metadata:
  name: fault
  namespace: testns
spec:
  host: c-weighted.extsvc.com
  subsets:
    - name: v1
      labels:
        version: v1
    - name: v2
      labels:
        version: v2

---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: fault
  namespace: testns
spec:
  hosts:
    - fault.test.istio.io
  http:
    - match:
      - headers:

VirtualService: bookinfo
   Route to host "productpage" with weight 30%
   Route to host "productpage2" with weight 20%
   Route to host "productpage3" with weight 50%
   Match: /prefix*
--------------------
Exposed on Ingress Gateway http://1.1.1.1
Exposed on Ingress Gateway http://2.2.2.2
VirtualService: bookinfo
   Route to host "productpage" with weight 30%
   Route to host "productpage2" with weight 20%

			}
		}

		// Check for duplicate hosts
		// Duplicates include literal duplicates as well as wildcard duplicates
		// E.g., *.foo.com, and *.com are duplicates in the same virtual service
		if allHostsValid {
			for i := 0; i < len(virtualService.Hosts); i++ {
				hostI := host.Name(virtualService.Hosts[i])
				for j := i + 1; j < len(virtualService.Hosts); j++ {
					hostJ := host.Name(virtualService.Hosts[j])

          # don't overwrite /etc/hosts since it's managed by kubeproxy
          #sudo sh -c 'cat /var/run/secrets/istio/bootstrap/hosts >> /etc/hosts'

          # since we're not overwriting /etc/hosts on k8s, verify that istiod hostname in /etc/hosts
          # matches the value generated by istioctl
          echo "checking istio host"
          SYSTEM_HOST=$(cat /etc/hosts | grep istiod)

// The path is known to be in canonical form, except for CONNECT methods.
func (mux *serveMux121) handler(host, path string) (h Handler, pattern string) {
	mux.mu.RLock()
	defer mux.mu.RUnlock()

	// Host-specific pattern takes precedence over generic ones
	if mux.hosts {
		h, pattern = mux.match(host + path)
	}
	if h == nil {
		h, pattern = mux.match(path)
	}
	if h == nil {

			[]config.Config{virtualServiceWithGoogleWildcardHost}, 80, wildcardIndex,
		)
		// The service hosts (*.example.org and goodbye.hello.example.org) and the unattached VS host (*.google.com)
		g.Expect(vhosts).To(HaveLen(3))
		for _, vhost := range vhosts {
			if len(vhost.VirtualServiceHosts) > 0 && vhost.VirtualServiceHosts[0] == "*.google.com" {

			for _, destinations := range routes.Route {
				// if there's no subset specified, we're done
				if destinations.Destination.Subset != "" {
					for _, host := range virtualservice.Hosts {
						if destinations.Destination.Host == host {
							virtualservices[r.Metadata.FullName] = append(virtualservices[r.Metadata.FullName], destinations.Destination)
						}
					}
				}
			}
		}

		return true

     * have many names for a given IP address. The name and IP address make
     * the NetBIOS address. This provides a way to retrieve the other names
     * for a host with the same IP address. See {@link #getByName}
     * for a description of <code>type</code>
     * and <code>scope</code>.
     *
     * @param host
     *            hostname to lookup all addresses for

  namespace: istio-system
spec:
  gateways:
  - istio-system/eastwestgateway-istio-autogenerated-k8s-gateway-istiod-grpc
  hosts:
  - '*'
  tls:
  - match:
    - sniHosts:
      - '*'
    route:
    - destination:
        host: istiod.istio-system.svc.domain.suffix
        port:
          number: 15012
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:

					},
					Bind:  "unix://foo/bar/headless",
					Hosts: []string{"*/test-headless.com"},
				},
				{
					Port: &networking.SidecarPort{
						Number:   18888,
						Protocol: "HTTP",
						Name:     "foo",
					},
					Hosts: []string{"*/test-headless.com"},
				},
				{
					// Wildcard egress importing from all namespaces
					Hosts: []string{"*/*"},
				},
			},