ratelimit: add support for rate limit service config in filters (#5242)

Signed-off-by: Rama Chavali <rama.rao@salesforce.com>

Mirrored from https://github.com/envoyproxy/envoy @ 494535f71a1befbaec21ad3aea710186ed2ac8ca

envoy/config/bootstrap/v2/bootstrap.proto

@@ -114,7 +114,7 @@ message Bootstrap {
   // Configuration for an external rate limit service provider. If not
   // specified, any calls to the rate limit service will immediately return
   // success.
-  envoy.config.ratelimit.v2.RateLimitServiceConfig rate_limit_service = 10;
+  envoy.config.ratelimit.v2.RateLimitServiceConfig rate_limit_service = 10 [deprecated = true];
 
   // Configuration for the runtime configuration provider. If not specified, a
   // “null” provider will be used which will result in all defaults being used.

envoy/config/filter/http/rate_limit/v2/BUILD

@@ -5,4 +5,7 @@ licenses(["notice"])  # Apache 2
 api_proto_library_internal(
     name = "rate_limit",
     srcs = ["rate_limit.proto"],
+    deps = [
+        "//envoy/config/ratelimit/v2:rls",
+    ],
 )

envoy/config/filter/http/rate_limit/v2/rate_limit.proto

@@ -3,6 +3,8 @@ syntax = "proto3";
 package envoy.config.filter.http.rate_limit.v2;
 option go_package = "v2";
 
+import "envoy/config/ratelimit/v2/rls.proto";
+
 import "google/protobuf/duration.proto";
 
 import "validate/validate.proto";
@@ -45,4 +47,11 @@ message RateLimit {
   // of the default `UNAVAILABLE` gRPC code for a rate limited gRPC call. The
   // HTTP code will be 200 for a gRPC response.
   bool rate_limited_as_resource_exhausted = 6;
+
+  // Configuration for an external rate limit service provider. If not
+  // specified, any calls to the rate limit service will immediately return
+  // success.
+  // [#comment:TODO(ramaraochavali): Make this required as part of cleanup of deprecated ratelimit
+  // service config in bootstrap.]
+  envoy.config.ratelimit.v2.RateLimitServiceConfig rate_limit_service = 7;
 }

envoy/config/filter/network/rate_limit/v2/BUILD

@@ -5,5 +5,8 @@ licenses(["notice"])  # Apache 2
 api_proto_library_internal(
     name = "rate_limit",
     srcs = ["rate_limit.proto"],
-    deps = ["//envoy/api/v2/ratelimit"],
+    deps = [
+        "//envoy/api/v2/ratelimit",
+        "//envoy/config/ratelimit/v2:rls",
+    ],
 )

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

@@ -4,6 +4,8 @@ package envoy.config.filter.network.rate_limit.v2;
 option go_package = "v2";
 
 import "envoy/api/v2/ratelimit/ratelimit.proto";
+import "envoy/config/ratelimit/v2/rls.proto";
+
 import "google/protobuf/duration.proto";
 
 import "validate/validate.proto";
@@ -32,4 +34,11 @@ message RateLimit {
   // communication failure between rate limiting service and the proxy.
   // Defaults to false.
   bool failure_mode_deny = 5;
+
+  // Configuration for an external rate limit service provider. If not
+  // specified, any calls to the rate limit service will immediately return
+  // success.
+  // [#comment:TODO(ramaraochavali): Make this required as part of cleanup of deprecated ratelimit
+  // service config in bootstrap.]
+  envoy.config.ratelimit.v2.RateLimitServiceConfig rate_limit_service = 6;
 }

envoy/config/filter/thrift/rate_limit/v2alpha1/BUILD

@@ -5,5 +5,8 @@ licenses(["notice"])  # Apache 2
 api_proto_library_internal(
     name = "rate_limit",
     srcs = ["rate_limit.proto"],
-    deps = ["//envoy/api/v2/ratelimit"],
+    deps = [
+        "//envoy/api/v2/ratelimit",
+        "//envoy/config/ratelimit/v2:rls",
+    ],
 )

envoy/config/filter/thrift/rate_limit/v2alpha1/rate_limit.proto

@@ -3,6 +3,8 @@ syntax = "proto3";
 package envoy.config.filter.thrift.rate_limit.v2alpha1;
 option go_package = "v2alpha1";
 
+import "envoy/config/ratelimit/v2/rls.proto";
+
 import "google/protobuf/duration.proto";
 
 import "validate/validate.proto";
@@ -36,4 +38,11 @@ message RateLimit {
   // communication failure between rate limiting service and the proxy.
   // Defaults to false.
   bool failure_mode_deny = 4;
+
+  // Configuration for an external rate limit service provider. If not
+  // specified, any calls to the rate limit service will immediately return
+  // success.
+  // [#comment:TODO(ramaraochavali): Make this required as part of cleanup of deprecated ratelimit
+  // service config in bootstrap.]
+  envoy.config.ratelimit.v2.RateLimitServiceConfig rate_limit_service = 5;
 }

envoy/config/ratelimit/v2/BUILD

@@ -5,9 +5,7 @@ licenses(["notice"])  # Apache 2
 api_proto_library_internal(
     name = "rls",
     srcs = ["rls.proto"],
-    visibility = [
-        "//envoy/config/bootstrap/v2:__pkg__",
-    ],
+    visibility = ["//visibility:public"],
     deps = [
         "//envoy/api/v2/core:grpc_service",
     ],