direct_response: use data source (#10342)

Switch to using a data source for a more usable API

Risk Level: low (just recently merged the API)

Signed-off-by: Kuat Yessenov <kuat@google.com>

Mirrored from https://github.com/envoyproxy/envoy @ abb575aec73b505bddddcb96c5e858088f331bac

envoy/config/filter/network/direct_response/v2/BUILD

@@ -5,5 +5,8 @@ load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
 licenses(["notice"])  # Apache 2
 
 api_proto_package(
-    deps = ["@com_github_cncf_udpa//udpa/annotations:pkg"],
+    deps = [
+        "//envoy/api/v2/core:pkg",
+        "@com_github_cncf_udpa//udpa/annotations:pkg",
+    ],
 )

envoy/config/filter/network/direct_response/v2/config.proto

@@ -2,6 +2,8 @@ syntax = "proto3";
 
 package envoy.config.filter.network.direct_response.v2;
 
+import "envoy/api/v2/core/base.proto";
+
 import "udpa/annotations/migrate.proto";
 
 option java_package = "io.envoyproxy.envoy.config.filter.network.direct_response.v2";
@@ -15,6 +17,6 @@ option (udpa.annotations.file_migrate).move_to_package =
 // [#extension: envoy.filters.network.direct_response]
 
 message Config {
-  // Response data as bytes.
-  bytes response = 1;
+  // Response data as a data source.
+  api.v2.core.DataSource response = 1;
 }

envoy/extensions/filters/network/direct_response/v3/BUILD

@@ -6,6 +6,7 @@ licenses(["notice"])  # Apache 2
 
 api_proto_package(
     deps = [
+        "//envoy/config/core/v3:pkg",
         "//envoy/config/filter/network/direct_response/v2:pkg",
         "@com_github_cncf_udpa//udpa/annotations:pkg",
     ],

envoy/extensions/filters/network/direct_response/v3/config.proto

@@ -2,6 +2,8 @@ syntax = "proto3";
 
 package envoy.extensions.filters.network.direct_response.v3;
 
+import "envoy/config/core/v3/base.proto";
+
 import "udpa/annotations/versioning.proto";
 
 option java_package = "io.envoyproxy.envoy.extensions.filters.network.direct_response.v3";
@@ -16,6 +18,6 @@ message Config {
   option (udpa.annotations.versioning).previous_message_type =
       "envoy.config.filter.network.direct_response.v2.Config";
 
-  // Response data as bytes.
-  bytes response = 1;
+  // Response data as a data source.
+  config.core.v3.DataSource response = 1;
 }