<rgw> Ensure the ETag format is consistent with AWS S3 API

AWS S3 API quotes ETAG everywhere. We still missed a few places.

checked with following cmd.
```
$ rg -i "dump.*\"ETag\"" ceph
./src/rgw/rgw_rest_s3.cc
1863:        s->formatter->dump_format("ETag", "\"%s\"", iter->meta.etag.c_str());
1955:      s->formatter->dump_format("ETag", "\"%s\"", iter->meta.etag.c_str());
2030:        s->formatter->dump_format("ETag", "\"%s\"", iter->meta.etag.c_str());
2099:      s->formatter->dump_format("ETag", "\"%s\"", iter->meta.etag.c_str());
2785:      s->formatter->dump_format("ETag", "\"%s\"", etag.c_str());
3422:    s->formatter->dump_string("ETag", etag);
3725:      s->formatter->dump_format("ETag", "\"%s\"",etag.c_str());
4228:    s->formatter->dump_string("ETag", etag);
4298:      s->formatter->dump_format("ETag", "\"%s\"", part->get_etag().c_str());

./src/rgw/rgw_rest.cc
421:    return dump_header(s, "etag", etag);
423:    return dump_header_quoted(s, "ETag", etag);

./src/rgw/driver/rados/rgw_sync_module_es_rest.cc
347:      s->formatter->dump_format("ETag", "\"%s\"", e.meta.etag.c_str());

./src/rgw/rgw_admin.cc
8612:        handled = dump_string("etag", bl, formatter.get());
```

Signed-off-by: liubingrun <liubr1@chinatelecom.cn>
(cherry picked from commit b8795299aacfa2aee5ec4a6fe117424e2ce97b88)

Conflicts:
	src/rgw/rgw_rest_s3.cc no checksums in response

diff --git a/src/rgw/rgw_rest_s3.cc b/src/rgw/rgw_rest_s3.cc
index 5a3f0dd7aebe6f8543fc33ed0885d7de8401c167..f2dc235fde70d1def0f0fa1765414f602ff141b4 100644 (file)
--- a/src/rgw/rgw_rest_s3.cc
+++ b/src/rgw/rgw_rest_s3.cc
@@ -2768,7 +2768,7 @@ void RGWPutObj_ObjStore_S3::send_response()
       if (strftime(buf, sizeof(buf), "%Y-%m-%dT%T.000Z", &tmp) > 0) {
         s->formatter->dump_string("LastModified", buf);
       }
-      s->formatter->dump_string("ETag", etag);
+      s->formatter->dump_format("ETag", "\"%s\"", etag.c_str());
       s->formatter->close_section();
       rgw_flush_formatter_and_reset(s, s->formatter);
       return;
@@ -3396,7 +3396,7 @@ done:
     }
     s->formatter->dump_string("Bucket", s->bucket_name);
     s->formatter->dump_string("Key", s->object->get_name());
-    s->formatter->dump_string("ETag", etag);
+    s->formatter->dump_format("ETag", "\"%s\"", etag.c_str());
     s->formatter->close_section();
   }
   s->err.message = err_msg;
@@ -4080,7 +4080,7 @@ void RGWCompleteMultipart_ObjStore_S3::send_response()
     }
     s->formatter->dump_string("Bucket", s->bucket_name);
     s->formatter->dump_string("Key", s->object->get_name());
-    s->formatter->dump_string("ETag", etag);
+    s->formatter->dump_format("ETag", "\"%s\"", etag.c_str());
     s->formatter->close_section();
     rgw_flush_formatter_and_reset(s, s->formatter);
   }