Remove unused api-rate and api-burst params.

cmd/kube-apiserver/app/server.go

@@ -68,8 +68,6 @@ type APIServer struct {
 	AdvertiseAddress           net.IP
 	SecurePort                 int
 	ExternalHost               string
-	APIRate                    float32
-	APIBurst                   int
 	TLSCertFile                string
 	TLSPrivateKeyFile          string
 	CertDirectory              string
@@ -122,8 +120,6 @@ func NewAPIServer() *APIServer {
 		InsecureBindAddress:    net.ParseIP("127.0.0.1"),
 		BindAddress:            net.ParseIP("0.0.0.0"),
 		SecurePort:             6443,
-		APIRate:                10.0,
-		APIBurst:               200,
 		APIPrefix:              "/api",
 		ExpAPIPrefix:           "/experimental",
 		EventTTL:               1 * time.Hour,
@@ -176,8 +172,6 @@ func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
 	fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
 		"The port on which to serve HTTPS with authentication and authorization. If 0, "+
 		"don't serve HTTPS at all.")
-	fs.Float32Var(&s.APIRate, "api-rate", s.APIRate, "API rate limit as QPS for the read only port")
-	fs.IntVar(&s.APIBurst, "api-burst", s.APIBurst, "API burst amount for the read only port")
 	fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
 		"File containing x509 Certificate for HTTPS.  (CA cert, if any, concatenated after server cert). "+
 		"If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, "+

docs/admin/kube-apiserver.md

@@ -52,9 +52,7 @@ cluster's shared state through which all other components interact.
       --admission-control-config-file="": File with admission control configuration.
       --advertise-address=<nil>: The IP address on which to advertise the apiserver to members of the cluster. This address must be reachable by the rest of the cluster. If blank, the --bind-address will be used. If --bind-address is unspecified, the host's default interface will be used.
       --allow-privileged=false: If true, allow privileged containers.
-      --api-burst=0: API burst amount for the read only port
       --api-prefix="": The prefix for API requests on the server. Default '/api'.
-      --api-rate=0: API rate limit as QPS for the read only port
       --authorization-mode="": Selects how to do authorization on the secure port.  One of: AlwaysAllow,AlwaysDeny,ABAC
       --authorization-policy-file="": File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.
       --basic-auth-file="": If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.

hack/verify-flags/known-flags.txt

@@ -8,9 +8,7 @@ algorithm-provider
 all-namespaces
 allocate-node-cidrs
 allow-privileged
-api-burst
 api-prefix
-api-rate
 api-servers
 api-token
 api-version