1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
import tests.pgautofailover_utils as pgautofailover
import time
from nose.tools import eq_
cluster = None
monitor = None
node1 = None
node2 = None
newmonitor = None
def setup_module():
global cluster
cluster = pgautofailover.Cluster()
def teardown_module():
cluster.destroy()
def test_000_create_monitor():
global monitor
monitor = cluster.create_monitor("/tmp/replace/monitor")
monitor.run()
def test_001_init_primary():
global node1
node1 = cluster.create_datanode("/tmp/replace/node1")
node1.create(run=True)
assert node1.wait_until_state(target_state="single")
def test_002_create_t1():
node1.run_sql_query("CREATE TABLE t1(a int)")
node1.run_sql_query("INSERT INTO t1 VALUES (1), (2)")
def test_003_init_secondary():
global node2
node2 = cluster.create_datanode("/tmp/replace/node2")
node2.create(run=True)
assert node2.wait_until_state(target_state="secondary")
assert node1.wait_until_state(target_state="primary")
def test_004_read_from_secondary():
results = node2.run_sql_query("SELECT * FROM t1")
assert results == [(1,), (2,)]
def test_005_drop_monitor():
monitor.destroy()
cluster.monitor = None
def test_006a_disable_monitor_node2():
node2.disable_monitor()
def test_006b_disable_monitor_node1():
node1.disable_monitor()
def test_006c_write_to_primary():
node1.run_sql_query("INSERT INTO t1 VALUES (3)")
def test_007_read_from_secondary():
results = node2.run_sql_query("SELECT * FROM t1 ORDER BY a")
assert results == [(1,), (2,), (3,)]
def test_008_create_new_monitor():
global newmonitor
newmonitor = cluster.create_monitor("/tmp/replace/newmonitor")
newmonitor.run()
def test_009a_enable_monitor_node1():
node1.enable_monitor(newmonitor)
assert node1.wait_until_state(target_state="single")
def test_009b_enable_monitor_node2():
node2.enable_monitor(newmonitor)
assert node2.wait_until_state(target_state="catchingup")
assert node1.wait_until_state(target_state="wait_primary")
def test_010_wait_until_state():
assert node1.wait_until_state(target_state="primary")
assert node2.wait_until_state(target_state="secondary")
def test_011_failover():
print()
print("Calling pgautofailover.failover() on the monitor")
newmonitor.failover()
assert node2.wait_until_state(target_state="primary")
eq_(
node2.get_synchronous_standby_names_local(),
"ANY 1 (pgautofailover_standby_1)",
)
assert node1.wait_until_state(target_state="secondary")
def test_012_read_from_secondary():
results = node1.run_sql_query("SELECT * FROM t1 ORDER BY a")
assert results == [(1,), (2,), (3,)]
|
