2018-11-10 23:30:06 +00:00
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/*
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Copyright 2018 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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"regexp"
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"strings"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/parnurzeal/gorequest"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/ingress-nginx/test/e2e/framework"
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)
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func startIngress(f *framework.Framework, annotations *map[string]string) map[string]bool {
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host := "upstream-hash-by.foo.com"
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2019-02-22 14:03:42 +00:00
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace, "http-svc", 80, annotations)
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2018-11-10 23:30:06 +00:00
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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, fmt.Sprintf("server_name %s ;", host))
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})
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err := wait.PollImmediate(framework.Poll, framework.DefaultTimeout, func() (bool, error) {
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resp, _, _ := gorequest.New().
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2019-02-22 14:03:42 +00:00
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Get(f.GetURL(framework.HTTP)).
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2018-11-10 23:30:06 +00:00
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Set("Host", host).
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End()
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if resp.StatusCode == http.StatusOK {
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return true, nil
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}
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return false, nil
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})
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Expect(err).Should(BeNil())
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re, _ := regexp.Compile(`Hostname: http-svc.*`)
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podMap := map[string]bool{}
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for i := 0; i < 100; i++ {
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_, body, errs := gorequest.New().
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2019-02-22 14:03:42 +00:00
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Get(f.GetURL(framework.HTTP)).
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2018-11-10 23:30:06 +00:00
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Set("Host", host).
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End()
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Expect(errs).Should(BeEmpty())
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podName := re.FindString(body)
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Expect(podName).ShouldNot(Equal(""))
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podMap[podName] = true
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}
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return podMap
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}
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var _ = framework.IngressNginxDescribe("Annotations - UpstreamHashBy", func() {
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f := framework.NewDefaultFramework("upstream-hash-by")
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BeforeEach(func() {
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f.NewEchoDeploymentWithReplicas(6)
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})
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AfterEach(func() {
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})
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It("should connect to the same pod", func() {
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/upstream-hash-by": "$request_uri",
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}
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podMap := startIngress(f, &annotations)
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Expect(len(podMap)).Should(Equal(1))
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})
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It("should connect to the same subset of pods", func() {
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/upstream-hash-by": "$request_uri",
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"nginx.ingress.kubernetes.io/upstream-hash-by-subset": "true",
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"nginx.ingress.kubernetes.io/upstream-hash-by-subset-size": "3",
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}
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podMap := startIngress(f, &annotations)
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Expect(len(podMap)).Should(Equal(3))
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})
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})
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