private/testplanet: disable WAL for storagenodes

Change-Id: I1be4f7901c830e829118afeb90f04b87df555459

private/testplanet/storagenode.go

@@ -226,6 +226,8 @@ func (planet *Planet) newStorageNode(ctx context.Context, prefix string, index,
 
 	verisonInfo := planet.NewVersionInfo()
 
+	dbconfig := config.DatabaseConfig()
+	dbconfig.TestingDisableWAL = true
 	var db storagenode.DB
 	db, err = storagenodedbtest.OpenNew(ctx, log.Named("db"), config.DatabaseConfig())
 	if err != nil {

storagenode/storagenodedb/database.go

@@ -83,6 +83,8 @@ type Config struct {
 	Driver    string // if unset, uses sqlite3
 	Pieces    string
 	Filestore filestore.Config
+
+	TestingDisableWAL bool
 }
 
 // DB contains access to different database tables.
@@ -319,7 +321,12 @@ func (db *DB) openDatabase(ctx context.Context, dbName string) error {
 		return ErrDatabase.Wrap(err)
 	}
 
-	sqlDB, err := tagsql.Open(ctx, driver, "file:"+path+"?_journal=WAL&_busy_timeout=10000")
+	wal := "&_journal=WAL"
+	if db.config.TestingDisableWAL {
+		wal = "&_journal=MEMORY"
+	}
+
+	sqlDB, err := tagsql.Open(ctx, driver, "file:"+path+"?_busy_timeout=10000"+wal)
 	if err != nil {
 		return ErrDatabase.New("%s opening file %q failed: %w", dbName, path, err)
 	}

storagenode/storagenodedb/schemagen/main.go

@@ -71,6 +71,8 @@ func runSchemaGen(ctx context.Context, log *zap.Logger) (_ []byte, err error) {
 		Info:    filepath.Join(storagePath, "piecestore.db"),
 		Info2:   filepath.Join(storagePath, "info.db"),
 		Pieces:  storagePath,
+
+		TestingDisableWAL: true,
 	})
 	if err != nil {
 		return nil, errs.New("Error creating new storagenode db: %+w", err)

storagenode/storagenodedb/storagenodedbtest/gensnapshot/main.go

@@ -50,6 +50,8 @@ func run(ctx context.Context, outFile string) error {
 		Info:    filepath.Join(tempDir, "piecestore.db"),
 		Info2:   filepath.Join(tempDir, "info.db"),
 		Pieces:  tempDir,
+
+		TestingDisableWAL: true,
 	}
 
 	db, err := storagenodedb.OpenNew(ctx, log, cfg)

storagenode/storagenodedb/storagenodedbtest/run.go

@@ -41,6 +41,8 @@ func Run(t *testing.T, test func(ctx *testcontext.Context, t *testing.T, db stor
 			Info2:   filepath.Join(storageDir, "info.db"),
 			Driver:  "sqlite3+utccheck",
 			Pieces:  storageDir,
+
+			TestingDisableWAL: true,
 		}
 
 		db, err := OpenNew(ctx, log, cfg)