(result.cmd, result.exit_code, result.output))
+def _CheckInstanceBridgesExist(instance):
+ """Check that the brigdes needed by an instance exist.
+
+ """
+ # check bridges existance
+ brlist = [nic.bridge for nic in instance.nics]
+ if not rpc.call_bridges_exist(instance.primary_node, brlist):
+ raise errors.OpPrereqError("one or more target bridges %s does not"
+ " exist on destination node '%s'" %
+ (brlist, instance.primary_node))
+
+
class LUInitCluster(LogicalUnit):
"""Initialise the cluster.
(instance, node))
bad = True
- return not bad
+ return bad
def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn):
"""Verify if there are any unknown volumes in the cluster.
device_info.append((instance.primary_node, inst_disk.iv_name,
master_result))
+ # leave the disks configured for the primary node
+ # this is a workaround that would be fixed better by
+ # improving the logical/physical id handling
+ for disk in instance.disks:
+ cfg.SetDiskID(disk, instance.primary_node)
+
return disks_ok, device_info
self.op.instance_name)
# check bridges existance
- brlist = [nic.bridge for nic in instance.nics]
- if not rpc.call_bridges_exist(instance.primary_node, brlist):
- raise errors.OpPrereqError("one or more target bridges %s does not"
- " exist on destination node '%s'" %
- (brlist, instance.primary_node))
+ _CheckInstanceBridgesExist(instance)
self.instance = instance
self.op.instance_name = instance.name
self.cfg.MarkInstanceUp(instance.name)
+class LURebootInstance(LogicalUnit):
+ """Reboot an instance.
+
+ """
+ HPATH = "instance-reboot"
+ HTYPE = constants.HTYPE_INSTANCE
+ _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"]
+
+ def BuildHooksEnv(self):
+ """Build hooks env.
+
+ This runs on master, primary and secondary nodes of the instance.
+
+ """
+ env = {
+ "IGNORE_SECONDARIES": self.op.ignore_secondaries,
+ }
+ env.update(_BuildInstanceHookEnvByObject(self.instance))
+ nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] +
+ list(self.instance.secondary_nodes))
+ return env, nl, nl
+
+ def CheckPrereq(self):
+ """Check prerequisites.
+
+ This checks that the instance is in the cluster.
+
+ """
+ instance = self.cfg.GetInstanceInfo(
+ self.cfg.ExpandInstanceName(self.op.instance_name))
+ if instance is None:
+ raise errors.OpPrereqError("Instance '%s' not known" %
+ self.op.instance_name)
+
+ # check bridges existance
+ _CheckInstanceBridgesExist(instance)
+
+ self.instance = instance
+ self.op.instance_name = instance.name
+
+ def Exec(self, feedback_fn):
+ """Reboot the instance.
+
+ """
+ instance = self.instance
+ ignore_secondaries = self.op.ignore_secondaries
+ reboot_type = self.op.reboot_type
+ extra_args = getattr(self.op, "extra_args", "")
+
+ node_current = instance.primary_node
+
+ if reboot_type not in [constants.INSTANCE_REBOOT_SOFT,
+ constants.INSTANCE_REBOOT_HARD,
+ constants.INSTANCE_REBOOT_FULL]:
+ raise errors.ParameterError("reboot type not in [%s, %s, %s]" %
+ (constants.INSTANCE_REBOOT_SOFT,
+ constants.INSTANCE_REBOOT_HARD,
+ constants.INSTANCE_REBOOT_FULL))
+
+ if reboot_type in [constants.INSTANCE_REBOOT_SOFT,
+ constants.INSTANCE_REBOOT_HARD]:
+ if not rpc.call_instance_reboot(node_current, instance,
+ reboot_type, extra_args):
+ raise errors.OpExecError("Could not reboot instance")
+ else:
+ if not rpc.call_instance_shutdown(node_current, instance):
+ raise errors.OpExecError("could not shutdown instance for full reboot")
+ _ShutdownInstanceDisks(instance, self.cfg)
+ _StartInstanceDisks(self.cfg, instance, ignore_secondaries)
+ if not rpc.call_instance_start(node_current, instance, extra_args):
+ _ShutdownInstanceDisks(instance, self.cfg)
+ raise errors.OpExecError("Could not start instance for full reboot")
+
+ self.cfg.MarkInstanceUp(instance.name)
+
+
class LUShutdownInstance(LogicalUnit):
"""Shutdown an instance.
"""
env = _BuildInstanceHookEnvByObject(self.instance)
- nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] +
- list(self.instance.secondary_nodes))
+ nl = [self.sstore.GetMasterNode()]
return env, nl, nl
def CheckPrereq(self):
(instance.name, instance.primary_node))
if not rpc.call_instance_shutdown(instance.primary_node, instance):
- raise errors.OpExecError("Could not shutdown instance %s on node %s" %
- (instance.name, instance.primary_node))
+ if self.op.ignore_failures:
+ feedback_fn("Warning: can't shutdown instance")
+ else:
+ raise errors.OpExecError("Could not shutdown instance %s on node %s" %
+ (instance.name, instance.primary_node))
logger.Info("removing block devices for instance %s" % instance.name)
- _RemoveDisks(instance, self.cfg)
+ if not _RemoveDisks(instance, self.cfg):
+ if self.op.ignore_failures:
+ feedback_fn("Warning: can't remove instance's disks")
+ else:
+ raise errors.OpExecError("Can't remove instance's disks")
logger.Info("removing instance %s out of cluster config" % instance.name)
raise errors.OpPrereqError("Instance '%s' not known" %
self.op.instance_name)
- if instance.disk_template != constants.DT_REMOTE_RAID1:
+ if instance.disk_template not in constants.DTS_NET_MIRROR:
raise errors.OpPrereqError("Instance's disk layout is not"
- " remote_raid1.")
+ " network mirrored, cannot failover.")
secondary_nodes = instance.secondary_nodes
if not secondary_nodes:
"""
port = cfg.AllocatePort()
vgname = cfg.GetVGName()
- dev_data = objects.Disk(dev_type="lvm", size=size,
+ dev_data = objects.Disk(dev_type=constants.LD_LV, size=size,
logical_id=(vgname, names[0]))
- dev_meta = objects.Disk(dev_type="lvm", size=128,
+ dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
logical_id=(vgname, names[1]))
- drbd_dev = objects.Disk(dev_type="drbd", size=size,
+ drbd_dev = objects.Disk(dev_type=constants.LD_DRBD7, size=size,
logical_id = (primary, secondary, port),
children = [dev_data, dev_meta])
return drbd_dev
+def _GenerateDRBD8Branch(cfg, primary, secondary, size, names, iv_name):
+ """Generate a drbd8 device complete with its children.
+
+ """
+ port = cfg.AllocatePort()
+ vgname = cfg.GetVGName()
+ dev_data = objects.Disk(dev_type=constants.LD_LV, size=size,
+ logical_id=(vgname, names[0]))
+ dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
+ logical_id=(vgname, names[1]))
+ drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size,
+ logical_id = (primary, secondary, port),
+ children = [dev_data, dev_meta],
+ iv_name=iv_name)
+ return drbd_dev
+
def _GenerateDiskTemplate(cfg, template_name,
instance_name, primary_node,
secondary_nodes, disk_sz, swap_sz):
raise errors.ProgrammerError("Wrong template configuration")
names = _GenerateUniqueNames(cfg, [".sda", ".sdb"])
- sda_dev = objects.Disk(dev_type="lvm", size=disk_sz,
+ sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz,
logical_id=(vgname, names[0]),
iv_name = "sda")
- sdb_dev = objects.Disk(dev_type="lvm", size=swap_sz,
+ sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz,
logical_id=(vgname, names[1]),
iv_name = "sdb")
disks = [sda_dev, sdb_dev]
names = _GenerateUniqueNames(cfg, [".sda_m1", ".sda_m2",
".sdb_m1", ".sdb_m2"])
- sda_dev_m1 = objects.Disk(dev_type="lvm", size=disk_sz,
+ sda_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz,
logical_id=(vgname, names[0]))
- sda_dev_m2 = objects.Disk(dev_type="lvm", size=disk_sz,
+ sda_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz,
logical_id=(vgname, names[1]))
- md_sda_dev = objects.Disk(dev_type="md_raid1", iv_name = "sda",
+ md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sda",
size=disk_sz,
children = [sda_dev_m1, sda_dev_m2])
- sdb_dev_m1 = objects.Disk(dev_type="lvm", size=swap_sz,
+ sdb_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz,
logical_id=(vgname, names[2]))
- sdb_dev_m2 = objects.Disk(dev_type="lvm", size=swap_sz,
+ sdb_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz,
logical_id=(vgname, names[3]))
- md_sdb_dev = objects.Disk(dev_type="md_raid1", iv_name = "sdb",
+ md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sdb",
size=swap_sz,
children = [sdb_dev_m1, sdb_dev_m2])
disks = [md_sda_dev, md_sdb_dev]
".sdb_data", ".sdb_meta"])
drbd_sda_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node,
disk_sz, names[0:2])
- md_sda_dev = objects.Disk(dev_type="md_raid1", iv_name="sda",
+ md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sda",
children = [drbd_sda_dev], size=disk_sz)
drbd_sdb_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node,
swap_sz, names[2:4])
- md_sdb_dev = objects.Disk(dev_type="md_raid1", iv_name="sdb",
+ md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sdb",
children = [drbd_sdb_dev], size=swap_sz)
disks = [md_sda_dev, md_sdb_dev]
+ elif template_name == constants.DT_DRBD8:
+ if len(secondary_nodes) != 1:
+ raise errors.ProgrammerError("Wrong template configuration")
+ remote_node = secondary_nodes[0]
+ names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta",
+ ".sdb_data", ".sdb_meta"])
+ drbd_sda_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node,
+ disk_sz, names[0:2], "sda")
+ drbd_sdb_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node,
+ swap_sz, names[2:4], "sdb")
+ disks = [drbd_sda_dev, drbd_sdb_dev]
else:
raise errors.ProgrammerError("Invalid disk template '%s'" % template_name)
return disks
This abstracts away some work from `AddInstance()` and
`RemoveInstance()`. Note that in case some of the devices couldn't
- be remove, the removal will continue with the other ones (compare
+ be removed, the removal will continue with the other ones (compare
with `_CreateDisks()`).
Args:
if self.op.disk_template not in constants.DISK_TEMPLATES:
raise errors.OpPrereqError("Invalid disk template name")
- if self.op.disk_template == constants.DT_REMOTE_RAID1:
+ if self.op.disk_template in constants.DTS_NET_MIRROR:
if getattr(self.op, "snode", None) is None:
- raise errors.OpPrereqError("The 'remote_raid1' disk template needs"
+ raise errors.OpPrereqError("The networked disk templates need"
" a mirror node")
snode_name = self.cfg.ExpandNodeName(self.op.snode)
constants.DT_LOCAL_RAID1: (self.op.disk_size + self.op.swap_size) * 2,
# 256 MB are added for drbd metadata, 128MB for each drbd device
constants.DT_REMOTE_RAID1: self.op.disk_size + self.op.swap_size + 256,
+ constants.DT_DRBD8: self.op.disk_size + self.op.swap_size + 256,
}
if self.op.disk_template not in req_size_dict:
if self.op.wait_for_sync:
disk_abort = not _WaitForSync(self.cfg, iobj)
- elif iobj.disk_template == constants.DT_REMOTE_RAID1:
+ elif iobj.disk_template in constants.DTS_NET_MIRROR:
# make sure the disks are not degraded (still sync-ing is ok)
time.sleep(15)
feedback_fn("* checking mirrors status")
# the device exists now
# call the primary node to add the mirror to md
logger.Info("adding new mirror component to md")
- if not rpc.call_blockdev_addchild(instance.primary_node,
- disk, new_drbd):
+ if not rpc.call_blockdev_addchildren(instance.primary_node,
+ disk, [new_drbd]):
logger.Error("Can't add mirror compoment to md!")
self.cfg.SetDiskID(new_drbd, remote_node)
if not rpc.call_blockdev_remove(remote_node, new_drbd):
raise errors.OpPrereqError("Can't find this device ('%s') in the"
" instance." % self.op.disk_name)
for child in disk.children:
- if child.dev_type == "drbd" and child.logical_id[2] == self.op.disk_id:
+ if (child.dev_type == constants.LD_DRBD7 and
+ child.logical_id[2] == self.op.disk_id):
break
else:
raise errors.OpPrereqError("Can't find the device with this port.")
child = self.child
logger.Info("remove mirror component")
self.cfg.SetDiskID(disk, instance.primary_node)
- if not rpc.call_blockdev_removechild(instance.primary_node,
- disk, child):
+ if not rpc.call_blockdev_removechildren(instance.primary_node,
+ disk, [child]):
raise errors.OpExecError("Can't remove child from mirror.")
for node in child.logical_id[:2]:
# the device exists now
# call the primary node to add the mirror to md
logger.Info("adding new mirror component to md")
- if not rpc.call_blockdev_addchild(instance.primary_node, dev,
- new_drbd):
+ if not rpc.call_blockdev_addchildren(instance.primary_node, dev,
+ [new_drbd]):
logger.Error("Can't add mirror compoment to md!")
cfg.SetDiskID(new_drbd, remote_node)
if not rpc.call_blockdev_remove(remote_node, new_drbd):
dev, child, new_drbd = iv_names[name]
logger.Info("remove mirror %s component" % name)
cfg.SetDiskID(dev, instance.primary_node)
- if not rpc.call_blockdev_removechild(instance.primary_node,
- dev, child):
+ if not rpc.call_blockdev_removechildren(instance.primary_node,
+ dev, [child]):
logger.Error("Can't remove child from mirror, aborting"
" *this device cleanup*.\nYou need to cleanup manually!!")
continue
"""
self.cfg.SetDiskID(dev, instance.primary_node)
dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev)
- if dev.dev_type == "drbd":
+ if dev.dev_type in constants.LDS_DRBD:
# we change the snode then (otherwise we use the one passed in)
if dev.logical_id[0] == instance.primary_node:
snode = dev.logical_id[1]
"memory": instance.memory,
"nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics],
"disks": disks,
+ "vcpus": instance.vcpus,
}
result[instance.name] = idict
logger.Error("could not snapshot block device %s on node %s" %
(disk.logical_id[1], src_node))
else:
- new_dev = objects.Disk(dev_type="lvm", size=disk.size,
+ new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size,
logical_id=(vgname, new_dev_name),
physical_id=(vgname, new_dev_name),
iv_name=disk.iv_name)
projects / ganeti-local / blobdiff