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Add missing comments to runtime.go

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This commit is contained in:
Solomon Hykes 2013-09-06 17:43:34 -07:00
parent 24e02043a2
commit 6a9f4ecf9b
1 changed files with 12 additions and 1 deletions
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13
runtime.go
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@ -44,6 +44,7 @@ func init() {
sysInitPath = utils.SelfPath()
}
// List returns an array of all containers registered in the runtime.
func (runtime *Runtime) List() []*Container {
containers := new(History)
for e := runtime.containers.Front(); e != nil; e = e.Next() {
@ -62,6 +63,8 @@ func (runtime *Runtime) getContainerElement(id string) *list.Element {
return nil
}
// Get looks for a container by the specified ID or name, and returns it.
// If the container is not found, or if an error occurs, nil is returned.
func (runtime *Runtime) Get(name string) *Container {
id, err := runtime.idIndex.Get(name)
if err != nil {
@ -74,6 +77,8 @@ func (runtime *Runtime) Get(name string) *Container {
return e.Value.(*Container)
}
// Exists returns a true if a container of the specified ID or name exists,
// false otherwise.
func (runtime *Runtime) Exists(id string) bool {
return runtime.Get(id) != nil
}
@ -82,6 +87,9 @@ func (runtime *Runtime) containerRoot(id string) string {
return path.Join(runtime.repository, id)
}
// Load reads the contents of a container from disk and registers
// it with Register.
// This is typically done at startup.
func (runtime *Runtime) Load(id string) (*Container, error) {
container := &Container{root: runtime.containerRoot(id)}
if err := container.FromDisk(); err != nil {
@ -179,6 +187,7 @@ func (runtime *Runtime) LogToDisk(src *utils.WriteBroadcaster, dst, stream strin
return nil
}
// Destroy unregisters a container from the runtime and cleanly removes its contents from the filesystem.
func (runtime *Runtime) Destroy(container *Container) error {
if container == nil {
return fmt.Errorf("The given container is <nil>")
@ -235,7 +244,7 @@ func (runtime *Runtime) restore() error {
return nil
}
// FIXME: comment please
// FIXME: comment please!
func (runtime *Runtime) UpdateCapabilities(quiet bool) {
if cgroupMemoryMountpoint, err := utils.FindCgroupMountpoint("memory"); err != nil {
if !quiet {
@ -455,6 +464,8 @@ func NewRuntimeFromDirectory(root string, autoRestart bool) (*Runtime, error) {
return runtime, nil
}
// History is a convenience type for storing a list of containers,
// ordered by creation date.
type History []*Container
func (history *History) Len() int {