114 lines
4.8 KiB
JavaScript
114 lines
4.8 KiB
JavaScript
/*
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* Tests startup with a node in downgrading state.
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* Starts a sharded cluster with 2 shards, each with 2 nodes.
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*
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* @tags: [requires_fcv_70]
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*/
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import "jstests/multiVersion/libs/verify_versions.js";
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function runSharding() {
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let fcvDoc;
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let shard0PrimaryAdminDB;
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let shard1PrimaryAdminDB;
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let mongosAdminDB;
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let configPrimary;
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let configPrimaryAdminDB;
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const st = new ShardingTest({shards: {rs0: {nodes: 2}, rs1: {nodes: 2}}, config: 1, mongos: 1});
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mongosAdminDB = st.s.getDB("admin");
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configPrimary = st.configRS.getPrimary();
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configPrimaryAdminDB = configPrimary.getDB("admin");
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shard0PrimaryAdminDB = st.shard0.getDB("admin");
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shard1PrimaryAdminDB = st.shard1.getDB("admin");
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// Check that the shards are using latest version.
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fcvDoc = shard0PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard0 version before downgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard0PrimaryAdminDB, latestFCV);
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fcvDoc = shard1PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard1 version before downgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard1PrimaryAdminDB, latestFCV);
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// Set the failDowngrading failpoint so that the downgrading will fail.
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assert.commandWorked(
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configPrimary.adminCommand({configureFailPoint: "failDowngrading", mode: "alwaysOn"}));
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// Start downgrading. It will fail.
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assert.commandFailed(
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mongosAdminDB.runCommand({setFeatureCompatibilityVersion: lastLTSFCV, confirm: true}));
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st.rs0.awaitReplication();
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st.rs1.awaitReplication();
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// Check that the shards are in downgrading state.
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fcvDoc = configPrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Config version after downgrading: ${tojson(fcvDoc)}`);
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checkFCV(configPrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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fcvDoc = shard0PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard0 version after downgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard0PrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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fcvDoc = shard1PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard1 version after downgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard1PrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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// Restart the sharded cluster.
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jsTestLog("Restarting the config server:");
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st.restartConfigServer(0);
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jsTestLog("Restarting the mongos:");
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st.restartMongos(0);
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jsTestLog("Restarting shard0:");
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st.restartShardRS(0, {startClean: false}, undefined, true);
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jsTestLog("Restarting shard1:");
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st.restartShardRS(1, {startClean: false}, undefined, true);
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st.waitForShardingInitialized();
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// Check that the shards are in downgrading state after restarting.
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configPrimary = st.configRS.getPrimary();
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configPrimaryAdminDB = configPrimary.getDB("admin");
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fcvDoc = configPrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Config version after restarting: ${tojson(fcvDoc)}`);
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checkFCV(configPrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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shard0PrimaryAdminDB = st.shard0.getDB('admin');
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fcvDoc = shard0PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard0 version after restarting: ${tojson(fcvDoc)}`);
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checkFCV(shard0PrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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shard1PrimaryAdminDB = st.shard1.getDB('admin');
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fcvDoc = shard1PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard1 version after restarting: ${tojson(fcvDoc)}`);
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checkFCV(shard1PrimaryAdminDB, lastLTSFCV, lastLTSFCV);
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// Upgrade the sharded cluster to upgraded (latestFCV).
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mongosAdminDB = st.s.getDB("admin");
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assert.commandWorked(
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mongosAdminDB.runCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
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st.rs0.awaitReplication();
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st.rs1.awaitReplication();
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// Check that the shards are in upgraded state.
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fcvDoc = configPrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Config version after successfully upgrading: ${tojson(fcvDoc)}`);
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checkFCV(configPrimaryAdminDB, latestFCV);
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shard0PrimaryAdminDB = st.shard0.getDB('admin');
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fcvDoc = shard0PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard0 version after successfully upgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard0PrimaryAdminDB, latestFCV);
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shard1PrimaryAdminDB = st.shard1.getDB('admin');
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fcvDoc = shard1PrimaryAdminDB.system.version.findOne({_id: 'featureCompatibilityVersion'});
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jsTestLog(`Shard1 version after successfully upgrading: ${tojson(fcvDoc)}`);
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checkFCV(shard1PrimaryAdminDB, latestFCV);
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st.stop();
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}
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runSharding();
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