69 lines
2.3 KiB
JavaScript
69 lines
2.3 KiB
JavaScript
// test that a rollback of collModding usePowerOf2Sizes will cause the node to log a message about
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// ignoring that action during rollback
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// function to check the logs for an entry
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doesEntryMatch = function(array, regex) {
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var found = false;
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for (i = 0; i < array.length; i++) {
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if (regex.test(array[i])) {
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found = true;
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}
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}
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return found;
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}
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// set up a set and grab things for later
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var name = "rollback_collMod_PowerOf2Sizes";
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var replTest = new ReplSetTest({name: name, nodes: 3});
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var nodes = replTest.nodeList();
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var conns = replTest.startSet();
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replTest.initiate({"_id": name,
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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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// get master and do an initial write
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var master = replTest.getMaster();
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var a_conn = master;
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var slaves = replTest.liveNodes.slaves;
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var b_conn = slaves[0];
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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 options = {writeConcern: {w: 2, wtimeout: 60000}, upsert: true};
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assert.writeOK(a_conn.getDB(name).foo.insert({x: 1}, options));
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// shut down master
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replTest.stop(AID);
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// collMod usePowerOf2Sizes to be false
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master = replTest.getMaster();
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assert(b_conn.host === master.host, "b_conn assumed to be master");
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assert.commandWorked(b_conn.getDB(name).runCommand({collMod: "foo", usePowerOf2Sizes: false}));
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// shut down B and bring back the original master
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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, "a_conn assumed to be master");
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// do a write so that B will have to roll back
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options = {writeConcern: {w: 1, wtimeout: 60000}, upsert: true};
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assert.writeOK(a_conn.getDB(name).foo.insert({x: 2}, options));
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// restart B, which should rollback and log a message about not rolling back usePowerOf2Sizes
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replTest.restart(BID);
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var msg = RegExp("not rolling back change of usePowerOf2Sizes: ");
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assert.soon(function() {
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try {
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var log = b_conn.getDB("admin").adminCommand({getLog: "global"}).log;
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return doesEntryMatch(log, msg);
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}
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catch (e) {
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return false;
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}
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}, "Did not see a log entry about skipping the usePowerOf2Sizes command during rollback");
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replTest.stopSet();
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