mirror of
https://github.com/edgelesssys/constellation.git
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101 lines
3.0 KiB
Go
101 lines
3.0 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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// package imageinfo is used to upload image info JSON files to S3.
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package imageinfo
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"log/slog"
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"net/url"
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"time"
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s3manager "github.com/aws/aws-sdk-go-v2/feature/s3/manager"
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"github.com/aws/aws-sdk-go-v2/service/s3"
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s3types "github.com/aws/aws-sdk-go-v2/service/s3/types"
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"github.com/edgelesssys/constellation/v2/internal/api/versionsapi"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/staticupload"
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)
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// Uploader uploads image info to S3.
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type Uploader struct {
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uploadClient uploadClient
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uploadClientClose func(ctx context.Context) error
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// bucket is the name of the S3 bucket to use.
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bucket string
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log *slog.Logger
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}
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// New creates a new Uploader.
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func New(ctx context.Context, region, bucket, distributionID string, log *slog.Logger) (*Uploader, CloseFunc, error) {
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staticUploadClient, staticUploadClientClose, err := staticupload.New(ctx, staticupload.Config{
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Region: region,
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Bucket: bucket,
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DistributionID: distributionID,
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CacheInvalidationStrategy: staticupload.CacheInvalidateBatchOnFlush,
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CacheInvalidationWaitTimeout: 10 * time.Minute,
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}, log)
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if err != nil {
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return nil, nil, err
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}
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uploader := &Uploader{
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uploadClient: staticUploadClient,
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uploadClientClose: staticUploadClientClose,
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bucket: bucket,
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log: log,
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}
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uploaderClose := func(ctx context.Context) error {
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return uploader.Close(ctx)
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}
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return uploader, uploaderClose, nil
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}
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// Close closes the uploader.
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// It invalidates the CDN cache for all uploaded files.
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func (a *Uploader) Close(ctx context.Context) error {
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if a.uploadClientClose == nil {
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return nil
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}
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return a.uploadClientClose(ctx)
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}
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// Upload marshals the image info to JSON and uploads it to S3.
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func (a *Uploader) Upload(ctx context.Context, imageInfo versionsapi.ImageInfo) (string, error) {
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ver, err := versionsapi.NewVersion(imageInfo.Ref, imageInfo.Stream, imageInfo.Version, versionsapi.VersionKindImage)
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if err != nil {
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return "", fmt.Errorf("creating version: %w", err)
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}
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key, err := url.JoinPath(ver.ArtifactPath(versionsapi.APIV2), ver.Kind().String(), "info.json")
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if err != nil {
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return "", err
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}
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a.log.Debug(fmt.Sprintf("Archiving image info to s3://%v/%v", a.bucket, key))
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buf := &bytes.Buffer{}
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if err := json.NewEncoder(buf).Encode(imageInfo); err != nil {
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return "", err
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}
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_, err = a.uploadClient.Upload(ctx, &s3.PutObjectInput{
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Bucket: &a.bucket,
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Key: &key,
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Body: buf,
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ChecksumAlgorithm: s3types.ChecksumAlgorithmSha256,
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})
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return constants.CDNRepositoryURL + "/" + key, err
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}
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type uploadClient interface {
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Upload(ctx context.Context, input *s3.PutObjectInput, opts ...func(*s3manager.Uploader)) (*s3manager.UploadOutput, error)
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}
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// CloseFunc is a function that closes the client.
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type CloseFunc func(ctx context.Context) error
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