From a031b83a09a8628435317a03f199cdc18b78262f Mon Sep 17 00:00:00 2001 From: Matthew Heon Date: Wed, 1 Nov 2017 11:24:59 -0400 Subject: Initial checkin from CRI-O repo Signed-off-by: Matthew Heon --- libpod/state.go | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libpod/state.go (limited to 'libpod/state.go') diff --git a/libpod/state.go b/libpod/state.go new file mode 100644 index 000000000..1c21911bb --- /dev/null +++ b/libpod/state.go @@ -0,0 +1,38 @@ +package libpod + +// State is a storage backend for libpod's current state +type State interface { + // Accepts full ID of container + 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, and the container must be + // present in the pod + AddContainer(ctr *Container) error + // Removes container from state + // 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 + AllContainers() ([]*Container, error) + + // Accepts full ID of pod + 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 + // Only empty pods can be added to the state + AddPod(pod *Pod) error + // Removes pod from state + // 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 + AllPods() ([]*Pod, error) +} -- cgit v1.2.3-54-g00ecf