817 lines
26 KiB
Go
817 lines
26 KiB
Go
/*
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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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"strings"
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"github.com/onsi/ginkgo"
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"github.com/stretchr/testify/assert"
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networking "k8s.io/api/networking/v1beta1"
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"k8s.io/ingress-nginx/test/e2e/framework"
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)
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const (
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canaryService = "echo-canary"
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)
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var _ = framework.DescribeAnnotation("canary-*", func() {
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f := framework.NewDefaultFramework("canary")
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ginkgo.BeforeEach(func() {
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// Deployment for main backend
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f.NewEchoDeployment()
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// Deployment for canary backend
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f.NewEchoDeploymentWithNameAndReplicas(canaryService, 1)
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})
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ginkgo.Context("when canary is created", func() {
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ginkgo.It("should response with a 200 status from the mainline upstream when requests are made to the mainline ingress", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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f.HTTPTestClient().
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GET("/").
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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(framework.EchoService).NotContains(canaryService)
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})
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ginkgo.It("should return 404 status for requests to the canary if no matching ingress is found", func() {
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host := "foo"
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusNotFound)
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})
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/*
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TODO: This test needs improvements made to the e2e framework so that deployment updates work in order to successfully run
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It("should return the correct status codes when endpoints are unavailable", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", 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,"server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService,
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80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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ginkgo.By("returning a 503 status when the mainline deployment has 0 replicas and a request is sent to the canary")
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f.NewEchoDeploymentWithReplicas(0)
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resp, _, errs := gorequest.New().
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Get(f.GetURL(framework.HTTP)).
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Set("Host", host).
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Set("CanaryByHeader", "always").
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End()
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Expect(errs).Should(BeEmpty())
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Expect(resp.StatusCode).Should(Equal(http.StatusServiceUnavailable))
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ginkgo.By("returning a 200 status when the canary deployment has 0 replicas and a request is sent to the mainline ingress")
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f.NewEchoDeploymentWithReplicas(1)
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f.NewDeployment(canaryService, "gcr.io/kubernetes-e2e-test-images/echoserver:2.2", 8080, 0)
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resp, _, errs = gorequest.New().
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Get(f.GetURL(framework.HTTP)).
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Set("Host", host).
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Set("CanaryByHeader", "never").
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End()
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Expect(errs).Should(BeEmpty())
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Expect(resp.StatusCode).Should(Equal(http.StatusOK))
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})
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*/
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ginkgo.It("should route requests to the correct upstream if mainline ingress is created before the canary ingress", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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ginkgo.By("routing requests destined for the mainline ingress to the maineline upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "never").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests destined for the canary ingress to the canary upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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})
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ginkgo.It("should route requests to the correct upstream if mainline ingress is created after the canary ingress", func() {
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host := "foo"
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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ginkgo.By("routing requests destined for the mainline ingress to the mainelin upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "never").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests destined for the canary ingress to the canary upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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})
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ginkgo.It("should route requests to the correct upstream if the mainline ingress is modified", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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modAnnotations := map[string]string{
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"foo": "bar",
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}
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modIng := framework.NewSingleIngress(host, "/", host, f.Namespace,
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framework.EchoService, 80, modAnnotations)
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f.UpdateIngress(modIng)
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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 foo")
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})
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ginkgo.By("routing requests destined fro the mainline ingress to the mainline upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "never").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests destined for the canary ingress to the canary upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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})
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ginkgo.It("should route requests to the correct upstream if the canary ingress is modified", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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err := framework.UpdateIngress(f.KubeClientSet, f.Namespace, canaryIngName,
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func(ingress *networking.Ingress) error {
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ingress.ObjectMeta.Annotations = map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader2",
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}
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return nil
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})
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assert.Nil(ginkgo.GinkgoT(), err)
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ginkgo.By("routing requests destined for the mainline ingress to the mainline upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader2", "never").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests destined for the canary ingress to the canary upstream")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader2", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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})
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})
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ginkgo.Context("when canaried by header with no value", func() {
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ginkgo.It("should route requests to the correct upstream", func() {
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host := "foo"
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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ginkgo.By("routing requests to the canary upstream when header is set to 'always'")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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ginkgo.By("routing requests to the mainline upstream when header is set to 'never'")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "never").
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Expect().
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Status(http.StatusOK).
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Body().
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Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests to the mainline upstream when header is set to anything else")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "badheadervalue").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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})
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})
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ginkgo.Context("when canaried by header with value", func() {
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ginkgo.It("should route requests to the correct upstream", func() {
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host := "foo"
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annotations := map[string]string{}
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ing := framework.NewSingleIngress(host, "/", host,
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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, "server_name foo")
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})
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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"nginx.ingress.kubernetes.io/canary-by-header-value": "DoCanary",
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}
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canaryIngName := fmt.Sprintf("%v-canary", host)
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
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f.Namespace, canaryService, 80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
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ginkgo.By("routing requests to the canary upstream when header is set to 'DoCanary'")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "DoCanary").
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Expect().
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Status(http.StatusOK).
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Body().Contains(canaryService)
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ginkgo.By("routing requests to the mainline upstream when header is set to 'always'")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "always").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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|
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ginkgo.By("routing requests to the mainline upstream when header is set to 'never'")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "never").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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ginkgo.By("routing requests to the mainline upstream when header is set to anything else")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "otherheadervalue").
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Expect().
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Status(http.StatusOK).
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Body().Contains(framework.EchoService).NotContains(canaryService)
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})
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})
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ginkgo.Context("when canaried by header with value and pattern", func() {
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ginkgo.It("should route requests to the correct upstream", func() {
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host := "foo"
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annotations := map[string]string{}
|
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|
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, annotations)
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f.EnsureIngress(ing)
|
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|
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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 foo")
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})
|
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|
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canaryAnnotations := map[string]string{
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"nginx.ingress.kubernetes.io/canary": "true",
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"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
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"nginx.ingress.kubernetes.io/canary-by-header-pattern": "^Do[A-Z][a-z]+y$",
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}
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|
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canaryIngName := fmt.Sprintf("%v-canary", host)
|
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|
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canaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService,
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80, canaryAnnotations)
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f.EnsureIngress(canaryIng)
|
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|
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ginkgo.By("routing requests to the canary upstream when header pattern is matched")
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f.HTTPTestClient().
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GET("/").
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WithHeader("Host", host).
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WithHeader("CanaryByHeader", "DoCanary").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(canaryService)
|
|
|
|
ginkgo.By("routing requests to the mainline upstream when header failed to match header value")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithHeader("CanaryByHeader", "Docanary").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(framework.EchoService).NotContains(canaryService)
|
|
})
|
|
ginkgo.It("should route requests to the correct upstream", func() {
|
|
host := "foo"
|
|
annotations := map[string]string{}
|
|
|
|
ing := framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
"nginx.ingress.kubernetes.io/canary-by-header-value": "DoCanary",
|
|
"nginx.ingress.kubernetes.io/canary-by-header-pattern": "^Do[A-Z][a-z]+y$",
|
|
}
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService,
|
|
80, canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
ginkgo.By("routing requests to the mainline upstream when header is set to 'DoCananry' and header-value is 'DoCanary'")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithHeader("CanaryByHeader", "DoCananry").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(framework.EchoService).NotContains(canaryService)
|
|
})
|
|
ginkgo.It("should routes to mainline upstream when the given Regex causes error", func() {
|
|
host := "foo"
|
|
annotations := map[string]string{}
|
|
|
|
ing := framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
"nginx.ingress.kubernetes.io/canary-by-header-pattern": "[][**da?$&*",
|
|
"nginx.ingress.kubernetes.io/canary-by-cookie": "CanaryByCookie",
|
|
}
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService,
|
|
80, canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
ginkgo.By("routing requests to the mainline upstream when the given Regex causes error")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithHeader("CanaryByHeader", "DoCanary").
|
|
WithCookie("CanaryByCookie", "always").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(framework.EchoService).NotContains(canaryService)
|
|
})
|
|
})
|
|
|
|
ginkgo.Context("when canaried by header with value and cookie", func() {
|
|
ginkgo.It("should route requests to the correct upstream", func() {
|
|
host := "foo"
|
|
annotations := map[string]string{}
|
|
|
|
ing := framework.NewSingleIngress(host, "/", host,
|
|
f.Namespace, framework.EchoService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
"nginx.ingress.kubernetes.io/canary-by-header-value": "DoCanary",
|
|
"nginx.ingress.kubernetes.io/canary-by-cookie": "CanaryByCookie",
|
|
}
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
|
|
f.Namespace, canaryService, 80, canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
ginkgo.By("routing requests to the canary upstream when header value does not match and cookie is set to 'always'")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithHeader("CanaryByHeader", "otherheadervalue").
|
|
WithCookie("CanaryByCookie", "always").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(canaryService)
|
|
})
|
|
})
|
|
|
|
ginkgo.Context("when canaried by cookie", func() {
|
|
ginkgo.It("should route requests to the correct upstream", func() {
|
|
host := "foo"
|
|
annotations := map[string]string{}
|
|
|
|
ing := framework.NewSingleIngress(host, "/", host,
|
|
f.Namespace, framework.EchoService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-cookie": "Canary-By-Cookie",
|
|
}
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
|
|
f.Namespace, canaryService, 80, canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
ginkgo.By("routing requests to the canary upstream when cookie is set to 'always'")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithCookie("Canary-By-Cookie", "always").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(canaryService)
|
|
|
|
ginkgo.By("routing requests to the mainline upstream when cookie is set to 'never'")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithCookie("Canary-By-Cookie", "never").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(framework.EchoService).NotContains(canaryService)
|
|
|
|
ginkgo.By("routing requests to the mainline upstream when cookie is set to anything else")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
WithCookie("Canary-By-Cookie", "badcookievalue").
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().Contains(framework.EchoService).NotContains(canaryService)
|
|
})
|
|
})
|
|
|
|
// TODO: add testing for canary-weight 0 < weight < 100
|
|
ginkgo.Context("when canaried by weight", func() {
|
|
ginkgo.It("should route requests to the correct upstream", func() {
|
|
host := "foo"
|
|
annotations := map[string]string{}
|
|
|
|
ing := framework.NewSingleIngress(host, "/", host,
|
|
f.Namespace, framework.EchoService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-weight": "0",
|
|
}
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host,
|
|
f.Namespace, canaryService, 80, canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
ginkgo.By("returning requests from the mainline only when weight is equal to 0")
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().
|
|
Contains(framework.EchoService).
|
|
NotContains(canaryService)
|
|
|
|
ginkgo.By("returning requests from the canary only when weight is equal to 100")
|
|
|
|
err := framework.UpdateIngress(f.KubeClientSet, f.Namespace, canaryIngName,
|
|
func(ingress *networking.Ingress) error {
|
|
ingress.ObjectMeta.Annotations = map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-weight": "100",
|
|
}
|
|
return nil
|
|
})
|
|
assert.Nil(ginkgo.GinkgoT(), err)
|
|
|
|
f.HTTPTestClient().
|
|
GET("/").
|
|
WithHeader("Host", host).
|
|
Expect().
|
|
Status(http.StatusOK).
|
|
Body().
|
|
Contains(canaryService)
|
|
})
|
|
})
|
|
|
|
ginkgo.Context("Single canary Ingress", func() {
|
|
ginkgo.It("should not use canary as a catch-all server", func() {
|
|
host := "foo"
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
annotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
}
|
|
|
|
ing := framework.NewSingleCatchAllIngress(canaryIngName,
|
|
f.Namespace, canaryService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
ing = framework.NewSingleCatchAllIngress(host, f.Namespace,
|
|
framework.EchoService, 80, nil)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer("_",
|
|
func(server string) bool {
|
|
upstreamName := fmt.Sprintf(`set $proxy_upstream_name "%s-%s-%s";`, f.Namespace, framework.EchoService, "80")
|
|
canaryUpstreamName := fmt.Sprintf(`set $proxy_upstream_name "%s-%s-%s";`, f.Namespace, canaryService, "80")
|
|
|
|
return strings.Contains(server, fmt.Sprintf(`set $ingress_name "%v";`, host)) &&
|
|
!strings.Contains(server, `set $proxy_upstream_name "upstream-default-backend";`) &&
|
|
!strings.Contains(server, canaryUpstreamName) &&
|
|
strings.Contains(server, upstreamName)
|
|
})
|
|
})
|
|
|
|
ginkgo.It("should not use canary with domain as a server", func() {
|
|
host := "foo"
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
annotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
}
|
|
|
|
ing := framework.NewSingleIngress(canaryIngName, "/", host,
|
|
f.Namespace, canaryService, 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
otherHost := "bar"
|
|
ing = framework.NewSingleIngress(otherHost, "/", otherHost,
|
|
f.Namespace, framework.EchoService, 80, nil)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxConfiguration(func(cfg string) bool {
|
|
return strings.Contains(cfg, "server_name "+otherHost) &&
|
|
!strings.Contains(cfg, "server_name "+host)
|
|
})
|
|
})
|
|
})
|
|
|
|
ginkgo.It("does not crash when canary ingress has multiple paths to the same non-matching backend", func() {
|
|
host := "foo"
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
annotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-by-header": "CanaryByHeader",
|
|
}
|
|
|
|
paths := []string{"/foo", "/bar"}
|
|
ing := framework.NewSingleIngressWithMultiplePaths(canaryIngName, paths, host,
|
|
f.Namespace, "httpy-svc-canary", 80, annotations)
|
|
f.EnsureIngress(ing)
|
|
|
|
ing = framework.NewSingleIngress(host, "/", host, f.Namespace,
|
|
framework.EchoService, 80, nil)
|
|
f.EnsureIngress(ing)
|
|
|
|
f.WaitForNginxServer(host,
|
|
func(server string) bool {
|
|
return strings.Contains(server, "server_name foo")
|
|
})
|
|
})
|
|
})
|