def master_hang(self):
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set values
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
# get master, slave1, slave2
if len(self.cluster['servers']) == 3:
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
else:
m, s1 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
util.log('server state before hang')
util.log_server_state(self.cluster)
# hang
smr = smr_mgmt.SMR(m['id'])
ret = smr.connect(m['ip'], m['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(m['ip'], m['smr_mgmt_port']))
smr.write('fi delay sleep 1 10000\r\n')
reply = smr.read_until('\r\n', 1)
if reply != None and reply.find('-ERR not supported') != -1:
self.assertEqual(
0, 1, 'make sure that smr has compiled with gcov option.')
time.sleep(5)
# wait for forced master election
success = False
for i in range(20):
role = util.get_role_of_server(s1)
if role == c.ROLE_MASTER:
success = True
break
if len(self.cluster['servers']) == 3:
role = util.get_role_of_server(s2)
if role == c.ROLE_MASTER:
success = True
break
time.sleep(1)
util.log('server state transition after hang')
util.log_server_state(self.cluster)
self.assertEqual(success, True, 'failed to forced master election')
redis1 = redis_mgmt.Redis(s1['id'])
ret = redis1.connect(s1['ip'], s1['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s1['ip'], s1['redis_port']))
# set new values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis1.write(cmd)
res = redis1.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to redis1. cmd:%s, res:%s' %
(cmd[:-2], res))
if len(self.cluster['servers']) == 3:
redis2 = redis_mgmt.Redis(s2['id'])
ret = redis2.connect(s2['ip'], s2['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s2['ip'], s2['redis_port']))
# check new values
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis2.write(cmd)
redis2.read_until('\r\n')
res = redis2.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis2. %s != %d' % (res, i))
# check if the haning server recovered and joined as a slave
time.sleep(7)
role = util.get_role_of_server(m)
self.assertEqual(role, c.ROLE_SLAVE, 'failed to join as a slave')
redis0 = redis_mgmt.Redis(m['id'])
ret = redis0.connect(m['ip'], m['redis_port'])
self.assertEquals(
ret, 0,
'failed to connect to redis(%s:%d).' % (m['ip'], m['redis_port']))
util.log('server state transition after hang')
util.log_server_state(self.cluster)
# check new values
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis0.write(cmd)
redis0.read_until('\r\n')
res = redis0.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis2. %s != %d' % (res[:-2], i))
# check consistency
self.assertEqual(
util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port), True, 'role consistency fail')
return 0
def master_failover_while_hang(self):
util.print_frame()
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set values
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
# get master, slave1, slave2
if len(self.cluster['servers']) == 3:
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
else:
m, s1 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
util.log('server state before hang')
util.log_server_state(self.cluster)
self.failover_while_hang(m)
util.log('server state transition after hang')
util.log_server_state(self.cluster)
redis1 = redis_mgmt.Redis(m['id'])
ret = redis1.connect(m['ip'], m['redis_port'])
self.assertEqual(
ret, 0,
'failed to connect to redis(%s:%d).' % (m['ip'], m['redis_port']))
# set new values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis1.write(cmd)
res = redis1.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to redis1. cmd:%s, res:%s' %
(cmd[:-2], res))
if len(self.cluster['servers']) == 3:
redis2 = redis_mgmt.Redis(s2['id'])
ret = redis2.connect(s2['ip'], s2['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s2['ip'], s2['redis_port']))
# check new values
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis2.write(cmd)
redis2.read_until('\r\n')
res = redis2.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis2. %s != %d' % (res, i))
util.log(
'succeeded : check values with set/get operations with pgs%d and pgs%d.'
% (m['id'], s2['id']))
redis0 = redis_mgmt.Redis(m['id'])
ret = redis0.connect(m['ip'], m['redis_port'])
self.assertEquals(
ret, 0,
'failed to connect to redis(%s:%d).' % (m['ip'], m['redis_port']))
# check new values
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis0.write(cmd)
redis0.read_until('\r\n')
res = redis0.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis2. %s != %d' % (res[:-2], i))
# check consistency
self.assertEqual(
util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port), True, 'role consistency fail')
return 0
def test_two_slaves_hang(self):
util.print_frame()
self.setup_test_cluster(self.cluster_3copy)
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set values
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
# get master, slave1, slave2
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
util.log('server state before hang')
util.log_server_state(self.cluster)
# timestamp before hang
ts_before1 = util.get_timestamp_of_pgs(s1)
self.assertNotEqual(
ts_before1, -1,
'failed to get a timestamp of pgs(%d), ts_before:%d' %
(s1['id'], ts_before1))
ts_before2 = util.get_timestamp_of_pgs(s2)
self.assertNotEqual(
ts_before2, -1,
'failed to get a timestamp of pgs(%d), ts_before:%d' %
(s2['id'], ts_before2))
# hang
smr1 = smr_mgmt.SMR(s1['id'])
ret = smr1.connect(s1['ip'], s1['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(s1['ip'], s1['smr_mgmt_port']))
smr2 = smr_mgmt.SMR(s2['id'])
ret = smr2.connect(s2['ip'], s2['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(s1['ip'], s1['smr_mgmt_port']))
smr1.write('fi delay sleep 1 8000\r\n')
reply = smr1.read_until('\r\n', 1)
if reply != None and reply.find('-ERR not supported') != -1:
self.assertEqual(
0, 1, 'make sure that smr has compiled with gcov option.')
smr2.write('fi delay sleep 1 8000\r\n')
time.sleep(7)
success = False
for i in xrange(20):
ret = util.check_cluster(self.cluster['cluster_name'],
self.mgmt_ip,
self.mgmt_port,
check_quorum=True)
if ret:
success = True
break
time.sleep(1)
self.assertEqual(success, True, 'unstable cluster')
# get master, slave1, slave2
m, s1, s2 = util.get_mss(self.cluster)
redis1 = redis_mgmt.Redis(s1['id'])
ret = redis1.connect(s1['ip'], s1['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s1['ip'], s1['redis_port']))
redis2 = redis_mgmt.Redis(s2['id'])
ret = redis2.connect(s2['ip'], s2['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s2['ip'], s2['redis_port']))
# set new values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis1.write(cmd)
res = redis1.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to redis1. cmd:%s, res:%s' %
(cmd[:-2], res))
# check new values
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis2.write(cmd)
redis2.read_until('\r\n')
res = redis2.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis2. %s != %d' % (res, i))
# check consistency
self.assertEqual(
util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port), True, 'role consistency fail')
return 0
def test_all_pgs_hang(self):
util.print_frame()
self.setup_test_cluster(self.cluster_3copy)
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set values
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
# get master, slave1, slave2
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
util.log('server state before hang')
util.log_server_state(self.cluster)
# hang
smr_master = smr_mgmt.SMR(m['id'])
ret = smr_master.connect(m['ip'], m['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(m['ip'], m['smr_mgmt_port']))
smr_slave1 = smr_mgmt.SMR(s1['id'])
ret = smr_slave1.connect(s1['ip'], s1['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(s1['ip'], s1['smr_mgmt_port']))
smr_slave2 = smr_mgmt.SMR(s2['id'])
ret = smr_slave2.connect(s2['ip'], s2['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(s2['ip'], s2['smr_mgmt_port']))
m_ts = util.get_timestamp_of_pgs(m)
s1_ts = util.get_timestamp_of_pgs(s1)
s2_ts = util.get_timestamp_of_pgs(s2)
smr_master.write('fi delay sleep 1 8000\r\n')
reply = smr_master.read_until('\r\n', 1)
if reply != None and reply.find('-ERR not supported') != -1:
self.assertEqual(
0, 1, 'make sure that smr has compiled with gcov option.')
smr_slave1.write('fi delay sleep 1 8000\r\n')
smr_slave2.write('fi delay sleep 1 8000\r\n')
time.sleep(10)
# check consistency
ok = False
for try_cnt in xrange(20):
ok = util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port)
if ok:
break
time.sleep(0.5)
self.assertTrue(ok, 'Unstable cluster state')
util.log('server state transition after hang')
util.log_server_state(self.cluster)
redis0 = redis_mgmt.Redis(m['id'])
ret = redis0.connect(m['ip'], m['redis_port'])
self.assertEqual(
ret, 0,
'failed to connect to redis(%s:%d).' % (m['ip'], m['redis_port']))
# set values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis0.write(cmd)
res = redis0.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
redis1 = redis_mgmt.Redis(s1['id'])
ret = redis1.connect(s1['ip'], s1['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s1['ip'], s1['redis_port']))
redis2 = redis_mgmt.Redis(s2['id'])
ret = redis2.connect(s2['ip'], s2['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s2['ip'], s2['redis_port']))
# check new values (m)
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis0.write(cmd)
redis0.read_until('\r\n')
res = redis0.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis(id:%d). %s != %d' %
(m['id'], res, i))
# check new values (s1)
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis1.write(cmd)
redis1.read_until('\r\n')
res = redis1.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis(id:%d). %s != %d' %
(s1['id'], res[:-2], i))
# check new values (s2)
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis2.write(cmd)
redis2.read_until('\r\n')
res = redis2.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis(id:%d). %s != %d' %
(s2['id'], res[:-2], i))
# check consistency
ok = False
for try_cnt in range(0, 10):
ok = util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port)
print ok
if ok:
break
time.sleep(1)
self.assertEqual(ok, True, 'role consistency fail')
return 0
def state_transition(self):
server = util.get_server_by_role(self.cluster['servers'], 'slave')
self.assertNotEquals(server, None,
'failed to get_server_by_role-slave')
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
# check initial state
state = self.get_expected_smr_state(server, 'N')
role = util.get_role_of_server(server)
self.assertEquals(
'N', state, 'server%d - state:%s, role:%s, expected:N' %
(server['id'], state, role))
# shutdown
ret = testbase.request_to_shutdown_smr(server)
self.assertEquals(ret, 0, 'failed to shutdown smr')
ret = testbase.request_to_shutdown_redis(server)
self.assertEquals(ret, 0, 'failed to shutdown redis')
time.sleep(3)
# check state F
expected = 'F'
state = self.get_expected_smr_state(server, expected)
self.assertEquals(
expected, state, 'server%d - state:%s, but expected:%s' %
(server['id'], state, expected))
# set value
ret = gw.connect(ip, port)
self.assertEquals(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
timestamp = 0.0
for i in range(0, 100):
timestamp = time.time()
key = 'new_key_haha'
cmd = 'set %s %f\r\n' % (key, timestamp)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
gw.disconnect()
# recovery
ret = testbase.request_to_start_smr(server)
self.assertEquals(ret, 0, 'failed to start smr')
ret = testbase.request_to_start_redis(server)
self.assertEquals(ret, 0, 'failed to start redis')
ret = testbase.wait_until_finished_to_set_up_role(server, 10)
self.assertEquals(ret, 0,
'failed to role change. smr_id:%d' % (server['id']))
time.sleep(5)
redis = redis_mgmt.Redis(server['id'])
ret = redis.connect(server['ip'], server['redis_port'])
self.assertEquals(ret, 0, 'failed to connect to redis')
# check state N
expected = 'N'
max_try = 20
for i in range(0, max_try):
state = self.get_expected_smr_state(server, expected)
if state == expected:
break
time.sleep(1)
role = util.get_role_of_server(server)
self.assertEquals(
expected, state, 'server%d - state:%s, role:%s, but expected:%s' %
(server['id'], state, role, expected))
def master_and_slave_hang(self):
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set values
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values. cmd:%s, res:%s' % (cmd, res))
# get master, slave1, slave2
if len(self.cluster['servers']) == 3:
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
else:
m, s1 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
util.log('server state before hang')
util.log_server_state(self.cluster)
# hang
smr_master = smr_mgmt.SMR(m['id'])
ret = smr_master.connect(m['ip'], m['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(m['ip'], m['smr_mgmt_port']))
smr_slave = smr_mgmt.SMR(s1['id'])
ret = smr_slave.connect(s1['ip'], s1['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(s1['ip'], s1['smr_mgmt_port']))
smr_master.write('fi delay sleep 1 10000\r\n')
reply = smr_master.read_until('\r\n', 1)
if reply != None and reply.find('-ERR not supported') != -1:
self.assertEqual(
0, 1, 'make sure that smr has compiled with gcov option.')
smr_slave.write('fi delay sleep 1 10000\r\n')
util.log('server state transition after hang')
util.log_server_state(self.cluster)
time.sleep(5)
if len(self.cluster['servers']) == 3:
# wait for forced master election
success = True
for i in range(15):
state = []
util.check_cluster(self.cluster['cluster_name'],
self.leader_cm['ip'],
self.leader_cm['cm_port'], state)
s2_state = filter(lambda s: s['pgs_id'] == s2['id'], state)[0]
role = s2_state['active_role']
if role != 'M':
success = False
break
time.sleep(1)
util.log('')
util.log('It expects that pgs2 is a master. PG.COPY: 3, PG.Q: 2')
util.log('')
util.log_server_state(self.cluster)
self.assertEqual(success, True, 'failed to check copy-quorum')
ok = False
for i in xrange(10):
ok = util.check_cluster(self.cluster['cluster_name'],
self.leader_cm['ip'],
self.leader_cm['cm_port'])
if ok:
break
self.assertTrue(ok, 'Cluster state is not normal!')
redis2 = redis_mgmt.Redis(s2['id'])
ret = redis2.connect(s2['ip'], s2['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis(%s:%d).' %
(s2['ip'], s2['redis_port']))
# set new values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis2.write(cmd)
res = redis2.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to redis1. cmd:%s, res:%s' %
(cmd[:-2], res))
util.log('server state transition after hang')
util.log_server_state(self.cluster)
redis0 = redis_mgmt.Redis(m['id'])
ret = redis0.connect(m['ip'], m['redis_port'])
self.assertEqual(
ret, 0,
'failed to connect to redis0(%s:%d).' % (m['ip'], m['redis_port']))
redis1 = redis_mgmt.Redis(s1['id'])
ret = redis1.connect(s1['ip'], s1['redis_port'])
self.assertEqual(
ret, 0, 'failed to connect to redis1(%s:%d).' %
(s1['ip'], s1['redis_port']))
if len(self.cluster['servers']) != 3:
# set new values
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
redis0.write(cmd)
res = redis0.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to redis0. cmd:%s, res:%s' %
(cmd[:-2], res))
# check new values (m)
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis0.write(cmd)
redis0.read_until('\r\n')
res = redis0.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis(id:%d). %s != %d' %
(m['id'], res, i))
# check new values (s1)
for i in range(10000, 20000):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis1.write(cmd)
redis1.read_until('\r\n')
res = redis1.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis(id:%d). %s != %d' %
(s1['id'], res[:-2], i))
# check consistency
self.assertEqual(
util.check_cluster(self.cluster['cluster_name'], self.mgmt_ip,
self.mgmt_port), True, 'role consistency fail')
return 0
def consistent_after_failover(self):
max = 10000
wait_count = 15
key = 'caf'
# get master, slave1, and slave2
master, slave1, slave2 = self.get_mss()
# set value
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(ip)
gw.connect(ip, port)
for i in range(0, max):
cmd = 'set %s%d %d\r\n' % (key, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
time.sleep(5)
# shutdown
servers = [master, slave1, slave2]
for server in servers:
util.log('before shutdown pgs%d' % server['id'])
for s in servers:
self.getseq_log(s)
ret = testbase.request_to_shutdown_smr(server)
self.assertEqual(
ret, 0, 'failed to shutdown smr, server:%d' % server['id'])
ret = testbase.request_to_shutdown_redis(server)
self.assertEquals(ret, 0, 'failed to shutdown redis')
time.sleep(5)
# check state F
for server in servers:
state = self.get_expected_smr_state(server, 'F')
self.assertEquals('F', state,
'server%d - state:%s' % (server['id'], state))
# recovery
for server in servers:
ret = testbase.request_to_start_smr(server)
self.assertEqual(ret, 0,
'failed to start smr, server:%d' % server['id'])
ret = testbase.request_to_start_redis(server, False)
self.assertEqual(ret, 0,
'failed to start redis, server:%d' % server['id'])
util.log('after restart pgs%d' % server['id'])
for s in servers:
self.getseq_log(s)
time.sleep(5)
# wait for master election
for i in xrange(10):
ret = util.check_cluster(self.cluster['cluster_name'],
self.leader_cm['ip'],
self.leader_cm['cm_port'])
if ret:
break
time.sleep(1)
# check state
for server in servers:
ret = testbase.wait_until_finished_to_set_up_role(
server, wait_count)
self.assertEquals(
ret, 0, 'failed to role change. server:%d' % (server['id']))
state = self.get_expected_smr_state(server, 'N')
role = util.get_role_of_server(server)
self.assertEquals(
'N', state,
'server%d - state:%s, role:%s' % (server['id'], state, role))
the_number_of_master = 0
the_number_of_slave = 0
for server in servers:
role = util.get_role_of_server(server)
if role == c.ROLE_MASTER:
the_number_of_master = the_number_of_master + 1
elif role == c.ROLE_SLAVE:
the_number_of_slave = the_number_of_slave + 1
self.assertTrue(
1 == the_number_of_master and 2 == the_number_of_slave,
'failed to set roles, the number of master:%d, the number of slave:%d'
% (the_number_of_master, the_number_of_slave))
# get master, slave1, and slave2
master, slave1, slave2 = self.get_mss()
# connect to a master`s redis and set data
redis = redis_mgmt.Redis(master['id'])
ret = redis.connect(master['ip'], master['redis_port'])
self.assertEquals(
ret, 0, 'failed to connect to redis, server:%d' % master['id'])
for i in range(max, max * 2):
cmd = 'set %s%d %d\r\n' % (key, i, i)
redis.write(cmd)
res = redis.read_until('\r\n')
self.assertEquals(
res, '+OK\r\n',
'failed to get response, server:%d' % master['id'])
redis.disconnect()
# check slaves`s data
slaves = [slave1, slave2]
for slave in slaves:
slave_redis = redis_mgmt.Redis(slave['id'])
ret = slave_redis.connect(slave['ip'], slave['redis_port'])
self.assertEquals(
ret, 0, 'failed to connect to redis, server:%d' % slave['id'])
for i in range(0, max * 2):
cmd = 'get %s%d\r\n' % (key, i)
slave_redis.write(cmd)
trash = slave_redis.read_until('\r\n')
res = slave_redis.read_until('\r\n')
self.assertEquals(
res, '%d\r\n' % i,
'inconsistent, server:%d, expected %d but %s' %
(slave['id'], i, res))
slave_redis.disconnect()
def elect_master_randomly(self):
# set data
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway('0')
gw.connect(ip, port)
for i in range(0, 1000):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to gw(%s:%d). cmd:%s, res:%s' %
(ip, port, cmd[:-2], res[:-2]))
server_ids = []
for server in self.cluster['servers']:
server_ids.append(server['id'])
for try_cnt in range(30):
# get master, slave1, slave2
m, s1, s2 = util.get_mss(self.cluster)
self.assertNotEqual(m, None, 'master is None.')
self.assertNotEqual(s1, None, 'slave1 is None.')
self.assertNotEqual(s2, None, 'slave2 is None.')
util.log('master id : %d' % m['id'])
if try_cnt != 0:
if m['id'] in server_ids:
server_ids.remove(m['id'])
smr = smr_mgmt.SMR(m['id'])
ret = smr.connect(m['ip'], m['smr_mgmt_port'])
self.assertEqual(
ret, 0, 'failed to connect to master. %s:%d' %
(m['ip'], m['smr_mgmt_port']))
cmd = 'role lconn\r\n'
smr.write(cmd)
reply = smr.read_until('\r\n')
self.assertEqual(
reply, '+OK\r\n',
'failed : cmd="%s", reply="%s"' % (cmd[:-2], reply[:-2]))
util.log('succeeded : cmd="%s", reply="%s"' %
(cmd[:-2], reply[:-2]))
# wait until role-change is finished
for role_change_try_cnt in range(5):
count_master = 0
count_slave = 0
for server in self.cluster['servers']:
real_role = util.get_role_of_server(server)
real_role = util.roleNumberToChar(real_role)
if real_role == 'M':
count_master = count_master + 1
elif real_role == 'S':
count_slave = count_slave + 1
if count_master == 1 and count_slave == 2:
break
time.sleep(1)
# check the number of master and slave
self.assertEqual(
count_master, 1,
'failed : the number of master is not 1, count_master=%d, count_slave=%d'
% (count_master, count_slave))
self.assertEqual(
count_slave, 2,
'failed : the number of slave is not 2, count_master=%d, count_slave=%d'
% (count_master, count_slave))
util.log(
'succeeded : the number of master is 1 and the number of slave is 2'
)
# check states of all pgs in pg
for try_cnt in range(3):
ok = True
for s in self.cluster['servers']:
real_role = util.get_role_of_server(s)
real_role = util.roleNumberToChar(real_role)
smr_info = util.get_smr_info(s, self.leader_cm)
cc_role = smr_info['smr_Role']
cc_hb = smr_info['hb']
if cc_hb != 'Y':
ok = False
if real_role != cc_role:
ok = False
if ok:
util.log(
'succeeded : a role of real pgs is the same with a role in cc, id=%d, real=%s, cc=%s, hb=%s'
% (s['id'], real_role, cc_role, cc_hb))
else:
util.log(
'\n\n**********************************************************\n\nretry: a role of real pgs is not the same with a role in cc, id=%d, real=%s, cc=%s, hb=%s'
% (s['id'], real_role, cc_role, cc_hb))
if ok == False:
time.sleep(0.5)
else:
break
self.assertTrue(ok, 'failed : role check')
if len(server_ids) == 0:
util.log('succeeded : all smrs have been as a master')
return 0
self.assertEqual(
0, len(server_ids), 'failed : remains server ids=[%s]' %
(','.join('%d' % id for id in server_ids)))
return 0
def test_5_transfer_pgs_to_another_machine(self):
util.print_frame()
self.load_gen_list = {}
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# incrase master generation number
util.log('failover in order to increase master generation number.')
max = 0
for i in range(5):
key_base = 'key'
for i in range(max, max + 10000):
cmd = 'set %s%d %d\r\n' % (key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
max = max + 10000
m = util.get_server_by_role(self.cluster['servers'], 'master')
util.log('failover pgs%d' % m['id'])
ret = util.failover(m, self.leader_cm)
self.assertTrue(ret, 'failed to failover pgs%d' % m['id'])
# start load generator
util.log("start load_generator")
for i in range(self.max_load_generator):
ip, port = util.get_rand_gateway(self.cluster)
self.load_gen_list[i] = load_generator.LoadGenerator(i, ip, port)
self.load_gen_list[i].start()
time.sleep(5) # generate load for 5 sec
util.log("started load_generator")
m, s1, s2 = util.get_mss(self.cluster)
servers = [m, s1, s2]
# bgsave
for s in servers:
ret = util.bgsave(s)
self.assertTrue(ret, 'failed to bgsave. pgs%d' % s['id'])
new_servers = [config.server4, config.server5]
# add new slaves
for s in new_servers:
util.log('delete pgs%d`s check point.' % s['id'])
util.del_dumprdb(s['id'])
ret = util.cluster_util_getdump(s['id'], m['ip'], m['redis_port'],
'dump.rdb', 0, 8191)
self.assertEqual(
True, ret,
'failed : util.cluster_util_getdump returns false, src=%s:%d dest_pgsid=%d'
% (m['ip'], m['redis_port'], s['id']))
ret = util.pgs_add(self.cluster,
s,
self.leader_cm,
0,
rm_ckpt=False)
self.assertEqual(
True, ret,
'failed : util.pgs_add returns false, pgsid=%d' % s['id'])
util.log('succeeeded : add a new slave, pgsid=%d' % s['id'])
# check consistency
ok = True
for j in range(self.max_load_generator):
if self.load_gen_list[j].isConsistent() == False:
ok = False
break
if not ok:
break
for server_to_del in servers:
for s in servers:
util.pingpong(s['ip'], s['smr_mgmt_port'])
for s in new_servers:
util.pingpong(s['ip'], s['smr_mgmt_port'])
self.__del_server(server_to_del)
util.log('succeeded : delete pgs%d' % server_to_del['id'])
new_m = util.get_server_by_role(new_servers, 'master')
new_s = util.get_server_by_role(new_servers, 'slave')
self.assertNotEqual(new_m, None, 'master is None.')
self.assertNotEqual(new_s, None, 'slave is None.')
for s in new_servers:
util.pingpong(s['ip'], s['smr_mgmt_port'])
time.sleep(5) # generate load for 5 sec
# check consistency of load_generator
for i in range(self.max_load_generator):
self.load_gen_list[i].quit()
for i in range(self.max_load_generator):
self.load_gen_list[i].join()
self.assertTrue(self.load_gen_list[i].isConsistent(),
'Inconsistent after migration')
self.load_gen_list.pop(i, None)
def pgs_add_and_del(self, upgrade_server, type):
util.print_frame()
util.log('[start] add and del pgs%d. type:%s' %
(upgrade_server['id'], type))
util.log_server_state(self.cluster)
# start load generator
load_gen_list = {}
for i in range(len(self.cluster['servers'])):
server = self.cluster['servers'][i]
load_gen = load_generator.LoadGenerator(server['id'], server['ip'],
server['gateway_port'])
load_gen.start()
load_gen_list[i] = load_gen
# detach pgs from cluster
cmd = 'pgs_leave %s %d\r\n' % (upgrade_server['cluster_name'],
upgrade_server['id'])
ret = util.cm_command(self.leader_cm['ip'], self.leader_cm['cm_port'],
cmd)
jobj = json.loads(ret)
self.assertEqual(
jobj['msg'], '+OK',
'failed : cmd="%s", reply="%s"' % (cmd[:-2], ret[:-2]))
util.log('succeeded : cmd="%s", reply="%s"' % (cmd[:-2], ret[:-2]))
# set new values
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway('0')
gw.connect(ip, port)
for i in range(0, 50):
cmd = 'set %s%d %d\r\n' % (self.key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEqual(
res, '+OK\r\n',
'failed to set values to gw(%s:%d). cmd:%s, res:%s' %
(ip, port, cmd[:-2], res[:-2]))
# attach pgs to cluster
cmd = 'pgs_join %s %d\r\n' % (upgrade_server['cluster_name'],
upgrade_server['id'])
ret = util.cm_command(self.leader_cm['ip'], self.leader_cm['cm_port'],
cmd)
jobj = json.loads(ret)
self.assertEqual(jobj['msg'], '+OK',
'failed : cmd="%s", reply="%s"' % (cmd[:-2], ret))
util.log('succeeded : cmd="%s", reply="%s"' % (cmd[:-2], ret[:-2]))
time.sleep(3)
stable = False
for i in xrange(20):
stable = util.check_cluster(self.cluster['cluster_name'],
self.leader_cm['ip'],
self.leader_cm['cm_port'])
if stable:
break
time.sleep(0.5)
self.assertTrue(stable, 'Unstable cluster')
# check new values
redis = redis_mgmt.Redis(upgrade_server['id'])
ret = redis.connect(upgrade_server['ip'], upgrade_server['redis_port'])
self.assertEquals(
ret, 0, 'failed : connect to smr%d(%s:%d)' %
(upgrade_server['id'], upgrade_server['ip'],
upgrade_server['redis_port']))
for i in range(0, 50):
cmd = 'get %s%d\r\n' % (self.key_base, i)
redis.write(cmd)
redis.read_until('\r\n')
res = redis.read_until('\r\n')
self.assertEqual(
res, '%d\r\n' % i,
'failed to get values from redis%d. %s != %d' %
(upgrade_server['id'], res, i))
util.log('succeeded : check values with get operations on pgs%d.' %
(upgrade_server['id']))
# shutdown load generators
for i in range(len(load_gen_list)):
load_gen_list[i].quit()
load_gen_list[i].join()
util.log_server_state(self.cluster)
return 0
def recovery_with_local_checkpoint_and_remote_log( self, role ):
server = util.get_server_by_role( self.cluster['servers'], role )
# set initial data in order to make an elapsed time for bgsave longer
self.put_some_data()
# set value
ip, port = util.get_rand_gateway( self.cluster )
gw = gateway_mgmt.Gateway( server['id'] )
ret = gw.connect( ip, port )
self.assertEqual( ret, 0, 'failed to connect to gateway, id:%d' % server['id'] )
timestamp = {}
key_base = 'key0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999'
for i in range (0, 50000):
timestamp[i] = time.time()
k = '%s_%d' % (key_base, i)
cmd = 'set %s %f\r\n' % (k, timestamp[i])
gw.write( cmd )
response = gw.read_until( '\r\n' )
self.assertNotEqual( response.find( '+OK' ), -1, 'failed to set key value through gateway' )
# generate a check point
bgsave_ret = util.bgsave( server )
self.assertTrue( bgsave_ret, 'failed to bgsave. pgs%d' % server['id'] )
# shutdown
ret = testbase.request_to_shutdown_smr( server )
self.assertEqual( ret, 0, 'failed to shutdown smr' )
ret = testbase.request_to_shutdown_redis( server )
self.assertEqual( ret, 0, 'failed to shutdown redis' )
util.log('succeeded : shutdown pgs%d' % (server['id']))
# delete smr_logs
ret = util.delete_smr_logs( server['id'] )
self.assertEqual( ret, 0, 'failed to delete smr log, id:%d' % server['id'] )
util.log('succeeded : delete replication logs')
time.sleep( 5 )
# set value
ret = gw.connect( ip, port )
self.assertEqual( ret, 0, 'failed to connect to gateway' )
for i in range (50000, 100000):
timestamp[i] = time.time()
k = '%s_%d' % (key_base, i)
cmd = 'set %s %f\r\n' % (k, timestamp[i])
gw.write( cmd )
response = gw.read_until( '\r\n' )
self.assertNotEqual( response.find( '+OK' ), -1, 'failed to set key value through gateway' )
# recovery
ret = testbase.request_to_start_smr( server )
self.assertEqual( ret, 0, 'failed to start smr' )
ret = testbase.request_to_start_redis( server )
self.assertEqual( ret, 0, 'failed to start redis' )
time.sleep( 5 )
ret = testbase.wait_until_finished_to_set_up_role( server )
self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )
util.log('succeeded : recover pgs%d' % server['id'])
# check value
recovered_redis = redis_mgmt.Redis( server['id'] )
ret = recovered_redis .connect( server['ip'], server['redis_port'] )
self.assertEquals( ret, 0, 'failed to connect to redis' )
for i in range (0, 100000):
k = '%s_%d' % (key_base, i)
cmd = 'get %s\r\n' % (k)
recovered_redis .write( cmd )
recovered_redis.read_until( '\r\n' )
response = recovered_redis.read_until( '\r\n' )
self.assertEqual( response, '%f\r\n' % (timestamp[i]), 'inconsistent %s, %f' % (response, timestamp[i]) )
def test_restart_recovery_with_remote_checkpoint_and_remote_log( self ):
util.print_frame()
key_base = 'key'
target = util.get_server_by_role( self.cluster['servers'], 'slave' )
master = util.get_server_by_role( self.cluster['servers'], 'master' )
ip, port = util.get_rand_gateway( self.cluster )
gw = gateway_mgmt.Gateway( master['id'] )
ret = gw.connect( ip, port )
self.assertEqual( ret, 0, 'failed to connect to gateway' )
# set initial data in order to make an elapsed time for bgsave longer
self.put_some_data()
# generate some data
for i in range( 0, 100 ):
key = '%s%d' % (key_base, i)
cmd = 'set %s %d\r\n' % (key, i)
gw.write( cmd )
res = gw.read_until( '\r\n' )
self.assertEquals( res, '+OK\r\n' )
gw.disconnect()
# delete a local checkpoint
util.log('delete pgs%d`s check point.' % target['id'])
util.del_dumprdb( target['id'] )
# generate a remote check point
bgsave_ret = util.bgsave( master )
self.assertTrue( bgsave_ret, 'failed to bgsave. pgs%d' % master['id'] )
# shutdown
util.log('shutdown target')
ret = testbase.request_to_shutdown_smr( target )
self.assertEqual( ret, 0, 'failed to shutdown smr' )
time.sleep( 10 )
# generate some data
ret = gw.connect( ip, port )
self.assertEqual( ret, 0, 'failed to connect to gateway' )
for i in range( 100, 200 ):
key = '%s%d' % (key_base, i)
cmd = 'set %s %d\r\n' % (key, i)
gw.write( cmd )
res = gw.read_until( '\r\n' )
self.assertEquals( res, '+OK\r\n' )
gw.disconnect()
# recovery
util.log('recovery target')
ret = testbase.request_to_start_smr( target )
self.assertEqual( ret, 0, 'failed to start smr' )
ret = testbase.request_to_start_redis( target )
self.assertEqual( ret, 0, 'failed to start redis' )
time.sleep( 5 )
ret = testbase.wait_until_finished_to_set_up_role( target)
self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (target['id']) )
# check value
recovered_redis = redis_mgmt.Redis( target['id'] )
ret = recovered_redis .connect( target['ip'], target['redis_port'] )
self.assertEquals( ret, 0, 'failed to connect to redis' )
for i in range (0, 200):
key = '%s%d' % (key_base, i)
cmd = 'get %s\r\n' % (key)
recovered_redis .write( cmd )
recovered_redis.read_until( '\r\n' )
response = recovered_redis.read_until( '\r\n' )
self.assertEqual( response, '%d\r\n' % i, 'inconsistent %s, %d' % (response, i) )
def failure_recovery(self, role, wait_count=10, redis_only=False):
time.sleep(2)
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# set value
key = 'new_key_haha'
cmd = 'set %s 12345\r\n' % (key)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
# shutdown
server = util.get_server_by_role(self.cluster['servers'], role)
if redis_only == False:
ret = testbase.request_to_shutdown_smr(server)
self.assertEqual(ret, 0, 'failed to shutdown smr')
ret = testbase.request_to_shutdown_redis(server)
self.assertEquals(ret, 0, 'failed to shutdown redis')
# check state F
max_try = 20
expected = 'F'
for i in range(0, max_try):
state = util.get_smr_state(server, self.leader_cm)
if expected == state:
break
time.sleep(1)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s' %
(server['id'], state, expected))
# set value
check_value = '54321'
cmd = 'set %s %s\r\n' % (key, check_value)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
gw.disconnect()
# recovery
if redis_only == False:
ret = testbase.request_to_start_smr(server)
self.assertEqual(ret, 0, 'failed to start smr')
ret = testbase.request_to_start_redis(server)
self.assertEqual(ret, 0, 'failed to start redis')
ret = testbase.wait_until_finished_to_set_up_role(server, wait_count)
self.assertEquals(ret, 0,
'failed to role change. smr_id:%d' % (server['id']))
redis = redis_mgmt.Redis(server['id'])
ret = redis.connect(server['ip'], server['redis_port'])
self.assertEquals(ret, 0, 'failed to connect to redis')
# check state N
max_try = 20
expected = 'N'
for i in range(0, max_try):
state = util.get_smr_state(server, self.leader_cm)
if expected == state:
break
time.sleep(1)
role = util.get_role_of_server(server)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s, role:%s' %
(server['id'], state, expected, role))
# check value
cmd = 'get %s\r\n' % (key)
redis.write(cmd)
redis.read_until('\r\n')
response = redis.read_until('\r\n')
self.assertEqual(response, '%s\r\n' % (check_value),
'inconsistent %s, %s' % (response, check_value))
def deprecated_test_5_PGS_commit_is_greater_than_PG_commit(self):
util.print_frame()
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# initial data
util.put_some_data(self.cluster)
master, s1, s2 = util.get_mss(self.cluster)
server_to_join = [s1, s2]
# shutdown slaves
for i in range(0, 2):
ret = testbase.request_to_shutdown_smr(server_to_join[i])
self.assertEqual(
ret, 0, 'failed to shutdown smr%d' % server_to_join[i]['id'])
util.log('succeeded to shutdown smr%d' % server_to_join[i]['id'])
ret = testbase.request_to_shutdown_redis(server_to_join[i])
self.assertEquals(ret, 0, 'failed to shutdown redis')
util.log('succeeded to shutdown redis%d' % server_to_join[i]['id'])
# check state F
max_try = 20
expected = 'F'
for j in range(0, max_try):
state = util.get_smr_state(server_to_join[i], self.leader_cm)
if expected == state:
break
time.sleep(1)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s' %
(server_to_join[i]['id'], state, expected))
# put more data
util.put_some_data(self.cluster, 10, 256)
# bgsave
ret = util.bgsave(master)
self.assertTrue(ret, 'failed to bgsave. pgs%d' % master['id'])
# shutdown master
ret = testbase.request_to_shutdown_smr(master)
self.assertEqual(ret, 0, 'failed to shutdown smr')
util.log('succeeded to shutdown master smr, id=%d' % master['id'])
ret = testbase.request_to_shutdown_redis(master)
self.assertEquals(ret, 0, 'failed to shutdown redis')
util.log('succeeded to shutdown master redis, id=%d' % master['id'])
# check state F
max_try = 20
expected = 'F'
for i in range(0, max_try):
state = util.get_smr_state(master, self.leader_cm)
if expected == state:
break
time.sleep(1)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s' %
(master['id'], state, expected))
# recovery slaves
for i in range(0, 2):
ret = testbase.request_to_start_smr(server_to_join[i])
self.assertEqual(ret, 0, 'failed to start smr')
ret = testbase.request_to_start_redis(server_to_join[i])
self.assertEqual(ret, 0, 'failed to start redis')
ret = testbase.wait_until_finished_to_set_up_role(
server_to_join[i], 10)
self.assertEquals(
ret, 0,
'failed to role change. smr_id:%d' % (server_to_join[i]['id']))
# check state N
max_try = 20
expected = 'N'
for j in range(0, max_try):
state = util.get_smr_state(server_to_join[i], self.leader_cm)
if expected == state:
break
time.sleep(1)
role = util.get_role_of_server(server_to_join[i])
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s, role:%s' %
(server_to_join[i]['id'], state, expected, role))
# set value
s = random.choice(server_to_join)
redis = redis_mgmt.Redis(['id'])
ret = redis.connect(s['ip'], s['redis_port'])
self.assertEquals(ret, 0, 'failed to connect to redis')
key_base = 'key_test'
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (key_base, i, i)
redis.write(cmd)
res = redis.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
redis.disconnect()
for i in range(0, 2):
redis = redis_mgmt.Redis(server_to_join[i]['id'])
ret = redis.connect(server_to_join[i]['ip'],
server_to_join[i]['redis_port'])
self.assertEquals(ret, 0, 'failed to connect to redis')
# check value
for j in range(0, 10000):
cmd = 'get %s%d\r\n' % (key_base, j)
redis.write(cmd)
redis.read_until('\r\n')
response = redis.read_until('\r\n')
self.assertEqual(response, '%d\r\n' % (j),
'inconsistent %s, %d' % (response[:-2], j))
# try to recover master, but failed
ret = testbase.request_to_start_smr(master)
self.assertEqual(ret, 0, 'failed to start smr')
ret = testbase.request_to_start_redis(master, False)
self.assertEqual(ret, 0, 'failed to start redis')
max_try = 3
expected = 'N'
for i in range(0, max_try):
state = util.get_smr_state(master, self.leader_cm)
if expected == state:
break
time.sleep(1)
role = util.get_role_of_server(master)
self.assertNotEqual(
expected, state, 'server%d - state:%s, expected:not %s, role:%s' %
(master['id'], state, expected, role))
util.log(
'success : the old master that has a greater commit-seq than the current master tried to join as a slave, but it is blocked successfully.'
)
gw.disconnect()
return 0
def test_4_PGS_mgen_is_less_than_PG_mgen(self):
util.print_frame()
# get gateway info
ip, port = util.get_rand_gateway(self.cluster)
gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
ret = gw.connect(ip, port)
self.assertEqual(ret, 0,
'failed to connect to gateway, %s:%d' % (ip, port))
# initial data
util.put_some_data(self.cluster)
# shutdown
server_to_join = util.get_server_by_role(self.cluster['servers'],
'master')
ret = testbase.request_to_shutdown_smr(server_to_join)
self.assertEqual(ret, 0, 'failed to shutdown smr')
ret = testbase.request_to_shutdown_redis(server_to_join)
self.assertEquals(ret, 0, 'failed to shutdown redis')
# check state F
max_try = 20
expected = 'F'
for i in range(0, max_try):
state = util.get_smr_state(server_to_join, self.leader_cm)
if expected == state:
break
time.sleep(1)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s' %
(server_to_join['id'], state, expected))
# set value
key_base = 'mw'
for i in range(0, 10000):
cmd = 'set %s%d %d\r\n' % (key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
# master failover 1 (master generation + 1)
util.log('master failover 1')
server = util.get_server_by_role(self.cluster['servers'], 'master')
self.failover(server)
# check quorum (copy:3, quorum:1, available:2)
ok = False
for i in xrange(10):
ok = util.check_quorum(self.cluster['cluster_name'],
self.leader_cm['ip'],
self.leader_cm['cm_port'])
if ok:
break
else:
time.sleep(1)
self.assertTrue(ok, 'Check quorum fail.')
# master failover 2 (master generation + 1)
util.log('master failover 2')
server = util.get_server_by_role(self.cluster['servers'], 'master')
self.failover(server)
# recovery
util.log('master recovery start.')
ret = testbase.request_to_start_smr(server_to_join)
self.assertEqual(ret, 0, 'failed to start smr')
ret = testbase.request_to_start_redis(server_to_join)
self.assertEqual(ret, 0, 'failed to start redis')
ret = testbase.wait_until_finished_to_set_up_role(server_to_join, 10)
self.assertEquals(
ret, 0,
'failed to role change. smr_id:%d' % (server_to_join['id']))
util.log('master recovery end successfully.')
# check state N
max_try = 20
expected = 'N'
for i in range(0, max_try):
state = util.get_smr_state(server, self.leader_cm)
if expected == state:
break
time.sleep(1)
role = util.get_role_of_server(server)
self.assertEquals(
expected, state, 'server%d - state:%s, expected:%s, role:%s' %
(server['id'], state, expected, role))
time.sleep(5)
# set value
for i in range(10000, 20000):
cmd = 'set %s%d %d\r\n' % (key_base, i, i)
gw.write(cmd)
res = gw.read_until('\r\n')
self.assertEquals(res, '+OK\r\n')
server = util.get_server_by_role(self.cluster['servers'], 'master')
redis = redis_mgmt.Redis(server_to_join['id'])
ret = redis.connect(server_to_join['ip'], server_to_join['redis_port'])
self.assertEquals(ret, 0, 'failed to connect to redis')
# check value
for i in range(0, 20000):
cmd = 'get %s%d\r\n' % (key_base, i)
redis.write(cmd)
redis.read_until('\r\n')
response = redis.read_until('\r\n')
self.assertEqual(response, '%d\r\n' % (i),
'inconsistent %s, %d' % (response[:-2], i))
gw.disconnect()
return 0
