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Add e2e test suite to detect memory leaks in lua
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| #!/bin/bash | ||
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| # Copyright 2018 The Kubernetes Authors. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
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| if ! [ -z "$DEBUG" ]; then | ||
| set -x | ||
| fi | ||
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| set -o errexit | ||
| set -o nounset | ||
| set -o pipefail | ||
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| RED='\e[35m' | ||
| NC='\e[0m' | ||
| BGREEN='\e[32m' | ||
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| declare -a mandatory | ||
| mandatory=( | ||
| E2E_NODES | ||
| SLOW_E2E_THRESHOLD | ||
| ) | ||
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| missing=false | ||
| for var in "${mandatory[@]}"; do | ||
| if [[ -z "${!var:-}" ]]; then | ||
| echo -e "${RED}Environment variable $var must be set${NC}" | ||
| missing=true | ||
| fi | ||
| done | ||
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| if [ "$missing" = true ]; then | ||
| exit 1 | ||
| fi | ||
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| function cleanup { | ||
| kubectl delete pod e2e 2>/dev/null || true | ||
| } | ||
| trap cleanup EXIT | ||
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| E2E_CHECK_LEAKS=${E2E_CHECK_LEAKS:-} | ||
| FOCUS=${FOCUS:-.*} | ||
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| export E2E_CHECK_LEAKS | ||
| export FOCUS | ||
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| echo -e "${BGREEN}Granting permissions to ingress-nginx e2e service account...${NC}" | ||
| kubectl create serviceaccount ingress-nginx-e2e || true | ||
| kubectl create clusterrolebinding permissive-binding \ | ||
| --clusterrole=cluster-admin \ | ||
| --user=admin \ | ||
| --user=kubelet \ | ||
| --serviceaccount=default:ingress-nginx-e2e || true | ||
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| until kubectl get secret | grep -q ^ingress-nginx-e2e-token; do \ | ||
| echo -e "waiting for api token"; \ | ||
| sleep 3; \ | ||
| done | ||
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| kubectl run --rm \ | ||
| --attach \ | ||
| --restart=Never \ | ||
| --generator=run-pod/v1 \ | ||
| --env="E2E_NODES=${E2E_NODES}" \ | ||
| --env="FOCUS=${FOCUS}" \ | ||
| --env="E2E_CHECK_LEAKS=${E2E_CHECK_LEAKS}" \ | ||
| --env="SLOW_E2E_THRESHOLD=${SLOW_E2E_THRESHOLD}" \ | ||
| --overrides='{ "apiVersion": "v1", "spec":{"serviceAccountName": "ingress-nginx-e2e"}}' \ | ||
| e2e --image=nginx-ingress-controller:e2e |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package leaks | ||
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| import ( | ||
| "crypto/tls" | ||
| "fmt" | ||
| "net/http" | ||
| "strings" | ||
| "time" | ||
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| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
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| "github.com/parnurzeal/gorequest" | ||
| pool "gopkg.in/go-playground/pool.v3" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
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| "k8s.io/ingress-nginx/test/e2e/framework" | ||
| ) | ||
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| var _ = framework.IngressNginxDescribe("DynamicCertificates", func() { | ||
| f := framework.NewDefaultFramework("lua-dynamic-certificates") | ||
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| BeforeEach(func() { | ||
| f.NewEchoDeployment() | ||
| }) | ||
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| AfterEach(func() { | ||
| }) | ||
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| framework.MemoryLeakIt("should not leak memory from ingress SSL certificates or configuration updates", func() { | ||
| hostCount := 1000 | ||
| iterations := 10 | ||
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| By("Waiting a minute before starting the test") | ||
| time.Sleep(1 * time.Minute) | ||
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| for iteration := 1; iteration <= iterations; iteration++ { | ||
| By(fmt.Sprintf("Running iteration %v", iteration)) | ||
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| p := pool.NewLimited(200) | ||
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| batch := p.Batch() | ||
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| for index := 1; index <= hostCount; index++ { | ||
| host := fmt.Sprintf("hostname-%v", index) | ||
| batch.Queue(run(host, f)) | ||
| } | ||
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| batch.QueueComplete() | ||
| batch.WaitAll() | ||
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| p.Close() | ||
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| By("waiting one minute before next iteration") | ||
| time.Sleep(1 * time.Minute) | ||
| } | ||
| }) | ||
| }) | ||
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| func privisionIngress(hostname string, f *framework.Framework) { | ||
| ing := f.EnsureIngress(framework.NewSingleIngressWithTLS(hostname, "/", hostname, []string{hostname}, f.Namespace, "http-svc", 80, nil)) | ||
| _, err := framework.CreateIngressTLSSecret(f.KubeClientSet, | ||
| ing.Spec.TLS[0].Hosts, | ||
| ing.Spec.TLS[0].SecretName, | ||
| ing.Namespace) | ||
| Expect(err).NotTo(HaveOccurred()) | ||
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| f.WaitForNginxServer(hostname, | ||
| func(server string) bool { | ||
| return strings.Contains(server, fmt.Sprintf("server_name %v", hostname)) && | ||
| strings.Contains(server, "listen 443") | ||
| }) | ||
| } | ||
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| func checkIngress(hostname string, f *framework.Framework) { | ||
| req := gorequest.New() | ||
| resp, _, errs := req. | ||
| Get(f.GetURL(framework.HTTPS)). | ||
| TLSClientConfig(&tls.Config{ServerName: hostname, InsecureSkipVerify: true}). | ||
| Set("Host", hostname). | ||
| End() | ||
| Expect(errs).Should(BeEmpty()) | ||
| Expect(resp.StatusCode).Should(Equal(http.StatusOK)) | ||
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| // check the returned secret is not the fake one | ||
| cert := resp.TLS.PeerCertificates[0] | ||
| Expect(cert.DNSNames[0]).Should(Equal(hostname)) | ||
| } | ||
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| func deleteIngress(hostname string, f *framework.Framework) { | ||
| err := f.KubeClientSet.ExtensionsV1beta1().Ingresses(f.Namespace).Delete(hostname, &metav1.DeleteOptions{}) | ||
| Expect(err).NotTo(HaveOccurred(), "unexpected error deleting ingress") | ||
| } | ||
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| func run(host string, f *framework.Framework) pool.WorkFunc { | ||
| return func(wu pool.WorkUnit) (interface{}, error) { | ||
| if wu.IsCancelled() { | ||
| return nil, nil | ||
| } | ||
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| By(fmt.Sprintf("\tcreating ingress for host %v", host)) | ||
| privisionIngress(host, f) | ||
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| time.Sleep(100 * time.Millisecond) | ||
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| By(fmt.Sprintf("\tchecking ingress for host %v", host)) | ||
| checkIngress(host, f) | ||
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| By(fmt.Sprintf("\tdestroying ingress for host %v", host)) | ||
| deleteIngress(host, f) | ||
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| return true, nil | ||
| } | ||
| } |