783 lines
25 KiB
Go
783 lines
25 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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"time"
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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/ingress-nginx/test/e2e/framework"
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)
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const (
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waitForLuaSync = 5 * time.Second
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canaryService = "echo-canary"
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)
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var _ = framework.IngressNginxDescribe("Annotations - canary", func() {
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f := framework.NewDefaultFramework("canary")
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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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Context("when canary is created", func() {
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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, 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 Expect(server).Should(ContainSubstring("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, 80, &canaryAnnotations)
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f.EnsureIngress(canaryIng)
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time.Sleep(waitForLuaSync)
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resp, body, errs := gorequest.New().
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Get(f.GetURL(framework.HTTP)).
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Set("Host", host).
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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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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})
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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, f.Namespace, canaryService,
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80, &canaryAnnotations)
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f.EnsureIngress(canaryIng)
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time.Sleep(waitForLuaSync)
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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.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 Expect(server).Should(ContainSubstring("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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time.Sleep(waitForLuaSync)
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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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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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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, 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 Expect(server).Should(ContainSubstring("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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time.Sleep(waitForLuaSync)
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By("routing requests destined for the mainline ingress to the maineline upstream")
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resp, body, 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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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By("routing requests destined for the canary ingress to the canary upstream")
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resp, body, 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.StatusOK))
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Expect(body).Should(ContainSubstring(canaryService))
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})
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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, f.Namespace, canaryService,
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80, &canaryAnnotations)
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f.EnsureIngress(canaryIng)
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time.Sleep(waitForLuaSync)
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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 Expect(server).Should(ContainSubstring("server_name foo"))
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})
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By("routing requests destined for the mainline ingress to the mainelin upstream")
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resp, body, 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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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By("routing requests destined for the canary ingress to the canary upstream")
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resp, body, 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.StatusOK))
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Expect(body).Should(ContainSubstring(canaryService))
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})
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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, 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 Expect(server).Should(ContainSubstring("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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time.Sleep(waitForLuaSync)
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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, framework.EchoService, 80, &modAnnotations)
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f.EnsureIngress(modIng)
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f.WaitForNginxServer(host,
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func(server string) bool {
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return Expect(server).Should(ContainSubstring("server_name foo"))
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})
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By("routing requests destined fro the mainline ingress to the mainline upstream")
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resp, body, 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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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By("routing requests destined for the canary ingress to the canary upstream")
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resp, body, 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.StatusOK))
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Expect(body).Should(ContainSubstring(canaryService))
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})
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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, 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 Expect(server).Should(ContainSubstring("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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time.Sleep(waitForLuaSync)
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modCanaryAnnotations := 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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modCanaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService, 80, &modCanaryAnnotations)
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f.EnsureIngress(modCanaryIng)
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time.Sleep(waitForLuaSync)
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By("routing requests destined for the mainline ingress to the mainline upstream")
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resp, body, errs := gorequest.New().
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Get(f.GetURL(framework.HTTP)).
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Set("Host", host).
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Set("CanaryByHeader2", "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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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By("routing requests destined for the canary ingress to the canary upstream")
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resp, body, errs = gorequest.New().
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Get(f.GetURL(framework.HTTP)).
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Set("Host", host).
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Set("CanaryByHeader2", "always").
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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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Expect(body).Should(ContainSubstring(canaryService))
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})
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})
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Context("when canaried by header with no value", func() {
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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, 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 Expect(server).Should(ContainSubstring("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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time.Sleep(waitForLuaSync)
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By("routing requests to the canary upstream when header is set to 'always'")
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resp, body, 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.StatusOK))
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Expect(body).Should(ContainSubstring(canaryService))
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By("routing requests to the mainline upstream when header is set to 'never'")
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resp, body, 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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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By("routing requests to the mainline upstream when header is set to anything else")
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resp, body, 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", "badheadervalue").
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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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Expect(body).Should(ContainSubstring(framework.EchoService))
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Expect(body).ShouldNot(ContainSubstring(canaryService))
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})
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})
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Context("when canaried by header with value", func() {
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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, 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 Expect(server).Should(ContainSubstring("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-value": "DoCanary",
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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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time.Sleep(waitForLuaSync)
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By("routing requests to the canary upstream when header is set to 'DoCanary'")
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resp, body, 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", "DoCanary").
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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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|
Expect(body).Should(ContainSubstring(canaryService))
|
|
|
|
By("routing requests to the mainline upstream when header is set to 'always'")
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
Set("CanaryByHeader", "always").
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
|
|
By("routing requests to the mainline upstream when header is set to 'never'")
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
Set("CanaryByHeader", "never").
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
|
|
By("routing requests to the mainline upstream when header is set to anything else")
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
Set("CanaryByHeader", "otherheadervalue").
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
})
|
|
})
|
|
|
|
Context("when canaried by header with value and cookie", func() {
|
|
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 Expect(server).Should(ContainSubstring("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)
|
|
|
|
time.Sleep(waitForLuaSync)
|
|
|
|
By("routing requests to the canary upstream when header value does not match and cookie is set to 'always'")
|
|
resp, body, errs := gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
Set("CanaryByHeader", "otherheadervalue").
|
|
AddCookie(&http.Cookie{Name: "CanaryByCookie", Value: "always"}).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(canaryService))
|
|
})
|
|
})
|
|
|
|
Context("when canaried by cookie", func() {
|
|
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 Expect(server).Should(ContainSubstring("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)
|
|
|
|
time.Sleep(waitForLuaSync)
|
|
|
|
By("routing requests to the canary upstream when cookie is set to 'always'")
|
|
resp, body, errs := gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
AddCookie(&http.Cookie{Name: "Canary-By-Cookie", Value: "always"}).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(canaryService))
|
|
|
|
By("routing requests to the mainline upstream when cookie is set to 'never'")
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
AddCookie(&http.Cookie{Name: "Canary-By-Cookie", Value: "never"}).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
|
|
By("routing requests to the mainline upstream when cookie is set to anything else")
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
AddCookie(&http.Cookie{Name: "Canary-By-Cookie", Value: "badcookievalue"}).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
})
|
|
})
|
|
|
|
// TODO: add testing for canary-weight 0 < weight < 100
|
|
Context("when canaried by weight", func() {
|
|
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 Expect(server).Should(ContainSubstring("server_name foo"))
|
|
})
|
|
|
|
canaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-weight": "0",
|
|
}
|
|
|
|
canaryIngName := fmt.Sprintf("%v-canary", host)
|
|
|
|
canaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService,
|
|
80, &canaryAnnotations)
|
|
f.EnsureIngress(canaryIng)
|
|
|
|
time.Sleep(waitForLuaSync)
|
|
|
|
By("returning requests from the mainline only when weight is equal to 0")
|
|
|
|
resp, body, errs := gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(framework.EchoService))
|
|
Expect(body).ShouldNot(ContainSubstring(canaryService))
|
|
|
|
By("returning requests from the canary only when weight is equal to 100")
|
|
|
|
modCanaryAnnotations := map[string]string{
|
|
"nginx.ingress.kubernetes.io/canary": "true",
|
|
"nginx.ingress.kubernetes.io/canary-weight": "100",
|
|
}
|
|
|
|
modCanaryIng := framework.NewSingleIngress(canaryIngName, "/", host, f.Namespace, canaryService, 80, &modCanaryAnnotations)
|
|
|
|
f.EnsureIngress(modCanaryIng)
|
|
|
|
time.Sleep(waitForLuaSync)
|
|
|
|
resp, body, errs = gorequest.New().
|
|
Get(f.GetURL(framework.HTTP)).
|
|
Set("Host", host).
|
|
End()
|
|
|
|
Expect(errs).Should(BeEmpty())
|
|
Expect(resp.StatusCode).Should(Equal(http.StatusOK))
|
|
Expect(body).Should(ContainSubstring(canaryService))
|
|
|
|
})
|
|
})
|
|
|
|
Context("Single canary Ingress", func() {
|
|
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 Expect(server).Should(ContainSubstring(`set $ingress_name "`+host+`";`)) &&
|
|
Expect(server).ShouldNot(ContainSubstring(`set $proxy_upstream_name "upstream-default-backend";`)) &&
|
|
Expect(server).ShouldNot(ContainSubstring(canaryUpstreamName)) &&
|
|
Expect(server).Should(ContainSubstring(upstreamName))
|
|
})
|
|
})
|
|
|
|
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)
|
|
|
|
time.Sleep(waitForLuaSync)
|
|
|
|
f.WaitForNginxConfiguration(func(cfg string) bool {
|
|
return Expect(cfg).Should(ContainSubstring("server_name "+otherHost)) &&
|
|
Expect(cfg).ShouldNot(ContainSubstring("server_name "+host))
|
|
})
|
|
})
|
|
})
|
|
|
|
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 Expect(server).Should(ContainSubstring("server_name foo"))
|
|
})
|
|
})
|
|
})
|