github.com/Heebron/moby@v0.0.0-20221111184709-6eab4f55faf7/testutil/fakestorage/fixtures.go (about)

     1  package fakestorage // import "github.com/docker/docker/testutil/fakestorage"
     2  
     3  import (
     4  	"context"
     5  	"io"
     6  	"os"
     7  	"os/exec"
     8  	"path/filepath"
     9  	"sync"
    10  	"testing"
    11  
    12  	"github.com/docker/docker/api/types"
    13  	"github.com/docker/docker/pkg/archive"
    14  	"gotest.tools/v3/assert"
    15  )
    16  
    17  var ensureHTTPServerOnce sync.Once
    18  
    19  func ensureHTTPServerImage(t testing.TB) {
    20  	t.Helper()
    21  	var doIt bool
    22  	ensureHTTPServerOnce.Do(func() {
    23  		doIt = true
    24  	})
    25  
    26  	if !doIt {
    27  		return
    28  	}
    29  
    30  	defer testEnv.ProtectImage(t, "httpserver:latest")
    31  
    32  	tmp, err := os.MkdirTemp("", "docker-http-server-test")
    33  	if err != nil {
    34  		t.Fatalf("could not build http server: %v", err)
    35  	}
    36  	defer os.RemoveAll(tmp)
    37  
    38  	goos := testEnv.OSType
    39  	if goos == "" {
    40  		goos = "linux"
    41  	}
    42  	goarch := os.Getenv("DOCKER_ENGINE_GOARCH")
    43  	if goarch == "" {
    44  		goarch = "amd64"
    45  	}
    46  
    47  	cpCmd, lookErr := exec.LookPath("cp")
    48  	if lookErr != nil {
    49  		t.Fatalf("could not build http server: %v", lookErr)
    50  	}
    51  
    52  	if _, err = os.Stat("../contrib/httpserver/httpserver"); os.IsNotExist(err) {
    53  		goCmd, lookErr := exec.LookPath("go")
    54  		if lookErr != nil {
    55  			t.Fatalf("could not build http server: %v", lookErr)
    56  		}
    57  
    58  		cmd := exec.Command(goCmd, "build", "-o", filepath.Join(tmp, "httpserver"), "github.com/docker/docker/contrib/httpserver")
    59  		cmd.Env = append(os.Environ(), []string{
    60  			"CGO_ENABLED=0",
    61  			"GOOS=" + goos,
    62  			"GOARCH=" + goarch,
    63  		}...)
    64  		var out []byte
    65  		if out, err = cmd.CombinedOutput(); err != nil {
    66  			t.Fatalf("could not build http server: %s", string(out))
    67  		}
    68  	} else {
    69  		if out, err := exec.Command(cpCmd, "../contrib/httpserver/httpserver", filepath.Join(tmp, "httpserver")).CombinedOutput(); err != nil {
    70  			t.Fatalf("could not copy http server: %v", string(out))
    71  		}
    72  	}
    73  
    74  	if out, err := exec.Command(cpCmd, "../contrib/httpserver/Dockerfile", filepath.Join(tmp, "Dockerfile")).CombinedOutput(); err != nil {
    75  		t.Fatalf("could not build http server: %v", string(out))
    76  	}
    77  
    78  	c := testEnv.APIClient()
    79  	reader, err := archive.TarWithOptions(tmp, &archive.TarOptions{})
    80  	assert.NilError(t, err)
    81  	resp, err := c.ImageBuild(context.Background(), reader, types.ImageBuildOptions{
    82  		Remove:      true,
    83  		ForceRemove: true,
    84  		Tags:        []string{"httpserver"},
    85  	})
    86  	assert.NilError(t, err)
    87  	_, err = io.Copy(io.Discard, resp.Body)
    88  	assert.NilError(t, err)
    89  }