import os.path
import time
import re
-import platform
import logging
import copy
import OpenSSL
from ganeti import opcodes
from ganeti import ht
from ganeti import rpc
+from ganeti import runtime
import ganeti.masterd.instance # pylint: disable=W0611
})
+def _CheckInstancesNodeGroups(cfg, instances, owned_groups, owned_nodes,
+ cur_group_uuid):
+ """Checks if node groups for locked instances are still correct.
+
+ @type cfg: L{config.ConfigWriter}
+ @param cfg: Cluster configuration
+ @type instances: dict; string as key, L{objects.Instance} as value
+ @param instances: Dictionary, instance name as key, instance object as value
+ @type owned_groups: iterable of string
+ @param owned_groups: List of owned groups
+ @type owned_nodes: iterable of string
+ @param owned_nodes: List of owned nodes
+ @type cur_group_uuid: string or None
+ @param cur_group_uuid: Optional group UUID to check against instance's groups
+
+ """
+ for (name, inst) in instances.items():
+ assert owned_nodes.issuperset(inst.all_nodes), \
+ "Instance %s's nodes changed while we kept the lock" % name
+
+ inst_groups = _CheckInstanceNodeGroups(cfg, name, owned_groups)
+
+ assert cur_group_uuid is None or cur_group_uuid in inst_groups, \
+ "Instance %s has no node in group %s" % (name, cur_group_uuid)
+
+
def _CheckInstanceNodeGroups(cfg, instance_name, owned_groups):
"""Checks if the owned node groups are still correct for an instance.
"""
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_USAGE, None)
+ spindle_use = instance.beparams.get(constants.BE_SPINDLE_USE, None)
disk_count = len(instance.disks)
disk_sizes = [disk.size for disk in instance.disks]
nic_count = len(instance.nics)
"""Verifies the cluster config.
"""
- REQ_BGL = True
+ REQ_BGL = False
def _VerifyHVP(self, hvp_data):
"""Verifies locally the syntax of the hypervisor parameters.
self._ErrorIf(True, constants.CV_ECLUSTERCFG, None, msg % str(err))
def ExpandNames(self):
- # Information can be safely retrieved as the BGL is acquired in exclusive
- # mode
- assert locking.BGL in self.owned_locks(locking.LEVEL_CLUSTER)
+ self.needed_locks = dict.fromkeys(locking.LEVELS, locking.ALL_SET)
+ self.share_locks = _ShareAll()
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ """
+ # Retrieve all information
self.all_group_info = self.cfg.GetAllNodeGroupsInfo()
self.all_node_info = self.cfg.GetAllNodesInfo()
self.all_inst_info = self.cfg.GetAllInstancesInfo()
- self.needed_locks = {}
def Exec(self, feedback_fn):
"""Verify integrity of cluster, performing various test on nodes.
self.instances = dict(self.cfg.GetMultiInstanceInfo(owned_instances))
# Check if node groups for locked instances are still correct
- for (instance_name, inst) in self.instances.items():
- assert owned_nodes.issuperset(inst.all_nodes), \
- "Instance %s's nodes changed while we kept the lock" % instance_name
-
- inst_groups = _CheckInstanceNodeGroups(self.cfg, instance_name,
- owned_groups)
-
- assert self.group_uuid in inst_groups, \
- "Instance %s has no node in group %s" % (instance_name, self.group_uuid)
+ _CheckInstancesNodeGroups(self.cfg, self.instances,
+ owned_groups, owned_nodes, self.group_uuid)
def Exec(self, feedback_fn):
"""Verify integrity of cluster disks.
"""Logical unit for OOB handling.
"""
- REG_BGL = False
+ REQ_BGL = False
_SKIP_MASTER = (constants.OOB_POWER_OFF, constants.OOB_POWER_CYCLE)
def ExpandNames(self):
if self.op.disk_state:
self.new_disk_state = _MergeAndVerifyDiskState(self.op.disk_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]
+ 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",
+ node, result.payload)
+ else:
+ raise errors.OpPrereqError("Version mismatch master version %s,"
+ " node version %s" %
+ (constants.PROTOCOL_VERSION, result.payload),
+ errors.ECODE_ENVIRON)
+
def Exec(self, feedback_fn):
"""Adds the new node to the cluster.
if self.op.disk_state:
new_node.disk_state_static = self.new_disk_state
- # check connectivity
- result = self.rpc.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",
- node, result.payload)
- else:
- raise errors.OpExecError("Version mismatch master version %s,"
- " node version %s" %
- (constants.PROTOCOL_VERSION, result.payload))
-
# Add node to our /etc/hosts, and add key to known_hosts
if self.cfg.GetClusterInfo().modify_etc_hosts:
master_node = self.cfg.GetMasterNode()
if old_role == self._ROLE_OFFLINE and new_role != old_role:
# Trying to transition out of offline status
- # TODO: Use standard RPC runner, but make sure it works when the node is
- # still marked offline
- result = rpc.BootstrapRunner().call_version([node.name])[node.name]
+ result = self.rpc.call_version([node.name])[node.name]
if result.fail_msg:
raise errors.OpPrereqError("Node %s is being de-offlined but fails"
" to report its version: %s" %
"config_version": constants.CONFIG_VERSION,
"os_api_version": max(constants.OS_API_VERSIONS),
"export_version": constants.EXPORT_VERSION,
- "architecture": (platform.architecture()[0], platform.machine()),
+ "architecture": runtime.GetArchInfo(),
"name": cluster.cluster_name,
"master": cluster.master_node,
"default_hypervisor": cluster.primary_hypervisor,
"""
logging.info("Removing block devices for instance %s", instance.name)
- if not _RemoveDisks(lu, instance):
+ if not _RemoveDisks(lu, instance, ignore_failures=ignore_failures):
if not ignore_failures:
raise errors.OpExecError("Can't remove instance's disks")
feedback_fn("Warning: can't remove instance's disks")
ial = IAllocator(self.cfg, self.rpc,
mode=constants.IALLOCATOR_MODE_RELOC,
name=self.instance_name,
- # TODO See why hail breaks with a single node below
- relocate_from=[self.instance.primary_node,
- self.instance.primary_node],
+ relocate_from=[self.instance.primary_node],
)
ial.Run(self.lu.op.iallocator)
_CreateBlockDev(lu, node, instance, device, f_create, info, f_create)
-def _RemoveDisks(lu, instance, target_node=None):
+def _RemoveDisks(lu, instance, target_node=None, ignore_failures=False):
"""Remove all disks for an instance.
This abstracts away some work from `AddInstance()` and
logging.info("Removing block devices for instance %s", instance.name)
all_result = True
+ ports_to_release = set()
for (idx, device) in enumerate(instance.disks):
if target_node:
edata = [(target_node, device)]
# if this is a DRBD disk, return its port to the pool
if device.dev_type in constants.LDS_DRBD:
- tcp_port = device.logical_id[2]
- lu.cfg.AddTcpUdpPort(tcp_port)
+ ports_to_release.add(device.logical_id[2])
+
+ if all_result or ignore_failures:
+ for port in ports_to_release:
+ lu.cfg.AddTcpUdpPort(port)
if instance.disk_template == constants.DT_FILE:
file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1])
os=self.op.os_type,
vcpus=self.be_full[constants.BE_VCPUS],
memory=self.be_full[constants.BE_MAXMEM],
- spindle_usage=self.be_full[constants.BE_SPINDLE_USAGE],
+ spindle_use=self.be_full[constants.BE_SPINDLE_USE],
disks=self.disks,
nics=nics,
hypervisor=self.op.hypervisor,
nodenames = [pnode.name] + self.secondaries
# Verify instance specs
- spindle_use = self.be_full.get(constants.BE_SPINDLE_USAGE, None)
+ 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),
else:
self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names
+ self.needed_locks[locking.LEVEL_NODEGROUP] = []
self.needed_locks[locking.LEVEL_NODE] = []
self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
def DeclareLocks(self, level):
- if self.op.use_locking and level == locking.LEVEL_NODE:
- self._LockInstancesNodes()
+ if self.op.use_locking:
+ 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
+ self.needed_locks[locking.LEVEL_NODEGROUP] = \
+ frozenset(group_uuid
+ for instance_name in owned_instances
+ for group_uuid in
+ self.cfg.GetInstanceNodeGroups(instance_name))
+
+ elif level == locking.LEVEL_NODE:
+ self._LockInstancesNodes()
def CheckPrereq(self):
"""Check prerequisites.
This only checks the optional instance list against the existing names.
"""
+ 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))
+
if self.wanted_names is None:
assert self.op.use_locking, "Locking was not used"
- self.wanted_names = self.owned_locks(locking.LEVEL_INSTANCE)
+ self.wanted_names = owned_instances
- self.wanted_instances = \
- map(compat.snd, self.cfg.GetMultiInstanceInfo(self.wanted_names))
+ instances = dict(self.cfg.GetMultiInstanceInfo(self.wanted_names))
+
+ if self.op.use_locking:
+ _CheckInstancesNodeGroups(self.cfg, instances, owned_groups, owned_nodes,
+ None)
+ else:
+ assert not (owned_instances or owned_groups or owned_nodes)
+
+ self.wanted_instances = instances.values()
def _ComputeBlockdevStatus(self, node, instance_name, dev):
"""Returns the status of a block device
cluster = self.cfg.GetClusterInfo()
- pri_nodes = self.cfg.GetMultiNodeInfo(i.primary_node
- for i in self.wanted_instances)
- for instance, (_, pnode) in zip(self.wanted_instances, pri_nodes):
+ node_names = itertools.chain(*(i.all_nodes for i in self.wanted_instances))
+ nodes = dict(self.cfg.GetMultiNodeInfo(node_names))
+
+ groups = dict(self.cfg.GetMultiNodeGroupInfo(node.group
+ for node in nodes.values()))
+
+ group2name_fn = lambda uuid: groups[uuid].name
+
+ for instance in self.wanted_instances:
+ pnode = nodes[instance.primary_node]
+
if self.op.static or pnode.offline:
remote_state = None
if pnode.offline:
disks = map(compat.partial(self._ComputeDiskStatus, instance, None),
instance.disks)
+ snodes_group_uuids = [nodes[snode_name].group
+ for snode_name in instance.secondary_nodes]
+
result[instance.name] = {
"name": instance.name,
"config_state": instance.admin_state,
"run_state": remote_state,
"pnode": instance.primary_node,
+ "pnode_group_uuid": pnode.group,
+ "pnode_group_name": group2name_fn(pnode.group),
"snodes": instance.secondary_nodes,
+ "snodes_group_uuids": snodes_group_uuids,
+ "snodes_group_names": map(group2name_fn, snodes_group_uuids),
"os": instance.os,
# this happens to be the same format used for hooks
"nics": _NICListToTuple(self, instance.nics),
disk_info, None, None, 0, feedback_fn,
self.diskparams)
info = _GetInstanceInfoText(instance)
- feedback_fn("Creating aditional volumes...")
+ feedback_fn("Creating additional volumes...")
# first, create the missing data and meta devices
for disk in new_disks:
# unfortunately this is... not too nice
child.size = parent.size
child.mode = parent.mode
+ # this is a DRBD disk, return its port to the pool
+ # NOTE: this must be done right before the call to cfg.Update!
+ for disk in old_disks:
+ tcp_port = disk.logical_id[2]
+ self.cfg.AddTcpUdpPort(tcp_port)
+
# update instance structure
instance.disks = new_disks
instance.disk_template = constants.DT_PLAIN
self.LogWarning("Could not remove metadata for disk %d on node %s,"
" continuing anyway: %s", idx, pnode, msg)
- # this is a DRBD disk, return its port to the pool
- for disk in old_disks:
- tcp_port = disk.logical_id[2]
- self.cfg.AddTcpUdpPort(tcp_port)
-
- # Node resource locks will be released by caller
-
def _CreateNewDisk(self, idx, params, _):
"""Creates a new disk.
if self.req_target_uuids:
# User requested specific target groups
- self.target_uuids = self.req_target_uuids
+ self.target_uuids = frozenset(self.req_target_uuids)
else:
# All groups except those used by the instance are potential targets
self.target_uuids = owned_groups - inst_groups
self.instances = dict(self.cfg.GetMultiInstanceInfo(owned_instances))
# Check if node groups for locked instances are still correct
- for instance_name in owned_instances:
- inst = self.instances[instance_name]
- assert owned_nodes.issuperset(inst.all_nodes), \
- "Instance %s's nodes changed while we kept the lock" % instance_name
-
- inst_groups = _CheckInstanceNodeGroups(self.cfg, instance_name,
- owned_groups)
-
- assert self.group_uuid in inst_groups, \
- "Instance %s has no node in group %s" % (instance_name, self.group_uuid)
+ _CheckInstancesNodeGroups(self.cfg, self.instances,
+ owned_groups, owned_nodes, self.group_uuid)
if self.req_target_uuids:
# User requested specific target groups
self.in_text = self.out_text = self.in_data = self.out_data = None
# init all input fields so that pylint is happy
self.mode = mode
- self.memory = self.disks = self.disk_template = self.spindle_usage = None
+ self.memory = self.disks = self.disk_template = self.spindle_use = None
self.os = self.tags = self.nics = self.vcpus = None
self.hypervisor = None
self.relocate_from = None
"admin_state": iinfo.admin_state,
"vcpus": beinfo[constants.BE_VCPUS],
"memory": beinfo[constants.BE_MAXMEM],
- "spindle_usage": beinfo[constants.BE_SPINDLE_USAGE],
+ "spindle_use": beinfo[constants.BE_SPINDLE_USE],
"os": iinfo.os,
"nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes),
"nics": nic_data,
"os": self.os,
"vcpus": self.vcpus,
"memory": self.memory,
- "spindle_usage": self.spindle_usage,
+ "spindle_use": self.spindle_use,
"disks": self.disks,
"disk_space_total": disk_space,
"nics": self.nics,
[
("name", ht.TString),
("memory", ht.TInt),
- ("spindle_usage", ht.TInt),
+ ("spindle_use", ht.TInt),
("disks", ht.TListOf(ht.TDict)),
("disk_template", ht.TString),
("os", ht.TString),
projects / ganeti-local / blobdiff