return results
+def _ComputeLDParams(disk_template, disk_params):
+ """Computes Logical Disk parameters from Disk Template parameters.
+
+ @type disk_template: string
+ @param disk_template: disk template, one of L{constants.DISK_TEMPLATES}
+ @type disk_params: dict
+ @param disk_params: disk template parameters; dict(template_name -> parameters
+ @rtype: list(dict)
+ @return: a list of dicts, one for each node of the disk hierarchy. Each dict
+ contains the LD parameters of the node. The tree is flattened in-order.
+
+ """
+ if disk_template not in constants.DISK_TEMPLATES:
+ raise errors.ProgrammerError("Unknown disk template %s" % disk_template)
+
+ result = list()
+ dt_params = disk_params[disk_template]
+ if disk_template == constants.DT_DRBD8:
+ drbd_params = {
+ constants.RESYNC_RATE: dt_params[constants.DRBD_RESYNC_RATE]
+ }
+
+ drbd_params = \
+ objects.FillDict(constants.DISK_LD_DEFAULTS[constants.LD_DRBD8],
+ drbd_params)
+
+ result.append(drbd_params)
+
+ # data LV
+ data_params = {
+ constants.STRIPES: dt_params[constants.DRBD_DATA_STRIPES],
+ }
+ data_params = \
+ objects.FillDict(constants.DISK_LD_DEFAULTS[constants.LD_LV],
+ data_params)
+ result.append(data_params)
+
+ # metadata LV
+ meta_params = {
+ constants.STRIPES: dt_params[constants.DRBD_META_STRIPES],
+ }
+ meta_params = \
+ objects.FillDict(constants.DISK_LD_DEFAULTS[constants.LD_LV],
+ meta_params)
+ result.append(meta_params)
+
+ elif (disk_template == constants.DT_FILE or
+ disk_template == constants.DT_SHARED_FILE):
+ result.append(constants.DISK_LD_DEFAULTS[constants.LD_FILE])
+
+ elif disk_template == constants.DT_PLAIN:
+ params = {
+ constants.STRIPES: dt_params[constants.LV_STRIPES],
+ }
+ params = \
+ objects.FillDict(constants.DISK_LD_DEFAULTS[constants.LD_LV],
+ params)
+ result.append(params)
+
+ elif disk_template == constants.DT_BLOCK:
+ result.append(constants.DISK_LD_DEFAULTS[constants.LD_BLOCKDEV])
+
+ return result
+
+
def _GenerateDRBD8Branch(lu, primary, secondary, size, vgnames, names,
- iv_name, p_minor, s_minor):
+ iv_name, p_minor, s_minor, drbd_params, data_params,
+ meta_params):
"""Generate a drbd8 device complete with its children.
"""
assert len(vgnames) == len(names) == 2
port = lu.cfg.AllocatePort()
shared_secret = lu.cfg.GenerateDRBDSecret(lu.proc.GetECId())
+
dev_data = objects.Disk(dev_type=constants.LD_LV, size=size,
- logical_id=(vgnames[0], names[0]))
+ logical_id=(vgnames[0], names[0]),
+ params=data_params)
dev_meta = objects.Disk(dev_type=constants.LD_LV, size=DRBD_META_SIZE,
- logical_id=(vgnames[1], names[1]))
+ logical_id=(vgnames[1], names[1]),
+ params=meta_params)
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)
+ iv_name=iv_name, params=drbd_params)
return drbd_dev
instance_name, primary_node,
secondary_nodes, disk_info,
file_storage_dir, file_driver,
- base_index, feedback_fn):
+ base_index, feedback_fn, disk_params):
"""Generate the entire disk layout for a given template type.
"""
vgname = lu.cfg.GetVGName()
disk_count = len(disk_info)
disks = []
+ ld_params = _ComputeLDParams(template_name, disk_params)
if template_name == constants.DT_DISKLESS:
pass
elif template_name == constants.DT_PLAIN:
size=disk[constants.IDISK_SIZE],
logical_id=(vg, names[idx]),
iv_name="disk/%d" % disk_index,
- mode=disk[constants.IDISK_MODE])
+ mode=disk[constants.IDISK_MODE],
+ params=ld_params[0])
disks.append(disk_dev)
elif template_name == constants.DT_DRBD8:
+ drbd_params, data_params, meta_params = ld_params
if len(secondary_nodes) != 1:
raise errors.ProgrammerError("Wrong template configuration")
remote_node = secondary_nodes[0]
[data_vg, meta_vg],
names[idx * 2:idx * 2 + 2],
"disk/%d" % disk_index,
- minors[idx * 2], minors[idx * 2 + 1])
+ minors[idx * 2], minors[idx * 2 + 1],
+ drbd_params, data_params, meta_params)
disk_dev.mode = disk[constants.IDISK_MODE]
disks.append(disk_dev)
elif template_name == constants.DT_FILE:
logical_id=(file_driver,
"%s/disk%d" % (file_storage_dir,
disk_index)),
- mode=disk[constants.IDISK_MODE])
+ mode=disk[constants.IDISK_MODE],
+ params=ld_params[0])
disks.append(disk_dev)
elif template_name == constants.DT_SHARED_FILE:
if len(secondary_nodes) != 0:
logical_id=(file_driver,
"%s/disk%d" % (file_storage_dir,
disk_index)),
- mode=disk[constants.IDISK_MODE])
+ mode=disk[constants.IDISK_MODE],
+ params=ld_params[0])
disks.append(disk_dev)
elif template_name == constants.DT_BLOCK:
if len(secondary_nodes) != 0:
logical_id=(constants.BLOCKDEV_DRIVER_MANUAL,
disk[constants.IDISK_ADOPT]),
iv_name="disk/%d" % disk_index,
- mode=disk[constants.IDISK_MODE])
+ mode=disk[constants.IDISK_MODE],
+ params=ld_params[0])
disks.append(disk_dev)
else:
_CheckNodeVmCapable(self, self.op.snode)
self.secondaries.append(self.op.snode)
+ snode = self.cfg.GetNodeInfo(self.op.snode)
+ if pnode.group != snode.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")
+
nodenames = [pnode.name] + self.secondaries
+ # disk parameters (not customizable at instance or node level)
+ # just use the primary node parameters, ignoring the secondary.
+ self.diskparams = self.cfg.GetNodeGroup(pnode.group).diskparams
+
if not self.adopt_disks:
# Check lv size requirements, if not adopting
req_sizes = _ComputeDiskSizePerVG(self.op.disk_template, self.disks)
self.instance_file_storage_dir,
self.op.file_driver,
0,
- feedback_fn)
+ feedback_fn,
+ self.diskparams)
iobj = objects.Instance(name=instance, os=self.op.os_type,
primary_node=pnode_name,
if not self.disks:
self.disks = range(len(self.instance.disks))
+ # TODO: compute disk parameters
+ primary_node_info = self.cfg.GetNodeInfo(instance.primary_node)
+ secondary_node_info = self.cfg.GetNodeInfo(secondary_node)
+ if primary_node_info.group != secondary_node_info.group:
+ self.lu.LogInfo("The instance primary and secondary nodes are in two"
+ " different node groups; the disk parameters of the"
+ " primary node's group will be applied.")
+
+ self.diskparams = self.cfg.GetNodeGroup(primary_node_info.group).diskparams
+
for node in check_nodes:
_CheckNodeOnline(self.lu, node)
lv_names = [".disk%d_%s" % (idx, suffix) for suffix in ["data", "meta"]]
names = _GenerateUniqueNames(self.lu, lv_names)
+ _, data_p, meta_p = _ComputeLDParams(constants.DT_DRBD8, self.diskparams)
+
vg_data = dev.children[0].logical_id[0]
lv_data = objects.Disk(dev_type=constants.LD_LV, size=dev.size,
- logical_id=(vg_data, names[0]))
+ logical_id=(vg_data, names[0]), params=data_p)
vg_meta = dev.children[1].logical_id[0]
lv_meta = objects.Disk(dev_type=constants.LD_LV, size=DRBD_META_SIZE,
- logical_id=(vg_meta, names[1]))
+ logical_id=(vg_meta, names[1]), params=meta_p)
new_lvs = [lv_data, lv_meta]
old_lvs = [child.Copy() for child in dev.children]
iv_names[idx] = (dev, dev.children, new_net_id)
logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
new_net_id)
+ drbd_params, _, _ = _ComputeLDParams(constants.DT_DRBD8, self.diskparams)
new_drbd = objects.Disk(dev_type=constants.LD_DRBD8,
logical_id=new_alone_id,
children=dev.children,
- size=dev.size)
+ size=dev.size,
+ params=drbd_params)
try:
_CreateSingleBlockDev(self.lu, self.new_node, self.instance, new_drbd,
_GetInstanceInfoText(self.instance), False)
"Cannot retrieve locked instance %s" % self.op.instance_name
pnode = instance.primary_node
nodelist = list(instance.all_nodes)
+ pnode_info = self.cfg.GetNodeInfo(pnode)
+ self.diskparams = self.cfg.GetNodeGroup(pnode_info.group).diskparams
# OS change
if self.op.os_name and not self.op.force:
required = _ComputeDiskSizePerVG(self.op.disk_template, disks)
_CheckNodesFreeDiskPerVG(self, [self.op.remote_node], required)
+ snode_info = self.cfg.GetNodeInfo(self.op.remote_node)
+ 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")
+
# hvparams processing
if self.op.hvparams:
hv_type = instance.hypervisor
for d in instance.disks]
new_disks = _GenerateDiskTemplate(self, self.op.disk_template,
instance.name, pnode, [snode],
- disk_info, None, None, 0, feedback_fn)
+ disk_info, None, None, 0, feedback_fn,
+ self.diskparams)
info = _GetInstanceInfoText(instance)
feedback_fn("Creating aditional volumes...")
# first, create the missing data and meta devices
[disk_dict],
file_path,
file_driver,
- disk_idx_base, feedback_fn)[0]
+ disk_idx_base,
+ feedback_fn,
+ self.diskparams)[0]
instance.disks.append(new_disk)
info = _GetInstanceInfoText(instance)
projects / ganeti-local / blobdiff