35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
/*
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* Tests that an arbiter will always be on the latest FCV regardless of the FCV of the replica set.
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*/
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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function runTest(FCV) {
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let rst = new ReplSetTest({nodes: [{}, {rsConfig: {arbiterOnly: true}}]});
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rst.startSet();
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rst.initiate();
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const primary = rst.getPrimary();
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if (FCV != latestFCV) {
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assert.commandWorked(primary.getDB("admin").runCommand({setFeatureCompatibilityVersion: FCV, confirm: true}));
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}
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const primaryFCV = assert.commandWorked(
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primary.getDB("admin").runCommand({getParameter: 1, featureCompatibilityVersion: 1}),
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);
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assert.eq(primaryFCV.featureCompatibilityVersion.version, FCV, tojson(primaryFCV));
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// The arbiter should always have an FCV matching kLatest.
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const arbiter = rst.getArbiter();
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const arbiterFCV = assert.commandWorked(
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arbiter.getDB("admin").runCommand({getParameter: 1, featureCompatibilityVersion: 1}),
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);
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assert.eq(arbiterFCV.featureCompatibilityVersion.version, latestFCV, tojson(arbiterFCV));
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rst.stopSet();
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}
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runTest(latestFCV);
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runTest(lastLTSFCV);
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if (lastContinuousFCV != lastLTSFCV) {
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runTest(lastContinuousFCV);
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}
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