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option.go
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option.go
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//
// Copyright (C) 2019-2023 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 storage provides blob storage service
package storage
import (
"github.com/vdaas/vald/internal/db/storage/blob/cloudstorage"
"github.com/vdaas/vald/internal/db/storage/blob/cloudstorage/urlopener"
"github.com/vdaas/vald/internal/db/storage/blob/s3"
"github.com/vdaas/vald/internal/db/storage/blob/s3/session"
"github.com/vdaas/vald/internal/errgroup"
)
type Option func(b *bs) error
var defaultOptions = []Option{
WithErrGroup(errgroup.Get()),
WithCompressAlgorithm("gzip"),
WithCompressionLevel(-1),
WithFilenameSuffix(".tar.gz"),
}
func WithErrGroup(eg errgroup.Group) Option {
return func(b *bs) error {
b.eg = eg
return nil
}
}
func WithType(bst string) Option {
return func(b *bs) error {
b.storageType = bst
return nil
}
}
func WithBucketName(bn string) Option {
return func(b *bs) error {
b.bucketName = bn
return nil
}
}
func WithFilename(fn string) Option {
return func(b *bs) error {
b.filename = fn
return nil
}
}
func WithFilenameSuffix(sf string) Option {
return func(b *bs) error {
b.suffix = sf
return nil
}
}
func WithS3Opts(opts ...s3.Option) Option {
return func(b *bs) error {
if b.s3Opts == nil {
b.s3Opts = opts
return nil
}
b.s3Opts = append(b.s3Opts, opts...)
return nil
}
}
func WithS3SessionOpts(opts ...session.Option) Option {
return func(b *bs) error {
if b.s3SessionOpts == nil {
b.s3SessionOpts = opts
return nil
}
b.s3SessionOpts = append(b.s3SessionOpts, opts...)
return nil
}
}
func WithCloudStorageOpts(opts ...cloudstorage.Option) Option {
return func(b *bs) error {
if b.cloudStorageOpts == nil {
b.cloudStorageOpts = opts
}
b.cloudStorageOpts = append(b.cloudStorageOpts, opts...)
return nil
}
}
func WithCloudStorageURLOpenerOpts(opts ...urlopener.Option) Option {
return func(b *bs) error {
if b.cloudStorageURLOpenerOpts == nil {
b.cloudStorageURLOpenerOpts = opts
}
b.cloudStorageURLOpenerOpts = append(b.cloudStorageURLOpenerOpts, opts...)
return nil
}
}
func WithCompressAlgorithm(al string) Option {
return func(b *bs) error {
b.compressAlgorithm = al
return nil
}
}
func WithCompressionLevel(level int) Option {
return func(b *bs) error {
b.compressionLevel = level
return nil
}
}