tokers commented on a change in pull request #755:
URL: 
https://github.com/apache/apisix-ingress-controller/pull/755#discussion_r754155357



##########
File path: Makefile
##########
@@ -97,6 +97,10 @@ ifeq ($(E2E_SKIP_BUILD), 0)
        docker tag kennethreitz/httpbin $(LOCAL_REGISTRY)/kennethreitz/httpbin
        docker push $(LOCAL_REGISTRY)/kennethreitz/httpbin
 
+       docker build -t apache/test-backend:$(IMAGE_TAG) --build-arg 
ENABLE_PROXY=true ./test/e2e/testbackend

Review comment:
       It's not necessary use the `apache` account.

##########
File path: test/e2e/testbackend/main.go
##########
@@ -0,0 +1,184 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more

Review comment:
       Why not use https://github.com/api7/grpc_server_example?

##########
File path: test/e2e/testbackend/client/client.go
##########
@@ -0,0 +1,57 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package client
+
+import (
+       "context"
+       "crypto/tls"
+       "crypto/x509"
+       "errors"
+       "log"
+       "time"
+
+       "google.golang.org/grpc"
+       "google.golang.org/grpc/credentials"
+       hwpb "google.golang.org/grpc/examples/helloworld/helloworld"
+)
+
+// RequestHello request grpc method in addr use specific ca
+func RequestHello(addr string, ca []byte) error {
+       var (
+               creds    credentials.TransportCredentials
+               tlsConf  tls.Config
+               certPool = x509.NewCertPool()
+       )
+       if ok := certPool.AppendCertsFromPEM(ca); !ok {
+               return errors.New("failed to append ca certs")
+       }
+       tlsConf.RootCAs = certPool
+       creds = credentials.NewTLS(&tlsConf)
+       conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(creds), 
grpc.WithAuthority("e2e.apisix.local"))
+       if err != nil {
+               return err
+       }
+       defer conn.Close()
+       c := hwpb.NewGreeterClient(conn)
+
+       ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+       defer cancel()
+       r, err := c.SayHello(ctx, &hwpb.HelloRequest{Name: "apisix-ingress"})
+       if err != nil {
+               return err
+       }
+       log.Printf("Get response %s", r.GetMessage())

Review comment:
       Is this for debugging?

##########
File path: test/e2e/ingress/upstream_tls.go
##########
@@ -16,330 +16,127 @@
 package ingress
 
 import (
-       "crypto/tls"
-       "crypto/x509"
        "fmt"
+       "io/ioutil"
        "net/http"
        "time"
 
        "github.com/apache/apisix-ingress-controller/test/e2e/scaffold"
+       
"github.com/apache/apisix-ingress-controller/test/e2e/testbackend/client"
        "github.com/onsi/ginkgo"
        "github.com/stretchr/testify/assert"
 )
 
 var _ = ginkgo.Describe("ApisixUpstreams mTLS test", func() {
-       rootCA := `-----BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
-`
-
-       serverCertSecret := `server-secret`
-       serverCert := `-----BEGIN CERTIFICATE-----
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-BQAwgZwxCzAJBgNVBAYTAkNOMREwDwYDVQQIDAhaaGVqaWFuZzERMA8GA1UEBwwI
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-uw==
------END CERTIFICATE-----
-`
-       serverKey := `-----BEGIN RSA PRIVATE KEY-----
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------END RSA PRIVATE KEY-----
-`
-       clientCASecret := `client-ca-secret`
        clientSecret := `client-secret`
-       clientCert := `-----BEGIN CERTIFICATE-----
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-nmkrWhfLNFJLVrU9jIISP9Wkl3s3PcM+aEWygb/1roqbMqNOgrzDVgGRRFCiS6qi
-himUuTJhIBI6TF1PE+XW3gTFWBXkAZ7MzpbS8oP1PehlY3XXKNZgxZi3XaDI8Hfw
-5MWBGNbk8tegn8bvYQUz2VxmCo6zufCkj4ADjw2zhiyKBKuHTzg48w66Wn4jLhlK
-p91HHrK0lEOIJ4pFmBUpBsSJMlBMbfrzBF87xQhpDO3ScFfCWUatShmXsPMJU0F0
-DEuTnaHUefUf/F9wUGNcA4yQ4pH8SxVpRHmrWE8U4uSXpz1bx4ChZurJ9mPzrj9h
-U9c/d9F5WndZNPcR1R8Tbzhk/R8GImVR3Lt59cW+SN/+4JVFy+Hye2yslGFn2CAJ
-ofNxjLb9OE6+EE3SWW0B5CZSWBS49gtdTW0ApOjIRJU2zipxcjnNf00GFoIoCxjk
-Z4eBQz9WVUM9KSrJIQSLZQd35tZAOp0BuwWho0+w8lXUchSqT7oRA7+szZldWF0j
-HKPIMJ0iVWmXuZjsS8q8NBIt4DuBcqpevlol5KRXv6tJy4IBVAVEIBdeXotvdxKE
-bncvZ6xo9A/waUU7tEyzv34usxefrWxtSlOA1G0Jj4nb5gKPHjn0XIr9WI2RpovT
-/XpB6QES1zoBQya3QjnDbQ==
------END CERTIFICATE-----
-`
-       clientKey := `-----BEGIN RSA PRIVATE KEY-----
-MIIJKQIBAAKCAgEAvjWL5bx+Cq0oG62eQ5rSoYCk8nsdJQiDEG3pNvuZHx6Rry+e
-jyEgTjaHAxdigiI7UWAz0z1883y/NOdavaJMBdvD+pd2fXhFPTUmsbOPU5Tcz1TR
-EyYNZWzxU5jedx1x0+ipy0w2vYr7rCU3oSkbUNANQS8HRjKpmkVam5k/RqTOMWp4
-k1KjdvyE/gnWexYHEq3pNEicLrSNPWaEoKNMHUixdUL7lJh/QWEw3ZlA+ALIgir6
-PlLu0e1rhCz5QM1jTCEgwGRjdkAY/NQEUTHCtftsY1t4ljMNqE0AqISPl2WJ5G/N
-OflSKxK/kTMNQ40tKW4ScJTUaF3919m1nCUwFTo4h+XCbpZfsd48PQbxcQN7mptT
-+2D/raP4DWExLaBKWJs2KzK83Aw3PoiZzcKcgVQvaZOyCXVsIEt85cN+uO17lPGe
-3bprI3T5aGZVK2zT6Wfq+ca2BUaofRuan3nIxFg96P7oBEQy1++s0DuJk5HKmym/
-Y1XJXXVvonHej+kk4Cr12YCwq8nqErQhV//nm3dm3NFr99jDR/vwpta4RzuqbHa0
-HGcR+mlvmIH9EWYjZsNoAQDSUNCACqaIC7W6161+qwLADWbdVcanxWn6V7ED8zcG
-RvkEdroLXVAMe8aNRXB247KYsAcq6a92B/tMkWeWGmDqNg26c7nxtFJMjosCAwEA
-AQKCAgAHKzF4mSAO+vO2B1cdqSojGBwfX3B7wtRdvCa8AcOFnrtS5PKO5mq3R+rS
-vQDjcrLVoFCTt4+MBbmXHtkWqJVA60V5nlfC5tOFOQmaTPAr8EJaNhIjLJ34oqB9
-zBcmWh++ItizZs3xWtmdZVGxa0EyTIUTXdhiVup5e/+sOZxe5zs2NZMRyl2K0H2a
-rXg971iY5aESbWIliHyCQejhvQXTXLgDeWDN+ulg527WCz6dmk1ASqpfyvRhSRdy
-RdenD5aceesoFSCChmvqq3r2LG/wN+ef3wSudIIhQ7WwpD5dMGCAEY6kjrcAFJbP
-vCLV1u5Kz3E2eQWAYXp9tiDYH7auJWoOIvIMIAuWcPVtu/XmQt8kNCxLvnS4gZpD
-i3DFTrziA/5+Qn1y2rI3V4jn/sWai9r92dfEhZiWtZ8sh0K3d5qMj9mWgQ4+KjX3
-HICZWDUOdMUeyfYgmVSEGxgcAZqj7JSGcMZCzxH2W9zMspQ+KWKr+YjIiw7YTLfj
-r4lzR89G+Wdqr/BCvAEEfm3S0j3Xcwytnm9ljdiwEXpIBwhyfzJjkfTAGdoPbqFS
-CScpO02m18ma/wwkDHuqJ7Zijvbybv7syk9byyxXCcckl+cn3agzdxh9AlJg6ASO
-IqAWtnM7x7/WwqZfxbUXo/GPjpR+1XJksHREJ+G1zokMyZNKIQKCAQEA8+jqv7V7
-UuBloJxlUZ7+5t7H8LX14VheW+kNrWxUoyp6p72HCulm/Vq8y8kkI6nXCvmIUSoS
-wMZa38DWXGcfq4nU7dBV7fRqvBEy+3sbBjJBKaxPmi3atlYmm12GC9aaL4Z7hwHm
-Sa+YeKxNH7dIIbom9SHT6c0/v1/zEit4c36z4dKHsUlobFx6NqJvjGdAAVDYR5hc
-56pEoMDkQsmFKzHo7sZxxrAvaaTrjJo7lgCC7fjQuXs2DSlaYcoZxO2GZ7mPj48z
-Jz57xDksll/LbqgYAhK84m6ioaTM8uAU72FKceC3VO2VoUNMjXDoOHIRNNu2rQjU
-iD4X1yiC65K1gwKCAQEAx6Myf8l4ijZIPuGwLgBWQV1ID+3V86+1cNB8hRi4s+6p
-apvakfzGgcuBWUqYqBwxflLuO4XaX4tp/DneOwSo+m2w126FCYlAPcPL3A+PYnG0
-fbf5PuKxW1kHkJeR5KeXENT2w+aTKlDvrWYGYtLW+xFZca/LIxVDsKb2iGre8mDb
-lIzRxfopAzOU0P/rI6CE0482LAcDfjxCxN3uzRhDp+f0d4T6/doYCd7rt7KZ29ww
-lpRrSbW4psM9s//VnBKdJUrUbf5DftRPUm0bhD0V0FgCP/E/louLS90d0aVRpC9F
-7kAYn3fb/wAkLUvcYM0WfM9PtxkT+wgaW4uy5CB8WQKCAQEA0cVD/9TpV4G+Zb+c
-M/J2b8CyXIdiDIifvpRVOw2sTRg/nPwXpH7QIJ1lOi6ncjSjycCKSKPStRDjHwUO
-VzIpvrIv+sfu31QSZ+Sy4C4kM9QMzvZvD77YF3FIit6IZq4OtUkH/DjaAg2PKFmn
-ittqofcjgjextabcaI7w0nOoiEw0EMesBAGKWYe/ZDWXkj1Kgtcw64JShLufglHi
-/r2qVlf6aUEqoSLt5AH+w1HyZTPTZy9S8/LPrcoe/XN/biqKKbMhkOorqFjIwR4b
-BskkgOr4mu/amzNjk3nU+h1WY/pcuEv34Ibk5Win8g1k6wbPXZKJLZAmmXYtstIY
-ptnqWQKCAQAD3+8C++4TAKq2TbsVqXwDGMRlSsB0Uly7K9C+5JPxKhivsQa0/qr7
-qe+AxCniWWm8ge+NyDNM12/fLWBa1ORSt/5OsB506O0ORdaXFtY5mutd5Uw5JD09
-AKVc8RQr0/Tipr+DXd5NW/TK8Mf+8wipJtUNl9PhgnAl5ZezXh+lpKueXn1T0l8p
-aL7ir5ToxBzP3l+2ywwOTy0clRIleOsXPzFHgJU+iBUfW+xHTHggBE4NHiRW8ef7
-lJ6F99k1hkb2ilVFLUIyG/zOJL/7+ROLT6n7g7swONUjS89gWk0TWreIwEW6EqF6
-eY46Mta8Kj7dfUiWzS3OGYIpdLSsKNVBAoIBAQC+oHivmfh0EF5DSn1jhXSB024w
-uEF7wZbH9PtzBshxU7onPaUzA+REBlooW7Aevg1I9aNyvCErJznzzF4E3Sm4JlY4
-pXAxNqpTcGurUt1MPjkgGmhVs5hNrkOJA5qcdvMO3DjOYfKl0X3LWXE3yPL82ztq
-kUp9iFjcpERPOQ8fU5RpmQazGtxck14EG47BlpHmGVf2eyidbXTMyxA7KpQ1tKKS
-RAmKucXUNJSR8wYGSg5ymvsnChTaYHLL1gmIdQli2y8XxqUaYC1tXrEt4g5z4a/O
-+LD4uA7Fy2PdgiYSDlxA+u6lYI670sh3MR4tV7qssTK+U4735IlN3LxL1Fqn
------END RSA PRIVATE KEY-----
-`
 
-       s := scaffold.NewDefaultV2Scaffold()
-       ginkgo.It("create ApisixUpstreams with mTLS", func() {
-               // Prepare an backend that requires mTLS, copy from ssl.go
-               // create secrets
-               err := s.NewSecret(serverCertSecret, serverCert, serverKey)
-               assert.NoError(ginkgo.GinkgoT(), err, "create server cert 
secret error")
-               err = s.NewClientCASecret(clientCASecret, rootCA, "")
-               assert.NoError(ginkgo.GinkgoT(), err, "create client CA cert 
secret error")
+       f, err := ioutil.ReadFile("testbackend/tls/client.crt")
+       assert.NoError(ginkgo.GinkgoT(), err, "read client cert")
+       clientCert := string(f)
 
-               // create ApisixTls resource
-               tlsName := "tls-with-client-ca"
-               host := "mtls.httpbin.local"
-               err = s.NewApisixTlsWithClientCA(tlsName, host, 
serverCertSecret, clientCASecret)
-               assert.NoError(ginkgo.GinkgoT(), err, "create ApisixTls with 
client CA error")
+       f, err = ioutil.ReadFile("testbackend/tls/client.key")
+       assert.NoError(ginkgo.GinkgoT(), err, "read client key")
+       clientKey := string(f)
 
-               // check ssl in APISIX
-               time.Sleep(10 * time.Second)
-               apisixSsls, err := s.ListApisixSsl()
-               assert.NoError(ginkgo.GinkgoT(), err, "list ssl error")
-               assert.Len(ginkgo.GinkgoT(), apisixSsls, 1, "ssl number not 
expect")
+       s := scaffold.NewDefaultV2Scaffold()
+       ginkgo.It("create ApisixUpstreams with http mTLS", func() {
+               //create client secret
+               err := s.NewSecret(clientSecret, clientCert, clientKey)
+               assert.NoError(ginkgo.GinkgoT(), err, "create client cert 
secret")
 
-               // create route
-               backendSvc, backendSvcPort := s.DefaultHTTPBackend()
-               apisixRoute := fmt.Sprintf(`
+               err = 
s.NewApisixUpstreamsWithMTLS("test-backend-service-e2e-test", "https", 
clientSecret)
+               assert.NoError(ginkgo.GinkgoT(), err, "create ApisixUpstreams 
with client secret")
+               err = s.CreateResourceFromString(`
 apiVersion: apisix.apache.org/v2beta2
 kind: ApisixRoute
 metadata:
-  name: httpbin-route
+  name: upstream-is-mtls.httpbin.local
 spec:
   http:
-  - name: rule1
+  - backends:
+    - serviceName: test-backend-service-e2e-test
+      servicePort: 8443
     match:
       hosts:
-      - mtls.httpbin.local
+      - 'upstream-is-mtls.httpbin.local'
       paths:
       - /*
-    backends:
-    - serviceName: %s
-      servicePort: %d
-`, backendSvc, backendSvcPort[0])
-               assert.Nil(ginkgo.GinkgoT(), 
s.CreateResourceFromString(apisixRoute))
+    plugins:
+    - name: proxy-rewrite
+      enable: true
+      config:
+        host: 'e2e.apisix.local'
+    name: upstream-is-mtls
+`)
+               assert.NoError(ginkgo.GinkgoT(), err, "create ApisixRoute for 
backend that require mTLS")
                time.Sleep(10 * time.Second)
-
                apisixRoutes, err := s.ListApisixRoutes()
                assert.NoError(ginkgo.GinkgoT(), err, "list routes error")
                assert.Len(ginkgo.GinkgoT(), apisixRoutes, 1, "route number not 
expect")
 
-               // Without Client Cert
-               s.NewAPISIXHttpsClient(host).GET("/ip").WithHeader("Host", 
host).Expect().Status(http.StatusBadRequest).Body().Raw()
+               s.NewAPISIXClient().GET("/hello").WithHeader("Host", 
"upstream-is-mtls.httpbin.local").Expect().Status(http.StatusOK).Body().Raw()
+       })
 
-               // With client cert
-               caCertPool := x509.NewCertPool()
-               ok := caCertPool.AppendCertsFromPEM([]byte(rootCA))
-               assert.True(ginkgo.GinkgoT(), ok, "Append cert to CA pool")
+       ginkgo.FIt("create ApisixUpstreams with grpc mTLS", func() {

Review comment:
       Remove the `F` prefix.

##########
File path: test/e2e/scaffold/scaffold.go
##########
@@ -56,16 +56,17 @@ type Options struct {
 }
 
 type Scaffold struct {
-       opts              *Options
-       kubectlOptions    *k8s.KubectlOptions
-       namespace         string
-       t                 testing.TestingT
-       nodes             []corev1.Node
-       etcdService       *corev1.Service
-       apisixService     *corev1.Service
-       httpbinDeployment *appsv1.Deployment
-       httpbinService    *corev1.Service
-       finializers       []func()
+       opts                   *Options
+       kubectlOptions         *k8s.KubectlOptions
+       namespace              string
+       t                      testing.TestingT
+       nodes                  []corev1.Node
+       etcdService            *corev1.Service
+       apisixService          *corev1.Service
+       httpbinDeployment      *appsv1.Deployment
+       httpbinService     *corev1.Service

Review comment:
       The fields are not aligned.




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