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[#647] objsvc/search: Simplify error handling

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Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-08-24 21:44:55 +03:00
parent 56f841b022
commit 966ad22abf
4 changed files with 51 additions and 117 deletions
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41
pkg/services/object/search/container.go
View file

@ -3,6 +3,7 @@ package searchsvc
import (
"context"
"encoding/hex"
"fmt"
"sync"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
@ -10,12 +11,7 @@ import (
"go.uber.org/zap"
)
func (exec *execCtx) executeOnContainer(ctx context.Context) {
if exec.isLocal() {
exec.log.Debug(logs.SearchReturnResultDirectly)
return
}
func (exec *execCtx) executeOnContainer(ctx context.Context) error {
lookupDepth := exec.netmapLookupDepth()
exec.log.Debug(logs.TryingToExecuteInContainer,
@ -23,13 +19,12 @@ func (exec *execCtx) executeOnContainer(ctx context.Context) {
)
// initialize epoch number
ok := exec.initEpoch()
if !ok {
return
if err := exec.initEpoch(); err != nil {
return fmt.Errorf("%s: %w", logs.CouldNotGetCurrentEpochNumber, err)
}
for {
if exec.processCurrentEpoch(ctx) {
if err := exec.processCurrentEpoch(ctx); err != nil {
break
}
@ -44,18 +39,17 @@ func (exec *execCtx) executeOnContainer(ctx context.Context) {
exec.curProcEpoch--
}
exec.status = statusOK
exec.err = nil
return nil
}
func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
func (exec *execCtx) processCurrentEpoch(ctx context.Context) error {
exec.log.Debug(logs.ProcessEpoch,
zap.Uint64("number", exec.curProcEpoch),
)
traverser, ok := exec.generateTraverser(exec.containerID())
if !ok {
return true
traverser, err := exec.svc.traverserGenerator.GenerateTraverser(exec.containerID(), nil, exec.curProcEpoch)
if err != nil {
return fmt.Errorf("%s: %w", logs.SearchCouldNotGenerateContainerTraverser, err)
}
ctx, cancel := context.WithCancel(ctx)
@ -91,12 +85,7 @@ func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
c, err := exec.svc.clientConstructor.get(info)
if err != nil {
mtx.Lock()
exec.status = statusUndefined
exec.err = err
mtx.Unlock()
exec.log.Debug(logs.SearchCouldNotConstructRemoteNodeClient)
exec.log.Debug(logs.SearchCouldNotConstructRemoteNodeClient, zap.String("error", err.Error()))
return
}
@ -109,13 +98,17 @@ func (exec *execCtx) processCurrentEpoch(ctx context.Context) bool {
}
mtx.Lock()
exec.writeIDList(ids)
err = exec.writeIDList(ids)
mtx.Unlock()
if err != nil {
exec.log.Debug(logs.SearchCouldNotWriteObjectIdentifiers, zap.String("error", err.Error()))
return
}
}(i)
}
wg.Wait()
}
return false
return nil
}

70
pkg/services/object/search/exec.go
View file

@ -1,8 +1,6 @@
package searchsvc
import (
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
@ -10,28 +8,16 @@ import (
"go.uber.org/zap"
)
type statusError struct {
status int
err error
}
type execCtx struct {
svc *Service
prm Prm
statusError
log *logger.Logger
curProcEpoch uint64
}
const (
statusUndefined int = iota
statusOK
)
func (exec *execCtx) prepare() {
if _, ok := exec.prm.writer.(*uniqueIDWriter); !ok {
exec.prm.writer = newUniqueAddressWriter(exec.prm.writer)
@ -68,64 +54,24 @@ func (exec *execCtx) netmapLookupDepth() uint64 {
return exec.prm.common.NetmapLookupDepth()
}
func (exec *execCtx) initEpoch() bool {
func (exec *execCtx) initEpoch() error {
exec.curProcEpoch = exec.netmapEpoch()
if exec.curProcEpoch > 0 {
return true
return nil
}
e, err := exec.svc.currentEpochReceiver.Epoch()
if err != nil {
return err
}
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.CouldNotGetCurrentEpochNumber,
zap.String("error", err.Error()),
)
return false
case err == nil:
exec.curProcEpoch = e
return true
}
return nil
}
func (exec *execCtx) generateTraverser(cnr cid.ID) (*placement.Traverser, bool) {
t, err := exec.svc.traverserGenerator.GenerateTraverser(cnr, nil, exec.curProcEpoch)
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.SearchCouldNotGenerateContainerTraverser,
zap.String("error", err.Error()),
)
return nil, false
case err == nil:
return t, true
}
}
func (exec *execCtx) writeIDList(ids []oid.ID) {
func (exec *execCtx) writeIDList(ids []oid.ID) error {
ids = exec.filterAllowedObjectIDs(ids)
err := exec.prm.writer.WriteIDs(ids)
switch {
default:
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.SearchCouldNotWriteObjectIdentifiers,
zap.String("error", err.Error()),
)
case err == nil:
exec.status = statusOK
exec.err = nil
}
return exec.prm.writer.WriteIDs(ids)
}
func (exec *execCtx) filterAllowedObjectIDs(objIDs []oid.ID) []oid.ID {

20
pkg/services/object/search/local.go
View file

@ -2,24 +2,22 @@ package searchsvc
import (
"context"
"fmt"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"go.uber.org/zap"
)
func (exec *execCtx) executeLocal(ctx context.Context) {
func (exec *execCtx) executeLocal(ctx context.Context) error {
ids, err := exec.svc.localStorage.search(ctx, exec)
if err != nil {
exec.status = statusUndefined
exec.err = err
exec.log.Debug(logs.SearchLocalOperationFailed,
zap.String("error", err.Error()),
)
return
exec.log.Debug(logs.SearchLocalOperationFailed, zap.String("error", err.Error()))
return err
}
exec.writeIDList(ids)
if err := exec.writeIDList(ids); err != nil {
return fmt.Errorf("%s: %w", logs.SearchCouldNotWriteObjectIdentifiers, err)
}
return nil
}

35
pkg/services/object/search/search.go
View file

@ -18,33 +18,30 @@ func (s *Service) Search(ctx context.Context, prm Prm) error {
exec.setLogger(s.log)
exec.execute(ctx)
return exec.statusError.err
return exec.execute(ctx)
}
func (exec *execCtx) execute(ctx context.Context) {
func (exec *execCtx) execute(ctx context.Context) error {
exec.log.Debug(logs.ServingRequest)
// perform local operation
exec.executeLocal(ctx)
err := exec.executeLocal(ctx)
exec.logResult(err)
exec.analyzeStatus(ctx, true)
if exec.isLocal() {
exec.log.Debug(logs.SearchReturnResultDirectly)
return err
}
func (exec *execCtx) analyzeStatus(ctx context.Context, execCnr bool) {
// analyze local result
switch exec.status {
err = exec.executeOnContainer(ctx)
exec.logResult(err)
return err
}
func (exec *execCtx) logResult(err error) {
switch {
default:
exec.log.Debug(logs.OperationFinishedWithError,
zap.String("error", exec.err.Error()),
)
case statusOK:
exec.log.Debug(logs.OperationFinishedWithError, zap.String("error", err.Error()))
case err == nil:
exec.log.Debug(logs.OperationFinishedSuccessfully)
}
if execCnr {
exec.executeOnContainer(ctx)
exec.analyzeStatus(ctx, false)
}
}