mirror of https://github.com/mongodb/mongo
77 lines
3.0 KiB
JavaScript
77 lines
3.0 KiB
JavaScript
// Ensure writes do not prevent a node from Stepping down
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// 1. Start up a 3 node set (1 arbiter).
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// 2. Stop replication on the SECONDARY using a fail point.
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// 3. Do one write and then spin up a second shell which asks the PRIMARY to StepDown.
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// 4. Once StepDown has begun, try to do a write and ensure that it fails with NotWritablePrimary
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// 5. Restart replication on the SECONDARY.
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// 6. Wait for PRIMARY to StepDown.
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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import {restartServerReplication, stopServerReplication} from "jstests/libs/write_concern_util.js";
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let name = "stepDownWithLongWait";
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let replSet = new ReplSetTest({name: name, nodes: 3});
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let nodes = replSet.nodeList();
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replSet.startSet();
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replSet.initiate({
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"_id": name,
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"members": [
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{"_id": 0, "host": nodes[0], "priority": 3},
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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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});
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replSet.waitForState(replSet.nodes[0], ReplSetTest.State.PRIMARY);
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let primary = replSet.getPrimary();
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// The default WC is majority and stopServerReplication will prevent satisfying any majority writes.
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assert.commandWorked(
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primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: 1}, writeConcern: {w: "majority"}}),
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);
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let secondary = replSet.getSecondary();
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jsTestLog("Disable replication on the SECONDARY " + secondary.host);
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stopServerReplication(secondary);
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jsTestLog("do a write then ask the PRIMARY to stepdown");
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let options = {writeConcern: {w: 1, wtimeout: ReplSetTest.kDefaultTimeoutMS}};
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assert.commandWorked(primary.getDB(name).foo.insert({x: 1}, options));
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let stepDownCmd = function () {
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assert.commandWorked(db.adminCommand({replSetStepDown: 60, secondaryCatchUpPeriodSecs: 60}));
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};
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let stepDowner = startParallelShell(stepDownCmd, primary.port);
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assert.soon(function () {
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let res = primary.getDB("admin").currentOp(true);
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for (let entry in res.inprog) {
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if (res.inprog[entry]["command"] && res.inprog[entry]["command"]["replSetStepDown"] === 60) {
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return true;
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}
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}
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printjson(res);
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return false;
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}, "No pending stepdown command found");
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jsTestLog("Ensure that writes start failing with NotWritablePrimary errors");
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assert.soonNoExcept(function () {
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assert.commandFailedWithCode(primary.getDB(name).foo.insert({x: 2}), ErrorCodes.NotWritablePrimary);
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return true;
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});
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jsTestLog(
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"Ensure that even though writes are failing with NotWritablePrimary, we still report " + "ourselves as PRIMARY",
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);
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assert.eq(ReplSetTest.State.PRIMARY, primary.adminCommand("replSetGetStatus").myState);
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jsTestLog("Enable replication on the SECONDARY " + secondary.host);
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restartServerReplication(secondary);
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jsTestLog("Wait for PRIMARY " + primary.host + " to completely step down.");
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replSet.awaitSecondaryNodes(null, [primary]);
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let exitCode = stepDowner();
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jsTestLog("Wait for SECONDARY " + secondary.host + " to become PRIMARY");
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replSet.waitForState(secondary, ReplSetTest.State.PRIMARY);
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replSet.stopSet();
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