Golang serverconfig.Config類代碼示例

func GenerateServerConfig(keyId string) (m *serverconfig.Config) {
	conf := serverconfig.Config{
		Listen:      ":3179",
		HTTPS:       false,
		Auth:        "localhost",
		ReplicateTo: make([]interface{}, 0),
	}
	conf.Identity = keyId
	conf.IdentitySecretRing = "/dev/null"

	//low_conf, err = genLowLevelConfig(&conf)
	m = &conf
	return
}

func newDefaultConfigFile(path string) error {
	conf := serverconfig.Config{
		Listen:      defaultListenAddr,
		HTTPS:       false,
		Auth:        "localhost",
		ReplicateTo: make([]interface{}, 0),
	}
	blobDir := osutil.CamliBlobRoot()
	if err := os.MkdirAll(blobDir, 0700); err != nil {
		return fmt.Errorf("Could not create default blobs directory: %v", err)
	}
	conf.BlobPath = blobDir
	if sqlite.CompiledIn() {
		conf.SQLite = filepath.Join(osutil.CamliVarDir(), "camli-index.db")
		if fi, err := os.Stat(conf.SQLite); os.IsNotExist(err) || (fi != nil && fi.Size() == 0) {
			if err := initSQLiteDB(conf.SQLite); err != nil {
				log.Printf("Error initializing DB %s: %v", conf.SQLite, err)
			}
		}
	} else {
		conf.KVFile = filepath.Join(osutil.CamliVarDir(), "camli-index.kvdb")
	}

	var keyId string
	secRing := osutil.IdentitySecretRing()
	_, err := os.Stat(secRing)
	switch {
	case err == nil:
		keyId, err = jsonsign.KeyIdFromRing(secRing)
		if err != nil {
			return fmt.Errorf("Could not find any keyId in file %q: %v", secRing, err)
		}
		log.Printf("Re-using identity with keyId %q found in file %s", keyId, secRing)
	case os.IsNotExist(err):
		keyId, err = jsonsign.GenerateNewSecRing(secRing)
		if err != nil {
			return fmt.Errorf("Could not generate new secRing at file %q: %v", secRing, err)
		}
		log.Printf("Generated new identity with keyId %q in file %s", keyId, secRing)
	}
	if err != nil {
		return fmt.Errorf("Could not stat secret ring %q: %v", secRing, err)
	}
	conf.Identity = keyId
	conf.IdentitySecretRing = secRing

	confData, err := json.MarshalIndent(conf, "", "    ")
	if err != nil {
		return fmt.Errorf("Could not json encode config file : %v", err)
	}

	if err := ioutil.WriteFile(path, confData, 0600); err != nil {
		return fmt.Errorf("Could not create or write default server config: %v", err)
	}

	return nil
}

// genLowLevelConfig returns a low-level config from a high-level config.
func genLowLevelConfig(conf *serverconfig.Config) (lowLevelConf *Config, err error) {
	obj := jsonconfig.Obj{}
	if conf.HTTPS {
		if (conf.HTTPSCert != "") != (conf.HTTPSKey != "") {
			return nil, errors.New("Must set both httpsCert and httpsKey (or neither to generate a self-signed cert)")
		}
		if conf.HTTPSCert != "" {
			obj["httpsCert"] = conf.HTTPSCert
			obj["httpsKey"] = conf.HTTPSKey
		} else {
			obj["httpsCert"] = osutil.DefaultTLSCert()
			obj["httpsKey"] = osutil.DefaultTLSKey()
		}
	}

	if conf.BaseURL != "" {
		u, err := url.Parse(conf.BaseURL)
		if err != nil {
			return nil, fmt.Errorf("Error parsing baseURL %q as a URL: %v", conf.BaseURL, err)
		}
		if u.Path != "" && u.Path != "/" {
			return nil, fmt.Errorf("baseURL can't have a path, only a scheme, host, and optional port.")
		}
		u.Path = ""
		obj["baseURL"] = u.String()
	}
	if conf.Listen != "" {
		obj["listen"] = conf.Listen
	}
	obj["https"] = conf.HTTPS
	obj["auth"] = conf.Auth

	username := ""
	if conf.DBName == "" {
		username = osutil.Username()
		if username == "" {
			return nil, fmt.Errorf("USER (USERNAME on windows) env var not set; needed to define dbname")
		}
		conf.DBName = "camli" + username
	}

	var indexerPath string
	numIndexers := numSet(conf.Mongo, conf.MySQL, conf.PostgreSQL, conf.SQLite, conf.KVFile)
	runIndex := conf.RunIndex.Get()
	switch {
	case runIndex && numIndexers == 0:
		return nil, fmt.Errorf("Unless runIndex is set to false, you must specify an index option (kvIndexFile, mongo, mysql, postgres, sqlite).")
	case runIndex && numIndexers != 1:
		return nil, fmt.Errorf("With runIndex set true, you can only pick exactly one indexer (mongo, mysql, postgres, sqlite).")
	case !runIndex && numIndexers != 0:
		return nil, fmt.Errorf("With runIndex disabled, you can't specify any of mongo, mysql, postgres, sqlite.")
	case conf.MySQL != "":
		indexerPath = "/index-mysql/"
	case conf.PostgreSQL != "":
		indexerPath = "/index-postgres/"
	case conf.Mongo != "":
		indexerPath = "/index-mongo/"
	case conf.SQLite != "":
		indexerPath = "/index-sqlite/"
	case conf.KVFile != "":
		indexerPath = "/index-kv/"
	}

	entity, err := jsonsign.EntityFromSecring(conf.Identity, conf.IdentitySecretRing)
	if err != nil {
		return nil, err
	}
	armoredPublicKey, err := jsonsign.ArmoredPublicKey(entity)
	if err != nil {
		return nil, err
	}

	nolocaldisk := conf.BlobPath == ""
	if nolocaldisk {
		if conf.S3 == "" && conf.GoogleCloudStorage == "" {
			return nil, errors.New("You need at least one of blobPath (for localdisk) or s3 or googlecloudstorage configured for a blobserver.")
		}
		if conf.S3 != "" && conf.GoogleCloudStorage != "" {
			return nil, errors.New("Using S3 as a primary storage and Google Cloud Storage as a mirror is not supported for now.")
		}
	}

	if conf.ShareHandler && conf.ShareHandlerPath == "" {
		conf.ShareHandlerPath = "/share/"
	}

	prefixesParams := &configPrefixesParams{
		secretRing:       conf.IdentitySecretRing,
		keyId:            conf.Identity,
		indexerPath:      indexerPath,
		blobPath:         conf.BlobPath,
		packBlobs:        conf.PackBlobs,
		searchOwner:      blob.SHA1FromString(armoredPublicKey),
		shareHandlerPath: conf.ShareHandlerPath,
		flickr:           conf.Flickr,
		memoryIndex:      conf.MemoryIndex.Get(),
	}

	prefixes := genLowLevelPrefixes(prefixesParams, conf.OwnerName)
//.........這裏部分代碼省略.........