<p>I have used the following configuration to setup the Istio</p>
<pre><code>cat &lt;&lt; EOF | kubectl apply -f -
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: istio-control-plane
spec:
  # Use the default profile as the base
  # More details at: https://istio.io/docs/setup/additional-setup/config-profiles/
  profile: default
  # Enable the addons that we will want to use
  addonComponents:
    grafana:
      enabled: true
    prometheus:
      enabled: true
    tracing:
      enabled: true
    kiali:
      enabled: true
  values:
    global:
      # Ensure that the Istio pods are only scheduled to run on Linux nodes
      defaultNodeSelector:
        beta.kubernetes.io/os: linux
    kiali:
      dashboard:
        auth:
          strategy: anonymous
  components:
    egressGateways:
    - name: istio-egressgateway
      enabled: true
EOF
</code></pre>
<p>I could see that the istio services</p>
<p><a href="https://i.stack.imgur.com/2WTvd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2WTvd.png" alt="enter image description here" /></a></p>
<blockquote>
<p>kubectl get svc -n istio-system</p>
</blockquote>
<p>I have deployed the sleep app</p>
<pre><code>kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.7/samples/sleep/sleep.yaml
-n akv2k8s-test
</code></pre>
<p>and have deployed the ServiceEntry</p>
<pre><code>kubectl apply -f - &lt;&lt;EOF
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
  name: httpbin-ext
  namespace: akv2k8s-test
spec:
  hosts:
  - httpbin.org
  ports:
  - number: 80
    name: http
    protocol: HTTP
  resolution: DNS
  location: MESH_EXTERNAL
EOF
</code></pre>
<p>and tried accessing the external URL</p>
<pre><code>export SOURCE_POD=$(kubectl get -n  akv2k8s-test  pod -l app=sleep -o jsonpath='{.items..metadata.name}')
kubectl exec &quot;$SOURCE_POD&quot;  -n  akv2k8s-test  -c sleep -- curl -sI http://httpbin.org/headers | grep  &quot;HTTP/&quot;; 
</code></pre>
<p>however I could not see any logs reported on the proxy</p>
<pre><code>kubectl logs &quot;$SOURCE_POD&quot; -n  akv2k8s-test -c istio-proxy | tail
</code></pre>
<p><a href="https://i.stack.imgur.com/PPxV3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/PPxV3.png" alt="enter image description here" /></a></p>
<p>as per the documentation I should see this</p>
<p><a href="https://i.stack.imgur.com/JBPbY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JBPbY.png" alt="enter image description here" /></a></p>
<p>however I don't see the header</p>
<p><a href="https://i.stack.imgur.com/x1MfC.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/x1MfC.png" alt="enter image description here" /></a></p>
<p>am I missing something here?</p>

<p>I got it working as mentioned below</p>
<pre><code>cat &lt;&lt; EOF | kubectl apply -f -
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: istio-control-plane
spec:
  # Use the default profile as the base
  # More details at: https://istio.io/docs/setup/additional-setup/config-profiles/
  profile: default
  # Enable the addons that we will want to use
  addonComponents:
    grafana:
      enabled: true
    prometheus:
      enabled: true
    tracing:
      enabled: true
    kiali:
      enabled: true
  values:
    global:
      # Ensure that the Istio pods are only scheduled to run on Linux nodes
      defaultNodeSelector:
        beta.kubernetes.io/os: linux
    kiali:
      dashboard:
        auth:
          strategy: anonymous
  components:
    egressGateways:
    - name: istio-egressgateway
      enabled: true
  meshConfig:
    accessLogFile: /dev/stdout
    outboundTrafficPolicy:
      mode: REGISTRY_ONLY
EOF


cat &lt;&lt; EOF | kubectl apply -f -
apiVersion: v1
kind: Namespace
metadata:
  name: akv2k8s-test
  labels:
    istio-injection: enabled
    azure-key-vault-env-injection: enabled
---
apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
  name: cnn
  namespace: akv2k8s-test
spec:
  hosts:
  - edition.cnn.com
  ports:
  - number: 80
    name: http-port
    protocol: HTTP
  - number: 443
    name: https
    protocol: HTTPS
  resolution: DNS
---
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: istio-egressgateway
  namespace: akv2k8s-test
spec:
  selector:
    istio: egressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - edition.cnn.com
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: egressgateway-for-cnn
  namespace: akv2k8s-test
spec:
  host: istio-egressgateway.istio-system.svc.cluster.local
  subsets:
  - name: cnn
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: direct-cnn-through-egress-gateway
  namespace: akv2k8s-test
spec:
  hosts:
  - edition.cnn.com
  gateways:
  - istio-egressgateway
  - mesh
  http:
  - match:
    - gateways:
      - mesh
      port: 80
    route:
    - destination:
        host: istio-egressgateway.istio-system.svc.cluster.local
        subset: cnn
        port:
          number: 80
      weight: 100
  - match:
    - gateways:
      - istio-egressgateway
      port: 80
    route:
    - destination:
        host: edition.cnn.com
        port:
          number: 80
      weight: 100
EOF

kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.7/samples/sleep/sleep.yaml -n akv2k8s-test
export SOURCE_POD=$(kubectl get pod -l app=sleep -n akv2k8s-test -o jsonpath={.items..metadata.name})
kubectl exec &quot;$SOURCE_POD&quot; -n akv2k8s-test -c sleep -- curl -sL -o /dev/null -D - http://edition.cnn.com/politics
kubectl logs -l istio=egressgateway -c istio-proxy -n istio-system | tail


kubectl delete -n akv2k8s-test gateway istio-egressgateway
kubectl delete -n akv2k8s-test serviceentry cnn
kubectl delete -n akv2k8s-test virtualservice direct-cnn-through-egress-gateway
kubectl delete -n akv2k8s-test destinationrule egressgateway-for-cnn
</code></pre>
