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
|
(function() {
var s = new ShardingTest({name: "remove_shard1", shards: 2});
assert.eq(2, s.config.shards.count(), "initial server count wrong");
assert.writeOK(
s.config.databases.insert({_id: 'needToMove', partitioned: false, primary: 'shard0000'}));
// Returns an error when trying to remove a shard that doesn't exist.
assert.commandFailed(s.admin.runCommand({removeshard: "shardz"}));
// first remove puts in draining mode, the second tells me a db needs to move, the third
// actually removes
assert(s.admin.runCommand({removeshard: "shard0000"}).ok, "failed to start draining shard");
assert(!s.admin.runCommand({removeshard: "shard0001"}).ok, "allowed two draining shards");
assert.eq(s.admin.runCommand({removeshard: "shard0000"}).dbsToMove,
['needToMove'],
"didn't show db to move");
s.getDB('needToMove').dropDatabase();
assert(s.admin.runCommand({removeshard: "shard0000"}).ok, "failed to remove shard");
assert.eq(1, s.config.shards.count(), "removed server still appears in count");
assert(!s.admin.runCommand({removeshard: "shard0001"}).ok, "allowed removing last shard");
// should create a shard0002 shard
var conn = MongoRunner.runMongod({});
assert(s.admin.runCommand({addshard: conn.host}).ok, "failed to add shard");
assert.eq(2, s.config.shards.count(), "new server does not appear in count");
MongoRunner.stopMongod(conn);
s.stop();
})();
|
