354 lines
10 KiB
Go
354 lines
10 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Package image provides end-to-end image tests for runsc.
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// Each test calls docker commands to start up a container, and tests that it
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// is behaving properly, like connecting to a port or looking at the output.
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// The container is killed and deleted at the end.
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//
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// Setup instruction in test/README.md.
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package image
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"gvisor.dev/gvisor/runsc/dockerutil"
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"gvisor.dev/gvisor/runsc/testutil"
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)
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func TestHelloWorld(t *testing.T) {
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d := dockerutil.MakeDocker("hello-test")
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if err := d.Run("hello-world"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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if _, err := d.WaitForOutput("Hello from Docker!", 5*time.Second); err != nil {
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t.Fatalf("docker didn't say hello: %v", err)
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}
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}
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func runHTTPRequest(port int) error {
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url := fmt.Sprintf("http://localhost:%d/not-found", port)
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resp, err := http.Get(url)
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if err != nil {
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return fmt.Errorf("error reaching http server: %v", err)
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}
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if want := http.StatusNotFound; resp.StatusCode != want {
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return fmt.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want)
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}
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url = fmt.Sprintf("http://localhost:%d/latin10k.txt", port)
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resp, err = http.Get(url)
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if err != nil {
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return fmt.Errorf("Error reaching http server: %v", err)
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}
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if want := http.StatusOK; resp.StatusCode != want {
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return fmt.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return fmt.Errorf("Error reading http response: %v", err)
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}
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defer resp.Body.Close()
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// READALL is the last word in the file. Ensures everything was read.
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if want := "READALL"; strings.HasSuffix(string(body), want) {
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return fmt.Errorf("response doesn't contain %q, resp: %q", want, body)
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}
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return nil
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}
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func testHTTPServer(t *testing.T, port int) {
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const requests = 10
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ch := make(chan error, requests)
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for i := 0; i < requests; i++ {
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go func() {
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start := time.Now()
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err := runHTTPRequest(port)
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log.Printf("Response time %v: %v", time.Since(start).String(), err)
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ch <- err
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}()
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}
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for i := 0; i < requests; i++ {
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err := <-ch
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if err != nil {
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t.Errorf("testHTTPServer(%d) failed: %v", port, err)
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}
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}
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}
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func TestHttpd(t *testing.T) {
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if err := dockerutil.Pull("httpd"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("http-test")
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dir, err := dockerutil.PrepareFiles("latin10k.txt")
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if err != nil {
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t.Fatalf("PrepareFiles() failed: %v", err)
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}
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// Start the container.
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mountArg := dockerutil.MountArg(dir, "/usr/local/apache2/htdocs", dockerutil.ReadOnly)
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if err := d.Run("-p", "80", mountArg, "httpd"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Find where port 80 is mapped to.
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port, err := d.FindPort(80)
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if err != nil {
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t.Fatalf("docker.FindPort(80) failed: %v", err)
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}
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// Wait until it's up and running.
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if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
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t.Errorf("WaitForHTTP() timeout: %v", err)
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}
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testHTTPServer(t, port)
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}
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func TestNginx(t *testing.T) {
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if err := dockerutil.Pull("nginx"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("net-test")
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dir, err := dockerutil.PrepareFiles("latin10k.txt")
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if err != nil {
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t.Fatalf("PrepareFiles() failed: %v", err)
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}
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// Start the container.
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mountArg := dockerutil.MountArg(dir, "/usr/share/nginx/html", dockerutil.ReadOnly)
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if err := d.Run("-p", "80", mountArg, "nginx"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Find where port 80 is mapped to.
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port, err := d.FindPort(80)
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if err != nil {
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t.Fatalf("docker.FindPort(80) failed: %v", err)
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}
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// Wait until it's up and running.
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if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
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t.Errorf("WaitForHTTP() timeout: %v", err)
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}
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testHTTPServer(t, port)
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}
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func TestMysql(t *testing.T) {
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if err := dockerutil.Pull("mysql"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("mysql-test")
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// Start the container.
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if err := d.Run("-e", "MYSQL_ROOT_PASSWORD=foobar123", "mysql"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Wait until it's up and running.
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if _, err := d.WaitForOutput("port: 3306 MySQL Community Server", 3*time.Minute); err != nil {
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t.Fatalf("docker.WaitForOutput() timeout: %v", err)
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}
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client := dockerutil.MakeDocker("mysql-client-test")
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dir, err := dockerutil.PrepareFiles("mysql.sql")
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if err != nil {
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t.Fatalf("PrepareFiles() failed: %v", err)
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}
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// Tell mysql client to connect to the server and execute the file in verbose
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// mode to verify the output.
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args := []string{
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dockerutil.LinkArg(&d, "mysql"),
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dockerutil.MountArg(dir, "/sql", dockerutil.ReadWrite),
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"mysql",
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"mysql", "-hmysql", "-uroot", "-pfoobar123", "-v", "-e", "source /sql/mysql.sql",
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}
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if err := client.Run(args...); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer client.CleanUp()
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// Ensure file executed to the end and shutdown mysql.
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if _, err := client.WaitForOutput("--------------\nshutdown\n--------------", 15*time.Second); err != nil {
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t.Fatalf("docker.WaitForOutput() timeout: %v", err)
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}
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if _, err := d.WaitForOutput("mysqld: Shutdown complete", 30*time.Second); err != nil {
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t.Fatalf("docker.WaitForOutput() timeout: %v", err)
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}
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}
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func TestPythonHello(t *testing.T) {
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// TODO(b/136503277): Once we have more complete python runtime tests,
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// we can drop this one.
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const img = "gcr.io/gvisor-presubmit/python-hello"
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if err := dockerutil.Pull(img); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("python-hello-test")
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if err := d.Run("-p", "8080", img); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Find where port 8080 is mapped to.
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port, err := d.FindPort(8080)
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if err != nil {
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t.Fatalf("docker.FindPort(8080) failed: %v", err)
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}
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// Wait until it's up and running.
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if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
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t.Fatalf("WaitForHTTP() timeout: %v", err)
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}
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// Ensure that content is being served.
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url := fmt.Sprintf("http://localhost:%d", port)
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resp, err := http.Get(url)
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if err != nil {
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t.Errorf("Error reaching http server: %v", err)
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}
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if want := http.StatusOK; resp.StatusCode != want {
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t.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want)
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}
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}
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func TestTomcat(t *testing.T) {
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if err := dockerutil.Pull("tomcat:8.0"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("tomcat-test")
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if err := d.Run("-p", "8080", "tomcat:8.0"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Find where port 8080 is mapped to.
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port, err := d.FindPort(8080)
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if err != nil {
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t.Fatalf("docker.FindPort(8080) failed: %v", err)
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}
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// Wait until it's up and running.
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if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil {
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t.Fatalf("WaitForHTTP() timeout: %v", err)
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}
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// Ensure that content is being served.
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url := fmt.Sprintf("http://localhost:%d", port)
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resp, err := http.Get(url)
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if err != nil {
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t.Errorf("Error reaching http server: %v", err)
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}
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if want := http.StatusOK; resp.StatusCode != want {
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t.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want)
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}
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}
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func TestRuby(t *testing.T) {
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if err := dockerutil.Pull("ruby"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("ruby-test")
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dir, err := dockerutil.PrepareFiles("ruby.rb", "ruby.sh")
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if err != nil {
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t.Fatalf("PrepareFiles() failed: %v", err)
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}
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if err := os.Chmod(filepath.Join(dir, "ruby.sh"), 0333); err != nil {
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t.Fatalf("os.Chmod(%q, 0333) failed: %v", dir, err)
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}
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if err := d.Run("-p", "8080", dockerutil.MountArg(dir, "/src", dockerutil.ReadOnly), "ruby", "/src/ruby.sh"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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// Find where port 8080 is mapped to.
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port, err := d.FindPort(8080)
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if err != nil {
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t.Fatalf("docker.FindPort(8080) failed: %v", err)
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}
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// Wait until it's up and running, 'gem install' can take some time.
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if err := testutil.WaitForHTTP(port, 1*time.Minute); err != nil {
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t.Fatalf("WaitForHTTP() timeout: %v", err)
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}
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// Ensure that content is being served.
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url := fmt.Sprintf("http://localhost:%d", port)
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resp, err := http.Get(url)
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if err != nil {
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t.Errorf("error reaching http server: %v", err)
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}
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if want := http.StatusOK; resp.StatusCode != want {
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t.Errorf("wrong response code, got: %d, want: %d", resp.StatusCode, want)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("error reading body: %v", err)
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}
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if got, want := string(body), "Hello World"; !strings.Contains(got, want) {
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t.Errorf("invalid body content, got: %q, want: %q", got, want)
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}
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}
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func TestStdio(t *testing.T) {
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if err := dockerutil.Pull("alpine"); err != nil {
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t.Fatalf("docker pull failed: %v", err)
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}
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d := dockerutil.MakeDocker("stdio-test")
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wantStdout := "hello stdout"
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wantStderr := "bonjour stderr"
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cmd := fmt.Sprintf("echo %q; echo %q 1>&2;", wantStdout, wantStderr)
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if err := d.Run("alpine", "/bin/sh", "-c", cmd); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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defer d.CleanUp()
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for _, want := range []string{wantStdout, wantStderr} {
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if _, err := d.WaitForOutput(want, 5*time.Second); err != nil {
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t.Fatalf("docker didn't get output %q : %v", want, err)
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}
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}
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}
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func TestMain(m *testing.M) {
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dockerutil.EnsureSupportedDockerVersion()
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flag.Parse()
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os.Exit(m.Run())
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}
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