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cache.go
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cache.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package live
import (
"strings"
"github.com/zeebo/errs"
"go.uber.org/zap"
"gopkg.in/spacemonkeygo/monkit.v2"
"storj.io/storj/satellite/accounting"
)
var (
// Error is the default error class for live-accounting
Error = errs.Class("live-accounting")
mon = monkit.Package()
)
// Config contains configurable values for the live accounting service.
type Config struct {
StorageBackend string `help:"what to use for storing real-time accounting data"`
}
// NewCache creates a new accounting.Cache instance using the type specified backend in
// the provided config.
func NewCache(log *zap.Logger, config Config) (accounting.Cache, error) {
parts := strings.SplitN(config.StorageBackend, ":", 2)
var backendType string
if len(parts) == 0 || parts[0] == "" {
return nil, Error.New("please specify a backend for live accounting")
}
backendType = parts[0]
switch backendType {
case "redis":
return newRedisLiveAccounting(log, config.StorageBackend)
default:
return nil, Error.New("unrecognized live accounting backend specifier %q. Currently only redis is supported", backendType)
}
}