def _init_cluster(self, cfg):
"""Initializes the cfg object"""
me = netutils.Hostname()
ip = constants.IP4_ADDRESS_LOCALHOST
# master_ip must not conflict with the node ip address
master_ip = "127.0.0.2"
cluster_config = objects.Cluster(
serial_no=1,
rsahostkeypub="",
dsahostkeypub="",
highest_used_port=(constants.FIRST_DRBD_PORT - 1),
mac_prefix="aa:00:00",
volume_group_name="xenvg",
drbd_usermode_helper="/bin/true",
nicparams={constants.PP_DEFAULT: constants.NICC_DEFAULTS},
ndparams=constants.NDC_DEFAULTS,
tcpudp_port_pool=set(),
enabled_hypervisors=[constants.HT_FAKE],
master_node=me.name,
master_ip=master_ip,
master_netdev=constants.DEFAULT_BRIDGE,
cluster_name="cluster.local",
file_storage_dir="/tmp",
uid_pool=[],
)
master_node_config = objects.Node(name=me.name,
primary_ip=me.ip,
secondary_ip=ip,
serial_no=1,
master_candidate=True)
bootstrap.InitConfig(constants.CONFIG_VERSION, cluster_config,
master_node_config, self.cfg_file)
def testAssignGroupNodes(self):
me = netutils.Hostname()
cfg = self._get_object()
# Create two groups
grp1 = objects.NodeGroup(name="grp1",
members=[],
uuid="2f2fadf7-2a70-4a23-9ab5-2568c252032c")
grp1_serial = 1
cfg.AddNodeGroup(grp1, "job")
grp2 = objects.NodeGroup(name="grp2",
members=[],
uuid="798d0de3-680f-4a0e-b29a-0f54f693b3f1")
grp2_serial = 1
cfg.AddNodeGroup(grp2, "job")
self.assertEqual(
set(
map(operator.attrgetter("name"),
cfg.GetAllNodeGroupsInfo().values())),
set(["grp1", "grp2", constants.INITIAL_NODE_GROUP_NAME]))
# No-op
cluster_serial = cfg.GetClusterInfo().serial_no
cfg.AssignGroupNodes([])
cluster_serial += 1
# Create two nodes
node1 = objects.Node(name="node1",
group=grp1.uuid,
ndparams={},
uuid="node1-uuid")
node1_serial = 1
node2 = objects.Node(name="node2",
group=grp2.uuid,
ndparams={},
uuid="node2-uuid")
node2_serial = 1
cfg.AddNode(node1, "job")
cfg.AddNode(node2, "job")
cluster_serial += 2
self.assertEqual(
set(cfg.GetNodeList()),
set([
"node1-uuid", "node2-uuid",
cfg.GetNodeInfoByName(me.name).uuid
]))
(grp1, grp2) = [cfg.GetNodeGroup(grp.uuid) for grp in (grp1, grp2)]
def _VerifySerials():
self.assertEqual(cfg.GetClusterInfo().serial_no, cluster_serial)
self.assertEqual(node1.serial_no, node1_serial)
self.assertEqual(node2.serial_no, node2_serial)
self.assertEqual(grp1.serial_no, grp1_serial)
self.assertEqual(grp2.serial_no, grp2_serial)
_VerifySerials()
self.assertEqual(set(grp1.members), set(["node1-uuid"]))
self.assertEqual(set(grp2.members), set(["node2-uuid"]))
# Check invalid nodes and groups
self.assertRaises(errors.ConfigurationError, cfg.AssignGroupNodes, [
("unknown.node.example.com", grp2.uuid),
])
self.assertRaises(errors.ConfigurationError, cfg.AssignGroupNodes, [
(node1.name, "unknown-uuid"),
])
self.assertEqual(node1.group, grp1.uuid)
self.assertEqual(node2.group, grp2.uuid)
self.assertEqual(set(grp1.members), set(["node1-uuid"]))
self.assertEqual(set(grp2.members), set(["node2-uuid"]))
# Another no-op
cfg.AssignGroupNodes([])
cluster_serial += 1
_VerifySerials()
# Assign to the same group (should be a no-op)
self.assertEqual(node2.group, grp2.uuid)
cfg.AssignGroupNodes([
(node2.uuid, grp2.uuid),
])
cluster_serial += 1
self.assertEqual(node2.group, grp2.uuid)
_VerifySerials()
self.assertEqual(set(grp1.members), set(["node1-uuid"]))
self.assertEqual(set(grp2.members), set(["node2-uuid"]))
# Assign node 2 to group 1
self.assertEqual(node2.group, grp2.uuid)
cfg.AssignGroupNodes([
(node2.uuid, grp1.uuid),
])
(grp1, grp2) = [cfg.GetNodeGroup(grp.uuid) for grp in (grp1, grp2)]
(node1,
node2) = [cfg.GetNodeInfo(node.uuid) for node in (node1, node2)]
cluster_serial += 1
node2_serial += 1
grp1_serial += 1
grp2_serial += 1
self.assertEqual(node2.group, grp1.uuid)
_VerifySerials()
self.assertEqual(set(grp1.members), set(["node1-uuid", "node2-uuid"]))
self.assertFalse(grp2.members)
# And assign both nodes to group 2
self.assertEqual(node1.group, grp1.uuid)
self.assertEqual(node2.group, grp1.uuid)
self.assertNotEqual(grp1.uuid, grp2.uuid)
cfg.AssignGroupNodes([
(node1.uuid, grp2.uuid),
(node2.uuid, grp2.uuid),
])
(grp1, grp2) = [cfg.GetNodeGroup(grp.uuid) for grp in (grp1, grp2)]
(node1,
node2) = [cfg.GetNodeInfo(node.uuid) for node in (node1, node2)]
cluster_serial += 1
node1_serial += 1
node2_serial += 1
grp1_serial += 1
grp2_serial += 1
self.assertEqual(node1.group, grp2.uuid)
self.assertEqual(node2.group, grp2.uuid)
_VerifySerials()
self.assertFalse(grp1.members)
self.assertEqual(set(grp2.members), set(["node1-uuid", "node2-uuid"]))