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
|
/*
* 1: initialize set
* 2: step down m1
* 3: freeze set for 30 seconds
* 4: check no one is master for 30 seconds
* 5: check for new master
* 6: step down new master
* 7: freeze for 30 seconds
* 8: unfreeze
* 9: check we get a new master within 30 seconds
*/
var w = 0;
var wait = function(f) {
w++;
var n = 0;
while (!f()) {
if( n % 4 == 0 )
print("toostale.js waiting " + w);
if (++n == 4) {
print("" + f);
}
assert(n < 200, 'tried 200 times, giving up');
sleep(1000);
}
}
var reconnect = function(a) {
wait(function() {
try {
a.getDB("foo").bar.stats();
return true;
} catch(e) {
print(e);
return false;
}
});
};
print("1: initialize set");
var replTest = new ReplSetTest( {name: 'unicomplex', nodes: 3} );
var nodes = replTest.nodeList();
var conns = replTest.startSet();
var config = {"_id" : "unicomplex", "members" : [
{"_id" : 0, "host" : nodes[0] },
{"_id" : 1, "host" : nodes[1] },
{"_id" : 2, "host" : nodes[2], "arbiterOnly" : true}]};
var r = replTest.initiate(config);
var master = replTest.getMaster();
print("2: step down m1");
try {
master.getDB("admin").runCommand({replSetStepDown : 1});
}
catch(e) {
print(e);
}
reconnect(master);
print("3: freeze set for 30 seconds");
master.getDB("admin").runCommand({replSetFreeze : 30});
print("4: check no one is master for 30 seconds");
var start = (new Date()).getTime();
while ((new Date()).getTime() - start < 30000) {
var result = master.getDB("admin").runCommand({isMaster:1});
assert.eq(result.ismaster, false);
assert.eq(result.primary, undefined);
sleep(1000);
}
print("5: check for new master");
master = replTest.getMaster();
print("6: step down new master");
try {
master.getDB("admin").runCommand({replSetStepDown : 1});
}
catch(e) {
print(e);
}
reconnect(master);
print("7: freeze for 30 seconds");
master.getDB("admin").runCommand({replSetFreeze : 30});
sleep(1000);
print("8: unfreeze");
master.getDB("admin").runCommand({replSetFreeze : 0});
print("9: check we get a new master within 30 seconds");
master = replTest.getMaster();
replTest.stopSet( 15 );
|
