def test_start_with_max_slots_set(self):
comm.create([('127.0.0.1', 7100)], max_slots=7000)
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
rc.delete('key')
comm.shutdown_cluster('127.0.0.1', 7100)
comm.start_cluster_on_multi(
[('127.0.0.1', 7100), ('127.0.0.1', 7101)], max_slots=7000)
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
rc.delete('key')
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_fix(self):
def migrate_one_slot(nodes, _):
if nodes[0].port == 7100:
source, target = nodes
else:
target, source = nodes
return [(source, target, 1)]
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
comm.join_cluster('127.0.0.1',
7100,
'127.0.0.1',
7101,
balance_plan=migrate_one_slot)
rc.set('h-893', 'I am in slot 0')
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
t7100 = Connection('127.0.0.1', 7100)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
t7100.execute('cluster', 'setslot', 0, 'importing', n7101.node_id)
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
t7101 = Connection('127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
t7100.execute('cluster', 'setslot', 0, 'migrating', n7101.node_id)
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
comm.quit_cluster('127.0.0.1', 7101)
rc.delete('h-893')
comm.shutdown_cluster('127.0.0.1', 7100)
t7100.close()
t7101.close()
def test_join_no_load(self):
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('x-{h-893}', 'y')
rc.set('y-{h-893}', 'zzZ')
rc.set('z-{h-893}', 'w')
rc.incr('h-893')
comm.join_no_load('127.0.0.1', 7100, '127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
comm.join_no_load('127.0.0.1', 7100, '127.0.0.1', 7102)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101, [0])
nodes = base.list_nodes('127.0.0.1', 7102)
self.assertEqual(3, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
n7102 = nodes[('127.0.0.1', 7102)]
self.assertEqual(16383, len(n7100.assigned_slots))
self.assertEqual(1, len(n7101.assigned_slots))
self.assertEqual(0, len(n7102.assigned_slots))
try:
t = n7101.get_conn()
m = t.execute('get', 'h-893')
self.assertEqual('1', m)
m = t.execute('get', 'y-{h-893}')
self.assertEqual('zzZ', m)
comm.quit_cluster('127.0.0.1', 7102)
comm.quit_cluster('127.0.0.1', 7101)
t = n7100.get_conn()
rc.delete('x-{h-893}')
rc.delete('y-{h-893}')
rc.delete('z-{h-893}')
rc.delete('h-893')
comm.shutdown_cluster('127.0.0.1', 7100)
finally:
n7100.close()
n7101.close()
def test_api(self):
conf_file = '/tmp/redis_cluster_node_7103.conf'
redis_server = Popen([
os.environ['REDIS_SERVER'],
'--cluster-enabled',
'yes',
'--cluster-config-file',
conf_file,
'--save',
'',
'--appendonly',
'no',
'--port',
'7103',
])
time.sleep(1)
try:
comm.create([
('127.0.0.1', 7101),
('127.0.0.1', 7102),
('127.0.0.1', 7103),
])
nodes = base.list_nodes('127.0.0.1', 7101)
slots = nodes[('127.0.0.1', 7103)].assigned_slots
redis_server.terminate()
redis_server = None
# wait for process stop
try:
while True:
time.sleep(3)
base.list_nodes('127.0.0.1', 7103)
except RedisIOError as e:
# redis cluster-node-timeout + 1
time.sleep(6)
comm.rescue_cluster('127.0.0.1', 7102, '127.0.0.1', 7100)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(slots, nodes[('127.0.0.1', 7100)].assigned_slots)
nodes = base.list_nodes('127.0.0.1', 7101)
self.assertEqual(slots, nodes[('127.0.0.1', 7100)].assigned_slots)
nodes = base.list_nodes('127.0.0.1', 7102)
self.assertEqual(slots, nodes[('127.0.0.1', 7100)].assigned_slots)
comm.quit_cluster('127.0.0.1', 7100)
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7102, ignore_failed=True)
finally:
if redis_server != None:
redis_server.kill()
os.remove(conf_file)
def test_join_no_load(self):
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('x-{h-893}', 'y')
rc.set('y-{h-893}', 'zzZ')
rc.set('z-{h-893}', 'w')
rc.incr('h-893')
comm.join_no_load('127.0.0.1', 7100, '127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
comm.join_no_load('127.0.0.1', 7100, '127.0.0.1', 7102)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101, [0])
nodes = base.list_nodes('127.0.0.1', 7102)
self.assertEqual(3, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
n7102 = nodes[('127.0.0.1', 7102)]
self.assertEqual(16383, len(n7100.assigned_slots))
self.assertEqual(1, len(n7101.assigned_slots))
self.assertEqual(0, len(n7102.assigned_slots))
try:
t = n7101.get_conn()
m = t.execute('get', 'h-893')
self.assertEqual('1', m)
m = t.execute('get', 'y-{h-893}')
self.assertEqual('zzZ', m)
comm.quit_cluster('127.0.0.1', 7102)
comm.quit_cluster('127.0.0.1', 7101)
t = n7100.get_conn()
rc.delete('x-{h-893}')
rc.delete('y-{h-893}')
rc.delete('z-{h-893}')
rc.delete('h-893')
comm.shutdown_cluster('127.0.0.1', 7100)
finally:
n7100.close()
n7101.close()
def test_start_with_max_slots_set(self):
comm.create([('127.0.0.1', 7100)], max_slots=7000)
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
rc.delete('key')
comm.shutdown_cluster('127.0.0.1', 7100)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101)],
max_slots=7000)
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
rc.delete('key')
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_api(self):
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
for i in range(20):
rc.set('key_%s' % i, 'value_%s' % i)
for i in range(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(list(range(8192)),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(list(range(8192, 16384)),
nodes[('127.0.0.1', 7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101, [8192])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(list(range(8193)),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(list(range(8193, 16384)),
nodes[('127.0.0.1', 7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101,
[8193, 8194, 8195])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(list(range(8196)),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(list(range(8196, 16384)),
nodes[('127.0.0.1', 7100)].assigned_slots)
six.assertRaisesRegex(self, ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8192])
six.assertRaisesRegex(self, ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8195, 8196])
six.assertRaisesRegex(self, ValueError,
'Two nodes are not in the same cluster',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7102, [8196])
comm.quit_cluster('127.0.0.1', 7100)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(1, len(nodes))
self.assertEqual(0, len(nodes[('127.0.0.1', 7100)].assigned_slots))
nodes = base.list_nodes('127.0.0.1', 7101)
self.assertEqual(1, len(nodes))
self.assertEqual(list(range(16384)),
nodes[('127.0.0.1', 7101)].assigned_slots)
rc = StrictRedisCluster(startup_nodes=[{
'host': '127.0.0.1',
'port': 7101
}],
decode_responses=True)
for i in range(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
self.assertEqual('value', rc.get('key'))
six.assertRaisesRegex(self, RedisStatusError, 'still contains keys',
comm.shutdown_cluster, '127.0.0.1', 7101)
rc.delete('key', *['key_%s' % i for i in range(20)])
comm.shutdown_cluster('127.0.0.1', 7101)
six.assertRaisesRegex(
self, RedisClusterException,
'All slots are not covered after query all startup_nodes. .*',
rc.get, 'key')
def test_api(self):
comm.create([('127.0.0.1', 7100)])
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
for i in xrange(20):
rc.set('key_%s' % i, 'value_%s' % i)
for i in xrange(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8192),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(range(8192, 16384),
nodes[('127.0.0.1', 7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101, [8192])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8193),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(range(8193, 16384),
nodes[('127.0.0.1', 7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101,
[8193, 8194, 8195])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8196),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(range(8196, 16384),
nodes[('127.0.0.1', 7100)].assigned_slots)
self.assertRaisesRegexp(ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8192])
self.assertRaisesRegexp(ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8195, 8196])
self.assertRaisesRegexp(ValueError,
'Two nodes are not in the same cluster',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7102, [8196])
comm.quit_cluster('127.0.0.1', 7100)
for i in xrange(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
self.assertEqual('value', rc.get('key'))
nodes = base.list_nodes('127.0.0.1', 7101)
self.assertEqual(1, len(nodes))
self.assertEqual(range(16384),
nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertRaisesRegexp(RedisStatusError, 'still contains keys',
comm.shutdown_cluster, '127.0.0.1', 7101)
rc.delete('key', *['key_%s' % i for i in xrange(20)])
comm.shutdown_cluster('127.0.0.1', 7101)
self.assertRaisesRegexp(ResponseError, 'CLUSTERDOWN .*', rc.get, 'key')
def test_fix(self):
def migrate_one_slot(nodes, _):
if nodes[0].port == 7100:
source, target = nodes
else:
target, source = nodes
return [(source, target, 1)]
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
comm.join_cluster(
'127.0.0.1',
7100,
'127.0.0.1',
7101,
balance_plan=migrate_one_slot)
rc.set('h-893', 'I am in slot 0')
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
t7100 = Connection('127.0.0.1', 7100)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
t7100.execute('cluster', 'setslot', 0, 'importing', n7101.node_id)
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
t7101 = Connection('127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
n7100 = nodes[('127.0.0.1', 7100)]
n7101 = nodes[('127.0.0.1', 7101)]
self.assertEqual(16384, len(n7100.assigned_slots))
self.assertEqual(0, len(n7101.assigned_slots))
t7100.execute('cluster', 'setslot', 0, 'migrating', n7101.node_id)
comm.fix_migrating('127.0.0.1', 7100)
self.assertEqual('I am in slot 0', rc.get('h-893'))
comm.quit_cluster('127.0.0.1', 7101)
rc.delete('h-893')
comm.shutdown_cluster('127.0.0.1', 7100)
t7100.close()
t7101.close()
def test_api(self):
comm.create([('127.0.0.1', 7100)])
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
rc.set('key', 'value')
self.assertEqual('value', rc.get('key'))
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
for i in range(20):
rc.set('key_%s' % i, 'value_%s' % i)
for i in range(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(
list(range(8192)), nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(
list(range(8192, 16384)), nodes[('127.0.0.1',
7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101, [8192])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(
list(range(8193)), nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(
list(range(8193, 16384)), nodes[('127.0.0.1',
7100)].assigned_slots)
comm.migrate_slots('127.0.0.1', 7100, '127.0.0.1', 7101,
[8193, 8194, 8195])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(
list(range(8196)), nodes[('127.0.0.1', 7101)].assigned_slots)
self.assertEqual(
list(range(8196, 16384)), nodes[('127.0.0.1',
7100)].assigned_slots)
six.assertRaisesRegex(self, ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8192])
six.assertRaisesRegex(self, ValueError, 'Not all slot held by',
comm.migrate_slots, '127.0.0.1', 7100,
'127.0.0.1', 7101, [8195, 8196])
six.assertRaisesRegex(
self, ValueError, 'Two nodes are not in the same cluster',
comm.migrate_slots, '127.0.0.1', 7100, '127.0.0.1', 7102, [8196])
comm.quit_cluster('127.0.0.1', 7100)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(1, len(nodes))
self.assertEqual(0, len(nodes[('127.0.0.1', 7100)].assigned_slots))
nodes = base.list_nodes('127.0.0.1', 7101)
self.assertEqual(1, len(nodes))
self.assertEqual(
list(range(16384)), nodes[('127.0.0.1', 7101)].assigned_slots)
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7101
}],
decode_responses=True)
for i in range(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
self.assertEqual('value', rc.get('key'))
six.assertRaisesRegex(self, RedisStatusError, 'still contains keys',
comm.shutdown_cluster, '127.0.0.1', 7101)
rc.delete('key', *['key_%s' % i for i in range(20)])
comm.shutdown_cluster('127.0.0.1', 7101)
six.assertRaisesRegex(
self, RedisClusterException,
'All slots are not covered after query all startup_nodes. .*',
rc.get, 'key')