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vitess-gh/test/keyspace_test.py

398 строки
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Python
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#!/usr/bin/env python
#
# Copyright 2013, Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can
# be found in the LICENSE file.
import unittest
from vtdb import vtgate_client
import environment
import tablet
import utils
SHARDED_KEYSPACE = 'TEST_KEYSPACE_SHARDED'
UNSHARDED_KEYSPACE = 'TEST_KEYSPACE_UNSHARDED'
# shards for SHARDED_KEYSPACE
# range '' - 80
shard_0_master = tablet.Tablet()
shard_0_replica = tablet.Tablet()
# range 80 - ''
shard_1_master = tablet.Tablet()
shard_1_replica = tablet.Tablet()
# shard for UNSHARDED_KEYSPACE
unsharded_master = tablet.Tablet()
unsharded_replica = tablet.Tablet()
shard_names = ['-80', '80-']
shard_kid_map = {
'-80': [527875958493693904, 626750931627689502,
345387386794260318, 332484755310826578,
1842642426274125671, 1326307661227634652,
1761124146422844620, 1661669973250483744,
3361397649937244239, 2444880764308344533],
'80-': [9767889778372766922, 9742070682920810358,
10296850775085416642, 9537430901666854108,
10440455099304929791, 11454183276974683945,
11185910247776122031, 10460396697869122981,
13379616110062597001, 12826553979133932576],
}
create_vt_insert_test = '''create table vt_insert_test (
id bigint auto_increment,
msg varchar(64),
keyspace_id bigint(20) unsigned NOT NULL,
primary key (id)
) Engine=InnoDB'''
def setUpModule():
try:
environment.topo_server().setup()
setup_procs = [
shard_0_master.init_mysql(),
shard_0_replica.init_mysql(),
shard_1_master.init_mysql(),
shard_1_replica.init_mysql(),
unsharded_master.init_mysql(),
unsharded_replica.init_mysql(),
]
utils.wait_procs(setup_procs)
setup_tablets()
except:
tearDownModule()
raise
def tearDownModule():
utils.required_teardown()
if utils.options.skip_teardown:
return
tablet.kill_tablets([shard_0_master, shard_0_replica,
shard_1_master, shard_1_replica])
teardown_procs = [
shard_0_master.teardown_mysql(),
shard_0_replica.teardown_mysql(),
shard_1_master.teardown_mysql(),
shard_1_replica.teardown_mysql(),
unsharded_master.teardown_mysql(),
unsharded_replica.teardown_mysql(),
]
utils.wait_procs(teardown_procs, raise_on_error=False)
environment.topo_server().teardown()
utils.kill_sub_processes()
utils.remove_tmp_files()
shard_0_master.remove_tree()
shard_0_replica.remove_tree()
shard_1_master.remove_tree()
shard_1_replica.remove_tree()
unsharded_master.remove_tree()
unsharded_replica.remove_tree()
def setup_tablets():
setup_sharded_keyspace()
setup_unsharded_keyspace()
utils.VtGate().start(tablets=[
shard_0_master, shard_0_replica,
shard_1_master, shard_1_replica,
unsharded_master, unsharded_replica,
])
utils.vtgate.wait_for_endpoints(
'%s.%s.master' % (SHARDED_KEYSPACE, '80-'),
1)
utils.vtgate.wait_for_endpoints(
'%s.%s.replica' % (SHARDED_KEYSPACE, '80-'),
1)
utils.vtgate.wait_for_endpoints(
'%s.%s.master' % (SHARDED_KEYSPACE, '-80'),
1)
utils.vtgate.wait_for_endpoints(
'%s.%s.replica' % (SHARDED_KEYSPACE, '-80'),
1)
utils.vtgate.wait_for_endpoints(
'%s.%s.master' % (UNSHARDED_KEYSPACE, '0'),
1)
utils.vtgate.wait_for_endpoints(
'%s.%s.replica' % (UNSHARDED_KEYSPACE, '0'),
1)
def setup_sharded_keyspace():
utils.run_vtctl(['CreateKeyspace', SHARDED_KEYSPACE])
utils.run_vtctl(['SetKeyspaceShardingInfo', '-force', SHARDED_KEYSPACE,
'keyspace_id', 'uint64'])
shard_0_master.init_tablet(
'replica',
keyspace=SHARDED_KEYSPACE,
shard='-80',
tablet_index=0)
shard_0_replica.init_tablet(
'replica',
keyspace=SHARDED_KEYSPACE,
shard='-80',
tablet_index=1)
shard_1_master.init_tablet(
'replica',
keyspace=SHARDED_KEYSPACE,
shard='80-',
tablet_index=0)
shard_1_replica.init_tablet(
'replica',
keyspace=SHARDED_KEYSPACE,
shard='80-',
tablet_index=1)
for t in [shard_0_master, shard_0_replica, shard_1_master, shard_1_replica]:
t.create_db('vt_test_keyspace_sharded')
t.mquery(shard_0_master.dbname, create_vt_insert_test)
t.start_vttablet(wait_for_state=None)
for t in [shard_0_master, shard_0_replica, shard_1_master, shard_1_replica]:
t.wait_for_vttablet_state('NOT_SERVING')
utils.run_vtctl(['InitShardMaster', '-force', '%s/-80' % SHARDED_KEYSPACE,
shard_0_master.tablet_alias], auto_log=True)
utils.run_vtctl(['InitShardMaster', '-force', '%s/80-' % SHARDED_KEYSPACE,
shard_1_master.tablet_alias], auto_log=True)
for t in [shard_0_replica, shard_1_replica]:
utils.wait_for_tablet_type(t.tablet_alias, 'replica')
for t in [shard_0_master, shard_0_replica, shard_1_master, shard_1_replica]:
t.wait_for_vttablet_state('SERVING')
# rebuild to be sure we have the latest data
utils.run_vtctl(
['RebuildKeyspaceGraph', SHARDED_KEYSPACE], auto_log=True)
utils.check_srv_keyspace('test_nj', SHARDED_KEYSPACE,
'Partitions(master): -80 80-\n'
'Partitions(rdonly): -80 80-\n'
'Partitions(replica): -80 80-\n')
def setup_unsharded_keyspace():
utils.run_vtctl(['CreateKeyspace', UNSHARDED_KEYSPACE])
utils.run_vtctl(['SetKeyspaceShardingInfo', '-force', UNSHARDED_KEYSPACE,
'keyspace_id', 'uint64'])
unsharded_master.init_tablet(
'replica',
keyspace=UNSHARDED_KEYSPACE,
shard='0',
tablet_index=0)
unsharded_replica.init_tablet(
'replica',
keyspace=UNSHARDED_KEYSPACE,
shard='0',
tablet_index=1)
for t in [unsharded_master, unsharded_replica]:
t.create_db('vt_test_keyspace_unsharded')
t.mquery(unsharded_master.dbname, create_vt_insert_test)
t.start_vttablet(wait_for_state=None)
for t in [unsharded_master, unsharded_replica]:
t.wait_for_vttablet_state('NOT_SERVING')
utils.run_vtctl(['InitShardMaster', '-force', '%s/0' % UNSHARDED_KEYSPACE,
unsharded_master.tablet_alias], auto_log=True)
for t in [unsharded_replica]:
utils.wait_for_tablet_type(t.tablet_alias, 'replica')
for t in [unsharded_master, unsharded_replica]:
t.wait_for_vttablet_state('SERVING')
# rebuild to be sure we have the right version
utils.run_vtctl(['RebuildKeyspaceGraph', UNSHARDED_KEYSPACE], auto_log=True)
utils.check_srv_keyspace('test_nj', UNSHARDED_KEYSPACE,
'Partitions(master): -\n'
'Partitions(rdonly): -\n'
'Partitions(replica): -\n')
ALL_DB_TYPES = ['master', 'rdonly', 'replica']
class TestKeyspace(unittest.TestCase):
def _read_srv_keyspace(self, keyspace_name):
protocol, addr = utils.vtgate.rpc_endpoint(python=True)
conn = vtgate_client.connect(protocol, addr, 30.0)
result = conn.get_srv_keyspace(keyspace_name)
conn.close()
return result
def test_get_keyspace(self):
ki = utils.run_vtctl_json(['GetKeyspace', UNSHARDED_KEYSPACE])
self.assertEqual('keyspace_id', ki['sharding_column_name'])
self.assertEqual(1, ki['sharding_column_type'])
def test_delete_keyspace(self):
utils.run_vtctl(['CreateKeyspace', 'test_delete_keyspace'])
utils.run_vtctl(['CreateShard', 'test_delete_keyspace/0'])
utils.run_vtctl(
['InitTablet', '-keyspace=test_delete_keyspace', '-shard=0',
'test_nj-0000000100', 'master'])
# Can't delete keyspace if there are shards present.
utils.run_vtctl(
['DeleteKeyspace', 'test_delete_keyspace'], expect_fail=True)
# Can't delete shard if there are tablets present.
utils.run_vtctl(['DeleteShard', '-even_if_serving',
'test_delete_keyspace/0'], expect_fail=True)
# Use recursive DeleteShard to remove tablets.
utils.run_vtctl(['DeleteShard', '-even_if_serving', '-recursive',
'test_delete_keyspace/0'])
# Now non-recursive DeleteKeyspace should work.
utils.run_vtctl(['DeleteKeyspace', 'test_delete_keyspace'])
# Start over and this time use recursive DeleteKeyspace to do everything.
utils.run_vtctl(['CreateKeyspace', 'test_delete_keyspace'])
utils.run_vtctl(['CreateShard', 'test_delete_keyspace/0'])
utils.run_vtctl(
['InitTablet', '-port=1234', '-keyspace=test_delete_keyspace',
'-shard=0', 'test_nj-0000000100', 'master'])
# Create the serving/replication entries and check that they exist,
# so we can later check they're deleted.
utils.run_vtctl(['RebuildKeyspaceGraph', 'test_delete_keyspace'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'])
utils.run_vtctl(['GetSrvKeyspace', 'test_nj', 'test_delete_keyspace'])
# Recursive DeleteKeyspace
utils.run_vtctl(['DeleteKeyspace', '-recursive', 'test_delete_keyspace'])
# Check that everything is gone.
utils.run_vtctl(['GetKeyspace', 'test_delete_keyspace'], expect_fail=True)
utils.run_vtctl(['GetShard', 'test_delete_keyspace/0'], expect_fail=True)
utils.run_vtctl(['GetTablet', 'test_nj-0000000100'], expect_fail=True)
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'],
expect_fail=True)
utils.run_vtctl(
['GetSrvKeyspace', 'test_nj', 'test_delete_keyspace'],
expect_fail=True)
def test_remove_keyspace_cell(self):
utils.run_vtctl(['CreateKeyspace', 'test_delete_keyspace'])
utils.run_vtctl(['CreateShard', 'test_delete_keyspace/0'])
utils.run_vtctl(['CreateShard', 'test_delete_keyspace/1'])
utils.run_vtctl(
['InitTablet', '-port=1234', '-keyspace=test_delete_keyspace',
'-shard=0', 'test_ca-0000000100', 'master'])
utils.run_vtctl(
['InitTablet', '-port=1234', '-keyspace=test_delete_keyspace',
'-shard=0', 'test_nj-0000000100', 'replica'])
utils.run_vtctl(
['InitTablet', '-port=1234', '-keyspace=test_delete_keyspace',
'-shard=1', 'test_nj-0000000101', 'replica'])
# Create the serving/replication entries and check that they exist,
# so we can later check they're deleted.
utils.run_vtctl(['RebuildKeyspaceGraph', 'test_delete_keyspace'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/1'])
utils.run_vtctl(['GetSrvKeyspace', 'test_nj', 'test_delete_keyspace'])
# Just remove the shard from one cell (including tablets),
# but leaving the global records and other cells/shards alone.
utils.run_vtctl(
['RemoveShardCell', '-recursive', 'test_delete_keyspace/0', 'test_nj'])
utils.run_vtctl(['RebuildKeyspaceGraph', 'test_delete_keyspace'])
utils.run_vtctl(['GetKeyspace', 'test_delete_keyspace'])
utils.run_vtctl(['GetShard', 'test_delete_keyspace/0'])
utils.run_vtctl(['GetTablet', 'test_ca-0000000100'])
utils.run_vtctl(['GetTablet', 'test_nj-0000000100'], expect_fail=True)
utils.run_vtctl(['GetTablet', 'test_nj-0000000101'])
utils.run_vtctl(
['GetShardReplication', 'test_ca', 'test_delete_keyspace/0'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'],
expect_fail=True)
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/1'])
utils.run_vtctl(['GetSrvKeyspace', 'test_nj', 'test_delete_keyspace'])
# Add it back to do another test.
utils.run_vtctl(
['InitTablet', '-port=1234', '-keyspace=test_delete_keyspace',
'-shard=0', 'test_nj-0000000100', 'replica'])
utils.run_vtctl(['RebuildKeyspaceGraph', 'test_delete_keyspace'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'])
# Now use RemoveKeyspaceCell to remove all shards.
utils.run_vtctl(
['RemoveKeyspaceCell', '-recursive', 'test_delete_keyspace',
'test_nj'])
utils.run_vtctl(['RebuildKeyspaceGraph', 'test_delete_keyspace'])
utils.run_vtctl(
['GetShardReplication', 'test_ca', 'test_delete_keyspace/0'])
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/0'],
expect_fail=True)
utils.run_vtctl(
['GetShardReplication', 'test_nj', 'test_delete_keyspace/1'],
expect_fail=True)
# Clean up.
utils.run_vtctl(['DeleteKeyspace', '-recursive', 'test_delete_keyspace'])
def test_shard_count(self):
sharded_ks = self._read_srv_keyspace(SHARDED_KEYSPACE)
for db_type in ALL_DB_TYPES:
self.assertEqual(sharded_ks.get_shard_count(db_type), 2)
unsharded_ks = self._read_srv_keyspace(UNSHARDED_KEYSPACE)
for db_type in ALL_DB_TYPES:
self.assertEqual(unsharded_ks.get_shard_count(db_type), 1)
def test_shard_names(self):
sharded_ks = self._read_srv_keyspace(SHARDED_KEYSPACE)
for db_type in ALL_DB_TYPES:
self.assertEqual(sharded_ks.get_shard_names(db_type), ['-80', '80-'])
unsharded_ks = self._read_srv_keyspace(UNSHARDED_KEYSPACE)
for db_type in ALL_DB_TYPES:
self.assertEqual(unsharded_ks.get_shard_names(db_type), ['0'])
def test_keyspace_id_to_shard_name(self):
# test all keyspace_id in a sharded keyspace go to the right shard
sharded_ks = self._read_srv_keyspace(SHARDED_KEYSPACE)
for sn in shard_names:
for keyspace_id in shard_kid_map[sn]:
self.assertEqual(
sharded_ks.keyspace_id_to_shard_name_for_db_type(keyspace_id,
'master'), sn)
# take all keyspace_ids, make sure for unsharded they stay on'0'
unsharded_ks = self._read_srv_keyspace(UNSHARDED_KEYSPACE)
for sn in shard_names:
for keyspace_id in shard_kid_map[sn]:
self.assertEqual(
unsharded_ks.keyspace_id_to_shard_name_for_db_type(
keyspace_id, 'master'),
'0')
def test_get_srv_keyspace_names(self):
stdout, _ = utils.run_vtctl(['GetSrvKeyspaceNames', 'test_nj'],
trap_output=True)
self.assertEqual(
set(stdout.splitlines()), {SHARDED_KEYSPACE, UNSHARDED_KEYSPACE})
if __name__ == '__main__':
utils.main()
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