216 lines
7 KiB
Go
216 lines
7 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 annotations
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import (
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"fmt"
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"net/http"
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"strings"
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"github.com/onsi/ginkgo"
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"github.com/stretchr/testify/assert"
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"k8s.io/ingress-nginx/test/e2e/framework"
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)
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var _ = framework.DescribeAnnotation("rewrite-target use-regex enable-rewrite-log", func() {
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f := framework.NewDefaultFramework("rewrite")
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ginkgo.BeforeEach(func() {
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f.NewEchoDeployment()
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})
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ginkgo.It("should write rewrite logs", func() {
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ginkgo.By("setting enable-rewrite-log annotation")
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host := "rewrite.bar.com"
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/rewrite-target": "/",
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"nginx.ingress.kubernetes.io/enable-rewrite-log": "true",
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}
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ing := framework.NewSingleIngress(host, "/something", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "rewrite_log on;")
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})
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f.HTTPTestClient().
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GET("/something").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK)
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logs, err := f.NginxLogs()
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assert.Nil(ginkgo.GinkgoT(), err)
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assert.Contains(ginkgo.GinkgoT(), logs, `"(?i)/something" matches "/something", client:`)
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assert.Contains(ginkgo.GinkgoT(), logs, `rewritten data: "/", args: "",`)
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})
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ginkgo.It("should use correct longest path match", func() {
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host := "rewrite.bar.com"
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ginkgo.By("creating a regular ingress definition")
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ing := framework.NewSingleIngress("kube-lego", "/.well-known/acme/challenge", host, f.Namespace, framework.EchoService, 80, nil)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "/.well-known/acme/challenge")
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})
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ginkgo.By("making a request to the non-rewritten location")
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expectBodyRequestURI := fmt.Sprintf("request_uri=http://%v:80/.well-known/acme/challenge", host)
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f.HTTPTestClient().
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GET("/.well-known/acme/challenge").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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ginkgo.By(`creating an ingress definition with the rewrite-target annotation set on the "/" location`)
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/rewrite-target": "/new/backend",
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}
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rewriteIng := framework.NewSingleIngress("rewrite-index", "/", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(rewriteIng)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, `location ~* "^/" {`) &&
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strings.Contains(server, `location ~* "^/.well-known/acme/challenge" {`)
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})
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ginkgo.By("making a second request to the non-rewritten location")
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f.HTTPTestClient().
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GET("/.well-known/acme/challenge").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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})
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ginkgo.It("should use ~* location modifier if regex annotation is present", func() {
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host := "rewrite.bar.com"
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ginkgo.By("creating a regular ingress definition")
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ing := framework.NewSingleIngress("foo", "/foo", host, f.Namespace, framework.EchoService, 80, nil)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, "location /foo/ {")
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})
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ginkgo.By(`creating an ingress definition with the use-regex amd rewrite-target annotation`)
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/use-regex": "true",
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"nginx.ingress.kubernetes.io/rewrite-target": "/new/backend",
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}
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ing = framework.NewSingleIngress("regex", "/foo.+", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, `location ~* "^/foo" {`) &&
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strings.Contains(server, `location ~* "^/foo.+" {`)
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})
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ginkgo.By("ensuring '/foo' matches '~* ^/foo'")
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expectBodyRequestURI := fmt.Sprintf("request_uri=http://%v:80/foo", host)
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f.HTTPTestClient().
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GET("/foo").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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ginkgo.By("ensuring '/foo/bar' matches '~* ^/foo.+'")
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expectBodyRequestURI = fmt.Sprintf("request_uri=http://%v:80/new/backend", host)
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f.HTTPTestClient().
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GET("/foo/bar").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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})
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ginkgo.It("should fail to use longest match for documented warning", func() {
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host := "rewrite.bar.com"
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ginkgo.By("creating a regular ingress definition")
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ing := framework.NewSingleIngress("foo", "/foo/bar/bar", host, f.Namespace, framework.EchoService, 80, nil)
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f.EnsureIngress(ing)
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ginkgo.By(`creating an ingress definition with the use-regex annotation`)
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/use-regex": "true",
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"nginx.ingress.kubernetes.io/rewrite-target": "/new/backend",
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}
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ing = framework.NewSingleIngress("regex", "/foo/bar/[a-z]{3}", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, `location ~* "^/foo/bar/bar" {`) &&
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strings.Contains(server, `location ~* "^/foo/bar/[a-z]{3}" {`)
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})
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ginkgo.By("check that '/foo/bar/bar' does not match the longest exact path")
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expectBodyRequestURI := fmt.Sprintf("request_uri=http://%v:80/new/backend", host)
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f.HTTPTestClient().
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GET("/foo/bar/bar").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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})
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ginkgo.It("should allow for custom rewrite parameters", func() {
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host := "rewrite.bar.com"
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ginkgo.By(`creating an ingress definition with the use-regex annotation`)
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/use-regex": "true",
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"nginx.ingress.kubernetes.io/rewrite-target": "/new/backend/$1",
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}
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ing := framework.NewSingleIngress("regex", "/foo/bar/(.+)", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(ing)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return strings.Contains(server, `location ~* "^/foo/bar/(.+)" {`)
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})
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ginkgo.By("check that '/foo/bar/bar' redirects to custom rewrite")
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expectBodyRequestURI := fmt.Sprintf("request_uri=http://%v:80/new/backend/bar", host)
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f.HTTPTestClient().
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GET("/foo/bar/bar").
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WithHeader("Host", host).
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Expect().
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Status(http.StatusOK).
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Body().Contains(expectBodyRequestURI)
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})
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})
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