ci: static file uploader with automatic cache invalidation (#1833)

internal/staticupload/delete.go

@@ -0,0 +1,66 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package staticupload
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+)
+
+// DeleteObject deletes the given key from S3 and invalidates the CDN cache.
+// It returns the delete output or an error.
+// The error will be of type InvalidationError if the CDN cache could not be invalidated.
+func (c *Client) DeleteObject(ctx context.Context, params *s3.DeleteObjectInput,
+	optFns ...func(*s3.Options),
+) (*s3.DeleteObjectOutput, error) {
+	if params == nil || params.Key == nil {
+		return nil, errors.New("key is not set")
+	}
+	output, err := c.s3Client.DeleteObject(ctx, params, optFns...)
+	if err != nil {
+		return nil, fmt.Errorf("deleting object: %w", err)
+	}
+
+	if err := c.invalidate(ctx, []string{*params.Key}); err != nil {
+		return nil, err
+	}
+	return output, nil
+}
+
+// DeleteObjects deletes the given objects from S3 and invalidates the CDN cache.
+// It returns the delete output or an error.
+// The error will be of type InvalidationError if the CDN cache could not be invalidated.
+func (c *Client) DeleteObjects(
+	ctx context.Context, params *s3.DeleteObjectsInput,
+	optFns ...func(*s3.Options),
+) (*s3.DeleteObjectsOutput, error) {
+	if params == nil || params.Delete == nil || params.Delete.Objects == nil {
+		return nil, errors.New("objects are not set")
+	}
+	for _, obj := range params.Delete.Objects {
+		if obj.Key == nil {
+			return nil, errors.New("key is not set")
+		}
+	}
+	output, deleteErr := c.s3Client.DeleteObjects(ctx, params, optFns...)
+	if deleteErr != nil {
+		return nil, fmt.Errorf("deleting objects: %w", deleteErr)
+	}
+
+	keys := make([]string, len(params.Delete.Objects))
+	for i, obj := range params.Delete.Objects {
+		keys[i] = *obj.Key
+	}
+
+	if err := c.invalidate(ctx, keys); err != nil {
+		return nil, err
+	}
+	return output, nil
+}