103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
// test that a rollback directory is created during a replica set rollback
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// this also tests that updates are recorded in the rollback file
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// (this test does no delete rollbacks)
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var replTest = new ReplSetTest({ name: 'rollback5', nodes: 3 });
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var nodes = replTest.nodeList();
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var conns = replTest.startSet();
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var r = replTest.initiate({ "_id": "rollback5",
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"members": [
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{ "_id": 0, "host": nodes[0] },
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{ "_id": 1, "host": nodes[1] },
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{ "_id": 2, "host": nodes[2], arbiterOnly: true}]
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});
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// Make sure we have a master
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var master = replTest.getMaster();
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var a_conn = conns[0];
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var b_conn = conns[1];
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a_conn.setSlaveOk();
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b_conn.setSlaveOk();
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var A = a_conn.getDB("test");
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var B = b_conn.getDB("test");
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var AID = replTest.getNodeId(a_conn);
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var BID = replTest.getNodeId(b_conn);
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var Apath = "/data/db/rollback5-0/";
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var Bpath = "/data/db/rollback5-1/";
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assert(master == conns[0], "conns[0] assumed to be master");
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assert(a_conn.host == master.host);
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// Make sure we have an arbiter
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assert.soon(function () {
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res = conns[2].getDB("admin").runCommand({ replSetGetStatus: 1 });
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return res.myState == 7;
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}, "Arbiter failed to initialize.");
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A.foo.update({key:'value1'}, {$set: {req: 'req'}}, true);
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A.foo.runCommand({getLastError : 1, w : 2, wtimeout : 60000});
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replTest.stop(AID);
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master = replTest.getMaster();
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assert(b_conn.host == master.host);
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B.foo.update({key:'value1'}, {$set: {res: 'res'}}, true);
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B.foo.runCommand({getLastError : 1, w : 1, wtimeout : 60000});
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replTest.stop(BID);
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replTest.restart(AID);
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master = replTest.getMaster();
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assert(a_conn.host == master.host);
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A.foo.update({key:'value2'}, {$set: {req: 'req'}}, true);
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A.foo.runCommand({getLastError : 1, w : 1, wtimeout : 60000});
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replTest.restart(BID); // should rollback
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reconnect(B);
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print("BEFORE------------------");
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printjson(A.foo.find().toArray());
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replTest.awaitReplication();
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replTest.awaitSecondaryNodes();
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print("AFTER------------------");
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printjson(A.foo.find().toArray());
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assert.eq(2, A.foo.count());
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assert.eq('req', A.foo.findOne({key:'value1'}).req);
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assert.eq(null, A.foo.findOne({key:'value1'}).res);
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assert.eq(2, B.foo.count());
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assert.eq('req', B.foo.findOne({key:'value1'}).req);
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assert.eq(null, B.foo.findOne({key:'value1'}).res);
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// check here for rollback files
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var rollbackDir = Bpath + "rollback/";
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assert(pathExists(rollbackDir), "rollback directory was not created!");
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print("rollback5.js SUCCESS");
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replTest.stopSet(15);
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function wait(f) {
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var n = 0;
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while (!f()) {
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if (n % 4 == 0)
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print("rollback5.js waiting");
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if (++n == 4) {
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print("" + f);
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}
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assert(n < 200, 'tried 200 times, giving up');
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sleep(1000);
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}
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}
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function reconnect(a) {
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wait(function() {
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try {
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a.bar.stats();
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return true;
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} catch(e) {
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print(e);
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return false;
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}
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});
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};
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