constellation/internal/osimage/archive/archive.go
Adrian Stobbe 4284f892ce
api: rename /api/versions to versionsapi and /api/attestationcfig to attestationconfigapi (#1876)
* rename to attestationconfigapi + put client and fetcher inside pkg

* rename api/version to versionsapi and put fetcher + client inside pkg

* rename AttestationConfigAPIFetcher to Fetcher
2023-06-07 16:16:32 +02:00

90 lines
2.8 KiB
Go

/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
// package archive is used to archive OS images in S3.
package archive
import (
"context"
"io"
"net/url"
s3manager "github.com/aws/aws-sdk-go-v2/feature/s3/manager"
"github.com/aws/aws-sdk-go-v2/service/s3"
s3types "github.com/aws/aws-sdk-go-v2/service/s3/types"
"github.com/edgelesssys/constellation/v2/internal/api/versionsapi"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/logger"
"github.com/edgelesssys/constellation/v2/internal/staticupload"
)
// Archivist uploads OS images to S3.
type Archivist struct {
uploadClient uploadClient
uploadClientClose func(ctx context.Context) error
// bucket is the name of the S3 bucket to use.
bucket string
log *logger.Logger
}
// New creates a new Archivist.
func New(ctx context.Context, region, bucket, distributionID string, log *logger.Logger) (*Archivist, CloseFunc, error) {
staticUploadClient, staticUploadClientClose, err := staticupload.New(ctx, staticupload.Config{
Region: region,
Bucket: bucket,
DistributionID: distributionID,
CacheInvalidationStrategy: staticupload.CacheInvalidateBatchOnFlush,
})
if err != nil {
return nil, nil, err
}
archivist := &Archivist{
uploadClient: staticUploadClient,
uploadClientClose: staticUploadClientClose,
bucket: bucket,
log: log,
}
archivistClose := func(ctx context.Context) error {
return archivist.Close(ctx)
}
return archivist, archivistClose, nil
}
// Close closes the uploader.
// It invalidates the CDN cache for all uploaded files.
func (a *Archivist) Close(ctx context.Context) error {
if a.uploadClientClose == nil {
return nil
}
return a.uploadClientClose(ctx)
}
// Archive reads the OS image in img and uploads it as key.
func (a *Archivist) Archive(ctx context.Context, version versionsapi.Version, csp, attestationVariant string, img io.Reader) (string, error) {
key, err := url.JoinPath(version.ArtifactPath(versionsapi.APIV1), version.Kind.String(), "csp", csp, attestationVariant, "image.raw")
if err != nil {
return "", err
}
a.log.Debugf("Archiving OS image %s %s %v to s3://%v/%v", csp, attestationVariant, version.ShortPath(), a.bucket, key)
_, err = a.uploadClient.Upload(ctx, &s3.PutObjectInput{
Bucket: &a.bucket,
Key: &key,
Body: img,
ChecksumAlgorithm: s3types.ChecksumAlgorithmSha256,
})
return constants.CDNRepositoryURL + "/" + key, err
}
type uploadClient interface {
Upload(ctx context.Context, input *s3.PutObjectInput, opts ...func(*s3manager.Uploader)) (*s3manager.UploadOutput, error)
}
// CloseFunc is a function that closes the client.
type CloseFunc func(ctx context.Context) error