network: add direct response network filter (#10210)

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

Mirrored from https://github.com/envoyproxy/envoy @ e8e20c3b045dcde43aee2f7eea63aa0d2b1edb2f

BUILD

@@ -62,6 +62,7 @@ proto_library(
         "//envoy/config/filter/listener/proxy_protocol/v2:pkg",
         "//envoy/config/filter/listener/tls_inspector/v2:pkg",
         "//envoy/config/filter/network/client_ssl_auth/v2:pkg",
+        "//envoy/config/filter/network/direct_response/v2:pkg",
         "//envoy/config/filter/network/dubbo_proxy/v2alpha1:pkg",
         "//envoy/config/filter/network/echo/v2:pkg",
         "//envoy/config/filter/network/ext_authz/v2:pkg",
@@ -193,6 +194,7 @@ proto_library(
         "//envoy/extensions/filters/listener/proxy_protocol/v3:pkg",
         "//envoy/extensions/filters/listener/tls_inspector/v3:pkg",
         "//envoy/extensions/filters/network/client_ssl_auth/v3:pkg",
+        "//envoy/extensions/filters/network/direct_response/v3:pkg",
         "//envoy/extensions/filters/network/dubbo_proxy/router/v3:pkg",
         "//envoy/extensions/filters/network/dubbo_proxy/v3:pkg",
         "//envoy/extensions/filters/network/echo/v3:pkg",

docs/BUILD

@@ -68,6 +68,7 @@ proto_library(
         "//envoy/config/filter/listener/proxy_protocol/v2:pkg",
         "//envoy/config/filter/listener/tls_inspector/v2:pkg",
         "//envoy/config/filter/network/client_ssl_auth/v2:pkg",
+        "//envoy/config/filter/network/direct_response/v2:pkg",
         "//envoy/config/filter/network/dubbo_proxy/v2alpha1:pkg",
         "//envoy/config/filter/network/echo/v2:pkg",
         "//envoy/config/filter/network/ext_authz/v2:pkg",

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

@@ -0,0 +1,9 @@
+# DO NOT EDIT. This file is generated by tools/proto_sync.py.
+
+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"],
+)

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

@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+package envoy.config.filter.network.direct_response.v2;
+
+import "udpa/annotations/migrate.proto";
+
+option java_package = "io.envoyproxy.envoy.config.filter.network.direct_response.v2";
+option java_outer_classname = "ConfigProto";
+option java_multiple_files = true;
+option (udpa.annotations.file_migrate).move_to_package =
+    "envoy.extensions.filters.network.direct_response.v3";
+
+// [#protodoc-title: Direct response]
+// Direct response :ref:`configuration overview <config_network_filters_direct_response>`.
+// [#extension: envoy.filters.network.direct_response]
+
+message Config {
+  // Response data as bytes.
+  bytes response = 1;
+}

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

@@ -0,0 +1,12 @@
+# DO NOT EDIT. This file is generated by tools/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = [
+        "//envoy/config/filter/network/direct_response/v2:pkg",
+        "@com_github_cncf_udpa//udpa/annotations:pkg",
+    ],
+)

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

@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+package envoy.extensions.filters.network.direct_response.v3;
+
+import "udpa/annotations/versioning.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.filters.network.direct_response.v3";
+option java_outer_classname = "ConfigProto";
+option java_multiple_files = true;
+
+// [#protodoc-title: Direct response]
+// Direct response :ref:`configuration overview <config_network_filters_direct_response>`.
+// [#extension: envoy.filters.network.direct_response]
+
+message Config {
+  option (udpa.annotations.versioning).previous_message_type =
+      "envoy.config.filter.network.direct_response.v2.Config";
+
+  // Response data as bytes.
+  bytes response = 1;
+}