frostfs-node/pkg/local_object_storage/engine/container.go
Alex Vanin de1f601765 [] engine: Add container listing for both engine and shard
Container listing already supported in the metabase for `engine.List`
operation. To get container statistics engine should provide both the
option to get container volume estimation and list of all containers.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-01-29 11:04:30 +03:00

112 lines
2.5 KiB
Go

package engine
import (
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
"go.uber.org/zap"
)
type ContainerSizePrm struct {
cid *container.ID
}
type ContainerSizeRes struct {
size uint64
}
type ListContainersPrm struct{}
type ListContainersRes struct {
containers []*container.ID
}
func (p *ContainerSizePrm) WithContainerID(cid *container.ID) *ContainerSizePrm {
if p != nil {
p.cid = cid
}
return p
}
func (r *ContainerSizeRes) Size() uint64 {
return r.size
}
func (r *ListContainersRes) Containers() []*container.ID {
return r.containers
}
// ContainerSize returns sum of estimation container sizes among all shards.
func (e *StorageEngine) ContainerSize(prm *ContainerSizePrm) *ContainerSizeRes {
return &ContainerSizeRes{
size: e.containerSize(prm.cid),
}
}
// ContainerSize returns sum of estimation container sizes among all shards.
func ContainerSize(e *StorageEngine, id *container.ID) uint64 {
return e.ContainerSize(&ContainerSizePrm{cid: id}).Size()
}
func (e *StorageEngine) containerSize(id *container.ID) (total uint64) {
e.iterateOverUnsortedShards(func(s *shard.Shard) (stop bool) {
size, err := shard.ContainerSize(s, id)
if err != nil {
e.log.Warn("can't get container size",
zap.Stringer("shard_id", s.ID()),
zap.Stringer("container_id", id),
zap.String("error", err.Error()))
return false
}
total += size
return false
})
return total
}
// ListContainers returns unique container IDs presented in the engine objects.
func (e *StorageEngine) ListContainers(_ *ListContainersPrm) *ListContainersRes {
return &ListContainersRes{
containers: e.listContainers(),
}
}
// ListContainers returns unique container IDs presented in the engine objects.
func ListContainers(e *StorageEngine) []*container.ID {
return e.ListContainers(&ListContainersPrm{}).Containers()
}
func (e *StorageEngine) listContainers() []*container.ID {
uniqueIDs := make(map[string]*container.ID)
e.iterateOverUnsortedShards(func(s *shard.Shard) (stop bool) {
cnrs, err := shard.ListContainers(s)
if err != nil {
e.log.Warn("can't get list of containers",
zap.Stringer("shard_id", s.ID()),
zap.String("error", err.Error()))
return false
}
for i := range cnrs {
id := cnrs[i].String()
if _, ok := uniqueIDs[id]; !ok {
uniqueIDs[id] = cnrs[i]
}
}
return false
})
result := make([]*container.ID, 0, len(uniqueIDs))
for _, v := range uniqueIDs {
result = append(result, v)
}
return result
}