63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/*
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* Tests that on a successful fcv upgrade, adding new voters to the replica set
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* makes replConfig to contain members with 'newlyAdded' field.
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*
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* This tests behavior centered around FCV upgrade.
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* @tags: [multiversion_incompatible]
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*/
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(function() {
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'use strict';
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load('jstests/replsets/rslib.js');
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// Start a single node replica set.
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// Disable Chaining so that initial sync nodes always sync from primary.
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const rst = new ReplSetTest({nodes: 1, settings: {chainingAllowed: false}});
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rst.startSet();
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rst.initiateWithHighElectionTimeout();
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const dbName = jsTest.name();
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const collName = "coll";
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const primary = rst.getPrimary();
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const primaryDB = primary.getDB(dbName);
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const primaryColl = primaryDB[collName];
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const primaryAdminDB = primary.getDB("admin");
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// Set FCV to 4.4 to test the upgrade behavior.
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assert.commandWorked(primary.adminCommand({setFeatureCompatibilityVersion: lastLTSFCV}));
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assert.commandWorked(primary.adminCommand({clearLog: "global"}));
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let startupParams = {};
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startupParams['failpoint.initialSyncHangAfterDataCloning'] = tojson({mode: 'alwaysOn'});
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jsTestLog("Upgrade FCV to " + latestFCV);
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assert.commandWorked(primary.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
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jsTestLog("Adding a new voting node (node1) to the replica set");
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const node1 = rst.add({rsConfig: {priority: 0, votes: 1}, setParameter: startupParams});
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rst.reInitiate();
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jsTestLog("Wait for node1 to hang during initial sync");
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checkLog.containsJson(node1, 21184);
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// Check that 'newlyAdded' field is set.
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assert(isMemberNewlyAdded(primary, 1));
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assertVoteCount(primary, {
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votingMembersCount: 1,
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majorityVoteCount: 1,
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writableVotingMembersCount: 1,
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writeMajorityCount: 1,
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totalMembersCount: 2,
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});
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jsTestLog("Perform test cleanup");
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assert.commandWorked(
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node1.adminCommand({configureFailPoint: "initialSyncHangAfterDataCloning", mode: 'off'}));
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rst.waitForState(node1, ReplSetTest.State.SECONDARY);
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// Check if writeConcern: 2 works.
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assert.commandWorked(primaryColl.insert({_id: 0}, {"writeConcern": {"w": 2}}));
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rst.stopSet();
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}()); |