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Example 16 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreMigratorIT method shouldComputeTheLastTxLogPositionCorrectly.

@Test
public void shouldComputeTheLastTxLogPositionCorrectly() throws Throwable {
    // GIVEN a legacy database
    File storeDirectory = directory.graphDbDir();
    File prepare = directory.directory("prepare");
    MigrationTestUtils.prepareSampleLegacyDatabase(version, fs, storeDirectory, prepare);
    // and a state of the migration saying that it has done the actual migration
    LogService logService = NullLogService.getInstance();
    PageCache pageCache = pageCacheRule.getPageCache(fs);
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fs, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fs), selectFormat());
    String versionToMigrateFrom = upgradableDatabase.checkUpgradeable(storeDirectory).storeVersion();
    SilentMigrationProgressMonitor progressMonitor = new SilentMigrationProgressMonitor();
    StoreMigrator migrator = new StoreMigrator(fs, pageCache, CONFIG, logService, schemaIndexProvider);
    File migrationDir = new File(storeDirectory, StoreUpgrader.MIGRATION_DIRECTORY);
    fs.mkdirs(migrationDir);
    // WHEN migrating
    migrator.migrate(storeDirectory, migrationDir, progressMonitor.startSection("section"), versionToMigrateFrom, upgradableDatabase.currentVersion());
    // THEN it should compute the correct last tx log position
    assertEquals(expectedLogPosition, migrator.readLastTxLogPosition(migrationDir));
}
Also used : StoreVersionCheck(org.neo4j.kernel.impl.storemigration.StoreVersionCheck) LegacyStoreVersionCheck(org.neo4j.kernel.impl.storemigration.legacystore.LegacyStoreVersionCheck) UpgradableDatabase(org.neo4j.kernel.impl.storemigration.UpgradableDatabase) LegacyStoreVersionCheck(org.neo4j.kernel.impl.storemigration.legacystore.LegacyStoreVersionCheck) File(java.io.File) SilentMigrationProgressMonitor(org.neo4j.kernel.impl.storemigration.monitoring.SilentMigrationProgressMonitor) LogService(org.neo4j.kernel.impl.logging.LogService) NullLogService(org.neo4j.kernel.impl.logging.NullLogService) PageCache(org.neo4j.io.pagecache.PageCache) Test(org.junit.Test)

Example 17 with UpgradableDatabase

use of org.neo4j.kernel.impl.storemigration.UpgradableDatabase in project neo4j by neo4j.

the class StoreMigratorIT method shouldBeAbleToResumeMigrationOnRebuildingCounts.

@Test
public void shouldBeAbleToResumeMigrationOnRebuildingCounts() throws Exception {
    // GIVEN a legacy database
    File storeDirectory = directory.graphDbDir();
    File prepare = directory.directory("prepare");
    MigrationTestUtils.prepareSampleLegacyDatabase(version, fs, storeDirectory, prepare);
    // and a state of the migration saying that it has done the actual migration
    LogService logService = NullLogService.getInstance();
    PageCache pageCache = pageCacheRule.getPageCache(fs);
    UpgradableDatabase upgradableDatabase = new UpgradableDatabase(fs, new StoreVersionCheck(pageCache), new LegacyStoreVersionCheck(fs), selectFormat());
    String versionToMigrateFrom = upgradableDatabase.checkUpgradeable(storeDirectory).storeVersion();
    SilentMigrationProgressMonitor progressMonitor = new SilentMigrationProgressMonitor();
    StoreMigrator migrator = new StoreMigrator(fs, pageCache, CONFIG, logService, schemaIndexProvider);
    File migrationDir = new File(storeDirectory, StoreUpgrader.MIGRATION_DIRECTORY);
    fs.mkdirs(migrationDir);
    migrator.migrate(storeDirectory, migrationDir, progressMonitor.startSection("section"), versionToMigrateFrom, upgradableDatabase.currentVersion());
    migrator.moveMigratedFiles(migrationDir, storeDirectory, versionToMigrateFrom, upgradableDatabase.currentVersion());
    // WHEN simulating resuming the migration
    progressMonitor = new SilentMigrationProgressMonitor();
    migrator = new StoreMigrator(fs, pageCache, CONFIG, logService, schemaIndexProvider);
    migrator.rebuildCounts(storeDirectory, versionToMigrateFrom, upgradableDatabase.currentVersion());
    // THEN starting the new store should be successful
    StoreFactory storeFactory = new StoreFactory(storeDirectory, pageCache, fs, logService.getInternalLogProvider());
    storeFactory.openAllNeoStores().close();
}
Also used : StoreVersionCheck(org.neo4j.kernel.impl.storemigration.StoreVersionCheck) LegacyStoreVersionCheck(org.neo4j.kernel.impl.storemigration.legacystore.LegacyStoreVersionCheck) UpgradableDatabase(org.neo4j.kernel.impl.storemigration.UpgradableDatabase) LegacyStoreVersionCheck(org.neo4j.kernel.impl.storemigration.legacystore.LegacyStoreVersionCheck) StoreFactory(org.neo4j.kernel.impl.store.StoreFactory) File(java.io.File) SilentMigrationProgressMonitor(org.neo4j.kernel.impl.storemigration.monitoring.SilentMigrationProgressMonitor) LogService(org.neo4j.kernel.impl.logging.LogService) NullLogService(org.neo4j.kernel.impl.logging.NullLogService) PageCache(org.neo4j.io.pagecache.PageCache) Test(org.junit.Test)

Aggregations

StoreVersionCheck (org.neo4j.kernel.impl.storemigration.StoreVersionCheck)17 UpgradableDatabase (org.neo4j.kernel.impl.storemigration.UpgradableDatabase)17 LegacyStoreVersionCheck (org.neo4j.kernel.impl.storemigration.legacystore.LegacyStoreVersionCheck)17 Test (org.junit.Test)16 PageCache (org.neo4j.io.pagecache.PageCache)16 File (java.io.File)14 SilentMigrationProgressMonitor (org.neo4j.kernel.impl.storemigration.monitoring.SilentMigrationProgressMonitor)8 MigrationTestUtils.truncateFile (org.neo4j.kernel.impl.storemigration.MigrationTestUtils.truncateFile)7 LogService (org.neo4j.kernel.impl.logging.LogService)6 NullLogService (org.neo4j.kernel.impl.logging.NullLogService)6 StoreUpgrader (org.neo4j.kernel.impl.storemigration.StoreUpgrader)6 Matchers.containsString (org.hamcrest.Matchers.containsString)3 StoreFactory (org.neo4j.kernel.impl.store.StoreFactory)3 UnableToUpgradeException (org.neo4j.kernel.impl.storemigration.StoreUpgrader.UnableToUpgradeException)3 StoreMigrator (org.neo4j.kernel.impl.storemigration.participant.StoreMigrator)3 IOException (java.io.IOException)2 FilenameFilter (java.io.FilenameFilter)1 Before (org.junit.Before)1 DelegatingFileSystemAbstraction (org.neo4j.graphdb.mockfs.DelegatingFileSystemAbstraction)1 FileSystemAbstraction (org.neo4j.io.fs.FileSystemAbstraction)1