60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
/**
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* Tests the idempotency of the 'setFeatureCompatibilityVersion' command.
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* We execute the following steps for both upgrade and downgrade:
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* 1. Enable a failpoint to fail upgrading/downgrading.
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* 2. Issue a setFeatureCompatibilityVersion command, which upgrades/downgrades
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* the replica set to a kUpgrading/kDowngrading intermediary state.
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* 3. The setFeatureCompatibilityVersion command fails without completing all
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* upgrade/downgrade behavior.
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* 4. Disable the failpoint, and issue a succesful setFeatureCompatibilityVersion
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* to finish upgrading/downgrading.
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*/
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(function() {
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"use strict";
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load("jstests/libs/write_concern_util.js");
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function runTest(downgradeVersion) {
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const downgradeFCV = binVersionToFCV(downgradeVersion);
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const replTest = new ReplSetTest({name: jsTestName(), nodes: 2});
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replTest.startSet();
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replTest.initiate();
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let primary = replTest.getPrimary();
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// Enable failpoint to fail downgrading.
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let failpoint = configureFailPoint(primary, 'failDowngrading');
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assert.commandFailed(primary.adminCommand({setFeatureCompatibilityVersion: downgradeFCV}));
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// Verify the node is in an intermediary state. If the response object has the 'targetVersion'
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// field, we are in a partially upgraded or downgraded state.
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checkFCV(primary.getDB("admin"), downgradeFCV, downgradeFCV);
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failpoint.off();
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assert.commandWorked(primary.adminCommand({setFeatureCompatibilityVersion: downgradeFCV}));
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// Verify the feature compatibility version transition is complete.
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checkFCV(primary.getDB("admin"), downgradeFCV);
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const latestFCV = binVersionToFCV('latest');
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// Enable failpoint to fail upgrading.
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failpoint = configureFailPoint(primary, 'failUpgrading');
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assert.commandFailed(primary.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
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// Verify the node is in an intermediary state. If the response object has the 'targetVersion'
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// field, we are in a partially upgraded or downgraded state.
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checkFCV(primary.getDB("admin"), downgradeFCV, latestFCV);
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failpoint.off();
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assert.commandWorked(primary.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
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// Verify the feature compatibility version transition is complete.
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checkFCV(primary.getDB("admin"), latestFCV);
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replTest.stopSet();
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}
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runTest('last-lts');
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runTest('last-continuous');
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}()); |