionary
+ @param glob_pars: Forbidden parameters
+ @type kind: string
+ @param kind: Kind of parameters (e.g. "node")
+ @type bad_levels: string
+ @param bad_levels: Level(s) at which the parameters are forbidden (e.g.
+ "instance")
+ @type good_levels: strings
+ @param good_levels: Level(s) at which the parameters are allowed (e.g.
+ "cluster or group")
"""
- used_globals = constants.HVC_GLOBALS.intersection(params)
+ used_globals = glob_pars.intersection(params)
if used_globals:
- msg = ("The following hypervisor parameters are global and cannot"
- " be customized at instance level, please modify them at"
- " cluster level: %s" % utils.CommaJoin(used_globals))
+ msg = ("The following %s parameters are global and cannot"
+ " be customized at %s level, please modify them at"
+ " %s level: %s" %
+ (kind, bad_levels, good_levels, utils.CommaJoin(used_globals)))
raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
raise errors.OpExecError(msg)
+def _CheckNodePVs(nresult, exclusive_storage):
+ """Check node PVs.
+
+ """
+ pvlist_dict = nresult.get(constants.NV_PVLIST, None)
+ if pvlist_dict is None:
+ return (["Can't get PV list from node"], None)
+ pvlist = map(objects.LvmPvInfo.FromDict, pvlist_dict)
+ errlist = []
+ # check that ':' is not present in PV names, since it's a
+ # special character for lvcreate (denotes the range of PEs to
+ # use on the PV)
+ for pv in pvlist:
+ if ":" in pv.name:
+ errlist.append("Invalid character ':' in PV '%s' of VG '%s'" %
+ (pv.name, pv.vg_name))
+ es_pvinfo = None
+ if exclusive_storage:
+ (errmsgs, es_pvinfo) = utils.LvmExclusiveCheckNodePvs(pvlist)
+ errlist.extend(errmsgs)
+ shared_pvs = nresult.get(constants.NV_EXCLUSIVEPVS, None)
+ if shared_pvs:
+ for (pvname, lvlist) in shared_pvs:
+ # TODO: Check that LVs are really unrelated (snapshots, DRBD meta...)
+ errlist.append("PV %s is shared among unrelated LVs (%s)" %
+ (pvname, utils.CommaJoin(lvlist)))
+ return (errlist, es_pvinfo)
+
+
def _GetClusterDomainSecret():
"""Reads the cluster domain secret.
" is down")
-def _ComputeMinMaxSpec(name, qualifier, ipolicy, value):
+def _ComputeMinMaxSpec(name, qualifier, ispecs, value):
"""Computes if value is in the desired range.
@param name: name of the parameter for which we perform the check
@param qualifier: a qualifier used in the error message (e.g. 'disk/1',
not just 'disk')
- @param ipolicy: dictionary containing min, max and std values
+ @param ispecs: dictionary containing min and max values
@param value: actual value that we want to use
- @return: None or element not meeting the criteria
-
+ @return: None or an error string
"""
if value in [None, constants.VALUE_AUTO]:
return None
- max_v = ipolicy[constants.ISPECS_MAX].get(name, value)
- min_v = ipolicy[constants.ISPECS_MIN].get(name, value)
+ max_v = ispecs[constants.ISPECS_MAX].get(name, value)
+ min_v = ispecs[constants.ISPECS_MIN].get(name, value)
if value > max_v or min_v > value:
if qualifier:
fqn = "%s/%s" % (name, qualifier)
def _ComputeIPolicySpecViolation(ipolicy, mem_size, cpu_count, disk_count,
nic_count, disk_sizes, spindle_use,
+ disk_template,
_compute_fn=_ComputeMinMaxSpec):
"""Verifies ipolicy against provided specs.
@param disk_sizes: Disk sizes of used disk (len must match C{disk_count})
@type spindle_use: int
@param spindle_use: The number of spindles this instance uses
+ @type disk_template: string
+ @param disk_template: The disk template of the instance
@param _compute_fn: The compute function (unittest only)
@return: A list of violations, or an empty list of no violations are found
test_settings = [
(constants.ISPEC_MEM_SIZE, "", mem_size),
(constants.ISPEC_CPU_COUNT, "", cpu_count),
- (constants.ISPEC_DISK_COUNT, "", disk_count),
(constants.ISPEC_NIC_COUNT, "", nic_count),
(constants.ISPEC_SPINDLE_USE, "", spindle_use),
] + [(constants.ISPEC_DISK_SIZE, str(idx), d)
for idx, d in enumerate(disk_sizes)]
-
- return filter(None,
- (_compute_fn(name, qualifier, ipolicy, value)
- for (name, qualifier, value) in test_settings))
-
-
-def _ComputeIPolicyInstanceViolation(ipolicy, instance,
+ if disk_template != constants.DT_DISKLESS:
+ # This check doesn't make sense for diskless instances
+ test_settings.append((constants.ISPEC_DISK_COUNT, "", disk_count))
+ ret = []
+ allowed_dts = ipolicy[constants.IPOLICY_DTS]
+ if disk_template not in allowed_dts:
+ ret.append("Disk template %s is not allowed (allowed templates: %s)" %
+ (disk_template, utils.CommaJoin(allowed_dts)))
+
+ minmax = ipolicy[constants.ISPECS_MINMAX]
+ return ret + filter(None,
+ (_compute_fn(name, qualifier, minmax, value)
+ for (name, qualifier, value) in test_settings))
+
+
+def _ComputeIPolicyInstanceViolation(ipolicy, instance, cfg,
_compute_fn=_ComputeIPolicySpecViolation):
"""Compute if instance meets the specs of ipolicy.
@param ipolicy: The ipolicy to verify against
@type instance: L{objects.Instance}
@param instance: The instance to verify
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
@param _compute_fn: The function to verify ipolicy (unittest only)
@see: L{_ComputeIPolicySpecViolation}
"""
- mem_size = instance.beparams.get(constants.BE_MAXMEM, None)
- cpu_count = instance.beparams.get(constants.BE_VCPUS, None)
- spindle_use = instance.beparams.get(constants.BE_SPINDLE_USE, None)
+ be_full = cfg.GetClusterInfo().FillBE(instance)
+ mem_size = be_full[constants.BE_MAXMEM]
+ cpu_count = be_full[constants.BE_VCPUS]
+ spindle_use = be_full[constants.BE_SPINDLE_USE]
disk_count = len(instance.disks)
disk_sizes = [disk.size for disk in instance.disks]
nic_count = len(instance.nics)
+ disk_template = instance.disk_template
return _compute_fn(ipolicy, mem_size, cpu_count, disk_count, nic_count,
- disk_sizes, spindle_use)
+ disk_sizes, spindle_use, disk_template)
def _ComputeIPolicyInstanceSpecViolation(
- ipolicy, instance_spec, _compute_fn=_ComputeIPolicySpecViolation):
+ ipolicy, instance_spec, disk_template,
+ _compute_fn=_ComputeIPolicySpecViolation):
"""Compute if instance specs meets the specs of ipolicy.
@type ipolicy: dict
@param ipolicy: The ipolicy to verify against
@param instance_spec: dict
@param instance_spec: The instance spec to verify
+ @type disk_template: string
+ @param disk_template: the disk template of the instance
@param _compute_fn: The function to verify ipolicy (unittest only)
@see: L{_ComputeIPolicySpecViolation}
spindle_use = instance_spec.get(constants.ISPEC_SPINDLE_USE, None)
return _compute_fn(ipolicy, mem_size, cpu_count, disk_count, nic_count,
- disk_sizes, spindle_use)
+ disk_sizes, spindle_use, disk_template)
def _ComputeIPolicyNodeViolation(ipolicy, instance, current_group,
- target_group,
+ target_group, cfg,
_compute_fn=_ComputeIPolicyInstanceViolation):
"""Compute if instance meets the specs of the new target group.
@param instance: The instance object to verify
@param current_group: The current group of the instance
@param target_group: The new group of the instance
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
@param _compute_fn: The function to verify ipolicy (unittest only)
@see: L{_ComputeIPolicySpecViolation}
if current_group == target_group:
return []
else:
- return _compute_fn(ipolicy, instance)
+ return _compute_fn(ipolicy, instance, cfg)
-def _CheckTargetNodeIPolicy(lu, ipolicy, instance, node, ignore=False,
+def _CheckTargetNodeIPolicy(lu, ipolicy, instance, node, cfg, ignore=False,
_compute_fn=_ComputeIPolicyNodeViolation):
"""Checks that the target node is correct in terms of instance policy.
@param ipolicy: The ipolicy to verify
@param instance: The instance object to verify
@param node: The new node to relocate
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
@param ignore: Ignore violations of the ipolicy
@param _compute_fn: The function to verify ipolicy (unittest only)
@see: L{_ComputeIPolicySpecViolation}
"""
primary_node = lu.cfg.GetNodeInfo(instance.primary_node)
- res = _compute_fn(ipolicy, instance, primary_node.group, node.group)
+ res = _compute_fn(ipolicy, instance, primary_node.group, node.group, cfg)
if res:
msg = ("Instance does not meet target node group's (%s) instance"
raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
-def _ComputeNewInstanceViolations(old_ipolicy, new_ipolicy, instances):
+def _ComputeNewInstanceViolations(old_ipolicy, new_ipolicy, instances, cfg):
"""Computes a set of any instances that would violate the new ipolicy.
@param old_ipolicy: The current (still in-place) ipolicy
@param new_ipolicy: The new (to become) ipolicy
@param instances: List of instances to verify
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
@return: A list of instances which violates the new ipolicy but
did not before
"""
- return (_ComputeViolatingInstances(new_ipolicy, instances) -
- _ComputeViolatingInstances(old_ipolicy, instances))
+ return (_ComputeViolatingInstances(new_ipolicy, instances, cfg) -
+ _ComputeViolatingInstances(old_ipolicy, instances, cfg))
def _ExpandItemName(fn, name, kind):
def _BuildNetworkHookEnv(name, subnet, gateway, network6, gateway6,
- network_type, mac_prefix, tags):
+ mac_prefix, tags):
"""Builds network related env variables for hooks
This builds the hook environment from individual variables.
@param network6: the ipv6 subnet
@type gateway6: string
@param gateway6: the ipv6 gateway
- @type network_type: string
- @param network_type: the type of the network
@type mac_prefix: string
@param mac_prefix: the mac_prefix
@type tags: list
env["NETWORK_GATEWAY6"] = gateway6
if mac_prefix:
env["NETWORK_MAC_PREFIX"] = mac_prefix
- if network_type:
- env["NETWORK_TYPE"] = network_type
if tags:
env["NETWORK_TAGS"] = " ".join(tags)
@type vcpus: string
@param vcpus: the count of VCPUs the instance has
@type nics: list
- @param nics: list of tuples (ip, mac, mode, link, network) representing
- the NICs the instance has
+ @param nics: list of tuples (name, uuid, ip, mac, mode, link, net, netinfo)
+ representing the NICs the instance has
@type disk_template: string
@param disk_template: the disk template of the instance
@type disks: list
- @param disks: the list of (size, mode) pairs
+ @param disks: list of tuples (name, uuid, size, mode)
@type bep: dict
@param bep: the backend parameters for the instance
@type hvp: dict
"INSTANCE_STATUS": status,
"INSTANCE_MINMEM": minmem,
"INSTANCE_MAXMEM": maxmem,
- # TODO(2.7) remove deprecated "memory" value
+ # TODO(2.9) remove deprecated "memory" value
"INSTANCE_MEMORY": maxmem,
"INSTANCE_VCPUS": vcpus,
"INSTANCE_DISK_TEMPLATE": disk_template,
}
if nics:
nic_count = len(nics)
- for idx, (ip, mac, mode, link, net, netinfo) in enumerate(nics):
+ for idx, (name, _, ip, mac, mode, link, net, netinfo) in enumerate(nics):
if ip is None:
ip = ""
+ env["INSTANCE_NIC%d_NAME" % idx] = name
env["INSTANCE_NIC%d_IP" % idx] = ip
env["INSTANCE_NIC%d_MAC" % idx] = mac
env["INSTANCE_NIC%d_MODE" % idx] = mode
env["INSTANCE_NIC%d_LINK" % idx] = link
- if network:
- env["INSTANCE_NIC%d_NETWORK" % idx] = net
- if netinfo:
- nobj = objects.Network.FromDict(netinfo)
- if nobj.network:
- env["INSTANCE_NIC%d_NETWORK_SUBNET" % idx] = nobj.network
- if nobj.gateway:
- env["INSTANCE_NIC%d_NETWORK_GATEWAY" % idx] = nobj.gateway
- if nobj.network6:
- env["INSTANCE_NIC%d_NETWORK_SUBNET6" % idx] = nobj.network6
- if nobj.gateway6:
- env["INSTANCE_NIC%d_NETWORK_GATEWAY6" % idx] = nobj.gateway6
- if nobj.mac_prefix:
- env["INSTANCE_NIC%d_NETWORK_MAC_PREFIX" % idx] = nobj.mac_prefix
- if nobj.network_type:
- env["INSTANCE_NIC%d_NETWORK_TYPE" % idx] = nobj.network_type
- if nobj.tags:
- env["INSTANCE_NIC%d_NETWORK_TAGS" % idx] = " ".join(nobj.tags)
+ if netinfo:
+ nobj = objects.Network.FromDict(netinfo)
+ env.update(nobj.HooksDict("INSTANCE_NIC%d_" % idx))
+ elif network:
+ # FIXME: broken network reference: the instance NIC specifies a
+ # network, but the relevant network entry was not in the config. This
+ # should be made impossible.
+ env["INSTANCE_NIC%d_NETWORK_NAME" % idx] = net
if mode == constants.NIC_MODE_BRIDGED:
env["INSTANCE_NIC%d_BRIDGE" % idx] = link
else:
if disks:
disk_count = len(disks)
- for idx, (size, mode) in enumerate(disks):
+ for idx, (name, size, mode) in enumerate(disks):
+ env["INSTANCE_DISK%d_NAME" % idx] = name
env["INSTANCE_DISK%d_SIZE" % idx] = size
env["INSTANCE_DISK%d_MODE" % idx] = mode
else:
@param nic: nic to convert to hooks tuple
"""
- ip = nic.ip
- mac = nic.mac
cluster = lu.cfg.GetClusterInfo()
filled_params = cluster.SimpleFillNIC(nic.nicparams)
mode = filled_params[constants.NIC_MODE]
link = filled_params[constants.NIC_LINK]
- net = nic.network
netinfo = None
- if net:
- net_uuid = lu.cfg.LookupNetwork(net)
- if net_uuid:
- nobj = lu.cfg.GetNetwork(net_uuid)
- netinfo = objects.Network.ToDict(nobj)
- return (ip, mac, mode, link, net, netinfo)
+ if nic.network:
+ nobj = lu.cfg.GetNetwork(nic.network)
+ netinfo = objects.Network.ToDict(nobj)
+ return (nic.name, nic.uuid, nic.ip, nic.mac, mode, link, nic.network, netinfo)
def _NICListToTuple(lu, nics):
"vcpus": bep[constants.BE_VCPUS],
"nics": _NICListToTuple(lu, instance.nics),
"disk_template": instance.disk_template,
- "disks": [(disk.size, disk.mode) for disk in instance.disks],
+ "disks": [(disk.name, disk.size, disk.mode)
+ for disk in instance.disks],
"bep": bep,
"hvp": hvp,
"hypervisor_name": instance.hypervisor,
return mc_now < mc_should
-def _ComputeViolatingInstances(ipolicy, instances):
+def _ComputeViolatingInstances(ipolicy, instances, cfg):
"""Computes a set of instances who violates given ipolicy.
@param ipolicy: The ipolicy to verify
- @type instances: object.Instance
+ @type instances: L{objects.Instance}
@param instances: List of instances to verify
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
@return: A frozenset of instance names violating the ipolicy
"""
return frozenset([inst.name for inst in instances
- if _ComputeIPolicyInstanceViolation(ipolicy, inst)])
+ if _ComputeIPolicyInstanceViolation(ipolicy, inst, cfg)])
def _CheckNicsBridgesExist(lu, target_nics, target_node):
"""
ltype = kwargs.get(self.ETYPE_FIELD, self.ETYPE_ERROR)
itype, etxt, _ = ecode
+ # If the error code is in the list of ignored errors, demote the error to a
+ # warning
+ if etxt in self.op.ignore_errors: # pylint: disable=E1101
+ ltype = self.ETYPE_WARNING
# first complete the msg
if args:
msg = msg % args
msg = "%s: %s%s: %s" % (ltype, itype, item, msg)
# and finally report it via the feedback_fn
self._feedback_fn(" - %s" % msg) # Mix-in. pylint: disable=E1101
+ # do not mark the operation as failed for WARN cases only
+ if ltype == self.ETYPE_ERROR:
+ self.bad = True
- def _ErrorIf(self, cond, ecode, *args, **kwargs):
+ def _ErrorIf(self, cond, *args, **kwargs):
"""Log an error message if the passed condition is True.
"""
- cond = (bool(cond)
- or self.op.debug_simulate_errors) # pylint: disable=E1101
-
- # If the error code is in the list of ignored errors, demote the error to a
- # warning
- (_, etxt, _) = ecode
- if etxt in self.op.ignore_errors: # pylint: disable=E1101
- kwargs[self.ETYPE_FIELD] = self.ETYPE_WARNING
-
- if cond:
- self._Error(ecode, *args, **kwargs)
-
- # do not mark the operation as failed for WARN cases only
- if kwargs.get(self.ETYPE_FIELD, self.ETYPE_ERROR) == self.ETYPE_ERROR:
- self.bad = self.bad or cond
+ if (bool(cond)
+ or self.op.debug_simulate_errors): # pylint: disable=E1101
+ self._Error(*args, **kwargs)
class LUClusterVerify(NoHooksLU):
msg = ("hypervisor %s parameters syntax check (source %s): %%s" %
(item, hv_name))
try:
- hv_class = hypervisor.GetHypervisor(hv_name)
+ hv_class = hypervisor.GetHypervisorClass(hv_name)
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
hv_class.CheckParameterSyntax(hv_params)
except errors.GenericError, err:
@ivar oslist: list of OSes as diagnosed by DiagnoseOS
@type vm_capable: boolean
@ivar vm_capable: whether the node can host instances
+ @type pv_min: float
+ @ivar pv_min: size in MiB of the smallest PVs
+ @type pv_max: float
+ @ivar pv_max: size in MiB of the biggest PVs
"""
def __init__(self, offline=False, name=None, vm_capable=True):
self.ghost = False
self.os_fail = False
self.oslist = {}
+ self.pv_min = None
+ self.pv_max = None
def ExpandNames(self):
# This raises errors.OpPrereqError on its own:
"Node time diverges by at least %s from master node time",
ntime_diff)
- def _VerifyNodeLVM(self, ninfo, nresult, vg_name):
- """Check the node LVM results.
+ def _UpdateVerifyNodeLVM(self, ninfo, nresult, vg_name, nimg):
+ """Check the node LVM results and update info for cross-node checks.
@type ninfo: L{objects.Node}
@param ninfo: the node to check
@param nresult: the remote results for the node
@param vg_name: the configured VG name
+ @type nimg: L{NodeImage}
+ @param nimg: node image
"""
if vg_name is None:
constants.MIN_VG_SIZE)
_ErrorIf(vgstatus, constants.CV_ENODELVM, node, vgstatus)
- # check pv names
- pvlist = nresult.get(constants.NV_PVLIST, None)
- test = pvlist is None
- _ErrorIf(test, constants.CV_ENODELVM, node, "Can't get PV list from node")
- if not test:
- # check that ':' is not present in PV names, since it's a
- # special character for lvcreate (denotes the range of PEs to
- # use on the PV)
- for _, pvname, owner_vg in pvlist:
- test = ":" in pvname
- _ErrorIf(test, constants.CV_ENODELVM, node,
- "Invalid character ':' in PV '%s' of VG '%s'",
- pvname, owner_vg)
+ # Check PVs
+ (errmsgs, pvminmax) = _CheckNodePVs(nresult, self._exclusive_storage)
+ for em in errmsgs:
+ self._Error(constants.CV_ENODELVM, node, em)
+ if pvminmax is not None:
+ (nimg.pv_min, nimg.pv_max) = pvminmax
+
+ def _VerifyGroupLVM(self, node_image, vg_name):
+ """Check cross-node consistency in LVM.
+
+ @type node_image: dict
+ @param node_image: info about nodes, mapping from node to names to
+ L{NodeImage} objects
+ @param vg_name: the configured VG name
+
+ """
+ if vg_name is None:
+ return
+
+ # Only exlcusive storage needs this kind of checks
+ if not self._exclusive_storage:
+ return
+
+ # exclusive_storage wants all PVs to have the same size (approximately),
+ # if the smallest and the biggest ones are okay, everything is fine.
+ # pv_min is None iff pv_max is None
+ vals = filter((lambda ni: ni.pv_min is not None), node_image.values())
+ if not vals:
+ return
+ (pvmin, minnode) = min((ni.pv_min, ni.name) for ni in vals)
+ (pvmax, maxnode) = max((ni.pv_max, ni.name) for ni in vals)
+ bad = utils.LvmExclusiveTestBadPvSizes(pvmin, pvmax)
+ self._ErrorIf(bad, constants.CV_EGROUPDIFFERENTPVSIZE, self.group_info.name,
+ "PV sizes differ too much in the group; smallest (%s MB) is"
+ " on %s, biggest (%s MB) is on %s",
+ pvmin, minnode, pvmax, maxnode)
def _VerifyNodeBridges(self, ninfo, nresult, bridges):
"""Check the node bridges.
msg = "cannot reach the master IP"
_ErrorIf(True, constants.CV_ENODENET, node, msg)
- def _VerifyInstance(self, instance, instanceconfig, node_image,
+ def _VerifyInstance(self, instance, inst_config, node_image,
diskstatus):
"""Verify an instance.
This function checks to see if the required block devices are
- available on the instance's node.
+ available on the instance's node, and that the nodes are in the correct
+ state.
"""
_ErrorIf = self._ErrorIf # pylint: disable=C0103
- node_current = instanceconfig.primary_node
+ pnode = inst_config.primary_node
+ pnode_img = node_image[pnode]
+ groupinfo = self.cfg.GetAllNodeGroupsInfo()
node_vol_should = {}
- instanceconfig.MapLVsByNode(node_vol_should)
+ inst_config.MapLVsByNode(node_vol_should)
cluster = self.cfg.GetClusterInfo()
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
self.group_info)
- err = _ComputeIPolicyInstanceViolation(ipolicy, instanceconfig)
+ err = _ComputeIPolicyInstanceViolation(ipolicy, inst_config, self.cfg)
_ErrorIf(err, constants.CV_EINSTANCEPOLICY, instance, utils.CommaJoin(err),
code=self.ETYPE_WARNING)
_ErrorIf(test, constants.CV_EINSTANCEMISSINGDISK, instance,
"volume %s missing on node %s", volume, node)
- if instanceconfig.admin_state == constants.ADMINST_UP:
- pri_img = node_image[node_current]
- test = instance not in pri_img.instances and not pri_img.offline
+ if inst_config.admin_state == constants.ADMINST_UP:
+ test = instance not in pnode_img.instances and not pnode_img.offline
_ErrorIf(test, constants.CV_EINSTANCEDOWN, instance,
"instance not running on its primary node %s",
- node_current)
+ pnode)
+ _ErrorIf(pnode_img.offline, constants.CV_EINSTANCEBADNODE, instance,
+ "instance is marked as running and lives on offline node %s",
+ pnode)
diskdata = [(nname, success, status, idx)
for (nname, disks) in diskstatus.items()
# node here
snode = node_image[nname]
bad_snode = snode.ghost or snode.offline
- _ErrorIf(instanceconfig.admin_state == constants.ADMINST_UP and
+ _ErrorIf(inst_config.admin_state == constants.ADMINST_UP and
not success and not bad_snode,
constants.CV_EINSTANCEFAULTYDISK, instance,
"couldn't retrieve status for disk/%s on %s: %s",
idx, nname, bdev_status)
- _ErrorIf((instanceconfig.admin_state == constants.ADMINST_UP and
+ _ErrorIf((inst_config.admin_state == constants.ADMINST_UP and
success and bdev_status.ldisk_status == constants.LDS_FAULTY),
constants.CV_EINSTANCEFAULTYDISK, instance,
"disk/%s on %s is faulty", idx, nname)
+ _ErrorIf(pnode_img.rpc_fail and not pnode_img.offline,
+ constants.CV_ENODERPC, pnode, "instance %s, connection to"
+ " primary node failed", instance)
+
+ _ErrorIf(len(inst_config.secondary_nodes) > 1,
+ constants.CV_EINSTANCELAYOUT,
+ instance, "instance has multiple secondary nodes: %s",
+ utils.CommaJoin(inst_config.secondary_nodes),
+ code=self.ETYPE_WARNING)
+
+ if inst_config.disk_template not in constants.DTS_EXCL_STORAGE:
+ # Disk template not compatible with exclusive_storage: no instance
+ # node should have the flag set
+ es_flags = rpc.GetExclusiveStorageForNodeNames(self.cfg,
+ inst_config.all_nodes)
+ es_nodes = [n for (n, es) in es_flags.items()
+ if es]
+ _ErrorIf(es_nodes, constants.CV_EINSTANCEUNSUITABLENODE, instance,
+ "instance has template %s, which is not supported on nodes"
+ " that have exclusive storage set: %s",
+ inst_config.disk_template, utils.CommaJoin(es_nodes))
+
+ if inst_config.disk_template in constants.DTS_INT_MIRROR:
+ instance_nodes = utils.NiceSort(inst_config.all_nodes)
+ instance_groups = {}
+
+ for node in instance_nodes:
+ instance_groups.setdefault(self.all_node_info[node].group,
+ []).append(node)
+
+ pretty_list = [
+ "%s (group %s)" % (utils.CommaJoin(nodes), groupinfo[group].name)
+ # Sort so that we always list the primary node first.
+ for group, nodes in sorted(instance_groups.items(),
+ key=lambda (_, nodes): pnode in nodes,
+ reverse=True)]
+
+ self._ErrorIf(len(instance_groups) > 1,
+ constants.CV_EINSTANCESPLITGROUPS,
+ instance, "instance has primary and secondary nodes in"
+ " different groups: %s", utils.CommaJoin(pretty_list),
+ code=self.ETYPE_WARNING)
+
+ inst_nodes_offline = []
+ for snode in inst_config.secondary_nodes:
+ s_img = node_image[snode]
+ _ErrorIf(s_img.rpc_fail and not s_img.offline, constants.CV_ENODERPC,
+ snode, "instance %s, connection to secondary node failed",
+ instance)
+
+ if s_img.offline:
+ inst_nodes_offline.append(snode)
+
+ # warn that the instance lives on offline nodes
+ _ErrorIf(inst_nodes_offline, constants.CV_EINSTANCEBADNODE, instance,
+ "instance has offline secondary node(s) %s",
+ utils.CommaJoin(inst_nodes_offline))
+ # ... or ghost/non-vm_capable nodes
+ for node in inst_config.all_nodes:
+ _ErrorIf(node_image[node].ghost, constants.CV_EINSTANCEBADNODE,
+ instance, "instance lives on ghost node %s", node)
+ _ErrorIf(not node_image[node].vm_capable, constants.CV_EINSTANCEBADNODE,
+ instance, "instance lives on non-vm_capable node %s", node)
+
def _VerifyOrphanVolumes(self, node_vol_should, node_image, reserved):
"""Verify if there are any unknown volumes in the cluster.
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"
+ if __debug__:
+ instdisk_keys = set(instdisk)
+ instanceinfo_keys = set(instanceinfo)
+ assert instdisk_keys == instanceinfo_keys, \
+ ("instdisk keys (%s) do not match instanceinfo keys (%s)" %
+ (instdisk_keys, instanceinfo_keys))
return instdisk
vg_name = self.cfg.GetVGName()
drbd_helper = self.cfg.GetDRBDHelper()
cluster = self.cfg.GetClusterInfo()
- groupinfo = self.cfg.GetAllNodeGroupsInfo()
hypervisors = cluster.enabled_hypervisors
node_data_list = [self.my_node_info[name] for name in self.my_node_names]
nimg.sbp[pnode] = []
nimg.sbp[pnode].append(instance)
+ es_flags = rpc.GetExclusiveStorageForNodeNames(self.cfg, self.my_node_names)
+ # The value of exclusive_storage should be the same across the group, so if
+ # it's True for at least a node, we act as if it were set for all the nodes
+ self._exclusive_storage = compat.any(es_flags.values())
+ if self._exclusive_storage:
+ node_verify_param[constants.NV_EXCLUSIVEPVS] = True
+
# At this point, we have the in-memory data structures complete,
# except for the runtime information, which we'll gather next
node == master_node)
if nimg.vm_capable:
- self._VerifyNodeLVM(node_i, nresult, vg_name)
+ self._UpdateVerifyNodeLVM(node_i, nresult, vg_name, nimg)
self._VerifyNodeDrbd(node_i, nresult, self.all_inst_info, drbd_helper,
all_drbd_map)
_ErrorIf(not test, constants.CV_ENODEORPHANINSTANCE, node_i.name,
"node is running unknown instance %s", inst)
+ self._VerifyGroupLVM(node_image, vg_name)
+
for node, result in extra_lv_nvinfo.items():
self._UpdateNodeVolumes(self.all_node_info[node], result.payload,
node_image[node], vg_name)
inst_config = self.my_inst_info[instance]
self._VerifyInstance(instance, inst_config, node_image,
instdisk[instance])
- inst_nodes_offline = []
-
- pnode = inst_config.primary_node
- pnode_img = node_image[pnode]
- _ErrorIf(pnode_img.rpc_fail and not pnode_img.offline,
- constants.CV_ENODERPC, pnode, "instance %s, connection to"
- " primary node failed", instance)
-
- _ErrorIf(inst_config.admin_state == constants.ADMINST_UP and
- pnode_img.offline,
- constants.CV_EINSTANCEBADNODE, instance,
- "instance is marked as running and lives on offline node %s",
- inst_config.primary_node)
# If the instance is non-redundant we cannot survive losing its primary
# 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,
- constants.CV_EINSTANCELAYOUT,
- instance, "instance has multiple secondary nodes: %s",
- utils.CommaJoin(inst_config.secondary_nodes),
- code=self.ETYPE_WARNING)
-
- if inst_config.disk_template in constants.DTS_INT_MIRROR:
- pnode = inst_config.primary_node
- instance_nodes = utils.NiceSort(inst_config.all_nodes)
- instance_groups = {}
-
- for node in instance_nodes:
- instance_groups.setdefault(self.all_node_info[node].group,
- []).append(node)
-
- pretty_list = [
- "%s (group %s)" % (utils.CommaJoin(nodes), groupinfo[group].name)
- # Sort so that we always list the primary node first.
- for group, nodes in sorted(instance_groups.items(),
- key=lambda (_, nodes): pnode in nodes,
- reverse=True)]
-
- self._ErrorIf(len(instance_groups) > 1,
- constants.CV_EINSTANCESPLITGROUPS,
- instance, "instance has primary and secondary nodes in"
- " different groups: %s", utils.CommaJoin(pretty_list),
- code=self.ETYPE_WARNING)
-
if not cluster.FillBE(inst_config)[constants.BE_AUTO_BALANCE]:
i_non_a_balanced.append(instance)
- for snode in inst_config.secondary_nodes:
- s_img = node_image[snode]
- _ErrorIf(s_img.rpc_fail and not s_img.offline, constants.CV_ENODERPC,
- snode, "instance %s, connection to secondary node failed",
- instance)
-
- if s_img.offline:
- inst_nodes_offline.append(snode)
-
- # warn that the instance lives on offline nodes
- _ErrorIf(inst_nodes_offline, constants.CV_EINSTANCEBADNODE, instance,
- "instance has offline secondary node(s) %s",
- utils.CommaJoin(inst_nodes_offline))
- # ... or ghost/non-vm_capable nodes
- for node in inst_config.all_nodes:
- _ErrorIf(node_image[node].ghost, constants.CV_EINSTANCEBADNODE,
- instance, "instance lives on ghost node %s", node)
- _ErrorIf(not node_image[node].vm_capable, constants.CV_EINSTANCEBADNODE,
- instance, "instance lives on non-vm_capable node %s", node)
-
feedback_fn("* Verifying orphan volumes")
reserved = utils.FieldSet(*cluster.reserved_lvs)
mn = self.cfg.GetMasterNode()
return ([mn], [mn])
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks whether the given params don't conflict and
- if the given volume group is valid.
+ def _CheckVgName(self, node_list, enabled_disk_templates,
+ new_enabled_disk_templates):
+ """Check the consistency of the vg name on all nodes and in case it gets
+ unset whether there are instances still using it.
"""
if self.op.vg_name is not None and not self.op.vg_name:
raise errors.OpPrereqError("Cannot disable lvm storage while lvm-based"
" instances exist", errors.ECODE_INVAL)
+ if (self.op.vg_name is not None and
+ utils.IsLvmEnabled(enabled_disk_templates)) or \
+ (self.cfg.GetVGName() is not None and
+ utils.LvmGetsEnabled(enabled_disk_templates,
+ new_enabled_disk_templates)):
+ self._CheckVgNameOnNodes(node_list)
+
+ def _CheckVgNameOnNodes(self, node_list):
+ """Check the status of the volume group on each node.
+
+ """
+ vglist = self.rpc.call_vg_list(node_list)
+ for node in node_list:
+ msg = vglist[node].fail_msg
+ if msg:
+ # ignoring down node
+ self.LogWarning("Error while gathering data on node %s"
+ " (ignoring node): %s", node, msg)
+ continue
+ vgstatus = utils.CheckVolumeGroupSize(vglist[node].payload,
+ self.op.vg_name,
+ constants.MIN_VG_SIZE)
+ if vgstatus:
+ raise errors.OpPrereqError("Error on node '%s': %s" %
+ (node, vgstatus), errors.ECODE_ENVIRON)
+
+ def _GetEnabledDiskTemplates(self, cluster):
+ """Determines the enabled disk templates and the subset of disk templates
+ that are newly enabled by this operation.
+
+ """
+ enabled_disk_templates = None
+ new_enabled_disk_templates = []
+ if self.op.enabled_disk_templates:
+ enabled_disk_templates = self.op.enabled_disk_templates
+ new_enabled_disk_templates = \
+ list(set(enabled_disk_templates)
+ - set(cluster.enabled_disk_templates))
+ else:
+ enabled_disk_templates = cluster.enabled_disk_templates
+ return (enabled_disk_templates, new_enabled_disk_templates)
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks whether the given params don't conflict and
+ if the given volume group is valid.
+
+ """
if self.op.drbd_helper is not None and not self.op.drbd_helper:
if self.cfg.HasAnyDiskOfType(constants.LD_DRBD8):
raise errors.OpPrereqError("Cannot disable drbd helper while"
errors.ECODE_INVAL)
node_list = self.owned_locks(locking.LEVEL_NODE)
+ self.cluster = cluster = self.cfg.GetClusterInfo()
- # if vg_name not None, checks given volume group on all nodes
- if self.op.vg_name:
- vglist = self.rpc.call_vg_list(node_list)
- for node in node_list:
- msg = vglist[node].fail_msg
- if msg:
- # ignoring down node
- self.LogWarning("Error while gathering data on node %s"
- " (ignoring node): %s", node, msg)
- continue
- vgstatus = utils.CheckVolumeGroupSize(vglist[node].payload,
- self.op.vg_name,
- constants.MIN_VG_SIZE)
- if vgstatus:
- raise errors.OpPrereqError("Error on node '%s': %s" %
- (node, vgstatus), errors.ECODE_ENVIRON)
+ (enabled_disk_templates, new_enabled_disk_templates) = \
+ self._GetEnabledDiskTemplates(cluster)
+
+ self._CheckVgName(node_list, enabled_disk_templates,
+ new_enabled_disk_templates)
if self.op.drbd_helper:
# checks given drbd helper on all nodes
raise errors.OpPrereqError("Error on node '%s': drbd helper is %s" %
(node, node_helper), errors.ECODE_ENVIRON)
- self.cluster = cluster = self.cfg.GetClusterInfo()
# validate params changes
if self.op.beparams:
objects.UpgradeBeParams(self.op.beparams)
new_ipolicy = objects.FillIPolicy(self.new_ipolicy, group.ipolicy)
ipol = ganeti.masterd.instance.CalculateGroupIPolicy(cluster, group)
new = _ComputeNewInstanceViolations(ipol,
- new_ipolicy, instances)
+ new_ipolicy, instances, self.cfg)
if new:
violations.update(new)
self.new_os_hvp[os_name] = hvs
else:
for hv_name, hv_dict in hvs.items():
- if hv_name not in self.new_os_hvp[os_name]:
+ if hv_dict is None:
+ # Delete if it exists
+ self.new_os_hvp[os_name].pop(hv_name, None)
+ elif hv_name not in self.new_os_hvp[os_name]:
self.new_os_hvp[os_name][hv_name] = hv_dict
else:
self.new_os_hvp[os_name][hv_name].update(hv_dict)
(self.op.enabled_hypervisors and
hv_name in self.op.enabled_hypervisors)):
# either this is a new hypervisor, or its parameters have changed
- hv_class = hypervisor.GetHypervisor(hv_name)
+ hv_class = hypervisor.GetHypervisorClass(hv_name)
utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
hv_class.CheckParameterSyntax(hv_params)
_CheckHVParams(self, node_list, hv_name, hv_params)
+ self._CheckDiskTemplateConsistency()
+
if self.op.os_hvp:
# no need to check any newly-enabled hypervisors, since the
# defaults have already been checked in the above code-block
# we need to fill in the new os_hvp on top of the actual hv_p
cluster_defaults = self.new_hvparams.get(hv_name, {})
new_osp = objects.FillDict(cluster_defaults, hv_params)
- hv_class = hypervisor.GetHypervisor(hv_name)
+ hv_class = hypervisor.GetHypervisorClass(hv_name)
hv_class.CheckParameterSyntax(new_osp)
_CheckHVParams(self, node_list, hv_name, new_osp)
" specified" % self.op.default_iallocator,
errors.ECODE_INVAL)
- def Exec(self, feedback_fn):
- """Change the parameters of the cluster.
+ def _CheckDiskTemplateConsistency(self):
+ """Check whether the disk templates that are going to be disabled
+ are still in use by some instances.
+
+ """
+ if self.op.enabled_disk_templates:
+ cluster = self.cfg.GetClusterInfo()
+ instances = self.cfg.GetAllInstancesInfo()
+
+ disk_templates_to_remove = set(cluster.enabled_disk_templates) \
+ - set(self.op.enabled_disk_templates)
+ for instance in instances.itervalues():
+ if instance.disk_template in disk_templates_to_remove:
+ raise errors.OpPrereqError("Cannot disable disk template '%s',"
+ " because instance '%s' is using it." %
+ (instance.disk_template, instance.name))
+
+
+ def _SetVgName(self, feedback_fn):
+ """Determines and sets the new volume group name.
"""
if self.op.vg_name is not None:
+ if self.op.vg_name and not \
+ utils.IsLvmEnabled(self.cluster.enabled_disk_templates):
+ feedback_fn("Note that you specified a volume group, but did not"
+ " enable any lvm disk template.")
new_volume = self.op.vg_name
if not new_volume:
+ if utils.IsLvmEnabled(self.cluster.enabled_disk_templates):
+ raise errors.OpPrereqError("Cannot unset volume group if lvm-based"
+ " disk templates are enabled.")
new_volume = None
if new_volume != self.cfg.GetVGName():
self.cfg.SetVGName(new_volume)
else:
feedback_fn("Cluster LVM configuration already in desired"
" state, not changing")
+ else:
+ if utils.IsLvmEnabled(self.cluster.enabled_disk_templates) and \
+ not self.cfg.GetVGName():
+ raise errors.OpPrereqError("Please specify a volume group when"
+ " enabling lvm-based disk-templates.")
+
+ def Exec(self, feedback_fn):
+ """Change the parameters of the cluster.
+
+ """
+ if self.op.enabled_disk_templates:
+ self.cluster.enabled_disk_templates = \
+ list(set(self.op.enabled_disk_templates))
+
+ self._SetVgName(feedback_fn)
+
if self.op.drbd_helper is not None:
+ if not constants.DT_DRBD8 in self.cluster.enabled_disk_templates:
+ feedback_fn("Note that you specified a drbd user helper, but did"
+ " enabled the drbd disk template.")
new_helper = self.op.drbd_helper
if not new_helper:
new_helper = None
files_vm = set(
filename
for hv_name in cluster.enabled_hypervisors
- for filename in hypervisor.GetHypervisor(hv_name).GetAncillaryFiles()[0])
+ for filename in
+ hypervisor.GetHypervisorClass(hv_name).GetAncillaryFiles()[0])
files_opt |= set(
filename
for hv_name in cluster.enabled_hypervisors
- for filename in hypervisor.GetHypervisor(hv_name).GetAncillaryFiles()[1])
+ for filename in
+ hypervisor.GetHypervisorClass(hv_name).GetAncillaryFiles()[1])
# Filenames in each category must be unique
all_files_set = files_all | files_mc | files_vm
return self.oq.OldStyleQuery(self)
+class _ExtStorageQuery(_QueryBase):
+ FIELDS = query.EXTSTORAGE_FIELDS
+
+ def ExpandNames(self, lu):
+ # Lock all nodes in shared mode
+ # Temporary removal of locks, should be reverted later
+ # TODO: reintroduce locks when they are lighter-weight
+ lu.needed_locks = {}
+ #self.share_locks[locking.LEVEL_NODE] = 1
+ #self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
+
+ # The following variables interact with _QueryBase._GetNames
+ if self.names:
+ self.wanted = self.names
+ else:
+ self.wanted = locking.ALL_SET
+
+ self.do_locking = self.use_locking
+
+ def DeclareLocks(self, lu, level):
+ pass
+
+ @staticmethod
+ def _DiagnoseByProvider(rlist):
+ """Remaps a per-node return list into an a per-provider per-node dictionary
+
+ @param rlist: a map with node names as keys and ExtStorage objects as values
+
+ @rtype: dict
+ @return: a dictionary with extstorage providers as keys and as
+ value another map, with nodes as keys and tuples of
+ (path, status, diagnose, parameters) as values, eg::
+
+ {"provider1": {"node1": [(/usr/lib/..., True, "", [])]
+ "node2": [(/srv/..., False, "missing file")]
+ "node3": [(/srv/..., True, "", [])]
+ }
+
+ """
+ all_es = {}
+ # we build here the list of nodes that didn't fail the RPC (at RPC
+ # level), so that nodes with a non-responding node daemon don't
+ # make all OSes invalid
+ good_nodes = [node_name for node_name in rlist
+ if not rlist[node_name].fail_msg]
+ for node_name, nr in rlist.items():
+ if nr.fail_msg or not nr.payload:
+ continue
+ for (name, path, status, diagnose, params) in nr.payload:
+ if name not in all_es:
+ # build a list of nodes for this os containing empty lists
+ # for each node in node_list
+ all_es[name] = {}
+ for nname in good_nodes:
+ all_es[name][nname] = []
+ # convert params from [name, help] to (name, help)
+ params = [tuple(v) for v in params]
+ all_es[name][node_name].append((path, status, diagnose, params))
+ return all_es
+
+ def _GetQueryData(self, lu):
+ """Computes the list of nodes and their attributes.
+
+ """
+ # Locking is not used
+ assert not (compat.any(lu.glm.is_owned(level)
+ for level in locking.LEVELS
+ if level != locking.LEVEL_CLUSTER) or
+ self.do_locking or self.use_locking)
+
+ valid_nodes = [node.name
+ for node in lu.cfg.GetAllNodesInfo().values()
+ if not node.offline and node.vm_capable]
+ pol = self._DiagnoseByProvider(lu.rpc.call_extstorage_diagnose(valid_nodes))
+
+ data = {}
+
+ nodegroup_list = lu.cfg.GetNodeGroupList()
+
+ for (es_name, es_data) in pol.items():
+ # For every provider compute the nodegroup validity.
+ # To do this we need to check the validity of each node in es_data
+ # and then construct the corresponding nodegroup dict:
+ # { nodegroup1: status
+ # nodegroup2: status
+ # }
+ ndgrp_data = {}
+ for nodegroup in nodegroup_list:
+ ndgrp = lu.cfg.GetNodeGroup(nodegroup)
+
+ nodegroup_nodes = ndgrp.members
+ nodegroup_name = ndgrp.name
+ node_statuses = []
+
+ for node in nodegroup_nodes:
+ if node in valid_nodes:
+ if es_data[node] != []:
+ node_status = es_data[node][0][1]
+ node_statuses.append(node_status)
+ else:
+ node_statuses.append(False)
+
+ if False in node_statuses:
+ ndgrp_data[nodegroup_name] = False
+ else:
+ ndgrp_data[nodegroup_name] = True
+
+ # Compute the provider's parameters
+ parameters = set()
+ for idx, esl in enumerate(es_data.values()):
+ valid = bool(esl and esl[0][1])
+ if not valid:
+ break
+
+ node_params = esl[0][3]
+ if idx == 0:
+ # First entry
+ parameters.update(node_params)
+ else:
+ # Filter out inconsistent values
+ parameters.intersection_update(node_params)
+
+ params = list(parameters)
+
+ # Now fill all the info for this provider
+ info = query.ExtStorageInfo(name=es_name, node_status=es_data,
+ nodegroup_status=ndgrp_data,
+ parameters=params)
+
+ data[es_name] = info
+
+ # Prepare data in requested order
+ return [data[name] for name in self._GetNames(lu, pol.keys(), None)
+ if name in data]
+
+
+class LUExtStorageDiagnose(NoHooksLU):
+ """Logical unit for ExtStorage diagnose/query.
+
+ """
+ REQ_BGL = False
+
+ def CheckArguments(self):
+ self.eq = _ExtStorageQuery(qlang.MakeSimpleFilter("name", self.op.names),
+ self.op.output_fields, False)
+
+ def ExpandNames(self):
+ self.eq.ExpandNames(self)
+
+ def Exec(self, feedback_fn):
+ return self.eq.OldStyleQuery(self)
+
+
class LUNodeRemove(LogicalUnit):
"""Logical unit for removing a node.
# filter out non-vm_capable nodes
toquery_nodes = [name for name in nodenames if all_info[name].vm_capable]
+ es_flags = rpc.GetExclusiveStorageForNodeNames(lu.cfg, toquery_nodes)
node_data = lu.rpc.call_node_info(toquery_nodes, [lu.cfg.GetVGName()],
- [lu.cfg.GetHypervisorType()])
+ [lu.cfg.GetHypervisorType()], es_flags)
live_data = dict((name, rpc.MakeLegacyNodeInfo(nresult.payload))
for (name, nresult) in node_data.items()
if not nresult.fail_msg and nresult.payload)
lu.needed_locks[locking.LEVEL_INSTANCE] = self.wanted
lu.needed_locks[locking.LEVEL_NODEGROUP] = []
lu.needed_locks[locking.LEVEL_NODE] = []
+ lu.needed_locks[locking.LEVEL_NETWORK] = []
lu.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
self.do_grouplocks = (self.do_locking and
elif level == locking.LEVEL_NODE:
lu._LockInstancesNodes() # pylint: disable=W0212
+ elif level == locking.LEVEL_NETWORK:
+ lu.needed_locks[locking.LEVEL_NETWORK] = \
+ frozenset(net_uuid
+ for instance_name in lu.owned_locks(locking.LEVEL_INSTANCE)
+ for net_uuid in lu.cfg.GetInstanceNetworks(instance_name))
+
@staticmethod
def _CheckGroupLocks(lu):
owned_instances = frozenset(lu.owned_locks(locking.LEVEL_INSTANCE))
nodes = None
groups = None
+ if query.IQ_NETWORKS in self.requested_data:
+ net_uuids = itertools.chain(*(lu.cfg.GetInstanceNetworks(i.name)
+ for i in instance_list))
+ networks = dict((uuid, lu.cfg.GetNetwork(uuid)) for uuid in net_uuids)
+ else:
+ networks = None
+
return query.InstanceQueryData(instance_list, lu.cfg.GetClusterInfo(),
disk_usage, offline_nodes, bad_nodes,
live_data, wrongnode_inst, consinfo,
- nodes, groups)
+ nodes, groups, networks)
class LUQuery(NoHooksLU):
secondary_ip=secondary_ip,
master_candidate=self.master_candidate,
offline=False, drained=False,
- group=node_group)
+ group=node_group, ndparams={})
if self.op.ndparams:
utils.ForceDictType(self.op.ndparams, constants.NDS_PARAMETER_TYPES)
+ _CheckParamsNotGlobal(self.op.ndparams, constants.NDC_GLOBALS, "node",
+ "node", "cluster or group")
if self.op.hv_state:
self.new_hv_state = _MergeAndVerifyHvState(self.op.hv_state, None)
# TODO: If we need to have multiple DnsOnlyRunner we probably should make
# it a property on the base class.
- result = rpc.DnsOnlyRunner().call_version([node])[node]
+ rpcrunner = rpc.DnsOnlyRunner()
+ result = rpcrunner.call_version([node])[node]
result.Raise("Can't get version information from node %s" % node)
if constants.PROTOCOL_VERSION == result.payload:
logging.info("Communication to node %s fine, sw version %s match",
(constants.PROTOCOL_VERSION, result.payload),
errors.ECODE_ENVIRON)
+ vg_name = cfg.GetVGName()
+ if vg_name is not None:
+ vparams = {constants.NV_PVLIST: [vg_name]}
+ excl_stor = _IsExclusiveStorageEnabledNode(cfg, self.new_node)
+ cname = self.cfg.GetClusterName()
+ result = rpcrunner.call_node_verify_light([node], vparams, cname)[node]
+ (errmsgs, _) = _CheckNodePVs(result.payload, excl_stor)
+ if errmsgs:
+ raise errors.OpPrereqError("Checks on node PVs failed: %s" %
+ "; ".join(errmsgs), errors.ECODE_ENVIRON)
+
def Exec(self, feedback_fn):
"""Adds the new node to the cluster.
if self.op.ndparams:
new_ndparams = _GetUpdatedParams(self.node.ndparams, self.op.ndparams)
utils.ForceDictType(new_ndparams, constants.NDS_PARAMETER_TYPES)
+ _CheckParamsNotGlobal(self.op.ndparams, constants.NDC_GLOBALS, "node",
+ "node", "cluster or group")
self.new_ndparams = new_ndparams
if self.op.hv_state:
we cannot check the node
"""
- nodeinfo = lu.rpc.call_node_info([node], None, [hypervisor_name])
+ nodeinfo = lu.rpc.call_node_info([node], None, [hypervisor_name], False)
nodeinfo[node].Raise("Can't get data from node %s" % node,
prereq=True, ecode=errors.ECODE_ENVIRON)
(_, _, (hv_info, )) = nodeinfo[node].payload
or we cannot check the node
"""
- nodeinfo = lu.rpc.call_node_info(nodenames, [vg], None)
+ es_flags = rpc.GetExclusiveStorageForNodeNames(lu.cfg, nodenames)
+ nodeinfo = lu.rpc.call_node_info(nodenames, [vg], None, es_flags)
for node in nodenames:
info = nodeinfo[node]
info.Raise("Cannot get current information from node %s" % node,
or we cannot check the node
"""
- nodeinfo = lu.rpc.call_node_info(nodenames, None, [hypervisor_name])
+ nodeinfo = lu.rpc.call_node_info(nodenames, None, [hypervisor_name], None)
for node in nodenames:
info = nodeinfo[node]
info.Raise("Cannot get current information from node %s" % node,
utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
filled_hvp = cluster.FillHV(instance)
filled_hvp.update(self.op.hvparams)
- hv_type = hypervisor.GetHypervisor(instance.hypervisor)
+ hv_type = hypervisor.GetHypervisorClass(instance.hypervisor)
hv_type.CheckParameterSyntax(filled_hvp)
_CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
instance = self.instance
ignore_secondaries = self.op.ignore_secondaries
reboot_type = self.op.reboot_type
+ reason = self.op.reason
remote_info = self.rpc.call_instance_info(instance.primary_node,
instance.name,
self.cfg.SetDiskID(disk, node_current)
result = self.rpc.call_instance_reboot(node_current, instance,
reboot_type,
- self.op.shutdown_timeout)
+ self.op.shutdown_timeout, reason)
result.Raise("Could not reboot instance")
else:
if instance_running:
node_current = instance.primary_node
timeout = self.op.timeout
- if not self.op.no_remember:
+ # If the instance is offline we shouldn't mark it as down, as that
+ # resets the offline flag.
+ if not self.op.no_remember and instance.admin_state in INSTANCE_ONLINE:
self.cfg.MarkInstanceDown(instance.name)
if self.primary_offline:
# TODO: Implement support changing VG while recreating
constants.IDISK_VG,
constants.IDISK_METAVG,
+ constants.IDISK_PROVIDER,
+ constants.IDISK_NAME,
]))
def _RunAllocator(self):
disks=[{constants.IDISK_SIZE: d.size,
constants.IDISK_MODE: d.mode}
for d in self.instance.disks],
- hypervisor=self.instance.hypervisor)
+ hypervisor=self.instance.hypervisor,
+ node_whitelist=None)
ial = iallocator.IAllocator(self.cfg, self.rpc, req)
ial.Run(self.op.iallocator)
lu.needed_locks[locking.LEVEL_NODE_RES] = []
lu.recalculate_locks[locking.LEVEL_NODE_RES] = constants.LOCKS_REPLACE
- # The node allocation lock is actually only needed for replicated instances
- # (e.g. DRBD8) and if an iallocator is used.
+ # The node allocation lock is actually only needed for externally replicated
+ # instances (e.g. sharedfile or RBD) and if an iallocator is used.
lu.needed_locks[locking.LEVEL_NODE_ALLOC] = []
"""
instance = self._migrater.instance
- nl = [self.cfg.GetMasterNode()] + list(instance.secondary_nodes)
- return (nl, nl + [instance.primary_node])
+ snodes = list(instance.secondary_nodes)
+ nl = [self.cfg.GetMasterNode(), instance.primary_node] + snodes
+ return (nl, nl)
class LUInstanceMove(LogicalUnit):
assert self.instance is not None, \
"Cannot retrieve locked instance %s" % self.op.instance_name
+ if instance.disk_template not in constants.DTS_COPYABLE:
+ raise errors.OpPrereqError("Disk template %s not suitable for copying" %
+ instance.disk_template, errors.ECODE_STATE)
+
node = self.cfg.GetNodeInfo(self.op.target_node)
assert node is not None, \
"Cannot retrieve locked node %s" % self.op.target_node
cluster = self.cfg.GetClusterInfo()
group_info = self.cfg.GetNodeGroup(node.group)
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster, group_info)
- _CheckTargetNodeIPolicy(self, ipolicy, instance, node,
+ _CheckTargetNodeIPolicy(self, ipolicy, instance, node, self.cfg,
ignore=self.op.ignore_ipolicy)
if instance.admin_state == constants.ADMINST_UP:
try:
_CreateDisks(self, instance, target_node=target_node)
except errors.OpExecError:
- self.LogWarning("Device creation failed, reverting...")
- try:
- _RemoveDisks(self, instance, target_node=target_node)
- finally:
- self.cfg.ReleaseDRBDMinors(instance.name)
- raise
+ self.LogWarning("Device creation failed")
+ self.cfg.ReleaseDRBDMinors(instance.name)
+ raise
cluster_name = self.cfg.GetClusterInfo().cluster_name
errors.ECODE_STATE)
if instance.disk_template in constants.DTS_EXT_MIRROR:
- assert locking.NAL in self.lu.owned_locks(locking.LEVEL_NODE_ALLOC)
-
_CheckIAllocatorOrNode(self.lu, "iallocator", "target_node")
if self.lu.op.iallocator:
+ assert locking.NAL in self.lu.owned_locks(locking.LEVEL_NODE_ALLOC)
self._RunAllocator()
else:
# We set set self.target_node as it is required by
group_info = self.cfg.GetNodeGroup(nodeinfo.group)
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
group_info)
- _CheckTargetNodeIPolicy(self.lu, ipolicy, instance, nodeinfo,
+ _CheckTargetNodeIPolicy(self.lu, ipolicy, instance, nodeinfo, self.cfg,
ignore=self.ignore_ipolicy)
# self.target_node is already populated, either directly or by the
group_info = self.cfg.GetNodeGroup(nodeinfo.group)
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
group_info)
- _CheckTargetNodeIPolicy(self.lu, ipolicy, instance, nodeinfo,
+ _CheckTargetNodeIPolicy(self.lu, ipolicy, instance, nodeinfo, self.cfg,
ignore=self.ignore_ipolicy)
i_be = cluster.FillBE(instance)
# Check for hypervisor version mismatch and warn the user.
nodeinfo = self.rpc.call_node_info([source_node, target_node],
- None, [self.instance.hypervisor])
+ None, [self.instance.hypervisor], False)
for ninfo in nodeinfo.values():
ninfo.Raise("Unable to retrieve node information from node '%s'" %
ninfo.node)
self._GoReconnect(False)
self._WaitUntilSync()
- # If the instance's disk template is `rbd' and there was a successful
- # migration, unmap the device from the source node.
- if self.instance.disk_template == constants.DT_RBD:
+ # If the instance's disk template is `rbd' or `ext' and there was a
+ # successful migration, unmap the device from the source node.
+ if self.instance.disk_template in (constants.DT_RBD, constants.DT_EXT):
disks = _ExpandCheckDisks(instance, instance.disks)
self.feedback_fn("* unmapping instance's disks from %s" % source_node)
for disk in disks:
"""
(disk,) = _AnnotateDiskParams(instance, [device], lu.cfg)
+ excl_stor = _IsExclusiveStorageEnabledNodeName(lu.cfg, node)
return _CreateBlockDevInner(lu, node, instance, disk, force_create, info,
- force_open)
+ force_open, excl_stor)
def _CreateBlockDevInner(lu, node, instance, device, force_create,
- info, force_open):
+ info, force_open, excl_stor):
"""Create a tree of block devices on a given node.
If this device type has to be created on secondaries, create it and
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
+ @type excl_stor: boolean
+ @param excl_stor: Whether exclusive_storage is active for the node
"""
if device.CreateOnSecondary():
if device.children:
for child in device.children:
_CreateBlockDevInner(lu, node, instance, child, force_create,
- info, force_open)
+ info, force_open, excl_stor)
if not force_create:
return
- _CreateSingleBlockDev(lu, node, instance, device, info, force_open)
+ _CreateSingleBlockDev(lu, node, instance, device, info, force_open,
+ excl_stor)
-def _CreateSingleBlockDev(lu, node, instance, device, info, force_open):
+def _CreateSingleBlockDev(lu, node, instance, device, info, force_open,
+ excl_stor):
"""Create a single block device on a given node.
This will not recurse over children of the device, so they must be
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
+ @type excl_stor: boolean
+ @param excl_stor: Whether exclusive_storage is active for the node
"""
lu.cfg.SetDiskID(device, node)
result = lu.rpc.call_blockdev_create(node, device, device.size,
- instance.name, force_open, info)
+ instance.name, force_open, info,
+ excl_stor)
result.Raise("Can't create block device %s on"
" node %s for instance %s" % (device, node, instance.name))
if device.physical_id is None:
dev_data = objects.Disk(dev_type=constants.LD_LV, size=size,
logical_id=(vgnames[0], names[0]),
params={})
+ dev_data.uuid = lu.cfg.GenerateUniqueID(lu.proc.GetECId())
dev_meta = objects.Disk(dev_type=constants.LD_LV,
size=constants.DRBD_META_SIZE,
logical_id=(vgnames[1], names[1]),
params={})
+ dev_meta.uuid = lu.cfg.GenerateUniqueID(lu.proc.GetECId())
drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size,
logical_id=(primary, secondary, port,
p_minor, s_minor,
shared_secret),
children=[dev_data, dev_meta],
iv_name=iv_name, params={})
+ drbd_dev.uuid = lu.cfg.GenerateUniqueID(lu.proc.GetECId())
return drbd_dev
_DISK_TEMPLATE_NAME_PREFIX = {
constants.DT_PLAIN: "",
constants.DT_RBD: ".rbd",
+ constants.DT_EXT: ".ext",
}
constants.DT_SHARED_FILE: constants.LD_FILE,
constants.DT_BLOCK: constants.LD_BLOCKDEV,
constants.DT_RBD: constants.LD_RBD,
+ constants.DT_EXT: constants.LD_EXT,
}
"disk/%d" % disk_index,
minors[idx * 2], minors[idx * 2 + 1])
disk_dev.mode = disk[constants.IDISK_MODE]
+ disk_dev.name = disk.get(constants.IDISK_NAME, None)
disks.append(disk_dev)
else:
if secondary_nodes:
disk[constants.IDISK_ADOPT])
elif template_name == constants.DT_RBD:
logical_id_fn = lambda idx, _, disk: ("rbd", names[idx])
+ elif template_name == constants.DT_EXT:
+ def logical_id_fn(idx, _, disk):
+ provider = disk.get(constants.IDISK_PROVIDER, None)
+ if provider is None:
+ raise errors.ProgrammerError("Disk template is %s, but '%s' is"
+ " not found", constants.DT_EXT,
+ constants.IDISK_PROVIDER)
+ return (provider, names[idx])
else:
raise errors.ProgrammerError("Unknown disk template '%s'" % template_name)
dev_type = _DISK_TEMPLATE_DEVICE_TYPE[template_name]
for idx, disk in enumerate(disk_info):
+ params = {}
+ # Only for the Ext template add disk_info to params
+ if template_name == constants.DT_EXT:
+ params[constants.IDISK_PROVIDER] = disk[constants.IDISK_PROVIDER]
+ for key in disk:
+ if key not in constants.IDISK_PARAMS:
+ params[key] = disk[key]
disk_index = idx + base_index
size = disk[constants.IDISK_SIZE]
feedback_fn("* disk %s, size %s" %
(disk_index, utils.FormatUnit(size, "h")))
- disks.append(objects.Disk(dev_type=dev_type, size=size,
- logical_id=logical_id_fn(idx, disk_index, disk),
- iv_name="disk/%d" % disk_index,
- mode=disk[constants.IDISK_MODE],
- params={}))
+ disk_dev = objects.Disk(dev_type=dev_type, size=size,
+ logical_id=logical_id_fn(idx, disk_index, disk),
+ iv_name="disk/%d" % disk_index,
+ mode=disk[constants.IDISK_MODE],
+ params=params)
+ disk_dev.name = disk.get(constants.IDISK_NAME, None)
+ disk_dev.uuid = lu.cfg.GenerateUniqueID(lu.proc.GetECId())
+ disks.append(disk_dev)
return disks
@param lu: the logical unit on whose behalf we execute
@type instance: L{objects.Instance}
@param instance: the instance whose disks we should create
- @return: the success of the wipe
+ @type disks: None or list of tuple of (number, L{objects.Disk}, number)
+ @param disks: Disk details; tuple contains disk index, disk object and the
+ start offset
"""
node = instance.primary_node
result.Raise("Failed to create directory '%s' on"
" node %s" % (file_storage_dir, pnode))
+ disks_created = []
# Note: this needs to be kept in sync with adding of disks in
# LUInstanceSetParams
for idx, device in enumerate(instance.disks):
#HARDCODE
for node in all_nodes:
f_create = node == pnode
- _CreateBlockDev(lu, node, instance, device, f_create, info, f_create)
+ try:
+ _CreateBlockDev(lu, node, instance, device, f_create, info, f_create)
+ disks_created.append((node, device))
+ except errors.OpExecError:
+ logging.warning("Creating disk %s for instance '%s' failed",
+ idx, instance.name)
+ for (node, disk) in disks_created:
+ lu.cfg.SetDiskID(disk, node)
+ result = lu.rpc.call_blockdev_remove(node, disk)
+ if result.fail_msg:
+ logging.warning("Failed to remove newly-created disk %s on node %s:"
+ " %s", device, node, result.fail_msg)
+ raise
def _RemoveDisks(lu, instance, target_node=None, ignore_failures=False):
This abstracts away some work from `AddInstance()` and
`RemoveInstance()`. Note that in case some of the devices couldn't
- be removed, the removal will continue with the other ones (compare
- with `_CreateDisks()`).
+ be removed, the removal will continue with the other ones.
@type lu: L{LogicalUnit}
@param lu: the logical unit on whose behalf we execute
check_params = cluster.SimpleFillNIC(nicparams)
objects.NIC.CheckParameterSyntax(check_params)
- nics.append(objects.NIC(mac=mac, ip=nic_ip,
- network=net, nicparams=nicparams))
+ net_uuid = cfg.LookupNetwork(net)
+ name = nic.get(constants.INIC_NAME, None)
+ if name is not None and name.lower() == constants.VALUE_NONE:
+ name = None
+ nic_obj = objects.NIC(mac=mac, ip=nic_ip, name=name,
+ network=net_uuid, nicparams=nicparams)
+ nic_obj.uuid = cfg.GenerateUniqueID(ec_id)
+ nics.append(nic_obj)
return nics
@param op: The instance opcode
@param default_vg: The default_vg to assume
- @return: The computer disks
+ @return: The computed disks
"""
disks = []
raise errors.OpPrereqError("Invalid disk size '%s'" % size,
errors.ECODE_INVAL)
+ ext_provider = disk.get(constants.IDISK_PROVIDER, None)
+ if ext_provider and op.disk_template != constants.DT_EXT:
+ raise errors.OpPrereqError("The '%s' option is only valid for the %s"
+ " disk template, not %s" %
+ (constants.IDISK_PROVIDER, constants.DT_EXT,
+ op.disk_template), errors.ECODE_INVAL)
+
data_vg = disk.get(constants.IDISK_VG, default_vg)
+ name = disk.get(constants.IDISK_NAME, None)
+ if name is not None and name.lower() == constants.VALUE_NONE:
+ name = None
new_disk = {
constants.IDISK_SIZE: size,
constants.IDISK_MODE: mode,
constants.IDISK_VG: data_vg,
+ constants.IDISK_NAME: name,
}
+
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]
+
+ # For extstorage, demand the `provider' option and add any
+ # additional parameters (ext-params) to the dict
+ if op.disk_template == constants.DT_EXT:
+ if ext_provider:
+ new_disk[constants.IDISK_PROVIDER] = ext_provider
+ for key in disk:
+ if key not in constants.IDISK_PARAMS:
+ new_disk[key] = disk[key]
+ else:
+ raise errors.OpPrereqError("Missing provider for template '%s'" %
+ constants.DT_EXT, errors.ECODE_INVAL)
+
disks.append(new_disk)
return disks
return cluster.SimpleFillBE(op.beparams)
+def _CheckOpportunisticLocking(op):
+ """Generate error if opportunistic locking is not possible.
+
+ """
+ if op.opportunistic_locking and not op.iallocator:
+ raise errors.OpPrereqError("Opportunistic locking is only available in"
+ " combination with an instance allocator",
+ errors.ECODE_INVAL)
+
+
class LUInstanceCreate(LogicalUnit):
"""Create an instance.
# check nics' parameter names
for nic in self.op.nics:
utils.ForceDictType(nic, constants.INIC_PARAMS_TYPES)
+ # check that NIC's parameters names are unique and valid
+ utils.ValidateDeviceNames("NIC", self.op.nics)
+
+ # check that disk's names are unique and valid
+ utils.ValidateDeviceNames("disk", self.op.disks)
+
+ cluster = self.cfg.GetClusterInfo()
+ if not self.op.disk_template in cluster.enabled_disk_templates:
+ raise errors.OpPrereqError("Cannot create an instance with disk template"
+ " '%s', because it is not enabled in the"
+ " cluster. Enabled disk templates are: %s." %
+ (self.op.disk_template,
+ ",".join(cluster.enabled_disk_templates)))
# check disks. parameter names and consistent adopt/no-adopt strategy
has_adopt = has_no_adopt = False
for disk in self.op.disks:
- utils.ForceDictType(disk, constants.IDISK_PARAMS_TYPES)
+ if self.op.disk_template != constants.DT_EXT:
+ utils.ForceDictType(disk, constants.IDISK_PARAMS_TYPES)
if constants.IDISK_ADOPT in disk:
has_adopt = True
else:
" template")
self.op.snode = None
+ _CheckOpportunisticLocking(self.op)
+
self._cds = _GetClusterDomainSecret()
if self.op.mode == constants.INSTANCE_IMPORT:
"""
if self.op.opportunistic_locking:
# Only consider nodes for which a lock is held
- node_whitelist = self.owned_locks(locking.LEVEL_NODE)
+ node_whitelist = list(self.owned_locks(locking.LEVEL_NODE))
else:
node_whitelist = None
vcpus=self.be_full[constants.BE_VCPUS],
nics=_NICListToTuple(self, self.nics),
disk_template=self.op.disk_template,
- disks=[(d[constants.IDISK_SIZE], d[constants.IDISK_MODE])
- for d in self.disks],
+ disks=[(d[constants.IDISK_NAME], d[constants.IDISK_SIZE],
+ d[constants.IDISK_MODE]) for d in self.disks],
bep=self.be_full,
hvp=self.hv_full,
hypervisor_name=self.op.hypervisor,
utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
filled_hvp = cluster.SimpleFillHV(self.op.hypervisor, self.op.os_type,
self.op.hvparams)
- hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
+ hv_type = hypervisor.GetHypervisorClass(self.op.hypervisor)
hv_type.CheckParameterSyntax(filled_hvp)
self.hv_full = filled_hvp
# check that we don't specify global parameters on an instance
- _CheckGlobalHvParams(self.op.hvparams)
+ _CheckParamsNotGlobal(self.op.hvparams, constants.HVC_GLOBALS, "hypervisor",
+ "instance", "cluster")
# fill and remember the beparams dict
self.be_full = _ComputeFullBeParams(self.op, cluster)
# Fill in any IPs from IP pools. This must happen here, because we need to
# know the nic's primary node, as specified by the iallocator
for idx, nic in enumerate(self.nics):
- net = nic.network
- if net is not None:
- netparams = self.cfg.GetGroupNetParams(net, self.pnode.name)
+ net_uuid = nic.network
+ if net_uuid is not None:
+ nobj = self.cfg.GetNetwork(net_uuid)
+ netparams = self.cfg.GetGroupNetParams(net_uuid, self.pnode.name)
if netparams is None:
raise errors.OpPrereqError("No netparams found for network"
" %s. Propably not connected to"
" node's %s nodegroup" %
- (net, self.pnode.name),
+ (nobj.name, self.pnode.name),
errors.ECODE_INVAL)
self.LogInfo("NIC/%d inherits netparams %s" %
(idx, netparams.values()))
if nic.ip is not None:
if nic.ip.lower() == constants.NIC_IP_POOL:
try:
- nic.ip = self.cfg.GenerateIp(net, self.proc.GetECId())
+ nic.ip = self.cfg.GenerateIp(net_uuid, self.proc.GetECId())
except errors.ReservationError:
raise errors.OpPrereqError("Unable to get a free IP for NIC %d"
" from the address pool" % idx,
errors.ECODE_STATE)
- self.LogInfo("Chose IP %s from network %s", nic.ip, net)
+ self.LogInfo("Chose IP %s from network %s", nic.ip, nobj.name)
else:
try:
- self.cfg.ReserveIp(net, nic.ip, self.proc.GetECId())
+ self.cfg.ReserveIp(net_uuid, nic.ip, self.proc.GetECId())
except errors.ReservationError:
raise errors.OpPrereqError("IP address %s already in use"
" or does not belong to network %s" %
- (nic.ip, net),
+ (nic.ip, nobj.name),
errors.ECODE_NOTUNIQUE)
- else:
- # net is None, ip None or given
- if self.op.conflicts_check:
- _CheckForConflictingIp(self, nic.ip, self.pnode.name)
+
+ # net is None, ip None or given
+ elif self.op.conflicts_check:
+ _CheckForConflictingIp(self, nic.ip, self.pnode.name)
# mirror node verification
if self.op.disk_template in constants.DTS_INT_MIRROR:
" from the first disk's node group will be"
" used")
- nodenames = [pnode.name] + self.secondaries
-
- # 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["size"] for disk in self.disks],
- constants.ISPEC_NIC_COUNT: len(self.nics),
- constants.ISPEC_SPINDLE_USE: spindle_use,
- }
+ if not self.op.disk_template in constants.DTS_EXCL_STORAGE:
+ nodes = [pnode]
+ if self.op.disk_template in constants.DTS_INT_MIRROR:
+ nodes.append(snode)
+ has_es = lambda n: _IsExclusiveStorageEnabledNode(self.cfg, n)
+ if compat.any(map(has_es, nodes)):
+ raise errors.OpPrereqError("Disk template %s not supported with"
+ " exclusive storage" % self.op.disk_template,
+ errors.ECODE_STATE)
- group_info = self.cfg.GetNodeGroup(pnode.group)
- ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster, group_info)
- res = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec)
- if not self.op.ignore_ipolicy and res:
- 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)
+ nodenames = [pnode.name] + self.secondaries
if not self.adopt_disks:
if self.op.disk_template == constants.DT_RBD:
# Any function that checks prerequisites can be placed here.
# Check if there is enough space on the RADOS cluster.
_CheckRADOSFreeSpace()
+ elif self.op.disk_template == constants.DT_EXT:
+ # FIXME: Function that checks prereqs if needed
+ pass
else:
# Check lv size requirements, if not adopting
req_sizes = _ComputeDiskSizePerVG(self.op.disk_template, self.disks)
group_info = self.cfg.GetNodeGroup(pnode.group)
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster, group_info)
- res = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec)
+ res = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec,
+ self.op.disk_template)
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)
_CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams)
_CheckNicsBridgesExist(self, self.nics, self.pnode.name)
+ #TODO: _CheckExtParams (remotely)
+ # Check parameters for extstorage
+
# memory check on primary node
#TODO(dynmem): use MINMEM for checking
if self.op.start:
try:
_CreateDisks(self, iobj)
except errors.OpExecError:
- self.LogWarning("Device creation failed, reverting...")
- try:
- _RemoveDisks(self, iobj)
- finally:
- self.cfg.ReleaseDRBDMinors(instance)
- raise
+ self.LogWarning("Device creation failed")
+ self.cfg.ReleaseDRBDMinors(instance)
+ raise
feedback_fn("adding instance %s to cluster config" % instance)
" or set a cluster-wide default iallocator",
errors.ECODE_INVAL)
+ _CheckOpportunisticLocking(self.op)
+
dups = utils.FindDuplicates([op.instance_name for op in self.op.instances])
if dups:
raise errors.OpPrereqError("There are duplicate instance names: %s" %
if self.op.opportunistic_locking:
# Only consider nodes for which a lock is held
- node_whitelist = self.owned_locks(locking.LEVEL_NODE)
+ node_whitelist = list(self.owned_locks(locking.LEVEL_NODE))
else:
node_whitelist = None
@rtype: dict
"""
- hyper = hypervisor.GetHypervisor(instance.hypervisor)
+ hyper = hypervisor.GetHypervisorClass(instance.hypervisor)
# beparams and hvparams are passed separately, to avoid editing the
# instance and then saving the defaults in the instance itself.
hvparams = cluster.FillHV(instance)
ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
new_group_info)
_CheckTargetNodeIPolicy(self, ipolicy, instance, self.remote_node_info,
- ignore=self.ignore_ipolicy)
+ self.cfg, ignore=self.ignore_ipolicy)
for node in check_nodes:
_CheckNodeOnline(self.lu, node)
new_lvs = [lv_data, lv_meta]
old_lvs = [child.Copy() for child in dev.children]
iv_names[dev.iv_name] = (dev, old_lvs, new_lvs)
+ excl_stor = _IsExclusiveStorageEnabledNodeName(self.lu.cfg, node_name)
# we pass force_create=True to force the LVM creation
for new_lv in new_lvs:
_CreateBlockDevInner(self.lu, node_name, self.instance, new_lv, True,
- _GetInstanceInfoText(self.instance), False)
+ _GetInstanceInfoText(self.instance), False,
+ excl_stor)
return iv_names
# Step: create new storage
self.lu.LogStep(3, steps_total, "Allocate new storage")
disks = _AnnotateDiskParams(self.instance, self.instance.disks, self.cfg)
+ excl_stor = _IsExclusiveStorageEnabledNodeName(self.lu.cfg, self.new_node)
for idx, dev in enumerate(disks):
self.lu.LogInfo("Adding new local storage on %s for disk/%d" %
(self.new_node, idx))
# we pass force_create=True to force LVM creation
for new_lv in dev.children:
_CreateBlockDevInner(self.lu, self.new_node, self.instance, new_lv,
- True, _GetInstanceInfoText(self.instance), False)
+ True, _GetInstanceInfoText(self.instance), False,
+ excl_stor)
# Step 4: dbrd minors and drbd setups changes
# after this, we must manually remove the drbd minors on both the
try:
_CreateSingleBlockDev(self.lu, self.new_node, self.instance,
anno_new_drbd,
- _GetInstanceInfoText(self.instance), False)
+ _GetInstanceInfoText(self.instance), False,
+ excl_stor)
except errors.GenericError:
self.cfg.ReleaseDRBDMinors(self.instance.name)
raise
utils.FormatUnit(self.delta, "h"),
errors.ECODE_INVAL)
- if instance.disk_template not in (constants.DT_FILE,
- constants.DT_SHARED_FILE,
- constants.DT_RBD):
+ self._CheckDiskSpace(nodenames, self.disk.ComputeGrowth(self.delta))
+
+ def _CheckDiskSpace(self, nodenames, req_vgspace):
+ template = self.instance.disk_template
+ if template not in (constants.DTS_NO_FREE_SPACE_CHECK):
# TODO: check the free disk space for file, when that feature will be
# supported
- _CheckNodesFreeDiskPerVG(self, nodenames,
- self.disk.ComputeGrowth(self.delta))
+ nodes = map(self.cfg.GetNodeInfo, nodenames)
+ es_nodes = filter(lambda n: _IsExclusiveStorageEnabledNode(self.cfg, n),
+ nodes)
+ if es_nodes:
+ # With exclusive storage we need to something smarter than just looking
+ # at free space; for now, let's simply abort the operation.
+ raise errors.OpPrereqError("Cannot grow disks when exclusive_storage"
+ " is enabled", errors.ECODE_STATE)
+ _CheckNodesFreeDiskPerVG(self, nodenames, req_vgspace)
def Exec(self, feedback_fn):
"""Execute disk grow.
self.needed_locks[locking.LEVEL_NODEGROUP] = []
self.needed_locks[locking.LEVEL_NODE] = []
+ self.needed_locks[locking.LEVEL_NETWORK] = []
self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
def DeclareLocks(self, level):
if self.op.use_locking:
+ owned_instances = self.owned_locks(locking.LEVEL_INSTANCE)
if level == locking.LEVEL_NODEGROUP:
- owned_instances = self.owned_locks(locking.LEVEL_INSTANCE)
# Lock all groups used by instances optimistically; this requires going
# via the node before it's locked, requiring verification later on
elif level == locking.LEVEL_NODE:
self._LockInstancesNodes()
+ elif level == locking.LEVEL_NETWORK:
+ self.needed_locks[locking.LEVEL_NETWORK] = \
+ frozenset(net_uuid
+ for instance_name in owned_instances
+ for net_uuid in
+ self.cfg.GetInstanceNetworks(instance_name))
+
def CheckPrereq(self):
"""Check prerequisites.
owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP))
owned_nodes = frozenset(self.owned_locks(locking.LEVEL_NODE))
+ owned_networks = frozenset(self.owned_locks(locking.LEVEL_NETWORK))
if self.wanted_names is None:
assert self.op.use_locking, "Locking was not used"
_CheckInstancesNodeGroups(self.cfg, instances, owned_groups, owned_nodes,
None)
else:
- assert not (owned_instances or owned_groups or owned_nodes)
+ assert not (owned_instances or owned_groups or
+ owned_nodes or owned_networks)
self.wanted_instances = instances.values()
"children": dev_children,
"mode": dev.mode,
"size": dev.size,
+ "name": dev.name,
+ "uuid": dev.uuid,
}
def Exec(self, feedback_fn):
for node in nodes.values()))
group2name_fn = lambda uuid: groups[uuid].name
-
for instance in self.wanted_instances:
pnode = nodes[instance.primary_node]
return [(op, idx, params, fn()) for (op, idx, params) in mods]
+def GetItemFromContainer(identifier, kind, container):
+ """Return the item refered by the identifier.
+
+ @type identifier: string
+ @param identifier: Item index or name or UUID
+ @type kind: string
+ @param kind: One-word item description
+ @type container: list
+ @param container: Container to get the item from
+
+ """
+ # Index
+ try:
+ idx = int(identifier)
+ if idx == -1:
+ # Append
+ absidx = len(container) - 1
+ elif idx < 0:
+ raise IndexError("Not accepting negative indices other than -1")
+ elif idx > len(container):
+ raise IndexError("Got %s index %s, but there are only %s" %
+ (kind, idx, len(container)))
+ else:
+ absidx = idx
+ return (absidx, container[idx])
+ except ValueError:
+ pass
+
+ for idx, item in enumerate(container):
+ if item.uuid == identifier or item.name == identifier:
+ return (idx, item)
+
+ raise errors.OpPrereqError("Cannot find %s with identifier %s" %
+ (kind, identifier), errors.ECODE_NOENT)
+
+
#: Type description for changes as returned by L{ApplyContainerMods}'s
#: callbacks
_TApplyContModsCbChanges = \
item and private data object as added by L{PrepareContainerMods}
"""
- for (op, idx, params, private) in mods:
- if idx == -1:
- # Append
- absidx = len(container) - 1
- elif idx < 0:
- raise IndexError("Not accepting negative indices other than -1")
- elif idx > len(container):
- raise IndexError("Got %s index %s, but there are only %s" %
- (kind, idx, len(container)))
- else:
- absidx = idx
-
+ for (op, identifier, params, private) in mods:
changes = None
if op == constants.DDM_ADD:
# Calculate where item will be added
+ # When adding an item, identifier can only be an index
+ try:
+ idx = int(identifier)
+ except ValueError:
+ raise errors.OpPrereqError("Only possitive integer or -1 is accepted as"
+ " identifier for %s" % constants.DDM_ADD,
+ errors.ECODE_INVAL)
if idx == -1:
addidx = len(container)
else:
+ if idx < 0:
+ raise IndexError("Not accepting negative indices other than -1")
+ elif idx > len(container):
+ raise IndexError("Got %s index %s, but there are only %s" %
+ (kind, idx, len(container)))
addidx = idx
if create_fn is None:
container.insert(idx, item)
else:
# Retrieve existing item
- try:
- item = container[absidx]
- except IndexError:
- raise IndexError("Invalid %s index %s" % (kind, idx))
+ (absidx, item) = GetItemFromContainer(identifier, kind, container)
if op == constants.DDM_REMOVE:
assert not params
for (op, _, params) in mods:
assert ht.TDict(params)
- utils.ForceDictType(params, key_types)
+ # If 'key_types' is an empty dict, we assume we have an
+ # 'ext' template and thus do not ForceDictType
+ if key_types:
+ utils.ForceDictType(params, key_types)
if op == constants.DDM_REMOVE:
if params:
errors.ECODE_INVAL)
params[constants.IDISK_SIZE] = size
-
- elif op == constants.DDM_MODIFY and constants.IDISK_SIZE in params:
- raise errors.OpPrereqError("Disk size change not possible, use"
- " grow-disk", errors.ECODE_INVAL)
+ name = params.get(constants.IDISK_NAME, None)
+ if name is not None and name.lower() == constants.VALUE_NONE:
+ params[constants.IDISK_NAME] = None
+
+ elif op == constants.DDM_MODIFY:
+ if constants.IDISK_SIZE in params:
+ raise errors.OpPrereqError("Disk size change not possible, use"
+ " grow-disk", errors.ECODE_INVAL)
+ if len(params) > 2:
+ raise errors.OpPrereqError("Disk modification doesn't support"
+ " additional arbitrary parameters",
+ errors.ECODE_INVAL)
+ name = params.get(constants.IDISK_NAME, None)
+ if name is not None and name.lower() == constants.VALUE_NONE:
+ params[constants.IDISK_NAME] = None
@staticmethod
def _VerifyNicModification(op, params):
"""
if op in (constants.DDM_ADD, constants.DDM_MODIFY):
ip = params.get(constants.INIC_IP, None)
+ name = params.get(constants.INIC_NAME, None)
req_net = params.get(constants.INIC_NETWORK, None)
link = params.get(constants.NIC_LINK, None)
mode = params.get(constants.NIC_MODE, None)
+ if name is not None and name.lower() == constants.VALUE_NONE:
+ params[constants.INIC_NAME] = None
if req_net is not None:
if req_net.lower() == constants.VALUE_NONE:
params[constants.INIC_NETWORK] = None
def CheckArguments(self):
if not (self.op.nics or self.op.disks or self.op.disk_template or
self.op.hvparams or self.op.beparams or self.op.os_name or
- self.op.offline is not None or self.op.runtime_mem):
+ self.op.offline is not None or self.op.runtime_mem or
+ self.op.pnode):
raise errors.OpPrereqError("No changes submitted", errors.ECODE_INVAL)
if self.op.hvparams:
- _CheckGlobalHvParams(self.op.hvparams)
+ _CheckParamsNotGlobal(self.op.hvparams, constants.HVC_GLOBALS,
+ "hypervisor", "instance", "cluster")
self.op.disks = self._UpgradeDiskNicMods(
"disk", self.op.disks, opcodes.OpInstanceSetParams.TestDiskModifications)
self.op.nics = self._UpgradeDiskNicMods(
"NIC", self.op.nics, opcodes.OpInstanceSetParams.TestNicModifications)
- # Check disk modifications
- self._CheckMods("disk", self.op.disks, constants.IDISK_PARAMS_TYPES,
- self._VerifyDiskModification)
-
if self.op.disks and self.op.disk_template is not None:
raise errors.OpPrereqError("Disk template conversion and other disk"
" changes not supported at the same time",
self._CheckMods("NIC", self.op.nics, constants.INIC_PARAMS_TYPES,
self._VerifyNicModification)
+ if self.op.pnode:
+ self.op.pnode = _ExpandNodeName(self.cfg, self.op.pnode)
+
def ExpandNames(self):
self._ExpandAndLockInstance()
self.needed_locks[locking.LEVEL_NODEGROUP] = []
nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
return (nl, nl)
- def _PrepareNicModification(self, params, private, old_ip, old_net,
+ def _PrepareNicModification(self, params, private, old_ip, old_net_uuid,
old_params, cluster, pnode):
update_params_dict = dict([(key, params[key])
req_link = update_params_dict.get(constants.NIC_LINK, None)
req_mode = update_params_dict.get(constants.NIC_MODE, None)
- new_net = params.get(constants.INIC_NETWORK, old_net)
- if new_net is not None:
- netparams = self.cfg.GetGroupNetParams(new_net, pnode)
- if netparams is None:
+ new_net_uuid = None
+ new_net_uuid_or_name = params.get(constants.INIC_NETWORK, old_net_uuid)
+ if new_net_uuid_or_name:
+ new_net_uuid = self.cfg.LookupNetwork(new_net_uuid_or_name)
+ new_net_obj = self.cfg.GetNetwork(new_net_uuid)
+
+ if old_net_uuid:
+ old_net_obj = self.cfg.GetNetwork(old_net_uuid)
+
+ if new_net_uuid:
+ netparams = self.cfg.GetGroupNetParams(new_net_uuid, pnode)
+ if not netparams:
raise errors.OpPrereqError("No netparams found for the network"
- " %s, probably not connected" % new_net,
- errors.ECODE_INVAL)
+ " %s, probably not connected" %
+ new_net_obj.name, errors.ECODE_INVAL)
new_params = dict(netparams)
else:
new_params = _GetUpdatedParams(old_params, update_params_dict)
elif mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE):
# otherwise generate the MAC address
params[constants.INIC_MAC] = \
- self.cfg.GenerateMAC(new_net, self.proc.GetECId())
+ self.cfg.GenerateMAC(new_net_uuid, self.proc.GetECId())
else:
# or validate/reserve the current one
try:
raise errors.OpPrereqError("MAC address '%s' already in use"
" in cluster" % mac,
errors.ECODE_NOTUNIQUE)
- elif new_net != old_net:
-
- def get_net_prefix(net):
- if net:
- uuid = self.cfg.LookupNetwork(net)
- if uuid:
- nobj = self.cfg.GetNetwork(uuid)
- return nobj.mac_prefix
- return None
-
- new_prefix = get_net_prefix(new_net)
- old_prefix = get_net_prefix(old_net)
+ elif new_net_uuid != old_net_uuid:
+
+ def get_net_prefix(net_uuid):
+ mac_prefix = None
+ if net_uuid:
+ nobj = self.cfg.GetNetwork(net_uuid)
+ mac_prefix = nobj.mac_prefix
+
+ return mac_prefix
+
+ new_prefix = get_net_prefix(new_net_uuid)
+ old_prefix = get_net_prefix(old_net_uuid)
if old_prefix != new_prefix:
params[constants.INIC_MAC] = \
- self.cfg.GenerateMAC(new_net, self.proc.GetECId())
+ self.cfg.GenerateMAC(new_net_uuid, self.proc.GetECId())
- #if there is a change in nic-network configuration
+ # if there is a change in (ip, network) tuple
new_ip = params.get(constants.INIC_IP, old_ip)
- if (new_ip, new_net) != (old_ip, old_net):
+ if (new_ip, new_net_uuid) != (old_ip, old_net_uuid):
if new_ip:
- if new_net:
- if new_ip.lower() == constants.NIC_IP_POOL:
+ # if IP is pool then require a network and generate one IP
+ if new_ip.lower() == constants.NIC_IP_POOL:
+ if new_net_uuid:
try:
- new_ip = self.cfg.GenerateIp(new_net, self.proc.GetECId())
+ new_ip = self.cfg.GenerateIp(new_net_uuid, self.proc.GetECId())
except errors.ReservationError:
raise errors.OpPrereqError("Unable to get a free IP"
" from the address pool",
errors.ECODE_STATE)
- self.LogInfo("Chose IP %s from pool %s", new_ip, new_net)
+ self.LogInfo("Chose IP %s from network %s",
+ new_ip,
+ new_net_obj.name)
params[constants.INIC_IP] = new_ip
- elif new_ip != old_ip or new_net != old_net:
- try:
- self.LogInfo("Reserving IP %s in pool %s", new_ip, new_net)
- self.cfg.ReserveIp(new_net, new_ip, self.proc.GetECId())
- except errors.ReservationError:
- raise errors.OpPrereqError("IP %s not available in network %s" %
- (new_ip, new_net),
- errors.ECODE_NOTUNIQUE)
- elif new_ip.lower() == constants.NIC_IP_POOL:
- raise errors.OpPrereqError("ip=pool, but no network found",
- errors.ECODE_INVAL)
- else:
- # new net is None
- if self.op.conflicts_check:
- _CheckForConflictingIp(self, new_ip, pnode)
-
- if old_ip:
- if old_net:
+ else:
+ raise errors.OpPrereqError("ip=pool, but no network found",
+ errors.ECODE_INVAL)
+ # Reserve new IP if in the new network if any
+ elif new_net_uuid:
try:
- self.cfg.ReleaseIp(old_net, old_ip, self.proc.GetECId())
- except errors.AddressPoolError:
- logging.warning("Release IP %s not contained in network %s",
- old_ip, old_net)
+ self.cfg.ReserveIp(new_net_uuid, new_ip, self.proc.GetECId())
+ self.LogInfo("Reserving IP %s in network %s",
+ new_ip, new_net_obj.name)
+ except errors.ReservationError:
+ raise errors.OpPrereqError("IP %s not available in network %s" %
+ (new_ip, new_net_obj.name),
+ errors.ECODE_NOTUNIQUE)
+ # new network is None so check if new IP is a conflicting IP
+ elif self.op.conflicts_check:
+ _CheckForConflictingIp(self, new_ip, pnode)
+
+ # release old IP if old network is not None
+ if old_ip and old_net_uuid:
+ try:
+ self.cfg.ReleaseIp(old_net_uuid, old_ip, self.proc.GetECId())
+ except errors.AddressPoolError:
+ logging.warning("Release IP %s not contained in network %s",
+ old_ip, old_net_obj.name)
- # there are no changes in (net, ip) tuple
- elif (old_net is not None and
+ # there are no changes in (ip, network) tuple and old network is not None
+ elif (old_net_uuid is not None and
(req_link is not None or req_mode is not None)):
raise errors.OpPrereqError("Not allowed to change link or mode of"
" a NIC that is connected to a network",
private.params = new_params
private.filled = new_filled_params
+ def _PreCheckDiskTemplate(self, pnode_info):
+ """CheckPrereq checks related to a new disk template."""
+ # Arguments are passed to avoid configuration lookups
+ instance = self.instance
+ pnode = instance.primary_node
+ cluster = self.cluster
+ if instance.disk_template == self.op.disk_template:
+ raise errors.OpPrereqError("Instance already has disk template %s" %
+ instance.disk_template, errors.ECODE_INVAL)
+
+ if (instance.disk_template,
+ self.op.disk_template) not in self._DISK_CONVERSIONS:
+ raise errors.OpPrereqError("Unsupported disk template conversion from"
+ " %s to %s" % (instance.disk_template,
+ self.op.disk_template),
+ errors.ECODE_INVAL)
+ _CheckInstanceState(self, instance, INSTANCE_DOWN,
+ msg="cannot change disk template")
+ if self.op.disk_template in constants.DTS_INT_MIRROR:
+ if self.op.remote_node == pnode:
+ raise errors.OpPrereqError("Given new secondary node %s is the same"
+ " as the primary node of the instance" %
+ self.op.remote_node, errors.ECODE_STATE)
+ _CheckNodeOnline(self, self.op.remote_node)
+ _CheckNodeNotDrained(self, self.op.remote_node)
+ # FIXME: here we assume that the old instance type is DT_PLAIN
+ assert instance.disk_template == constants.DT_PLAIN
+ disks = [{constants.IDISK_SIZE: d.size,
+ constants.IDISK_VG: d.logical_id[0]}
+ for d in instance.disks]
+ required = _ComputeDiskSizePerVG(self.op.disk_template, disks)
+ _CheckNodesFreeDiskPerVG(self, [self.op.remote_node], required)
+
+ snode_info = self.cfg.GetNodeInfo(self.op.remote_node)
+ snode_group = self.cfg.GetNodeGroup(snode_info.group)
+ ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
+ snode_group)
+ _CheckTargetNodeIPolicy(self, ipolicy, instance, snode_info, self.cfg,
+ ignore=self.op.ignore_ipolicy)
+ if pnode_info.group != snode_info.group:
+ self.LogWarning("The primary and secondary nodes are in two"
+ " different node groups; the disk parameters"
+ " from the first disk's node group will be"
+ " used")
+
+ if not self.op.disk_template in constants.DTS_EXCL_STORAGE:
+ # Make sure none of the nodes require exclusive storage
+ nodes = [pnode_info]
+ if self.op.disk_template in constants.DTS_INT_MIRROR:
+ assert snode_info
+ nodes.append(snode_info)
+ has_es = lambda n: _IsExclusiveStorageEnabledNode(self.cfg, n)
+ if compat.any(map(has_es, nodes)):
+ errmsg = ("Cannot convert disk template from %s to %s when exclusive"
+ " storage is enabled" % (instance.disk_template,
+ self.op.disk_template))
+ raise errors.OpPrereqError(errmsg, errors.ECODE_STATE)
+
def CheckPrereq(self):
"""Check prerequisites.
"Cannot retrieve locked instance %s" % self.op.instance_name
pnode = instance.primary_node
+
+ self.warn = []
+
+ if (self.op.pnode is not None and self.op.pnode != pnode and
+ not self.op.force):
+ # verify that the instance is not up
+ instance_info = self.rpc.call_instance_info(pnode, instance.name,
+ instance.hypervisor)
+ if instance_info.fail_msg:
+ self.warn.append("Can't get instance runtime information: %s" %
+ instance_info.fail_msg)
+ elif instance_info.payload:
+ raise errors.OpPrereqError("Instance is still running on %s" % pnode,
+ errors.ECODE_STATE)
+
assert pnode in self.owned_locks(locking.LEVEL_NODE)
nodelist = list(instance.all_nodes)
pnode_info = self.cfg.GetNodeInfo(pnode)
# dictionary with instance information after the modification
ispec = {}
+ # Check disk modifications. This is done here and not in CheckArguments
+ # (as with NICs), because we need to know the instance's disk template
+ if instance.disk_template == constants.DT_EXT:
+ self._CheckMods("disk", self.op.disks, {},
+ self._VerifyDiskModification)
+ else:
+ self._CheckMods("disk", self.op.disks, constants.IDISK_PARAMS_TYPES,
+ self._VerifyDiskModification)
+
# Prepare disk/NIC modifications
self.diskmod = PrepareContainerMods(self.op.disks, None)
self.nicmod = PrepareContainerMods(self.op.nics, _InstNicModPrivate)
+ # Check the validity of the `provider' parameter
+ if instance.disk_template in constants.DT_EXT:
+ for mod in self.diskmod:
+ ext_provider = mod[2].get(constants.IDISK_PROVIDER, None)
+ if mod[0] == constants.DDM_ADD:
+ if ext_provider is None:
+ raise errors.OpPrereqError("Instance template is '%s' and parameter"
+ " '%s' missing, during disk add" %
+ (constants.DT_EXT,
+ constants.IDISK_PROVIDER),
+ errors.ECODE_NOENT)
+ elif mod[0] == constants.DDM_MODIFY:
+ if ext_provider:
+ raise errors.OpPrereqError("Parameter '%s' is invalid during disk"
+ " modification" %
+ constants.IDISK_PROVIDER,
+ errors.ECODE_INVAL)
+ else:
+ for mod in self.diskmod:
+ ext_provider = mod[2].get(constants.IDISK_PROVIDER, None)
+ if ext_provider is not None:
+ raise errors.OpPrereqError("Parameter '%s' is only valid for"
+ " instances of type '%s'" %
+ (constants.IDISK_PROVIDER,
+ constants.DT_EXT),
+ errors.ECODE_INVAL)
+
# OS change
if self.op.os_name and not self.op.force:
_CheckNodeHasOS(self, instance.primary_node, self.op.os_name,
"Can't modify disk template and apply disk changes at the same time"
if self.op.disk_template:
- if instance.disk_template == self.op.disk_template:
- raise errors.OpPrereqError("Instance already has disk template %s" %
- instance.disk_template, errors.ECODE_INVAL)
-
- if (instance.disk_template,
- self.op.disk_template) not in self._DISK_CONVERSIONS:
- raise errors.OpPrereqError("Unsupported disk template conversion from"
- " %s to %s" % (instance.disk_template,
- self.op.disk_template),
- errors.ECODE_INVAL)
- _CheckInstanceState(self, instance, INSTANCE_DOWN,
- msg="cannot change disk template")
- if self.op.disk_template in constants.DTS_INT_MIRROR:
- if self.op.remote_node == pnode:
- raise errors.OpPrereqError("Given new secondary node %s is the same"
- " as the primary node of the instance" %
- self.op.remote_node, errors.ECODE_STATE)
- _CheckNodeOnline(self, self.op.remote_node)
- _CheckNodeNotDrained(self, self.op.remote_node)
- # FIXME: here we assume that the old instance type is DT_PLAIN
- assert instance.disk_template == constants.DT_PLAIN
- disks = [{constants.IDISK_SIZE: d.size,
- constants.IDISK_VG: d.logical_id[0]}
- for d in instance.disks]
- required = _ComputeDiskSizePerVG(self.op.disk_template, disks)
- _CheckNodesFreeDiskPerVG(self, [self.op.remote_node], required)
-
- snode_info = self.cfg.GetNodeInfo(self.op.remote_node)
- snode_group = self.cfg.GetNodeGroup(snode_info.group)
- ipolicy = ganeti.masterd.instance.CalculateGroupIPolicy(cluster,
- snode_group)
- _CheckTargetNodeIPolicy(self, ipolicy, instance, snode_info,
- ignore=self.op.ignore_ipolicy)
- if pnode_info.group != snode_info.group:
- self.LogWarning("The primary and secondary nodes are in two"
- " different node groups; the disk parameters"
- " from the first disk's node group will be"
- " used")
+ self._PreCheckDiskTemplate(pnode_info)
# hvparams processing
if self.op.hvparams:
hv_new = cluster.SimpleFillHV(hv_type, instance.os, i_hvdict)
# local check
- hypervisor.GetHypervisor(hv_type).CheckParameterSyntax(hv_new)
+ hypervisor.GetHypervisorClass(hv_type).CheckParameterSyntax(hv_new)
_CheckHVParams(self, nodelist, instance.hypervisor, hv_new)
self.hv_proposed = self.hv_new = hv_new # the new actual values
self.hv_inst = i_hvdict # the new dict (without defaults)
else:
self.os_inst = {}
- self.warn = []
-
#TODO(dynmem): do the appropriate check involving MINMEM
if (constants.BE_MAXMEM in self.op.beparams and not self.op.force and
be_new[constants.BE_MAXMEM] > be_old[constants.BE_MAXMEM]):
instance_info = self.rpc.call_instance_info(pnode, instance.name,
instance.hypervisor)
nodeinfo = self.rpc.call_node_info(mem_check_list, None,
- [instance.hypervisor])
+ [instance.hypervisor], False)
pninfo = nodeinfo[pnode]
msg = pninfo.fail_msg
if msg:
" (%d), cannot add more" % constants.MAX_NICS,
errors.ECODE_STATE)
+ def _PrepareDiskMod(_, disk, params, __):
+ disk.name = params.get(constants.IDISK_NAME, None)
+
# Verify disk changes (operating on a copy)
- disks = instance.disks[:]
- ApplyContainerMods("disk", disks, None, self.diskmod, None, None, None)
+ disks = copy.deepcopy(instance.disks)
+ ApplyContainerMods("disk", disks, None, self.diskmod, None, _PrepareDiskMod,
+ None)
+ utils.ValidateDeviceNames("disk", disks)
if len(disks) > constants.MAX_DISKS:
raise errors.OpPrereqError("Instance has too many disks (%d), cannot add"
" more" % constants.MAX_DISKS,
nics = [nic.Copy() for nic in instance.nics]
ApplyContainerMods("NIC", nics, self._nic_chgdesc, self.nicmod,
self._CreateNewNic, self._ApplyNicMods, None)
+ # Verify that NIC names are unique and valid
+ utils.ValidateDeviceNames("NIC", nics)
self._new_nics = nics
ispec[constants.ISPEC_NIC_COUNT] = len(self._new_nics)
else:
None)
# Copy ispec to verify parameters with min/max values separately
+ if self.op.disk_template:
+ new_disk_template = self.op.disk_template
+ else:
+ new_disk_template = instance.disk_template
ispec_max = ispec.copy()
ispec_max[constants.ISPEC_MEM_SIZE] = \
self.be_new.get(constants.BE_MAXMEM, None)
- res_max = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec_max)
+ res_max = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec_max,
+ new_disk_template)
ispec_min = ispec.copy()
ispec_min[constants.ISPEC_MEM_SIZE] = \
self.be_new.get(constants.BE_MINMEM, None)
- res_min = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec_min)
+ res_min = _ComputeIPolicyInstanceSpecViolation(ipolicy, ispec_min,
+ new_disk_template)
if (res_max or res_min):
# FIXME: Improve error message by including information about whether
# create a fake disk info for _GenerateDiskTemplate
disk_info = [{constants.IDISK_SIZE: d.size, constants.IDISK_MODE: d.mode,
- constants.IDISK_VG: d.logical_id[0]}
+ constants.IDISK_VG: d.logical_id[0],
+ constants.IDISK_NAME: d.name}
for d in instance.disks]
new_disks = _GenerateDiskTemplate(self, self.op.disk_template,
instance.name, pnode, [snode],
self.diskparams)
anno_disks = rpc.AnnotateDiskParams(constants.DT_DRBD8, new_disks,
self.diskparams)
+ p_excl_stor = _IsExclusiveStorageEnabledNodeName(self.cfg, pnode)
+ s_excl_stor = _IsExclusiveStorageEnabledNodeName(self.cfg, snode)
info = _GetInstanceInfoText(instance)
feedback_fn("Creating additional volumes...")
# first, create the missing data and meta devices
for disk in anno_disks:
# unfortunately this is... not too nice
_CreateSingleBlockDev(self, pnode, instance, disk.children[1],
- info, True)
+ info, True, p_excl_stor)
for child in disk.children:
- _CreateSingleBlockDev(self, snode, instance, child, info, True)
+ _CreateSingleBlockDev(self, snode, instance, child, info, True,
+ s_excl_stor)
# at this stage, all new LVs have been created, we can rename the
# old ones
feedback_fn("Renaming original volumes...")
feedback_fn("Initializing DRBD devices...")
# all child devices are in place, we can now create the DRBD devices
for disk in anno_disks:
- for node in [pnode, snode]:
+ for (node, excl_stor) in [(pnode, p_excl_stor), (snode, s_excl_stor)]:
f_create = node == pnode
- _CreateSingleBlockDev(self, node, instance, disk, info, f_create)
+ _CreateSingleBlockDev(self, node, instance, disk, info, f_create,
+ excl_stor)
# at this point, the instance has been modified
instance.disk_template = constants.DT_DRBD8
old_disks = _AnnotateDiskParams(instance, instance.disks, self.cfg)
new_disks = [d.children[0] for d in instance.disks]
- # copy over size and mode
+ # copy over size, mode and name
for parent, child in zip(old_disks, new_disks):
child.size = parent.size
child.mode = parent.mode
+ child.name = parent.name
# this is a DRBD disk, return its port to the pool
# NOTE: this must be done right before the call to cfg.Update!
# update instance structure
instance.disks = new_disks
instance.disk_template = constants.DT_PLAIN
+ _UpdateIvNames(0, instance.disks)
self.cfg.Update(instance, feedback_fn)
# Release locks in case removing disks takes a while
self.LogWarning("Failed to create volume %s (%s) on node '%s': %s",
disk.iv_name, disk, node, err)
+ if self.cluster.prealloc_wipe_disks:
+ # Wipe new disk
+ _WipeDisks(self, instance,
+ disks=[(idx, disk, 0)])
+
return (disk, [
("disk/%d" % idx, "add:size=%s,mode=%s" % (disk.size, disk.mode)),
])
"""Modifies a disk.
"""
- disk.mode = params[constants.IDISK_MODE]
+ changes = []
+ mode = params.get(constants.IDISK_MODE, None)
+ if mode:
+ disk.mode = mode
+ changes.append(("disk.mode/%d" % idx, disk.mode))
- return [
- ("disk.mode/%d" % idx, disk.mode),
- ]
+ name = params.get(constants.IDISK_NAME, None)
+ disk.name = name
+ changes.append(("disk.name/%d" % idx, disk.name))
+
+ return changes
def _RemoveDisk(self, idx, root, _):
"""Removes a disk.
if root.dev_type in constants.LDS_DRBD:
self.cfg.AddTcpUdpPort(root.logical_id[2])
- @staticmethod
- def _CreateNewNic(idx, params, private):
+ def _CreateNewNic(self, idx, params, private):
"""Creates data structure for a new network interface.
"""
mac = params[constants.INIC_MAC]
ip = params.get(constants.INIC_IP, None)
net = params.get(constants.INIC_NETWORK, None)
+ name = params.get(constants.INIC_NAME, None)
+ net_uuid = self.cfg.LookupNetwork(net)
#TODO: not private.filled?? can a nic have no nicparams??
nicparams = private.filled
+ nobj = objects.NIC(mac=mac, ip=ip, network=net_uuid, name=name,
+ nicparams=nicparams)
+ nobj.uuid = self.cfg.GenerateUniqueID(self.proc.GetECId())
- return (objects.NIC(mac=mac, ip=ip, network=net, nicparams=nicparams), [
+ return (nobj, [
("nic.%d" % idx,
"add:mac=%s,ip=%s,mode=%s,link=%s,network=%s" %
(mac, ip, private.filled[constants.NIC_MODE],
net)),
])
- @staticmethod
- def _ApplyNicMods(idx, nic, params, private):
+ def _ApplyNicMods(self, idx, nic, params, private):
"""Modifies a network interface.
"""
changes = []
- for key in [constants.INIC_MAC, constants.INIC_IP, constants.INIC_NETWORK]:
+ for key in [constants.INIC_MAC, constants.INIC_IP, constants.INIC_NAME]:
if key in params:
changes.append(("nic.%s/%d" % (key, idx), params[key]))
setattr(nic, key, params[key])
+ new_net = params.get(constants.INIC_NETWORK, nic.network)
+ new_net_uuid = self.cfg.LookupNetwork(new_net)
+ if new_net_uuid != nic.network:
+ changes.append(("nic.network/%d" % idx, new_net))
+ nic.network = new_net_uuid
+
if private.filled:
nic.nicparams = private.filled
result = []
instance = self.instance
+ # New primary node
+ if self.op.pnode:
+ instance.primary_node = self.op.pnode
+
# runtime memory
if self.op.runtime_mem:
rpcres = self.rpc.call_instance_balloon_memory(instance.primary_node,
violations = \
_ComputeNewInstanceViolations(gmi.CalculateGroupIPolicy(cluster,
self.group),
- new_ipolicy, instances)
+ new_ipolicy, instances, self.cfg)
if violations:
self.LogWarning("After the ipolicy change the following instances"
nics=self.op.nics,
vcpus=self.op.vcpus,
spindle_use=self.op.spindle_use,
- hypervisor=self.op.hypervisor)
+ hypervisor=self.op.hypervisor,
+ node_whitelist=None)
elif self.op.mode == constants.IALLOCATOR_MODE_RELOC:
req = iallocator.IAReqRelocate(name=self.op.name,
relocate_from=list(self.relocate_from))
raise errors.OpPrereqError("Network must be given",
errors.ECODE_INVAL)
- uuid = self.cfg.LookupNetwork(self.op.network_name)
-
- if uuid:
- raise errors.OpPrereqError("Network '%s' already defined" %
- self.op.network, errors.ECODE_EXISTS)
+ try:
+ existing_uuid = self.cfg.LookupNetwork(self.op.network_name)
+ except errors.OpPrereqError:
+ pass
+ else:
+ raise errors.OpPrereqError("Desired network name '%s' already exists as a"
+ " network (UUID: %s)" %
+ (self.op.network_name, existing_uuid),
+ errors.ECODE_EXISTS)
# Check tag validity
for tag in self.op.tags:
"network6": self.op.network6,
"gateway6": self.op.gateway6,
"mac_prefix": self.op.mac_prefix,
- "network_type": self.op.network_type,
"tags": self.op.tags,
}
return _BuildNetworkHookEnv(**args) # pylint: disable=W0142
network6=self.op.network6,
gateway6=self.op.gateway6,
mac_prefix=self.op.mac_prefix,
- network_type=self.op.network_type,
- uuid=self.network_uuid,
- family=constants.IP4_VERSION)
+ uuid=self.network_uuid)
# Initialize the associated address pool
try:
pool = network.AddressPool.InitializeNetwork(nobj)
- except errors.AddressPoolError, e:
- raise errors.OpExecError("Cannot create IP pool for this network. %s" % e)
+ except errors.AddressPoolError, err:
+ raise errors.OpExecError("Cannot create IP address pool for network"
+ " '%s': %s" % (self.op.network_name, err))
# Check if we need to reserve the nodes and the cluster master IP
# These may not be allocated to any instances in routed mode, as
pool.Reserve(ip)
self.LogInfo("Reserved IP address of node '%s' (%s)",
node.name, ip)
- except errors.AddressPoolError:
- self.LogWarning("Cannot reserve IP address of node '%s' (%s)",
- node.name, ip)
+ except errors.AddressPoolError, err:
+ self.LogWarning("Cannot reserve IP address '%s' of node '%s': %s",
+ ip, node.name, err)
master_ip = self.cfg.GetClusterInfo().master_ip
try:
if pool.Contains(master_ip):
pool.Reserve(master_ip)
self.LogInfo("Reserved cluster master IP address (%s)", master_ip)
- except errors.AddressPoolError:
- self.LogWarning("Cannot reserve cluster master IP address (%s)",
- master_ip)
+ except errors.AddressPoolError, err:
+ self.LogWarning("Cannot reserve cluster master IP address (%s): %s",
+ master_ip, err)
if self.op.add_reserved_ips:
for ip in self.op.add_reserved_ips:
try:
pool.Reserve(ip, external=True)
- except errors.AddressPoolError, e:
- raise errors.OpExecError("Cannot reserve IP %s. %s " % (ip, e))
+ except errors.AddressPoolError, err:
+ raise errors.OpExecError("Cannot reserve IP address '%s': %s" %
+ (ip, err))
if self.op.tags:
for tag in self.op.tags:
def ExpandNames(self):
self.network_uuid = self.cfg.LookupNetwork(self.op.network_name)
- if not self.network_uuid:
- raise errors.OpPrereqError(("Network '%s' not found" %
- self.op.network_name),
- errors.ECODE_INVAL)
-
self.share_locks[locking.LEVEL_NODEGROUP] = 1
self.needed_locks = {
locking.LEVEL_NETWORK: [self.network_uuid],
def ExpandNames(self):
self.network_uuid = self.cfg.LookupNetwork(self.op.network_name)
- if self.network_uuid is None:
- raise errors.OpPrereqError(("Network '%s' not found" %
- self.op.network_name),
- errors.ECODE_INVAL)
self.needed_locks = {
locking.LEVEL_NETWORK: [self.network_uuid],
"""
self.network = self.cfg.GetNetwork(self.network_uuid)
self.gateway = self.network.gateway
- self.network_type = self.network.network_type
self.mac_prefix = self.network.mac_prefix
self.network6 = self.network.network6
self.gateway6 = self.network.gateway6
else:
self.gateway = self.op.gateway
if self.pool.IsReserved(self.gateway):
- raise errors.OpPrereqError("%s is already reserved" %
- self.gateway, errors.ECODE_INVAL)
-
- if self.op.network_type:
- if self.op.network_type == constants.VALUE_NONE:
- self.network_type = None
- else:
- self.network_type = self.op.network_type
+ raise errors.OpPrereqError("Gateway IP address '%s' is already"
+ " reserved" % self.gateway,
+ errors.ECODE_STATE)
if self.op.mac_prefix:
if self.op.mac_prefix == constants.VALUE_NONE:
"network6": self.network6,
"gateway6": self.gateway6,
"mac_prefix": self.mac_prefix,
- "network_type": self.network_type,
"tags": self.tags,
}
return _BuildNetworkHookEnv(**args) # pylint: disable=W0142
if self.op.gateway6:
self.network.gateway6 = self.gateway6
- if self.op.network_type:
- self.network.network_type = self.network_type
-
self.pool.Validate()
self.cfg.Update(self.network, feedback_fn)
def ExpandNames(self, lu):
lu.needed_locks = {}
+ lu.share_locks = _ShareAll()
- self._all_networks = lu.cfg.GetAllNetworksInfo()
- name_to_uuid = dict((n.name, n.uuid) for n in self._all_networks.values())
+ self.do_locking = self.use_locking
- if not self.names:
- self.wanted = [name_to_uuid[name]
- for name in utils.NiceSort(name_to_uuid.keys())]
- else:
- # Accept names to be either names or UUIDs.
+ all_networks = lu.cfg.GetAllNetworksInfo()
+ name_to_uuid = dict((n.name, n.uuid) for n in all_networks.values())
+
+ if self.names:
missing = []
self.wanted = []
- all_uuid = frozenset(self._all_networks.keys())
for name in self.names:
- if name in all_uuid:
- self.wanted.append(name)
- elif name in name_to_uuid:
+ if name in name_to_uuid:
self.wanted.append(name_to_uuid[name])
else:
missing.append(name)
if missing:
raise errors.OpPrereqError("Some networks do not exist: %s" % missing,
errors.ECODE_NOENT)
+ else:
+ self.wanted = locking.ALL_SET
+
+ if self.do_locking:
+ lu.needed_locks[locking.LEVEL_NETWORK] = self.wanted
+ if query.NETQ_INST in self.requested_data:
+ lu.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
+ if query.NETQ_GROUP in self.requested_data:
+ lu.needed_locks[locking.LEVEL_NODEGROUP] = locking.ALL_SET
def DeclareLocks(self, lu, level):
pass
"""Computes the list of networks and their attributes.
"""
+ all_networks = lu.cfg.GetAllNetworksInfo()
+
+ network_uuids = self._GetNames(lu, all_networks.keys(),
+ locking.LEVEL_NETWORK)
+
do_instances = query.NETQ_INST in self.requested_data
- do_groups = do_instances or (query.NETQ_GROUP in self.requested_data)
- do_stats = query.NETQ_STATS in self.requested_data
+ do_groups = query.NETQ_GROUP in self.requested_data
- network_to_groups = None
network_to_instances = None
- stats = None
+ network_to_groups = None
# For NETQ_GROUP, we need to map network->[groups]
if do_groups:
all_groups = lu.cfg.GetAllNodeGroupsInfo()
- network_to_groups = dict((uuid, []) for uuid in self.wanted)
+ network_to_groups = dict((uuid, []) for uuid in network_uuids)
+ for _, group in all_groups.iteritems():
+ for net_uuid in network_uuids:
+ netparams = group.networks.get(net_uuid, None)
+ if netparams:
+ info = (group.name, netparams[constants.NIC_MODE],
+ netparams[constants.NIC_LINK])
- if do_instances:
- all_instances = lu.cfg.GetAllInstancesInfo()
- all_nodes = lu.cfg.GetAllNodesInfo()
- network_to_instances = dict((uuid, []) for uuid in self.wanted)
-
- for group in all_groups.values():
- if do_instances:
- group_nodes = [node.name for node in all_nodes.values() if
- node.group == group.uuid]
- group_instances = [instance for instance in all_instances.values()
- if instance.primary_node in group_nodes]
-
- for net_uuid in group.networks.keys():
- if net_uuid in network_to_groups:
- netparams = group.networks[net_uuid]
- mode = netparams[constants.NIC_MODE]
- link = netparams[constants.NIC_LINK]
- info = group.name + "(" + mode + ", " + link + ")"
network_to_groups[net_uuid].append(info)
- if do_instances:
- for instance in group_instances:
- for nic in instance.nics:
- if nic.network == self._all_networks[net_uuid].name:
- network_to_instances[net_uuid].append(instance.name)
- break
-
- if do_stats:
- stats = {}
- for uuid, net in self._all_networks.items():
- if uuid in self.wanted:
- pool = network.AddressPool(net)
- stats[uuid] = {
- "free_count": pool.GetFreeCount(),
- "reserved_count": pool.GetReservedCount(),
- "map": pool.GetMap(),
- "external_reservations":
- utils.CommaJoin(pool.GetExternalReservations()),
- }
-
- return query.NetworkQueryData([self._all_networks[uuid]
- for uuid in self.wanted],
+ if do_instances:
+ all_instances = lu.cfg.GetAllInstancesInfo()
+ network_to_instances = dict((uuid, []) for uuid in network_uuids)
+ for instance in all_instances.values():
+ for nic in instance.nics:
+ if nic.network in network_uuids:
+ network_to_instances[nic.network].append(instance.name)
+ break
+
+ if query.NETQ_STATS in self.requested_data:
+ stats = \
+ dict((uuid,
+ self._GetStats(network.AddressPool(all_networks[uuid])))
+ for uuid in network_uuids)
+ else:
+ stats = None
+
+ return query.NetworkQueryData([all_networks[uuid]
+ for uuid in network_uuids],
network_to_groups,
network_to_instances,
stats)
+ @staticmethod
+ def _GetStats(pool):
+ """Returns statistics for a network address pool.
+
+ """
+ return {
+ "free_count": pool.GetFreeCount(),
+ "reserved_count": pool.GetReservedCount(),
+ "map": pool.GetMap(),
+ "external_reservations":
+ utils.CommaJoin(pool.GetExternalReservations()),
+ }
+
class LUNetworkQuery(NoHooksLU):
"""Logical unit for querying networks.
def CheckArguments(self):
self.nq = _NetworkQuery(qlang.MakeSimpleFilter("name", self.op.names),
- self.op.output_fields, False)
+ self.op.output_fields, self.op.use_locking)
def ExpandNames(self):
self.nq.ExpandNames(self)
self.network_link = self.op.network_link
self.network_uuid = self.cfg.LookupNetwork(self.network_name)
- if self.network_uuid is None:
- raise errors.OpPrereqError("Network %s does not exist" %
- self.network_name, errors.ECODE_INVAL)
-
self.group_uuid = self.cfg.LookupNodeGroup(self.group_name)
- if self.group_uuid is None:
- raise errors.OpPrereqError("Group %s does not exist" %
- self.group_name, errors.ECODE_INVAL)
self.needed_locks = {
locking.LEVEL_INSTANCE: [],
assert self.group_uuid in owned_groups
- l = lambda value: utils.CommaJoin("%s: %s/%s" % (i[0], i[1], i[2])
- for i in value)
+ # Check if locked instances are still correct
+ owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
+ if self.op.conflicts_check:
+ _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
self.netparams = {
constants.NIC_MODE: self.network_mode,
self.LogWarning("Network '%s' is already mapped to group '%s'" %
(self.network_name, self.group.name))
self.connected = True
- return
- if self.op.conflicts_check:
- # Check if locked instances are still correct
- owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
- _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
+ # check only if not already connected
+ elif self.op.conflicts_check:
+ pool = network.AddressPool(self.cfg.GetNetwork(self.network_uuid))
- nobj = self.cfg.GetNetwork(self.network_uuid)
- pool = network.AddressPool(nobj)
- conflicting_instances = []
-
- for (_, instance) in self.cfg.GetMultiInstanceInfo(owned_instances):
- for idx, nic in enumerate(instance.nics):
- if pool.Contains(nic.ip):
- conflicting_instances.append((instance.name, idx, nic.ip))
-
- if conflicting_instances:
- self.LogWarning("Following occurences use IPs from network %s"
- " that is about to connect to nodegroup %s: %s" %
- (self.network_name, self.group.name,
- l(conflicting_instances)))
- raise errors.OpPrereqError("Conflicting IPs found."
- " Please remove/modify"
- " corresponding NICs",
- errors.ECODE_INVAL)
+ _NetworkConflictCheck(self, lambda nic: pool.Contains(nic.ip),
+ "connect to", owned_instances)
def Exec(self, feedback_fn):
- if self.connected:
- return
+ # Connect the network and update the group only if not already connected
+ if not self.connected:
+ self.group.networks[self.network_uuid] = self.netparams
+ self.cfg.Update(self.group, feedback_fn)
- self.group.networks[self.network_uuid] = self.netparams
- self.cfg.Update(self.group, feedback_fn)
+
+def _NetworkConflictCheck(lu, check_fn, action, instances):
+ """Checks for network interface conflicts with a network.
+
+ @type lu: L{LogicalUnit}
+ @type check_fn: callable receiving one parameter (L{objects.NIC}) and
+ returning boolean
+ @param check_fn: Function checking for conflict
+ @type action: string
+ @param action: Part of error message (see code)
+ @raise errors.OpPrereqError: If conflicting IP addresses are found.
+
+ """
+ conflicts = []
+
+ for (_, instance) in lu.cfg.GetMultiInstanceInfo(instances):
+ instconflicts = [(idx, nic.ip)
+ for (idx, nic) in enumerate(instance.nics)
+ if check_fn(nic)]
+
+ if instconflicts:
+ conflicts.append((instance.name, instconflicts))
+
+ if conflicts:
+ lu.LogWarning("IP addresses from network '%s', which is about to %s"
+ " node group '%s', are in use: %s" %
+ (lu.network_name, action, lu.group.name,
+ utils.CommaJoin(("%s: %s" %
+ (name, _FmtNetworkConflict(details)))
+ for (name, details) in conflicts)))
+
+ raise errors.OpPrereqError("Conflicting IP addresses found; "
+ " remove/modify the corresponding network"
+ " interfaces", errors.ECODE_STATE)
+
+
+def _FmtNetworkConflict(details):
+ """Utility for L{_NetworkConflictCheck}.
+
+ """
+ return utils.CommaJoin("nic%s/%s" % (idx, ipaddr)
+ for (idx, ipaddr) in details)
class LUNetworkDisconnect(LogicalUnit):
self.group_name = self.op.group_name
self.network_uuid = self.cfg.LookupNetwork(self.network_name)
- if self.network_uuid is None:
- raise errors.OpPrereqError("Network %s does not exist" %
- self.network_name, errors.ECODE_INVAL)
-
self.group_uuid = self.cfg.LookupNodeGroup(self.group_name)
- if self.group_uuid is None:
- raise errors.OpPrereqError("Group %s does not exist" %
- self.group_name, errors.ECODE_INVAL)
self.needed_locks = {
locking.LEVEL_INSTANCE: [],
# Lock instances optimistically, needs verification once group lock has
# been acquired
- if self.op.conflicts_check:
- self.needed_locks[locking.LEVEL_INSTANCE] = \
- self.cfg.GetNodeGroupInstances(self.group_uuid)
+ self.needed_locks[locking.LEVEL_INSTANCE] = \
+ self.cfg.GetNodeGroupInstances(self.group_uuid)
def BuildHooksEnv(self):
ret = {
assert self.group_uuid in owned_groups
- l = lambda value: utils.CommaJoin("%s: %s/%s" % (i[0], i[1], i[2])
- for i in value)
+ # Check if locked instances are still correct
+ owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
+ _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
self.group = self.cfg.GetNodeGroup(self.group_uuid)
self.connected = True
self.LogWarning("Network '%s' is not mapped to group '%s'",
self.network_name, self.group.name)
self.connected = False
- return
-
- if self.op.conflicts_check:
- # Check if locked instances are still correct
- owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE))
- _CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances)
- conflicting_instances = []
-
- for (_, instance) in self.cfg.GetMultiInstanceInfo(owned_instances):
- for idx, nic in enumerate(instance.nics):
- if nic.network == self.network_name:
- conflicting_instances.append((instance.name, idx, nic.ip))
-
- if conflicting_instances:
- self.LogWarning("Following occurences use IPs from network %s"
- " that is about to disconnected from the nodegroup"
- " %s: %s" %
- (self.network_name, self.group.name,
- l(conflicting_instances)))
- raise errors.OpPrereqError("Conflicting IPs."
- " Please remove/modify"
- " corresponding NICS",
- errors.ECODE_INVAL)
+ # We need this check only if network is not already connected
+ else:
+ _NetworkConflictCheck(self, lambda nic: nic.network == self.network_uuid,
+ "disconnect from", owned_instances)
def Exec(self, feedback_fn):
- if not self.connected:
- return
-
- del self.group.networks[self.network_uuid]
- self.cfg.Update(self.group, feedback_fn)
+ # Disconnect the network and update the group only if network is connected
+ if self.connected:
+ del self.group.networks[self.network_uuid]
+ self.cfg.Update(self.group, feedback_fn)
#: Query type implementations
constants.QR_GROUP: _GroupQuery,
constants.QR_NETWORK: _NetworkQuery,
constants.QR_OS: _OsQuery,
+ constants.QR_EXTSTORAGE: _ExtStorageQuery,
constants.QR_EXPORT: _ExportQuery,
}
def _CheckForConflictingIp(lu, ip, node):
- """In case of conflicting ip raise error.
+ """In case of conflicting IP address raise error.
@type ip: string
- @param ip: ip address
+ @param ip: IP address
@type node: string
@param node: node name
"""
(conf_net, _) = lu.cfg.CheckIPInNodeGroup(ip, node)
if conf_net is not None:
- raise errors.OpPrereqError("Conflicting IP found:"
- " %s <> %s." % (ip, conf_net),
- errors.ECODE_INVAL)
+ raise errors.OpPrereqError(("Conflicting IP address found: '%s' != '%s'" %
+ (ip, conf_net)),
+ errors.ECODE_STATE)
return (None, None)
projects / ganeti-local / blobdiff