Golang HostConfig.VolumesFrom方法代碼示例

// OneShot runs a container, expecting it to successfully run to completion
// and die, after which it is removed. Not goroutine safe: only one OneShot
// can be running at once.
// Adds the same binds as the cluster containers (certs, binary, etc).
func (l *LocalCluster) OneShot(
	ref string,
	ipo types.ImagePullOptions,
	containerConfig container.Config,
	hostConfig container.HostConfig,
	name string,
) error {
	if err := pullImage(l, ref, ipo); err != nil {
		return err
	}
	hostConfig.VolumesFrom = []string{l.vols.id}
	container, err := createContainer(l, containerConfig, hostConfig, name)
	if err != nil {
		return err
	}
	l.oneshot = container
	defer func() {
		if err := l.oneshot.Remove(); err != nil {
			log.Errorf("ContainerRemove: %s", err)
		}
		l.oneshot = nil
	}()

	if err := l.oneshot.Start(); err != nil {
		return err
	}
	return l.oneshot.Wait()
}

func (l *LocalCluster) createRoach(node *testNode, vols *Container, cmd ...string) {
	l.panicOnStop()

	hostConfig := container.HostConfig{
		PublishAllPorts: true,
		NetworkMode:     container.NetworkMode(l.networkID),
	}

	if vols != nil {
		hostConfig.VolumesFrom = append(hostConfig.VolumesFrom, vols.id)
	}

	var hostname string
	if node.index >= 0 {
		hostname = fmt.Sprintf("roach%d", node.index)
	}
	var entrypoint []string
	if *cockroachImage == builderImageFull {
		entrypoint = append(entrypoint, "/"+filepath.Base(*cockroachBinary))
	} else if *cockroachEntry != "" {
		entrypoint = append(entrypoint, *cockroachEntry)
	}
	var err error
	node.Container, err = createContainer(
		l,
		container.Config{
			Hostname: hostname,
			Image:    *cockroachImage,
			ExposedPorts: map[nat.Port]struct{}{
				defaultTCP: {},
			},
			Entrypoint: entrypoint,
			// TODO(pmattis): Figure out why the Go DNS resolver is misbehaving.
			Env: []string{"GODEBUG=netdns=cgo"},
			Cmd: cmd,
			Labels: map[string]string{
				// Allow for `docker ps --filter label=Hostname=roach0` or `--filter label=Roach`.
				"Hostname": hostname,
				"Roach":    "",
			},
		},
		hostConfig,
		&network.NetworkingConfig{
			EndpointsConfig: map[string]*network.EndpointSettings{
				l.networkID: {
					Aliases: []string{hostname},
				},
			},
		},
		node.nodeStr,
	)
	maybePanic(err)
}

func (l *LocalCluster) createRoach(i int, dns, vols *Container, cmd ...string) *Container {
	l.panicOnStop()

	hostConfig := container.HostConfig{
		PublishAllPorts: true,
	}

	if dns != nil {
		ci, err := dns.Inspect()
		maybePanic(err)
		hostConfig.DNS = append(hostConfig.DNS, ci.NetworkSettings.IPAddress)
	}
	if vols != nil {
		hostConfig.VolumesFrom = append(hostConfig.VolumesFrom, vols.id)
	}

	var hostname string
	if i >= 0 {
		hostname = fmt.Sprintf("roach%d", i)
	}
	var entrypoint []string
	if *cockroachImage == builderImage {
		entrypoint = append(entrypoint, "/"+filepath.Base(*cockroachBinary))
	} else if *cockroachEntry != "" {
		entrypoint = append(entrypoint, *cockroachEntry)
	}
	c, err := createContainer(
		l,
		container.Config{
			Hostname:   hostname,
			Domainname: domain,
			Image:      *cockroachImage,
			ExposedPorts: map[nat.Port]struct{}{
				cockroachTCP: {},
				pgTCP:        {},
			},
			Entrypoint: strslice.New(entrypoint...),
			Cmd:        strslice.New(cmd...),
			Labels: map[string]string{
				// Allow for `docker ps --filter label=Hostname=roach0` or `--filter label=Roach`.
				"Hostname": hostname,
				"Roach":    "",
			},
		},
		hostConfig,
		nodeStr(i),
	)
	maybePanic(err)
	return c
}

func (l *LocalCluster) createRoach(node *testNode, vols *Container, env []string, cmd ...string) {
	l.panicOnStop()

	hostConfig := container.HostConfig{
		PublishAllPorts: true,
		NetworkMode:     container.NetworkMode(l.networkID),
		Privileged:      l.privileged,
	}

	if vols != nil {
		hostConfig.VolumesFrom = append(hostConfig.VolumesFrom, vols.id)
	}

	var hostname string
	if node.index >= 0 {
		hostname = fmt.Sprintf("roach%d", node.index)
	}
	var entrypoint []string
	if *cockroachImage == builderImageFull {
		entrypoint = append(entrypoint, "/"+filepath.Base(*cockroachBinary))
	} else if *cockroachEntry != "" {
		entrypoint = append(entrypoint, *cockroachEntry)
	}
	var err error
	node.Container, err = createContainer(
		l,
		container.Config{
			Hostname: hostname,
			Image:    *cockroachImage,
			ExposedPorts: map[nat.Port]struct{}{
				DefaultTCP:  {},
				defaultHTTP: {},
			},
			Entrypoint: entrypoint,
			Env:        env,
			Cmd:        cmd,
			Labels: map[string]string{
				// Allow for `docker ps --filter label=Hostname=roach0` or `--filter label=Roach`.
				"Hostname": hostname,
				"Roach":    "",
			},
		},
		hostConfig,
		node.nodeStr,
	)
	maybePanic(err)
}