bring back e2e tests

Signed-off-by: Shriram Rajagopalan <shriramr@vmware.com>

tests/e2e/tests/pilot/egressgateway_test.go

@@ -66,6 +66,25 @@ func TestRouteHTTPViaEgressGateway(t *testing.T) {
 			}
 			return errAgain
 		})
+
+		runRetriableTest(t, "RoutePassthroughAndNonPassthroughViaGateway", defaultRetryBudget, func() error {
+			// We use an arbitrary IP to ensure that the test fails if networking logic is implemented incorrectly
+			reqURL := fmt.Sprintf("https://1.1.1.1/bookinfo")
+			resp := ClientRequest(cluster, "a", reqURL, 100, "-key Host -val scooby.eu.bookinfo.com")
+			count := make(map[string]int)
+			for _, elt := range resp.Host {
+				count[elt]++
+			}
+			for _, elt := range resp.Code {
+				count[elt]++
+			}
+			handledByEgress := strings.Count(resp.Body, "Handled-By-Egress-Gateway=true")
+			log.Infof("request counts %v", count)
+			if count["scooby.eu.bookinfo.com"] >= 95 && count[httpOK] >= 95 && handledByEgress >= 95 {
+				return nil
+			}
+			return errAgain
+		})
 	}
 }
 

tests/e2e/tests/pilot/testdata/networking/v1alpha3/egressgateway.yaml

@@ -24,3 +24,15 @@ spec:
     - www.bing.com
     tls:
       mode: PASSTHROUGH
+  - port:
+      number: 443
+      name: https
+      protocol: HTTPS
+    hosts:
+    - "*.bookinfo.com"
+    tls:
+      # This test ensures that we can have both passthrough and non passthrough on same port
+      mode: SIMPLE #enables HTTPS on this port
+      serverCertificate: /etc/certs/cert-chain.pem
+      privateKey: /etc/certs/key.pem
+      caCertificates: /etc/certs/root-cert.pem