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package fakestorage // import "github.com/docker/docker/testutil/fakestorage"
import (
"context"
"io"
"os"
"os/exec"
"path/filepath"
"sync"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/archive"
"gotest.tools/v3/assert"
)
var ensureHTTPServerOnce sync.Once
func ensureHTTPServerImage(t testing.TB) {
t.Helper()
var doIt bool
ensureHTTPServerOnce.Do(func() {
doIt = true
})
if !doIt {
return
}
defer testEnv.ProtectImage(t, "httpserver:latest")
tmp, err := os.MkdirTemp("", "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(io.Discard, resp.Body)
assert.NilError(t, err)
}
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