mongo/jstests/replsets/newly_added_two_nodes_simul...

98 lines
2.9 KiB
JavaScript

/**
* Tests adding two non-voting nodes to the replica set at the same time.
*
* @tags: [
* ]
*/
import {kDefaultWaitForFailPointTimeout} from "jstests/libs/fail_point_util.js";
import {ReplSetTest} from "jstests/libs/replsettest.js";
import {
assertVoteCount,
isMemberNewlyAdded,
waitForNewlyAddedRemovalForNodeToBeCommitted,
} from "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.initiate();
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();