57 lines
2.2 KiB
JavaScript
57 lines
2.2 KiB
JavaScript
/**
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* Test unfinished 4.2-style two phase drop can be handled in a restart with 4.0 binary.
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*
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* TODO: Remove this test in MongoDB 4.4 once upgrade & downgrade binaries both use the 4.2-style
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* two phase drop.
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*/
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(function() {
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"use strict";
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TestData.skipCheckDBHashes = true; // Skip db hashes when restarting the replset.
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load("jstests/libs/feature_compatibility_version.js");
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load("jstests/replsets/libs/two_phase_drops.js"); // For 'TwoPhaseDropCollectionTest'.
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const rst = new ReplSetTest({nodes: 2});
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rst.startSet();
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rst.initiate();
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const dbName = "test";
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const collName = "a";
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assert.commandWorked(rst.getPrimary().adminCommand({setFeatureCompatibilityVersion: "4.0"}));
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rst.stopSet(null, true /* forRestart */);
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rst.startSet({restart: true});
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// Make sure collection creation is checkpointed.
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assert.commandWorked(rst.getPrimary().getDB(dbName).runCommand(
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{insert: collName, documents: [{x: 0}], writeConcern: {w: 2}}));
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assert.commandWorked(rst.getPrimary().getDB("admin").runCommand({fsync: 1}));
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// Stop secondary's oplog application so the dropCollection can never be committed.
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assert.commandWorked(
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rst.getSecondary().adminCommand({configureFailPoint: "rsSyncApplyStop", mode: "alwaysOn"}));
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assert.commandWorked(rst.getPrimary().getDB(dbName).runCommand({drop: collName}));
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// Wait until the first phase (renaming) is done on the primary.
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assert.soon(function() {
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let res = rst.getPrimary().getDB("local").oplog.rs.find({o: {drop: collName}}).toArray();
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jsTestLog("dropCollection oplog: " + tojson(res));
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return res.length === 1;
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});
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// Kill the 4.2 replica set.
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rst.stopSet(9 /* signal */,
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true /* forRestart */,
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{skipValidation: true, allowedExitCode: MongoRunner.EXIT_SIGKILL});
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// Restart the replica set with 4.0 binaries.
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rst.startSet({restart: true, binVersion: "4.0"});
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assert.soon(function() {
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let res = TwoPhaseDropCollectionTest.listCollections(rst.getPrimary().getDB(dbName));
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jsTestLog("Collections in \'" + dbName + "\': " + tojson(res));
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return res.length === 0;
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});
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rst.stopSet();
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})();
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