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>
74 lines
2 KiB
Go
74 lines
2 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 loadbalance
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import (
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"fmt"
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"net/http"
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"regexp"
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"strings"
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"github.com/onsi/ginkgo/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.DescribeSetting("[Load Balancer] round-robin", func() {
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f := framework.NewDefaultFramework("round-robin")
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ginkgo.BeforeEach(func() {
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f.NewEchoDeployment(framework.WithDeploymentReplicas(3))
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f.UpdateNginxConfigMapData("worker-processes", "1")
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})
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ginkgo.It("should evenly distribute requests with round-robin (default algorithm)", func() {
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host := loadBalanceHost
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f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, nil))
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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 load-balance.com")
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})
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re, err := regexp.Compile(fmt.Sprintf(`%v.*`, framework.EchoService))
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assert.Nil(ginkgo.GinkgoT(), err, "error compiling regex")
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replicaRequestCount := map[string]int{}
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for i := 0; i < 600; i++ {
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body := 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).Body().Raw()
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replica := re.FindString(body)
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assert.NotEmpty(ginkgo.GinkgoT(), replica)
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if _, ok := replicaRequestCount[replica]; !ok {
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replicaRequestCount[replica] = 1
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} else {
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replicaRequestCount[replica]++
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}
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}
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for _, v := range replicaRequestCount {
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assert.Equal(ginkgo.GinkgoT(), 200, v)
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}
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})
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})
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