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option.go
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option.go
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//
// Copyright (C) 2019-2021 vdaas.org vald team <vald@vdaas.org>
//
// 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
//
// https://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.
//
// Package restorer provides restorer service
package restorer
import (
"github.com/vdaas/vald/internal/backoff"
"github.com/vdaas/vald/internal/errgroup"
"github.com/vdaas/vald/pkg/agent/sidecar/service/storage"
)
type Option func(r *restorer) error
var defaultOptions = []Option{
WithErrGroup(errgroup.Get()),
WithBackoff(false),
}
func WithErrGroup(eg errgroup.Group) Option {
return func(r *restorer) error {
if eg != nil {
r.eg = eg
}
return nil
}
}
func WithDir(dir string) Option {
return func(r *restorer) error {
if dir == "" {
return nil
}
r.dir = dir
return nil
}
}
func WithBlobStorage(storage storage.Storage) Option {
return func(r *restorer) error {
if storage != nil {
r.storage = storage
}
return nil
}
}
func WithBackoff(enabled bool) Option {
return func(r *restorer) error {
r.backoffEnabled = enabled
return nil
}
}
func WithBackoffOpts(opts ...backoff.Option) Option {
return func(r *restorer) error {
if r.backoffOpts == nil {
r.backoffOpts = opts
}
r.backoffOpts = append(r.backoffOpts, opts...)
return nil
}
}