renaming server/version to server/storage. version was a bad name I picked late at night

cmd/notary-server/main.go

@@ -19,7 +19,7 @@ import (
 
 	"github.com/docker/notary/config"
 	"github.com/docker/notary/server"
-	"github.com/docker/notary/server/version"
+	"github.com/docker/notary/server/storage"
 	"github.com/docker/notary/signer"
 )
 
@@ -77,7 +77,7 @@ func main() {
 		logrus.Fatal("Error starting DB driver: ", err.Error())
 		return // not strictly needed but let's be explicit
 	}
-	ctx = context.WithValue(ctx, "versionStore", version.NewVersionDB(db))
+	ctx = context.WithValue(ctx, "versionStore", storage.NewMySQLStorage(db))
 	for {
 		logrus.Info("[Notary Server] Starting Server")
 		childCtx, cancel := context.WithCancel(ctx)

server/handlers/default.go

@@ -12,7 +12,7 @@ import (
 	"golang.org/x/net/context"
 
 	"github.com/docker/notary/errors"
-	"github.com/docker/notary/server/version"
+	"github.com/docker/notary/server/storage"
 )
 
 // MainHandler is the default handler for the server
@@ -44,7 +44,7 @@ func UpdateHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)
 			Err:        fmt.Errorf("Version store is nil"),
 		}
 	}
-	store, ok := s.(*version.VersionDB)
+	store, ok := s.(*storage.MySQLStorage)
 	if !ok {
 		return &errors.HTTPError{
 			HTTPStatus: http.StatusInternalServerError,
@@ -87,7 +87,7 @@ func UpdateHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)
 // GetHandler accepts urls in the form /<imagename>/<tuf file>.json
 func GetHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) *errors.HTTPError {
 	s := ctx.Value("versionStore")
-	store, ok := s.(*version.VersionDB)
+	store, ok := s.(*storage.MySQLStorage)
 	if !ok {
 		return &errors.HTTPError{
 			HTTPStatus: http.StatusInternalServerError,

server/storage/database.go

@@ -1,12 +1,11 @@
-// version implementes a versioned store for TUF metadata
-package version
+package storage
 
 import (
 	"database/sql"
 	"fmt"
 )
 
-// VersionDB implements a versioned store using a relational database.
+// MySQLStorage implements a versioned store using a relational database.
 // The database table must look like:
 // CREATE TABLE `tuf_files` (
 //   `id` INT AUTO_INCREMENT,
@@ -17,19 +16,19 @@ import (
 //   PRIMARY KEY (`id`)
 //   UNIQUE INDEX (`qdn`, `role`, `version`)
 // ) DEFAULT CHARSET=utf8;
-type VersionDB struct {
+type MySQLStorage struct {
 	sql.DB
 }
 
-func NewVersionDB(db *sql.DB) *VersionDB {
-	return &VersionDB{
+func NewMySQLStorage(db *sql.DB) *MySQLStorage {
+	return &MySQLStorage{
 		DB: *db,
 	}
 }
 
 // Update multiple TUF records in a single transaction.
 // Always insert a new row. The unique constraint will ensure there is only ever
-func (vdb *VersionDB) UpdateCurrent(qdn, role string, version int, data []byte) error {
+func (vdb *MySQLStorage) UpdateCurrent(qdn, role string, version int, data []byte) error {
 	checkStmt := "SELECT count(*) FROM `tuf_files` WHERE `qdn`=? AND `role`=? AND `version`>=?;"
 	insertStmt := "INSERT INTO `tuf_files` (`qdn`, `role`, `version`, `data`) VALUES (?,?,?,?) ;"
 
@@ -55,7 +54,7 @@ func (vdb *VersionDB) UpdateCurrent(qdn, role string, version int, data []byte)
 }
 
 // Get a specific TUF record
-func (vdb *VersionDB) GetCurrent(qdn, tufRole string) (data []byte, err error) {
+func (vdb *MySQLStorage) GetCurrent(qdn, tufRole string) (data []byte, err error) {
 	stmt := "SELECT `data` FROM `tuf_files` WHERE `qdn`=? AND `role`=? ORDER BY `version` DESC LIMIT 1;"
 	rows, err := vdb.Query(stmt, qdn, tufRole) // this should be a QueryRow()
 	if err != nil {