Revert "fuse: add benchmarking support for FUSE"

test/fuse/benchmark/read_benchmark.cc:34: Failure
Expected: (fuse_prefix) != (nullptr), actual: NULL vs (nullptr)
external/com_google_benchmark/src/benchmark_runner.cc:120: RunInThread:
Check `st.iterations() >= st.max_iterations' failed. Benchmark returned
before State::KeepRunning() returned false!
--- FAIL: Benchmarks_BM_Read/262144/real_time (0.29s)
    runner.go:502: test "Benchmarks.BM_Read/262144/real_time" failed
    with error exit status 134, want nil
FAIL

1 files changed, 11 insertions, 101 deletions

diff --git a/test/runner/runner.go b/test/runner/runner.go
index fe501c4c7..22d535f8d 100644
--- a/test/runner/runner.go
+++ b/test/runner/runner.go
@@ -23,20 +23,16 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
-	"path"
 	"path/filepath"
 	"strings"
 	"syscall"
 	"testing"
 	"time"
 
-	"github.com/docker/docker/api/types/mount"
 	specs "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/syndtr/gocapability/capability"
 	"golang.org/x/sys/unix"
-	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/log"
-	"gvisor.dev/gvisor/pkg/test/dockerutil"
 	"gvisor.dev/gvisor/pkg/test/testutil"
 	"gvisor.dev/gvisor/runsc/specutils"
 	"gvisor.dev/gvisor/test/runner/gtest"
@@ -44,19 +40,17 @@ import (
 )
 
 var (
-	debug        = flag.Bool("debug", false, "enable debug logs")
-	strace       = flag.Bool("strace", false, "enable strace logs")
-	platform     = flag.String("platform", "ptrace", "platform to run on")
-	network      = flag.String("network", "none", "network stack to run on (sandbox, host, none)")
-	useTmpfs     = flag.Bool("use-tmpfs", false, "mounts tmpfs for /tmp")
-	useImage     = flag.String("use-image", "", "container image to use for test. Path relative to //images")
-	setupCommand = flag.String("setup-command", "", "command to run before running the test to set up container environment")
-	fileAccess   = flag.String("file-access", "exclusive", "mounts root in exclusive or shared mode")
-	overlay      = flag.Bool("overlay", false, "wrap filesystem mounts with writable tmpfs overlay")
-	vfs2         = flag.Bool("vfs2", false, "enable VFS2")
-	fuse         = flag.Bool("fuse", false, "enable FUSE")
-	parallel     = flag.Bool("parallel", false, "run tests in parallel")
-	runscPath    = flag.String("runsc", "", "path to runsc binary")
+	debug      = flag.Bool("debug", false, "enable debug logs")
+	strace     = flag.Bool("strace", false, "enable strace logs")
+	platform   = flag.String("platform", "ptrace", "platform to run on")
+	network    = flag.String("network", "none", "network stack to run on (sandbox, host, none)")
+	useTmpfs   = flag.Bool("use-tmpfs", false, "mounts tmpfs for /tmp")
+	fileAccess = flag.String("file-access", "exclusive", "mounts root in exclusive or shared mode")
+	overlay    = flag.Bool("overlay", false, "wrap filesystem mounts with writable tmpfs overlay")
+	vfs2       = flag.Bool("vfs2", false, "enable VFS2")
+	fuse       = flag.Bool("fuse", false, "enable FUSE")
+	parallel   = flag.Bool("parallel", false, "run tests in parallel")
+	runscPath  = flag.String("runsc", "", "path to runsc binary")
 
 	addUDSTree = flag.Bool("add-uds-tree", false, "expose a tree of UDS utilities for use in tests")
 )
@@ -319,92 +313,8 @@ func setupUDSTree(spec *specs.Spec) (cleanup func(), err error) {
 	return cleanup, nil
 }
 
-func runTestCaseInContainer(testBin string, tc gtest.TestCase, image string, t *testing.T) {
-	if usingFUSE, err := dockerutil.UsingFUSE(); err != nil {
-		t.Fatalf("failed to read config for runtime %s: %v", dockerutil.Runtime(), err)
-	} else if !usingFUSE {
-		t.Skip("FUSE not being used.")
-	}
-
-	ctx := context.Background()
-	d := dockerutil.MakeContainer(ctx, t)
-	defer d.CleanUp(ctx)
-
-	// Run the basic container.
-	tmpDir := "/tmpDir"
-	testBinDir := "/testDir"
-	opts := dockerutil.RunOpts{
-		Image:      image,
-		Privileged: true,
-		CapAdd:     []string{"CAP_SYS_ADMIN"},
-
-		// Mount a tmpfs directory to use when benchmarking.
-		Mounts: []mount.Mount{
-			{
-				Type:     mount.TypeTmpfs,
-				Target:   tmpDir,
-				ReadOnly: false,
-			},
-		},
-		Env: []string{
-			fmt.Sprintf("TEST_TMPDIR=%s", tmpDir),
-			fmt.Sprintf("TEST_FUSEPRE=%s", "/fus/mountpoint"),
-		},
-	}
-	wd, err := os.Getwd()
-	if err != nil {
-		t.Fatalf("Getwd run failed: %v", err)
-	}
-
-	wdPathToTestBin := strings.TrimPrefix(testBin, wd)
-	containerTestBin := path.Join(testBinDir, path.Base(wdPathToTestBin))
-	d.CopyFiles(&opts, testBinDir, wdPathToTestBin)
-	if err := d.CopyErr(); err != nil {
-		t.Fatalf("Copy failed %v", err)
-	}
-
-	err = d.Spawn(ctx, opts, "sleep", "1000")
-	if err != nil {
-		t.Fatalf("docker run failed: %v", err)
-	}
-
-	// Run the server setup command.
-	if *setupCommand != "" {
-		out, err := d.Exec(ctx, dockerutil.ExecOpts{
-			Privileged: true,
-		}, "/bin/sh", "-c", *setupCommand)
-		if err != nil {
-			t.Fatalf("docker exec failed: %v with output %v", err, out)
-		}
-	}
-
-	cmd := "chmod +x " + containerTestBin
-	out, err := d.Exec(ctx, dockerutil.ExecOpts{
-		Privileged: true,
-	}, "/bin/sh", "-c", cmd)
-	if err != nil {
-		t.Fatalf("docker exec failed: %v with output %v", err, out)
-	}
-
-	cmd = containerTestBin + " " + strings.Join(tc.Args(), " ")
-	out, err = d.Exec(ctx, dockerutil.ExecOpts{
-		Privileged: true,
-	}, "/bin/sh", "-c", cmd)
-	if err != nil {
-		t.Fatalf("docker exec failed: %v with output %v", err, out)
-	}
-
-	fmt.Print(out)
-	return
-}
-
 // runsTestCaseRunsc runs the test case in runsc.
 func runTestCaseRunsc(testBin string, tc gtest.TestCase, t *testing.T) {
-	if *useImage != "" {
-		runTestCaseInContainer(testBin, tc, *useImage, t)
-		return
-	}
-
 	// Run a new container with the test executable and filter for the
 	// given test suite and name.
 	spec := testutil.NewSpecWithArgs(append([]string{testBin}, tc.Args()...)...)