mirror of https://github.com/mongodb/mongo
38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
/**
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* Tests that if chaining is disabled, enabling the server parameter
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* 'enableOverrideClusterChainingSetting' will allow the node to chain anyway.
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*/
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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let rst = new ReplSetTest({
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nodes: {
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n0: {},
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n1: {rsConfig: {priority: 0}},
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n2: {rsConfig: {priority: 0}, setParameter: {enableOverrideClusterChainingSetting: true}},
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},
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// Enable the periodic noop writer to aid sync source selection.
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nodeOptions: {setParameter: {writePeriodicNoops: true}},
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settings: {chainingAllowed: false},
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useBridge: true,
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});
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rst.startSet();
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rst.initiate();
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const primary = rst.getPrimary();
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rst.awaitSecondaryNodes();
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const [n1, n2] = rst.getSecondaries();
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// Create a network partition between n2 and the primary.
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n2.disconnect(primary);
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// Since n2 has enabled the parameter 'enableOverrideClusterChainingSetting', n2 should eventually
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// chain from n1.
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rst.awaitSyncSource(n2, n1);
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// A write with write concern {w:3} should still reach n2.
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let options = {writeConcern: {w: 3, wtimeout: ReplSetTest.kDefaultTimeoutMS}};
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assert.commandWorked(primary.getDB("admin").foo.insert({x: 1}, options));
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rst.stopSet();
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