[poc] replaced aws-sdk-go-v2 and gocloud.dev/blob

tools/filesystem/internal/s3blob/s3/delete_object.go

@@ -0,0 +1,31 @@
+package s3
+
+import (
+	"context"
+	"net/http"
+)
+
+// DeleteObject deletes a single object by its key.
+//
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteObject.html
+func (s3 *S3) DeleteObject(ctx context.Context, key string, optFuncs ...func(*http.Request)) error {
+	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, s3.URL(key), nil)
+	if err != nil {
+		return err
+	}
+
+	// apply optional request funcs
+	for _, fn := range optFuncs {
+		if fn != nil {
+			fn(req)
+		}
+	}
+
+	resp, err := s3.SignAndSend(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}