mirror of https://github.com/minio/minio.git
708 lines
22 KiB
Go
708 lines
22 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"encoding/xml"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"runtime"
|
|
"strings"
|
|
"time"
|
|
|
|
miniogo "github.com/minio/minio-go/v7"
|
|
"github.com/minio/minio-go/v7/pkg/tags"
|
|
xhttp "github.com/minio/minio/cmd/http"
|
|
"github.com/minio/minio/cmd/logger"
|
|
sse "github.com/minio/minio/pkg/bucket/encryption"
|
|
"github.com/minio/minio/pkg/bucket/lifecycle"
|
|
"github.com/minio/minio/pkg/event"
|
|
"github.com/minio/minio/pkg/hash"
|
|
"github.com/minio/minio/pkg/madmin"
|
|
"github.com/minio/minio/pkg/s3select"
|
|
)
|
|
|
|
const (
|
|
// Disabled means the lifecycle rule is inactive
|
|
Disabled = "Disabled"
|
|
)
|
|
|
|
// LifecycleSys - Bucket lifecycle subsystem.
|
|
type LifecycleSys struct{}
|
|
|
|
// Get - gets lifecycle config associated to a given bucket name.
|
|
func (sys *LifecycleSys) Get(bucketName string) (lc *lifecycle.Lifecycle, err error) {
|
|
if globalIsGateway {
|
|
objAPI := newObjectLayerFn()
|
|
if objAPI == nil {
|
|
return nil, errServerNotInitialized
|
|
}
|
|
|
|
return nil, BucketLifecycleNotFound{Bucket: bucketName}
|
|
}
|
|
|
|
return globalBucketMetadataSys.GetLifecycleConfig(bucketName)
|
|
}
|
|
|
|
// NewLifecycleSys - creates new lifecycle system.
|
|
func NewLifecycleSys() *LifecycleSys {
|
|
return &LifecycleSys{}
|
|
}
|
|
|
|
type expiryTask struct {
|
|
objInfo ObjectInfo
|
|
versionExpiry bool
|
|
}
|
|
|
|
type expiryState struct {
|
|
expiryCh chan expiryTask
|
|
}
|
|
|
|
func (es *expiryState) queueExpiryTask(oi ObjectInfo, rmVersion bool) {
|
|
select {
|
|
case es.expiryCh <- expiryTask{objInfo: oi, versionExpiry: rmVersion}:
|
|
default:
|
|
}
|
|
}
|
|
|
|
var (
|
|
globalExpiryState *expiryState
|
|
)
|
|
|
|
func newExpiryState() *expiryState {
|
|
es := &expiryState{
|
|
expiryCh: make(chan expiryTask, 10000),
|
|
}
|
|
go func() {
|
|
<-GlobalContext.Done()
|
|
close(es.expiryCh)
|
|
}()
|
|
return es
|
|
}
|
|
|
|
func initBackgroundExpiry(ctx context.Context, objectAPI ObjectLayer) {
|
|
globalExpiryState = newExpiryState()
|
|
go func() {
|
|
for t := range globalExpiryState.expiryCh {
|
|
applyExpiryRule(ctx, objectAPI, t.objInfo, false, t.versionExpiry)
|
|
}
|
|
}()
|
|
}
|
|
|
|
type transitionState struct {
|
|
// add future metrics here
|
|
transitionCh chan ObjectInfo
|
|
}
|
|
|
|
func (t *transitionState) queueTransitionTask(oi ObjectInfo) {
|
|
select {
|
|
case t.transitionCh <- oi:
|
|
default:
|
|
}
|
|
}
|
|
|
|
var (
|
|
globalTransitionState *transitionState
|
|
globalTransitionConcurrent = runtime.GOMAXPROCS(0) / 2
|
|
)
|
|
|
|
func newTransitionState() *transitionState {
|
|
|
|
// fix minimum concurrent transition to 1 for single CPU setup
|
|
if globalTransitionConcurrent == 0 {
|
|
globalTransitionConcurrent = 1
|
|
}
|
|
ts := &transitionState{
|
|
transitionCh: make(chan ObjectInfo, 10000),
|
|
}
|
|
go func() {
|
|
<-GlobalContext.Done()
|
|
close(ts.transitionCh)
|
|
}()
|
|
return ts
|
|
}
|
|
|
|
// addWorker creates a new worker to process tasks
|
|
func (t *transitionState) addWorker(ctx context.Context, objectAPI ObjectLayer) {
|
|
// Add a new worker.
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case oi, ok := <-t.transitionCh:
|
|
if !ok {
|
|
return
|
|
}
|
|
if err := transitionObject(ctx, objectAPI, oi); err != nil {
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
func initBackgroundTransition(ctx context.Context, objectAPI ObjectLayer) {
|
|
if globalTransitionState == nil {
|
|
return
|
|
}
|
|
|
|
// Start with globalTransitionConcurrent.
|
|
for i := 0; i < globalTransitionConcurrent; i++ {
|
|
globalTransitionState.addWorker(ctx, objectAPI)
|
|
}
|
|
}
|
|
|
|
func validateLifecycleTransition(ctx context.Context, bucket string, lfc *lifecycle.Lifecycle) error {
|
|
for _, rule := range lfc.Rules {
|
|
if rule.Transition.StorageClass != "" {
|
|
sameTarget, destbucket, err := validateTransitionDestination(ctx, bucket, rule.Transition.StorageClass)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if sameTarget && destbucket == bucket {
|
|
return fmt.Errorf("Transition destination cannot be the same as the source bucket")
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// validateTransitionDestination returns error if transition destination bucket missing or not configured
|
|
// It also returns true if transition destination is same as this server.
|
|
func validateTransitionDestination(ctx context.Context, bucket string, targetLabel string) (bool, string, error) {
|
|
tgt := globalBucketTargetSys.GetRemoteTargetWithLabel(ctx, bucket, targetLabel)
|
|
if tgt == nil {
|
|
return false, "", BucketRemoteTargetNotFound{Bucket: bucket}
|
|
}
|
|
arn, err := madmin.ParseARN(tgt.Arn)
|
|
if err != nil {
|
|
return false, "", BucketRemoteTargetNotFound{Bucket: bucket}
|
|
}
|
|
if arn.Type != madmin.ILMService {
|
|
return false, "", BucketRemoteArnTypeInvalid{}
|
|
}
|
|
clnt := globalBucketTargetSys.GetRemoteTargetClient(ctx, tgt.Arn)
|
|
if clnt == nil {
|
|
return false, "", BucketRemoteTargetNotFound{Bucket: bucket}
|
|
}
|
|
if found, _ := clnt.BucketExists(ctx, arn.Bucket); !found {
|
|
return false, "", BucketRemoteDestinationNotFound{Bucket: arn.Bucket}
|
|
}
|
|
sameTarget, _ := isLocalHost(clnt.EndpointURL().Hostname(), clnt.EndpointURL().Port(), globalMinioPort)
|
|
return sameTarget, arn.Bucket, nil
|
|
}
|
|
|
|
// transitionSC returns storage class label for this bucket
|
|
func transitionSC(ctx context.Context, bucket string) string {
|
|
cfg, err := globalBucketMetadataSys.GetLifecycleConfig(bucket)
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
for _, rule := range cfg.Rules {
|
|
if rule.Status == Disabled {
|
|
continue
|
|
}
|
|
if rule.Transition.StorageClass != "" {
|
|
return rule.Transition.StorageClass
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// return true if ARN representing transition storage class is present in a active rule
|
|
// for the lifecycle configured on this bucket
|
|
func transitionSCInUse(ctx context.Context, lfc *lifecycle.Lifecycle, bucket, arnStr string) bool {
|
|
tgtLabel := globalBucketTargetSys.GetRemoteLabelWithArn(ctx, bucket, arnStr)
|
|
if tgtLabel == "" {
|
|
return false
|
|
}
|
|
for _, rule := range lfc.Rules {
|
|
if rule.Status == Disabled {
|
|
continue
|
|
}
|
|
if rule.Transition.StorageClass != "" && rule.Transition.StorageClass == tgtLabel {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// set PutObjectOptions for PUT operation to transition data to target cluster
|
|
func putTransitionOpts(objInfo ObjectInfo) (putOpts miniogo.PutObjectOptions, err error) {
|
|
meta := make(map[string]string)
|
|
|
|
putOpts = miniogo.PutObjectOptions{
|
|
UserMetadata: meta,
|
|
ContentType: objInfo.ContentType,
|
|
ContentEncoding: objInfo.ContentEncoding,
|
|
StorageClass: objInfo.StorageClass,
|
|
Internal: miniogo.AdvancedPutOptions{
|
|
SourceVersionID: objInfo.VersionID,
|
|
SourceMTime: objInfo.ModTime,
|
|
SourceETag: objInfo.ETag,
|
|
},
|
|
}
|
|
|
|
if objInfo.UserTags != "" {
|
|
tag, _ := tags.ParseObjectTags(objInfo.UserTags)
|
|
if tag != nil {
|
|
putOpts.UserTags = tag.ToMap()
|
|
}
|
|
}
|
|
|
|
lkMap := caseInsensitiveMap(objInfo.UserDefined)
|
|
if lang, ok := lkMap.Lookup(xhttp.ContentLanguage); ok {
|
|
putOpts.ContentLanguage = lang
|
|
}
|
|
if disp, ok := lkMap.Lookup(xhttp.ContentDisposition); ok {
|
|
putOpts.ContentDisposition = disp
|
|
}
|
|
if cc, ok := lkMap.Lookup(xhttp.CacheControl); ok {
|
|
putOpts.CacheControl = cc
|
|
}
|
|
if mode, ok := lkMap.Lookup(xhttp.AmzObjectLockMode); ok {
|
|
rmode := miniogo.RetentionMode(mode)
|
|
putOpts.Mode = rmode
|
|
}
|
|
if retainDateStr, ok := lkMap.Lookup(xhttp.AmzObjectLockRetainUntilDate); ok {
|
|
rdate, err := time.Parse(time.RFC3339, retainDateStr)
|
|
if err != nil {
|
|
return putOpts, err
|
|
}
|
|
putOpts.RetainUntilDate = rdate
|
|
}
|
|
if lhold, ok := lkMap.Lookup(xhttp.AmzObjectLockLegalHold); ok {
|
|
putOpts.LegalHold = miniogo.LegalHoldStatus(lhold)
|
|
}
|
|
|
|
return putOpts, nil
|
|
}
|
|
|
|
// handle deletes of transitioned objects or object versions when one of the following is true:
|
|
// 1. temporarily restored copies of objects (restored with the PostRestoreObject API) expired.
|
|
// 2. life cycle expiry date is met on the object.
|
|
// 3. Object is removed through DELETE api call
|
|
func deleteTransitionedObject(ctx context.Context, objectAPI ObjectLayer, bucket, object string, lcOpts lifecycle.ObjectOpts, restoredObject, isDeleteTierOnly bool) error {
|
|
if lcOpts.TransitionStatus == "" && !isDeleteTierOnly {
|
|
return nil
|
|
}
|
|
lc, err := globalLifecycleSys.Get(bucket)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
arn := getLifecycleTransitionTargetArn(ctx, lc, bucket, lcOpts)
|
|
if arn == nil {
|
|
return fmt.Errorf("remote target not configured")
|
|
}
|
|
tgt := globalBucketTargetSys.GetRemoteTargetClient(ctx, arn.String())
|
|
if tgt == nil {
|
|
return fmt.Errorf("remote target not configured")
|
|
}
|
|
|
|
var opts ObjectOptions
|
|
opts.Versioned = globalBucketVersioningSys.Enabled(bucket)
|
|
opts.VersionID = lcOpts.VersionID
|
|
if restoredObject {
|
|
// delete locally restored copy of object or object version
|
|
// from the source, while leaving metadata behind. The data on
|
|
// transitioned tier lies untouched and still accessible
|
|
opts.TransitionStatus = lcOpts.TransitionStatus
|
|
_, err = objectAPI.DeleteObject(ctx, bucket, object, opts)
|
|
return err
|
|
}
|
|
|
|
// When an object is past expiry, delete the data from transitioned tier and
|
|
// metadata from source
|
|
if err := tgt.RemoveObject(context.Background(), arn.Bucket, object, miniogo.RemoveObjectOptions{VersionID: lcOpts.VersionID}); err != nil {
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
|
|
if isDeleteTierOnly {
|
|
return nil
|
|
}
|
|
|
|
objInfo, err := objectAPI.DeleteObject(ctx, bucket, object, opts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
eventName := event.ObjectRemovedDelete
|
|
if lcOpts.DeleteMarker {
|
|
eventName = event.ObjectRemovedDeleteMarkerCreated
|
|
}
|
|
// Notify object deleted event.
|
|
sendEvent(eventArgs{
|
|
EventName: eventName,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
Host: "Internal: [ILM-EXPIRY]",
|
|
})
|
|
|
|
// should never reach here
|
|
return nil
|
|
}
|
|
|
|
// transition object to target specified by the transition ARN. When an object is transitioned to another
|
|
// storage specified by the transition ARN, the metadata is left behind on source cluster and original content
|
|
// is moved to the transition tier. Note that in the case of encrypted objects, entire encrypted stream is moved
|
|
// to the transition tier without decrypting or re-encrypting.
|
|
func transitionObject(ctx context.Context, objectAPI ObjectLayer, objInfo ObjectInfo) error {
|
|
lc, err := globalLifecycleSys.Get(objInfo.Bucket)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
lcOpts := lifecycle.ObjectOpts{
|
|
Name: objInfo.Name,
|
|
UserTags: objInfo.UserTags,
|
|
}
|
|
arn := getLifecycleTransitionTargetArn(ctx, lc, objInfo.Bucket, lcOpts)
|
|
if arn == nil {
|
|
return fmt.Errorf("remote target not configured")
|
|
}
|
|
tgt := globalBucketTargetSys.GetRemoteTargetClient(ctx, arn.String())
|
|
if tgt == nil {
|
|
return fmt.Errorf("remote target not configured")
|
|
}
|
|
|
|
gr, err := objectAPI.GetObjectNInfo(ctx, objInfo.Bucket, objInfo.Name, nil, http.Header{}, readLock, ObjectOptions{
|
|
VersionID: objInfo.VersionID,
|
|
TransitionStatus: lifecycle.TransitionPending,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
oi := gr.ObjInfo
|
|
if oi.TransitionStatus == lifecycle.TransitionComplete {
|
|
gr.Close()
|
|
return nil
|
|
}
|
|
|
|
putOpts, err := putTransitionOpts(oi)
|
|
if err != nil {
|
|
gr.Close()
|
|
return err
|
|
|
|
}
|
|
if _, err = tgt.PutObject(ctx, arn.Bucket, oi.Name, gr, oi.Size, putOpts); err != nil {
|
|
gr.Close()
|
|
return err
|
|
}
|
|
gr.Close()
|
|
|
|
var opts ObjectOptions
|
|
opts.Versioned = globalBucketVersioningSys.Enabled(oi.Bucket)
|
|
opts.VersionID = oi.VersionID
|
|
opts.TransitionStatus = lifecycle.TransitionComplete
|
|
eventName := event.ObjectTransitionComplete
|
|
|
|
objInfo, err = objectAPI.DeleteObject(ctx, oi.Bucket, oi.Name, opts)
|
|
if err != nil {
|
|
eventName = event.ObjectTransitionFailed
|
|
}
|
|
|
|
// Notify object deleted event.
|
|
sendEvent(eventArgs{
|
|
EventName: eventName,
|
|
BucketName: objInfo.Bucket,
|
|
Object: objInfo,
|
|
Host: "Internal: [ILM-Transition]",
|
|
})
|
|
|
|
return err
|
|
}
|
|
|
|
// getLifecycleTransitionTargetArn returns transition ARN for storage class specified in the config.
|
|
func getLifecycleTransitionTargetArn(ctx context.Context, lc *lifecycle.Lifecycle, bucket string, obj lifecycle.ObjectOpts) *madmin.ARN {
|
|
for _, rule := range lc.FilterActionableRules(obj) {
|
|
if rule.Transition.StorageClass != "" {
|
|
return globalBucketTargetSys.GetRemoteArnWithLabel(ctx, bucket, rule.Transition.StorageClass)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// getTransitionedObjectReader returns a reader from the transitioned tier.
|
|
func getTransitionedObjectReader(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, oi ObjectInfo, opts ObjectOptions) (gr *GetObjectReader, err error) {
|
|
var lc *lifecycle.Lifecycle
|
|
lc, err = globalLifecycleSys.Get(bucket)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
arn := getLifecycleTransitionTargetArn(ctx, lc, bucket, lifecycle.ObjectOpts{
|
|
Name: object,
|
|
UserTags: oi.UserTags,
|
|
ModTime: oi.ModTime,
|
|
VersionID: oi.VersionID,
|
|
DeleteMarker: oi.DeleteMarker,
|
|
IsLatest: oi.IsLatest,
|
|
})
|
|
if arn == nil {
|
|
return nil, fmt.Errorf("remote target not configured")
|
|
}
|
|
tgt := globalBucketTargetSys.GetRemoteTargetClient(ctx, arn.String())
|
|
if tgt == nil {
|
|
return nil, fmt.Errorf("remote target not configured")
|
|
}
|
|
fn, off, length, err := NewGetObjectReader(rs, oi, opts)
|
|
if err != nil {
|
|
return nil, ErrorRespToObjectError(err, bucket, object)
|
|
}
|
|
gopts := miniogo.GetObjectOptions{VersionID: opts.VersionID}
|
|
|
|
// get correct offsets for encrypted object
|
|
if off >= 0 && length >= 0 {
|
|
if err := gopts.SetRange(off, off+length-1); err != nil {
|
|
return nil, ErrorRespToObjectError(err, bucket, object)
|
|
}
|
|
}
|
|
|
|
reader, err := tgt.GetObject(ctx, arn.Bucket, object, gopts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
closeReader := func() { reader.Close() }
|
|
|
|
return fn(reader, h, opts.CheckPrecondFn, closeReader)
|
|
}
|
|
|
|
// RestoreRequestType represents type of restore.
|
|
type RestoreRequestType string
|
|
|
|
const (
|
|
// SelectRestoreRequest specifies select request. This is the only valid value
|
|
SelectRestoreRequest RestoreRequestType = "SELECT"
|
|
)
|
|
|
|
// Encryption specifies encryption setting on restored bucket
|
|
type Encryption struct {
|
|
EncryptionType sse.SSEAlgorithm `xml:"EncryptionType"`
|
|
KMSContext string `xml:"KMSContext,omitempty"`
|
|
KMSKeyID string `xml:"KMSKeyId,omitempty"`
|
|
}
|
|
|
|
// MetadataEntry denotes name and value.
|
|
type MetadataEntry struct {
|
|
Name string `xml:"Name"`
|
|
Value string `xml:"Value"`
|
|
}
|
|
|
|
// S3Location specifies s3 location that receives result of a restore object request
|
|
type S3Location struct {
|
|
BucketName string `xml:"BucketName,omitempty"`
|
|
Encryption Encryption `xml:"Encryption,omitempty"`
|
|
Prefix string `xml:"Prefix,omitempty"`
|
|
StorageClass string `xml:"StorageClass,omitempty"`
|
|
Tagging *tags.Tags `xml:"Tagging,omitempty"`
|
|
UserMetadata []MetadataEntry `xml:"UserMetadata"`
|
|
}
|
|
|
|
// OutputLocation specifies bucket where object needs to be restored
|
|
type OutputLocation struct {
|
|
S3 S3Location `xml:"S3,omitempty"`
|
|
}
|
|
|
|
// IsEmpty returns true if output location not specified.
|
|
func (o *OutputLocation) IsEmpty() bool {
|
|
return o.S3.BucketName == ""
|
|
}
|
|
|
|
// SelectParameters specifies sql select parameters
|
|
type SelectParameters struct {
|
|
s3select.S3Select
|
|
}
|
|
|
|
// IsEmpty returns true if no select parameters set
|
|
func (sp *SelectParameters) IsEmpty() bool {
|
|
return sp == nil
|
|
}
|
|
|
|
var (
|
|
selectParamsXMLName = "SelectParameters"
|
|
)
|
|
|
|
// UnmarshalXML - decodes XML data.
|
|
func (sp *SelectParameters) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
|
|
// Essentially the same as S3Select barring the xml name.
|
|
if start.Name.Local == selectParamsXMLName {
|
|
start.Name = xml.Name{Space: "", Local: "SelectRequest"}
|
|
}
|
|
return sp.S3Select.UnmarshalXML(d, start)
|
|
}
|
|
|
|
// RestoreObjectRequest - xml to restore a transitioned object
|
|
type RestoreObjectRequest struct {
|
|
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ RestoreRequest" json:"-"`
|
|
Days int `xml:"Days,omitempty"`
|
|
Type RestoreRequestType `xml:"Type,omitempty"`
|
|
Tier string `xml:"Tier,-"`
|
|
Description string `xml:"Description,omitempty"`
|
|
SelectParameters *SelectParameters `xml:"SelectParameters,omitempty"`
|
|
OutputLocation OutputLocation `xml:"OutputLocation,omitempty"`
|
|
}
|
|
|
|
// Maximum 2MiB size per restore object request.
|
|
const maxRestoreObjectRequestSize = 2 << 20
|
|
|
|
// parseRestoreRequest parses RestoreObjectRequest from xml
|
|
func parseRestoreRequest(reader io.Reader) (*RestoreObjectRequest, error) {
|
|
req := RestoreObjectRequest{}
|
|
if err := xml.NewDecoder(io.LimitReader(reader, maxRestoreObjectRequestSize)).Decode(&req); err != nil {
|
|
return nil, err
|
|
}
|
|
return &req, nil
|
|
}
|
|
|
|
// validate a RestoreObjectRequest as per AWS S3 spec https://docs.aws.amazon.com/AmazonS3/latest/API/API_RestoreObject.html
|
|
func (r *RestoreObjectRequest) validate(ctx context.Context, objAPI ObjectLayer) error {
|
|
if r.Type != SelectRestoreRequest && !r.SelectParameters.IsEmpty() {
|
|
return fmt.Errorf("Select parameters can only be specified with SELECT request type")
|
|
}
|
|
if r.Type == SelectRestoreRequest && r.SelectParameters.IsEmpty() {
|
|
return fmt.Errorf("SELECT restore request requires select parameters to be specified")
|
|
}
|
|
|
|
if r.Type != SelectRestoreRequest && !r.OutputLocation.IsEmpty() {
|
|
return fmt.Errorf("OutputLocation required only for SELECT request type")
|
|
}
|
|
if r.Type == SelectRestoreRequest && r.OutputLocation.IsEmpty() {
|
|
return fmt.Errorf("OutputLocation required for SELECT requests")
|
|
}
|
|
|
|
if r.Days != 0 && r.Type == SelectRestoreRequest {
|
|
return fmt.Errorf("Days cannot be specified with SELECT restore request")
|
|
}
|
|
if r.Days == 0 && r.Type != SelectRestoreRequest {
|
|
return fmt.Errorf("restoration days should be at least 1")
|
|
}
|
|
// Check if bucket exists.
|
|
if !r.OutputLocation.IsEmpty() {
|
|
if _, err := objAPI.GetBucketInfo(ctx, r.OutputLocation.S3.BucketName); err != nil {
|
|
return err
|
|
}
|
|
if r.OutputLocation.S3.Prefix == "" {
|
|
return fmt.Errorf("Prefix is a required parameter in OutputLocation")
|
|
}
|
|
if r.OutputLocation.S3.Encryption.EncryptionType != xhttp.AmzEncryptionAES {
|
|
return NotImplemented{}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// set ObjectOptions for PUT call to restore temporary copy of transitioned data
|
|
func putRestoreOpts(bucket, object string, rreq *RestoreObjectRequest, objInfo ObjectInfo) (putOpts ObjectOptions) {
|
|
meta := make(map[string]string)
|
|
sc := rreq.OutputLocation.S3.StorageClass
|
|
if sc == "" {
|
|
sc = objInfo.StorageClass
|
|
}
|
|
meta[strings.ToLower(xhttp.AmzStorageClass)] = sc
|
|
|
|
if rreq.Type == SelectRestoreRequest {
|
|
for _, v := range rreq.OutputLocation.S3.UserMetadata {
|
|
if !strings.HasPrefix("x-amz-meta", strings.ToLower(v.Name)) {
|
|
meta["x-amz-meta-"+v.Name] = v.Value
|
|
continue
|
|
}
|
|
meta[v.Name] = v.Value
|
|
}
|
|
meta[xhttp.AmzObjectTagging] = rreq.OutputLocation.S3.Tagging.String()
|
|
if rreq.OutputLocation.S3.Encryption.EncryptionType != "" {
|
|
meta[xhttp.AmzServerSideEncryption] = xhttp.AmzEncryptionAES
|
|
}
|
|
return ObjectOptions{
|
|
Versioned: globalBucketVersioningSys.Enabled(bucket),
|
|
VersionSuspended: globalBucketVersioningSys.Suspended(bucket),
|
|
UserDefined: meta,
|
|
}
|
|
}
|
|
for k, v := range objInfo.UserDefined {
|
|
meta[k] = v
|
|
}
|
|
meta[xhttp.AmzObjectTagging] = objInfo.UserTags
|
|
|
|
return ObjectOptions{
|
|
Versioned: globalBucketVersioningSys.Enabled(bucket),
|
|
VersionSuspended: globalBucketVersioningSys.Suspended(bucket),
|
|
UserDefined: meta,
|
|
VersionID: objInfo.VersionID,
|
|
MTime: objInfo.ModTime,
|
|
Expires: objInfo.Expires,
|
|
}
|
|
}
|
|
|
|
var (
|
|
errRestoreHDRMissing = fmt.Errorf("x-amz-restore header not found")
|
|
errRestoreHDRMalformed = fmt.Errorf("x-amz-restore header malformed")
|
|
)
|
|
|
|
// parse x-amz-restore header from user metadata to get the status of ongoing request and expiry of restoration
|
|
// if any. This header value is of format: ongoing-request=true|false, expires=time
|
|
func parseRestoreHeaderFromMeta(meta map[string]string) (ongoing bool, expiry time.Time, err error) {
|
|
restoreHdr, ok := meta[xhttp.AmzRestore]
|
|
if !ok {
|
|
return ongoing, expiry, errRestoreHDRMissing
|
|
}
|
|
rslc := strings.SplitN(restoreHdr, ",", 2)
|
|
if len(rslc) != 2 {
|
|
return ongoing, expiry, errRestoreHDRMalformed
|
|
}
|
|
rstatusSlc := strings.SplitN(rslc[0], "=", 2)
|
|
if len(rstatusSlc) != 2 {
|
|
return ongoing, expiry, errRestoreHDRMalformed
|
|
}
|
|
rExpSlc := strings.SplitN(rslc[1], "=", 2)
|
|
if len(rExpSlc) != 2 {
|
|
return ongoing, expiry, errRestoreHDRMalformed
|
|
}
|
|
|
|
expiry, err = time.Parse(http.TimeFormat, rExpSlc[1])
|
|
if err != nil {
|
|
return
|
|
}
|
|
return rstatusSlc[1] == "true", expiry, nil
|
|
}
|
|
|
|
// restoreTransitionedObject is similar to PostObjectRestore from AWS GLACIER
|
|
// storage class. When PostObjectRestore API is called, a temporary copy of the object
|
|
// is restored locally to the bucket on source cluster until the restore expiry date.
|
|
// The copy that was transitioned continues to reside in the transitioned tier.
|
|
func restoreTransitionedObject(ctx context.Context, bucket, object string, objAPI ObjectLayer, objInfo ObjectInfo, rreq *RestoreObjectRequest, restoreExpiry time.Time) error {
|
|
var rs *HTTPRangeSpec
|
|
gr, err := getTransitionedObjectReader(ctx, bucket, object, rs, http.Header{}, objInfo, ObjectOptions{
|
|
VersionID: objInfo.VersionID})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer gr.Close()
|
|
hashReader, err := hash.NewReader(gr, objInfo.Size, "", "", objInfo.Size)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
pReader := NewPutObjReader(hashReader)
|
|
opts := putRestoreOpts(bucket, object, rreq, objInfo)
|
|
opts.UserDefined[xhttp.AmzRestore] = fmt.Sprintf("ongoing-request=%t, expiry-date=%s", false, restoreExpiry.Format(http.TimeFormat))
|
|
if _, err := objAPI.PutObject(ctx, bucket, object, pReader, opts); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|