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147 lines
3.8 KiB
JavaScript
147 lines
3.8 KiB
JavaScript
/**
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* Tests that --repair on WiredTiger correctly and gracefully handles missing data files and
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* directories.
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*
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* @tags: [requires_wiredtiger]
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*/
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(function() {
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load('jstests/disk/libs/wt_file_helper.js');
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const baseName = "wt_repair_missing_files";
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const collName = "test";
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const dbpath = MongoRunner.dataPath + baseName + "/";
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resetDbpath(dbpath);
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/**
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* Test 1. Create a collection, delete it's .wt file, run repair. Verify that repair succeeds at
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* re-creating it. The collection should be visible on normal startup.
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*/
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let mongod = startMongodOnExistingPath(dbpath);
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let testColl = mongod.getDB(baseName)[collName];
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const doc = {
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a: 1
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};
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assert.commandWorked(testColl.insert(doc));
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let testCollUri = getUriForColl(testColl);
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let testCollFile = dbpath + testCollUri + ".wt";
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MongoRunner.stopMongod(mongod);
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jsTestLog("deleting collection file: " + testCollFile);
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removeFile(testCollFile);
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assertRepairSucceeds(dbpath, mongod.port);
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mongod = startMongodOnExistingPath(dbpath);
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testColl = mongod.getDB(baseName)[collName];
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assert.eq(testCollUri, getUriForColl(testColl));
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assert.eq(testColl.find({}).itcount(), 0);
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assert.eq(testColl.count(), 0);
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/**
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* Test 2. Delete an index file. Verify that repair rebuilds and allows MongoDB to start up
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* normally.
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*/
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assert.commandWorked(testColl.insert(doc));
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const indexName = "a_1";
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assert.commandWorked(testColl.createIndex({a: 1}, {name: indexName}));
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assertQueryUsesIndex(testColl, doc, indexName);
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let indexUri = getUriForIndex(testColl, indexName);
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MongoRunner.stopMongod(mongod);
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let indexFile = dbpath + indexUri + ".wt";
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jsTestLog("deleting index file: " + indexFile);
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removeFile(indexFile);
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assertRepairSucceeds(dbpath, mongod.port);
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mongod = startMongodOnExistingPath(dbpath);
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testColl = mongod.getDB(baseName)[collName];
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// Repair creates new idents.
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assert.neq(indexUri, getUriForIndex(testColl, indexName));
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assertQueryUsesIndex(testColl, doc, indexName);
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assert.eq(testColl.find(doc).itcount(), 1);
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assert.eq(testColl.count(), 1);
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MongoRunner.stopMongod(mongod);
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/**
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* Test 3. Delete the sizeStorer. Verify that repair suceeds in recreating it.
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*/
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let sizeStorerFile = dbpath + "sizeStorer.wt";
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jsTestLog("deleting size storer file: " + sizeStorerFile);
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removeFile(sizeStorerFile);
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assertRepairSucceeds(dbpath, mongod.port);
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mongod = startMongodOnExistingPath(dbpath);
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testColl = mongod.getDB(baseName)[collName];
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assert.eq(testColl.find(doc).itcount(), 1);
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assert.eq(testColl.count(), 1);
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MongoRunner.stopMongod(mongod);
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/**
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* Test 4. Delete the _mdb_catalog. Verify that repair suceeds in creating an empty catalog and
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* MongoDB starts up normally with no data.
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*/
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let mdbCatalogFile = dbpath + "_mdb_catalog.wt";
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jsTestLog("deleting catalog file: " + mdbCatalogFile);
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removeFile(mdbCatalogFile);
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assertRepairSucceeds(dbpath, mongod.port);
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mongod = startMongodOnExistingPath(dbpath);
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testColl = mongod.getDB(baseName)[collName];
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assert.isnull(testColl.exists());
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assert.eq(testColl.find(doc).itcount(), 0);
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assert.eq(testColl.count(), 0);
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/**
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* Test 5. Verify that using repair with --directoryperdb creates a missing directory and its
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* files, allowing MongoDB to start up normally.
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*/
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MongoRunner.stopMongod(mongod);
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resetDbpath(dbpath);
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mongod = startMongodOnExistingPath(dbpath, {directoryperdb: ""});
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testColl = mongod.getDB(baseName)[collName];
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assert.commandWorked(testColl.insert(doc));
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testCollUri = getUriForColl(testColl);
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MongoRunner.stopMongod(mongod);
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let dataDir = dbpath + baseName;
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jsTestLog("deleting data directory: " + dataDir);
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removeFile(dataDir);
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assertRepairSucceeds(dbpath, mongod.port, {directoryperdb: ""});
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mongod = startMongodOnExistingPath(dbpath, {directoryperdb: ""});
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testColl = mongod.getDB(baseName)[collName];
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assert.eq(testCollUri, getUriForColl(testColl));
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assert.eq(testColl.find({}).itcount(), 0);
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assert.eq(testColl.count(), 0);
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MongoRunner.stopMongod(mongod);
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})();
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