5b0cc8edca
* Migrate ginkgo to v2 * Update test/e2e/annotations/ipwhitelist.go Co-authored-by: Jintao Zhang <tao12345666333@163.com> * Update test/e2e/annotations/modsecurity/modsecurity.go Co-authored-by: Jintao Zhang <tao12345666333@163.com> * Update test/e2e/settings/access_log.go Co-authored-by: Jintao Zhang <tao12345666333@163.com> * remove unnecessary blank line * re-order packages * less change Co-authored-by: Jintao Zhang <tao12345666333@163.com>
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/*
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Copyright 2020 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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"strconv"
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"strings"
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"sync"
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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.DescribeAnnotation("Annotation - limit-connections", func() {
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f := framework.NewDefaultFramework("limit-connections")
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ginkgo.BeforeEach(func() {
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f.NewSlowEchoDeployment()
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})
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ginkgo.It("should limit-connections", func() {
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host := "limit-connections"
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ing := framework.NewSingleIngress(host, "/", host, f.Namespace, framework.SlowEchoService, 80, nil)
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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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// limit connections
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connectionLimit := 8
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annotations := map[string]string{
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"nginx.ingress.kubernetes.io/limit-connections": strconv.Itoa(connectionLimit),
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}
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ing.SetAnnotations(annotations)
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f.UpdateIngress(ing)
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f.WaitForNginxConfiguration(func(server string) bool {
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return strings.Contains(server, "limit_conn") && strings.Contains(server, fmt.Sprintf("conn %v;", connectionLimit))
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})
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requests := 20
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results := make(chan int, requests)
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worker := func(wg *sync.WaitGroup) {
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defer wg.Done()
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defer ginkgo.GinkgoRecover()
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resp := f.HTTPTestClient().
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GET("/sleep/10").
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WithHeader("Host", host).
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Expect().
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Raw()
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if resp != nil {
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results <- resp.StatusCode
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}
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}
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var wg sync.WaitGroup
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for currentRequest := 0; currentRequest < requests; currentRequest++ {
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wg.Add(1)
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go worker(&wg)
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}
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wg.Wait()
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ok := 0
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failed := 0
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errors := 0
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close(results)
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for status := range results {
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switch status {
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case 200:
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ok++
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case 503:
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failed++
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default:
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errors++
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}
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}
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assert.Equal(ginkgo.GinkgoT(), connectionLimit, ok, "expecting the ok (200) requests to be equal to the connection limit")
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assert.Equal(ginkgo.GinkgoT(), requests-connectionLimit, failed, "expecting the failed (503) requests to be the total requests - connection limit")
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assert.Equal(ginkgo.GinkgoT(), 0, errors, "expecting failed (other than 503) requests to ber zero")
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})
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})
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