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pkg/storage: switch to searchable fieldname

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`image` as a variable/field name becomes too redundant and difficult to
grep for. Switching to `imageServer` makes for more readable code.

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2017-04-17 19:32:00 -04:00
parent 7d7570e604
commit aa24e0554d
Signed by: vbatts
GPG key ID: 10937E57733F1362
1 changed files with 31 additions and 31 deletions
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62
pkg/storage/runtime.go
View file

@ -39,8 +39,8 @@ var (
)
type runtimeService struct {
image ImageServer
pauseImage string
imageServer ImageServer
pauseImage string
}
// ContainerInfo wraps a subset of information about a container: its ID and
@ -159,22 +159,22 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
}
// Check if we have the specified image.
ref, err := istorage.Transport.ParseStoreReference(r.image.GetStore(), imageName)
ref, err := istorage.Transport.ParseStoreReference(r.imageServer.GetStore(), imageName)
if err != nil {
// Maybe it's some other transport's copy of the image?
otherRef, err2 := alltransports.ParseImageName(imageName)
if err2 == nil && otherRef.DockerReference() != nil {
ref, err = istorage.Transport.ParseStoreReference(r.image.GetStore(), otherRef.DockerReference().Name())
ref, err = istorage.Transport.ParseStoreReference(r.imageServer.GetStore(), otherRef.DockerReference().Name())
}
if err != nil {
// Maybe the image ID is sufficient?
ref, err = istorage.Transport.ParseStoreReference(r.image.GetStore(), "@"+imageID)
ref, err = istorage.Transport.ParseStoreReference(r.imageServer.GetStore(), "@"+imageID)
if err != nil {
return ContainerInfo{}, err
}
}
}
img, err := istorage.Transport.GetStoreImage(r.image.GetStore(), ref)
img, err := istorage.Transport.GetStoreImage(r.imageServer.GetStore(), ref)
if img == nil && err == storage.ErrImageUnknown && imageName == r.pauseImage {
image := imageID
if imageName != "" {
@ -184,11 +184,11 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
return ContainerInfo{}, ErrInvalidImageName
}
logrus.Debugf("couldn't find image %q, retrieving it", image)
ref, err = r.image.PullImage(systemContext, image, options)
ref, err = r.imageServer.PullImage(systemContext, image, options)
if err != nil {
return ContainerInfo{}, err
}
img, err = istorage.Transport.GetStoreImage(r.image.GetStore(), ref)
img, err = istorage.Transport.GetStoreImage(r.imageServer.GetStore(), ref)
if err != nil {
return ContainerInfo{}, err
}
@ -247,7 +247,7 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
if metadata.Pod {
names = append(names, metadata.PodName)
}
container, err := r.image.GetStore().CreateContainer(containerID, names, img.ID, "", string(mdata), nil)
container, err := r.imageServer.GetStore().CreateContainer(containerID, names, img.ID, "", string(mdata), nil)
if err != nil {
if metadata.Pod {
logrus.Debugf("failed to create pod sandbox %s(%s): %v", metadata.PodName, metadata.PodID, err)
@ -266,7 +266,7 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
// container before returning.
defer func() {
if err != nil {
if err2 := r.image.GetStore().DeleteContainer(container.ID); err2 != nil {
if err2 := r.imageServer.GetStore().DeleteContainer(container.ID); err2 != nil {
if metadata.Pod {
logrus.Infof("%v deleting partially-created pod sandbox %q", err2, container.ID)
} else {
@ -281,18 +281,18 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
// Add a name to the container's layer so that it's easier to follow
// what's going on if we're just looking at the storage-eye view of things.
layerName := metadata.ContainerName + "-layer"
names, err = r.image.GetStore().GetNames(container.LayerID)
names, err = r.imageServer.GetStore().GetNames(container.LayerID)
if err != nil {
return ContainerInfo{}, err
}
names = append(names, layerName)
err = r.image.GetStore().SetNames(container.LayerID, names)
err = r.imageServer.GetStore().SetNames(container.LayerID, names)
if err != nil {
return ContainerInfo{}, err
}
// Find out where the container work directories are, so that we can return them.
containerDir, err := r.image.GetStore().GetContainerDirectory(container.ID)
containerDir, err := r.imageServer.GetStore().GetContainerDirectory(container.ID)
if err != nil {
return ContainerInfo{}, err
}
@ -302,7 +302,7 @@ func (r *runtimeService) createContainerOrPodSandbox(systemContext *types.System
logrus.Debugf("container %q has work directory %q", container.ID, containerDir)
}
containerRunDir, err := r.image.GetStore().GetContainerRunDirectory(container.ID)
containerRunDir, err := r.imageServer.GetStore().GetContainerRunDirectory(container.ID)
if err != nil {
return ContainerInfo{}, err
}
@ -329,14 +329,14 @@ func (r *runtimeService) CreateContainer(systemContext *types.SystemContext, pod
}
func (r *runtimeService) RemovePodSandbox(idOrName string) error {
container, err := r.image.GetStore().GetContainer(idOrName)
container, err := r.imageServer.GetStore().GetContainer(idOrName)
if err != nil {
if err == storage.ErrContainerUnknown {
return ErrInvalidSandboxID
}
return err
}
err = r.image.GetStore().DeleteContainer(container.ID)
err = r.imageServer.GetStore().DeleteContainer(container.ID)
if err != nil {
logrus.Debugf("failed to delete pod sandbox %q: %v", container.ID, err)
return err
@ -345,14 +345,14 @@ func (r *runtimeService) RemovePodSandbox(idOrName string) error {
}
func (r *runtimeService) DeleteContainer(idOrName string) error {
container, err := r.image.GetStore().GetContainer(idOrName)
container, err := r.imageServer.GetStore().GetContainer(idOrName)
if err != nil {
if err == storage.ErrContainerUnknown {
return ErrInvalidContainerID
}
return err
}
err = r.image.GetStore().DeleteContainer(container.ID)
err = r.imageServer.GetStore().DeleteContainer(container.ID)
if err != nil {
logrus.Debugf("failed to delete container %q: %v", container.ID, err)
return err
@ -366,12 +366,12 @@ func (r *runtimeService) SetContainerMetadata(idOrName string, metadata RuntimeC
logrus.Debugf("failed to encode metadata for %q: %v", idOrName, err)
return err
}
return r.image.GetStore().SetMetadata(idOrName, string(mdata))
return r.imageServer.GetStore().SetMetadata(idOrName, string(mdata))
}
func (r *runtimeService) GetContainerMetadata(idOrName string) (RuntimeContainerMetadata, error) {
metadata := RuntimeContainerMetadata{}
mdata, err := r.image.GetStore().GetMetadata(idOrName)
mdata, err := r.imageServer.GetStore().GetMetadata(idOrName)
if err != nil {
return metadata, err
}
@ -382,7 +382,7 @@ func (r *runtimeService) GetContainerMetadata(idOrName string) (RuntimeContainer
}
func (r *runtimeService) StartContainer(idOrName string) (string, error) {
container, err := r.image.GetStore().GetContainer(idOrName)
container, err := r.imageServer.GetStore().GetContainer(idOrName)
if err != nil {
if err == storage.ErrContainerUnknown {
return "", ErrInvalidContainerID
@ -393,7 +393,7 @@ func (r *runtimeService) StartContainer(idOrName string) (string, error) {
if err = json.Unmarshal([]byte(container.Metadata), &metadata); err != nil {
return "", err
}
mountPoint, err := r.image.GetStore().Mount(container.ID, metadata.MountLabel)
mountPoint, err := r.imageServer.GetStore().Mount(container.ID, metadata.MountLabel)
if err != nil {
logrus.Debugf("failed to mount container %q: %v", container.ID, err)
return "", err
@ -403,14 +403,14 @@ func (r *runtimeService) StartContainer(idOrName string) (string, error) {
}
func (r *runtimeService) StopContainer(idOrName string) error {
container, err := r.image.GetStore().GetContainer(idOrName)
container, err := r.imageServer.GetStore().GetContainer(idOrName)
if err != nil {
if err == storage.ErrContainerUnknown {
return ErrInvalidContainerID
}
return err
}
err = r.image.GetStore().Unmount(container.ID)
err = r.imageServer.GetStore().Unmount(container.ID)
if err != nil {
logrus.Debugf("failed to unmount container %q: %v", container.ID, err)
return err
@ -420,33 +420,33 @@ func (r *runtimeService) StopContainer(idOrName string) error {
}
func (r *runtimeService) GetWorkDir(id string) (string, error) {
container, err := r.image.GetStore().GetContainer(id)
container, err := r.imageServer.GetStore().GetContainer(id)
if err != nil {
if err == storage.ErrContainerUnknown {
return "", ErrInvalidContainerID
}
return "", err
}
return r.image.GetStore().GetContainerDirectory(container.ID)
return r.imageServer.GetStore().GetContainerDirectory(container.ID)
}
func (r *runtimeService) GetRunDir(id string) (string, error) {
container, err := r.image.GetStore().GetContainer(id)
container, err := r.imageServer.GetStore().GetContainer(id)
if err != nil {
if err == storage.ErrContainerUnknown {
return "", ErrInvalidContainerID
}
return "", err
}
return r.image.GetStore().GetContainerRunDirectory(container.ID)
return r.imageServer.GetStore().GetContainerRunDirectory(container.ID)
}
// GetRuntimeService returns a RuntimeServer that uses the passed-in image
// service to pull and manage images, and its store to manage containers based
// on those images.
func GetRuntimeService(image ImageServer, pauseImage string) RuntimeServer {
func GetRuntimeService(imageServer ImageServer, pauseImage string) RuntimeServer {
return &runtimeService{
image: image,
pauseImage: pauseImage,
imageServer: imageServer,
pauseImage: pauseImage,
}
}