tests: create remote with container helper

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

builder/node.go

@@ -142,7 +142,7 @@ func (b *Builder) LoadNodes(ctx context.Context, opts ...LoadNodesOption) (_ []N
 					}
 				}
 
-				d, err := driver.GetDriver(ctx, "buildx_buildkit_"+n.Name, factory, n.Endpoint, dockerapi, imageopt.Auth, kcc, n.BuildkitdFlags, n.Files, n.DriverOpts, n.Platforms, b.opts.contextPathHash, lno.dialMeta)
+				d, err := driver.GetDriver(ctx, driver.BuilderNamePrefix+n.Name, factory, n.Endpoint, dockerapi, imageopt.Auth, kcc, n.BuildkitdFlags, n.Files, n.DriverOpts, n.Platforms, b.opts.contextPathHash, lno.dialMeta)
 				if err != nil {
 					node.Err = err
 					return nil

driver/driver.go

@@ -24,6 +24,8 @@ const (
 	Running
 	Stopping
 	Stopped
+
+	BuilderNamePrefix = "buildx_buildkit_"
 )
 
 func (s Status) String() string {

driver/kubernetes/factory.go

@@ -244,10 +244,10 @@ func (f *factory) AllowsInstances() bool {
 // eg. "buildx_buildkit_loving_mendeleev0" -> "loving-mendeleev0"
 func buildxNameToDeploymentName(bx string) (string, error) {
 	// TODO: commands.util.go should not pass "buildx_buildkit_" prefix to drivers
-	if !strings.HasPrefix(bx, "buildx_buildkit_") {
-		return "", errors.Errorf("expected a string with \"buildx_buildkit_\", got %q", bx)
+	if !strings.HasPrefix(bx, driver.BuilderNamePrefix) {
+		return "", errors.Errorf("expected a string with %q, got %q", driver.BuilderNamePrefix, bx)
 	}
-	s := strings.TrimPrefix(bx, "buildx_buildkit_")
+	s := strings.TrimPrefix(bx, driver.BuilderNamePrefix)
 	s = strings.ReplaceAll(s, "_", "-")
 	return s, nil
 }

driver/kubernetes/factory_test.go

@@ -29,7 +29,7 @@ func TestFactory_processDriverOpts(t *testing.T) {
 	}
 
 	cfg := driver.InitConfig{
-		Name:             "buildx_buildkit_test",
+		Name:             driver.BuilderNamePrefix + "test",
 		KubeClientConfig: &kcc,
 	}
 	f := factory{}

tests/create.go

@@ -1,9 +1,13 @@
 package tests
 
 import (
+	"fmt"
+	"os"
 	"strings"
 	"testing"
 
+	"github.com/docker/buildx/driver"
+	"github.com/moby/buildkit/identity"
 	"github.com/moby/buildkit/util/testutil/integration"
 	"github.com/stretchr/testify/require"
 )
@@ -18,6 +22,7 @@ func createCmd(sb integration.Sandbox, opts ...cmdOpt) (string, error) {
 var createTests = []func(t *testing.T, sb integration.Sandbox){
 	testCreateMemoryLimit,
 	testCreateRestartAlways,
+	testCreateRemoteContainer,
 }
 
 func testCreateMemoryLimit(t *testing.T, sb integration.Sandbox) {
@@ -57,3 +62,41 @@ func testCreateRestartAlways(t *testing.T, sb integration.Sandbox) {
 	require.NoError(t, err, out)
 	builderName = strings.TrimSpace(out)
 }
+
+func testCreateRemoteContainer(t *testing.T, sb integration.Sandbox) {
+	if sb.Name() != "docker" {
+		t.Skip("skipping test for non-docker workers")
+	}
+
+	ctnBuilderName := "ctn-builder-" + identity.NewID()
+	remoteBuilderName := "remote-builder-" + identity.NewID()
+	var hasCtnBuilder, hasRemoteBuilder bool
+	t.Cleanup(func() {
+		if hasCtnBuilder {
+			out, err := rmCmd(sb, withArgs(ctnBuilderName))
+			require.NoError(t, err, out)
+		}
+		if hasRemoteBuilder {
+			out, err := rmCmd(sb, withArgs(remoteBuilderName))
+			require.NoError(t, err, out)
+		}
+	})
+
+	out, err := createCmd(sb, withArgs("--driver", "docker-container", "--name", ctnBuilderName))
+	require.NoError(t, err, out)
+	hasCtnBuilder = true
+
+	out, err = inspectCmd(sb, withArgs("--bootstrap", ctnBuilderName))
+	require.NoError(t, err, out)
+
+	cmd := dockerCmd(sb, withArgs("container", "inspect", fmt.Sprintf("%s%s0", driver.BuilderNamePrefix, ctnBuilderName)))
+	cmd.Stderr = os.Stderr
+	require.NoError(t, cmd.Run())
+
+	out, err = createCmd(sb, withArgs("--driver", "remote", fmt.Sprintf("docker-container://%s%s0", driver.BuilderNamePrefix, ctnBuilderName), "--name", remoteBuilderName))
+	require.NoError(t, err, out)
+	hasRemoteBuilder = true
+
+	out, err = inspectCmd(sb, withArgs(remoteBuilderName))
+	require.NoError(t, err, out)
+}