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Working in-memory state implementation

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Signed-off-by: Matthew Heon <mheon@redhat.com>
This commit is contained in:
Matthew Heon 2017-09-14 10:51:07 -04:00
parent 3991a0531c
commit 92def27645
9 changed files with 352 additions and 22 deletions
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21
libpod/state.go
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@ -3,35 +3,36 @@ package libpod
// State is a storage backend for libpod's current state
type State interface {
// Accepts full ID of container
GetContainer(id string) (*Container, error)
Container(id string) (*Container, error)
// Accepts full or partial IDs (as long as they are unique) and names
LookupContainer(idOrName string) (*Container, error)
// Checks if a container with the given ID is present in the state
HasContainer(id string) (bool, error)
// Adds container to state
// If the container belongs to a pod, that pod must already be present
// in the state when the container is added
// in the state when the container is added, and the container must be
// present in the pod
AddContainer(ctr *Container) error
// Removes container from state
// If the container belongs to a pod, it will be removed from the pod
// as well
// The container will only be removed from the state, not from the pod
// which the container belongs to
RemoveContainer(ctr *Container) error
// Retrieves all containers presently in state
GetAllContainers() ([]*Container, error)
AllContainers() ([]*Container, error)
// Accepts full ID of pod
GetPod(id string) (*Pod, error)
Pod(id string) (*Pod, error)
// Accepts full or partial IDs (as long as they are unique) and names
LookupPod(idOrName string) (*Pod, error)
// Checks if a pod with the given ID is present in the state
HasPod(id string) (bool, error)
// Adds pod to state
// Any containers within the pod not already in the state will be added
// with it
// Only empty pods can be added to the state
AddPod(pod *Pod) error
// Removes pod from state
// All containers within the pod will also be removed
// Containers within a pod will not be removed from the state, and will
// not be changed to remove them from the now-removed pod
RemovePod(pod *Pod) error
// Retrieves all pods presently in state
GetAllPods() ([]*Pod, error)
AllPods() ([]*Pod, error)
}