github.com/jiasir/docker@v1.3.3-0.20170609024000-252e610103e7/integration-cli/cli/build/fakestorage/fixtures.go (about)

     1  package fakestorage
     2  
     3  import (
     4  	"io/ioutil"
     5  	"os"
     6  	"os/exec"
     7  	"path/filepath"
     8  	"sync"
     9  
    10  	"github.com/docker/docker/integration-cli/cli"
    11  )
    12  
    13  var ensureHTTPServerOnce sync.Once
    14  
    15  func ensureHTTPServerImage(t testingT) {
    16  	var doIt bool
    17  	ensureHTTPServerOnce.Do(func() {
    18  		doIt = true
    19  	})
    20  
    21  	if !doIt {
    22  		return
    23  	}
    24  
    25  	defer testEnv.ProtectImage(t, "httpserver:latest")
    26  
    27  	tmp, err := ioutil.TempDir("", "docker-http-server-test")
    28  	if err != nil {
    29  		t.Fatalf("could not build http server: %v", err)
    30  	}
    31  	defer os.RemoveAll(tmp)
    32  
    33  	goos := testEnv.DaemonPlatform()
    34  	if goos == "" {
    35  		goos = "linux"
    36  	}
    37  	goarch := os.Getenv("DOCKER_ENGINE_GOARCH")
    38  	if goarch == "" {
    39  		goarch = "amd64"
    40  	}
    41  
    42  	goCmd, lookErr := exec.LookPath("go")
    43  	if lookErr != nil {
    44  		t.Fatalf("could not build http server: %v", lookErr)
    45  	}
    46  
    47  	cmd := exec.Command(goCmd, "build", "-o", filepath.Join(tmp, "httpserver"), "github.com/docker/docker/contrib/httpserver")
    48  	cmd.Env = append(os.Environ(), []string{
    49  		"CGO_ENABLED=0",
    50  		"GOOS=" + goos,
    51  		"GOARCH=" + goarch,
    52  	}...)
    53  	var out []byte
    54  	if out, err = cmd.CombinedOutput(); err != nil {
    55  		t.Fatalf("could not build http server: %s", string(out))
    56  	}
    57  
    58  	cpCmd, lookErr := exec.LookPath("cp")
    59  	if lookErr != nil {
    60  		t.Fatalf("could not build http server: %v", lookErr)
    61  	}
    62  	if out, err = exec.Command(cpCmd, "../contrib/httpserver/Dockerfile", filepath.Join(tmp, "Dockerfile")).CombinedOutput(); err != nil {
    63  		t.Fatalf("could not build http server: %v", string(out))
    64  	}
    65  
    66  	cli.DockerCmd(t, "build", "-q", "-t", "httpserver", tmp)
    67  }