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
|
/**
* Tests that a new replica set member performing an initial sync from a secondary node as the sync
* source, which has an in-progress index build will also build the index as part of the initial
* sync operation.
* @tags: [requires_replication]
*/
(function() {
'use strict';
load("jstests/replsets/rslib.js");
const dbName = "test";
const collName = "coll";
const firstIndexName = "_first";
function addTestDocuments(db) {
let size = 100;
jsTest.log("Creating " + size + " test documents.");
var bulk = db.getCollection(collName).initializeUnorderedBulkOp();
for (var i = 0; i < size; ++i) {
bulk.insert({i: i});
}
assert.writeOK(bulk.execute());
}
let replSet = new ReplSetTest({name: "indexBuilds", nodes: 2, useBridge: true});
let nodes = replSet.nodeList();
replSet.startSet({startClean: true});
replSet.initiate({
_id: "indexBuilds",
members: [
{_id: 0, host: nodes[0]},
{_id: 1, host: nodes[1], votes: 0, priority: 0},
]
});
let primary = replSet.getPrimary();
let primaryDB = primary.getDB(dbName);
let secondary = replSet.getSecondary();
let secondaryDB = secondary.getDB(dbName);
addTestDocuments(primaryDB);
jsTest.log("Hanging index builds on the secondary node");
assert.commandWorked(secondaryDB.adminCommand(
{configureFailPoint: "hangAfterStartingIndexBuild", mode: "alwaysOn"}));
jsTest.log("Beginning index build: " + firstIndexName);
assert.commandWorked(primaryDB.runCommand({
createIndexes: collName,
indexes: [{key: {i: 1}, name: firstIndexName, background: true}],
writeConcern: {w: 2}
}));
jsTest.log("Adding a new node to the replica set");
let newNode = replSet.add({rsConfig: {votes: 0, priority: 0}});
// Ensure that the new node and primary cannot communicate to each other.
newNode.disconnect(primary);
replSet.reInitiate();
// Wait for the new node to finish initial sync.
waitForState(newNode, ReplSetTest.State.SECONDARY);
// Let the 'secondary' finish its index build.
jsTest.log("Removing index build hang on the secondary node to allow it to finish");
assert.commandWorked(
secondaryDB.adminCommand({configureFailPoint: "hangAfterStartingIndexBuild", mode: "off"}));
// Wait for the index builds to finish.
replSet.waitForAllIndexBuildsToFinish(dbName, collName);
jsTest.log("Checking if the indexes match between the new node and the secondary node");
let newNodeDB = newNode.getDB(dbName);
jsTest.log("New nodes indexes:");
printjson(newNodeDB.getCollection(collName).getIndexes());
jsTest.log("Secondary nodes indexes:");
printjson(secondaryDB.getCollection(collName).getIndexes());
assert.eq(newNodeDB.getCollection(collName).getIndexes().length,
secondaryDB.getCollection(collName).getIndexes().length);
replSet.stopSet();
})();
|
