apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: http-filter-1
  namespace: gateway-api-example-ns1
spec:
  parentRefs:
  - name: my-filter-gateway
    sectionName: http
  hostnames:
  - my-filter.example.com
  rules:
  - filters:
    - type: URLRewrite
      urlRewrite:
        path:
          type: ReplaceFullPath

#$ Used in:
#$ - site-src/api-types/httproute.md
apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: http-filter-1
spec:
  hostnames:
    - my.filter.com
  rules:
    - filters:
        - type: RequestHeaderModifier
          requestHeaderModifier:
            add:
              - name: my-header
                value: foo
      backendRefs:
        - name: my-filter-svc1
          weight: 1

apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: foo 
spec:
  parentRefs:
  - name: example-gateway
    sectionName: https
  hostnames:
  - foo.example.com
  rules:
  - matches:
    - path:
        type: PathPrefix
        value: /
    backendRefs:
    - name: foo-app 
      port: 80
  - matches:
    - path:
        type: PathPrefix
        value: /orders
    backendRefs:

#$ Used in:
#$ - site-src/guides/http-routing.md
apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: bar-route
spec:
  parentRefs:
  - name: example-gateway
  hostnames:
  - "bar.example.com"
  rules:
  - matches:
    - headers:
      - type: Exact
        name: env
        value: canary
    backendRefs:
    - name: bar-svc-canary
      port: 8080
  - backendRefs:
    - name: bar-svc

  - name: http
    protocol: HTTP
    port: 80
---
apiVersion: gateway.networking.k8s.io/v1beta1
kind: HTTPRoute
metadata:
  name: example-route
spec:
  parentRefs:
  - name: example-gateway
  hostnames:
  - "example.com"
  rules:
  - backendRefs:
    - name: example-svc

  private final Set<HttpUrl> fetchedUrls = Collections.synchronizedSet(new LinkedHashSet<>());
  private final LinkedBlockingQueue<HttpUrl> queue = new LinkedBlockingQueue<>();
  private final ConcurrentHashMap<String, AtomicInteger> hostnames = new ConcurrentHashMap<>();

  public Crawler(OkHttpClient client) {
    this.client = client;
  }

  private void parallelDrainQueue(int threadCount) {

// limitations under the License.

syntax = "proto3";

package istio.networking.nds.v1;

option go_package = "istio.io/istio/pkg/dns/proto/istio_networking_nds_v1";

// Table of hostnames and their IPs to br used for DNS resolution at the agent
// Sent by istiod to istio agents via xds
message NameTable {
    message NameInfo {
        // List of IPs for the host.
        repeated string ips = 1;

apiVersion: gateway.networking.k8s.io/v1beta1
kind: Gateway
metadata:
  name: gateway
  namespace: istio-system
spec:
  addresses:
  - value: istio-ingressgateway
    type: Hostname
  gatewayClassName: istio
  listeners:
  - name: default
    hostname: "*.domain.example"
    port: 80
    protocol: HTTP
    allowedRoutes:
      namespaces:
        from: All
  - name: tcp
    port: 34000
    protocol: TCP

	// update.
	e.endpointsByServiceAndSlice[hostname][slice] = endpoints
}

func (e *endpointSliceCache) Delete(hostname host.Name, slice string) {
	e.mu.Lock()
	defer e.mu.Unlock()
	e.delete(hostname, slice)
}

func (e *endpointSliceCache) delete(hostname host.Name, slice string) {
	delete(e.endpointsByServiceAndSlice[hostname], slice)
	if len(e.endpointsByServiceAndSlice[hostname]) == 0 {

apiVersion: gateway.networking.k8s.io/v1beta1
kind: Gateway
metadata:
  name: gateway
  namespace: istio-system
spec:
  addresses:
  - value: istio-ingressgateway
    type: Hostname
  gatewayClassName: istio
  listeners:
  - name: http
    hostname: "*.domain.example"
    port: 80
    protocol: HTTP
    allowedRoutes:
      namespaces:
        from: All
  - name: tcp
    port: 34000
    protocol: TCP