package fakestorage // import "github.com/docker/docker/internal/test/fakestorage" import ( "context" "io" "io/ioutil" "os" "os/exec" "path/filepath" "sync" "github.com/docker/docker/api/types" "github.com/docker/docker/internal/test" "github.com/docker/docker/pkg/archive" "gotest.tools/assert" ) var ensureHTTPServerOnce sync.Once func ensureHTTPServerImage(t testingT) { if ht, ok := t.(test.HelperT); ok { ht.Helper() } var doIt bool ensureHTTPServerOnce.Do(func() { doIt = true }) if !doIt { return } defer testEnv.ProtectImage(t, "httpserver:latest") tmp, err := ioutil.TempDir("", "docker-http-server-test") if err != nil { t.Fatalf("could not build http server: %v", err) } defer os.RemoveAll(tmp) goos := testEnv.OSType if goos == "" { goos = "linux" } goarch := os.Getenv("DOCKER_ENGINE_GOARCH") if goarch == "" { goarch = "amd64" } cpCmd, lookErr := exec.LookPath("cp") if lookErr != nil { t.Fatalf("could not build http server: %v", lookErr) } if _, err = os.Stat("../contrib/httpserver/httpserver"); os.IsNotExist(err) { goCmd, lookErr := exec.LookPath("go") if lookErr != nil { t.Fatalf("could not build http server: %v", lookErr) } cmd := exec.Command(goCmd, "build", "-o", filepath.Join(tmp, "httpserver"), "github.com/docker/docker/contrib/httpserver") cmd.Env = append(os.Environ(), []string{ "CGO_ENABLED=0", "GOOS=" + goos, "GOARCH=" + goarch, }...) var out []byte if out, err = cmd.CombinedOutput(); err != nil { t.Fatalf("could not build http server: %s", string(out)) } } else { if out, err := exec.Command(cpCmd, "../contrib/httpserver/httpserver", filepath.Join(tmp, "httpserver")).CombinedOutput(); err != nil { t.Fatalf("could not copy http server: %v", string(out)) } } if out, err := exec.Command(cpCmd, "../contrib/httpserver/Dockerfile", filepath.Join(tmp, "Dockerfile")).CombinedOutput(); err != nil { t.Fatalf("could not build http server: %v", string(out)) } c := testEnv.APIClient() reader, err := archive.TarWithOptions(tmp, &archive.TarOptions{}) assert.NilError(t, err) resp, err := c.ImageBuild(context.Background(), reader, types.ImageBuildOptions{ Remove: true, ForceRemove: true, Tags: []string{"httpserver"}, }) assert.NilError(t, err) _, err = io.Copy(ioutil.Discard, resp.Body) assert.NilError(t, err) }