local ratelimit support virtualhost config (#22895)

Signed-off-by: wangkai19 <wangkai19@corp.netease.com>

Mirrored from https://github.com/envoyproxy/envoy @ 53837e6c91f39242bb569ca59fc6d9662ae6977c

envoy/extensions/common/ratelimit/v3/ratelimit.proto

@@ -34,6 +34,17 @@ enum XRateLimitHeadersRFCVersion {
   DRAFT_VERSION_03 = 1;
 }
 
+enum VhRateLimitsOptions {
+  // Use the virtual host rate limits unless the route has a rate limit policy.
+  OVERRIDE = 0;
+
+  // Use the virtual host rate limits even if the route has a rate limit policy.
+  INCLUDE = 1;
+
+  // Ignore the virtual host rate limits even if the route does not have a rate limit policy.
+  IGNORE = 2;
+}
+
 // A RateLimitDescriptor is a list of hierarchical entries that are used by the service to
 // determine the final rate limit key and overall allowed limit. Here are some examples of how
 // they might be used for the domain "envoy".

envoy/extensions/filters/http/local_ratelimit/v3/local_rate_limit.proto

@@ -20,7 +20,7 @@ option (udpa.annotations.file_status).package_version_status = ACTIVE;
 // Local Rate limit :ref:`configuration overview <config_http_filters_local_rate_limit>`.
 // [#extension: envoy.filters.http.local_ratelimit]
 
-// [#next-free-field: 13]
+// [#next-free-field: 14]
 message LocalRateLimit {
   // The human readable prefix to use when emitting stats.
   string stat_prefix = 1 [(validate.rules).string = {min_len: 1}];
@@ -113,4 +113,8 @@ message LocalRateLimit {
   // Disabled by default.
   common.ratelimit.v3.XRateLimitHeadersRFCVersion enable_x_ratelimit_headers = 12
       [(validate.rules).enum = {defined_only: true}];
+
+  // Specifies if the local rate limit filter should include the virtual host rate limits.
+  common.ratelimit.v3.VhRateLimitsOptions vh_rate_limits = 13
+      [(validate.rules).enum = {defined_only: true}];
 }

envoy/extensions/filters/http/ratelimit/v3/rate_limit.proto

@@ -337,6 +337,7 @@ message RateLimitConfig {
 }
 
 message RateLimitPerRoute {
+  // [#next-major-version: unify with local ratelimit, should use common.ratelimit.v3.VhRateLimitsOptions instead.]
   enum VhRateLimitsOptions {
     // Use the virtual host rate limits unless the route has a rate limit policy.
     OVERRIDE = 0;
@@ -365,6 +366,7 @@ message RateLimitPerRoute {
   }
 
   // Specifies if the rate limit filter should include the virtual host rate limits.
+  // [#next-major-version: unify with local ratelimit, should use common.ratelimit.v3.VhRateLimitsOptions instead.]
   VhRateLimitsOptions vh_rate_limits = 1 [(validate.rules).enum = {defined_only: true}];
 
   // Specifies if the rate limit filter should include the lower levels (route level, virtual host level or cluster weight level) rate limits override options.