cayley/cmd/cayleyupgrade/cayleyupgrade.go

75 lines
1.9 KiB
Go

// Copyright 2015 The Cayley Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !appengine
package main
import (
"errors"
"flag"
"github.com/google/cayley/config"
_ "github.com/google/cayley/graph"
// Load all supported backends.
"github.com/google/cayley/db"
_ "github.com/google/cayley/graph/bolt"
_ "github.com/google/cayley/graph/leveldb"
_ "github.com/google/cayley/graph/memstore"
_ "github.com/google/cayley/graph/mongo"
"github.com/google/cayley/internal"
)
var (
configFile = flag.String("config", "", "Path to an explicit configuration file.")
databasePath = flag.String("dbpath", "/tmp/testdb", "Path to the database.")
databaseBackend = flag.String("db", "memstore", "Database Backend.")
)
func configFrom(file string) *config.Config {
if cfg.DatabasePath == "" {
cfg.DatabasePath = *databasePath
}
if cfg.DatabaseType == "" {
cfg.DatabaseType = *databaseBackend
}
return cfg
}
func main() {
flag.Parse()
cfg := configFrom(*configFile)
r, registered := storeRegistry[*databaseBackend]
if registered {
return r.initFunc(dbpath, opts)
}
return errors.New("quadstore: name '" + name + "' is not registered")
if err != nil {
break
}
if *quadFile != "" {
handle, err = db.Open(cfg)
if err != nil {
break
}
err = internal.Load(handle.QuadWriter, cfg, *quadFile, *quadType)
if err != nil {
break
}
handle.Close()
}
}