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kelvichkelvich
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handle keyboard interrupt
1 parent cbdb2d1 commit baa49c5

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3 files changed

+97
-47
lines changed

3 files changed

+97
-47
lines changed

‎contrib/mmts/tests2/docker-entrypoint.sh‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -73,6 +73,8 @@ if [ "$1" = 'postgres' ]; then
7373
max_replication_slots = 10
7474
max_wal_senders = 10
7575
shared_preload_libraries = 'raftable,multimaster'
76+
log_checkpoints = on
77+
log_autovacuum_min_duration = 0
7678
7779
raftable.id = $NODE_ID
7880
raftable.peers = '$RAFT_PEERS'

‎contrib/mmts/tests2/lib/bank_client.py‎

Lines changed: 47 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,8 @@
44
import time
55
import sys
66
from event_history import *
7+
import select
8+
import signal
79

810
class ClientCollection(object):
911
def __init__(self, connstrs):
@@ -30,17 +32,29 @@ def stop(self):
3032
for client in self._clients:
3133
client.stop()
3234

35+
def set_acc_to_tx(self, max_acc):
36+
for client in self._clients:
37+
client.set_acc_to_tx(max_acc)
38+
3339

3440
class BankClient(object):
3541

36-
def __init__(self, connstr, node_id):
42+
def __init__(self, connstr, node_id, accounts = 10000):
3743
self.connstr = connstr
3844
self.node_id = node_id
3945
self.run = Value('b', True)
4046
self._history = EventHistory()
41-
self.accounts = 10000
47+
self.accounts = accounts
48+
self.accounts_to_tx = accounts
4249
self.show_errors = True
4350

51+
#x = self
52+
#def on_sigint(sig, frame):
53+
# x.stop()
54+
#
55+
#signal.signal(signal.SIGINT, on_sigint)
56+
57+
4458
def initialize(self):
4559
conn = psycopg2.connect(self.connstr)
4660
cur = conn.cursor()
@@ -57,6 +71,22 @@ def initialize(self):
5771
cur.close()
5872
conn.close()
5973

74+
def aconn(self):
75+
return psycopg2.connect(self.connstr, async=1)
76+
77+
@classmethod
78+
def wait(cls, conn):
79+
while 1:
80+
state = conn.poll()
81+
if state == psycopg2.extensions.POLL_OK:
82+
break
83+
elif state == psycopg2.extensions.POLL_WRITE:
84+
select.select([], [conn.fileno()], [])
85+
elif state == psycopg2.extensions.POLL_READ:
86+
select.select([conn.fileno()], [], [])
87+
else:
88+
raise psycopg2.OperationalError("poll() returned %s" % state)
89+
6090
@property
6191
def history(self):
6292
return self._history
@@ -74,25 +104,16 @@ def exec_tx(self, name, tx_block):
74104

75105
if conn.closed:
76106
self.history.register_finish(event_id, 'ReConnect')
77-
try :
78-
conn = psycopg2.connect(self.connstr)
79-
cur = conn.cursor()
80-
except :
81-
continue
82-
else :
83-
continue
107+
conn = psycopg2.connect(self.connstr)
108+
cur = conn.cursor()
84109

85110
try:
86-
tx_block(conn, cur)
111+
tx_block(conn, cur)
112+
self.history.register_finish(event_id, 'Commit')
87113
except psycopg2.InterfaceError:
88114
self.history.register_finish(event_id, 'InterfaceError')
89115
except psycopg2.Error:
90116
self.history.register_finish(event_id, 'PsycopgError')
91-
except :
92-
print(sys.exc_info())
93-
self.history.register_finish(event_id, 'OtherError')
94-
else :
95-
self.history.register_finish(event_id, 'Commit')
96117

97118
cur.close()
98119
conn.close()
@@ -103,17 +124,20 @@ def tx(conn, cur):
103124
cur.execute('select sum(amount) from bank_test')
104125
res = cur.fetchone()
105126
if res[0] != 0:
106-
print("Isolation error, total = %d" % (res[0],))
127+
print("Isolation error, total = %d, node = %d" % (res[0],self.node_id))
107128
raise BaseException
108129

109130
self.exec_tx('total', tx)
110131

132+
def set_acc_to_tx(self, max_acc):
133+
self.accounts_to_tx = max_acc
134+
111135
def transfer_money(self):
112136

113137
def tx(conn, cur):
114138
amount = 1
115-
from_uid = random.randrange(1, self.accounts - 10)
116-
to_uid = from_uid + 1 #random.randrange(1, self.accounts + 1)
139+
from_uid = random.randrange(1, self.accounts_to_tx - 1)
140+
to_uid = random.randrange(1, self.accounts_to_tx - 1)
117141

118142
conn.commit()
119143
cur.execute('''update bank_test
@@ -129,7 +153,10 @@ def tx(conn, cur):
129153
self.exec_tx('transfer', tx)
130154

131155
def start(self):
132-
self.transfer_process = Process(target=self.transfer_money, args=())
156+
print('Starting client');
157+
self.run.value = True
158+
159+
self.transfer_process = Process(target=self.transfer_money, name="txor", args=())
133160
self.transfer_process.start()
134161

135162
self.total_process = Process(target=self.check_total, args=())
@@ -138,7 +165,7 @@ def start(self):
138165
return
139166

140167
def stop(self):
141-
print('Stopping!');
168+
print('Stopping client');
142169
self.run.value = False
143170
self.total_process.terminate()
144171
self.transfer_process.terminate()

‎contrib/mmts/tests2/test_recovery.py‎

Lines changed: 48 additions & 27 deletions
Original file line numberDiff line numberDiff line change
@@ -4,59 +4,80 @@
44
from lib.bank_client import *
55

66
class RecoveryTest(unittest.TestCase):
7-
def setUp(self):
7+
@classmethod
8+
def setUpClass(self):
89
#subprocess.check_call(['blockade','up'])
910
self.clients = ClientCollection([
1011
"dbname=postgres host=127.0.0.1 user=postgres",
1112
"dbname=postgres host=127.0.0.1 user=postgres port=5433",
1213
"dbname=postgres host=127.0.0.1 user=postgres port=5434"
1314
])
14-
self.clients.start()
1515

16-
def tearDown(self):
16+
@classmethod
17+
def tearDownClass(self):
1718
print('tearDown')
19+
#subprocess.check_call(['blockade','join'])
20+
21+
# in case of error
1822
self.clients.stop()
19-
self.clients[0].cleanup()
20-
subprocess.check_call(['blockade','join'])
23+
#self.clients[0].cleanup()
2124

22-
# def test_0_normal_operation(self):
23-
# print('### normalOpsTest ###')
24-
# print('Waiting 5s to check operability')
25-
# time.sleep(5)
26-
#
27-
# for client in self.clients:
28-
# agg = client.history.aggregate()
29-
# print(agg)
30-
# self.assertTrue(agg['transfer']['finish']['Commit'] > 0)
31-
32-
def test_1_node_disconnect(self):
33-
print('### disconnectTest ###')
3425

35-
subprocess.check_call(['blockade','partition','node3'])
36-
print('Node3 disconnected')
26+
def test_0_normal_operation(self):
27+
print('### normalOpsTest ###')
3728

38-
print('Waiting 15s to discover failure')
29+
self.clients.set_acc_to_tx(10000)
30+
self.clients.start()
3931

4032
for i in range(5):
4133
time.sleep(3)
4234
for client in self.clients:
4335
agg = client.history.aggregate()
4436
print(agg)
45-
print(" ")
37+
self.assertTrue(agg['transfer']['finish']['Commit'] > 0)
38+
print("\n")
39+
40+
self.clients.stop()
41+
42+
def test_1_distributed_deadlock(self):
43+
print('### DDD test ###')
4644

47-
# subprocess.check_call(['blockade','join'])
45+
self.clients.set_acc_to_tx(10)
46+
self.clients.start()
4847

49-
print('Waiting 15s to join node')
50-
for i in range(1000):
48+
for i in range(5):
5149
time.sleep(3)
5250
for client in self.clients:
5351
agg = client.history.aggregate()
5452
print(agg)
55-
print(" ")
53+
self.assertTrue(agg['transfer']['finish']['Commit'] > 0)
54+
print("\n")
5655

56+
self.clients.stop()
5757

58-
if __name__ == '__main__':
59-
unittest.main()
58+
def test_2_node_disconnect(self):
59+
print('### disconnectTest ###')
6060

61+
self.clients.set_acc_to_tx(10000)
62+
self.clients.start()
63+
64+
subprocess.check_call(['blockade','partition','node3'])
65+
print('Node3 disconnected')
66+
67+
# give cluster some time to discover problem
68+
time.sleep(3)
69+
70+
for i in range(5):
71+
time.sleep(3)
72+
for client in self.clients:
73+
agg = client.history.aggregate()
74+
print(agg)
75+
self.assertTrue(agg['transfer']['finish']['Commit'] > 0)
76+
print("\n")
77+
78+
subprocess.check_call(['blockade','join'])
79+
self.clients.stop()
6180

81+
if __name__ == '__main__':
82+
unittest.main()
6283

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