85 lines
3.9 KiB
JavaScript
85 lines
3.9 KiB
JavaScript
/**
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* Test that `movePrimary` works for databases created under a different FCV
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*/
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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let st = new ShardingTest({shards: 2, mongos: 1, rs: {nodes: 1}});
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const mongos = st.s;
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const kBeforeDowngradingDbName = 'createdBeforeDowngrading';
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const kBeforeUpgradingDbName = 'createdBeforeUpgrading';
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const shard0 = st.shard0.shardName;
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const shard1 = st.shard1.shardName;
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const createdBeforeDowngradingDB = mongos.getDB(kBeforeDowngradingDbName);
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const createdBeforeUpgradingDB = mongos.getDB(kBeforeUpgradingDbName);
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const fcvValues = [lastLTSFCV, lastContinuousFCV];
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function testMovePrimary(db) {
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const dbName = db.getName();
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// The following pipeline update modifies the config.databases entry to simulate its database
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// version field order as having come from running {setFeatureCompatibility: "5.0"} as part of
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// upgrading from MongoDB 4.4. See SERVER-68511 for more details of the original issue.
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mongos.getDB('config').databases.update({_id: dbName}, [{
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$replaceWith: {
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$mergeObjects: [
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"$$ROOT",
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{
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version: {
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uuid: "$version.uuid",
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lastMod: "$version.lastMod",
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timestamp: "$version.timestamp"
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}
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}
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]
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}
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}]);
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const currentPrimary = mongos.getDB('config').databases.findOne({_id: dbName}).primary;
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const newPrimary = currentPrimary == shard0 ? shard1 : shard0;
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assert.eq(db.coll.countDocuments({}), 1);
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assert.commandWorked(mongos.adminCommand({movePrimary: dbName, to: newPrimary}));
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assert.eq(newPrimary, mongos.getDB('config').databases.findOne({_id: dbName}).primary);
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assert.eq(db.coll.countDocuments({}), 1);
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}
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for (var i = 0; i < fcvValues.length; i++) {
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// Latest FCV
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assert.commandWorked(
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mongos.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
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// Create database `createdBeforeDowngrading` under latest FCV
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assert.commandWorked(
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mongos.adminCommand({enableSharding: kBeforeDowngradingDbName, primaryShard: shard0}));
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assert.commandWorked(createdBeforeDowngradingDB.coll.insert({_id: 'foo'}));
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// Downgrade FCV
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assert.commandWorked(
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mongos.adminCommand({setFeatureCompatibilityVersion: fcvValues[i], confirm: true}));
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// Make sure movePrimary works for `createdBeforeDowngrading`
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testMovePrimary(createdBeforeDowngradingDB);
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// Create database `createdBeforeUpgrading` under downgraded FCV
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assert.commandWorked(
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mongos.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
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assert.commandWorked(
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mongos.adminCommand({enableSharding: kBeforeUpgradingDbName, primaryShard: shard0}));
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assert.commandWorked(createdBeforeUpgradingDB.coll.insert({_id: 'foo'}));
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// Upgrade FCV
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assert.commandWorked(
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mongos.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
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// Make sure movePrimary works (again) for `createdBeforeDowngrading`
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testMovePrimary(createdBeforeDowngradingDB);
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// Make sure movePrimary works for `createdBeforeUpgrading`
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testMovePrimary(createdBeforeUpgradingDB);
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// Drop databases for next round
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assert.commandWorked(createdBeforeDowngradingDB.dropDatabase());
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assert.commandWorked(createdBeforeUpgradingDB.dropDatabase());
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}
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st.stop(); |