56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
// Test the downgrade of a replica set from latest version
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// to last-stable version succeeds, while reads and writes continue.
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// @tags: [requires_mmapv1]
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load('./jstests/multiVersion/libs/multi_rs.js');
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load('./jstests/libs/test_background_ops.js');
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// 3.2.1 is the final version to use the old style replSetUpdatePosition command.
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var oldVersion = "3.2.1";
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var newVersion = "latest";
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var name = "replsetdowngrade";
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var nodes = {
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n1: {binVersion: newVersion},
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n2: {binVersion: newVersion},
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n3: {binVersion: newVersion}
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};
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// SERVER-25132 - Only runs in mmapv1
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var storageEngine = "mmapv1";
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var rst = new ReplSetTest({name: name, nodes: nodes, nodeOptions: {storageEngine: storageEngine}});
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rst.startSet();
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var replSetConfig = rst.getReplSetConfig();
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replSetConfig.protocolVersion = 0;
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rst.initiate(replSetConfig);
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var primary = rst.getPrimary();
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var coll = "test.foo";
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jsTest.log("Inserting documents into collection.");
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for (var i = 0; i < 10; i++) {
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primary.getCollection(coll).insert({_id: i, str: "hello world"});
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}
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function insertDocuments(rsURL, coll) {
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var coll = new Mongo(rsURL).getCollection(coll);
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var count = 10;
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while (!isFinished()) {
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assert.writeOK(coll.insert({_id: count, str: "hello world"}));
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count++;
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}
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}
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jsTest.log("Starting parallel operations during downgrade..");
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var joinFindInsert = startParallelOps(primary, insertDocuments, [rst.getURL(), coll]);
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jsTest.log("Downgrading replica set..");
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rst.upgradeSet({binVersion: oldVersion, storageEngine: storageEngine});
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jsTest.log("Downgrade complete.");
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primary = rst.getPrimary();
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printjson(rst.status());
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joinFindInsert();
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rst.stopSet();
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