d44a8e0045
* Fix golang-ci linter errors Signed-off-by: z1cheng <imchench@gmail.com> * Fix gofmt errors Signed-off-by: z1cheng <imchench@gmail.com> * Add nolint comment to defaults.Backend in Configuration Signed-off-by: z1cheng <imchench@gmail.com> * Add #nosec comment to rand.New func Signed-off-by: z1cheng <imchench@gmail.com> * Fix errcheck warnings Signed-off-by: z1cheng <imchench@gmail.com> * Fix gofmt check Signed-off-by: z1cheng <imchench@gmail.com> * Fix unit tests and comments Signed-off-by: z1cheng <imchench@gmail.com> --------- Signed-off-by: z1cheng <imchench@gmail.com>
229 lines
7.9 KiB
Go
229 lines
7.9 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package settings
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import (
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"context"
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"crypto/tls"
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"fmt"
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"io"
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"net"
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"strings"
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"github.com/onsi/ginkgo/v2"
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"github.com/stretchr/testify/assert"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/ingress-nginx/test/e2e/framework"
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)
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var _ = framework.DescribeSetting("use-proxy-protocol", func() {
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f := framework.NewDefaultFramework("proxy-protocol")
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setting := "use-proxy-protocol"
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ginkgo.BeforeEach(func() {
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f.NewEchoDeployment()
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f.UpdateNginxConfigMapData(setting, "false")
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})
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ginkgo.It("should respect port passed by the PROXY Protocol", func() {
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host := "proxy-protocol"
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f.UpdateNginxConfigMapData(setting, "true")
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f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, nil))
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "server_name proxy-protocol") &&
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strings.Contains(server, "listen 80 proxy_protocol")
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})
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ip := f.GetNginxIP()
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conn, err := net.Dial("tcp", net.JoinHostPort(ip, "80"))
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error creating connection to %s:80", ip)
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defer conn.Close()
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header := "PROXY TCP4 192.168.0.1 192.168.0.11 56324 1234\r\n"
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if _, err := conn.Write([]byte(header)); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing header")
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}
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if _, err := conn.Write([]byte("GET / HTTP/1.1\r\nHost: proxy-protocol\r\n\r\n")); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing request")
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}
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data, err := io.ReadAll(conn)
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error reading connection data")
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body := string(data)
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assert.Contains(ginkgo.GinkgoT(), body, fmt.Sprintf("host=%v", "proxy-protocol"))
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-port=1234")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-proto=http")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-for=192.168.0.1")
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})
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ginkgo.It("should respect proto passed by the PROXY Protocol server port", func() {
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host := "proxy-protocol"
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f.UpdateNginxConfigMapData(setting, "true")
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f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, nil))
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "server_name proxy-protocol") &&
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strings.Contains(server, "listen 80 proxy_protocol")
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})
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ip := f.GetNginxIP()
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conn, err := net.Dial("tcp", net.JoinHostPort(ip, "80"))
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error creating connection to %s:80", ip)
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defer conn.Close()
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header := "PROXY TCP4 192.168.0.1 192.168.0.11 56324 443\r\n"
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if _, err := conn.Write([]byte(header)); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing header")
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}
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if _, err := conn.Write([]byte("GET / HTTP/1.1\r\nHost: proxy-protocol\r\n\r\n")); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing request")
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}
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data, err := io.ReadAll(conn)
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error reading connection data")
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body := string(data)
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assert.Contains(ginkgo.GinkgoT(), body, fmt.Sprintf("host=%v", "proxy-protocol"))
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-port=443")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-proto=https")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-for=192.168.0.1")
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})
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ginkgo.It("should enable PROXY Protocol for HTTPS", func() {
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host := "proxy-protocol"
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f.UpdateNginxConfigMapData(setting, "true")
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ing := f.EnsureIngress(framework.NewSingleIngressWithTLS(host, "/", host, []string{host}, f.Namespace, framework.EchoService, 80, nil))
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tlsConfig, err := framework.CreateIngressTLSSecret(f.KubeClientSet,
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ing.Spec.TLS[0].Hosts,
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ing.Spec.TLS[0].SecretName,
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ing.Namespace)
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assert.Nil(ginkgo.GinkgoT(), err)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "443 proxy_protocol")
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})
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ip := f.GetNginxIP()
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conn, err := net.Dial("tcp", net.JoinHostPort(ip, "443"))
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error connecting to %v:443", ip)
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defer conn.Close()
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_, err = fmt.Fprintf(conn, "PROXY TCP4 192.168.0.1 192.168.0.11 56324 1234\r\n")
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assert.Nil(ginkgo.GinkgoT(), err, "writing proxy protocol")
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tlsConn := tls.Client(conn, tlsConfig)
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defer tlsConn.Close()
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_, err = tlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: proxy-protocol\r\n\r\n"))
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assert.Nil(ginkgo.GinkgoT(), err, "writing HTTP request")
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data, err := io.ReadAll(tlsConn)
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error reading connection data")
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body := string(data)
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assert.Contains(ginkgo.GinkgoT(), body, fmt.Sprintf("host=%v", "proxy-protocol"))
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-port=1234")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-proto=https")
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assert.Contains(ginkgo.GinkgoT(), body, "x-scheme=https")
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assert.Contains(ginkgo.GinkgoT(), body, "x-forwarded-for=192.168.0.1")
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})
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ginkgo.It("should enable PROXY Protocol for TCP", func() {
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cmapData := map[string]string{}
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cmapData[setting] = "true"
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cmapData["enable-real-ip"] = "true"
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f.SetNginxConfigMapData(cmapData)
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config, err := f.KubeClientSet.
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CoreV1().
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ConfigMaps(f.Namespace).
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Get(context.TODO(), "tcp-services", metav1.GetOptions{})
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error obtaining tcp-services configmap")
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assert.NotNil(ginkgo.GinkgoT(), config, "expected a configmap but none returned")
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if config.Data == nil {
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config.Data = map[string]string{}
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}
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config.Data["8080"] = fmt.Sprintf("%v/%v:80:PROXY", f.Namespace, framework.EchoService)
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_, err = f.KubeClientSet.
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CoreV1().
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ConfigMaps(f.Namespace).
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Update(context.TODO(), config, metav1.UpdateOptions{})
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error updating configmap")
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svc, err := f.KubeClientSet.
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CoreV1().
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Services(f.Namespace).
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Get(context.TODO(), "nginx-ingress-controller", metav1.GetOptions{})
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error obtaining ingress-nginx service")
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assert.NotNil(ginkgo.GinkgoT(), svc, "expected a service but none returned")
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svc.Spec.Ports = append(svc.Spec.Ports, corev1.ServicePort{
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Name: framework.EchoService,
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Port: 8080,
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TargetPort: intstr.FromInt(8080),
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})
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_, err = f.KubeClientSet.
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CoreV1().
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Services(f.Namespace).
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Update(context.TODO(), svc, metav1.UpdateOptions{})
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error updating service")
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// wait for update and nginx reload and new endpoint is available
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framework.Sleep()
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ip := f.GetNginxIP()
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conn, err := net.Dial("tcp", net.JoinHostPort(ip, "8080"))
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error creating connection to %s:8080", ip)
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defer conn.Close()
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header := "PROXY TCP4 192.168.0.1 192.168.0.11 56324 8080\r\n"
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if _, err := conn.Write([]byte(header)); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing header")
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}
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if _, err := conn.Write([]byte("GET / HTTP/1.1\r\nHost: proxy-protocol\r\n\r\n")); err != nil {
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error writing request")
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}
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_, err = io.ReadAll(conn)
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error reading connection data")
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logs, err := f.NginxLogs()
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assert.Nil(ginkgo.GinkgoT(), err, "obtaining nginx logs")
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assert.Contains(ginkgo.GinkgoT(), logs, `192.168.0.1`)
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})
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})
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