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
|
(function() {
'use strict';
var s = new ShardingTest({shards: 2});
assert.commandWorked(s.getDB('test1').runCommand({dropDatabase: 1}));
var db = s.getDB('test1');
var c = db.foo;
c.save({a: 1});
c.save({a: 2});
c.save({a: 3});
assert.eq(3, c.count());
assert.commandWorked(
db.runCommand({create: "view", viewOn: "foo", pipeline: [{$match: {a: 3}}]}));
var fromShard = s.getPrimaryShard('test1');
var toShard = s.getOther(fromShard);
assert.eq(3, fromShard.getDB("test1").foo.count(), "from doesn't have data before move");
assert.eq(0, toShard.getDB("test1").foo.count(), "to has data before move");
assert.eq(1, s.s.getDB("test1").view.count(), "count on view incorrect before move");
s.printShardingStatus();
assert.eq(s.normalize(s.config.databases.findOne({_id: "test1"}).primary),
s.normalize(fromShard.name),
"not in db correctly to start");
var oldShardName = s.config.databases.findOne({_id: "test1"}).primary;
assert.commandWorked(s.s0.adminCommand({movePrimary: "test1", to: toShard.name}));
s.printShardingStatus();
assert.eq(s.normalize(s.config.databases.findOne({_id: "test1"}).primary),
s.normalize(toShard.name),
"to in config db didn't change after first move");
assert.eq(0, fromShard.getDB("test1").foo.count(), "from still has data after move");
assert.eq(3, toShard.getDB("test1").foo.count(), "to doesn't have data after move");
assert.eq(1, s.s.getDB("test1").view.count(), "count on view incorrect after move");
// Move back, now using shard name instead of server address
assert.commandWorked(s.s0.adminCommand({movePrimary: "test1", to: oldShardName}));
s.printShardingStatus();
assert.eq(s.normalize(s.config.databases.findOne({_id: "test1"}).primary),
oldShardName,
"to in config db didn't change after second move");
assert.eq(3, fromShard.getDB("test1").foo.count(), "from doesn't have data after move back");
assert.eq(0, toShard.getDB("test1").foo.count(), "to has data after move back");
assert.eq(1, s.s.getDB("test1").view.count(), "count on view incorrect after move back");
assert.commandFailedWithCode(s.s0.adminCommand({movePrimary: 'test1', to: 'dontexist'}),
ErrorCodes.ShardNotFound,
'attempting to use non-existent shard as primary should fail');
s.stop();
})();
|
