149 lines
4.4 KiB
Go
149 lines
4.4 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors All rights reserved.
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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 stress
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"os"
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"os/exec"
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"runtime"
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"testing"
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"time"
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"github.com/hashicorp/go-getter"
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"k8s.io/minikube/pkg/util"
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)
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const newPath = "../../out/minikube"
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const cmdTimeout = int64(90 * 1000)
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// TestStress runs the stress test
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func TestStress(t *testing.T) {
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profile := "stress"
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if *startArgs != "" {
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h := md5.Sum([]byte(*startArgs))
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profile += hex.EncodeToString(h[:])
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}
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_, err := os.Stat(newPath)
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if os.IsNotExist(err) {
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t.Fatalf("latest minikube binary is missing, run make")
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}
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oldPath := fmt.Sprintf("../../out/minikube-%s", *upgradeFrom)
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url := util.GetBinaryDownloadURL(*upgradeFrom, runtime.GOOS, runtime.GOARCH)
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t.Logf("Downloading minikube %s from %s", *upgradeFrom, url)
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err = getter.GetFile(oldPath, url)
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if err != nil {
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t.Fatalf("failed download minikube %s: %v", *upgradeFrom, err)
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}
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if runtime.GOOS != "windows" {
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err := os.Chmod(oldPath, 0755)
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if err != nil {
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t.Fatalf("Failed to chmod old binary: %v", err)
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}
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}
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defer Cleanup(t, oldPath, profile)
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for i := 1; i <= *loops; i++ {
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t.Logf("Loop %d of %d: %s to HEAD", i, *loops, *upgradeFrom)
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runStress(t, oldPath, profile, i)
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t.Logf("Loop %d of %d done.", i, *loops)
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}
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}
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type stressFunc func(*testing.T, string, string, int)
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// This run the guts of the actual test
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func runStress(t *testing.T, oldPath string, profile string, loop int) {
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// Cleanup old runs
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runCommand(t, false, newPath, "delete", "-p", profile)
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t.Run("stress", func(t *testing.T) {
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tests := []struct {
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name string
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validator stressFunc
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}{
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{"HotOldToNewUpgrade", validateHotOldToNewUpgrade},
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{"ColdOldToNewUpgrade", validateColdOldToNewUpgrade},
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{"HotHeadRestart", validateHotHeadRestart},
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{"ColdHeadRestart", validateColdHeadRestart},
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}
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for _, tc := range tests {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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tc.validator(t, oldPath, profile, loop)
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})
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}
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})
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}
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func validateHotOldToNewUpgrade(t *testing.T, oldPath string, profile string, i int) {
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t.Logf("Hot upgrade from %s to HEAD", *upgradeFrom)
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runCommand(t, true, oldPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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runCommand(t, true, newPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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runCommand(t, false, newPath, "delete", "-p", profile)
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}
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func validateColdOldToNewUpgrade(t *testing.T, oldPath string, profile string, i int) {
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t.Logf("Cold upgrade from %s to HEAD", *upgradeFrom)
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runCommand(t, false, oldPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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runCommand(t, false, oldPath, "stop", "-p", profile)
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runCommand(t, true, newPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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}
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func validateHotHeadRestart(t *testing.T, oldPath string, profile string, i int) {
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t.Logf("Restart HEAD test")
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runCommand(t, true, newPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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}
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func validateColdHeadRestart(t *testing.T, oldPath string, profile string, i int) {
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t.Logf("Cold HEAD restart")
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runCommand(t, false, newPath, "stop", "-p", profile)
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runCommand(t, true, newPath, "start", "-p", profile, *startArgs, "--alsologtostderr")
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}
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func Cleanup(t *testing.T, oldPath string, profile string) {
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runCommand(t, false, newPath, "delete", "-p", profile)
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os.Remove(oldPath)
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}
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func runCommand(t *testing.T, errorOut bool, mkPath string, args ...string) {
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c := exec.Command(mkPath, args...)
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t.Logf("Running: %s, %v", mkPath, args)
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start := time.Now()
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out, err := c.CombinedOutput()
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if err != nil {
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if errorOut {
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t.Errorf("Error running %s %v: %v", mkPath, args, err)
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t.Logf("Command output: %q", out)
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} else {
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t.Logf("Error running %s %v: %v", mkPath, args, err)
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}
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return
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}
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elapsed := time.Since(start)
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if elapsed.Milliseconds() > cmdTimeout && errorOut {
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t.Errorf("Command took too long: %s %v took %f seconds", mkPath, args, elapsed.Seconds())
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}
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}
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