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config.go
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config.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package metainfo
import (
"go.uber.org/zap"
"storj.io/storj/internal/dbutil"
"storj.io/storj/internal/memory"
"storj.io/storj/storage"
"storj.io/storj/storage/boltdb"
"storj.io/storj/storage/postgreskv"
)
const (
// BoltPointerBucket is the string representing the bucket used for `PointerEntries` in BoltDB
BoltPointerBucket = "pointers"
)
// Config is a configuration struct that is everything you need to start a metainfo
type Config struct {
DatabaseURL string `help:"the database connection string to use" releaseDefault:"postgres://" devDefault:"bolt://$CONFDIR/pointerdb.db"`
MinRemoteSegmentSize memory.Size `default:"1240" help:"minimum remote segment size"`
MaxInlineSegmentSize memory.Size `default:"8000" help:"maximum inline segment size"`
Overlay bool `default:"true" help:"toggle flag if overlay is enabled"`
BwExpiration int `default:"45" help:"lifespan of bandwidth agreements in days"`
}
// NewStore returns database for storing pointer data
func NewStore(logger *zap.Logger, dbURLString string) (db storage.KeyValueStore, err error) {
driver, source, err := dbutil.SplitConnstr(dbURLString)
if err != nil {
return nil, err
}
if driver == "bolt" {
db, err = boltdb.New(source, BoltPointerBucket)
} else if driver == "postgresql" || driver == "postgres" {
db, err = postgreskv.New(source)
} else {
err = Error.New("unsupported db scheme: %s", driver)
}
logger.Debug("Connected to:", zap.String("db source", source))
return db, err
}