feat(apigateway-restapi): support rate limit on remove

Author: ekristen

resources/apigateway-restapis.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"time"
 
+	"go.uber.org/ratelimit"
+
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/apigateway"
 
@@ -16,6 +18,12 @@ import (
 
 const APIGatewayRestAPIResource = "APIGatewayRestAPI"
 
+// Rate limit to avoid throttling when deleting API Gateway Rest APIs
+// The API Gateway Delete Rest API has a limit of 1 request per 30 seconds for each account
+// https://docs.aws.amazon.com/apigateway/latest/developerguide/limits.html
+// Note: due to time drift, set to 31 seconds to be safe.
+var deleteRestAPILimit = ratelimit.New(1, ratelimit.Per(32*time.Second))
+
 func init() {
 	registry.Register(&registry.Registration{
 		Name:   APIGatewayRestAPIResource,
@@ -73,6 +81,8 @@ func (l *APIGatewayRestAPILister) List(_ context.Context, o interface{}) ([]reso
 }
 
 func (f *APIGatewayRestAPI) Remove(_ context.Context) error {
+	deleteRestAPILimit.Take()
+
 	_, err := f.svc.DeleteRestApi(&apigateway.DeleteRestApiInput{
 		RestApiId: f.restAPIID,
 	})