diff options
Diffstat (limited to 'libpod/in_memory_state.go')
-rw-r--r-- | libpod/in_memory_state.go | 63 |
1 files changed, 29 insertions, 34 deletions
diff --git a/libpod/in_memory_state.go b/libpod/in_memory_state.go index 00e8ad4c3..d85ea1399 100644 --- a/libpod/in_memory_state.go +++ b/libpod/in_memory_state.go @@ -18,10 +18,8 @@ type InMemoryState struct { containers map[string]*Container ctrDepends map[string][]string podContainers map[string]map[string]*Container - podNameIndex *registrar.Registrar - podIDIndex *truncindex.TruncIndex - ctrNameIndex *registrar.Registrar - ctrIDIndex *truncindex.TruncIndex + nameIndex *registrar.Registrar + idIndex *truncindex.TruncIndex } // NewInMemoryState initializes a new, empty in-memory state @@ -35,11 +33,8 @@ func NewInMemoryState() (State, error) { state.podContainers = make(map[string]map[string]*Container) - state.podNameIndex = registrar.NewRegistrar() - state.ctrNameIndex = registrar.NewRegistrar() - - state.podIDIndex = truncindex.NewTruncIndex([]string{}) - state.ctrIDIndex = truncindex.NewTruncIndex([]string{}) + state.nameIndex = registrar.NewRegistrar() + state.idIndex = truncindex.NewTruncIndex([]string{}) return state, nil } @@ -76,11 +71,11 @@ func (s *InMemoryState) LookupContainer(idOrName string) (*Container, error) { return nil, ErrEmptyID } - fullID, err := s.ctrNameIndex.Get(idOrName) + fullID, err := s.nameIndex.Get(idOrName) if err != nil { if err == registrar.ErrNameNotReserved { // What was passed is not a name, assume it's an ID - fullID, err = s.ctrIDIndex.Get(idOrName) + fullID, err = s.idIndex.Get(idOrName) if err != nil { if err == truncindex.ErrNotExist { return nil, errors.Wrapf(ErrNoSuchCtr, "no container found with name or ID %s", idOrName) @@ -94,8 +89,8 @@ func (s *InMemoryState) LookupContainer(idOrName string) (*Container, error) { ctr, ok := s.containers[fullID] if !ok { - // This should never happen - return nil, errors.Wrapf(ErrInternal, "mismatch in container ID registry and containers map for ID %s", fullID) + // It's a pod, not a container + return nil, errors.Wrapf(ErrNoSuchCtr, "name or ID %s is a pod, not a container", idOrName) } return ctr, nil @@ -128,12 +123,12 @@ func (s *InMemoryState) AddContainer(ctr *Container) error { return errors.Wrapf(ErrInvalidArg, "cannot add a container that is in a pod with AddContainer, use AddContainerToPod") } - if err := s.ctrNameIndex.Reserve(ctr.Name(), ctr.ID()); err != nil { + if err := s.nameIndex.Reserve(ctr.Name(), ctr.ID()); err != nil { return errors.Wrapf(err, "error registering container name %s", ctr.Name()) } - if err := s.ctrIDIndex.Add(ctr.ID()); err != nil { - s.ctrNameIndex.Release(ctr.Name()) + if err := s.idIndex.Add(ctr.ID()); err != nil { + s.nameIndex.Release(ctr.Name()) return errors.Wrapf(err, "error registering container ID %s", ctr.ID()) } @@ -165,11 +160,11 @@ func (s *InMemoryState) RemoveContainer(ctr *Container) error { return errors.Wrapf(ErrNoSuchCtr, "no container exists in state with ID %s", ctr.ID()) } - if err := s.ctrIDIndex.Delete(ctr.ID()); err != nil { + if err := s.idIndex.Delete(ctr.ID()); err != nil { return errors.Wrapf(err, "error removing container ID from index") } delete(s.containers, ctr.ID()) - s.ctrNameIndex.Release(ctr.Name()) + s.nameIndex.Release(ctr.Name()) delete(s.ctrDepends, ctr.ID()) @@ -264,11 +259,11 @@ func (s *InMemoryState) LookupPod(idOrName string) (*Pod, error) { return nil, ErrEmptyID } - fullID, err := s.podNameIndex.Get(idOrName) + fullID, err := s.nameIndex.Get(idOrName) if err != nil { if err == registrar.ErrNameNotReserved { // What was passed is not a name, assume it's an ID - fullID, err = s.podIDIndex.Get(idOrName) + fullID, err = s.idIndex.Get(idOrName) if err != nil { if err == truncindex.ErrNotExist { return nil, errors.Wrapf(ErrNoSuchPod, "no pod found with name or ID %s", idOrName) @@ -282,8 +277,8 @@ func (s *InMemoryState) LookupPod(idOrName string) (*Pod, error) { pod, ok := s.pods[fullID] if !ok { - // This should never happen - return nil, errors.Wrapf(ErrInternal, "mismatch in pod ID registry and pod map for ID %s", fullID) + // It's a container not a pod + return nil, errors.Wrapf(ErrNoSuchPod, "id or name %s is a container not a pod", idOrName) } return pod, nil @@ -380,12 +375,12 @@ func (s *InMemoryState) AddPod(pod *Pod) error { return errors.Wrapf(ErrPodExists, "pod with ID %s already exists in state", pod.ID()) } - if err := s.podNameIndex.Reserve(pod.Name(), pod.ID()); err != nil { + if err := s.nameIndex.Reserve(pod.Name(), pod.ID()); err != nil { return errors.Wrapf(err, "error registering pod name %s", pod.Name()) } - if err := s.podIDIndex.Add(pod.ID()); err != nil { - s.podNameIndex.Release(pod.Name()) + if err := s.idIndex.Add(pod.ID()); err != nil { + s.nameIndex.Release(pod.Name()) return errors.Wrapf(err, "error registering pod ID %s", pod.ID()) } @@ -413,12 +408,12 @@ func (s *InMemoryState) RemovePod(pod *Pod) error { return errors.Wrapf(ErrCtrExists, "pod %s is not empty and cannot be removed", pod.ID()) } - if err := s.podIDIndex.Delete(pod.ID()); err != nil { + if err := s.idIndex.Delete(pod.ID()); err != nil { return errors.Wrapf(err, "error removing pod ID %s from index", pod.ID()) } delete(s.pods, pod.ID()) delete(s.podContainers, pod.ID()) - s.podNameIndex.Release(pod.Name()) + s.nameIndex.Release(pod.Name()) return nil } @@ -457,10 +452,10 @@ func (s *InMemoryState) RemovePodContainers(pod *Pod) error { // Remove all containers s.podContainers[pod.ID()] = make(map[string]*Container) for _, ctr := range podCtrs { - if err := s.ctrIDIndex.Delete(ctr.ID()); err != nil { + if err := s.idIndex.Delete(ctr.ID()); err != nil { return errors.Wrapf(err, "error removing container ID from index") } - s.ctrNameIndex.Release(ctr.Name()) + s.nameIndex.Release(ctr.Name()) delete(s.containers, ctr.ID()) delete(s.ctrDepends, ctr.ID()) @@ -501,12 +496,12 @@ func (s *InMemoryState) AddContainerToPod(pod *Pod, ctr *Container) error { return errors.Wrapf(ErrCtrExists, "container with ID %s already exists in state", ctr.ID()) } - if err := s.ctrNameIndex.Reserve(ctr.Name(), ctr.ID()); err != nil { + if err := s.nameIndex.Reserve(ctr.Name(), ctr.ID()); err != nil { return errors.Wrapf(err, "error reserving container name %s", ctr.Name()) } - if err := s.ctrIDIndex.Add(ctr.ID()); err != nil { - s.ctrNameIndex.Release(ctr.Name()) + if err := s.idIndex.Add(ctr.ID()); err != nil { + s.nameIndex.Release(ctr.Name()) return errors.Wrapf(err, "error releasing container ID %s", ctr.ID()) } @@ -545,11 +540,11 @@ func (s *InMemoryState) RemoveContainerFromPod(pod *Pod, ctr *Container) error { return errors.Wrapf(ErrNoSuchCtr, "no container exists in state with ID %s", ctr.ID()) } - if err := s.ctrIDIndex.Delete(ctr.ID()); err != nil { + if err := s.idIndex.Delete(ctr.ID()); err != nil { return errors.Wrapf(err, "error removing container ID from index") } delete(s.containers, ctr.ID()) - s.ctrNameIndex.Release(ctr.Name()) + s.nameIndex.Release(ctr.Name()) // Remove the container from the pod delete(podCtrs, ctr.ID()) |