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/**
* Tests adding two non-voting nodes to the replica set at the same time.
*
* @tags: [
* requires_fcv_47,
* ]
*/
(function() {
"use strict";
load("jstests/libs/fail_point_util.js");
load('jstests/replsets/rslib.js');
const testName = jsTestName();
const dbName = "testdb";
const collName = "testcoll";
const rst = new ReplSetTest(
{name: testName, nodes: 1, settings: {chainingAllowed: false}, useBridge: true});
rst.startSet();
rst.initiateWithHighElectionTimeout();
const primary = rst.getPrimary();
const primaryDb = primary.getDB(dbName);
const primaryColl = primaryDb.getCollection(collName);
assert.commandWorked(primaryColl.insert({"starting": "doc"}));
const newNodeOne = rst.add({
rsConfig: {priority: 0},
setParameter: {
'failpoint.initialSyncHangBeforeFinish': tojson({mode: 'alwaysOn'}),
'numInitialSyncAttempts': 1,
}
});
const newNodeTwo = rst.add({
rsConfig: {priority: 0},
setParameter: {
'failpoint.initialSyncHangBeforeFinish': tojson({mode: 'alwaysOn'}),
'numInitialSyncAttempts': 1,
}
});
rst.reInitiate();
assert.commandWorked(newNodeOne.adminCommand({
waitForFailPoint: "initialSyncHangBeforeFinish",
timesEntered: 1,
maxTimeMS: kDefaultWaitForFailPointTimeout
}));
assert.commandWorked(newNodeTwo.adminCommand({
waitForFailPoint: "initialSyncHangBeforeFinish",
timesEntered: 1,
maxTimeMS: kDefaultWaitForFailPointTimeout
}));
jsTestLog("Checking that the 'newlyAdded' field is set on both new nodes");
assert(isMemberNewlyAdded(primary, 1));
assert(isMemberNewlyAdded(primary, 2));
jsTestLog("Checking vote counts while secondaries are still in initial sync");
assertVoteCount(primary, {
votingMembersCount: 1,
majorityVoteCount: 1,
writableVotingMembersCount: 1,
writeMajorityCount: 1,
totalMembersCount: 3
});
jsTestLog("Allowing secondaries to complete initial sync");
assert.commandWorked(
newNodeOne.adminCommand({configureFailPoint: "initialSyncHangBeforeFinish", mode: "off"}));
assert.commandWorked(
newNodeTwo.adminCommand({configureFailPoint: "initialSyncHangBeforeFinish", mode: "off"}));
rst.awaitSecondaryNodes();
jsTestLog("Checking that the 'newlyAdded' field is no longer set on either node");
waitForNewlyAddedRemovalForNodeToBeCommitted(primary, 1);
waitForNewlyAddedRemovalForNodeToBeCommitted(primary, 2);
jsTestLog("Checking vote counts after secondaries have finished initial sync");
assertVoteCount(primary, {
votingMembersCount: 3,
majorityVoteCount: 2,
writableVotingMembersCount: 3,
writeMajorityCount: 2,
totalMembersCount: 3
});
jsTestLog("Making sure set can accept w:3 writes");
assert.commandWorked(primaryColl.insert({"steady": "state"}, {writeConcern: {w: 3}}));
rst.awaitReplication();
rst.stopSet();
})();
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