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feat: cas scaling ph 2 (s3 batching) (#44)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package storage | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "os" | ||
|
|
||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3" | ||
| "github.com/aws/aws-sdk-go-v2/service/s3/types" | ||
|
|
||
| "github.com/ceramicnetwork/go-cas/common" | ||
| "github.com/ceramicnetwork/go-cas/models" | ||
| ) | ||
|
|
||
| var _ models.KeyValueRepository = &S3Store{} | ||
|
|
||
| type S3Store struct { | ||
| client *s3.Client | ||
| logger models.Logger | ||
| bucket string | ||
| } | ||
|
|
||
| func NewS3Store(ctx context.Context, logger models.Logger, s3Client *s3.Client, bucket string) *S3Store { | ||
| // Create the bucket if it doesn't exist | ||
| if err := createBucket(ctx, s3Client, bucket); err != nil { | ||
| logger.Fatalf("failed to create bucket %s: %v", bucket, err) | ||
| } | ||
| return &S3Store{s3Client, logger, bucket} | ||
| } | ||
|
|
||
| func (s *S3Store) Store(ctx context.Context, key string, value interface{}) error { | ||
| if jsonBytes, err := json.Marshal(value); err != nil { | ||
| return err | ||
| } else { | ||
| httpCtx, httpCancel := context.WithTimeout(ctx, common.DefaultRpcWaitTime) | ||
| defer httpCancel() | ||
|
|
||
| putObjectIn := s3.PutObjectInput{ | ||
| Bucket: aws.String(s.bucket), | ||
| Key: aws.String(key), | ||
| Body: bytes.NewReader(jsonBytes), | ||
| ContentType: aws.String("application/json"), | ||
| } | ||
| if _, err = s.client.PutObject(httpCtx, &putObjectIn); err != nil { | ||
| return err | ||
| } else { | ||
| s.logger.Debugf("stored key: %s", key) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func createBucket(ctx context.Context, client *s3.Client, bucket string) error { | ||
| httpCtx, httpCancel := context.WithTimeout(ctx, common.DefaultRpcWaitTime) | ||
| defer httpCancel() | ||
|
|
||
| if _, err := client.CreateBucket(httpCtx, &s3.CreateBucketInput{ | ||
| Bucket: aws.String(bucket), | ||
| CreateBucketConfiguration: &types.CreateBucketConfiguration{ | ||
| LocationConstraint: types.BucketLocationConstraint(os.Getenv("AWS_REGION")), | ||
| }, | ||
| }); err != nil { | ||
| var ownedByYouErr *types.BucketAlreadyOwnedByYou | ||
| if errors.As(err, &ownedByYouErr) { | ||
| // This means that the bucket already exists and is owned by us, which is fine. | ||
| return nil | ||
| } | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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