111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
//
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// Tests initialization of an empty cluster with multiple mongoses.
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// Starts a bunch of mongoses in parallel, and ensures that there's only a single config
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// version initialization.
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//
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jsTest.log("Start config servers...")
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var configSvrA = MongoRunner.runMongod({ configsvr: "", journal: "", verbose : 2 });
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var configSvrB = MongoRunner.runMongod({ configsvr: "", journal: "", verbose : 2 });
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var configSvrC = MongoRunner.runMongod({ configsvr: "", journal: "", verbose : 2 });
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var configConnStr = [configSvrA.host, configSvrB.host, configSvrC.host].join(",");
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var configConn = configSvrA;
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// Start profiling the config db
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configConn.getDB("config").setProfilingLevel(2);
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//
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// Start a bunch of mongoses which will probably interfere
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//
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jsTest.log("Starting first set of mongoses in parallel...");
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var mongoses = [];
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for (var i = 0; i < 3; i++) {
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var mongos = MongoRunner.runMongos({ binVersion : "latest",
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configdb : configConnStr,
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waitForConnect : false });
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mongoses.push(mongos);
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}
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// Eventually connect to a mongo host, to be sure that the config upgrade happened
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// (This can take longer on extremely slow bbots or VMs)
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var mongosConn = null;
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assert.soon(function() {
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try {
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mongosConn = new Mongo(mongoses[0].host);
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return true;
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}
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catch (e) {
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print("Waiting for connect...");
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printjson(e);
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return false;
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}
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}, "Mongos " + mongoses[0].host + " did not start.", 5 * 60 * 1000 );
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var version = mongosConn.getCollection("config.version").findOne();
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//
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// Start a second set of mongoses which should respect the initialized version
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//
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jsTest.log("Starting second set of mongoses...");
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for (var i = 0; i < 3; i++) {
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var mongos = MongoRunner.runMongos({ binVersion : "latest",
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configdb : configConnStr,
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waitForConnect : false });
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mongoses.push(mongos);
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}
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// Eventually connect to a host
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assert.soon(function() {
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try {
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mongosConn = new Mongo(mongoses[mongoses.length - 1].host);
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return true;
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}
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catch (e) {
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print("Waiting for connect...");
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printjson(e);
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return false;
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}
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}, "Later mongos " + mongoses[ mongoses.length - 1 ].host + " did not start.", 5 * 60 * 1000 );
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// Shut down our mongoses now that we've tested them
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for (var i = 0; i < mongoses.length; i++) {
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MongoRunner.stopMongos(mongoses[i]);
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}
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jsTest.log("Mongoses stopped...");
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//
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// Check version and that the version was only updated once
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//
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printjson(version);
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assert.eq(version.minCompatibleVersion, 5);
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assert.eq(version.currentVersion, 6);
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assert(version.clusterId);
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assert.eq(version.excluding, undefined);
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jsTest.log("Ensuring config.version collection only written once...");
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var updates = configConn.getDB("config").system.profile.find({ op : "update",
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ns : "config.version" }).toArray();
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printjson(updates);
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assert.eq(updates.length, 1);
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MongoRunner.stopMongod(configSvrA);
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MongoRunner.stopMongod(configSvrB);
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MongoRunner.stopMongod(configSvrC);
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jsTest.log("DONE!");
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