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80 lines
2.2 KiB
80 lines
2.2 KiB
// Copyright 2015 The Cayley Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build !appengine
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package main
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import (
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"flag"
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"fmt"
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"os"
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"github.com/barakmich/glog"
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"github.com/google/cayley/graph"
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"github.com/google/cayley/internal/config"
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// Load all supported backends.
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_ "github.com/google/cayley/graph/bolt"
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_ "github.com/google/cayley/graph/leveldb"
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_ "github.com/google/cayley/graph/memstore"
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_ "github.com/google/cayley/graph/mongo"
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)
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var (
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configFile = flag.String("config", "", "Path to an explicit configuration file.")
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databasePath = flag.String("dbpath", "/tmp/testdb", "Path to the database.")
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databaseBackend = flag.String("db", "memstore", "Database Backend.")
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)
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func configFrom(file string) *config.Config {
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// Find the file...
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if file != "" {
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if _, err := os.Stat(file); os.IsNotExist(err) {
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glog.Fatalln("Cannot find specified configuration file", file, ", aborting.")
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}
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} else if _, err := os.Stat(os.Getenv("CAYLEY_CFG")); err == nil {
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file = os.Getenv("CAYLEY_CFG")
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} else if _, err := os.Stat("/etc/cayley.cfg"); err == nil {
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file = "/etc/cayley.cfg"
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}
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if file == "" {
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glog.Infoln("Couldn't find a config file in either $CAYLEY_CFG or /etc/cayley.cfg. Going by flag defaults only.")
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}
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cfg, err := config.Load(file)
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if err != nil {
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glog.Fatalln(err)
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}
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if cfg.DatabasePath == "" {
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cfg.DatabasePath = *databasePath
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}
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if cfg.DatabaseType == "" {
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cfg.DatabaseType = *databaseBackend
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}
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return cfg
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}
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func main() {
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flag.Parse()
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cfg := configFrom(*configFile)
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err := graph.UpgradeQuadStore(cfg.DatabaseType, cfg.DatabasePath, nil)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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