320 lines
8.7 KiB
Go
320 lines
8.7 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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"context"
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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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"strings"
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"testing"
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"time"
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"gvisor.dev/gvisor/pkg/test/dockerutil"
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"gvisor.dev/gvisor/pkg/test/testutil"
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)
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// defaultWait defines how long to wait for progress.
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//
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// See BUILD: This is at least a "large" test, so allow up to 1 minute for any
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// given "wait" step. Note that all tests are run in parallel, which may cause
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// individual slow-downs (but a huge speed-up in aggregate).
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const defaultWait = time.Minute
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func TestHelloWorld(t *testing.T) {
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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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// Run the basic container.
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out, err := d.Run(ctx, dockerutil.RunOpts{
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Image: "basic/alpine",
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}, "echo", "Hello world!")
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if err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Check the output.
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if !strings.Contains(out, "Hello world!") {
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t.Fatalf("docker didn't say hello: got %s", out)
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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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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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// Start the container.
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opts := dockerutil.RunOpts{
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Image: "basic/httpd",
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Ports: []int{80},
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}
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d.CopyFiles(&opts, "/usr/local/apache2/htdocs", "test/image/latin10k.txt")
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if err := d.Spawn(ctx, opts); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Find where port 80 is mapped to.
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port, err := d.FindPort(ctx, 80)
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if err != nil {
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t.Fatalf("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, defaultWait); 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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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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// Start the container.
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opts := dockerutil.RunOpts{
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Image: "basic/nginx",
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Ports: []int{80},
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}
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d.CopyFiles(&opts, "/usr/share/nginx/html", "test/image/latin10k.txt")
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if err := d.Spawn(ctx, opts); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Find where port 80 is mapped to.
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port, err := d.FindPort(ctx, 80)
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if err != nil {
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t.Fatalf("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, defaultWait); 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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ctx := context.Background()
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server := dockerutil.MakeContainer(ctx, t)
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defer server.CleanUp(ctx)
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// Start the container.
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if err := server.Spawn(ctx, dockerutil.RunOpts{
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Image: "basic/mysql",
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Env: []string{"MYSQL_ROOT_PASSWORD=foobar123"},
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}); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Wait until it's up and running.
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if _, err := server.WaitForOutput(ctx, "port: 3306 MySQL Community Server", defaultWait); err != nil {
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t.Fatalf("WaitForOutput() timeout: %v", err)
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}
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// Generate the client and copy in the SQL payload.
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client := dockerutil.MakeContainer(ctx, t)
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defer client.CleanUp(ctx)
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// Tell mysql client to connect to the server and execute the file in
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// verbose mode to verify the output.
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opts := dockerutil.RunOpts{
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Image: "basic/mysql",
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Links: []string{server.MakeLink("mysql")},
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}
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client.CopyFiles(&opts, "/sql", "test/image/mysql.sql")
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if _, err := client.Run(ctx, opts, "mysql", "-hmysql", "-uroot", "-pfoobar123", "-v", "-e", "source /sql/mysql.sql"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Ensure file executed to the end and shutdown mysql.
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if _, err := server.WaitForOutput(ctx, "mysqld: Shutdown complete", defaultWait); err != nil {
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t.Fatalf("WaitForOutput() timeout: %v", err)
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}
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}
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func TestTomcat(t *testing.T) {
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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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// Start the server.
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if err := d.Spawn(ctx, dockerutil.RunOpts{
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Image: "basic/tomcat",
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Ports: []int{8080},
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}); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Find where port 8080 is mapped to.
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port, err := d.FindPort(ctx, 8080)
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if err != nil {
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t.Fatalf("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, defaultWait); 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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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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// Execute the ruby workload.
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opts := dockerutil.RunOpts{
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Image: "basic/ruby",
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Ports: []int{8080},
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}
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d.CopyFiles(&opts, "/src", "test/image/ruby.rb", "test/image/ruby.sh")
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if err := d.Spawn(ctx, opts, "/src/ruby.sh"); err != nil {
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t.Fatalf("docker run failed: %v", err)
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}
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// Find where port 8080 is mapped to.
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port, err := d.FindPort(ctx, 8080)
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if err != nil {
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t.Fatalf("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, 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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ctx := context.Background()
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d := dockerutil.MakeContainer(ctx, t)
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defer d.CleanUp(ctx)
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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.Spawn(ctx, dockerutil.RunOpts{
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Image: "basic/alpine",
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}, "/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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for _, want := range []string{wantStdout, wantStderr} {
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if _, err := d.WaitForOutput(ctx, want, defaultWait); 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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