def setUp(self):
"""Configure the existing environment
"""
self.manager, self.proxy = tests.utils.setup_xmlrpc()
self.__options_1 = {
"uuid": _uuid.UUID("{bb75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": "server_1.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_1 = MySQLServer(**self.__options_1)
MySQLServer.add(self.__server_1)
self.__options_2 = {
"uuid": _uuid.UUID("{aa75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_2.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_2 = MySQLServer(**self.__options_2)
MySQLServer.add(self.__server_2)
self.__group_1 = Group("GROUPID1", "First description.")
Group.add(self.__group_1)
self.__group_1.add_server(self.__server_1)
self.__group_1.add_server(self.__server_2)
self.__options_3 = {
"uuid": _uuid.UUID("{cc75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": MySQLInstances().get_address(0),
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
uuid_server3 = MySQLServer.discover_uuid(self.__options_3["address"])
self.__options_3["uuid"] = _uuid.UUID(uuid_server3)
self.__server_3 = MySQLServer(**self.__options_3)
MySQLServer.add(self.__server_3)
self.__options_4 = {
"uuid": _uuid.UUID("{dd75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_4.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_4 = MySQLServer(**self.__options_4)
MySQLServer.add(self.__server_4)
self.__group_2 = Group("GROUPID2", "Second description.")
Group.add(self.__group_2)
self.__group_2.add_server(self.__server_3)
self.__group_2.add_server(self.__server_4)
tests.utils.configure_decoupled_master(self.__group_2, self.__server_3)
self.__options_5 = {
"uuid": _uuid.UUID("{ee75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": MySQLInstances().get_address(2),
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
uuid_server5 = MySQLServer.discover_uuid(self.__options_5["address"])
self.__options_5["uuid"] = _uuid.UUID(uuid_server5)
self.__server_5 = MySQLServer(**self.__options_5)
MySQLServer.add(self.__server_5)
self.__options_6 = {
"uuid": _uuid.UUID("{ff75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_6.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_6 = MySQLServer(**self.__options_6)
MySQLServer.add(self.__server_6)
self.__group_3 = Group("GROUPID3", "Third description.")
Group.add(self.__group_3)
self.__group_3.add_server(self.__server_5)
self.__group_3.add_server(self.__server_6)
tests.utils.configure_decoupled_master(self.__group_3, self.__server_5)
self.__options_1_host, self.__options_1_port = \
server_utils.split_host_port(self.__options_1["address"], 13001)
self.__options_2_host, self.__options_2_port = \
server_utils.split_host_port(self.__options_2["address"], 13001)
self.__options_3_host, self.__options_3_port = \
server_utils.split_host_port(self.__options_3["address"], 13001)
self.__options_4_host, self.__options_4_port = \
server_utils.split_host_port(self.__options_4["address"], 13001)
self.__options_5_host, self.__options_5_port = \
server_utils.split_host_port(self.__options_5["address"], 13001)
self.__options_6_host, self.__options_6_port = \
server_utils.split_host_port(self.__options_6["address"], 13001)
group_4 = Group("GROUPID4", "4TH description.")
Group.add(group_4)
group_5 = Group("GROUPID5", "5TH description.")
Group.add(group_5)
group_6 = Group("GROUPID6", "6TH description.")
Group.add(group_6)
group_7 = Group("GROUPID7", "7TH description.")
Group.add(group_7)
group_8 = Group("GROUPID8", "8TH description.")
Group.add(group_8)
group_9 = Group("GROUPID9", "9TH description.")
Group.add(group_9)
group_10 = Group("GROUPID10", "10TH description.")
Group.add(group_10)
group_11 = Group("GROUPID11", "11TH description.")
Group.add(group_11)
group_12 = Group("GROUPID12", "12TH description.")
Group.add(group_12)
group_13 = Group("GROUPID13", "13TH description.")
Group.add(group_13)
group_14 = Group("GROUPID14", "14TH description.")
Group.add(group_14)
self.__shard_mapping_list = ShardMapping.list_shard_mapping_defn()
self.assertEquals(self.__shard_mapping_list, [])
self.__shard_mapping_id_1 = ShardMapping.define("RANGE", "GROUPID10")
self.__shard_mapping_id_2 = ShardMapping.define("RANGE", "GROUPID11")
self.__shard_mapping_id_3 = ShardMapping.define("RANGE", "GROUPID12")
#Test with sharding type values in lower case
self.__shard_mapping_id_4 = ShardMapping.define("range", "GROUPID13")
self.__shard_mapping_id_5 = ShardMapping.define("range", "GROUPID14")
self.__shard_mapping_1 = \
ShardMapping.add(self.__shard_mapping_id_1, "db1.t1", "userID1")
self.__shard_mapping_2 = \
ShardMapping.add(self.__shard_mapping_id_2, "db2.t2", "userID2")
self.__shard_mapping_3 = \
ShardMapping.add(self.__shard_mapping_id_3, "db3.t3", "userID3")
self.__shard_mapping_4 = \
ShardMapping.add(self.__shard_mapping_id_4, "db4.t4", "userID4")
self.__shard_mapping_5 = \
ShardMapping.add(self.__shard_mapping_id_5, "prune_db.prune_table",
"userID")
self.__shard_id_1 = Shards.add("GROUPID1", "ENABLED")
self.__shard_id_2 = Shards.add("GROUPID10", "ENABLED")
self.__shard_id_3 = Shards.add("GROUPID11", "DISABLED")
self.__shard_id_4 = Shards.add("GROUPID4", "ENABLED")
self.__shard_id_5 = Shards.add("GROUPID5", "ENABLED")
self.__shard_id_6 = Shards.add("GROUPID6", "ENABLED")
self.__shard_id_7 = Shards.add("GROUPID7", "ENABLED")
self.__shard_id_8 = Shards.add("GROUPID8", "ENABLED")
self.__shard_id_9 = Shards.add("GROUPID9", "ENABLED")
self.__shard_id_10 = Shards.add("GROUPID2", "ENABLED")
self.__shard_id_11 = Shards.add("GROUPID3", "ENABLED")
self.__range_sharding_specification_1 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 0,
self.__shard_id_1.shard_id)
self.__range_sharding_specification_2 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 1001,
self.__shard_id_2.shard_id)
self.__range_sharding_specification_3 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 2001,
self.__shard_id_3.shard_id)
self.__range_sharding_specification_4 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id, 3001,
self.__shard_id_4.shard_id)
self.__range_sharding_specification_5 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id, 4001,
self.__shard_id_5.shard_id)
self.__range_sharding_specification_6 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id, 6001,
self.__shard_id_6.shard_id)
self.__range_sharding_specification_7 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id, 7001,
self.__shard_id_7.shard_id)
self.__range_sharding_specification_8 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id, 8001,
self.__shard_id_8.shard_id)
self.__range_sharding_specification_9 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id, 10001,
self.__shard_id_9.shard_id)
self.__range_sharding_specification_10 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id, 100,
self.__shard_id_10.shard_id)
self.__range_sharding_specification_11 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id, 201,
self.__shard_id_11.shard_id)
READ_ONLY = MySQLServer.get_mode_idx(MySQLServer.READ_ONLY)
READ_WRITE = MySQLServer.get_mode_idx(MySQLServer.READ_WRITE)
SECONDARY = MySQLServer.get_status_idx(MySQLServer.SECONDARY)
PRIMARY = MySQLServer.get_status_idx(MySQLServer.PRIMARY)
self.__setofservers = tests.utils.make_servers_result(
[[
str(self.__server_1.uuid), 'GROUPID1', self.__options_1_host,
self.__options_1_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_2.uuid), 'GROUPID1', self.__options_2_host,
self.__options_2_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_3.uuid), 'GROUPID2', self.__options_3_host,
self.__options_3_port, READ_WRITE, PRIMARY, 1.0
],
[
str(self.__server_4.uuid), 'GROUPID2', self.__options_4_host,
self.__options_4_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_5.uuid), 'GROUPID3', self.__options_5_host,
self.__options_5_port, READ_WRITE, PRIMARY, 1.0
],
[
str(self.__server_6.uuid), 'GROUPID3', self.__options_6_host,
self.__options_6_port, READ_ONLY, SECONDARY, 1.0
]])
self.__setofservers_1 = tests.utils.make_servers_result(
[[
str(self.__server_1.uuid), 'GROUPID1', self.__options_1_host,
self.__options_1_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_2.uuid), 'GROUPID1', self.__options_2_host,
self.__options_2_port, READ_ONLY, SECONDARY, 1.0
]])
self.__setofservers_2 = tests.utils.make_servers_result(
[[
str(self.__server_1.uuid), 'GROUPID1', self.__options_1_host,
self.__options_1_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_2.uuid), 'GROUPID1', self.__options_2_host,
self.__options_2_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_3.uuid), 'GROUPID2', self.__options_3_host,
self.__options_3_port, READ_WRITE, PRIMARY, 1.0
],
[
str(self.__server_4.uuid), 'GROUPID2', self.__options_4_host,
self.__options_4_port, READ_ONLY, SECONDARY, 1.0
]])
self.__setofservers_3 = tests.utils.make_servers_result(
[[
str(self.__server_1.uuid), 'GROUPID1', self.__options_1_host,
self.__options_1_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_2.uuid), 'GROUPID1', self.__options_2_host,
self.__options_2_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_3.uuid), 'GROUPID2', self.__options_3_host,
self.__options_3_port, READ_WRITE, PRIMARY, 1.0
],
[
str(self.__server_4.uuid), 'GROUPID2', self.__options_4_host,
self.__options_4_port, READ_ONLY, SECONDARY, 1.0
],
[
str(self.__server_5.uuid), 'GROUPID3', self.__options_5_host,
self.__options_5_port, READ_WRITE, PRIMARY, 1.0
],
[
str(self.__server_6.uuid), 'GROUPID3', self.__options_6_host,
self.__options_6_port, READ_ONLY, SECONDARY, 1.0
]])
self.__setoftables = tests.utils.make_tables_result(
[['db1', 't1', 'userID1', '1'], ['db2', 't2', 'userID2', '2'],
['db3', 't3', 'userID3', '3'], ['db4', 't4', 'userID4', '4'],
['prune_db', 'prune_table', 'userID', '5']])
self.__setoftables_1 = tests.utils.make_tables_result(
[['db1', 't1', 'userID1', '1']])
self.__setoftables_2 = tests.utils.make_tables_result(
[['db1', 't1', 'userID1', '1'], ['db2', 't2', 'userID2', '2']])
self.__setoftables_3 = tests.utils.make_tables_result(
[['db1', 't1', 'userID1', '1'], ['db2', 't2', 'userID2', '2'],
['db3', 't3', 'userID3', '3']])
self.__setofshardmaps = tests.utils.make_mapping_result(
[['1', 'RANGE', 'GROUPID10'], ['2', 'RANGE', 'GROUPID11'],
['3', 'RANGE', 'GROUPID12'], ['4', 'RANGE', 'GROUPID13'],
['5', 'RANGE', 'GROUPID14']])
self.__setofshardmaps_1 = tests.utils.make_mapping_result(
[['1', 'RANGE', 'GROUPID10']])
self.__setofshardmaps_2 = tests.utils.make_mapping_result(
[['1', 'RANGE', 'GROUPID10'], ['2', 'RANGE', 'GROUPID11']])
self.__setofshardmaps_3 = tests.utils.make_mapping_result(
[['1', 'RANGE', 'GROUPID10'], ['2', 'RANGE', 'GROUPID11'],
['3', 'RANGE', 'GROUPID12']])
self.__setofshardindexes = tests.utils.make_index_result(
[['0', '1', '1', 'GROUPID1'], ['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'], ['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'], ['7001', '3', '7', 'GROUPID7'],
['8001', '4', '8', 'GROUPID8'], ['10001', '4', '9', 'GROUPID9'],
['100', '5', '10', 'GROUPID2'], ['201', '5', '11', 'GROUPID3']])
self.__setofshardindexes_1 = tests.utils.make_index_result(
[['0', '1', '1', 'GROUPID1'], ['1001', '1', '2', 'GROUPID10']])
self.__setofshardindexes_3 = tests.utils.make_index_result(
[['0', '1', '1', 'GROUPID1'], ['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'], ['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'], ['7001', '3', '7', 'GROUPID7']])
self.__setofshardindexes_5 = tests.utils.make_index_result(
[['0', '1', '1', 'GROUPID1'], ['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'], ['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'], ['7001', '3', '7', 'GROUPID7'],
['8001', '4', '8', 'GROUPID8'], ['10001', '4', '9', 'GROUPID9'],
['100', '5', '10', 'GROUPID2'], ['201', '5', '11', 'GROUPID3']])
self.__shardinginformation_1 = tests.utils.make_info_result(
[[
'db1', 't1', 'userID1', '0', '1', 'RANGE', 'GROUPID1',
'GROUPID10'
],
[
'db1', 't1', 'userID1', '1001', '2', 'RANGE', 'GROUPID10',
'GROUPID10'
]])
self.__shardinginformation_2 = tests.utils.make_info_result(
[[
'db1', 't1', 'userID1', '0', '1', 'RANGE', 'GROUPID1',
'GROUPID10'
],
[
'db1', 't1', 'userID1', '1001', '2', 'RANGE', 'GROUPID10',
'GROUPID10'
],
[
'db2', 't2', 'userID2', '3001', '4', 'RANGE', 'GROUPID4',
'GROUPID11'
],
[
'db2', 't2', 'userID2', '4001', '5', 'RANGE', 'GROUPID5',
'GROUPID11'
]])
self.__shardinginformation_3 = tests.utils.make_info_result(
[[
'db1', 't1', 'userID1', '0', '1', 'RANGE', 'GROUPID1',
'GROUPID10'
],
[
'db1', 't1', 'userID1', '1001', '2', 'RANGE', 'GROUPID10',
'GROUPID10'
],
[
'db2', 't2', 'userID2', '3001', '4', 'RANGE', 'GROUPID4',
'GROUPID11'
],
[
'db2', 't2', 'userID2', '4001', '5', 'RANGE', 'GROUPID5',
'GROUPID11'
],
[
'db3', 't3', 'userID3', '6001', '6', 'RANGE', 'GROUPID6',
'GROUPID12'
],
[
'db3', 't3', 'userID3', '7001', '7', 'RANGE', 'GROUPID7',
'GROUPID12'
]])
def _setup_shard_switch_split(shard_id, source_group_id, destination_group_id,
split_value, prune_limit, cmd, update_only):
"""Setup the moved shard to map to the new group.
:param shard_id: The shard ID of the shard that needs to be moved.
:param source_group_id: The group_id of the source shard.
:param destn_group_id: The ID of the group to which the shard needs to
be moved.
:param split_value: Indicates the value at which the range for the
particular shard will be split. Will be set only
for shard split operations.
:param prune_limit: The number of DELETEs that should be
done in one batch.
:param cmd: Indicates the type of re-sharding operation.
:update_only: Only update the state store and skip provisioning.
"""
#Fetch the Range sharding specification.
range_sharding_spec, source_shard, shard_mappings, shard_mapping_defn = \
_services_sharding.verify_and_fetch_shard(shard_id)
#Disable the old shard
source_shard.disable()
#Remove the old shard.
range_sharding_spec.remove()
source_shard.remove()
destination_group = Group.fetch(destination_group_id)
if destination_group is None:
raise _errors.ShardingError(_services_sharding.SHARD_GROUP_NOT_FOUND %
(destination_group_id, ))
destn_group_master = MySQLServer.fetch(destination_group.master)
if destn_group_master is None:
raise _errors.ShardingError(
_services_sharding.SHARD_GROUP_MASTER_NOT_FOUND)
destn_group_master.connect()
#Make the destination group as read only to disable updates until the
#connectors update their caches, thus avoiding inconsistency.
destn_group_master.read_only = True
#Add the new shards. Generate new shard IDs for the shard being
#split and also for the shard that is created as a result of the split.
new_shard_1 = Shards.add(source_shard.group_id, "DISABLED")
new_shard_2 = Shards.add(destination_group_id, "DISABLED")
#Both of the shard mappings associated with this shard_id should
#be of the same sharding type. Hence it is safe to use one of the
#shard mappings.
if shard_mappings[0].type_name == "HASH":
#In the case of a split involving a HASH sharding scheme,
#the shard that is split gets a new shard_id, while the split
#gets the new computed lower_bound and also a new shard id.
#NOTE: How the shard that is split retains its lower_bound.
HashShardingSpecification.add_hash_split(
range_sharding_spec.shard_mapping_id,
new_shard_1.shard_id,
range_sharding_spec.lower_bound
)
HashShardingSpecification.add_hash_split(
range_sharding_spec.shard_mapping_id,
new_shard_2.shard_id,
split_value
)
else:
#Add the new ranges. Note that the shard being split retains
#its lower_bound, while the new shard gets the computed,
#lower_bound.
RangeShardingSpecification.add(
range_sharding_spec.shard_mapping_id,
range_sharding_spec.lower_bound,
new_shard_1.shard_id
)
RangeShardingSpecification.add(
range_sharding_spec.shard_mapping_id,
split_value,
new_shard_2.shard_id
)
#The sleep ensures that the connector have refreshed their caches with the
#new shards that have been added as a result of the split.
time.sleep(_utils.TTL)
#The source shard group master would have been marked as read only
#during the sync. Remove the read_only flag.
source_group = Group.fetch(source_group_id)
if source_group is None:
raise _errors.ShardingError(_services_sharding.SHARD_GROUP_NOT_FOUND %
(source_group_id, ))
source_group_master = MySQLServer.fetch(source_group.master)
if source_group_master is None:
raise _errors.ShardingError(
_services_sharding.SHARD_GROUP_MASTER_NOT_FOUND)
source_group_master.connect()
#Kill all the existing connections on the servers
source_group.kill_connections_on_servers()
#Allow connections on the source group master
source_group_master.read_only = False
#Allow connections on the destination group master
destn_group_master.read_only = False
#Setup replication for the new group from the global server
_group_replication.setup_group_replication \
(shard_mapping_defn[2], destination_group_id)
#Enable the split shards
new_shard_1.enable()
new_shard_2.enable()
#Trigger changing the mappings for the shard that was copied
if not update_only:
_events.trigger_within_procedure(
PRUNE_SHARDS, new_shard_1.shard_id, new_shard_2.shard_id, prune_limit
)
def setUp(self):
"""Configure the existing environment
"""
self.__options_1 = {
"uuid" : _uuid.UUID("{bb75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_1.mysql.com:3060",
}
self.__server_1 = MySQLServer(**self.__options_1)
MySQLServer.add(self.__server_1)
self.__options_2 = {
"uuid" : _uuid.UUID("{aa75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_2.mysql.com:3060",
}
self.__server_2 = MySQLServer(**self.__options_2)
MySQLServer.add(self.__server_2)
self.__group_1 = Group("GROUPID1", "First description.")
Group.add(self.__group_1)
self.__group_1.add_server(self.__server_1)
self.__group_1.add_server(self.__server_2)
self.__options_3 = {
"uuid" : _uuid.UUID("{cc75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : MySQLInstances().get_address(0),
"user" : MySQLInstances().user,
"passwd" : MySQLInstances().passwd,
}
uuid_server3 = MySQLServer.discover_uuid(self.__options_3["address"])
self.__options_3["uuid"] = _uuid.UUID(uuid_server3)
self.__server_3 = MySQLServer(**self.__options_3)
MySQLServer.add(self.__server_3)
self.__server_3.connect()
self.__server_3.exec_stmt("DROP DATABASE IF EXISTS prune_db")
self.__server_3.exec_stmt("CREATE DATABASE prune_db")
self.__server_3.exec_stmt("CREATE TABLE prune_db.prune_table"
"(userID INT, name VARCHAR(30))")
self.__server_3.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(101, 'TEST 1')")
self.__server_3.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(202, 'TEST 2')")
self.__options_4 = {
"uuid" : _uuid.UUID("{dd75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_4.mysql.com:3060",
}
self.__server_4 = MySQLServer(**self.__options_4)
MySQLServer.add(self.__server_4)
self.__group_2 = Group("GROUPID2", "Second description.")
Group.add(self.__group_2)
self.__group_2.add_server(self.__server_3)
self.__group_2.add_server(self.__server_4)
tests.utils.configure_decoupled_master(self.__group_2, self.__server_3)
self.__options_5 = {
"uuid" : _uuid.UUID("{ee75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : MySQLInstances().get_address(2),
"user" : MySQLInstances().user,
"passwd" : MySQLInstances().passwd,
}
uuid_server5 = MySQLServer.discover_uuid(self.__options_5["address"])
self.__options_5["uuid"] = _uuid.UUID(uuid_server5)
self.__server_5 = MySQLServer(**self.__options_5)
MySQLServer.add(self.__server_5)
self.__server_5.connect()
self.__server_5.exec_stmt("DROP DATABASE IF EXISTS prune_db")
self.__server_5.exec_stmt("CREATE DATABASE prune_db")
self.__server_5.exec_stmt("CREATE TABLE prune_db.prune_table"
"(userID INT, name VARCHAR(30))")
self.__server_5.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(101, 'TEST 1')")
self.__server_5.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(202, 'TEST 2')")
self.__options_6 = {
"uuid" : _uuid.UUID("{ff75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_6.mysql.com:3060",
}
self.__server_6 = MySQLServer(**self.__options_6)
MySQLServer.add(self.__server_6)
self.__group_3 = Group("GROUPID3", "Third description.")
Group.add(self.__group_3)
self.__group_3.add_server(self.__server_5)
self.__group_3.add_server(self.__server_6)
tests.utils.configure_decoupled_master(self.__group_3, self.__server_5)
group_4 = Group("GROUPID4", "4TH description.")
Group.add(group_4)
group_5 = Group("GROUPID5", "5TH description.")
Group.add(group_5)
group_6 = Group("GROUPID6", "6TH description.")
Group.add(group_6)
group_7 = Group("GROUPID7", "7TH description.")
Group.add(group_7)
group_8 = Group("GROUPID8", "8TH description.")
Group.add(group_8)
group_9 = Group("GROUPID9", "9TH description.")
Group.add(group_9)
group_10 = Group("GROUPID10", "10TH description.")
Group.add(group_10)
group_11 = Group("GROUPID11", "11TH description.")
Group.add(group_11)
group_12 = Group("GROUPID12", "12TH description.")
Group.add(group_12)
group_13 = Group("GROUPID13", "13TH description.")
Group.add(group_13)
group_14 = Group("GROUPID14", "14TH description.")
Group.add(group_14)
self.__shard_mapping_list = ShardMapping.list_shard_mapping_defn()
self.assertEquals( self.__shard_mapping_list, [])
self.__shard_mapping_id_1 = ShardMapping.define("RANGE", "GROUPID10")
self.__shard_mapping_id_2 = ShardMapping.define("RANGE", "GROUPID11")
self.__shard_mapping_id_3 = ShardMapping.define("RANGE", "GROUPID12")
#Test with sharding type values in lower case
self.__shard_mapping_id_4 = ShardMapping.define("range", "GROUPID13")
self.__shard_mapping_id_5 = ShardMapping.define("range", "GROUPID14")
self.__shard_mapping_1 = \
ShardMapping.add(self.__shard_mapping_id_1, "db1.t1", "userID1")
self.__shard_mapping_2 = \
ShardMapping.add(self.__shard_mapping_id_2, "db2.t2", "userID2")
self.__shard_mapping_3 = \
ShardMapping.add(self.__shard_mapping_id_3, "db3.t3", "userID3")
self.__shard_mapping_4 = \
ShardMapping.add(self.__shard_mapping_id_4, "db4.t4", "userID4")
self.__shard_mapping_5 = \
ShardMapping.add(self.__shard_mapping_id_5, "prune_db.prune_table",
"userID")
self.__shard_id_1 = Shards.add("GROUPID1")
self.__shard_id_2 = Shards.add("GROUPID10")
self.__shard_id_3 = Shards.add("GROUPID11")
self.__shard_id_4 = Shards.add("GROUPID4")
self.__shard_id_5 = Shards.add("GROUPID5")
self.__shard_id_6 = Shards.add("GROUPID6")
self.__shard_id_7 = Shards.add("GROUPID7")
self.__shard_id_8 = Shards.add("GROUPID8")
self.__shard_id_9 = Shards.add("GROUPID9")
self.__shard_id_10 = Shards.add("GROUPID2")
self.__shard_id_11 = Shards.add("GROUPID3")
self.__range_sharding_specification_1 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
0,
self.__shard_id_1.shard_id
)
self.__range_sharding_specification_2 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
1001,
self.__shard_id_2.shard_id
)
self.__range_sharding_specification_3 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
2001,
self.__shard_id_3.shard_id
)
self.__range_sharding_specification_4 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id,
3001,
self.__shard_id_4.shard_id
)
self.__range_sharding_specification_5 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id,
4001,
self.__shard_id_5.shard_id
)
self.__range_sharding_specification_6 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id,
6001,
self.__shard_id_6.shard_id
)
self.__range_sharding_specification_7 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id,
7001,
self.__shard_id_7.shard_id
)
self.__range_sharding_specification_8 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id,
8001,
self.__shard_id_8.shard_id
)
self.__range_sharding_specification_9 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id,
10001,
self.__shard_id_9.shard_id
)
self.__range_sharding_specification_10 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id,
100,
self.__shard_id_10.shard_id)
self.__range_sharding_specification_11 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id,
201,
self.__shard_id_11.shard_id)
def _setup_shard_switch_split(shard_id, source_group_id, destination_group_id,
split_value, prune_limit, cmd, update_only):
"""Setup the moved shard to map to the new group.
:param shard_id: The shard ID of the shard that needs to be moved.
:param source_group_id: The group_id of the source shard.
:param destn_group_id: The ID of the group to which the shard needs to
be moved.
:param split_value: Indicates the value at which the range for the
particular shard will be split. Will be set only
for shard split operations.
:param prune_limit: The number of DELETEs that should be
done in one batch.
:param cmd: Indicates the type of re-sharding operation.
:update_only: Only update the state store and skip provisioning.
"""
#Fetch the Range sharding specification.
range_sharding_spec, source_shard, shard_mappings, shard_mapping_defn = \
_services_sharding.verify_and_fetch_shard(shard_id)
#Disable the old shard
source_shard.disable()
#Remove the old shard.
range_sharding_spec.remove()
source_shard.remove()
destination_group = Group.fetch(destination_group_id)
if destination_group is None:
raise _errors.ShardingError(_services_sharding.SHARD_GROUP_NOT_FOUND %
(destination_group_id, ))
destn_group_master = MySQLServer.fetch(destination_group.master)
if destn_group_master is None:
raise _errors.ShardingError(
_services_sharding.SHARD_GROUP_MASTER_NOT_FOUND)
destn_group_master.connect()
#Make the destination group as read only to disable updates until the
#connectors update their caches, thus avoiding inconsistency.
destn_group_master.read_only = True
#Add the new shards. Generate new shard IDs for the shard being
#split and also for the shard that is created as a result of the split.
new_shard_1 = Shards.add(source_shard.group_id, "DISABLED")
new_shard_2 = Shards.add(destination_group_id, "DISABLED")
#Both of the shard mappings associated with this shard_id should
#be of the same sharding type. Hence it is safe to use one of the
#shard mappings.
if shard_mappings[0].type_name == "HASH":
#In the case of a split involving a HASH sharding scheme,
#the shard that is split gets a new shard_id, while the split
#gets the new computed lower_bound and also a new shard id.
#NOTE: How the shard that is split retains its lower_bound.
HashShardingSpecification.add_hash_split(
range_sharding_spec.shard_mapping_id, new_shard_1.shard_id,
range_sharding_spec.lower_bound)
HashShardingSpecification.add_hash_split(
range_sharding_spec.shard_mapping_id, new_shard_2.shard_id,
split_value)
else:
#Add the new ranges. Note that the shard being split retains
#its lower_bound, while the new shard gets the computed,
#lower_bound.
RangeShardingSpecification.add(range_sharding_spec.shard_mapping_id,
range_sharding_spec.lower_bound,
new_shard_1.shard_id)
RangeShardingSpecification.add(range_sharding_spec.shard_mapping_id,
split_value, new_shard_2.shard_id)
#The sleep ensures that the connector have refreshed their caches with the
#new shards that have been added as a result of the split.
time.sleep(_utils.TTL)
#The source shard group master would have been marked as read only
#during the sync. Remove the read_only flag.
source_group = Group.fetch(source_group_id)
if source_group is None:
raise _errors.ShardingError(_services_sharding.SHARD_GROUP_NOT_FOUND %
(source_group_id, ))
source_group_master = MySQLServer.fetch(source_group.master)
if source_group_master is None:
raise _errors.ShardingError(
_services_sharding.SHARD_GROUP_MASTER_NOT_FOUND)
source_group_master.connect()
#Kill all the existing connections on the servers
source_group.kill_connections_on_servers()
#Allow connections on the source group master
source_group_master.read_only = False
#Allow connections on the destination group master
destn_group_master.read_only = False
#Setup replication for the new group from the global server
_group_replication.setup_group_replication \
(shard_mapping_defn[2], destination_group_id)
#Enable the split shards
new_shard_1.enable()
new_shard_2.enable()
#Trigger changing the mappings for the shard that was copied
if not update_only:
_events.trigger_within_procedure(PRUNE_SHARDS, new_shard_1.shard_id,
new_shard_2.shard_id, prune_limit)
def setUp(self):
"""Configure the existing environment
"""
self.__options_1 = {
"uuid": _uuid.UUID("{bb75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": "server_1.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_1 = MySQLServer(**self.__options_1)
MySQLServer.add(self.__server_1)
self.__options_2 = {
"uuid": _uuid.UUID("{aa75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_2.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_2 = MySQLServer(**self.__options_2)
MySQLServer.add(self.__server_2)
self.__group_1 = Group("GROUPID1", "First description.")
Group.add(self.__group_1)
self.__group_1.add_server(self.__server_1)
self.__group_1.add_server(self.__server_2)
self.__options_3 = {
"uuid": _uuid.UUID("{cc75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": MySQLInstances().get_address(0),
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
uuid_server3 = MySQLServer.discover_uuid(self.__options_3["address"])
self.__options_3["uuid"] = _uuid.UUID(uuid_server3)
self.__server_3 = MySQLServer(**self.__options_3)
MySQLServer.add(self.__server_3)
self.__server_3.connect()
self.__server_3.exec_stmt("DROP DATABASE IF EXISTS prune_db")
self.__server_3.exec_stmt("CREATE DATABASE prune_db")
self.__server_3.exec_stmt("CREATE TABLE prune_db.prune_table"
"(userID INT, name VARCHAR(30))")
self.__server_3.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(101, 'TEST 1')")
self.__server_3.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(202, 'TEST 2')")
self.__options_4 = {
"uuid": _uuid.UUID("{dd75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_4.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_4 = MySQLServer(**self.__options_4)
MySQLServer.add(self.__server_4)
self.__group_2 = Group("GROUPID2", "Second description.")
Group.add(self.__group_2)
self.__group_2.add_server(self.__server_3)
self.__group_2.add_server(self.__server_4)
tests.utils.configure_decoupled_master(self.__group_2, self.__server_3)
self.__options_5 = {
"uuid": _uuid.UUID("{ee75b12b-98d1-414c-96af-9e9d4b179678}"),
"address": MySQLInstances().get_address(2),
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
uuid_server5 = MySQLServer.discover_uuid(self.__options_5["address"])
self.__options_5["uuid"] = _uuid.UUID(uuid_server5)
self.__server_5 = MySQLServer(**self.__options_5)
MySQLServer.add(self.__server_5)
self.__server_5.connect()
self.__server_5.exec_stmt("DROP DATABASE IF EXISTS prune_db")
self.__server_5.exec_stmt("CREATE DATABASE prune_db")
self.__server_5.exec_stmt("CREATE TABLE prune_db.prune_table"
"(userID INT, name VARCHAR(30))")
self.__server_5.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(101, 'TEST 1')")
self.__server_5.exec_stmt("INSERT INTO prune_db.prune_table "
"VALUES(202, 'TEST 2')")
self.__options_6 = {
"uuid": _uuid.UUID("{ff75a12a-98d1-414c-96af-9e9d4b179678}"),
"address": "server_6.mysql.com:3060",
"user": MySQLInstances().user,
"passwd": MySQLInstances().passwd,
}
self.__server_6 = MySQLServer(**self.__options_6)
MySQLServer.add(self.__server_6)
self.__group_3 = Group("GROUPID3", "Third description.")
Group.add(self.__group_3)
self.__group_3.add_server(self.__server_5)
self.__group_3.add_server(self.__server_6)
tests.utils.configure_decoupled_master(self.__group_3, self.__server_5)
group_4 = Group("GROUPID4", "4TH description.")
Group.add(group_4)
group_5 = Group("GROUPID5", "5TH description.")
Group.add(group_5)
group_6 = Group("GROUPID6", "6TH description.")
Group.add(group_6)
group_7 = Group("GROUPID7", "7TH description.")
Group.add(group_7)
group_8 = Group("GROUPID8", "8TH description.")
Group.add(group_8)
group_9 = Group("GROUPID9", "9TH description.")
Group.add(group_9)
group_10 = Group("GROUPID10", "10TH description.")
Group.add(group_10)
group_11 = Group("GROUPID11", "11TH description.")
Group.add(group_11)
group_12 = Group("GROUPID12", "12TH description.")
Group.add(group_12)
group_13 = Group("GROUPID13", "13TH description.")
Group.add(group_13)
group_14 = Group("GROUPID14", "14TH description.")
Group.add(group_14)
self.__shard_mapping_list = ShardMapping.list_shard_mapping_defn()
self.assertEquals(self.__shard_mapping_list, [])
self.__shard_mapping_id_1 = ShardMapping.define("RANGE", "GROUPID10")
self.__shard_mapping_id_2 = ShardMapping.define("RANGE", "GROUPID11")
self.__shard_mapping_id_3 = ShardMapping.define("RANGE", "GROUPID12")
#Test with sharding type values in lower case
self.__shard_mapping_id_4 = ShardMapping.define("range", "GROUPID13")
self.__shard_mapping_id_5 = ShardMapping.define("range", "GROUPID14")
self.__shard_mapping_1 = \
ShardMapping.add(self.__shard_mapping_id_1, "db1.t1", "userID1")
self.__shard_mapping_2 = \
ShardMapping.add(self.__shard_mapping_id_2, "db2.t2", "userID2")
self.__shard_mapping_3 = \
ShardMapping.add(self.__shard_mapping_id_3, "db3.t3", "userID3")
self.__shard_mapping_4 = \
ShardMapping.add(self.__shard_mapping_id_4, "db4.t4", "userID4")
self.__shard_mapping_5 = \
ShardMapping.add(self.__shard_mapping_id_5, "prune_db.prune_table",
"userID")
self.__shard_id_1 = Shards.add("GROUPID1")
self.__shard_id_2 = Shards.add("GROUPID10")
self.__shard_id_3 = Shards.add("GROUPID11")
self.__shard_id_4 = Shards.add("GROUPID4")
self.__shard_id_5 = Shards.add("GROUPID5")
self.__shard_id_6 = Shards.add("GROUPID6")
self.__shard_id_7 = Shards.add("GROUPID7")
self.__shard_id_8 = Shards.add("GROUPID8")
self.__shard_id_9 = Shards.add("GROUPID9")
self.__shard_id_10 = Shards.add("GROUPID2")
self.__shard_id_11 = Shards.add("GROUPID3")
self.__range_sharding_specification_1 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 0,
self.__shard_id_1.shard_id)
self.__range_sharding_specification_2 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 1001,
self.__shard_id_2.shard_id)
self.__range_sharding_specification_3 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id, 2001,
self.__shard_id_3.shard_id)
self.__range_sharding_specification_4 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id, 3001,
self.__shard_id_4.shard_id)
self.__range_sharding_specification_5 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id, 4001,
self.__shard_id_5.shard_id)
self.__range_sharding_specification_6 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id, 6001,
self.__shard_id_6.shard_id)
self.__range_sharding_specification_7 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id, 7001,
self.__shard_id_7.shard_id)
self.__range_sharding_specification_8 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id, 8001,
self.__shard_id_8.shard_id)
self.__range_sharding_specification_9 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id, 10001,
self.__shard_id_9.shard_id)
self.__range_sharding_specification_10 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id, 100,
self.__shard_id_10.shard_id)
self.__range_sharding_specification_11 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id, 201,
self.__shard_id_11.shard_id)
def setUp(self):
"""Configure the existing environment
"""
self.manager, self.proxy = tests.utils.setup_xmlrpc()
self.__options_1 = {
"uuid" : _uuid.UUID("{bb75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_1.mysql.com:3060",
}
self.__server_1 = MySQLServer(**self.__options_1)
MySQLServer.add(self.__server_1)
self.__options_2 = {
"uuid" : _uuid.UUID("{aa75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_2.mysql.com:3060",
}
self.__server_2 = MySQLServer(**self.__options_2)
MySQLServer.add(self.__server_2)
self.__group_1 = Group("GROUPID1", "First description.")
Group.add(self.__group_1)
self.__group_1.add_server(self.__server_1)
self.__group_1.add_server(self.__server_2)
self.__options_3 = {
"uuid" : _uuid.UUID("{cc75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : MySQLInstances().get_address(0),
"user" : MySQLInstances().user,
"passwd" : MySQLInstances().passwd,
}
uuid_server3 = MySQLServer.discover_uuid(self.__options_3["address"])
self.__options_3["uuid"] = _uuid.UUID(uuid_server3)
self.__server_3 = MySQLServer(**self.__options_3)
MySQLServer.add(self.__server_3)
self.__options_4 = {
"uuid" : _uuid.UUID("{dd75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_4.mysql.com:3060",
}
self.__server_4 = MySQLServer(**self.__options_4)
MySQLServer.add(self.__server_4)
self.__group_2 = Group("GROUPID2", "Second description.")
Group.add(self.__group_2)
self.__group_2.add_server(self.__server_3)
self.__group_2.add_server(self.__server_4)
tests.utils.configure_decoupled_master(self.__group_2, self.__server_3)
self.__options_5 = {
"uuid" : _uuid.UUID("{ee75b12b-98d1-414c-96af-9e9d4b179678}"),
"address" : MySQLInstances().get_address(2),
"user" : MySQLInstances().user,
"passwd" : MySQLInstances().passwd,
}
uuid_server5 = MySQLServer.discover_uuid(self.__options_5["address"])
self.__options_5["uuid"] = _uuid.UUID(uuid_server5)
self.__server_5 = MySQLServer(**self.__options_5)
MySQLServer.add(self.__server_5)
self.__options_6 = {
"uuid" : _uuid.UUID("{ff75a12a-98d1-414c-96af-9e9d4b179678}"),
"address" : "server_6.mysql.com:3060",
}
self.__server_6 = MySQLServer(**self.__options_6)
MySQLServer.add(self.__server_6)
self.__group_3 = Group("GROUPID3", "Third description.")
Group.add(self.__group_3)
self.__group_3.add_server(self.__server_5)
self.__group_3.add_server(self.__server_6)
tests.utils.configure_decoupled_master(self.__group_3, self.__server_5)
self.__options_1_host, self.__options_1_port = \
server_utils.split_host_port(self.__options_1["address"], 13001)
self.__options_2_host, self.__options_2_port = \
server_utils.split_host_port(self.__options_2["address"], 13001)
self.__options_3_host, self.__options_3_port = \
server_utils.split_host_port(self.__options_3["address"], 13001)
self.__options_4_host, self.__options_4_port = \
server_utils.split_host_port(self.__options_4["address"], 13001)
self.__options_5_host, self.__options_5_port = \
server_utils.split_host_port(self.__options_5["address"], 13001)
self.__options_6_host, self.__options_6_port = \
server_utils.split_host_port(self.__options_6["address"], 13001)
group_4 = Group("GROUPID4", "4TH description.")
Group.add(group_4)
group_5 = Group("GROUPID5", "5TH description.")
Group.add(group_5)
group_6 = Group("GROUPID6", "6TH description.")
Group.add(group_6)
group_7 = Group("GROUPID7", "7TH description.")
Group.add(group_7)
group_8 = Group("GROUPID8", "8TH description.")
Group.add(group_8)
group_9 = Group("GROUPID9", "9TH description.")
Group.add(group_9)
group_10 = Group("GROUPID10", "10TH description.")
Group.add(group_10)
group_11 = Group("GROUPID11", "11TH description.")
Group.add(group_11)
group_12 = Group("GROUPID12", "12TH description.")
Group.add(group_12)
group_13 = Group("GROUPID13", "13TH description.")
Group.add(group_13)
group_14 = Group("GROUPID14", "14TH description.")
Group.add(group_14)
self.__shard_mapping_list = ShardMapping.list_shard_mapping_defn()
self.assertEquals( self.__shard_mapping_list, [])
self.__shard_mapping_id_1 = ShardMapping.define("RANGE", "GROUPID10")
self.__shard_mapping_id_2 = ShardMapping.define("RANGE", "GROUPID11")
self.__shard_mapping_id_3 = ShardMapping.define("RANGE", "GROUPID12")
#Test with sharding type values in lower case
self.__shard_mapping_id_4 = ShardMapping.define("range", "GROUPID13")
self.__shard_mapping_id_5 = ShardMapping.define("range", "GROUPID14")
self.__shard_mapping_1 = \
ShardMapping.add(self.__shard_mapping_id_1, "db1.t1", "userID1")
self.__shard_mapping_2 = \
ShardMapping.add(self.__shard_mapping_id_2, "db2.t2", "userID2")
self.__shard_mapping_3 = \
ShardMapping.add(self.__shard_mapping_id_3, "db3.t3", "userID3")
self.__shard_mapping_4 = \
ShardMapping.add(self.__shard_mapping_id_4, "db4.t4", "userID4")
self.__shard_mapping_5 = \
ShardMapping.add(self.__shard_mapping_id_5, "prune_db.prune_table",
"userID")
self.__shard_id_1 = Shards.add("GROUPID1", "ENABLED")
self.__shard_id_2 = Shards.add("GROUPID10", "ENABLED")
self.__shard_id_3 = Shards.add("GROUPID11", "DISABLED")
self.__shard_id_4 = Shards.add("GROUPID4", "ENABLED")
self.__shard_id_5 = Shards.add("GROUPID5", "ENABLED")
self.__shard_id_6 = Shards.add("GROUPID6", "ENABLED")
self.__shard_id_7 = Shards.add("GROUPID7", "ENABLED")
self.__shard_id_8 = Shards.add("GROUPID8", "ENABLED")
self.__shard_id_9 = Shards.add("GROUPID9", "ENABLED")
self.__shard_id_10 = Shards.add("GROUPID2", "ENABLED")
self.__shard_id_11 = Shards.add("GROUPID3", "ENABLED")
self.__range_sharding_specification_1 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
0,
self.__shard_id_1.shard_id
)
self.__range_sharding_specification_2 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
1001,
self.__shard_id_2.shard_id
)
self.__range_sharding_specification_3 = RangeShardingSpecification.add(
self.__shard_mapping_1.shard_mapping_id,
2001,
self.__shard_id_3.shard_id
)
self.__range_sharding_specification_4 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id,
3001,
self.__shard_id_4.shard_id
)
self.__range_sharding_specification_5 = RangeShardingSpecification.add(
self.__shard_mapping_2.shard_mapping_id,
4001,
self.__shard_id_5.shard_id
)
self.__range_sharding_specification_6 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id,
6001,
self.__shard_id_6.shard_id
)
self.__range_sharding_specification_7 = RangeShardingSpecification.add(
self.__shard_mapping_3.shard_mapping_id,
7001,
self.__shard_id_7.shard_id
)
self.__range_sharding_specification_8 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id,
8001,
self.__shard_id_8.shard_id
)
self.__range_sharding_specification_9 = RangeShardingSpecification.add(
self.__shard_mapping_4.shard_mapping_id,
10001,
self.__shard_id_9.shard_id
)
self.__range_sharding_specification_10 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id,
100,
self.__shard_id_10.shard_id)
self.__range_sharding_specification_11 = RangeShardingSpecification.add(
self.__shard_mapping_5.shard_mapping_id,
201,
self.__shard_id_11.shard_id)
READ_ONLY = MySQLServer.get_mode_idx(MySQLServer.READ_ONLY)
READ_WRITE = MySQLServer.get_mode_idx(MySQLServer.READ_WRITE)
SECONDARY = MySQLServer.get_status_idx(MySQLServer.SECONDARY)
PRIMARY = MySQLServer.get_status_idx(MySQLServer.PRIMARY)
self.__setofservers = [0, 0, 0,
[[str(self.__server_1.uuid),
'GROUPID1', self.__options_1_host, self.__options_1_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_2.uuid),
'GROUPID1', self.__options_2_host, self.__options_2_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_3.uuid),
'GROUPID2', self.__options_3_host, self.__options_3_port,
READ_WRITE, PRIMARY, 1.0],
[str(self.__server_4.uuid),
'GROUPID2', self.__options_4_host, self.__options_4_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_5.uuid),
'GROUPID3', self.__options_5_host, self.__options_5_port,
READ_WRITE, PRIMARY, 1.0],
[str(self.__server_6.uuid),
'GROUPID3', self.__options_6_host, self.__options_6_port,
READ_ONLY, SECONDARY, 1.0]]]
self.__setofservers_1 = [0, 0, 0,
[[str(self.__server_1.uuid),
'GROUPID1', self.__options_1_host, self.__options_1_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_2.uuid),
'GROUPID1', self.__options_2_host, self.__options_2_port,
READ_ONLY, SECONDARY, 1.0]]]
self.__setofservers_2 = [0, 0, 0,
[[str(self.__server_1.uuid),
'GROUPID1', self.__options_1_host, self.__options_1_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_2.uuid),
'GROUPID1', self.__options_2_host, self.__options_2_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_3.uuid),
'GROUPID2', self.__options_3_host, self.__options_3_port,
READ_WRITE, PRIMARY, 1.0],
[str(self.__server_4.uuid),
'GROUPID2', self.__options_4_host, self.__options_4_port,
READ_ONLY, SECONDARY, 1.0]]]
self.__setofservers_3 = [0, 0, 0,
[[str(self.__server_1.uuid),
'GROUPID1', self.__options_1_host, self.__options_1_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_2.uuid),
'GROUPID1', self.__options_2_host, self.__options_2_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_3.uuid),
'GROUPID2', self.__options_3_host, self.__options_3_port,
READ_WRITE, PRIMARY, 1.0],
[str(self.__server_4.uuid),
'GROUPID2', self.__options_4_host, self.__options_4_port,
READ_ONLY, SECONDARY, 1.0],
[str(self.__server_5.uuid),
'GROUPID3', self.__options_5_host, self.__options_5_port,
READ_WRITE, PRIMARY, 1.0],
[str(self.__server_6.uuid),
'GROUPID3', self.__options_6_host, self.__options_6_port,
READ_ONLY, SECONDARY, 1.0]]]
self.__setoftables = [0, 0, 0, [['db1', 't1', 'userID1', '1'],
['db2', 't2', 'userID2', '2'],
['db3', 't3', 'userID3', '3'],
['db4', 't4', 'userID4', '4'],
['prune_db', 'prune_table', 'userID', '5']]]
self.__setoftables_1 = [0, 0, 0, [['db1', 't1', 'userID1', '1']]]
self.__setoftables_2 = [0, 0, 0, [['db1', 't1', 'userID1', '1'],
['db2', 't2', 'userID2', '2']]]
self.__setoftables_3 = [0, 0, 0, [['db1', 't1', 'userID1', '1'],
['db2', 't2', 'userID2', '2'],
['db3', 't3', 'userID3', '3']]]
self.__setofshardmaps = [0, 0, 0, [['1', 'RANGE', 'GROUPID10'],
['2', 'RANGE', 'GROUPID11'],
['3', 'RANGE', 'GROUPID12'],
['4', 'RANGE', 'GROUPID13'],
['5', 'RANGE', 'GROUPID14']]]
self.__setofshardmaps_1 = [0, 0, 0, [['1', 'RANGE', 'GROUPID10']]]
self.__setofshardmaps_2 = [0, 0, 0, [['1', 'RANGE', 'GROUPID10'],
['2', 'RANGE', 'GROUPID11']]]
self.__setofshardmaps_3 = [0, 0, 0, [['1', 'RANGE', 'GROUPID10'],
['2', 'RANGE', 'GROUPID11'],
['3', 'RANGE', 'GROUPID12']]]
self.__setofshardindexes = [0, 0, 0, [['0', '1', '1', 'GROUPID1'],
['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'],
['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'],
['7001', '3', '7', 'GROUPID7'],
['8001', '4', '8', 'GROUPID8'],
['10001', '4', '9', 'GROUPID9'],
['100', '5', '10', 'GROUPID2'],
['201', '5', '11', 'GROUPID3']]]
self.__setofshardindexes_1 = [0, 0, 0, [['0', '1', '1', 'GROUPID1'],
['1001', '1', '2', 'GROUPID10']]]
self.__setofshardindexes_3 = [0, 0, 0, [['0', '1', '1', 'GROUPID1'],
['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'],
['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'],
['7001', '3', '7', 'GROUPID7']]]
self.__setofshardindexes_5 = [0, 0, 0, [['0', '1', '1', 'GROUPID1'],
['1001', '1', '2', 'GROUPID10'],
['3001', '2', '4', 'GROUPID4'],
['4001', '2', '5', 'GROUPID5'],
['6001', '3', '6', 'GROUPID6'],
['7001', '3', '7', 'GROUPID7'],
['8001', '4', '8', 'GROUPID8'],
['10001', '4', '9', 'GROUPID9'],
['100', '5', '10', 'GROUPID2'],
['201', '5', '11', 'GROUPID3']]]
self.__shardinginformation_1 = [0, 0, 0, [['db1', 't1', 'userID1', '0',
'1', 'RANGE', 'GROUPID1', 'GROUPID10'],
['db1', 't1', 'userID1', '1001',
'2', 'RANGE', 'GROUPID10', 'GROUPID10']]]
self.__shardinginformation_2 = [0, 0, 0, [['db1', 't1', 'userID1', '0',
'1', 'RANGE', 'GROUPID1', 'GROUPID10'],
['db1', 't1', 'userID1', '1001',
'2', 'RANGE', 'GROUPID10', 'GROUPID10'],
['db2', 't2', 'userID2', '3001',
'4', 'RANGE', 'GROUPID4', 'GROUPID11'],
['db2', 't2', 'userID2', '4001',
'5', 'RANGE', 'GROUPID5', 'GROUPID11']]]
self.__shardinginformation_3 = [0, 0, 0, [['db1', 't1', 'userID1', '0',
'1', 'RANGE', 'GROUPID1', 'GROUPID10'],
['db1', 't1', 'userID1', '1001',
'2', 'RANGE', 'GROUPID10', 'GROUPID10'],
['db2', 't2', 'userID2', '3001',
'4','RANGE', 'GROUPID4', 'GROUPID11'],
['db2', 't2', 'userID2', '4001',
'5', 'RANGE', 'GROUPID5', 'GROUPID11'],
['db3', 't3', 'userID3', '6001',
'6', 'RANGE', 'GROUPID6', 'GROUPID12'],
['db3', 't3', 'userID3', '7001',
'7', 'RANGE', 'GROUPID7', 'GROUPID12']]]
def _add_shard(shard_mapping_id, groupid_lb_list, state):
"""Add the RANGE shard specification. This represents a single instance
of a shard specification that maps a key RANGE to a server.
:param shard_mapping_id: The unique identification for a shard mapping.
:param groupid_lb_list: The list of group_id, lower_bounds pairs in the
format, group_id/lower_bound, group_id/lower_bound... .
:param state: Indicates whether a given shard is ENABLED or DISABLED
:return: True if the add succeeded.
False otherwise.
:raises: ShardingError If the group on which the shard is being
created does not exist,
If the shard_mapping_id is not found,
If adding the shard definition fails,
If the state of the shard is an invalid
value,
If the range definition is invalid.
"""
shard_mapping = ShardMapping.fetch_shard_mapping_defn(shard_mapping_id)
if shard_mapping is None:
raise _errors.ShardingError(SHARD_MAPPING_NOT_FOUND % \
(shard_mapping_id, ))
schema_type = shard_mapping[1]
if len(RangeShardingSpecification.list(shard_mapping_id)) != 0:
raise _errors.ShardingError(SHARDS_ALREADY_EXIST)
group_id_list, lower_bound_list =\
_utils.get_group_lower_bound_list(groupid_lb_list)
if (len(group_id_list) != len(lower_bound_list)) and\
schema_type == "RANGE":
raise _errors.ShardingError(LOWER_BOUND_GROUP_ID_COUNT_MISMATCH)
if len(lower_bound_list) != 0 and schema_type == "HASH":
raise _errors.ShardingError(LOWER_BOUND_AUTO_GENERATED)
if schema_type == "RANGE":
for lower_bound in lower_bound_list:
if(not SHARDING_DATATYPE_HANDLER[schema_type].\
is_valid_lower_bound(lower_bound)):
raise _errors.ShardingError(
INVALID_LOWER_BOUND_VALUE % (lower_bound, ))
state = state.upper()
if state not in Shards.VALID_SHARD_STATES:
raise _errors.ShardingError(INVALID_SHARD_STATE % (state, ))
for index, group_id in enumerate(group_id_list):
shard = Shards.add(group_id, state)
shard_id = shard.shard_id
if schema_type == "RANGE":
range_sharding_specification = RangeShardingSpecification.add(
shard_mapping_id,
lower_bound_list[index],
shard_id
)
_LOGGER.debug(
"Added Shard (map id = %s, lower bound = %s, id = %s).",
range_sharding_specification.shard_mapping_id,
range_sharding_specification.lower_bound,
range_sharding_specification.shard_id
)
elif schema_type == "HASH":
HashShardingSpecification.add(
shard_mapping_id,
shard_id
)
_LOGGER.debug(
"Added Shard (map id = %s, id = %s).",
shard_mapping_id,
shard_id
)
else:
raise _errors.ShardingError(INVALID_SHARDING_TYPE % (schema_type, ))
#If the shard is added in a DISABLED state do not setup replication
#with the primary of the global group. Basically setup replication only
#if the shard is ENABLED.
if state == "ENABLED":
_setup_shard_group_replication(shard_id)