b3060bfbd0
* Fix golangci-lint errors Signed-off-by: z1cheng <imchench@gmail.com> * Fix dupl errors Signed-off-by: z1cheng <imchench@gmail.com> * Fix comments Signed-off-by: z1cheng <imchench@gmail.com> * Fix errcheck lint errors Signed-off-by: z1cheng <imchench@gmail.com> * Fix assert in e2e test Signed-off-by: z1cheng <imchench@gmail.com> * Not interrupt the waitForPodsReady Signed-off-by: z1cheng <imchench@gmail.com> * Replace string with constant Signed-off-by: z1cheng <imchench@gmail.com> * Fix comments Signed-off-by: z1cheng <imchench@gmail.com> * Revert write file permision Signed-off-by: z1cheng <imchench@gmail.com> --------- Signed-off-by: z1cheng <imchench@gmail.com>
94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
/*
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Copyright 2022 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 endpointslices
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"github.com/onsi/ginkgo/v2"
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"github.com/stretchr/testify/assert"
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"k8s.io/ingress-nginx/test/e2e/framework"
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)
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var _ = framework.IngressNginxDescribeSerial("[TopologyHints] topology aware routing", func() {
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f := framework.NewDefaultFramework("topology")
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host := "topology-svc.foo.com"
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ginkgo.BeforeEach(func() {
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f.NewEchoDeployment(framework.WithDeploymentReplicas(2), framework.WithSvcTopologyAnnotations())
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})
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ginkgo.It("should return 200 when service has topology hints", func() {
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annotations := make(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, 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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ginkgo.By("checking if the service is reached")
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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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slices, err := f.KubeClientSet.DiscoveryV1().EndpointSlices(f.Namespace).List(context.TODO(), metav1.ListOptions{
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LabelSelector: "kubernetes.io/service-name=echo",
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Limit: 1,
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})
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assert.Nil(ginkgo.GinkgoT(), err)
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// check if we have hints, really depends on k8s endpoint slice controller
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gotHints := true
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for _, ep := range slices.Items[0].Endpoints {
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if ep.Hints == nil || len(ep.Hints.ForZones) == 0 {
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gotHints = false
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break
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}
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}
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dbgCmd := "/dbg backends all"
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status, err := f.ExecIngressPod(dbgCmd)
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assert.Nil(ginkgo.GinkgoT(), err)
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var backends []map[string]interface{}
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err = json.Unmarshal([]byte(status), &backends)
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assert.Nil(ginkgo.GinkgoT(), err, "unexpected error unmarshalling backends")
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gotBackends := 0
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for _, bck := range backends {
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if strings.Contains(bck["name"].(string), "topology") {
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gotBackends = len(bck["endpoints"].([]interface{}))
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}
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}
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if gotHints {
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// we have 2 replics, if there is just one backend it means that we are routing according slices hints to same zone as controller is
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assert.Equal(ginkgo.GinkgoT(), 1, gotBackends)
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} else {
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// two replicas should have two endpoints without topology hints
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assert.Equal(ginkgo.GinkgoT(), 2, gotBackends)
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}
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})
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})
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