82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
// Copyright 2020 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package harness
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import (
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"context"
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"net"
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"os/exec"
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"gvisor.dev/gvisor/pkg/test/dockerutil"
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"gvisor.dev/gvisor/pkg/test/testutil"
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)
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// Machine describes a real machine for use in benchmarks.
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type Machine interface {
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// GetContainer gets a container from the machine. The container uses the
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// runtime under test and is profiled if requested by flags.
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GetContainer(ctx context.Context, log testutil.Logger) *dockerutil.Container
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// GetNativeContainer gets a native container from the machine. Native containers
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// use runc by default and are not profiled.
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GetNativeContainer(ctx context.Context, log testutil.Logger) *dockerutil.Container
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// RunCommand runs cmd on this machine.
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RunCommand(cmd string, args ...string) (string, error)
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// Returns IP Address for the machine.
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IPAddress() (net.IP, error)
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// CleanUp cleans up this machine.
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CleanUp()
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}
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// localMachine describes this machine.
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type localMachine struct {
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}
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// GetContainer implements Machine.GetContainer for localMachine.
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func (l *localMachine) GetContainer(ctx context.Context, logger testutil.Logger) *dockerutil.Container {
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return dockerutil.MakeContainer(ctx, logger)
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}
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// GetContainer implements Machine.GetContainer for localMachine.
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func (l *localMachine) GetNativeContainer(ctx context.Context, logger testutil.Logger) *dockerutil.Container {
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return dockerutil.MakeNativeContainer(ctx, logger)
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}
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// RunCommand implements Machine.RunCommand for localMachine.
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func (l *localMachine) RunCommand(cmd string, args ...string) (string, error) {
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c := exec.Command(cmd, args...)
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out, err := c.CombinedOutput()
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return string(out), err
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}
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// IPAddress implements Machine.IPAddress.
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func (l *localMachine) IPAddress() (net.IP, error) {
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conn, err := net.Dial("udp", "8.8.8.8:80")
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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addr := conn.LocalAddr().(*net.UDPAddr)
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return addr.IP, nil
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}
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// CleanUp implements Machine.CleanUp and does nothing for localMachine.
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func (*localMachine) CleanUp() {
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}
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