Airat Arifullin
9b13a18aac
* Update version within go.mod; * Fix deprecated frostfs-api-go/v2 package and use frostfs-sdk-go/api instead. Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
232 lines
5.6 KiB
Go
232 lines
5.6 KiB
Go
package deletesvc
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import (
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"context"
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"errors"
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"fmt"
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"strconv"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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objectV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/object"
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apiclient "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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"go.uber.org/zap"
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)
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var errDeleteECChunk = errors.New("invalid operation: delete EC object chunk")
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type execCtx struct {
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svc *Service
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prm Prm
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log *logger.Logger
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tombstone *objectSDK.Tombstone
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splitInfo *objectSDK.SplitInfo
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tombstoneObj *objectSDK.Object
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}
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func (exec *execCtx) setLogger(l *logger.Logger) {
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exec.log = &logger.Logger{Logger: l.With(
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zap.String("request", "DELETE"),
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zap.Stringer("address", exec.address()),
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zap.Bool("local", exec.isLocal()),
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zap.Bool("with session", exec.prm.common.SessionToken() != nil),
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zap.Bool("with bearer", exec.prm.common.BearerToken() != nil),
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)}
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}
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func (exec *execCtx) isLocal() bool {
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return exec.prm.common.LocalOnly()
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}
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func (exec *execCtx) address() oid.Address {
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return exec.prm.addr
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}
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func (exec *execCtx) containerID() cid.ID {
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return exec.prm.addr.Container()
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}
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func (exec *execCtx) commonParameters() *util.CommonPrm {
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return exec.prm.common
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}
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func (exec *execCtx) newAddress(id oid.ID) oid.Address {
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var a oid.Address
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a.SetObject(id)
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a.SetContainer(exec.containerID())
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return a
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}
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func (exec *execCtx) formExtendedInfo(ctx context.Context) error {
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obj, err := exec.svc.header.head(ctx, exec)
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var errSplitInfo *objectSDK.SplitInfoError
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var errECInfo *objectSDK.ECInfoError
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switch {
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case err == nil:
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if ech := obj.ECHeader(); ech != nil {
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return errDeleteECChunk
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}
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return nil
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case errors.As(err, &errSplitInfo):
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exec.splitInfo = errSplitInfo.SplitInfo()
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exec.tombstone.SetSplitID(exec.splitInfo.SplitID())
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exec.log.Debug(logs.DeleteSplitInfoSuccessfullyFormedCollectingMembers)
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if err := exec.collectMembers(ctx); err != nil {
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return err
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}
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exec.log.Debug(logs.DeleteMembersSuccessfullyCollected)
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return nil
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case errors.As(err, &errECInfo):
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exec.log.Debug(logs.DeleteECObjectReceived)
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return nil
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}
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if !apiclient.IsErrObjectAlreadyRemoved(err) {
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// IsErrObjectAlreadyRemoved check is required because splitInfo
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// implicitly performs Head request that may return ObjectAlreadyRemoved
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// status that is not specified for Delete.
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return err
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}
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return nil
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}
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func (exec *execCtx) collectMembers(ctx context.Context) error {
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if exec.splitInfo == nil {
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exec.log.Debug(logs.DeleteNoSplitInfoObjectIsPHY)
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return nil
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}
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var err error
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if _, withLink := exec.splitInfo.Link(); withLink {
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err = exec.collectChildren(ctx)
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}
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if err != nil {
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if _, withLast := exec.splitInfo.LastPart(); withLast {
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if err := exec.collectChain(ctx); err != nil {
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return err
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}
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}
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} // may be fail if neither right nor linking ID is set?
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return exec.supplementBySplitID(ctx)
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}
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func (exec *execCtx) collectChain(ctx context.Context) error {
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var chain []oid.ID
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exec.log.Debug(logs.DeleteAssemblingChain)
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for prev, withPrev := exec.splitInfo.LastPart(); withPrev; {
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chain = append(chain, prev)
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p, err := exec.svc.header.previous(ctx, exec, prev)
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if err != nil {
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return fmt.Errorf("get previous split element for %s: %w", prev, err)
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}
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withPrev = p != nil
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if withPrev {
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prev = *p
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}
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}
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exec.addMembers(chain)
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return nil
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}
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func (exec *execCtx) collectChildren(ctx context.Context) error {
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exec.log.Debug(logs.DeleteCollectingChildren)
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children, err := exec.svc.header.children(ctx, exec)
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if err != nil {
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return fmt.Errorf("collect children: %w", err)
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}
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link, _ := exec.splitInfo.Link()
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exec.addMembers(append(children, link))
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return nil
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}
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func (exec *execCtx) supplementBySplitID(ctx context.Context) error {
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exec.log.Debug(logs.DeleteSupplementBySplitID)
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chain, err := exec.svc.searcher.splitMembers(ctx, exec)
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if err != nil {
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return fmt.Errorf("search split chain members: %w", err)
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}
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exec.addMembers(chain)
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return nil
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}
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func (exec *execCtx) addMembers(incoming []oid.ID) {
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members := exec.tombstone.Members()
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for i := range members {
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for j := 0; j < len(incoming); j++ { // don't use range, slice mutates in body
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if members[i].Equals(incoming[j]) {
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incoming = append(incoming[:j], incoming[j+1:]...)
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j--
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}
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}
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}
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exec.tombstone.SetMembers(append(members, incoming...))
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}
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func (exec *execCtx) initTombstoneObject() error {
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payload, err := exec.tombstone.Marshal()
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if err != nil {
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return fmt.Errorf("marshal tombstone: %w", err)
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}
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exec.tombstoneObj = objectSDK.New()
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exec.tombstoneObj.SetContainerID(exec.containerID())
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exec.tombstoneObj.SetType(objectSDK.TypeTombstone)
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exec.tombstoneObj.SetPayload(payload)
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tokenSession := exec.commonParameters().SessionToken()
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if tokenSession != nil {
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issuer := tokenSession.Issuer()
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exec.tombstoneObj.SetOwnerID(issuer)
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} else {
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// make local node a tombstone object owner
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localUser := exec.svc.netInfo.LocalNodeID()
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exec.tombstoneObj.SetOwnerID(localUser)
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}
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var a objectSDK.Attribute
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a.SetKey(objectV2.SysAttributeExpEpoch)
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a.SetValue(strconv.FormatUint(exec.tombstone.ExpirationEpoch(), 10))
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exec.tombstoneObj.SetAttributes(a)
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return nil
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}
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func (exec *execCtx) saveTombstone(ctx context.Context) error {
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id, err := exec.svc.placer.put(ctx, exec)
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if err != nil {
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return fmt.Errorf("save tombstone: %w", err)
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}
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exec.prm.tombAddrWriter.SetAddress(exec.newAddress(*id))
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return nil
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}
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