func (handler *rktContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
containers := make(map[string]struct{})
// Rkt containers do not have subcontainers, only the "Pod" does.
if handler.isPod == false {
var ret []info.ContainerReference
return ret, nil
}
// Turn the system.slice cgroups into the Pod's subcontainers
for _, cgroupPath := range handler.cgroupPaths {
err := common.ListDirectories(path.Join(cgroupPath, "system.slice"), path.Join(handler.name, "system.slice"), listType == container.ListRecursive, containers)
if err != nil {
return nil, err
}
}
// Create the container references. for the Pod's subcontainers
ret := make([]info.ContainerReference, 0, len(handler.apiPod.Apps))
for cont := range containers {
aliases := make([]string, 1)
parsed, err := parseName(cont)
if err != nil {
return nil, fmt.Errorf("this should be impossible!, unable to parse rkt subcontainer name = %s", cont)
}
aliases = append(aliases, parsed.Pod+":"+parsed.Container)
labels := make(map[string]string)
if annotations, ok := findAnnotations(handler.apiPod.Apps, parsed.Container); !ok {
glog.Warningf("couldn't find application in Pod matching %v", parsed.Container)
} else {
labels = createLabels(annotations)
}
ret = append(ret, info.ContainerReference{
Name: cont,
Aliases: aliases,
Namespace: RktNamespace,
Labels: labels,
})
}
return ret, nil
}
func (self *rawContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
containers := make(map[string]struct{})
for _, cgroupPath := range self.cgroupPaths {
err := common.ListDirectories(cgroupPath, self.name, listType == container.ListRecursive, containers)
if err != nil {
return nil, err
}
}
// Make into container references.
ret := make([]info.ContainerReference, 0, len(containers))
for cont := range containers {
ret = append(ret, info.ContainerReference{
Name: cont,
})
}
return ret, nil
}