github.com/jfrazelle/docker@v1.1.2-0.20210712172922-bf78e25fe508/testutil/fakestorage/fixtures.go (about)

     1  package fakestorage // import "github.com/docker/docker/testutil/fakestorage"
     2  
     3  import (
     4  	"context"
     5  	"io"
     6  	"io/ioutil"
     7  	"os"
     8  	"os/exec"
     9  	"path/filepath"
    10  	"sync"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/api/types"
    14  	"github.com/docker/docker/pkg/archive"
    15  	"gotest.tools/v3/assert"
    16  )
    17  
    18  var ensureHTTPServerOnce sync.Once
    19  
    20  func ensureHTTPServerImage(t testing.TB) {
    21  	t.Helper()
    22  	var doIt bool
    23  	ensureHTTPServerOnce.Do(func() {
    24  		doIt = true
    25  	})
    26  
    27  	if !doIt {
    28  		return
    29  	}
    30  
    31  	defer testEnv.ProtectImage(t, "httpserver:latest")
    32  
    33  	tmp, err := ioutil.TempDir("", "docker-http-server-test")
    34  	if err != nil {
    35  		t.Fatalf("could not build http server: %v", err)
    36  	}
    37  	defer os.RemoveAll(tmp)
    38  
    39  	goos := testEnv.OSType
    40  	if goos == "" {
    41  		goos = "linux"
    42  	}
    43  	goarch := os.Getenv("DOCKER_ENGINE_GOARCH")
    44  	if goarch == "" {
    45  		goarch = "amd64"
    46  	}
    47  
    48  	cpCmd, lookErr := exec.LookPath("cp")
    49  	if lookErr != nil {
    50  		t.Fatalf("could not build http server: %v", lookErr)
    51  	}
    52  
    53  	if _, err = os.Stat("../contrib/httpserver/httpserver"); os.IsNotExist(err) {
    54  		goCmd, lookErr := exec.LookPath("go")
    55  		if lookErr != nil {
    56  			t.Fatalf("could not build http server: %v", lookErr)
    57  		}
    58  
    59  		cmd := exec.Command(goCmd, "build", "-o", filepath.Join(tmp, "httpserver"), "github.com/docker/docker/contrib/httpserver")
    60  		cmd.Env = append(os.Environ(), []string{
    61  			"CGO_ENABLED=0",
    62  			"GOOS=" + goos,
    63  			"GOARCH=" + goarch,
    64  		}...)
    65  		var out []byte
    66  		if out, err = cmd.CombinedOutput(); err != nil {
    67  			t.Fatalf("could not build http server: %s", string(out))
    68  		}
    69  	} else {
    70  		if out, err := exec.Command(cpCmd, "../contrib/httpserver/httpserver", filepath.Join(tmp, "httpserver")).CombinedOutput(); err != nil {
    71  			t.Fatalf("could not copy http server: %v", string(out))
    72  		}
    73  	}
    74  
    75  	if out, err := exec.Command(cpCmd, "../contrib/httpserver/Dockerfile", filepath.Join(tmp, "Dockerfile")).CombinedOutput(); err != nil {
    76  		t.Fatalf("could not build http server: %v", string(out))
    77  	}
    78  
    79  	c := testEnv.APIClient()
    80  	reader, err := archive.TarWithOptions(tmp, &archive.TarOptions{})
    81  	assert.NilError(t, err)
    82  	resp, err := c.ImageBuild(context.Background(), reader, types.ImageBuildOptions{
    83  		Remove:      true,
    84  		ForceRemove: true,
    85  		Tags:        []string{"httpserver"},
    86  	})
    87  	assert.NilError(t, err)
    88  	_, err = io.Copy(ioutil.Discard, resp.Body)
    89  	assert.NilError(t, err)
    90  }