portal/storage/storage.go

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package storage
import (
"bytes"
"context"
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"errors"
"fmt"
"io"
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"math"
"net/http"
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"sort"
"time"
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"git.lumeweb.com/LumeWeb/portal/db/models"
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"github.com/aws/aws-sdk-go-v2/service/s3/types"
"github.com/docker/go-units"
"github.com/aws/aws-sdk-go-v2/aws"
awsConfig "github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/credentials"
"github.com/aws/aws-sdk-go-v2/service/s3"
"git.lumeweb.com/LumeWeb/portal/config"
"go.uber.org/fx"
"go.sia.tech/renterd/api"
"git.lumeweb.com/LumeWeb/portal/metadata"
"go.uber.org/zap"
"git.lumeweb.com/LumeWeb/portal/bao"
"gorm.io/gorm"
"git.lumeweb.com/LumeWeb/portal/renter"
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)
const PROOF_EXTENSION = ".obao"
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const S3_MULTIPART_MAX_PARTS = 9500
const S3_MULTIPART_MIN_PART_SIZE = uint64(5 * units.MiB)
var _ StorageService = (*StorageServiceDefault)(nil)
type FileNameEncoderFunc func([]byte) string
type StorageProtocol interface {
Name() string
EncodeFileName([]byte) string
}
var Module = fx.Module("storage",
fx.Provide(
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fx.Annotate(
NewStorageService,
fx.As(new(StorageService)),
),
),
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)
type StorageService interface {
UploadObject(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, muParams *renter.MultiPartUploadParams, proof *bao.Result) (*metadata.UploadMetadata, error)
UploadObjectProof(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, proof *bao.Result) error
HashObject(ctx context.Context, data io.Reader) (*bao.Result, error)
DownloadObject(ctx context.Context, protocol StorageProtocol, objectHash []byte, start int64) (io.ReadCloser, error)
DownloadObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) (io.ReadCloser, error)
DeleteObject(ctx context.Context, protocol StorageProtocol, objectHash []byte) error
DeleteObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) error
S3Client(ctx context.Context) (*s3.Client, error)
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S3MultipartUpload(ctx context.Context, data io.ReadCloser, bucket, key string, size uint64) error
}
type StorageServiceDefault struct {
config *config.Manager
db *gorm.DB
renter *renter.RenterDefault
logger *zap.Logger
metadata metadata.MetadataService
}
type StorageServiceParams struct {
fx.In
Config *config.Manager
Db *gorm.DB
Renter *renter.RenterDefault
Logger *zap.Logger
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Metadata metadata.MetadataService
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}
func NewStorageService(params StorageServiceParams) *StorageServiceDefault {
return &StorageServiceDefault{
config: params.Config,
db: params.Db,
renter: params.Renter,
logger: params.Logger,
metadata: params.Metadata,
}
}
func (s StorageServiceDefault) UploadObject(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, muParams *renter.MultiPartUploadParams, proof *bao.Result) (*metadata.UploadMetadata, error) {
readers := make([]io.ReadCloser, 0)
defer func() {
for _, reader := range readers {
err := reader.Close()
if err != nil {
s.logger.Error("error closing reader", zap.Error(err))
}
}
}()
getReader := func() (io.Reader, error) {
if muParams != nil {
muReader, err := muParams.ReaderFactory(0, uint(muParams.Size))
if err != nil {
return nil, err
}
found := false
for _, reader := range readers {
if reader == muReader {
found = true
break
}
}
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if !found {
readers = append(readers, muReader)
}
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return muReader, nil
}
_, err := data.Seek(0, io.SeekStart)
if err != nil {
return nil, err
}
return data, nil
}
reader, err := getReader()
if err != nil {
return nil, err
}
if proof == nil {
hashResult, err := s.HashObject(ctx, reader)
if err != nil {
return nil, err
}
reader, err = getReader()
if err != nil {
return nil, err
}
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proof = hashResult
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}
meta, err := s.metadata.GetUpload(ctx, proof.Hash)
if err == nil {
return &meta, nil
}
mimeBytes := make([]byte, 512)
reader, err = getReader()
if err != nil {
return nil, err
}
_, err = io.ReadFull(reader, mimeBytes)
if err != nil {
return nil, err
}
reader, err = getReader()
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if err != nil {
return nil, err
}
mimeType := http.DetectContentType(mimeBytes)
protocolName := protocol.Name()
err = s.renter.CreateBucketIfNotExists(protocolName)
if err != nil {
return nil, err
}
filename := protocol.EncodeFileName(proof.Hash)
err = s.UploadObjectProof(ctx, protocol, nil, proof)
if err != nil {
return nil, err
}
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uploadMeta := &metadata.UploadMetadata{
Protocol: protocolName,
Hash: proof.Hash,
MimeType: mimeType,
Size: uint64(proof.Length),
}
if muParams != nil {
muParams.FileName = filename
muParams.Bucket = protocolName
err = s.renter.UploadObjectMultipart(ctx, muParams)
if err != nil {
return nil, err
}
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return uploadMeta, nil
}
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err = s.renter.UploadObject(ctx, reader, protocolName, filename)
if err != nil {
return nil, err
}
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return uploadMeta, nil
}
func (s StorageServiceDefault) UploadObjectProof(ctx context.Context, protocol StorageProtocol, data io.ReadSeeker, proof *bao.Result) error {
if proof == nil {
hashResult, err := s.HashObject(ctx, data)
if err != nil {
return err
}
proof = hashResult
}
protocolName := protocol.Name()
err := s.renter.CreateBucketIfNotExists(protocolName)
if err != nil {
return err
}
return s.renter.UploadObject(ctx, bytes.NewReader(proof.Proof), protocolName, s.getProofPath(protocol, proof.Hash))
}
func (s StorageServiceDefault) HashObject(ctx context.Context, data io.Reader) (*bao.Result, error) {
result, err := bao.Hash(data)
if err != nil {
return nil, err
}
return result, nil
}
func (s StorageServiceDefault) DownloadObject(ctx context.Context, protocol StorageProtocol, objectHash []byte, start int64) (io.ReadCloser, error) {
var partialRange api.DownloadRange
upload, err := s.metadata.GetUpload(ctx, objectHash)
if err != nil {
return nil, err
}
if start > 0 {
partialRange = api.DownloadRange{
Offset: start,
Length: int64(upload.Size) - start + 1,
Size: int64(upload.Size),
}
}
object, err := s.renter.GetObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash), api.DownloadObjectOptions{Range: partialRange})
if err != nil {
return nil, err
}
return object.Content, nil
}
func (s StorageServiceDefault) DownloadObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) (io.ReadCloser, error) {
object, err := s.renter.GetObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash)+".bao", api.DownloadObjectOptions{})
if err != nil {
return nil, err
}
return object.Content, nil
}
func (s StorageServiceDefault) DeleteObject(ctx context.Context, protocol StorageProtocol, objectHash []byte) error {
err := s.renter.DeleteObject(ctx, protocol.Name(), protocol.EncodeFileName(objectHash))
if err != nil {
return err
}
return nil
}
func (s StorageServiceDefault) DeleteObjectProof(ctx context.Context, protocol StorageProtocol, objectHash []byte) error {
err := s.renter.DeleteObject(ctx, protocol.Name(), s.getProofPath(protocol, objectHash))
if err != nil {
return err
}
return nil
}
func (s StorageServiceDefault) S3Client(ctx context.Context) (*s3.Client, error) {
customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
if service == s3.ServiceID {
return aws.Endpoint{
URL: s.config.Config().Core.Storage.S3.Endpoint,
SigningRegion: s.config.Config().Core.Storage.S3.Region,
}, nil
}
return aws.Endpoint{}, &aws.EndpointNotFoundError{}
})
cfg, err := awsConfig.LoadDefaultConfig(ctx,
awsConfig.WithRegion("us-east-1"),
awsConfig.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
s.config.Config().Core.Storage.S3.AccessKey,
s.config.Config().Core.Storage.S3.SecretKey,
"",
)),
awsConfig.WithEndpointResolverWithOptions(customResolver),
)
if err != nil {
return nil, err
}
return s3.NewFromConfig(cfg), nil
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}
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func (s StorageServiceDefault) S3MultipartUpload(ctx context.Context, data io.ReadCloser, bucket, key string, size uint64) error {
client, err := s.S3Client(ctx)
if err != nil {
return err
}
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var uploadId string
var lastPartNumber int32
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partSize := S3_MULTIPART_MIN_PART_SIZE
totalParts := int(math.Ceil(float64(size) / float64(partSize)))
if totalParts > S3_MULTIPART_MAX_PARTS {
partSize = size / S3_MULTIPART_MAX_PARTS
totalParts = S3_MULTIPART_MAX_PARTS
}
var completedParts []types.CompletedPart
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var s3Upload models.S3Upload
s3Upload.Bucket = bucket
s3Upload.Key = key
startTime := time.Now()
var totalUploadDuration time.Duration
var currentAverageDuration time.Duration
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ret := s.db.Model(&s3Upload).First(&s3Upload)
if ret.Error != nil {
if !errors.Is(ret.Error, gorm.ErrRecordNotFound) {
return ret.Error
}
} else {
uploadId = s3Upload.UploadID
}
if len(uploadId) > 0 {
parts, err := client.ListParts(ctx, &s3.ListPartsInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
UploadId: aws.String(uploadId),
})
if err != nil {
uploadId = ""
} else {
for _, part := range parts.Parts {
if uint64(*part.Size) == partSize {
if *part.PartNumber > lastPartNumber {
lastPartNumber = *part.PartNumber
completedParts = append(completedParts, types.CompletedPart{
ETag: part.ETag,
PartNumber: part.PartNumber,
})
}
}
}
}
}
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if uploadId == "" {
mu, err := client.CreateMultipartUpload(ctx, &s3.CreateMultipartUploadInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
})
if err != nil {
return err
}
uploadId = *mu.UploadId
s3Upload.UploadID = uploadId
ret = s.db.Save(&s3Upload)
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if ret.Error != nil {
return ret.Error
}
}
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for partNum := 1; partNum <= totalParts; partNum++ {
partStartTime := time.Now()
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partData := make([]byte, partSize)
readSize, err := data.Read(partData)
if err != nil && err != io.EOF {
return err
}
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if partNum <= int(lastPartNumber) {
continue
}
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uploadPartOutput, err := client.UploadPart(ctx, &s3.UploadPartInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
PartNumber: aws.Int32(int32(partNum)),
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UploadId: aws.String(uploadId),
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Body: bytes.NewReader(partData[:readSize]),
})
if err != nil {
// Abort the multipart upload in case of error
_, abortErr := client.AbortMultipartUpload(ctx, &s3.AbortMultipartUploadInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
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UploadId: aws.String(uploadId),
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})
if abortErr != nil {
s.logger.Error("error aborting multipart upload", zap.Error(abortErr))
}
return err
}
completedParts = append(completedParts, types.CompletedPart{
ETag: uploadPartOutput.ETag,
PartNumber: aws.Int32(int32(partNum)),
})
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partDuration := time.Since(partStartTime)
totalUploadDuration += partDuration
currentAverageDuration = totalUploadDuration / time.Duration(partNum)
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eta := time.Duration(int(currentAverageDuration) * (totalParts - partNum))
s.logger.Debug("Completed part", zap.Int("partNum", partNum), zap.Int("totalParts", totalParts), zap.Uint64("partSize", partSize), zap.Int("readSize", readSize), zap.Int("size", int(size)), zap.Int("totalParts", totalParts), zap.Int("partNum", partNum), zap.String("key", key), zap.String("bucket", bucket), zap.Duration("durationMs", partDuration),
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zap.Duration("currentAverageDurationMs", currentAverageDuration), zap.Duration("eta", eta))
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}
// Ensure parts are ordered by part number before completing the upload
sort.Slice(completedParts, func(i, j int) bool {
return *completedParts[i].PartNumber < *completedParts[j].PartNumber
})
_, err = client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
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UploadId: aws.String(uploadId),
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MultipartUpload: &types.CompletedMultipartUpload{
Parts: completedParts,
},
})
if err != nil {
return err
}
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if tx := s.db.Delete(&s3Upload); tx.Error != nil {
return tx.Error
}
endTime := time.Now()
s.logger.Debug("S3 multipart upload complete", zap.String("key", key), zap.String("bucket", bucket), zap.Duration("duration", endTime.Sub(startTime)))
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return nil
}
func (s StorageServiceDefault) getProofPath(protocol StorageProtocol, objectHash []byte) string {
return fmt.Sprintf("%s%s", protocol.EncodeFileName(objectHash), PROOF_EXTENSION)
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}