def ui_command_create(self, tag=None):
'''
Creates a new Target Portal Group within the target. The I{tag} must be
a strictly positive integer value. If omitted, the next available
Target Portal Group Tag (TPGT) will be used.
SEE ALSO
========
B{delete}
'''
self.assert_root()
tpg = TPG(self.rtsnode, tag, mode='create')
if self.shell.prefs['auto_enable_tpgt']:
tpg.enable = True
if tpg.has_feature("auth"):
tpg.set_attribute("authentication", 0)
self.shell.log.info("Created TPG %s." % tpg.tag)
if tpg.has_feature("nps"):
NetworkPortal(tpg, "0.0.0.0")
self.shell.log.info("Created default portal listening on all IPs"
" (0.0.0.0), port 3260.")
ui_tpg = UITPG(tpg, self)
return self.new_node(ui_tpg)
def ui_command_delete(self, tag):
'''
Deletes the Target Portal Group with TPGT I{tag} from the target. The
I{tag} must be a positive integer matching an existing TPGT.
SEE ALSO
========
B{create}
'''
self.assert_root()
if tag.startswith("tpg"):
tag = tag[3:]
tpg = TPG(self.rtsnode, int(tag), mode='lookup')
tpg.delete()
self.shell.log.info("Deleted TPGT %s." % tag)
self.refresh()
def ui_command_create(self, tag=None):
'''
Creates a new Target Portal Group within the target. The I{tag} must be
a strictly positive integer value. If omitted, the next available
Target Portal Group Tag (TPG) will be used.
SEE ALSO
========
B{delete}
'''
self.assert_root()
if tag is None:
tags = [tpg.tag for tpg in self.rtsnode.tpgs]
for index in range(1048576):
if index not in tags and index > 0:
tag = index
break
if tag is None:
self.shell.log.error("Cannot find an available TPG Tag.")
return
else:
self.shell.log.info("Selected TPG Tag %d." % tag)
else:
try:
tag = int(tag)
except ValueError:
self.shell.log.error("The TPG Tag must be an integer value.")
return
else:
if tag < 0:
self.shell.log.error("The TPG Tag must be 0 or more.")
return
tpg = TPG(self.rtsnode, tag, mode='create')
if self.shell.prefs['auto_enable_tpgt']:
tpg.enable = True
self.shell.log.info("Created TPG %s." % tpg.tag)
ui_tpg = UITPG(tpg, self)
return self.new_node(ui_tpg)
def apply_delete_obj(obj):
'''
Deletes an object from the live system.
'''
# TODO Factorize this when stable
# TODO storage fabric cannot be deleted from the system, find a way to
# handle this when i.e. path 'storage fileio' is in current config, but
# no objects are hanging under it.
root = get_root()
log.debug("apply_delete(%s)" % obj.data)
if obj.key[0] == 'mapped_lun':
acl = obj.parent
if acl.parent.key[0] == 'tpgt':
tpg = acl.parent
target = tpg.parent
else:
tpg = None
target = acl.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
node_wwn = acl.key[1]
lio_acl = NodeACL(lio_tpg, node_wwn, mode='lookup')
mlun = int(obj.key[1])
lio_mlun = MappedLUN(lio_acl, mlun)
lio_mlun.delete()
elif obj.key[0] == 'acl':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
node_wwn = obj.key[1]
lio_acl = NodeACL(lio_tpg, node_wwn, mode='lookup')
lio_acl.delete()
elif obj.key[0] == 'portal':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
(address, _, port) = obj.key[1].partition(':')
port = int(port)
lio_portal = NetworkPortal(lio_tpg, address, port, mode='lookup')
lio_portal.delete()
elif obj.key[0] == 'lun':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
lun = int(obj.key[1])
lio_lun = LUN(lio_tpg, lun)
lio_lun.delete()
elif obj.key[0] == 'tpgt':
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
tpgt = int(obj.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
# FIXME IS this really needed ?
lio_tpg.enable = True
lio_tpg.delete()
elif obj.key[0] == 'target':
fabric = obj.parent
wwn = obj.key[1]
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=wwn, mode='lookup')
lio_target.delete()
elif obj.key[0] == 'disk':
plugin = obj.parent.key[1]
name = obj.key[1]
matching_lio_so = [
so for so in root.storage_objects
if so.backstore.plugin == plugin and so.name == name
]
log.debug("Looking for storage object %s in %s" %
(obj.path_str,
str([
"%s/%s" % (so.backstore.plugin, so.name)
for so in root.storage_objects
])))
if len(matching_lio_so) > 1:
raise ConfigError("Detected unsupported configfs storage objects "
"allocation schema for storage object '%s'" %
obj.path_str)
elif len(matching_lio_so) == 0:
raise ConfigError("Could not find storage object '%s'" %
obj.path_str)
else:
lio_so = matching_lio_so[0]
lio_so.delete()
def apply_create_obj(obj):
'''
Creates an object on the live system.
'''
# TODO Factorize this when stable, merging it with update and delete,
# leveraging rtslib 'any' mode (create if not exist)
# TODO storage
root = get_root()
log.debug("apply_create(%s)" % obj.data)
if obj.key[0] == 'mapped_lun':
acl = obj.parent
if acl.parent.key[0] == 'tpgt':
tpg = acl.parent
target = tpg.parent
else:
tpg = None
target = acl.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
node_wwn = acl.key[1]
lio_acl = NodeACL(lio_tpg, node_wwn, mode='lookup')
mlun = int(obj.key[1])
write_protect = obj_attr(obj, "write_protect")
tpg_lun = int(obj_attr(obj, "target_lun").rpartition(' ')[2])
lio_mlun = MappedLUN(lio_acl, mlun, tpg_lun, write_protect)
apply_group_attrs(obj, lio_mlun)
elif obj.key[0] == 'acl':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
node_wwn = obj.key[1]
lio_acl = NodeACL(lio_tpg, node_wwn)
apply_group_attrs(obj, lio_acl)
elif obj.key[0] == 'portal':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
(address, _, port) = obj.key[1].partition(':')
port = int(port)
lio_portal = NetworkPortal(lio_tpg, address, port)
apply_group_attrs(obj, lio_portal)
elif obj.key[0] == 'lun':
if obj.parent.key[0] == 'tpgt':
tpg = obj.parent
target = tpg.parent
else:
tpg = None
target = obj.parent
fabric = target.parent
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
if tpg is None:
tpgt = 1
else:
tpgt = int(tpg.key[1])
lio_tpg = TPG(lio_target, tpgt, mode='lookup')
lun = int(obj.key[1])
(plugin, name) = obj_attr(obj, "backend")
# TODO move that to a separate function, use for disk too
matching_lio_so = [
so for so in root.storage_objects
if so.backstore.plugin == plugin and so.name == name
]
if len(matching_lio_so) > 1:
raise ConfigError("Detected unsupported configfs storage objects "
"allocation schema for storage object '%s'" %
obj.path_str)
elif len(matching_lio_so) == 0:
raise ConfigError(
"Could not find storage object '%s %s' for '%s'" %
(plugin, name, obj.path_str))
else:
lio_so = matching_lio_so[0]
lio_lun = LUN(lio_tpg, lun, lio_so)
apply_group_attrs(obj, lio_lun)
elif obj.key[0] == 'tpgt':
target = obj.parent
fabric = target.parent
has_enable = len(obj.search([("enable", ".*")])) != 0
if has_enable:
enable = obj_attr(obj, "enable")
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=target.key[1], mode='lookup')
tpgt = int(obj.key[1])
try:
nexus_wwn = obj_attr(obj, "nexus_wwn")
lio_tpg = TPG(lio_target, tpgt, nexus_wwn=nexus_wwn)
except ConfigError:
lio_tpg = TPG(lio_target, tpgt)
if has_enable:
lio_tpg.enable = enable
apply_group_attrs(obj, lio_tpg)
elif obj.key[0] == 'target':
fabric = obj.parent
wwn = obj.key[1]
lio_fabric = FabricModule(fabric.key[1])
lio_target = Target(lio_fabric, wwn=wwn)
apply_group_attrs(obj, lio_target)
if not lio_target.has_feature("tpgts"):
try:
nexus_wwn = obj_attr(obj, "nexus_wwn")
lio_tpg = TPG(lio_target, 1, nexus_wwn=nexus_wwn)
except ConfigError:
lio_tpg = TPG(lio_target, 1)
if len(obj.search([("enable", ".*")])) != 0:
lio_tpg.enable = True
elif obj.key[0] == 'fabric':
lio_fabric = FabricModule(obj.key[1])
apply_group_attrs(obj, lio_fabric)
elif obj.key[0] == 'disk':
plugin = obj.parent.key[1]
name = obj.key[1]
idx = max([0] +
[b.index for b in root.backstores if b.plugin == plugin]) + 1
if plugin == 'fileio':
dev = obj_attr(obj, "path")
size = obj_attr(obj, "size")
try:
wwn = obj_attr(obj, "wwn")
except ConfigError:
wwn = None
buffered = obj_attr(obj, "buffered")
lio_bs = FileIOBackstore(idx)
lio_so = lio_bs.storage_object(name, dev, size, wwn, buffered)
apply_group_attrs(obj, lio_so)
elif plugin == 'iblock':
# TODO Add policy for iblock
lio_bs = IBlockBackstore(idx)
dev = obj_attr(obj, "path")
wwn = obj_attr(obj, "wwn")
lio_so = lio_bs.storage_object(name, dev, wwn)
apply_group_attrs(obj, lio_so)
elif plugin == 'pscsi':
# TODO Add policy for pscsi
lio_bs = PSCSIBackstore(idx)
dev = obj_attr(obj, "path")
lio_so = lio_bs.storage_object(name, dev)
apply_group_attrs(obj, lio_so)
elif plugin == 'rd_mcp':
# TODO Add policy for rd_mcp
lio_bs = RDMCPBackstore(idx)
size = obj_attr(obj, "size")
wwn = obj_attr(obj, "wwn")
nullio = obj_attr(obj, "nullio")
lio_so = lio_bs.storage_object(name, size, wwn, nullio)
apply_group_attrs(obj, lio_so)
else:
raise ConfigError("Unknown backend '%s' for backstore '%s'" %
(plugin, obj))
matching_lio_so = [
so for so in root.storage_objects
if so.backstore.plugin == plugin and so.name == name
]
if len(matching_lio_so) > 1:
raise ConfigError("Detected unsupported configfs storage objects "
"allocation schema for '%s'" % obj.path_str)
elif len(matching_lio_so) == 0:
raise ConfigError("Could not find backstore '%s'" % obj.path_str)
else:
lio_so = matching_lio_so[0]
def __init__(self, target, parent):
super(UITarget, self).__init__(TPG(target, 1), parent)
self._name = target.wwn
self.target = target
if self.parent.name != "sbp":
self.rtsnode.enable = True
def __init__(self, target, parent):
UITPG.__init__(self, TPG(target, 1), parent)
self._name = target.wwn
self.target = target
self.rtsnode.enable = True