Update DestinationRule api: sync add the cookie attributes for consistentHash

networking/v1alpha3/destination_rule.proto

@@ -447,6 +447,15 @@ message LoadBalancerSettings {
       // Increasing the table size reduces the amount of disruption.
       uint64 table_size = 1;
     };
+
+    // CookieAttribute defines an API for adding additional attributes for a HTTP cookie.
+    message CookieAttribute {
+      // The name of the cookie attribute.
+      string name = 1 [(google.api.field_behavior) = REQUIRED];
+      // The optional value of the cookie attribute.
+      string value = 2;
+    }
+
     // Describes a HTTP cookie that will be used as the hash key for the
     // Consistent Hash load balancer.
     message HTTPCookie {
@@ -458,6 +467,8 @@ message LoadBalancerSettings {
       // generated if the cookie is not present. If the TTL is present and zero, 
       // the generated cookie will be a session cookie.
       google.protobuf.Duration ttl = 3;
+      // Additional attributes for the cookie. They will be used when generating a new cookie.
+      repeated CookieAttribute attributes = 4;
     };
 
     // The hash key to use.

networking/v1beta1/destination_rule.proto

@@ -422,6 +422,15 @@ message LoadBalancerSettings {
       // Increasing the table size reduces the amount of disruption.
       uint64 table_size = 1;
     };
+
+    // CookieAttribute defines an API for adding additional attributes for a HTTP cookie.
+    message CookieAttribute {
+      // The name of the cookie attribute.
+      string name = 1 [(google.api.field_behavior) = REQUIRED];
+      // The optional value of the cookie attribute.
+      string value = 2;
+    }
+
     // Describes a HTTP cookie that will be used as the hash key for the
     // Consistent Hash load balancer.
     message HTTPCookie {
@@ -433,6 +442,8 @@ message LoadBalancerSettings {
       // generated if the cookie is not present. If the TTL is present and zero, 
       // the generated cookie will be a session cookie.
       google.protobuf.Duration ttl = 3;
+      // Additional attributes for the cookie. They will be used when generating a new cookie.
+      repeated CookieAttribute attributes = 4;
     };
 
     // The hash key to use.