48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
// Test the downgrade of a replica set from latest version
|
|
// to version 2.6 succeeds, while reads and writes continue.
|
|
|
|
load('./jstests/multiVersion/libs/multi_rs.js')
|
|
load('./jstests/libs/test_background_ops.js')
|
|
|
|
var newVersion = "latest";
|
|
var oldVersion = "2.6";
|
|
|
|
var name = "replsetdowngrade";
|
|
var nodes = {n1: {binVersion: newVersion},
|
|
n2: {binVersion: newVersion},
|
|
n3: {binVersion: newVersion}};
|
|
|
|
var rst = new ReplSetTest({name: name, nodes: 3});
|
|
rst.startSet();
|
|
rst.initiate();
|
|
|
|
var primary = rst.getPrimary();
|
|
var coll = "test.foo";
|
|
|
|
jsTest.log("Inserting documents into collection.");
|
|
for (var i=0; i<10; i++) {
|
|
primary.getCollection(coll).insert({_id: i, str: "hello world"});
|
|
}
|
|
|
|
function insertDocuments(rsURL, coll) {
|
|
var coll = new Mongo(rsURL).getCollection(coll);
|
|
var count = 10;
|
|
while (!isFinished()) {
|
|
assert.writeOK(coll.insert({_id: count, str: "hello world"}));
|
|
count++;
|
|
}
|
|
}
|
|
|
|
jsTest.log("Starting parallel operations during downgrade..");
|
|
var joinFindInsert = startParallelOps(primary, insertDocuments, [rst.getURL(), coll]);
|
|
|
|
jsTest.log("Downgrading replica set..");
|
|
rst.upgradeSet(oldVersion);
|
|
jsTest.log("Downgrade complete.");
|
|
|
|
primary = rst.getPrimary();
|
|
printjson(rst.status());
|
|
|
|
joinFindInsert();
|
|
rst.stopSet();
|