frostfs-node/pkg/local_object_storage/engine/put.go
Dmitrii Stepanov 6ea8f2b23c
[#1548] engine: Rename parent -> ecParent
Parent could mean split parent or EC parent. In this case it is EC parent only.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2024-12-11 10:41:32 +03:00

200 lines
5.6 KiB
Go

package engine
import (
"context"
"errors"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
tracingPkg "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"go.uber.org/zap"
)
// PutPrm groups the parameters of Put operation.
type PutPrm struct {
Object *objectSDK.Object
IsIndexedContainer bool
}
var errPutShard = errors.New("could not put object to any shard")
type putToShardStatus byte
const (
putToShardUnknown putToShardStatus = iota
putToShardSuccess
putToShardExists
putToShardRemoved
)
type putToShardRes struct {
status putToShardStatus
err error
}
// Put saves the object to local storage.
//
// Returns any error encountered that
// did not allow to completely save the object.
//
// Returns an error if executions are blocked (see BlockExecution).
//
// Returns an error of type apistatus.ObjectAlreadyRemoved if the object has been marked as removed.
func (e *StorageEngine) Put(ctx context.Context, prm PutPrm) (err error) {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.Put",
trace.WithAttributes(
attribute.String("address", object.AddressOf(prm.Object).EncodeToString()),
))
defer span.End()
defer elapsed("Put", e.metrics.AddMethodDuration)()
err = e.execIfNotBlocked(func() error {
err = e.put(ctx, prm)
return err
})
return
}
func (e *StorageEngine) put(ctx context.Context, prm PutPrm) error {
addr := object.AddressOf(prm.Object)
// In #1146 this check was parallelized, however, it became
// much slower on fast machines for 4 shards.
var ecParent oid.Address
if prm.Object.ECHeader() != nil {
ecParent.SetObject(prm.Object.ECHeader().Parent())
ecParent.SetContainer(addr.Container())
}
var shPrm shard.ExistsPrm
shPrm.Address = addr
shPrm.ECParentAddress = ecParent
existed, locked, err := e.exists(ctx, shPrm)
if err != nil {
return err
}
if !existed && locked {
lockers, err := e.GetLocked(ctx, ecParent)
if err != nil {
return err
}
for _, locker := range lockers {
err = e.lock(ctx, addr.Container(), locker, []oid.ID{addr.Object()})
if err != nil {
return err
}
}
}
var shRes putToShardRes
e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) {
e.mtx.RLock()
pool, ok := e.shardPools[sh.ID().String()]
e.mtx.RUnlock()
if !ok {
// Shard was concurrently removed, skip.
return false
}
shRes = e.putToShard(ctx, sh, pool, addr, prm.Object, prm.IsIndexedContainer)
return shRes.status != putToShardUnknown
})
switch shRes.status {
case putToShardUnknown:
return errPutShard
case putToShardRemoved:
return shRes.err
case putToShardExists, putToShardSuccess:
return nil
default:
return errPutShard
}
}
// putToShard puts object to sh.
// Return putToShardStatus and error if it is necessary to propagate an error upper.
func (e *StorageEngine) putToShard(ctx context.Context, sh hashedShard, pool util.WorkerPool,
addr oid.Address, obj *objectSDK.Object, isIndexedContainer bool,
) (res putToShardRes) {
exitCh := make(chan struct{})
if err := pool.Submit(func() {
defer close(exitCh)
var existPrm shard.ExistsPrm
existPrm.Address = addr
exists, err := sh.Exists(ctx, existPrm)
if err != nil {
if shard.IsErrObjectExpired(err) {
// object is already found but
// expired => do nothing with it
res.status = putToShardExists
} else {
e.log.Warn(ctx, logs.EngineCouldNotCheckObjectExistence,
zap.Stringer("shard_id", sh.ID()),
zap.String("error", err.Error()),
zap.String("trace_id", tracingPkg.GetTraceID(ctx)))
}
return // this is not ErrAlreadyRemoved error so we can go to the next shard
}
if exists.Exists() {
res.status = putToShardExists
return
}
var putPrm shard.PutPrm
putPrm.SetObject(obj)
putPrm.SetIndexAttributes(isIndexedContainer)
_, err = sh.Put(ctx, putPrm)
if err != nil {
if errors.Is(err, shard.ErrReadOnlyMode) || errors.Is(err, blobstor.ErrNoPlaceFound) ||
errors.Is(err, common.ErrReadOnly) || errors.Is(err, common.ErrNoSpace) {
e.log.Warn(ctx, logs.EngineCouldNotPutObjectToShard,
zap.Stringer("shard_id", sh.ID()),
zap.String("error", err.Error()),
zap.String("trace_id", tracingPkg.GetTraceID(ctx)))
return
}
if client.IsErrObjectAlreadyRemoved(err) {
e.log.Warn(ctx, logs.EngineCouldNotPutObjectToShard,
zap.Stringer("shard_id", sh.ID()),
zap.String("error", err.Error()),
zap.String("trace_id", tracingPkg.GetTraceID(ctx)))
res.status = putToShardRemoved
res.err = err
return
}
e.reportShardError(ctx, sh, "could not put object to shard", err, zap.Stringer("address", addr))
return
}
res.status = putToShardSuccess
}); err != nil {
e.log.Warn(ctx, logs.EngineCouldNotPutObjectToShard, zap.Error(err))
close(exitCh)
}
<-exitCh
return
}
// Put writes provided object to local storage.
func Put(ctx context.Context, storage *StorageEngine, obj *objectSDK.Object, indexedContainer bool) error {
return storage.Put(ctx, PutPrm{Object: obj, IsIndexedContainer: indexedContainer})
}