refactor: eliminate containerMeta in daemon manager

apis/server/container_bridge.go

@@ -60,35 +60,38 @@ func (s *Server) createContainer(ctx context.Context, rw http.ResponseWriter, re
 func (s *Server) getContainer(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
 	name := mux.Vars(req)["name"]
 
-	meta, err := s.ContainerMgr.Get(ctx, name)
+	c, err := s.ContainerMgr.Get(ctx, name)
 	if err != nil {
 		return err
 	}
 
-	container := types.ContainerJSON{
-		ID:          meta.ID,
-		Name:        meta.Name,
-		Image:       meta.Config.Image,
-		Created:     meta.Created,
-		State:       meta.State,
-		Config:      meta.Config,
-		HostConfig:  meta.HostConfig,
-		Snapshotter: meta.Snapshotter,
-		GraphDriver: &types.GraphDriverData{
-			Name: meta.Snapshotter.Name,
-			Data: meta.Snapshotter.Data,
-		},
+	var netSettings *types.NetworkSettings
+	if c.NetworkSettings != nil {
+		netSettings = &types.NetworkSettings{
+			Networks: c.NetworkSettings.Networks,
+		}
 	}
 
-	if meta.NetworkSettings != nil {
-		container.NetworkSettings = &types.NetworkSettings{
-			Networks: meta.NetworkSettings.Networks,
-		}
+	mounts := []types.MountPoint{}
+	for _, mp := range c.Mounts {
+		mounts = append(mounts, *mp)
 	}
 
-	container.Mounts = []types.MountPoint{}
-	for _, mp := range meta.Mounts {
-		container.Mounts = append(container.Mounts, *mp)
+	container := types.ContainerJSON{
+		ID:          c.ID,
+		Name:        c.Name,
+		Image:       c.Config.Image,
+		Created:     c.Created,
+		State:       c.State,
+		Config:      c.Config,
+		HostConfig:  c.HostConfig,
+		Snapshotter: c.Snapshotter,
+		GraphDriver: &types.GraphDriverData{
+			Name: c.Snapshotter.Name,
+			Data: c.Snapshotter.Data,
+		},
+		Mounts:          mounts,
+		NetworkSettings: netSettings,
 	}
 
 	return EncodeResponse(rw, http.StatusOK, container)
@@ -99,44 +102,46 @@ func (s *Server) getContainers(ctx context.Context, rw http.ResponseWriter, req
 		All: httputils.BoolValue(req, "all"),
 	}
 
-	metas, err := s.ContainerMgr.List(ctx, func(meta *mgr.ContainerMeta) bool {
+	cons, err := s.ContainerMgr.List(ctx, func(c *mgr.Container) bool {
 		return true
 	}, option)
 	if err != nil {
 		return err
 	}
 
-	containerList := make([]types.Container, 0, len(metas))
+	containerList := make([]types.Container, 0, len(cons))
 
-	for _, m := range metas {
-		status, err := m.FormatStatus()
+	for _, c := range cons {
+		status, err := c.FormatStatus()
 		if err != nil {
 			return err
 		}
 
-		t, err := time.Parse(utils.TimeLayout, m.Created)
+		t, err := time.Parse(utils.TimeLayout, c.Created)
 		if err != nil {
 			return err
 		}
 
-		container := types.Container{
-			ID:         m.ID,
-			Names:      []string{m.Name},
-			Image:      m.Config.Image,
-			Command:    strings.Join(m.Config.Cmd, " "),
-			Status:     status,
-			Created:    t.UnixNano(),
-			Labels:     m.Config.Labels,
-			HostConfig: m.HostConfig,
+		var netSettings *types.ContainerNetworkSettings
+		if c.NetworkSettings != nil {
+			netSettings = &types.ContainerNetworkSettings{
+				Networks: c.NetworkSettings.Networks,
+			}
 		}
 
-		if m.NetworkSettings != nil {
-			container.NetworkSettings = &types.ContainerNetworkSettings{
-				Networks: m.NetworkSettings.Networks,
-			}
+		singleCon := types.Container{
+			ID:              c.ID,
+			Names:           []string{c.Name},
+			Image:           c.Config.Image,
+			Command:         strings.Join(c.Config.Cmd, " "),
+			Status:          status,
+			Created:         t.UnixNano(),
+			Labels:          c.Config.Labels,
+			HostConfig:      c.HostConfig,
+			NetworkSettings: netSettings,
 		}
 
-		containerList = append(containerList, container)
+		containerList = append(containerList, singleCon)
 	}
 	return EncodeResponse(rw, http.StatusOK, containerList)
 }

apis/server/image_bridge.go

@@ -98,8 +98,8 @@ func (s *Server) removeImage(ctx context.Context, rw http.ResponseWriter, req *h
 		return err
 	}
 
-	containers, err := s.ContainerMgr.List(ctx, func(meta *mgr.ContainerMeta) bool {
-		return meta.Image == image.ID
+	containers, err := s.ContainerMgr.List(ctx, func(c *mgr.Container) bool {
+		return c.Image == image.ID
 	}, &mgr.ContainerListOption{All: true})
 	if err != nil {
 		return err

ctrd/container.go

@@ -349,12 +349,12 @@ func (c *Client) createContainer(ctx context.Context, ref, id string, container
 	img, err := wrapperCli.client.GetImage(ctx, ref)
 	if err != nil {
 		if errdefs.IsNotFound(err) {
-			return errors.Wrap(errtypes.ErrNotfound, "image")
+			return errors.Wrapf(errtypes.ErrNotfound, "image %s", ref)
 		}
-		return errors.Wrapf(err, "failed to get image: %s", ref)
+		return errors.Wrapf(err, "failed to get image %s", ref)
 	}
 
-	logrus.Infof("success to get image: %s, container id: %s", img.Name(), id)
+	logrus.Infof("success to get image %s, container id %s", img.Name(), id)
 
 	// create container
 	specOptions := []oci.SpecOpts{
@@ -375,13 +375,13 @@ func (c *Client) createContainer(ctx context.Context, ref, id string, container
 
 	// check snapshot exist or not.
 	if _, err := c.GetSnapshot(ctx, id); err != nil {
-		return errors.Wrapf(err, "failed to create container, id: %s", id)
+		return errors.Wrapf(err, "failed to create container %s", id)
 	}
 	options = append(options, containerd.WithSnapshot(id))
 
 	nc, err := wrapperCli.client.NewContainer(ctx, id, options...)
 	if err != nil {
-		return errors.Wrapf(err, "failed to create container, id: %s", id)
+		return errors.Wrapf(err, "failed to create container %s", id)
 	}
 
 	defer func() {

daemon/daemon.go

@@ -54,7 +54,7 @@ func NewDaemon(cfg *config.Config) *Daemon {
 		Buckets: []meta.Bucket{
 			{
 				Name: meta.MetaJSONFile,
-				Type: reflect.TypeOf(mgr.ContainerMeta{}),
+				Type: reflect.TypeOf(mgr.Container{}),
 			},
 		},
 	})