lib/cmdlib/instance.py \
lib/cmdlib/instance_storage.py \
lib/cmdlib/instance_migration.py \
+ lib/cmdlib/instance_operation.py \
lib/cmdlib/instance_utils.py \
lib/cmdlib/backup.py \
lib/cmdlib/query.py \
LUInstanceMove, \
LUInstanceQuery, \
LUInstanceQueryData, \
- LUInstanceStartup, \
- LUInstanceShutdown, \
- LUInstanceReinstall, \
- LUInstanceReboot, \
- LUInstanceConsole, \
LUInstanceMultiAlloc, \
LUInstanceSetParams, \
LUInstanceChangeGroup
from ganeti.cmdlib.instance_migration import \
LUInstanceFailover, \
LUInstanceMigrate
+from ganeti.cmdlib.instance_operation import \
+ LUInstanceStartup, \
+ LUInstanceShutdown, \
+ LUInstanceReinstall, \
+ LUInstanceReboot, \
+ LUInstanceConsole
from ganeti.cmdlib.backup import \
LUBackupQuery, \
LUBackupPrepare, \
from ganeti.cmdlib.base import NoHooksLU, LogicalUnit, _QueryBase, \
ResultWithJobs
-from ganeti.cmdlib.common import INSTANCE_ONLINE, INSTANCE_DOWN, \
+from ganeti.cmdlib.common import INSTANCE_DOWN, \
INSTANCE_NOT_RUNNING, CAN_CHANGE_INSTANCE_OFFLINE, _CheckNodeOnline, \
_ShareAll, _GetDefaultIAllocator, _CheckInstanceNodeGroups, \
_LoadNodeEvacResult, _CheckIAllocatorOrNode, _CheckParamsNotGlobal, \
_CheckRADOSFreeSpace, _ComputeDiskSizePerVG, _GenerateDiskTemplate, \
_CreateBlockDev, _StartInstanceDisks, _ShutdownInstanceDisks, \
_AssembleInstanceDisks
+from ganeti.cmdlib.instance_operation import _GetInstanceConsole
from ganeti.cmdlib.instance_utils import _BuildInstanceHookEnvByObject, \
_GetClusterDomainSecret, _BuildInstanceHookEnv, _NICListToTuple, \
_NICToTuple, _CheckNodeNotDrained, _RemoveInstance, _CopyLockList, \
_ReleaseLocks, _CheckNodeVmCapable, _CheckTargetNodeIPolicy, \
_GetInstanceInfoText, _RemoveDisks, _CheckNodeFreeMemory, \
- _CheckInstanceBridgesExist, _CheckNicsBridgesExist
+ _CheckInstanceBridgesExist, _CheckNicsBridgesExist, _CheckNodeHasOS
import ganeti.masterd.instance
raise errors.OpPrereqError("Unsupported OS variant", errors.ECODE_INVAL)
-def _CheckNodeHasOS(lu, node, os_name, force_variant):
- """Ensure that a node supports a given OS.
-
- @param lu: the LU on behalf of which we make the check
- @param node: the node to check
- @param os_name: the OS to query about
- @param force_variant: whether to ignore variant errors
- @raise errors.OpPrereqError: if the node is not supporting the OS
-
- """
- result = lu.rpc.call_os_get(node, os_name)
- result.Raise("OS '%s' not in supported OS list for node %s" %
- (os_name, node),
- prereq=True, ecode=errors.ECODE_INVAL)
- if not force_variant:
- _CheckOSVariant(result.payload, os_name)
-
-
class LUInstanceCreate(LogicalUnit):
"""Create an instance.
(instance.name, target_node, msg))
-def _GetInstanceConsole(cluster, instance):
- """Returns console information for an instance.
-
- @type cluster: L{objects.Cluster}
- @type instance: L{objects.Instance}
- @rtype: dict
-
- """
- 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)
- beparams = cluster.FillBE(instance)
- console = hyper.GetInstanceConsole(instance, hvparams, beparams)
-
- assert console.instance == instance.name
- assert console.Validate()
-
- return console.ToDict()
-
-
class _InstanceQuery(_QueryBase):
FIELDS = query.INSTANCE_FIELDS
return result
-class LUInstanceStartup(LogicalUnit):
- """Starts an instance.
-
- """
- HPATH = "instance-start"
- HTYPE = constants.HTYPE_INSTANCE
- REQ_BGL = False
-
- def CheckArguments(self):
- # extra beparams
- if self.op.beparams:
- # fill the beparams dict
- objects.UpgradeBeParams(self.op.beparams)
- utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
-
- def ExpandNames(self):
- self._ExpandAndLockInstance()
- self.recalculate_locks[locking.LEVEL_NODE_RES] = constants.LOCKS_REPLACE
-
- def DeclareLocks(self, level):
- if level == locking.LEVEL_NODE_RES:
- self._LockInstancesNodes(primary_only=True, level=locking.LEVEL_NODE_RES)
-
- def BuildHooksEnv(self):
- """Build hooks env.
-
- This runs on master, primary and secondary nodes of the instance.
-
- """
- env = {
- "FORCE": self.op.force,
- }
-
- env.update(_BuildInstanceHookEnvByObject(self, self.instance))
-
- return env
-
- def BuildHooksNodes(self):
- """Build hooks nodes.
-
- """
- nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
- return (nl, nl)
-
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks that the instance is in the cluster.
-
- """
- self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name)
- assert self.instance is not None, \
- "Cannot retrieve locked instance %s" % self.op.instance_name
-
- # extra hvparams
- if self.op.hvparams:
- # check hypervisor parameter syntax (locally)
- cluster = self.cfg.GetClusterInfo()
- utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
- filled_hvp = cluster.FillHV(instance)
- filled_hvp.update(self.op.hvparams)
- hv_type = hypervisor.GetHypervisorClass(instance.hypervisor)
- hv_type.CheckParameterSyntax(filled_hvp)
- _CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
-
- _CheckInstanceState(self, instance, INSTANCE_ONLINE)
-
- self.primary_offline = self.cfg.GetNodeInfo(instance.primary_node).offline
-
- if self.primary_offline and self.op.ignore_offline_nodes:
- self.LogWarning("Ignoring offline primary node")
-
- if self.op.hvparams or self.op.beparams:
- self.LogWarning("Overridden parameters are ignored")
- else:
- _CheckNodeOnline(self, instance.primary_node)
-
- bep = self.cfg.GetClusterInfo().FillBE(instance)
- bep.update(self.op.beparams)
-
- # check bridges existence
- _CheckInstanceBridgesExist(self, instance)
-
- remote_info = self.rpc.call_instance_info(instance.primary_node,
- instance.name,
- instance.hypervisor)
- remote_info.Raise("Error checking node %s" % instance.primary_node,
- prereq=True, ecode=errors.ECODE_ENVIRON)
- if not remote_info.payload: # not running already
- _CheckNodeFreeMemory(self, instance.primary_node,
- "starting instance %s" % instance.name,
- bep[constants.BE_MINMEM], instance.hypervisor)
-
- def Exec(self, feedback_fn):
- """Start the instance.
-
- """
- instance = self.instance
- force = self.op.force
- reason = self.op.reason
-
- if not self.op.no_remember:
- self.cfg.MarkInstanceUp(instance.name)
-
- if self.primary_offline:
- assert self.op.ignore_offline_nodes
- self.LogInfo("Primary node offline, marked instance as started")
- else:
- node_current = instance.primary_node
-
- _StartInstanceDisks(self, instance, force)
-
- result = \
- self.rpc.call_instance_start(node_current,
- (instance, self.op.hvparams,
- self.op.beparams),
- self.op.startup_paused, reason)
- msg = result.fail_msg
- if msg:
- _ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance: %s" % msg)
-
-
-class LUInstanceShutdown(LogicalUnit):
- """Shutdown an instance.
-
- """
- HPATH = "instance-stop"
- HTYPE = constants.HTYPE_INSTANCE
- REQ_BGL = False
-
- def ExpandNames(self):
- self._ExpandAndLockInstance()
-
- def BuildHooksEnv(self):
- """Build hooks env.
-
- This runs on master, primary and secondary nodes of the instance.
-
- """
- env = _BuildInstanceHookEnvByObject(self, self.instance)
- env["TIMEOUT"] = self.op.timeout
- return env
-
- def BuildHooksNodes(self):
- """Build hooks nodes.
-
- """
- nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
- return (nl, nl)
-
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks that the instance is in the cluster.
-
- """
- self.instance = self.cfg.GetInstanceInfo(self.op.instance_name)
- assert self.instance is not None, \
- "Cannot retrieve locked instance %s" % self.op.instance_name
-
- if not self.op.force:
- _CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
- else:
- self.LogWarning("Ignoring offline instance check")
-
- self.primary_offline = \
- self.cfg.GetNodeInfo(self.instance.primary_node).offline
-
- if self.primary_offline and self.op.ignore_offline_nodes:
- self.LogWarning("Ignoring offline primary node")
- else:
- _CheckNodeOnline(self, self.instance.primary_node)
-
- def Exec(self, feedback_fn):
- """Shutdown the instance.
-
- """
- instance = self.instance
- node_current = instance.primary_node
- timeout = self.op.timeout
- reason = self.op.reason
-
- # 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:
- assert self.op.ignore_offline_nodes
- self.LogInfo("Primary node offline, marked instance as stopped")
- else:
- result = self.rpc.call_instance_shutdown(node_current, instance, timeout,
- reason)
- msg = result.fail_msg
- if msg:
- self.LogWarning("Could not shutdown instance: %s", msg)
-
- _ShutdownInstanceDisks(self, instance)
-
-
-class LUInstanceReinstall(LogicalUnit):
- """Reinstall an instance.
-
- """
- HPATH = "instance-reinstall"
- HTYPE = constants.HTYPE_INSTANCE
- REQ_BGL = False
-
- def ExpandNames(self):
- self._ExpandAndLockInstance()
-
- def BuildHooksEnv(self):
- """Build hooks env.
-
- This runs on master, primary and secondary nodes of the instance.
-
- """
- return _BuildInstanceHookEnvByObject(self, self.instance)
-
- def BuildHooksNodes(self):
- """Build hooks nodes.
-
- """
- nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
- return (nl, nl)
-
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks that the instance is in the cluster and is not running.
-
- """
- instance = self.cfg.GetInstanceInfo(self.op.instance_name)
- assert instance is not None, \
- "Cannot retrieve locked instance %s" % self.op.instance_name
- _CheckNodeOnline(self, instance.primary_node, "Instance primary node"
- " offline, cannot reinstall")
-
- if instance.disk_template == constants.DT_DISKLESS:
- raise errors.OpPrereqError("Instance '%s' has no disks" %
- self.op.instance_name,
- errors.ECODE_INVAL)
- _CheckInstanceState(self, instance, INSTANCE_DOWN, msg="cannot reinstall")
-
- if self.op.os_type is not None:
- # OS verification
- pnode = _ExpandNodeName(self.cfg, instance.primary_node)
- _CheckNodeHasOS(self, pnode, self.op.os_type, self.op.force_variant)
- instance_os = self.op.os_type
- else:
- instance_os = instance.os
-
- nodelist = list(instance.all_nodes)
-
- if self.op.osparams:
- i_osdict = _GetUpdatedParams(instance.osparams, self.op.osparams)
- _CheckOSParams(self, True, nodelist, instance_os, i_osdict)
- self.os_inst = i_osdict # the new dict (without defaults)
- else:
- self.os_inst = None
-
- self.instance = instance
-
- def Exec(self, feedback_fn):
- """Reinstall the instance.
-
- """
- inst = self.instance
-
- if self.op.os_type is not None:
- feedback_fn("Changing OS to '%s'..." % self.op.os_type)
- inst.os = self.op.os_type
- # Write to configuration
- self.cfg.Update(inst, feedback_fn)
-
- _StartInstanceDisks(self, inst, None)
- try:
- feedback_fn("Running the instance OS create scripts...")
- # FIXME: pass debug option from opcode to backend
- result = self.rpc.call_instance_os_add(inst.primary_node,
- (inst, self.os_inst), True,
- self.op.debug_level)
- result.Raise("Could not install OS for instance %s on node %s" %
- (inst.name, inst.primary_node))
- finally:
- _ShutdownInstanceDisks(self, inst)
-
-
-class LUInstanceReboot(LogicalUnit):
- """Reboot an instance.
-
- """
- HPATH = "instance-reboot"
- HTYPE = constants.HTYPE_INSTANCE
- REQ_BGL = False
-
- def ExpandNames(self):
- self._ExpandAndLockInstance()
-
- def BuildHooksEnv(self):
- """Build hooks env.
-
- This runs on master, primary and secondary nodes of the instance.
-
- """
- env = {
- "IGNORE_SECONDARIES": self.op.ignore_secondaries,
- "REBOOT_TYPE": self.op.reboot_type,
- "SHUTDOWN_TIMEOUT": self.op.shutdown_timeout,
- }
-
- env.update(_BuildInstanceHookEnvByObject(self, self.instance))
-
- return env
-
- def BuildHooksNodes(self):
- """Build hooks nodes.
-
- """
- nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
- return (nl, nl)
-
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks that the instance is in the cluster.
-
- """
- self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name)
- assert self.instance is not None, \
- "Cannot retrieve locked instance %s" % self.op.instance_name
- _CheckInstanceState(self, instance, INSTANCE_ONLINE)
- _CheckNodeOnline(self, instance.primary_node)
-
- # check bridges existence
- _CheckInstanceBridgesExist(self, instance)
-
- def Exec(self, feedback_fn):
- """Reboot the instance.
-
- """
- 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,
- instance.hypervisor)
- remote_info.Raise("Error checking node %s" % instance.primary_node)
- instance_running = bool(remote_info.payload)
-
- node_current = instance.primary_node
-
- if instance_running and reboot_type in [constants.INSTANCE_REBOOT_SOFT,
- constants.INSTANCE_REBOOT_HARD]:
- for disk in instance.disks:
- self.cfg.SetDiskID(disk, node_current)
- result = self.rpc.call_instance_reboot(node_current, instance,
- reboot_type,
- self.op.shutdown_timeout, reason)
- result.Raise("Could not reboot instance")
- else:
- if instance_running:
- result = self.rpc.call_instance_shutdown(node_current, instance,
- self.op.shutdown_timeout,
- reason)
- result.Raise("Could not shutdown instance for full reboot")
- _ShutdownInstanceDisks(self, instance)
- else:
- self.LogInfo("Instance %s was already stopped, starting now",
- instance.name)
- _StartInstanceDisks(self, instance, ignore_secondaries)
- result = self.rpc.call_instance_start(node_current,
- (instance, None, None), False,
- reason)
- msg = result.fail_msg
- if msg:
- _ShutdownInstanceDisks(self, instance)
- raise errors.OpExecError("Could not start instance for"
- " full reboot: %s" % msg)
-
- self.cfg.MarkInstanceUp(instance.name)
-
-
-class LUInstanceConsole(NoHooksLU):
- """Connect to an instance's console.
-
- This is somewhat special in that it returns the command line that
- you need to run on the master node in order to connect to the
- console.
-
- """
- REQ_BGL = False
-
- def ExpandNames(self):
- self.share_locks = _ShareAll()
- self._ExpandAndLockInstance()
-
- def CheckPrereq(self):
- """Check prerequisites.
-
- This checks that the instance is in the cluster.
-
- """
- self.instance = self.cfg.GetInstanceInfo(self.op.instance_name)
- assert self.instance is not None, \
- "Cannot retrieve locked instance %s" % self.op.instance_name
- _CheckNodeOnline(self, self.instance.primary_node)
-
- def Exec(self, feedback_fn):
- """Connect to the console of an instance
-
- """
- instance = self.instance
- node = instance.primary_node
-
- node_insts = self.rpc.call_instance_list([node],
- [instance.hypervisor])[node]
- node_insts.Raise("Can't get node information from %s" % node)
-
- if instance.name not in node_insts.payload:
- if instance.admin_state == constants.ADMINST_UP:
- state = constants.INSTST_ERRORDOWN
- elif instance.admin_state == constants.ADMINST_DOWN:
- state = constants.INSTST_ADMINDOWN
- else:
- state = constants.INSTST_ADMINOFFLINE
- raise errors.OpExecError("Instance %s is not running (state %s)" %
- (instance.name, state))
-
- logging.debug("Connecting to console of %s on %s", instance.name, node)
-
- return _GetInstanceConsole(self.cfg.GetClusterInfo(), instance)
-
-
class LUInstanceMultiAlloc(NoHooksLU):
"""Allocates multiple instances at the same time.
--- /dev/null
+#
+#
+
+# 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+
+"""Logical units dealing with instance operations (start/stop/...).
+
+Those operations have in common that they affect the operating system in a
+running instance directly.
+
+"""
+
+import logging
+
+from ganeti import constants
+from ganeti import errors
+from ganeti import hypervisor
+from ganeti import locking
+from ganeti import objects
+from ganeti import utils
+from ganeti.cmdlib.base import LogicalUnit, NoHooksLU
+from ganeti.cmdlib.common import INSTANCE_ONLINE, INSTANCE_DOWN, \
+ _CheckHVParams, _CheckInstanceState, _CheckNodeOnline, _ExpandNodeName, \
+ _GetUpdatedParams, _CheckOSParams, _ShareAll
+from ganeti.cmdlib.instance_storage import _StartInstanceDisks, \
+ _ShutdownInstanceDisks
+from ganeti.cmdlib.instance_utils import _BuildInstanceHookEnvByObject, \
+ _CheckInstanceBridgesExist, _CheckNodeFreeMemory, _CheckNodeHasOS
+
+
+class LUInstanceStartup(LogicalUnit):
+ """Starts an instance.
+
+ """
+ HPATH = "instance-start"
+ HTYPE = constants.HTYPE_INSTANCE
+ REQ_BGL = False
+
+ def CheckArguments(self):
+ # extra beparams
+ if self.op.beparams:
+ # fill the beparams dict
+ objects.UpgradeBeParams(self.op.beparams)
+ utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
+
+ def ExpandNames(self):
+ self._ExpandAndLockInstance()
+ self.recalculate_locks[locking.LEVEL_NODE_RES] = constants.LOCKS_REPLACE
+
+ def DeclareLocks(self, level):
+ if level == locking.LEVEL_NODE_RES:
+ self._LockInstancesNodes(primary_only=True, level=locking.LEVEL_NODE_RES)
+
+ def BuildHooksEnv(self):
+ """Build hooks env.
+
+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ env = {
+ "FORCE": self.op.force,
+ }
+
+ env.update(_BuildInstanceHookEnvByObject(self, self.instance))
+
+ return env
+
+ def BuildHooksNodes(self):
+ """Build hooks nodes.
+
+ """
+ nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
+ return (nl, nl)
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster.
+
+ """
+ self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert self.instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+
+ # extra hvparams
+ if self.op.hvparams:
+ # check hypervisor parameter syntax (locally)
+ cluster = self.cfg.GetClusterInfo()
+ utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
+ filled_hvp = cluster.FillHV(instance)
+ filled_hvp.update(self.op.hvparams)
+ hv_type = hypervisor.GetHypervisorClass(instance.hypervisor)
+ hv_type.CheckParameterSyntax(filled_hvp)
+ _CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
+
+ _CheckInstanceState(self, instance, INSTANCE_ONLINE)
+
+ self.primary_offline = self.cfg.GetNodeInfo(instance.primary_node).offline
+
+ if self.primary_offline and self.op.ignore_offline_nodes:
+ self.LogWarning("Ignoring offline primary node")
+
+ if self.op.hvparams or self.op.beparams:
+ self.LogWarning("Overridden parameters are ignored")
+ else:
+ _CheckNodeOnline(self, instance.primary_node)
+
+ bep = self.cfg.GetClusterInfo().FillBE(instance)
+ bep.update(self.op.beparams)
+
+ # check bridges existence
+ _CheckInstanceBridgesExist(self, instance)
+
+ remote_info = self.rpc.call_instance_info(instance.primary_node,
+ instance.name,
+ instance.hypervisor)
+ remote_info.Raise("Error checking node %s" % instance.primary_node,
+ prereq=True, ecode=errors.ECODE_ENVIRON)
+ if not remote_info.payload: # not running already
+ _CheckNodeFreeMemory(self, instance.primary_node,
+ "starting instance %s" % instance.name,
+ bep[constants.BE_MINMEM], instance.hypervisor)
+
+ def Exec(self, feedback_fn):
+ """Start the instance.
+
+ """
+ instance = self.instance
+ force = self.op.force
+ reason = self.op.reason
+
+ if not self.op.no_remember:
+ self.cfg.MarkInstanceUp(instance.name)
+
+ if self.primary_offline:
+ assert self.op.ignore_offline_nodes
+ self.LogInfo("Primary node offline, marked instance as started")
+ else:
+ node_current = instance.primary_node
+
+ _StartInstanceDisks(self, instance, force)
+
+ result = \
+ self.rpc.call_instance_start(node_current,
+ (instance, self.op.hvparams,
+ self.op.beparams),
+ self.op.startup_paused, reason)
+ msg = result.fail_msg
+ if msg:
+ _ShutdownInstanceDisks(self, instance)
+ raise errors.OpExecError("Could not start instance: %s" % msg)
+
+
+class LUInstanceShutdown(LogicalUnit):
+ """Shutdown an instance.
+
+ """
+ HPATH = "instance-stop"
+ HTYPE = constants.HTYPE_INSTANCE
+ REQ_BGL = False
+
+ def ExpandNames(self):
+ self._ExpandAndLockInstance()
+
+ def BuildHooksEnv(self):
+ """Build hooks env.
+
+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ env = _BuildInstanceHookEnvByObject(self, self.instance)
+ env["TIMEOUT"] = self.op.timeout
+ return env
+
+ def BuildHooksNodes(self):
+ """Build hooks nodes.
+
+ """
+ nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
+ return (nl, nl)
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster.
+
+ """
+ self.instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert self.instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+
+ if not self.op.force:
+ _CheckInstanceState(self, self.instance, INSTANCE_ONLINE)
+ else:
+ self.LogWarning("Ignoring offline instance check")
+
+ self.primary_offline = \
+ self.cfg.GetNodeInfo(self.instance.primary_node).offline
+
+ if self.primary_offline and self.op.ignore_offline_nodes:
+ self.LogWarning("Ignoring offline primary node")
+ else:
+ _CheckNodeOnline(self, self.instance.primary_node)
+
+ def Exec(self, feedback_fn):
+ """Shutdown the instance.
+
+ """
+ instance = self.instance
+ node_current = instance.primary_node
+ timeout = self.op.timeout
+ reason = self.op.reason
+
+ # 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:
+ assert self.op.ignore_offline_nodes
+ self.LogInfo("Primary node offline, marked instance as stopped")
+ else:
+ result = self.rpc.call_instance_shutdown(node_current, instance, timeout,
+ reason)
+ msg = result.fail_msg
+ if msg:
+ self.LogWarning("Could not shutdown instance: %s", msg)
+
+ _ShutdownInstanceDisks(self, instance)
+
+
+class LUInstanceReinstall(LogicalUnit):
+ """Reinstall an instance.
+
+ """
+ HPATH = "instance-reinstall"
+ HTYPE = constants.HTYPE_INSTANCE
+ REQ_BGL = False
+
+ def ExpandNames(self):
+ self._ExpandAndLockInstance()
+
+ def BuildHooksEnv(self):
+ """Build hooks env.
+
+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ return _BuildInstanceHookEnvByObject(self, self.instance)
+
+ def BuildHooksNodes(self):
+ """Build hooks nodes.
+
+ """
+ nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
+ return (nl, nl)
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster and is not running.
+
+ """
+ instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+ _CheckNodeOnline(self, instance.primary_node, "Instance primary node"
+ " offline, cannot reinstall")
+
+ if instance.disk_template == constants.DT_DISKLESS:
+ raise errors.OpPrereqError("Instance '%s' has no disks" %
+ self.op.instance_name,
+ errors.ECODE_INVAL)
+ _CheckInstanceState(self, instance, INSTANCE_DOWN, msg="cannot reinstall")
+
+ if self.op.os_type is not None:
+ # OS verification
+ pnode = _ExpandNodeName(self.cfg, instance.primary_node)
+ _CheckNodeHasOS(self, pnode, self.op.os_type, self.op.force_variant)
+ instance_os = self.op.os_type
+ else:
+ instance_os = instance.os
+
+ nodelist = list(instance.all_nodes)
+
+ if self.op.osparams:
+ i_osdict = _GetUpdatedParams(instance.osparams, self.op.osparams)
+ _CheckOSParams(self, True, nodelist, instance_os, i_osdict)
+ self.os_inst = i_osdict # the new dict (without defaults)
+ else:
+ self.os_inst = None
+
+ self.instance = instance
+
+ def Exec(self, feedback_fn):
+ """Reinstall the instance.
+
+ """
+ inst = self.instance
+
+ if self.op.os_type is not None:
+ feedback_fn("Changing OS to '%s'..." % self.op.os_type)
+ inst.os = self.op.os_type
+ # Write to configuration
+ self.cfg.Update(inst, feedback_fn)
+
+ _StartInstanceDisks(self, inst, None)
+ try:
+ feedback_fn("Running the instance OS create scripts...")
+ # FIXME: pass debug option from opcode to backend
+ result = self.rpc.call_instance_os_add(inst.primary_node,
+ (inst, self.os_inst), True,
+ self.op.debug_level)
+ result.Raise("Could not install OS for instance %s on node %s" %
+ (inst.name, inst.primary_node))
+ finally:
+ _ShutdownInstanceDisks(self, inst)
+
+
+class LUInstanceReboot(LogicalUnit):
+ """Reboot an instance.
+
+ """
+ HPATH = "instance-reboot"
+ HTYPE = constants.HTYPE_INSTANCE
+ REQ_BGL = False
+
+ def ExpandNames(self):
+ self._ExpandAndLockInstance()
+
+ def BuildHooksEnv(self):
+ """Build hooks env.
+
+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ env = {
+ "IGNORE_SECONDARIES": self.op.ignore_secondaries,
+ "REBOOT_TYPE": self.op.reboot_type,
+ "SHUTDOWN_TIMEOUT": self.op.shutdown_timeout,
+ }
+
+ env.update(_BuildInstanceHookEnvByObject(self, self.instance))
+
+ return env
+
+ def BuildHooksNodes(self):
+ """Build hooks nodes.
+
+ """
+ nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes)
+ return (nl, nl)
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster.
+
+ """
+ self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert self.instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+ _CheckInstanceState(self, instance, INSTANCE_ONLINE)
+ _CheckNodeOnline(self, instance.primary_node)
+
+ # check bridges existence
+ _CheckInstanceBridgesExist(self, instance)
+
+ def Exec(self, feedback_fn):
+ """Reboot the instance.
+
+ """
+ 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,
+ instance.hypervisor)
+ remote_info.Raise("Error checking node %s" % instance.primary_node)
+ instance_running = bool(remote_info.payload)
+
+ node_current = instance.primary_node
+
+ if instance_running and reboot_type in [constants.INSTANCE_REBOOT_SOFT,
+ constants.INSTANCE_REBOOT_HARD]:
+ for disk in instance.disks:
+ self.cfg.SetDiskID(disk, node_current)
+ result = self.rpc.call_instance_reboot(node_current, instance,
+ reboot_type,
+ self.op.shutdown_timeout, reason)
+ result.Raise("Could not reboot instance")
+ else:
+ if instance_running:
+ result = self.rpc.call_instance_shutdown(node_current, instance,
+ self.op.shutdown_timeout,
+ reason)
+ result.Raise("Could not shutdown instance for full reboot")
+ _ShutdownInstanceDisks(self, instance)
+ else:
+ self.LogInfo("Instance %s was already stopped, starting now",
+ instance.name)
+ _StartInstanceDisks(self, instance, ignore_secondaries)
+ result = self.rpc.call_instance_start(node_current,
+ (instance, None, None), False,
+ reason)
+ msg = result.fail_msg
+ if msg:
+ _ShutdownInstanceDisks(self, instance)
+ raise errors.OpExecError("Could not start instance for"
+ " full reboot: %s" % msg)
+
+ self.cfg.MarkInstanceUp(instance.name)
+
+
+def _GetInstanceConsole(cluster, instance):
+ """Returns console information for an instance.
+
+ @type cluster: L{objects.Cluster}
+ @type instance: L{objects.Instance}
+ @rtype: dict
+
+ """
+ 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)
+ beparams = cluster.FillBE(instance)
+ console = hyper.GetInstanceConsole(instance, hvparams, beparams)
+
+ assert console.instance == instance.name
+ assert console.Validate()
+
+ return console.ToDict()
+
+
+class LUInstanceConsole(NoHooksLU):
+ """Connect to an instance's console.
+
+ This is somewhat special in that it returns the command line that
+ you need to run on the master node in order to connect to the
+ console.
+
+ """
+ REQ_BGL = False
+
+ def ExpandNames(self):
+ self.share_locks = _ShareAll()
+ self._ExpandAndLockInstance()
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster.
+
+ """
+ self.instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert self.instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+ _CheckNodeOnline(self, self.instance.primary_node)
+
+ def Exec(self, feedback_fn):
+ """Connect to the console of an instance
+
+ """
+ instance = self.instance
+ node = instance.primary_node
+
+ node_insts = self.rpc.call_instance_list([node],
+ [instance.hypervisor])[node]
+ node_insts.Raise("Can't get node information from %s" % node)
+
+ if instance.name not in node_insts.payload:
+ if instance.admin_state == constants.ADMINST_UP:
+ state = constants.INSTST_ERRORDOWN
+ elif instance.admin_state == constants.ADMINST_DOWN:
+ state = constants.INSTST_ADMINDOWN
+ else:
+ state = constants.INSTST_ADMINOFFLINE
+ raise errors.OpExecError("Instance %s is not running (state %s)" %
+ (instance.name, state))
+
+ logging.debug("Connecting to console of %s on %s", instance.name, node)
+
+ return _GetInstanceConsole(self.cfg.GetClusterInfo(), instance)
result = lu.rpc.call_bridges_exist(target_node, brlist)
result.Raise("Error checking bridges on destination node '%s'" %
target_node, prereq=True, ecode=errors.ECODE_ENVIRON)
+
+
+def _CheckNodeHasOS(lu, node, os_name, force_variant):
+ """Ensure that a node supports a given OS.
+
+ @param lu: the LU on behalf of which we make the check
+ @param node: the node to check
+ @param os_name: the OS to query about
+ @param force_variant: whether to ignore variant errors
+ @raise errors.OpPrereqError: if the node is not supporting the OS
+
+ """
+ result = lu.rpc.call_os_get(node, os_name)
+ result.Raise("OS '%s' not in supported OS list for node %s" %
+ (os_name, node),
+ prereq=True, ecode=errors.ECODE_INVAL)
+ if not force_variant:
+ _CheckOSVariant(result.payload, os_name)
+
+
+def _CheckOSVariant(os_obj, name):
+ """Check whether an OS name conforms to the os variants specification.
+
+ @type os_obj: L{objects.OS}
+ @param os_obj: OS object to check
+ @type name: string
+ @param name: OS name passed by the user, to check for validity
+
+ """
+ variant = objects.OS.GetVariant(name)
+ if not os_obj.supported_variants:
+ if variant:
+ raise errors.OpPrereqError("OS '%s' doesn't support variants ('%s'"
+ " passed)" % (os_obj.name, variant),
+ errors.ECODE_INVAL)
+ return
+ if not variant:
+ raise errors.OpPrereqError("OS name must include a variant",
+ errors.ECODE_INVAL)
+
+ if variant not in os_obj.supported_variants:
+ raise errors.OpPrereqError("Unsupported OS variant", errors.ECODE_INVAL)
projects / ganeti-local / commitdiff