def test_api(self):
comm.start_cluster('127.0.0.1', 7100)
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
comm.replicate('127.0.0.1', 7100, '127.0.0.1', 7102)
time.sleep(1)
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
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(3, 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.quit_cluster('127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(range(16384),
nodes[('127.0.0.1', 7100)].assigned_slots)
for i in xrange(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
for i in xrange(20):
rc.delete('key_%s' % i)
comm.quit_cluster('127.0.0.1', 7102)
comm.shutdown_cluster('127.0.0.1', 7100)
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_quit_problems(self):
comm.start_cluster('127.0.0.1', 7100)
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
comm.replicate('127.0.0.1', 7100, '127.0.0.1', 7102)
time.sleep(1)
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
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(3, 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)
for i in xrange(20):
rc.delete('key_%s' % i)
self.assertRaisesRegexp(ValueError, '^The master still has slaves$',
comm.quit_cluster, '127.0.0.1', 7100)
comm.quit_cluster('127.0.0.1', 7102)
comm.quit_cluster('127.0.0.1', 7101)
self.assertRaisesRegexp(ValueError, '^This is the last node',
comm.quit_cluster, '127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_http(self):
app = handlers.base.app
with app.test_client() as client:
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/add', data={
'descr': 'the-quick-brown-fox',
})
self.assertEqual(200, r.status_code)
cluster_id = r.data
r = client.post('/cluster/launch', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertEqual(200, r.status_code)
self.assertRaises(ValueError, comm.quit_cluster, '127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_cluster_with_multiple_nodes(self):
app = handlers.base.app
with app.test_client() as client:
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7101',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/add', data={
'descr': 'the-quick-brown-fox',
})
self.assertEqual(200, r.status_code)
cluster_id = r.data
r = client.post('/cluster/launch', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/join', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7101,
})
self.assertEqual(200, r.status_code)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8192, 16384), node_7100.assigned_slots)
r = client.post('/cluster/migrate_slots', data={
'src_host': '127.0.0.1',
'src_port': 7100,
'dst_host': '127.0.0.1',
'dst_port': 7101,
'slots': '8192,8193,8194,8195',
})
self.assertEqual(200, r.status_code)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8196, 16384), node_7100.assigned_slots)
r = client.post('/cluster/quit', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
comm.shutdown_cluster('127.0.0.1', 7101)
def test_cluster(self):
app = handlers.base.app
with app.test_client() as client:
comm.start_cluster('127.0.0.1', 7100)
r = client.get('/cluster/autodiscover?host=127.0.0.1&port=7100')
self.assertEqual(200, r.status_code)
nodes = json.loads(r.data)
self.assertEqual(1, len(nodes))
self.assertEqual({
'host': '127.0.0.1',
'port': 7100,
'role': 'master',
}, nodes[0])
r = client.post('nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/autojoin', data={
'host': '127.0.0.1',
'port': '7100',
})
self.assertEqual(200, r.status_code)
cluster_id = r.data
r = client.post('/cluster/set_info', data={
'cluster_id': cluster_id,
'descr': '.',
'proxy_host': '127.0.0.1',
'proxy_port': '8889',
})
self.assertEqual(200, r.status_code)
r = list(db.session.query(Proxy).all())
self.assertEqual(1, len(r))
self.assertEqual('127.0.0.1', r[0].host)
self.assertEqual(8889, r[0].port)
self.assertEqual(1, r[0].suppress_alert)
self.assertEqual(int(cluster_id), r[0].cluster_id)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('.', r[0].description)
r = client.post('/cluster/set_info', data={
'cluster_id': cluster_id,
'descr': 'xyzw',
})
self.assertEqual(200, r.status_code)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('xyzw', r[0].description)
comm.shutdown_cluster('127.0.0.1', 7100)
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_fix(self):
def migrate_one_slot(nodes, _):
if nodes[0].port == 7100:
source, target = nodes
else:
target, source = nodes
return [(source, target, 1)]
comm.start_cluster('127.0.0.1', 7100)
rc = RedisCluster([{'host': '127.0.0.1', 'port': 7100}])
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 = Talker('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.talk('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 = Talker('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.talk('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_start_with_max_slots_set(self):
comm.start_cluster('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_execution(self):
with self.app.test_client() as client:
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/add', data={
'descr': 'lazy dog',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/cluster/launch', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertReqStatus(200, r)
task = ClusterTask(cluster_id=int(cluster_id), task_type=0)
task.add_step(
'join', cluster_id=cluster_id, cluster_host='127.0.0.1',
cluster_port=7100, newin_host='127.0.0.1', newin_port=7101)
task.add_step(
'migrate', src_host='127.0.0.1', src_port=7100,
dst_host='127.0.0.1', dst_port=7101, slots=[0, 1])
self.db.session.add(task)
self.db.session.commit()
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(2, 16384), sorted(node_7100.assigned_slots))
tasks = list(self.db.session.query(ClusterTask).all())
self.assertEqual(1, len(tasks))
t = tasks[0]
self.assertIsNotNone(t.completion)
self.assertIsNone(t.exec_error)
self.assertIsNone(t.acquired_lock())
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_start_multi(self):
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7101)].assigned_slots))
comm.quit_cluster('127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7101)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(3, len(nodes))
self.assertEqual(5462, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7101)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7102)].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)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7100), ('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(3, len(nodes))
self.assertEqual(5462, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7101)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7102)].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)
def test_start_multi(self):
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7101)].assigned_slots))
comm.quit_cluster('127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7101)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(3, len(nodes))
self.assertEqual(5462, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7101)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7102)].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)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7100), ('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(3, len(nodes))
self.assertEqual(5462, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7101)].assigned_slots))
self.assertEqual(5461, len(nodes[('127.0.0.1', 7102)].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)
def test_api(self):
comm.start_cluster('127.0.0.1', 7100)
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
comm.replicate('127.0.0.1', 7100, '127.0.0.1', 7102)
time.sleep(1)
rc = StrictRedisCluster(startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
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(3, 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.quit_cluster('127.0.0.1', 7101)
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(range(16384),
nodes[('127.0.0.1', 7100)].assigned_slots)
for i in xrange(20):
self.assertEqual('value_%s' % i, rc.get('key_%s' % i))
for i in xrange(20):
rc.delete('key_%s' % i)
comm.quit_cluster('127.0.0.1', 7102)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_http(self):
with self.app.test_client() as client:
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/add', data={
'descr': 'the-quick-brown-fox',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/cluster/launch', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertReqStatus(200, r)
self.assertRaises(ValueError, comm.quit_cluster, '127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7100)
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_quit_problems(self):
comm.start_cluster('127.0.0.1', 7100)
comm.join_cluster('127.0.0.1', 7100, '127.0.0.1', 7101)
comm.replicate('127.0.0.1', 7100, '127.0.0.1', 7102)
time.sleep(1)
rc = StrictRedisCluster(
startup_nodes=[{
'host': '127.0.0.1',
'port': 7100
}],
decode_responses=True)
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(3, 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)
for i in range(20):
rc.delete('key_%s' % i)
six.assertRaisesRegex(self, ValueError,
'^The master still has slaves$',
comm.quit_cluster, '127.0.0.1', 7100)
comm.quit_cluster('127.0.0.1', 7102)
comm.quit_cluster('127.0.0.1', 7101)
six.assertRaisesRegex(self, ValueError, '^This is the last node',
comm.quit_cluster, '127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_start_multi(self):
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7100)].assigned_slots))
self.assertEqual(8192, len(nodes[('127.0.0.1', 7101)].assigned_slots))
comm.quit_cluster('127.0.0.1', 7100)
comm.shutdown_cluster('127.0.0.1', 7101)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
possible_slots_number = (5461, 5462)
ports = (7100, 7101, 7102)
self.assertEqual(3, len(nodes))
for port in ports:
self.assertIn(len(nodes[('127.0.0.1', port)].assigned_slots),
possible_slots_number,
msg='port=%s' % port)
self.assertEqual(
sum(
len(nodes[('127.0.0.1', port)].assigned_slots)
for port in ports), 16384)
comm.quit_cluster('127.0.0.1', 7100)
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7102)
comm.start_cluster_on_multi([('127.0.0.1', 7100), ('127.0.0.1', 7101),
('127.0.0.1', 7100), ('127.0.0.1', 7102)])
nodes = base.list_nodes('127.0.0.1', 7100)
self.assertEqual(3, len(nodes))
for port in ports:
self.assertIn(len(nodes[('127.0.0.1', port)].assigned_slots),
possible_slots_number,
msg='port=%s' % port)
self.assertEqual(
sum(
len(nodes[('127.0.0.1', port)].assigned_slots)
for port in ports), 16384)
comm.quit_cluster('127.0.0.1', 7100)
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7102)
def test_execution(self):
with self.app.test_client() as client:
r = client.post('/redis/add',
data={
'host': '127.0.0.1',
'port': '7100',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/add', data={
'descr': 'lazy dog',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/task/launch',
data=json.dumps({
'cluster':
cluster_id,
'nodes': [{
'host': '127.0.0.1',
'port': 7100,
}],
}))
self.assertReqStatus(200, r)
self.exec_all_tasks()
task = ClusterTask(cluster_id=int(cluster_id), task_type=0)
task.add_step('join',
cluster_id=cluster_id,
cluster_host='127.0.0.1',
cluster_port=7100,
newin_host='127.0.0.1',
newin_port=7101)
task.add_step('migrate',
src_host='127.0.0.1',
src_port=7100,
dst_host='127.0.0.1',
dst_port=7101,
slots=[0, 1])
self.db.session.add(task)
self.db.session.commit()
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(2, 16384), sorted(node_7100.assigned_slots))
tasks = list(
self.db.session.query(ClusterTask).order_by(
ClusterTask.id.asc()).all())
self.assertEqual(2, len(tasks))
t = tasks[0]
self.assertIsNotNone(t.completion)
self.assertEqual(TASK_TYPE_LAUNCH, t.task_type)
t = tasks[1]
self.assertIsNotNone(t.completion)
self.assertIsNone(t.exec_error)
self.assertIsNone(t.acquired_lock())
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.start_cluster('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, 'Cluster containing 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_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.start_cluster('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, 'Cluster containing 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_cluster_with_multiple_nodes(self):
with self.app.test_client() as client:
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/nodes/add', data={
'host': '127.0.0.1',
'port': '7101',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/add', data={
'descr': 'the-quick-brown-fox',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/cluster/launch', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertReqStatus(200, r)
r = client.post('/cluster/join', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7101,
})
self.assertReqStatus(200, r)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(1, len(nodes))
tasks = list(models.task.undone_tasks())
self.assertEqual(1, len(tasks))
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(16384, len(node_7100.assigned_slots))
r = client.post('/cluster/migrate_slots', data={
'src_host': '127.0.0.1',
'src_port': 7100,
'dst_host': '127.0.0.1',
'dst_port': 7101,
'slots': '8192,8193,8194,8195',
})
self.assertReqStatus(200, r)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(16384, len(node_7100.assigned_slots))
tasks = list(models.task.undone_tasks())
self.assertEqual(1, len(tasks))
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(16380, len(node_7100.assigned_slots))
r = client.post('/cluster/quit', data=json.dumps({
'host': '127.0.0.1',
'port': 7101,
'migratings': [{
'host': '127.0.0.1',
'port': 7100,
'slots': [8192, 8193, 8194, 8195],
}],
}))
self.assertReqStatus(200, r)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
tasks = list(models.task.undone_tasks())
self.assertEqual(1, len(tasks))
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(1, len(nodes))
comm.shutdown_cluster('127.0.0.1', 7100)
def test_cluster(self):
app = handlers.base.app
with app.test_client() as client:
comm.start_cluster('127.0.0.1', 7100)
r = client.get('/cluster/autodiscover?host=127.0.0.1&port=7100')
self.assertEqual(200, r.status_code)
nodes = json.loads(r.data)
self.assertEqual(1, len(nodes))
self.assertEqual(
{
'host': '127.0.0.1',
'port': 7100,
'role': 'master',
}, nodes[0])
r = client.post('nodes/add',
data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/autojoin',
data={
'host': '127.0.0.1',
'port': '7100',
})
self.assertEqual(200, r.status_code)
cluster_id = r.data
r = client.post('/cluster/set_info',
data={
'cluster_id': cluster_id,
'descr': '.',
'proxy_host': '127.0.0.1',
'proxy_port': '8889',
})
self.assertEqual(200, r.status_code)
r = list(db.session.query(Proxy).all())
self.assertEqual(1, len(r))
self.assertEqual('127.0.0.1', r[0].host)
self.assertEqual(8889, r[0].port)
self.assertEqual(1, r[0].suppress_alert)
self.assertEqual(int(cluster_id), r[0].cluster_id)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('.', r[0].description)
r = client.post('/cluster/set_info',
data={
'cluster_id': cluster_id,
'descr': 'xyzw',
})
self.assertEqual(200, r.status_code)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('xyzw', r[0].description)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_cluster_with_multiple_nodes(self):
app = handlers.base.app
with app.test_client() as client:
r = client.post('/nodes/add',
data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/nodes/add',
data={
'host': '127.0.0.1',
'port': '7101',
'mem': '1048576',
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/add',
data={
'descr': 'the-quick-brown-fox',
})
self.assertEqual(200, r.status_code)
cluster_id = r.data
r = client.post('/cluster/launch',
data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertEqual(200, r.status_code)
r = client.post('/cluster/join',
data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7101,
})
self.assertEqual(200, r.status_code)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8192, 16384), node_7100.assigned_slots)
r = client.post('/cluster/migrate_slots',
data={
'src_host': '127.0.0.1',
'src_port': 7100,
'dst_host': '127.0.0.1',
'dst_port': 7101,
'slots': '8192,8193,8194,8195',
})
self.assertEqual(200, r.status_code)
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(8196, 16384), node_7100.assigned_slots)
r = client.post('/cluster/quit',
data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
comm.shutdown_cluster('127.0.0.1', 7101)
def test_cluster(self):
with self.app.test_client() as client:
comm.start_cluster('127.0.0.1', 7100)
r = client.get('/cluster/autodiscover?host=127.0.0.1&port=7100')
self.assertReqStatus(200, r)
result = json.loads(r.data)
self.assertTrue(result['cluster_discovered'])
nodes = result['nodes']
self.assertEqual(1, len(nodes))
self.assertEqual({
'host': '127.0.0.1',
'port': 7100,
'role': 'master',
'known': False,
}, nodes[0])
r = client.post('nodes/add', data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/autojoin', data={
'host': '127.0.0.1',
'port': '7100',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/cluster/set_info', data={
'cluster_id': cluster_id,
'descr': '.',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/register_proxy', data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': '8889',
})
self.assertReqStatus(200, r)
r = list(db.session.query(Proxy).all())
self.assertEqual(1, len(r))
self.assertEqual('127.0.0.1', r[0].host)
self.assertEqual(8889, r[0].port)
self.assertEqual(1, r[0].suppress_alert)
self.assertEqual(int(cluster_id), r[0].cluster_id)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('.', r[0].description)
r = client.post('/cluster/set_info', data={
'cluster_id': cluster_id,
'descr': 'xyzw',
})
self.assertReqStatus(200, r)
r = list(db.session.query(Cluster).all())
self.assertEqual(1, len(r))
self.assertEqual('xyzw', r[0].description)
comm.shutdown_cluster('127.0.0.1', 7100)
def test_execution_failed(self):
with self.app.test_client() as client:
r = client.post('/nodes/add',
data={
'host': '127.0.0.1',
'port': '7100',
'mem': '1048576',
})
self.assertReqStatus(200, r)
r = client.post('/cluster/add', data={
'descr': 'lazy dog',
})
self.assertReqStatus(200, r)
cluster_id = r.data
r = client.post('/cluster/launch',
data={
'cluster_id': cluster_id,
'host': '127.0.0.1',
'port': 7100,
})
self.assertReqStatus(200, r)
task = ClusterTask(cluster_id=int(cluster_id), task_type=0)
task.add_step('join',
cluster_id=cluster_id,
cluster_host='127.0.0.1',
cluster_port=7100,
newin_host='127.0.0.1',
newin_port=7101)
task.add_step('migrate',
src_host='127.0.0.1',
src_port=7100,
dst_host='127.0.0.1',
dst_port=7101,
slots=[0, 1])
task.add_step('migrate',
src_host='127.0.0.1',
src_port=7100,
dst_host='127.0.0.1',
dst_port=7101,
slots=[0, 1])
task.add_step('migrate',
src_host='127.0.0.1',
src_port=7100,
dst_host='127.0.0.1',
dst_port=7101,
slots=[2, 3])
self.db.session.add(task)
self.db.session.commit()
self.exec_all_tasks()
nodes, node_7100 = comm.list_nodes('127.0.0.1', 7100)
self.assertEqual(2, len(nodes))
self.assertEqual(range(2, 16384), sorted(node_7100.assigned_slots))
tasks = list(self.db.session.query(ClusterTask).all())
self.assertEqual(1, len(tasks))
t = tasks[0]
self.assertIsNotNone(t.completion)
self.assertIsNotNone(t.exec_error)
self.assertIsNone(t.acquired_lock())
steps = t.all_steps
self.assertEqual(4, len(steps))
step = steps[0]
self.assertTrue(step.completed)
self.assertIsNone(step.exec_error)
step = steps[1]
self.assertTrue(step.completed)
self.assertIsNone(step.exec_error)
step = steps[2]
self.assertTrue(step.completed)
self.assertIsNotNone(step.exec_error)
step = steps[3]
self.assertFalse(step.started)
self.assertFalse(step.completed)
self.assertIsNone(step.exec_error)
comm.quit_cluster('127.0.0.1', 7101)
comm.shutdown_cluster('127.0.0.1', 7100)
