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.install_pgs(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)
# Go back to initial configuration
# recover pgs
for s in servers:
self.assertTrue(
util.install_pgs(self.cluster,
s,
self.leader_cm,
rm_ckpt=False),
'failed to recover pgs. (install_pgs)')
# cleanup new slaves
for s in new_servers:
self.assertTrue(
util.uninstall_pgs(self.cluster, s, self.leader_cm),
'failed to cleanup pgs. (uninstall_pgs)')
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 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 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) )
