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Diffstat (limited to 'test/benchmarks/harness/util.go')
-rw-r--r--test/benchmarks/harness/util.go113
1 files changed, 0 insertions, 113 deletions
diff --git a/test/benchmarks/harness/util.go b/test/benchmarks/harness/util.go
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index f7e569751..000000000
--- a/test/benchmarks/harness/util.go
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package harness
-
-import (
- "context"
- "fmt"
- "net"
- "strings"
- "testing"
-
- "github.com/docker/docker/api/types/mount"
- "gvisor.dev/gvisor/pkg/cleanup"
- "gvisor.dev/gvisor/pkg/test/dockerutil"
- "gvisor.dev/gvisor/pkg/test/testutil"
-)
-
-//TODO(gvisor.dev/issue/3535): move to own package or move methods to harness struct.
-
-// WaitUntilServing grabs a container from `machine` and waits for a server at
-// IP:port.
-func WaitUntilServing(ctx context.Context, machine Machine, server net.IP, port int) error {
- var logger testutil.DefaultLogger = "util"
- netcat := machine.GetNativeContainer(ctx, logger)
- defer netcat.CleanUp(ctx)
-
- cmd := fmt.Sprintf("while ! wget -q --spider http://%s:%d; do true; done", server, port)
- _, err := netcat.Run(ctx, dockerutil.RunOpts{
- Image: "benchmarks/util",
- }, "sh", "-c", cmd)
- return err
-}
-
-// DropCaches drops caches on the provided machine. Requires root.
-func DropCaches(machine Machine) error {
- if out, err := machine.RunCommand("/bin/sh", "-c", "sync && sysctl vm.drop_caches=3"); err != nil {
- return fmt.Errorf("failed to drop caches: %v logs: %s", err, out)
- }
- return nil
-}
-
-// DebugLog prints debug messages if the debug flag is set.
-func DebugLog(b *testing.B, msg string, args ...interface{}) {
- b.Helper()
- if *debug {
- b.Logf(msg, args...)
- }
-}
-
-// FileSystemType represents a type container mount.
-type FileSystemType string
-
-const (
- // BindFS indicates a bind mount should be created.
- BindFS FileSystemType = "bindfs"
- // TmpFS indicates a tmpfs mount should be created.
- TmpFS FileSystemType = "tmpfs"
- // RootFS indicates no mount should be created and the root mount should be used.
- RootFS FileSystemType = "rootfs"
-)
-
-// MakeMount makes a mount and cleanup based on the requested type. Bind
-// and volume mounts are backed by a temp directory made with mktemp.
-// tmpfs mounts require no such backing and are just made.
-// rootfs mounts do not make a mount, but instead return a target direectory at root.
-// It is up to the caller to call Clean on the passed *cleanup.Cleanup
-func MakeMount(machine Machine, fsType FileSystemType, cu *cleanup.Cleanup) ([]mount.Mount, string, error) {
- mounts := make([]mount.Mount, 0, 1)
- target := "/data"
- switch fsType {
- case BindFS:
- dir, err := machine.RunCommand("mktemp", "-d")
- if err != nil {
- return mounts, "", fmt.Errorf("failed to create tempdir: %v", err)
- }
- dir = strings.TrimSuffix(dir, "\n")
- cu.Add(func() {
- machine.RunCommand("rm", "-rf", dir)
- })
- out, err := machine.RunCommand("chmod", "777", dir)
- if err != nil {
- return mounts, "", fmt.Errorf("failed modify directory: %v %s", err, out)
- }
- mounts = append(mounts, mount.Mount{
- Target: target,
- Source: dir,
- Type: mount.TypeBind,
- })
- return mounts, target, nil
- case RootFS:
- return mounts, target, nil
- case TmpFS:
- mounts = append(mounts, mount.Mount{
- Target: target,
- Type: mount.TypeTmpfs,
- })
- return mounts, target, nil
- default:
- return mounts, "", fmt.Errorf("illegal mount type not supported: %v", fsType)
- }
-}