зеркало из https://github.com/microsoft/docker.git
157 строки
4.4 KiB
Go
157 строки
4.4 KiB
Go
package daemon
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import (
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"strings"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/context"
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derr "github.com/docker/docker/errors"
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"github.com/docker/docker/graph/tags"
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"github.com/docker/docker/image"
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"github.com/docker/docker/pkg/parsers"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/runconfig"
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"github.com/opencontainers/runc/libcontainer/label"
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)
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// ContainerCreate takes configs and creates a container.
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func (daemon *Daemon) ContainerCreate(ctx context.Context, name string, config *runconfig.Config, hostConfig *runconfig.HostConfig, adjustCPUShares bool) (*Container, []string, error) {
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if config == nil {
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return nil, nil, derr.ErrorCodeEmptyConfig
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}
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warnings, err := daemon.verifyContainerSettings(ctx, hostConfig, config)
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if err != nil {
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return nil, warnings, err
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}
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daemon.adaptContainerSettings(hostConfig, adjustCPUShares)
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container, buildWarnings, err := daemon.Create(ctx, config, hostConfig, name)
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if err != nil {
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if daemon.Graph(ctx).IsNotExist(err, config.Image) {
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if strings.Contains(config.Image, "@") {
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return nil, warnings, derr.ErrorCodeNoSuchImageHash.WithArgs(config.Image)
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}
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img, tag := parsers.ParseRepositoryTag(config.Image)
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if tag == "" {
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tag = tags.DefaultTag
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}
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return nil, warnings, derr.ErrorCodeNoSuchImageTag.WithArgs(img, tag)
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}
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return nil, warnings, err
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}
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warnings = append(warnings, buildWarnings...)
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return container, warnings, nil
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}
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// Create creates a new container from the given configuration with a given name.
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func (daemon *Daemon) Create(ctx context.Context, config *runconfig.Config, hostConfig *runconfig.HostConfig, name string) (retC *Container, retS []string, retErr error) {
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var (
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container *Container
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warnings []string
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img *image.Image
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imgID string
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err error
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)
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if config.Image != "" {
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img, err = daemon.repositories.LookupImage(config.Image)
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if err != nil {
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return nil, nil, err
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}
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if err = daemon.graph.CheckDepth(img); err != nil {
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return nil, nil, err
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}
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imgID = img.ID
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}
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if err := daemon.mergeAndVerifyConfig(config, img); err != nil {
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return nil, nil, err
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}
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if hostConfig == nil {
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hostConfig = &runconfig.HostConfig{}
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}
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if hostConfig.SecurityOpt == nil {
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hostConfig.SecurityOpt, err = daemon.generateSecurityOpt(ctx, hostConfig.IpcMode, hostConfig.PidMode)
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if err != nil {
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return nil, nil, err
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}
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}
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if container, err = daemon.newContainer(ctx, name, config, imgID); err != nil {
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return nil, nil, err
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}
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defer func() {
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if retErr != nil {
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if err := daemon.rm(ctx, container, false); err != nil {
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logrus.Errorf("Clean up Error! Cannot destroy container %s: %v", container.ID, err)
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}
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}
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}()
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if err := daemon.Register(ctx, container); err != nil {
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return nil, nil, err
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}
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if err := daemon.createRootfs(container); err != nil {
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return nil, nil, err
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}
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if err := daemon.setHostConfig(ctx, container, hostConfig); err != nil {
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return nil, nil, err
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}
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defer func() {
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if retErr != nil {
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if err := container.removeMountPoints(true); err != nil {
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logrus.Error(err)
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}
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}
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}()
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if err := container.Mount(ctx); err != nil {
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return nil, nil, err
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}
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defer container.Unmount(ctx)
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if err := createContainerPlatformSpecificSettings(container, config, hostConfig, img); err != nil {
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return nil, nil, err
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}
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if err := container.toDiskLocking(); err != nil {
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logrus.Errorf("Error saving new container to disk: %v", err)
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return nil, nil, err
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}
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container.logEvent(ctx, "create")
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return container, warnings, nil
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}
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func (daemon *Daemon) generateSecurityOpt(ctx context.Context, ipcMode runconfig.IpcMode, pidMode runconfig.PidMode) ([]string, error) {
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if ipcMode.IsHost() || pidMode.IsHost() {
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return label.DisableSecOpt(), nil
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}
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if ipcContainer := ipcMode.Container(); ipcContainer != "" {
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c, err := daemon.Get(ctx, ipcContainer)
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if err != nil {
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return nil, err
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}
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return label.DupSecOpt(c.ProcessLabel), nil
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}
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return nil, nil
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}
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// VolumeCreate creates a volume with the specified name, driver, and opts
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// This is called directly from the remote API
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func (daemon *Daemon) VolumeCreate(ctx context.Context, name, driverName string, opts map[string]string) (*types.Volume, error) {
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if name == "" {
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name = stringid.GenerateNonCryptoID()
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}
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v, err := daemon.volumes.Create(name, driverName, opts)
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if err != nil {
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return nil, err
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}
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return volumeToAPIType(v), nil
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}
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