Merge "Decode the metadata response before sending it to the VM" into stable/2025.1

Author: Zuul

neutron/common/metadata.py

@@ -33,6 +33,8 @@
 PROXY_SERVICE_NAME = 'haproxy'
 PROXY_SERVICE_CMD = 'haproxy'
 
+CONTENT_ENCODERS = ('gzip', 'deflate')
+
 
 class InvalidUserOrGroupException(Exception):
     pass
@@ -162,6 +164,12 @@ def _http_response(http_response, request):
             status=http_response.status_code,
             content_type=http_response.headers['content-type'],
             charset=http_response.encoding)
+        # The content of the response is decoded depending on the
+        # "Context-Enconding" header, if present. The operation is limited to
+        # ("gzip", "deflate"), as is in the ``webob.response.Response`` class.
+        if _res.content_encoding in CONTENT_ENCODERS:
+            _res.decode_content()
+
         # NOTE(ralonsoh): there should be a better way to format the HTTP
         # response, adding the HTTP version to the ``webob.Response``
         # output string.