Switch from juju/ratelimit to golang.org/x/time/rate

pkg/controller/certificates/certificate_controller.go

@@ -22,6 +22,9 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/golang/glog"
+	"golang.org/x/time/rate"
+
 	certificates "k8s.io/api/certificates/v1beta1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
@@ -34,9 +37,6 @@ import (
 	"k8s.io/client-go/tools/record"
 	"k8s.io/client-go/util/workqueue"
 	"k8s.io/kubernetes/pkg/controller"
-
-	"github.com/golang/glog"
-	"github.com/juju/ratelimit"
 )
 
 type CertificateController struct {
@@ -65,7 +65,7 @@ func NewCertificateController(
 		queue: workqueue.NewNamedRateLimitingQueue(workqueue.NewMaxOfRateLimiter(
 			workqueue.NewItemExponentialFailureRateLimiter(200*time.Millisecond, 1000*time.Second),
 			// 10 qps, 100 bucket size.  This is only for retry speed and its only the overall factor (not per item)
-			&workqueue.BucketRateLimiter{Bucket: ratelimit.NewBucketWithRate(float64(10), int64(100))},
+			&workqueue.BucketRateLimiter{Limiter: rate.NewLimiter(rate.Limit(10), 100)},
 		), "certificate"),
 		handler: handler,
 	}