jstests/replsets/request_primary_stepdown.js


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// 3-node replica set - one arbiter and two electable nodes with different priorities.
// Wait for replica set to stabilize with the higher priority node as primary.
// Step down the high priority node. Wait for the lower priority electable node to become primary.
// Eventually the high priority node will run a priority takeover election to become primary. During
// this election that node should make sure that it does not error in _requestRemotePrimaryStepDown.
(function() {
'use strict';
load('jstests/replsets/rslib.js');

var name = 'request_primary_stepdown';
var replSet = new ReplSetTest(
    {name: name, nodes: [{rsConfig: {priority: 3}}, {}, {rsConfig: {arbiterOnly: true}}]});
replSet.startSet();
replSet.initiate();

replSet.waitForState(replSet.nodes[0], ReplSetTest.State.PRIMARY);
replSet.awaitSecondaryNodes();
replSet.awaitReplication();
var primary = replSet.getPrimary();

assert.commandWorked(
    replSet.nodes[0].adminCommand({setParameter: 1, logComponentVerbosity: {executor: 4}}));
clearRawMongoProgramOutput();

// Primary should step down long enough for election to occur on secondary.
assert.commandWorked(primary.adminCommand({replSetStepDown: 70, secondaryCatchUpPeriodSecs: 60}));

// Wait for node 1 to be promoted to primary after node 0 stepped down.
replSet.waitForState(replSet.nodes[1], ReplSetTest.State.PRIMARY, 60 * 1000);

// Eventually node 0 will stand for election again because it has a higher priorty.
replSet.waitForState(replSet.nodes[0], ReplSetTest.State.PRIMARY, 100 * 1000);
var logContents = rawMongoProgramOutput();
assert.eq(logContents.indexOf("stepdown period must be longer than secondaryCatchUpPeriodSecs"),
          -1,
          "_requestRemotePrimaryStepDown sent an invalid replSetStepDown command");
replSet.stopSet();
})();