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[#328] container/load: Implement Iterator on local storage engine

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Implement wrapper over StorageEngine on app-side that iterates over the
values returned by ListContainers+ContainerSize method pair. Component will
be used as the source of local metrics.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-02-01 15:11:25 +03:00 committed by Leonard Lyubich
parent 910017b72f
commit 1bed03995b
1 changed files with 34 additions and 0 deletions
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34
cmd/neofs-node/container.go
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@ -10,6 +10,7 @@ import (
containerGRPC "github.com/nspcc-dev/neofs-api-go/v2/container/grpc"
containerCore "github.com/nspcc-dev/neofs-node/pkg/core/container"
netmapCore "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/container"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
@ -151,3 +152,36 @@ func (l *loadPlacementBuilder) buildPlacement(epoch uint64, cid *containerSDK.ID
return cnrNodes, nm, nil
}
type localStorageLoad struct {
log *logger.Logger
engine *engine.StorageEngine
}
func (d *localStorageLoad) Iterate(f loadcontroller.UsedSpaceFilter, h loadcontroller.UsedSpaceHandler) error {
idList := engine.ListContainers(d.engine)
for i := range idList {
sz := engine.ContainerSize(d.engine, idList[i])
d.log.Debug("container size in storage engine calculated successfully",
zap.Uint64("size", sz),
zap.Stringer("cid", idList[i]),
)
a := containerSDK.NewAnnouncement()
a.SetContainerID(idList[i])
a.SetUsedSpace(sz)
if f != nil && !f(*a) {
continue
}
if err := h(*a); err != nil {
return err
}
}
return nil
}