mirror of https://github.com/minio/minio.git
3555 lines
110 KiB
Go
3555 lines
110 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"math/rand"
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"net/http"
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"os"
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"path"
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"sort"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/dustin/go-humanize"
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"github.com/klauspost/readahead"
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"github.com/minio/madmin-go"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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"github.com/minio/minio-go/v7/pkg/set"
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"github.com/minio/minio-go/v7/pkg/tags"
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"github.com/minio/minio/internal/bpool"
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"github.com/minio/minio/internal/bucket/lifecycle"
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"github.com/minio/minio/internal/bucket/object/lock"
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"github.com/minio/minio/internal/bucket/replication"
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"github.com/minio/minio/internal/crypto"
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"github.com/minio/minio/internal/event"
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"github.com/minio/minio/internal/hash"
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xhttp "github.com/minio/minio/internal/http"
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xioutil "github.com/minio/minio/internal/ioutil"
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"github.com/minio/minio/internal/logger"
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"github.com/minio/minio/internal/sync/errgroup"
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"github.com/minio/pkg/mimedb"
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)
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// erasureSingle - Implements single drive XL layer
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type erasureSingle struct {
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disk StorageAPI
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endpoint Endpoint
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// Locker mutex map.
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nsMutex *nsLockMap
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// Byte pools used for temporary i/o buffers.
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bp *bpool.BytePoolCap
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deletedCleanupSleeper *dynamicSleeper
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// Shut down async operations
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shutdown context.CancelFunc
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format *formatErasureV3
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}
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// Initialize new set of erasure coded sets.
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func newErasureSingle(ctx context.Context, storageDisk StorageAPI, format *formatErasureV3) (ObjectLayer, error) {
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// Number of buffers, max 2GB
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n := (2 * humanize.GiByte) / (blockSizeV2 * 2)
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// Initialize byte pool once for all sets, bpool size is set to
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// setCount * setDriveCount with each memory upto blockSizeV2.
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bp := bpool.NewBytePoolCap(n, blockSizeV2, blockSizeV2*2)
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// Initialize the erasure sets instance.
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s := &erasureSingle{
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disk: storageDisk,
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endpoint: storageDisk.Endpoint(),
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format: format,
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nsMutex: newNSLock(false),
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bp: bp,
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deletedCleanupSleeper: newDynamicSleeper(10, 2*time.Second, false),
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}
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// start cleanup stale uploads go-routine.
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go s.cleanupStaleUploads(ctx)
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// start cleanup of deleted objects.
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go s.cleanupDeletedObjects(ctx)
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ctx, s.shutdown = context.WithCancel(ctx)
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go intDataUpdateTracker.start(ctx, s.endpoint.Path)
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return s, nil
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}
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// List all buckets from one of the set, we are not doing merge
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// sort here just for simplification. As per design it is assumed
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// that all buckets are present on all sets.
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func (es *erasureSingle) ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
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var listBuckets []BucketInfo
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healBuckets := map[string]VolInfo{}
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// lists all unique buckets across drives.
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if err := listAllBuckets(ctx, []StorageAPI{es.disk}, healBuckets, 0); err != nil {
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return nil, err
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}
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// include deleted buckets in listBuckets output
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deletedBuckets := map[string]VolInfo{}
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if opts.Deleted {
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// lists all deleted buckets across drives.
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if err := listDeletedBuckets(ctx, []StorageAPI{es.disk}, deletedBuckets, 0); err != nil {
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return nil, err
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}
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}
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for _, v := range healBuckets {
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bi := BucketInfo{
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Name: v.Name,
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Created: v.Created,
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}
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if vi, ok := deletedBuckets[v.Name]; ok {
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bi.Deleted = vi.Created
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}
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listBuckets = append(listBuckets, bi)
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}
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for _, v := range deletedBuckets {
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if _, ok := healBuckets[v.Name]; !ok {
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listBuckets = append(listBuckets, BucketInfo{
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Name: v.Name,
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Deleted: v.Created,
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})
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}
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}
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sort.Slice(listBuckets, func(i, j int) bool {
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return listBuckets[i].Name < listBuckets[j].Name
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})
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for i := range listBuckets {
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meta, err := globalBucketMetadataSys.Get(listBuckets[i].Name)
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if err == nil {
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listBuckets[i].Created = meta.Created
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}
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}
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return listBuckets, nil
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}
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func (es *erasureSingle) cleanupStaleUploads(ctx context.Context) {
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timer := time.NewTimer(globalAPIConfig.getStaleUploadsCleanupInterval())
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defer timer.Stop()
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for {
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select {
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case <-ctx.Done():
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return
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case <-timer.C:
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es.cleanupStaleUploadsOnDisk(ctx, es.disk, globalAPIConfig.getStaleUploadsExpiry())
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// Reset for the next interval
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timer.Reset(globalAPIConfig.getStaleUploadsCleanupInterval())
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}
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}
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}
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// cleanup ".trash/" folder every 5m minutes with sufficient sleep cycles, between each
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// deletes a dynamic sleeper is used with a factor of 10 ratio with max delay between
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// deletes to be 2 seconds.
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func (es *erasureSingle) cleanupDeletedObjects(ctx context.Context) {
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timer := time.NewTimer(globalAPIConfig.getDeleteCleanupInterval())
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defer timer.Stop()
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for {
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select {
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case <-ctx.Done():
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return
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case <-timer.C:
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es.cleanupDeletedObjectsInner(ctx)
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// Reset for the next interval
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timer.Reset(globalAPIConfig.getDeleteCleanupInterval())
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}
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}
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}
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// NewNSLock - initialize a new namespace RWLocker instance.
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func (es *erasureSingle) NewNSLock(bucket string, objects ...string) RWLocker {
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return es.nsMutex.NewNSLock(nil, bucket, objects...)
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}
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// Shutdown function for object storage interface.
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func (es *erasureSingle) Shutdown(ctx context.Context) error {
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defer es.shutdown()
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// Add any object layer shutdown activities here.
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closeStorageDisks(es.disk)
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return nil
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}
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func (es *erasureSingle) SetDriveCounts() []int {
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return []int{1}
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}
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func (es *erasureSingle) BackendInfo() (b madmin.BackendInfo) {
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b.Type = madmin.Erasure
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scParity := 0
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rrSCParity := 0
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// Data blocks can vary per pool, but parity is same.
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for _, setDriveCount := range es.SetDriveCounts() {
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b.StandardSCData = append(b.StandardSCData, setDriveCount-scParity)
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b.RRSCData = append(b.RRSCData, setDriveCount-rrSCParity)
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}
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b.StandardSCParity = scParity
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b.RRSCParity = rrSCParity
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return
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}
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// StorageInfo - returns underlying storage statistics.
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func (es *erasureSingle) StorageInfo(ctx context.Context) (StorageInfo, []error) {
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disks := []StorageAPI{es.disk}
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endpoints := []Endpoint{es.endpoint}
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storageInfo, errs := getStorageInfo(disks, endpoints)
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storageInfo.Backend = es.BackendInfo()
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return storageInfo, errs
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}
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// LocalStorageInfo - returns underlying local storage statistics.
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func (es *erasureSingle) LocalStorageInfo(ctx context.Context) (StorageInfo, []error) {
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disks := []StorageAPI{es.disk}
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endpoints := []Endpoint{es.endpoint}
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var localDisks []StorageAPI
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var localEndpoints []Endpoint
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for i, endpoint := range endpoints {
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if endpoint.IsLocal {
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localDisks = append(localDisks, disks[i])
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localEndpoints = append(localEndpoints, endpoint)
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}
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}
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return getStorageInfo(localDisks, localEndpoints)
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}
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// Clean-up previously deleted objects. from .minio.sys/tmp/.trash/
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func (es *erasureSingle) cleanupDeletedObjectsInner(ctx context.Context) {
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diskPath := es.disk.Endpoint().Path
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readDirFn(pathJoin(diskPath, minioMetaTmpDeletedBucket), func(ddir string, typ os.FileMode) error {
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wait := es.deletedCleanupSleeper.Timer(ctx)
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removeAll(pathJoin(diskPath, minioMetaTmpDeletedBucket, ddir))
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wait()
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return nil
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})
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}
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func (es *erasureSingle) renameAll(ctx context.Context, bucket, prefix string) {
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if es.disk != nil {
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es.disk.RenameFile(ctx, bucket, prefix, minioMetaTmpDeletedBucket, mustGetUUID())
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}
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}
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type renameAllStorager interface {
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renameAll(ctx context.Context, bucket, prefix string)
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}
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// Bucket operations
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// MakeBucket - make a bucket.
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func (es *erasureSingle) MakeBucketWithLocation(ctx context.Context, bucket string, opts MakeBucketOptions) error {
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defer NSUpdated(bucket, slashSeparator)
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// Lock the bucket name before creating.
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lk := es.NewNSLock(minioMetaTmpBucket, bucket+".lck")
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lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
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if err != nil {
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return err
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}
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ctx = lkctx.Context()
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defer lk.Unlock(lkctx.Cancel)
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// Verify if bucket is valid.
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if !isMinioMetaBucketName(bucket) {
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if err := s3utils.CheckValidBucketNameStrict(bucket); err != nil {
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return BucketNameInvalid{Bucket: bucket}
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}
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}
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if err := es.disk.MakeVol(ctx, bucket); err != nil {
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if opts.ForceCreate && errors.Is(err, errVolumeExists) {
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// No need to return error when force create was
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// requested.
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return nil
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}
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if !errors.Is(err, errVolumeExists) {
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logger.LogIf(ctx, err)
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}
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return toObjectErr(err, bucket)
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}
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// If it doesn't exist we get a new, so ignore errors
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meta := newBucketMetadata(bucket)
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meta.SetCreatedAt(opts.CreatedAt)
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if opts.LockEnabled {
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meta.VersioningConfigXML = enabledBucketVersioningConfig
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meta.ObjectLockConfigXML = enabledBucketObjectLockConfig
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}
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if opts.VersioningEnabled {
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meta.VersioningConfigXML = enabledBucketVersioningConfig
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}
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if err := meta.Save(context.Background(), es); err != nil {
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return toObjectErr(err, bucket)
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}
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globalBucketMetadataSys.Set(bucket, meta)
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return nil
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}
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// GetBucketInfo - returns BucketInfo for a bucket.
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func (es *erasureSingle) GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (bi BucketInfo, e error) {
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volInfo, err := es.disk.StatVol(ctx, bucket)
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if err != nil {
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if opts.Deleted {
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if dvi, derr := es.disk.StatVol(ctx, pathJoin(minioMetaBucket, bucketMetaPrefix, deletedBucketsPrefix, bucket)); derr == nil {
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return BucketInfo{Name: bucket, Deleted: dvi.Created}, nil
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}
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}
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return bi, toObjectErr(err, bucket)
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}
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bi = BucketInfo{Name: volInfo.Name, Created: volInfo.Created}
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meta, err := globalBucketMetadataSys.Get(bucket)
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if err == nil {
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bi.Created = meta.Created
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bi.Versioning = meta.LockEnabled || globalBucketVersioningSys.Enabled(bucket)
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bi.ObjectLocking = meta.LockEnabled
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}
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return bi, nil
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}
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// DeleteBucket - deletes a bucket.
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func (es *erasureSingle) DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error {
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// Collect if all disks report volume not found.
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defer NSUpdated(bucket, slashSeparator)
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err := es.disk.DeleteVol(ctx, bucket, opts.Force)
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// Purge the entire bucket metadata entirely.
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deleteBucketMetadata(ctx, es, bucket)
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globalBucketMetadataSys.Remove(bucket)
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if err == nil || errors.Is(err, errVolumeNotFound) {
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if opts.SRDeleteOp == MarkDelete {
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es.markDelete(ctx, minioMetaBucket, pathJoin(bucketMetaPrefix, deletedBucketsPrefix, bucket))
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}
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}
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return toObjectErr(err, bucket)
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}
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// markDelete creates a vol entry in .minio.sys/buckets/.deleted until site replication
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// syncs the delete to peers
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func (es *erasureSingle) markDelete(ctx context.Context, bucket, prefix string) error {
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err := es.disk.MakeVol(ctx, pathJoin(bucket, prefix))
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if err != nil && errors.Is(err, errVolumeExists) {
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return nil
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}
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return toObjectErr(err, bucket)
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}
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// purgeDelete deletes vol entry in .minio.sys/buckets/.deleted after site replication
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// syncs the delete to peers OR on a new MakeBucket call.
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func (es *erasureSingle) purgeDelete(ctx context.Context, bucket, prefix string) error {
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err := es.disk.DeleteVol(ctx, pathJoin(bucket, prefix), true)
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return toObjectErr(err, bucket)
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}
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// IsNotificationSupported returns whether bucket notification is applicable for this layer.
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func (es *erasureSingle) IsNotificationSupported() bool {
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return true
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}
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// IsListenSupported returns whether listen bucket notification is applicable for this layer.
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func (es *erasureSingle) IsListenSupported() bool {
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return true
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}
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// IsEncryptionSupported returns whether server side encryption is implemented for this layer.
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func (es *erasureSingle) IsEncryptionSupported() bool {
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return true
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}
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// IsCompressionSupported returns whether compression is applicable for this layer.
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func (es *erasureSingle) IsCompressionSupported() bool {
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return true
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}
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// IsTaggingSupported indicates whethes *erasureSingle implements tagging support.
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func (es *erasureSingle) IsTaggingSupported() bool {
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return true
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}
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// Object Operations
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// CopyObject - copy object source object to destination object.
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// if source object and destination object are same we only
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// update metadata.
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func (es *erasureSingle) CopyObject(ctx context.Context, srcBucket, srcObject, dstBucket, dstObject string, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (oi ObjectInfo, err error) {
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defer NSUpdated(dstBucket, dstObject)
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srcObject = encodeDirObject(srcObject)
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dstObject = encodeDirObject(dstObject)
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cpSrcDstSame := isStringEqual(pathJoin(srcBucket, srcObject), pathJoin(dstBucket, dstObject))
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if !dstOpts.NoLock {
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ns := es.NewNSLock(dstBucket, dstObject)
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lkctx, err := ns.GetLock(ctx, globalOperationTimeout)
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if err != nil {
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return ObjectInfo{}, err
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}
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ctx = lkctx.Context()
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defer ns.Unlock(lkctx.Cancel)
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dstOpts.NoLock = true
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}
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if cpSrcDstSame && srcInfo.metadataOnly {
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// Read metadata associated with the object from all disks.
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storageDisks := []StorageAPI{es.disk}
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var metaArr []FileInfo
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var errs []error
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// Read metadata associated with the object from all disks.
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if srcOpts.VersionID != "" {
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metaArr, errs = readAllFileInfo(ctx, storageDisks, srcBucket, srcObject, srcOpts.VersionID, true)
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} else {
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metaArr, errs = readAllXL(ctx, storageDisks, srcBucket, srcObject, true)
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}
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readQuorum, writeQuorum, err := objectQuorumFromMeta(ctx, metaArr, errs, 0)
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if err != nil {
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return ObjectInfo{}, toObjectErr(err, srcBucket, srcObject)
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}
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// List all online disks.
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onlineDisks, modTime := listOnlineDisks(storageDisks, metaArr, errs)
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// Pick latest valid metadata.
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fi, err := pickValidFileInfo(ctx, metaArr, modTime, readQuorum)
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if err != nil {
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return oi, toObjectErr(err, srcBucket, srcObject)
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}
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if fi.Deleted {
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if srcOpts.VersionID == "" {
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return oi, toObjectErr(errFileNotFound, srcBucket, srcObject)
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}
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return fi.ToObjectInfo(srcBucket, srcObject, srcOpts.Versioned || srcOpts.VersionSuspended), toObjectErr(errMethodNotAllowed, srcBucket, srcObject)
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}
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filterOnlineDisksInplace(fi, metaArr, onlineDisks)
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versionID := srcInfo.VersionID
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if srcInfo.versionOnly {
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versionID = dstOpts.VersionID
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// preserve destination versionId if specified.
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if versionID == "" {
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versionID = mustGetUUID()
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fi.IsLatest = true // we are creating a new version so this is latest.
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}
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modTime = UTCNow()
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}
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// If the data is not inlined, we may end up incorrectly
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// inlining the data here, that leads to an inconsistent
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// situation where some objects are were not inlined
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// were now inlined, make sure to `nil` the Data such
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// that xl.meta is written as expected.
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if !fi.InlineData() {
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fi.Data = nil
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}
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fi.VersionID = versionID // set any new versionID we might have created
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fi.ModTime = modTime // set modTime for the new versionID
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if !dstOpts.MTime.IsZero() {
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modTime = dstOpts.MTime
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fi.ModTime = dstOpts.MTime
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}
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fi.Metadata = srcInfo.UserDefined
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srcInfo.UserDefined["etag"] = srcInfo.ETag
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// Update `xl.meta` content on each disks.
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for index := range metaArr {
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if metaArr[index].IsValid() {
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metaArr[index].ModTime = modTime
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metaArr[index].VersionID = versionID
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metaArr[index].Metadata = srcInfo.UserDefined
|
|
if !metaArr[index].InlineData() {
|
|
// If the data is not inlined, we may end up incorrectly
|
|
// inlining the data here, that leads to an inconsistent
|
|
// situation where some objects are were not inlined
|
|
// were now inlined, make sure to `nil` the Data such
|
|
// that xl.meta is written as expected.
|
|
metaArr[index].Data = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
// Write unique `xl.meta` for each disk.
|
|
if _, err = writeUniqueFileInfo(ctx, onlineDisks, srcBucket, srcObject, metaArr, writeQuorum); err != nil {
|
|
return oi, toObjectErr(err, srcBucket, srcObject)
|
|
}
|
|
|
|
return fi.ToObjectInfo(srcBucket, srcObject, srcOpts.Versioned || srcOpts.VersionSuspended), nil
|
|
}
|
|
|
|
putOpts := ObjectOptions{
|
|
ServerSideEncryption: dstOpts.ServerSideEncryption,
|
|
UserDefined: srcInfo.UserDefined,
|
|
Versioned: dstOpts.Versioned,
|
|
VersionID: dstOpts.VersionID,
|
|
MTime: dstOpts.MTime,
|
|
NoLock: true,
|
|
}
|
|
|
|
return es.PutObject(ctx, dstBucket, dstObject, srcInfo.PutObjReader, putOpts)
|
|
}
|
|
|
|
// GetObjectNInfo - returns object info and an object
|
|
// Read(Closer). When err != nil, the returned reader is always nil.
|
|
func (es *erasureSingle) GetObjectNInfo(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, lockType LockType, opts ObjectOptions) (gr *GetObjectReader, err error) {
|
|
if err = checkGetObjArgs(ctx, bucket, object); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
object = encodeDirObject(object)
|
|
|
|
var unlockOnDefer bool
|
|
nsUnlocker := func() {}
|
|
defer func() {
|
|
if unlockOnDefer {
|
|
nsUnlocker()
|
|
}
|
|
}()
|
|
|
|
// Acquire lock
|
|
if lockType != noLock {
|
|
lock := es.NewNSLock(bucket, object)
|
|
switch lockType {
|
|
case writeLock:
|
|
lkctx, err := lock.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
nsUnlocker = func() { lock.Unlock(lkctx.Cancel) }
|
|
case readLock:
|
|
lkctx, err := lock.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
nsUnlocker = func() { lock.RUnlock(lkctx.Cancel) }
|
|
}
|
|
unlockOnDefer = true
|
|
}
|
|
|
|
fi, metaArr, onlineDisks, err := es.getObjectFileInfo(ctx, bucket, object, opts, true)
|
|
if err != nil {
|
|
return nil, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
objInfo := fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
if objInfo.DeleteMarker {
|
|
if opts.VersionID == "" {
|
|
return &GetObjectReader{
|
|
ObjInfo: objInfo,
|
|
}, toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
// Make sure to return object info to provide extra information.
|
|
return &GetObjectReader{
|
|
ObjInfo: objInfo,
|
|
}, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
if objInfo.IsRemote() {
|
|
gr, err := getTransitionedObjectReader(ctx, bucket, object, rs, h, objInfo, opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
unlockOnDefer = false
|
|
return gr.WithCleanupFuncs(nsUnlocker), nil
|
|
}
|
|
|
|
fn, off, length, err := NewGetObjectReader(rs, objInfo, opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
unlockOnDefer = false
|
|
|
|
pr, pw := xioutil.WaitPipe()
|
|
go func() {
|
|
pw.CloseWithError(es.getObjectWithFileInfo(ctx, bucket, object, off, length, pw, fi, metaArr, onlineDisks))
|
|
}()
|
|
|
|
// Cleanup function to cause the go routine above to exit, in
|
|
// case of incomplete read.
|
|
pipeCloser := func() {
|
|
pr.CloseWithError(nil)
|
|
}
|
|
|
|
return fn(pr, h, pipeCloser, nsUnlocker)
|
|
}
|
|
|
|
func (es *erasureSingle) getObjectWithFileInfo(ctx context.Context, bucket, object string, startOffset int64, length int64, writer io.Writer, fi FileInfo, metaArr []FileInfo, onlineDisks []StorageAPI) error {
|
|
// Reorder online disks based on erasure distribution ordes.
|
|
// Reorder parts metadata based on erasure distribution ordes.
|
|
onlineDisks, metaArr = shuffleDisksAndPartsMetadataByIndex(onlineDisks, metaArr, fi)
|
|
|
|
// For negative length read everything.
|
|
if length < 0 {
|
|
length = fi.Size - startOffset
|
|
}
|
|
|
|
// Reply back invalid range if the input offset and length fall out of range.
|
|
if startOffset > fi.Size || startOffset+length > fi.Size {
|
|
logger.LogIf(ctx, InvalidRange{startOffset, length, fi.Size}, logger.Application)
|
|
return InvalidRange{startOffset, length, fi.Size}
|
|
}
|
|
|
|
// Get start part index and offset.
|
|
partIndex, partOffset, err := fi.ObjectToPartOffset(ctx, startOffset)
|
|
if err != nil {
|
|
return InvalidRange{startOffset, length, fi.Size}
|
|
}
|
|
|
|
// Calculate endOffset according to length
|
|
endOffset := startOffset
|
|
if length > 0 {
|
|
endOffset += length - 1
|
|
}
|
|
|
|
// Get last part index to read given length.
|
|
lastPartIndex, _, err := fi.ObjectToPartOffset(ctx, endOffset)
|
|
if err != nil {
|
|
return InvalidRange{startOffset, length, fi.Size}
|
|
}
|
|
|
|
var totalBytesRead int64
|
|
erasure, err := NewErasure(ctx, fi.Erasure.DataBlocks, fi.Erasure.ParityBlocks, fi.Erasure.BlockSize)
|
|
if err != nil {
|
|
return toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// once we have obtained a common FileInfo i.e latest, we should stick
|
|
// to single dataDir to read the content to avoid reading from some other
|
|
// dataDir that has stale FileInfo{} to ensure that we fail appropriately
|
|
// during reads and expect the same dataDir everywhere.
|
|
dataDir := fi.DataDir
|
|
for ; partIndex <= lastPartIndex; partIndex++ {
|
|
if length == totalBytesRead {
|
|
break
|
|
}
|
|
|
|
partNumber := fi.Parts[partIndex].Number
|
|
|
|
// Save the current part name and size.
|
|
partSize := fi.Parts[partIndex].Size
|
|
|
|
partLength := partSize - partOffset
|
|
// partLength should be adjusted so that we don't write more data than what was requested.
|
|
if partLength > (length - totalBytesRead) {
|
|
partLength = length - totalBytesRead
|
|
}
|
|
|
|
tillOffset := erasure.ShardFileOffset(partOffset, partLength, partSize)
|
|
// Get the checksums of the current part.
|
|
readers := make([]io.ReaderAt, len(onlineDisks))
|
|
prefer := make([]bool, len(onlineDisks))
|
|
for index, disk := range onlineDisks {
|
|
if disk == OfflineDisk {
|
|
continue
|
|
}
|
|
if !metaArr[index].IsValid() {
|
|
continue
|
|
}
|
|
checksumInfo := metaArr[index].Erasure.GetChecksumInfo(partNumber)
|
|
partPath := pathJoin(object, dataDir, fmt.Sprintf("part.%d", partNumber))
|
|
readers[index] = newBitrotReader(disk, metaArr[index].Data, bucket, partPath, tillOffset,
|
|
checksumInfo.Algorithm, checksumInfo.Hash, erasure.ShardSize())
|
|
|
|
// Prefer local disks
|
|
prefer[index] = disk.Hostname() == ""
|
|
}
|
|
|
|
_, err = erasure.Decode(ctx, writer, readers, partOffset, partLength, partSize, prefer)
|
|
// Note: we should not be defer'ing the following closeBitrotReaders() call as
|
|
// we are inside a for loop i.e if we use defer, we would accumulate a lot of open files by the time
|
|
// we return from this function.
|
|
closeBitrotReaders(readers)
|
|
if err != nil {
|
|
return toObjectErr(err, bucket, object)
|
|
}
|
|
for i, r := range readers {
|
|
if r == nil {
|
|
onlineDisks[i] = OfflineDisk
|
|
}
|
|
}
|
|
// Track total bytes read from disk and written to the client.
|
|
totalBytesRead += partLength
|
|
// partOffset will be valid only for the first part, hence reset it to 0 for
|
|
// the remaining parts.
|
|
partOffset = 0
|
|
} // End of read all parts loop.
|
|
// Return success.
|
|
return nil
|
|
}
|
|
|
|
// GetObjectInfo - reads object metadata and replies back ObjectInfo.
|
|
func (es *erasureSingle) GetObjectInfo(ctx context.Context, bucket, object string, opts ObjectOptions) (info ObjectInfo, err error) {
|
|
if err = checkGetObjArgs(ctx, bucket, object); err != nil {
|
|
return info, err
|
|
}
|
|
|
|
object = encodeDirObject(object)
|
|
if !opts.NoLock {
|
|
// Lock the object before reading.
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.RUnlock(lkctx.Cancel)
|
|
}
|
|
|
|
return es.getObjectInfo(ctx, bucket, object, opts)
|
|
}
|
|
|
|
func (es *erasureSingle) getObjectFileInfo(ctx context.Context, bucket, object string, opts ObjectOptions, readData bool) (fi FileInfo, metaArr []FileInfo, onlineDisks []StorageAPI, err error) {
|
|
disks := []StorageAPI{es.disk}
|
|
|
|
var errs []error
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
metaArr, errs = readAllFileInfo(ctx, disks, bucket, object, opts.VersionID, readData)
|
|
readQuorum, _, err := objectQuorumFromMeta(ctx, metaArr, errs, 0)
|
|
if err != nil {
|
|
return fi, nil, nil, toObjectErr(err, bucket, object)
|
|
}
|
|
if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
|
|
return fi, nil, nil, toObjectErr(reducedErr, bucket, object)
|
|
}
|
|
|
|
// List all online disks.
|
|
onlineDisks, modTime := listOnlineDisks(disks, metaArr, errs)
|
|
|
|
// Pick latest valid metadata.
|
|
fi, err = pickValidFileInfo(ctx, metaArr, modTime, readQuorum)
|
|
if err != nil {
|
|
return fi, nil, nil, err
|
|
}
|
|
|
|
filterOnlineDisksInplace(fi, metaArr, onlineDisks)
|
|
return fi, metaArr, onlineDisks, nil
|
|
}
|
|
|
|
// getObjectInfo - wrapper for reading object metadata and constructs ObjectInfo.
|
|
func (es *erasureSingle) getObjectInfo(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
|
|
fi, _, _, err := es.getObjectFileInfo(ctx, bucket, object, opts, false)
|
|
if err != nil {
|
|
return objInfo, toObjectErr(err, bucket, object)
|
|
}
|
|
objInfo = fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
if fi.Deleted {
|
|
if opts.VersionID == "" || opts.DeleteMarker {
|
|
return objInfo, toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
// Make sure to return object info to provide extra information.
|
|
return objInfo, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
|
|
return objInfo, nil
|
|
}
|
|
|
|
// getObjectInfoAndQuroum - wrapper for reading object metadata and constructs ObjectInfo, additionally returns write quorum for the object.
|
|
func (es *erasureSingle) getObjectInfoAndQuorum(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, wquorum int, err error) {
|
|
fi, _, _, err := es.getObjectFileInfo(ctx, bucket, object, opts, false)
|
|
if err != nil {
|
|
return objInfo, 1, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
wquorum = fi.WriteQuorum(1)
|
|
|
|
objInfo = fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
if !fi.VersionPurgeStatus().Empty() && opts.VersionID != "" {
|
|
// Make sure to return object info to provide extra information.
|
|
return objInfo, wquorum, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
|
|
if fi.Deleted {
|
|
if opts.VersionID == "" || opts.DeleteMarker {
|
|
return objInfo, wquorum, toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
// Make sure to return object info to provide extra information.
|
|
return objInfo, wquorum, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
|
|
return objInfo, wquorum, nil
|
|
}
|
|
|
|
func (es *erasureSingle) putMetacacheObject(ctx context.Context, key string, r *PutObjReader, opts ObjectOptions) (objInfo ObjectInfo, err error) {
|
|
data := r.Reader
|
|
|
|
// No metadata is set, allocate a new one.
|
|
if opts.UserDefined == nil {
|
|
opts.UserDefined = make(map[string]string)
|
|
}
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
// Get parity and data drive count based on storage class metadata
|
|
parityDrives := 0
|
|
dataDrives := len(storageDisks) - parityDrives
|
|
|
|
// we now know the number of blocks this object needs for data and parity.
|
|
// writeQuorum is dataBlocks + 1
|
|
writeQuorum := dataDrives
|
|
if dataDrives == parityDrives {
|
|
writeQuorum++
|
|
}
|
|
|
|
// Validate input data size and it can never be less than zero.
|
|
if data.Size() < -1 {
|
|
logger.LogIf(ctx, errInvalidArgument, logger.Application)
|
|
return ObjectInfo{}, toObjectErr(errInvalidArgument)
|
|
}
|
|
|
|
// Initialize parts metadata
|
|
partsMetadata := make([]FileInfo, len(storageDisks))
|
|
|
|
fi := newFileInfo(pathJoin(minioMetaBucket, key), dataDrives, parityDrives)
|
|
fi.DataDir = mustGetUUID()
|
|
|
|
// Initialize erasure metadata.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index] = fi
|
|
}
|
|
|
|
// Order disks according to erasure distribution
|
|
var onlineDisks []StorageAPI
|
|
onlineDisks, partsMetadata = shuffleDisksAndPartsMetadata(storageDisks, partsMetadata, fi)
|
|
|
|
erasure, err := NewErasure(ctx, fi.Erasure.DataBlocks, fi.Erasure.ParityBlocks, fi.Erasure.BlockSize)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, minioMetaBucket, key)
|
|
}
|
|
|
|
// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
|
|
var buffer []byte
|
|
switch size := data.Size(); {
|
|
case size == 0:
|
|
buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
|
|
case size >= fi.Erasure.BlockSize:
|
|
buffer = es.bp.Get()
|
|
defer es.bp.Put(buffer)
|
|
case size < fi.Erasure.BlockSize:
|
|
// No need to allocate fully blockSizeV1 buffer if the incoming data is smaller.
|
|
buffer = make([]byte, size, 2*size+int64(fi.Erasure.ParityBlocks+fi.Erasure.DataBlocks-1))
|
|
}
|
|
|
|
if len(buffer) > int(fi.Erasure.BlockSize) {
|
|
buffer = buffer[:fi.Erasure.BlockSize]
|
|
}
|
|
|
|
shardFileSize := erasure.ShardFileSize(data.Size())
|
|
writers := make([]io.Writer, len(onlineDisks))
|
|
inlineBuffers := make([]*bytes.Buffer, len(onlineDisks))
|
|
for i, disk := range onlineDisks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
if disk.IsOnline() {
|
|
inlineBuffers[i] = bytes.NewBuffer(make([]byte, 0, shardFileSize))
|
|
writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
}
|
|
|
|
n, erasureErr := erasure.Encode(ctx, data, writers, buffer, writeQuorum)
|
|
closeBitrotWriters(writers)
|
|
if erasureErr != nil {
|
|
return ObjectInfo{}, toObjectErr(erasureErr, minioMetaBucket, key)
|
|
}
|
|
|
|
// Should return IncompleteBody{} error when reader has fewer bytes
|
|
// than specified in request header.
|
|
if n < data.Size() {
|
|
return ObjectInfo{}, IncompleteBody{Bucket: minioMetaBucket, Object: key}
|
|
}
|
|
|
|
var index []byte
|
|
if opts.IndexCB != nil {
|
|
index = opts.IndexCB()
|
|
}
|
|
|
|
modTime := UTCNow()
|
|
|
|
for i, w := range writers {
|
|
if w == nil {
|
|
// Make sure to avoid writing to disks which we couldn't complete in erasure.Encode()
|
|
onlineDisks[i] = nil
|
|
continue
|
|
}
|
|
partsMetadata[i].Data = inlineBuffers[i].Bytes()
|
|
partsMetadata[i].AddObjectPart(1, "", n, data.ActualSize(), modTime, index, nil)
|
|
partsMetadata[i].Erasure.AddChecksumInfo(ChecksumInfo{
|
|
PartNumber: 1,
|
|
Algorithm: DefaultBitrotAlgorithm,
|
|
Hash: bitrotWriterSum(w),
|
|
})
|
|
}
|
|
|
|
// Fill all the necessary metadata.
|
|
// Update `xl.meta` content on each disks.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index].Size = n
|
|
partsMetadata[index].Fresh = true
|
|
partsMetadata[index].ModTime = modTime
|
|
partsMetadata[index].Metadata = opts.UserDefined
|
|
}
|
|
|
|
// Set an additional header when data is inlined.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index].SetInlineData()
|
|
}
|
|
|
|
for i := 0; i < len(onlineDisks); i++ {
|
|
if onlineDisks[i] != nil && onlineDisks[i].IsOnline() {
|
|
// Object info is the same in all disks, so we can pick
|
|
// the first meta from online disk
|
|
fi = partsMetadata[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
if _, err = writeUniqueFileInfo(ctx, onlineDisks, minioMetaBucket, key, partsMetadata, writeQuorum); err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, minioMetaBucket, key)
|
|
}
|
|
|
|
return fi.ToObjectInfo(minioMetaBucket, key, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
|
|
// PutObject - creates an object upon reading from the input stream
|
|
// until EOF, erasure codes the data across all disk and additionally
|
|
// writes `xl.meta` which carries the necessary metadata for future
|
|
// object operations.
|
|
func (es *erasureSingle) PutObject(ctx context.Context, bucket string, object string, data *PutObjReader, opts ObjectOptions) (objInfo ObjectInfo, err error) {
|
|
// Validate put object input args.
|
|
if err := checkPutObjectArgs(ctx, bucket, object, es); err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
|
|
object = encodeDirObject(object)
|
|
|
|
if !isMinioMetaBucketName(bucket) && !hasSpaceFor(getDiskInfos(ctx, es.disk), data.Size()) {
|
|
return ObjectInfo{}, toObjectErr(errDiskFull)
|
|
}
|
|
|
|
return es.putObject(ctx, bucket, object, data, opts)
|
|
}
|
|
|
|
// putObject wrapper for erasureObjects PutObject
|
|
func (es *erasureSingle) putObject(ctx context.Context, bucket string, object string, r *PutObjReader, opts ObjectOptions) (objInfo ObjectInfo, err error) {
|
|
data := r.Reader
|
|
|
|
// No metadata is set, allocate a new one.
|
|
if opts.UserDefined == nil {
|
|
opts.UserDefined = make(map[string]string)
|
|
}
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
parityDrives := 0
|
|
dataDrives := len(storageDisks) - parityDrives
|
|
|
|
// we now know the number of blocks this object needs for data and parity.
|
|
// writeQuorum is dataBlocks + 1
|
|
writeQuorum := dataDrives
|
|
if dataDrives == parityDrives {
|
|
writeQuorum++
|
|
}
|
|
|
|
// Validate input data size and it can never be less than zero.
|
|
if data.Size() < -1 {
|
|
logger.LogIf(ctx, errInvalidArgument, logger.Application)
|
|
return ObjectInfo{}, toObjectErr(errInvalidArgument)
|
|
}
|
|
|
|
// Initialize parts metadata
|
|
partsMetadata := make([]FileInfo, len(storageDisks))
|
|
|
|
fi := newFileInfo(pathJoin(bucket, object), dataDrives, parityDrives)
|
|
fi.VersionID = opts.VersionID
|
|
if opts.Versioned && fi.VersionID == "" {
|
|
fi.VersionID = mustGetUUID()
|
|
}
|
|
|
|
fi.DataDir = mustGetUUID()
|
|
fi.Checksum = opts.WantChecksum.AppendTo(nil)
|
|
if opts.EncryptFn != nil {
|
|
fi.Checksum = opts.EncryptFn("object-checksum", fi.Checksum)
|
|
}
|
|
|
|
uniqueID := mustGetUUID()
|
|
tempObj := uniqueID
|
|
|
|
// Initialize erasure metadata.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index] = fi
|
|
}
|
|
|
|
// Order disks according to erasure distribution
|
|
var onlineDisks []StorageAPI
|
|
onlineDisks, partsMetadata = shuffleDisksAndPartsMetadata(storageDisks, partsMetadata, fi)
|
|
|
|
erasure, err := NewErasure(ctx, fi.Erasure.DataBlocks, fi.Erasure.ParityBlocks, fi.Erasure.BlockSize)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
|
|
var buffer []byte
|
|
switch size := data.Size(); {
|
|
case size == 0:
|
|
buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
|
|
case size == -1:
|
|
if size := data.ActualSize(); size > 0 && size < fi.Erasure.BlockSize {
|
|
buffer = make([]byte, data.ActualSize()+256, data.ActualSize()*2+512)
|
|
} else {
|
|
buffer = es.bp.Get()
|
|
defer es.bp.Put(buffer)
|
|
}
|
|
case size >= fi.Erasure.BlockSize:
|
|
buffer = es.bp.Get()
|
|
defer es.bp.Put(buffer)
|
|
case size < fi.Erasure.BlockSize:
|
|
// No need to allocate fully blockSizeV1 buffer if the incoming data is smaller.
|
|
buffer = make([]byte, size, 2*size+int64(fi.Erasure.ParityBlocks+fi.Erasure.DataBlocks-1))
|
|
}
|
|
|
|
if len(buffer) > int(fi.Erasure.BlockSize) {
|
|
buffer = buffer[:fi.Erasure.BlockSize]
|
|
}
|
|
|
|
partName := "part.1"
|
|
tempErasureObj := pathJoin(uniqueID, fi.DataDir, partName)
|
|
|
|
// Delete temporary object in the event of failure.
|
|
// If PutObject succeeded there would be no temporary
|
|
// object to delete.
|
|
var online int
|
|
defer func() {
|
|
if online != len(onlineDisks) {
|
|
es.disk.RenameFile(context.Background(), minioMetaTmpBucket, tempObj, minioMetaTmpDeletedBucket, mustGetUUID())
|
|
}
|
|
}()
|
|
|
|
shardFileSize := erasure.ShardFileSize(data.Size())
|
|
writers := make([]io.Writer, len(onlineDisks))
|
|
var inlineBuffers []*bytes.Buffer
|
|
if shardFileSize >= 0 {
|
|
if !opts.Versioned && shardFileSize < smallFileThreshold {
|
|
inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
|
|
} else if shardFileSize < smallFileThreshold/8 {
|
|
inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
|
|
}
|
|
} else {
|
|
// If compressed, use actual size to determine.
|
|
if sz := erasure.ShardFileSize(data.ActualSize()); sz > 0 {
|
|
if !opts.Versioned && sz < smallFileThreshold {
|
|
inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
|
|
} else if sz < smallFileThreshold/8 {
|
|
inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
|
|
}
|
|
}
|
|
}
|
|
for i, disk := range onlineDisks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
|
|
if !disk.IsOnline() {
|
|
continue
|
|
}
|
|
|
|
if len(inlineBuffers) > 0 {
|
|
sz := shardFileSize
|
|
if sz < 0 {
|
|
sz = data.ActualSize()
|
|
}
|
|
inlineBuffers[i] = bytes.NewBuffer(make([]byte, 0, sz))
|
|
writers[i] = newStreamingBitrotWriterBuffer(inlineBuffers[i], DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
continue
|
|
}
|
|
|
|
writers[i] = newBitrotWriter(disk, minioMetaTmpBucket, tempErasureObj, shardFileSize, DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
|
|
toEncode := io.Reader(data)
|
|
if data.Size() > bigFileThreshold {
|
|
// We use 2 buffers, so we always have a full buffer of input.
|
|
bufA := es.bp.Get()
|
|
bufB := es.bp.Get()
|
|
defer es.bp.Put(bufA)
|
|
defer es.bp.Put(bufB)
|
|
ra, err := readahead.NewReaderBuffer(data, [][]byte{bufA[:fi.Erasure.BlockSize], bufB[:fi.Erasure.BlockSize]})
|
|
if err == nil {
|
|
toEncode = ra
|
|
defer ra.Close()
|
|
}
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
n, erasureErr := erasure.Encode(ctx, toEncode, writers, buffer, writeQuorum)
|
|
closeBitrotWriters(writers)
|
|
if erasureErr != nil {
|
|
return ObjectInfo{}, toObjectErr(erasureErr, minioMetaTmpBucket, tempErasureObj)
|
|
}
|
|
|
|
// Should return IncompleteBody{} error when reader has fewer bytes
|
|
// than specified in request header.
|
|
if n < data.Size() {
|
|
return ObjectInfo{}, IncompleteBody{Bucket: bucket, Object: object}
|
|
}
|
|
|
|
if !opts.NoLock {
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
}
|
|
|
|
var index []byte
|
|
if opts.IndexCB != nil {
|
|
index = opts.IndexCB()
|
|
}
|
|
|
|
modTime := opts.MTime
|
|
if opts.MTime.IsZero() {
|
|
modTime = UTCNow()
|
|
}
|
|
|
|
for i, w := range writers {
|
|
if w == nil {
|
|
onlineDisks[i] = nil
|
|
continue
|
|
}
|
|
if len(inlineBuffers) > 0 && inlineBuffers[i] != nil {
|
|
partsMetadata[i].Data = inlineBuffers[i].Bytes()
|
|
} else {
|
|
partsMetadata[i].Data = nil
|
|
}
|
|
partsMetadata[i].AddObjectPart(1, "", n, data.ActualSize(), modTime, index, nil)
|
|
partsMetadata[i].Erasure.AddChecksumInfo(ChecksumInfo{
|
|
PartNumber: 1,
|
|
Algorithm: DefaultBitrotAlgorithm,
|
|
Hash: bitrotWriterSum(w),
|
|
})
|
|
}
|
|
if opts.UserDefined["etag"] == "" {
|
|
opts.UserDefined["etag"] = r.MD5CurrentHexString()
|
|
}
|
|
|
|
// Guess content-type from the extension if possible.
|
|
if opts.UserDefined["content-type"] == "" {
|
|
opts.UserDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
|
|
}
|
|
|
|
// Fill all the necessary metadata.
|
|
// Update `xl.meta` content on each disks.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index].Metadata = opts.UserDefined
|
|
partsMetadata[index].Size = n
|
|
partsMetadata[index].ModTime = modTime
|
|
}
|
|
|
|
if len(inlineBuffers) > 0 {
|
|
// Set an additional header when data is inlined.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index].SetInlineData()
|
|
}
|
|
}
|
|
|
|
// Rename the successfully written temporary object to final location.
|
|
if onlineDisks, err = renameData(ctx, onlineDisks, minioMetaTmpBucket, tempObj, partsMetadata, bucket, object, writeQuorum); err != nil {
|
|
if errors.Is(err, errFileNotFound) {
|
|
return ObjectInfo{}, toObjectErr(errErasureWriteQuorum, bucket, object)
|
|
}
|
|
logger.LogIf(ctx, err)
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
defer NSUpdated(bucket, object)
|
|
|
|
for i := 0; i < len(onlineDisks); i++ {
|
|
if onlineDisks[i] != nil && onlineDisks[i].IsOnline() {
|
|
// Object info is the same in all disks, so we can pick
|
|
// the first meta from online disk
|
|
fi = partsMetadata[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
fi.ReplicationState = opts.PutReplicationState()
|
|
online = countOnlineDisks(onlineDisks)
|
|
|
|
// we are adding a new version to this object under the namespace lock, so this is the latest version.
|
|
fi.IsLatest = true
|
|
|
|
return fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
|
|
func (es *erasureSingle) deleteObjectVersion(ctx context.Context, bucket, object string, fi FileInfo, forceDelMarker bool) error {
|
|
return es.disk.DeleteVersion(ctx, bucket, object, fi, forceDelMarker)
|
|
}
|
|
|
|
// DeleteObjects deletes objects/versions in bulk, this function will still automatically split objects list
|
|
// into smaller bulks if some object names are found to be duplicated in the delete list, splitting
|
|
// into smaller bulks will avoid holding twice the write lock of the duplicated object names.
|
|
func (es *erasureSingle) DeleteObjects(ctx context.Context, bucket string, objects []ObjectToDelete, opts ObjectOptions) ([]DeletedObject, []error) {
|
|
errs := make([]error, len(objects))
|
|
dobjects := make([]DeletedObject, len(objects))
|
|
objSets := set.NewStringSet()
|
|
for i := range errs {
|
|
objects[i].ObjectName = encodeDirObject(objects[i].ObjectName)
|
|
|
|
errs[i] = checkDelObjArgs(ctx, bucket, objects[i].ObjectName)
|
|
objSets.Add(objects[i].ObjectName)
|
|
}
|
|
|
|
// Acquire a bulk write lock across 'objects'
|
|
multiDeleteLock := es.NewNSLock(bucket, objSets.ToSlice()...)
|
|
lkctx, err := multiDeleteLock.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
for i := range errs {
|
|
errs[i] = err
|
|
}
|
|
return dobjects, errs
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer multiDeleteLock.Unlock(lkctx.Cancel)
|
|
|
|
writeQuorums := make([]int, len(objects))
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
for i := range objects {
|
|
// Single drive write quorum is '1'
|
|
writeQuorums[i] = 1
|
|
}
|
|
|
|
versionsMap := make(map[string]FileInfoVersions, len(objects))
|
|
for i := range objects {
|
|
// Construct the FileInfo data that needs to be preserved on the disk.
|
|
vr := FileInfo{
|
|
Name: objects[i].ObjectName,
|
|
VersionID: objects[i].VersionID,
|
|
ReplicationState: objects[i].ReplicationState(),
|
|
// save the index to set correct error at this index.
|
|
Idx: i,
|
|
}
|
|
vr.SetTierFreeVersionID(mustGetUUID())
|
|
// VersionID is not set means delete is not specific about
|
|
// any version, look for if the bucket is versioned or not.
|
|
if objects[i].VersionID == "" {
|
|
// MinIO extension to bucket version configuration
|
|
suspended := opts.VersionSuspended
|
|
versioned := opts.Versioned
|
|
if opts.PrefixEnabledFn != nil {
|
|
versioned = opts.PrefixEnabledFn(objects[i].ObjectName)
|
|
}
|
|
|
|
if versioned || suspended {
|
|
// Bucket is versioned and no version was explicitly
|
|
// mentioned for deletes, create a delete marker instead.
|
|
vr.ModTime = UTCNow()
|
|
vr.Deleted = true
|
|
// Versioning suspended means that we add a `null` version
|
|
// delete marker, if not add a new version for this delete
|
|
// marker.
|
|
if versioned {
|
|
vr.VersionID = mustGetUUID()
|
|
}
|
|
}
|
|
}
|
|
// De-dup same object name to collect multiple versions for same object.
|
|
v, ok := versionsMap[objects[i].ObjectName]
|
|
if ok {
|
|
v.Versions = append(v.Versions, vr)
|
|
} else {
|
|
v = FileInfoVersions{
|
|
Name: vr.Name,
|
|
Versions: []FileInfo{vr},
|
|
}
|
|
}
|
|
if vr.Deleted {
|
|
dobjects[i] = DeletedObject{
|
|
DeleteMarker: vr.Deleted,
|
|
DeleteMarkerVersionID: vr.VersionID,
|
|
DeleteMarkerMTime: DeleteMarkerMTime{vr.ModTime},
|
|
ObjectName: decodeDirObject(vr.Name),
|
|
ReplicationState: vr.ReplicationState,
|
|
}
|
|
} else {
|
|
dobjects[i] = DeletedObject{
|
|
ObjectName: decodeDirObject(vr.Name),
|
|
VersionID: vr.VersionID,
|
|
ReplicationState: vr.ReplicationState,
|
|
}
|
|
}
|
|
versionsMap[objects[i].ObjectName] = v
|
|
}
|
|
|
|
dedupVersions := make([]FileInfoVersions, 0, len(versionsMap))
|
|
for _, version := range versionsMap {
|
|
dedupVersions = append(dedupVersions, version)
|
|
}
|
|
|
|
// Initialize list of errors.
|
|
delObjErrs := make([][]error, len(storageDisks))
|
|
|
|
var wg sync.WaitGroup
|
|
// Remove versions in bulk for each disk
|
|
for index, disk := range storageDisks {
|
|
wg.Add(1)
|
|
go func(index int, disk StorageAPI) {
|
|
defer wg.Done()
|
|
delObjErrs[index] = make([]error, len(objects))
|
|
if disk == nil {
|
|
for i := range objects {
|
|
delObjErrs[index][i] = errDiskNotFound
|
|
}
|
|
return
|
|
}
|
|
errs := disk.DeleteVersions(ctx, bucket, dedupVersions)
|
|
for i, err := range errs {
|
|
if err == nil {
|
|
continue
|
|
}
|
|
for _, v := range dedupVersions[i].Versions {
|
|
if err == errFileNotFound || err == errFileVersionNotFound {
|
|
if !dobjects[v.Idx].DeleteMarker {
|
|
// Not delete marker, if not found, ok.
|
|
continue
|
|
}
|
|
}
|
|
delObjErrs[index][v.Idx] = err
|
|
}
|
|
}
|
|
}(index, disk)
|
|
}
|
|
wg.Wait()
|
|
|
|
// Reduce errors for each object
|
|
for objIndex := range objects {
|
|
diskErrs := make([]error, len(storageDisks))
|
|
// Iterate over disks to fetch the error
|
|
// of deleting of the current object
|
|
for i := range delObjErrs {
|
|
// delObjErrs[i] is not nil when disks[i] is also not nil
|
|
if delObjErrs[i] != nil {
|
|
diskErrs[i] = delObjErrs[i][objIndex]
|
|
}
|
|
}
|
|
err := reduceWriteQuorumErrs(ctx, diskErrs, objectOpIgnoredErrs, writeQuorums[objIndex])
|
|
if objects[objIndex].VersionID != "" {
|
|
errs[objIndex] = toObjectErr(err, bucket, objects[objIndex].ObjectName, objects[objIndex].VersionID)
|
|
} else {
|
|
errs[objIndex] = toObjectErr(err, bucket, objects[objIndex].ObjectName)
|
|
}
|
|
|
|
defer NSUpdated(bucket, objects[objIndex].ObjectName)
|
|
}
|
|
|
|
return dobjects, errs
|
|
}
|
|
|
|
func (es *erasureSingle) deletePrefix(ctx context.Context, bucket, prefix string) error {
|
|
dirPrefix := encodeDirObject(prefix)
|
|
defer es.disk.Delete(ctx, bucket, dirPrefix, DeleteOptions{
|
|
Recursive: true,
|
|
Force: true,
|
|
})
|
|
return es.disk.Delete(ctx, bucket, prefix, DeleteOptions{
|
|
Recursive: true,
|
|
Force: true,
|
|
})
|
|
}
|
|
|
|
// DeleteObject - deletes an object, this call doesn't necessary reply
|
|
// any error as it is not necessary for the handler to reply back a
|
|
// response to the client request.
|
|
func (es *erasureSingle) DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
|
|
if err = checkDelObjArgs(ctx, bucket, object); err != nil {
|
|
return objInfo, err
|
|
}
|
|
|
|
if opts.DeletePrefix {
|
|
return ObjectInfo{}, toObjectErr(es.deletePrefix(ctx, bucket, object), bucket, object)
|
|
}
|
|
|
|
object = encodeDirObject(object)
|
|
var lc *lifecycle.Lifecycle
|
|
var rcfg lock.Retention
|
|
if opts.Expiration.Expire {
|
|
// Check if the current bucket has a configured lifecycle policy
|
|
lc, _ = globalLifecycleSys.Get(bucket)
|
|
rcfg, _ = globalBucketObjectLockSys.Get(bucket)
|
|
}
|
|
|
|
// expiration attempted on a bucket with no lifecycle
|
|
// rules shall be rejected.
|
|
if lc == nil && opts.Expiration.Expire {
|
|
if opts.VersionID != "" {
|
|
return objInfo, VersionNotFound{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
VersionID: opts.VersionID,
|
|
}
|
|
}
|
|
return objInfo, ObjectNotFound{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
}
|
|
}
|
|
|
|
// Acquire a write lock before deleting the object.
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalDeleteOperationTimeout)
|
|
if err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
|
|
versionFound := true
|
|
objInfo = ObjectInfo{VersionID: opts.VersionID} // version id needed in Delete API response.
|
|
goi, _, gerr := es.getObjectInfoAndQuorum(ctx, bucket, object, opts)
|
|
if gerr != nil && goi.Name == "" {
|
|
switch gerr.(type) {
|
|
case InsufficientReadQuorum:
|
|
return objInfo, InsufficientWriteQuorum{}
|
|
}
|
|
// For delete marker replication, versionID being replicated will not exist on disk
|
|
if opts.DeleteMarker {
|
|
versionFound = false
|
|
} else {
|
|
return objInfo, gerr
|
|
}
|
|
}
|
|
|
|
// Do not create new delete markers.
|
|
if goi.DeleteMarker && opts.VersionID == "" {
|
|
return goi, nil
|
|
}
|
|
|
|
if opts.Expiration.Expire {
|
|
evt := evalActionFromLifecycle(ctx, *lc, rcfg, goi)
|
|
var isErr bool
|
|
switch evt.Action {
|
|
case lifecycle.NoneAction:
|
|
isErr = true
|
|
case lifecycle.TransitionAction, lifecycle.TransitionVersionAction:
|
|
isErr = true
|
|
}
|
|
if isErr {
|
|
if goi.VersionID != "" {
|
|
return goi, VersionNotFound{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
VersionID: goi.VersionID,
|
|
}
|
|
}
|
|
return goi, ObjectNotFound{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
}
|
|
}
|
|
}
|
|
|
|
defer NSUpdated(bucket, object)
|
|
|
|
var markDelete bool
|
|
// Determine whether to mark object deleted for replication
|
|
if goi.VersionID != "" {
|
|
markDelete = true
|
|
}
|
|
|
|
// Default deleteMarker to true if object is under versioning
|
|
deleteMarker := opts.Versioned
|
|
|
|
if opts.VersionID != "" {
|
|
// case where replica version needs to be deleted on target cluster
|
|
if versionFound && opts.DeleteMarkerReplicationStatus() == replication.Replica {
|
|
markDelete = false
|
|
}
|
|
if opts.VersionPurgeStatus().Empty() && opts.DeleteMarkerReplicationStatus().Empty() {
|
|
markDelete = false
|
|
}
|
|
if opts.VersionPurgeStatus() == Complete {
|
|
markDelete = false
|
|
}
|
|
|
|
// Version is found but we do not wish to create more delete markers
|
|
// now, since VersionPurgeStatus() is already set, we can let the
|
|
// lower layers decide this. This fixes a regression that was introduced
|
|
// in PR #14555 where !VersionPurgeStatus.Empty() is automatically
|
|
// considered as Delete marker true to avoid listing such objects by
|
|
// regular ListObjects() calls. However for delete replication this
|
|
// ends up being a problem because "upon" a successful delete this
|
|
// ends up creating a new delete marker that is spurious and unnecessary.
|
|
if versionFound {
|
|
if !goi.VersionPurgeStatus.Empty() {
|
|
deleteMarker = false
|
|
} else if !goi.DeleteMarker { // implies a versioned delete of object
|
|
deleteMarker = false
|
|
}
|
|
}
|
|
}
|
|
|
|
modTime := opts.MTime
|
|
if opts.MTime.IsZero() {
|
|
modTime = UTCNow()
|
|
}
|
|
fvID := mustGetUUID()
|
|
if markDelete {
|
|
if opts.Versioned || opts.VersionSuspended {
|
|
if !deleteMarker {
|
|
// versioning suspended means we add `null` version as
|
|
// delete marker, if its not decided already.
|
|
deleteMarker = opts.VersionSuspended && opts.VersionID == ""
|
|
}
|
|
fi := FileInfo{
|
|
Name: object,
|
|
Deleted: deleteMarker,
|
|
MarkDeleted: markDelete,
|
|
ModTime: modTime,
|
|
ReplicationState: opts.DeleteReplication,
|
|
TransitionStatus: opts.Transition.Status,
|
|
ExpireRestored: opts.Transition.ExpireRestored,
|
|
}
|
|
fi.SetTierFreeVersionID(fvID)
|
|
if opts.Versioned {
|
|
fi.VersionID = mustGetUUID()
|
|
if opts.VersionID != "" {
|
|
fi.VersionID = opts.VersionID
|
|
}
|
|
}
|
|
// versioning suspended means we add `null` version as
|
|
// delete marker. Add delete marker, since we don't have
|
|
// any version specified explicitly. Or if a particular
|
|
// version id needs to be replicated.
|
|
if err = es.deleteObjectVersion(ctx, bucket, object, fi, opts.DeleteMarker); err != nil {
|
|
return objInfo, toObjectErr(err, bucket, object)
|
|
}
|
|
return fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
}
|
|
|
|
// Delete the object version on all disks.
|
|
dfi := FileInfo{
|
|
Name: object,
|
|
VersionID: opts.VersionID,
|
|
MarkDeleted: markDelete,
|
|
Deleted: deleteMarker,
|
|
ModTime: modTime,
|
|
ReplicationState: opts.DeleteReplication,
|
|
TransitionStatus: opts.Transition.Status,
|
|
ExpireRestored: opts.Transition.ExpireRestored,
|
|
}
|
|
dfi.SetTierFreeVersionID(fvID)
|
|
if err = es.deleteObjectVersion(ctx, bucket, object, dfi, opts.DeleteMarker); err != nil {
|
|
return objInfo, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
return ObjectInfo{
|
|
Bucket: bucket,
|
|
Name: object,
|
|
VersionID: opts.VersionID,
|
|
VersionPurgeStatusInternal: opts.DeleteReplication.VersionPurgeStatusInternal,
|
|
ReplicationStatusInternal: opts.DeleteReplication.ReplicationStatusInternal,
|
|
}, nil
|
|
}
|
|
|
|
func (es *erasureSingle) PutObjectMetadata(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
|
|
if !opts.NoLock {
|
|
// Lock the object before updating metadata.
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
}
|
|
|
|
disks := []StorageAPI{es.disk}
|
|
|
|
var metaArr []FileInfo
|
|
var errs []error
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
metaArr, errs = readAllFileInfo(ctx, disks, bucket, object, opts.VersionID, false)
|
|
|
|
readQuorum, _, err := objectQuorumFromMeta(ctx, metaArr, errs, 0)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// List all online disks.
|
|
onlineDisks, modTime := listOnlineDisks(disks, metaArr, errs)
|
|
|
|
// Pick latest valid metadata.
|
|
fi, err := pickValidFileInfo(ctx, metaArr, modTime, readQuorum)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
if fi.Deleted {
|
|
return ObjectInfo{}, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
|
|
filterOnlineDisksInplace(fi, metaArr, onlineDisks)
|
|
|
|
// if version-id is not specified retention is supposed to be set on the latest object.
|
|
if opts.VersionID == "" {
|
|
opts.VersionID = fi.VersionID
|
|
}
|
|
|
|
objInfo := fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
if opts.EvalMetadataFn != nil {
|
|
if err := opts.EvalMetadataFn(objInfo); err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
}
|
|
for k, v := range objInfo.UserDefined {
|
|
fi.Metadata[k] = v
|
|
}
|
|
fi.ModTime = opts.MTime
|
|
fi.VersionID = opts.VersionID
|
|
|
|
if err = es.updateObjectMeta(ctx, bucket, object, fi, onlineDisks...); err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
return fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
|
|
// PutObjectTags - replace or add tags to an existing object
|
|
func (es *erasureSingle) PutObjectTags(ctx context.Context, bucket, object string, tags string, opts ObjectOptions) (ObjectInfo, error) {
|
|
// Lock the object before updating tags.
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return ObjectInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
|
|
disks := []StorageAPI{es.disk}
|
|
|
|
var metaArr []FileInfo
|
|
var errs []error
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
if opts.VersionID != "" {
|
|
metaArr, errs = readAllFileInfo(ctx, disks, bucket, object, opts.VersionID, false)
|
|
} else {
|
|
metaArr, errs = readAllXL(ctx, disks, bucket, object, false)
|
|
}
|
|
|
|
readQuorum, _, err := objectQuorumFromMeta(ctx, metaArr, errs, 0)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// List all online disks.
|
|
onlineDisks, modTime := listOnlineDisks(disks, metaArr, errs)
|
|
|
|
// Pick latest valid metadata.
|
|
fi, err := pickValidFileInfo(ctx, metaArr, modTime, readQuorum)
|
|
if err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
if fi.Deleted {
|
|
if opts.VersionID == "" {
|
|
return ObjectInfo{}, toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
return ObjectInfo{}, toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
|
|
filterOnlineDisksInplace(fi, metaArr, onlineDisks)
|
|
|
|
fi.Metadata[xhttp.AmzObjectTagging] = tags
|
|
fi.ReplicationState = opts.PutReplicationState()
|
|
for k, v := range opts.UserDefined {
|
|
fi.Metadata[k] = v
|
|
}
|
|
|
|
if err = es.updateObjectMeta(ctx, bucket, object, fi, onlineDisks...); err != nil {
|
|
return ObjectInfo{}, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
return fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
|
|
// updateObjectMeta will update the metadata of a file.
|
|
func (es *erasureSingle) updateObjectMeta(ctx context.Context, bucket, object string, fi FileInfo, onlineDisks ...StorageAPI) error {
|
|
if len(fi.Metadata) == 0 {
|
|
return nil
|
|
}
|
|
|
|
g := errgroup.WithNErrs(len(onlineDisks))
|
|
|
|
// Start writing `xl.meta` to all disks in parallel.
|
|
for index := range onlineDisks {
|
|
index := index
|
|
g.Go(func() error {
|
|
if onlineDisks[index] == nil {
|
|
return errDiskNotFound
|
|
}
|
|
return onlineDisks[index].UpdateMetadata(ctx, bucket, object, fi)
|
|
}, index)
|
|
}
|
|
|
|
// Wait for all the routines.
|
|
mErrs := g.Wait()
|
|
|
|
return reduceWriteQuorumErrs(ctx, mErrs, objectOpIgnoredErrs, 1)
|
|
}
|
|
|
|
// DeleteObjectTags - delete object tags from an existing object
|
|
func (es *erasureSingle) DeleteObjectTags(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
|
|
return es.PutObjectTags(ctx, bucket, object, "", opts)
|
|
}
|
|
|
|
// GetObjectTags - get object tags from an existing object
|
|
func (es *erasureSingle) GetObjectTags(ctx context.Context, bucket, object string, opts ObjectOptions) (*tags.Tags, error) {
|
|
// GetObjectInfo will return tag value as well
|
|
oi, err := es.GetObjectInfo(ctx, bucket, object, opts)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return tags.ParseObjectTags(oi.UserTags)
|
|
}
|
|
|
|
// TransitionObject - transition object content to target tier.
|
|
func (es *erasureSingle) TransitionObject(ctx context.Context, bucket, object string, opts ObjectOptions) error {
|
|
tgtClient, err := globalTierConfigMgr.getDriver(opts.Transition.Tier)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Acquire write lock before starting to transition the object.
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalDeleteOperationTimeout)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
|
|
fi, metaArr, onlineDisks, err := es.getObjectFileInfo(ctx, bucket, object, opts, true)
|
|
if err != nil {
|
|
return toObjectErr(err, bucket, object)
|
|
}
|
|
if fi.Deleted {
|
|
if opts.VersionID == "" {
|
|
return toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
// Make sure to return object info to provide extra information.
|
|
return toObjectErr(errMethodNotAllowed, bucket, object)
|
|
}
|
|
// verify that the object queued for transition is identical to that on disk.
|
|
if !opts.MTime.Equal(fi.ModTime) || !strings.EqualFold(opts.Transition.ETag, extractETag(fi.Metadata)) {
|
|
return toObjectErr(errFileNotFound, bucket, object)
|
|
}
|
|
// if object already transitioned, return
|
|
if fi.TransitionStatus == lifecycle.TransitionComplete {
|
|
return nil
|
|
}
|
|
defer NSUpdated(bucket, object)
|
|
|
|
destObj, err := genTransitionObjName(bucket)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
pr, pw := xioutil.WaitPipe()
|
|
go func() {
|
|
err := es.getObjectWithFileInfo(ctx, bucket, object, 0, fi.Size, pw, fi, metaArr, onlineDisks)
|
|
pw.CloseWithError(err)
|
|
}()
|
|
|
|
var rv remoteVersionID
|
|
rv, err = tgtClient.Put(ctx, destObj, pr, fi.Size)
|
|
pr.CloseWithError(err)
|
|
if err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("Unable to transition %s/%s(%s) to %s tier: %w", bucket, object, opts.VersionID, opts.Transition.Tier, err))
|
|
return err
|
|
}
|
|
fi.TransitionStatus = lifecycle.TransitionComplete
|
|
fi.TransitionedObjName = destObj
|
|
fi.TransitionTier = opts.Transition.Tier
|
|
fi.TransitionVersionID = string(rv)
|
|
eventName := event.ObjectTransitionComplete
|
|
|
|
if err = es.deleteObjectVersion(ctx, bucket, object, fi, false); err != nil {
|
|
eventName = event.ObjectTransitionFailed
|
|
}
|
|
|
|
objInfo := fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
sendEvent(eventArgs{
|
|
EventName: eventName,
|
|
BucketName: bucket,
|
|
Object: objInfo,
|
|
Host: "Internal: [ILM-Transition]",
|
|
})
|
|
auditLogLifecycle(ctx, objInfo, ILMTransition)
|
|
return err
|
|
}
|
|
|
|
// RestoreTransitionedObject - restore transitioned object content locally on this cluster.
|
|
// This 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 (es *erasureSingle) RestoreTransitionedObject(ctx context.Context, bucket, object string, opts ObjectOptions) error {
|
|
return es.restoreTransitionedObject(ctx, bucket, object, opts)
|
|
}
|
|
|
|
// update restore status header in the metadata
|
|
func (es *erasureSingle) updateRestoreMetadata(ctx context.Context, bucket, object string, objInfo ObjectInfo, opts ObjectOptions, rerr error) error {
|
|
oi := objInfo.Clone()
|
|
oi.metadataOnly = true // Perform only metadata updates.
|
|
|
|
if rerr == nil {
|
|
oi.UserDefined[xhttp.AmzRestore] = completedRestoreObj(opts.Transition.RestoreExpiry).String()
|
|
} else { // allow retry in the case of failure to restore
|
|
delete(oi.UserDefined, xhttp.AmzRestore)
|
|
}
|
|
if _, err := es.CopyObject(ctx, bucket, object, bucket, object, oi, ObjectOptions{
|
|
VersionID: oi.VersionID,
|
|
}, ObjectOptions{
|
|
VersionID: oi.VersionID,
|
|
}); err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("Unable to update transition restore metadata for %s/%s(%s): %s", bucket, object, oi.VersionID, err))
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// restoreTransitionedObject for multipart object chunks the file stream from remote tier into the same number of parts
|
|
// as in the xl.meta for this version and rehydrates the part.n into the fi.DataDir for this version as in the xl.meta
|
|
func (es *erasureSingle) restoreTransitionedObject(ctx context.Context, bucket string, object string, opts ObjectOptions) error {
|
|
setRestoreHeaderFn := func(oi ObjectInfo, rerr error) error {
|
|
es.updateRestoreMetadata(ctx, bucket, object, oi, opts, rerr)
|
|
return rerr
|
|
}
|
|
var oi ObjectInfo
|
|
// get the file info on disk for transitioned object
|
|
actualfi, _, _, err := es.getObjectFileInfo(ctx, bucket, object, opts, false)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, toObjectErr(err, bucket, object))
|
|
}
|
|
|
|
oi = actualfi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended)
|
|
ropts := putRestoreOpts(bucket, object, opts.Transition.RestoreRequest, oi)
|
|
if len(oi.Parts) == 1 {
|
|
var rs *HTTPRangeSpec
|
|
gr, err := getTransitionedObjectReader(ctx, bucket, object, rs, http.Header{}, oi, opts)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, toObjectErr(err, bucket, object))
|
|
}
|
|
defer gr.Close()
|
|
hashReader, err := hash.NewReader(gr, gr.ObjInfo.Size, "", "", gr.ObjInfo.Size)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, toObjectErr(err, bucket, object))
|
|
}
|
|
pReader := NewPutObjReader(hashReader)
|
|
ropts.UserDefined[xhttp.AmzRestore] = completedRestoreObj(opts.Transition.RestoreExpiry).String()
|
|
_, err = es.PutObject(ctx, bucket, object, pReader, ropts)
|
|
return setRestoreHeaderFn(oi, toObjectErr(err, bucket, object))
|
|
}
|
|
|
|
result, err := es.NewMultipartUpload(ctx, bucket, object, ropts)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, err)
|
|
}
|
|
|
|
var uploadedParts []CompletePart
|
|
var rs *HTTPRangeSpec
|
|
// get reader from the warm backend - note that even in the case of encrypted objects, this stream is still encrypted.
|
|
gr, err := getTransitionedObjectReader(ctx, bucket, object, rs, http.Header{}, oi, opts)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, err)
|
|
}
|
|
defer gr.Close()
|
|
|
|
// rehydrate the parts back on disk as per the original xl.meta prior to transition
|
|
for _, partInfo := range oi.Parts {
|
|
hr, err := hash.NewReader(gr, partInfo.Size, "", "", partInfo.Size)
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, err)
|
|
}
|
|
pInfo, err := es.PutObjectPart(ctx, bucket, object, result.UploadID, partInfo.Number, NewPutObjReader(hr), ObjectOptions{})
|
|
if err != nil {
|
|
return setRestoreHeaderFn(oi, err)
|
|
}
|
|
if pInfo.Size != partInfo.Size {
|
|
return setRestoreHeaderFn(oi, InvalidObjectState{Bucket: bucket, Object: object})
|
|
}
|
|
uploadedParts = append(uploadedParts, CompletePart{
|
|
PartNumber: pInfo.PartNumber,
|
|
ETag: pInfo.ETag,
|
|
})
|
|
}
|
|
_, err = es.CompleteMultipartUpload(ctx, bucket, object, result.UploadID, uploadedParts, ObjectOptions{
|
|
MTime: oi.ModTime,
|
|
})
|
|
return setRestoreHeaderFn(oi, err)
|
|
}
|
|
|
|
func (es *erasureSingle) getUploadIDDir(bucket, object, uploadID string) string {
|
|
return pathJoin(es.getMultipartSHADir(bucket, object), uploadID)
|
|
}
|
|
|
|
func (es *erasureSingle) getMultipartSHADir(bucket, object string) string {
|
|
return getSHA256Hash([]byte(pathJoin(bucket, object)))
|
|
}
|
|
|
|
// checkUploadIDExists - verify if a given uploadID exists and is valid.
|
|
func (es *erasureSingle) checkUploadIDExists(ctx context.Context, bucket, object, uploadID string) (err error) {
|
|
defer func() {
|
|
if err == errFileNotFound {
|
|
err = errUploadIDNotFound
|
|
}
|
|
}()
|
|
|
|
disks := []StorageAPI{es.disk}
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
metaArr, errs := readAllFileInfo(ctx, disks, minioMetaMultipartBucket, es.getUploadIDDir(bucket, object, uploadID), "", false)
|
|
|
|
readQuorum, _, err := objectQuorumFromMeta(ctx, metaArr, errs, 0)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
|
|
return reducedErr
|
|
}
|
|
|
|
// List all online disks.
|
|
_, modTime := listOnlineDisks(disks, metaArr, errs)
|
|
|
|
// Pick latest valid metadata.
|
|
_, err = pickValidFileInfo(ctx, metaArr, modTime, readQuorum)
|
|
return err
|
|
}
|
|
|
|
// Removes part given by partName belonging to a mulitpart upload from minioMetaBucket
|
|
func (es *erasureSingle) removeObjectPart(bucket, object, uploadID, dataDir string, partNumber int) {
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
curpartPath := pathJoin(uploadIDPath, dataDir, fmt.Sprintf("part.%d", partNumber))
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
g := errgroup.WithNErrs(len(storageDisks))
|
|
for index, disk := range storageDisks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
index := index
|
|
g.Go(func() error {
|
|
// Ignoring failure to remove parts that weren't present in CompleteMultipartUpload
|
|
// requests. xl.meta is the authoritative source of truth on which parts constitute
|
|
// the object. The presence of parts that don't belong in the object doesn't affect correctness.
|
|
_ = storageDisks[index].Delete(context.TODO(), minioMetaMultipartBucket, curpartPath, DeleteOptions{
|
|
Recursive: false,
|
|
Force: false,
|
|
})
|
|
return nil
|
|
}, index)
|
|
}
|
|
g.Wait()
|
|
}
|
|
|
|
// Remove the old multipart uploads on the given disk.
|
|
func (es *erasureSingle) cleanupStaleUploadsOnDisk(ctx context.Context, disk StorageAPI, expiry time.Duration) {
|
|
now := time.Now()
|
|
diskPath := disk.Endpoint().Path
|
|
|
|
readDirFn(pathJoin(diskPath, minioMetaMultipartBucket), func(shaDir string, typ os.FileMode) error {
|
|
return readDirFn(pathJoin(diskPath, minioMetaMultipartBucket, shaDir), func(uploadIDDir string, typ os.FileMode) error {
|
|
uploadIDPath := pathJoin(shaDir, uploadIDDir)
|
|
fi, err := disk.ReadVersion(ctx, minioMetaMultipartBucket, uploadIDPath, "", false)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
wait := es.deletedCleanupSleeper.Timer(ctx)
|
|
if now.Sub(fi.ModTime) > expiry {
|
|
es.disk.RenameFile(context.Background(), minioMetaMultipartBucket, uploadIDPath, minioMetaTmpDeletedBucket, mustGetUUID())
|
|
}
|
|
wait()
|
|
return nil
|
|
})
|
|
})
|
|
|
|
readDirFn(pathJoin(diskPath, minioMetaTmpBucket), func(tmpDir string, typ os.FileMode) error {
|
|
if tmpDir == ".trash/" { // do not remove .trash/ here, it has its own routines
|
|
return nil
|
|
}
|
|
vi, err := disk.StatVol(ctx, pathJoin(minioMetaTmpBucket, tmpDir))
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
wait := es.deletedCleanupSleeper.Timer(ctx)
|
|
if now.Sub(vi.Created) > expiry {
|
|
disk.Delete(ctx, minioMetaTmpBucket, tmpDir, DeleteOptions{
|
|
Recursive: true,
|
|
Force: false,
|
|
})
|
|
}
|
|
wait()
|
|
return nil
|
|
})
|
|
}
|
|
|
|
// ListMultipartUploads - lists all the pending multipart
|
|
// uploads for a particular object in a bucket.
|
|
//
|
|
// Implements minimal S3 compatible ListMultipartUploads API. We do
|
|
// not support prefix based listing, this is a deliberate attempt
|
|
// towards simplification of multipart APIs.
|
|
// The resulting ListMultipartsInfo structure is unmarshalled directly as XML.
|
|
func (es *erasureSingle) ListMultipartUploads(ctx context.Context, bucket, object, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result ListMultipartsInfo, err error) {
|
|
if err := checkListMultipartArgs(ctx, bucket, object, keyMarker, uploadIDMarker, delimiter, es); err != nil {
|
|
return ListMultipartsInfo{}, err
|
|
}
|
|
|
|
result.MaxUploads = maxUploads
|
|
result.KeyMarker = keyMarker
|
|
result.Prefix = object
|
|
result.Delimiter = delimiter
|
|
|
|
uploadIDs, err := es.disk.ListDir(ctx, minioMetaMultipartBucket, es.getMultipartSHADir(bucket, object), -1)
|
|
if err != nil {
|
|
if err == errFileNotFound {
|
|
return result, nil
|
|
}
|
|
logger.LogIf(ctx, err)
|
|
return result, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
for i := range uploadIDs {
|
|
uploadIDs[i] = strings.TrimSuffix(uploadIDs[i], SlashSeparator)
|
|
}
|
|
|
|
// S3 spec says uploadIDs should be sorted based on initiated time, we need
|
|
// to read the metadata entry.
|
|
var uploads []MultipartInfo
|
|
|
|
populatedUploadIds := set.NewStringSet()
|
|
|
|
for _, uploadID := range uploadIDs {
|
|
if populatedUploadIds.Contains(uploadID) {
|
|
continue
|
|
}
|
|
fi, err := es.disk.ReadVersion(ctx, minioMetaMultipartBucket, pathJoin(es.getUploadIDDir(bucket, object, uploadID)), "", false)
|
|
if err != nil {
|
|
return result, toObjectErr(err, bucket, object)
|
|
}
|
|
populatedUploadIds.Add(uploadID)
|
|
uploads = append(uploads, MultipartInfo{
|
|
Object: object,
|
|
UploadID: uploadID,
|
|
Initiated: fi.ModTime,
|
|
})
|
|
}
|
|
|
|
sort.Slice(uploads, func(i int, j int) bool {
|
|
return uploads[i].Initiated.Before(uploads[j].Initiated)
|
|
})
|
|
|
|
uploadIndex := 0
|
|
if uploadIDMarker != "" {
|
|
for uploadIndex < len(uploads) {
|
|
if uploads[uploadIndex].UploadID != uploadIDMarker {
|
|
uploadIndex++
|
|
continue
|
|
}
|
|
if uploads[uploadIndex].UploadID == uploadIDMarker {
|
|
uploadIndex++
|
|
break
|
|
}
|
|
uploadIndex++
|
|
}
|
|
}
|
|
for uploadIndex < len(uploads) {
|
|
result.Uploads = append(result.Uploads, uploads[uploadIndex])
|
|
result.NextUploadIDMarker = uploads[uploadIndex].UploadID
|
|
uploadIndex++
|
|
if len(result.Uploads) == maxUploads {
|
|
break
|
|
}
|
|
}
|
|
|
|
result.IsTruncated = uploadIndex < len(uploads)
|
|
|
|
if !result.IsTruncated {
|
|
result.NextKeyMarker = ""
|
|
result.NextUploadIDMarker = ""
|
|
}
|
|
|
|
return result, nil
|
|
}
|
|
|
|
// newMultipartUpload - wrapper for initializing a new multipart
|
|
// request; returns a unique upload id.
|
|
//
|
|
// Internally this function creates 'uploads.json' associated for the
|
|
// incoming object at
|
|
// '.minio.sys/multipart/bucket/object/uploads.json' on all the
|
|
// disks. `uploads.json` carries metadata regarding on-going multipart
|
|
// operation(s) on the object.
|
|
func (es *erasureSingle) newMultipartUpload(ctx context.Context, bucket string, object string, opts ObjectOptions) (*NewMultipartUploadResult, error) {
|
|
onlineDisks := []StorageAPI{es.disk}
|
|
parityDrives := 0
|
|
dataDrives := len(onlineDisks) - parityDrives
|
|
|
|
// we now know the number of blocks this object needs for data and parity.
|
|
// establish the writeQuorum using this data
|
|
writeQuorum := dataDrives
|
|
if dataDrives == parityDrives {
|
|
writeQuorum++
|
|
}
|
|
|
|
// Initialize parts metadata
|
|
partsMetadata := make([]FileInfo, len(onlineDisks))
|
|
|
|
fi := newFileInfo(pathJoin(bucket, object), dataDrives, parityDrives)
|
|
fi.VersionID = opts.VersionID
|
|
if opts.Versioned && fi.VersionID == "" {
|
|
fi.VersionID = mustGetUUID()
|
|
}
|
|
fi.DataDir = mustGetUUID()
|
|
|
|
// Initialize erasure metadata.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index] = fi
|
|
}
|
|
|
|
// Guess content-type from the extension if possible.
|
|
if opts.UserDefined["content-type"] == "" {
|
|
opts.UserDefined["content-type"] = mimedb.TypeByExtension(path.Ext(object))
|
|
}
|
|
|
|
modTime := opts.MTime
|
|
if opts.MTime.IsZero() {
|
|
modTime = UTCNow()
|
|
}
|
|
|
|
onlineDisks, partsMetadata = shuffleDisksAndPartsMetadata(onlineDisks, partsMetadata, fi)
|
|
|
|
// Fill all the necessary metadata.
|
|
// Update `xl.meta` content on each disks.
|
|
for index := range partsMetadata {
|
|
partsMetadata[index].Fresh = true
|
|
partsMetadata[index].ModTime = modTime
|
|
partsMetadata[index].Metadata = opts.UserDefined
|
|
}
|
|
|
|
uploadID := mustGetUUID()
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
|
|
// Write updated `xl.meta` to all disks.
|
|
if _, err := writeUniqueFileInfo(ctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath, partsMetadata, writeQuorum); err != nil {
|
|
return nil, toObjectErr(err, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
// Return success.
|
|
return &NewMultipartUploadResult{UploadID: uploadID}, nil
|
|
}
|
|
|
|
// NewMultipartUpload - initialize a new multipart upload, returns a
|
|
// unique id. The unique id returned here is of UUID form, for each
|
|
// subsequent request each UUID is unique.
|
|
//
|
|
// Implements S3 compatible initiate multipart API.
|
|
func (es *erasureSingle) NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (*NewMultipartUploadResult, error) {
|
|
if err := checkNewMultipartArgs(ctx, bucket, object, es); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// No metadata is set, allocate a new one.
|
|
if opts.UserDefined == nil {
|
|
opts.UserDefined = make(map[string]string)
|
|
}
|
|
return es.newMultipartUpload(ctx, bucket, object, opts)
|
|
}
|
|
|
|
// CopyObjectPart - reads incoming stream and internally erasure codes
|
|
// them. This call is similar to put object part operation but the source
|
|
// data is read from an existing object.
|
|
//
|
|
// Implements S3 compatible Upload Part Copy API.
|
|
func (es *erasureSingle) CopyObjectPart(ctx context.Context, srcBucket, srcObject, dstBucket, dstObject, uploadID string, partID int, startOffset int64, length int64, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (pi PartInfo, e error) {
|
|
partInfo, err := es.PutObjectPart(ctx, dstBucket, dstObject, uploadID, partID, NewPutObjReader(srcInfo.Reader), dstOpts)
|
|
if err != nil {
|
|
return pi, toObjectErr(err, dstBucket, dstObject)
|
|
}
|
|
|
|
// Success.
|
|
return partInfo, nil
|
|
}
|
|
|
|
// PutObjectPart - reads incoming stream and internally erasure codes
|
|
// them. This call is similar to single put operation but it is part
|
|
// of the multipart transaction.
|
|
//
|
|
// Implements S3 compatible Upload Part API.
|
|
func (es *erasureSingle) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, r *PutObjReader, opts ObjectOptions) (pi PartInfo, err error) {
|
|
if err := checkPutObjectPartArgs(ctx, bucket, object, es); err != nil {
|
|
return PartInfo{}, err
|
|
}
|
|
|
|
// Write lock for this part ID.
|
|
// Held throughout the operation.
|
|
partIDLock := es.NewNSLock(bucket, pathJoin(object, uploadID, strconv.Itoa(partID)))
|
|
plkctx, err := partIDLock.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return PartInfo{}, err
|
|
}
|
|
pctx := plkctx.Context()
|
|
defer partIDLock.Unlock(plkctx.Cancel)
|
|
|
|
// Read lock for upload id.
|
|
// Only held while reading the upload metadata.
|
|
uploadIDRLock := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
rlkctx, err := uploadIDRLock.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return PartInfo{}, err
|
|
}
|
|
rctx := rlkctx.Context()
|
|
defer func() {
|
|
if uploadIDRLock != nil {
|
|
uploadIDRLock.RUnlock(rlkctx.Cancel)
|
|
}
|
|
}()
|
|
|
|
data := r.Reader
|
|
// Validate input data size and it can never be less than zero.
|
|
if data.Size() < -1 {
|
|
logger.LogIf(rctx, errInvalidArgument, logger.Application)
|
|
return pi, toObjectErr(errInvalidArgument)
|
|
}
|
|
|
|
var partsMetadata []FileInfo
|
|
var errs []error
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
|
|
// Validates if upload ID exists.
|
|
if err = es.checkUploadIDExists(rctx, bucket, object, uploadID); err != nil {
|
|
return pi, toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
partsMetadata, errs = readAllFileInfo(rctx, storageDisks, minioMetaMultipartBucket,
|
|
uploadIDPath, "", false)
|
|
|
|
// Unlock upload id locks before, so others can get it.
|
|
uploadIDRLock.RUnlock(rlkctx.Cancel)
|
|
uploadIDRLock = nil
|
|
|
|
// get Quorum for this object
|
|
_, writeQuorum, err := objectQuorumFromMeta(pctx, partsMetadata, errs, 0)
|
|
if err != nil {
|
|
return pi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
reducedErr := reduceWriteQuorumErrs(pctx, errs, objectOpIgnoredErrs, writeQuorum)
|
|
if reducedErr == errErasureWriteQuorum {
|
|
return pi, toObjectErr(reducedErr, bucket, object)
|
|
}
|
|
|
|
// List all online disks.
|
|
onlineDisks, modTime := listOnlineDisks(storageDisks, partsMetadata, errs)
|
|
|
|
// Pick one from the first valid metadata.
|
|
fi, err := pickValidFileInfo(pctx, partsMetadata, modTime, writeQuorum)
|
|
if err != nil {
|
|
return pi, err
|
|
}
|
|
|
|
onlineDisks = shuffleDisks(onlineDisks, fi.Erasure.Distribution)
|
|
|
|
// Need a unique name for the part being written in minioMetaBucket to
|
|
// accommodate concurrent PutObjectPart requests
|
|
|
|
partSuffix := fmt.Sprintf("part.%d", partID)
|
|
tmpPart := mustGetUUID()
|
|
tmpPartPath := pathJoin(tmpPart, partSuffix)
|
|
|
|
// Delete the temporary object part. If PutObjectPart succeeds there would be nothing to delete.
|
|
var online int
|
|
defer func() {
|
|
if online != len(onlineDisks) {
|
|
es.disk.RenameFile(context.Background(), minioMetaTmpBucket, tmpPart, minioMetaTmpDeletedBucket, mustGetUUID())
|
|
}
|
|
}()
|
|
|
|
erasure, err := NewErasure(pctx, fi.Erasure.DataBlocks, fi.Erasure.ParityBlocks, fi.Erasure.BlockSize)
|
|
if err != nil {
|
|
return pi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Fetch buffer for I/O, returns from the pool if not allocates a new one and returns.
|
|
var buffer []byte
|
|
switch size := data.Size(); {
|
|
case size == 0:
|
|
buffer = make([]byte, 1) // Allocate atleast a byte to reach EOF
|
|
case size == -1:
|
|
if size := data.ActualSize(); size > 0 && size < fi.Erasure.BlockSize {
|
|
buffer = make([]byte, data.ActualSize()+256, data.ActualSize()*2+512)
|
|
} else {
|
|
buffer = es.bp.Get()
|
|
defer es.bp.Put(buffer)
|
|
}
|
|
case size >= fi.Erasure.BlockSize:
|
|
buffer = es.bp.Get()
|
|
defer es.bp.Put(buffer)
|
|
case size < fi.Erasure.BlockSize:
|
|
// No need to allocate fully fi.Erasure.BlockSize buffer if the incoming data is smalles.
|
|
buffer = make([]byte, size, 2*size+int64(fi.Erasure.ParityBlocks+fi.Erasure.DataBlocks-1))
|
|
}
|
|
|
|
if len(buffer) > int(fi.Erasure.BlockSize) {
|
|
buffer = buffer[:fi.Erasure.BlockSize]
|
|
}
|
|
writers := make([]io.Writer, len(onlineDisks))
|
|
for i, disk := range onlineDisks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
writers[i] = newBitrotWriter(disk, minioMetaTmpBucket, tmpPartPath, erasure.ShardFileSize(data.Size()), DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
|
|
toEncode := io.Reader(data)
|
|
if data.Size() > bigFileThreshold {
|
|
// Add input readahead.
|
|
// We use 2 buffers, so we always have a full buffer of input.
|
|
bufA := es.bp.Get()
|
|
bufB := es.bp.Get()
|
|
defer es.bp.Put(bufA)
|
|
defer es.bp.Put(bufB)
|
|
ra, err := readahead.NewReaderBuffer(data, [][]byte{bufA[:fi.Erasure.BlockSize], bufB[:fi.Erasure.BlockSize]})
|
|
if err == nil {
|
|
toEncode = ra
|
|
defer ra.Close()
|
|
}
|
|
}
|
|
|
|
n, err := erasure.Encode(pctx, toEncode, writers, buffer, writeQuorum)
|
|
closeBitrotWriters(writers)
|
|
if err != nil {
|
|
return pi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
// Should return IncompleteBody{} error when reader has fewer bytes
|
|
// than specified in request header.
|
|
if n < data.Size() {
|
|
return pi, IncompleteBody{Bucket: bucket, Object: object}
|
|
}
|
|
|
|
for i := range writers {
|
|
if writers[i] == nil {
|
|
onlineDisks[i] = nil
|
|
}
|
|
}
|
|
|
|
// Acquire write lock to update metadata.
|
|
uploadIDWLock := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
wlkctx, err := uploadIDWLock.GetLock(pctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return PartInfo{}, err
|
|
}
|
|
wctx := wlkctx.Context()
|
|
defer uploadIDWLock.Unlock(wlkctx.Cancel)
|
|
|
|
// Validates if upload ID exists.
|
|
if err = es.checkUploadIDExists(wctx, bucket, object, uploadID); err != nil {
|
|
return pi, toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
// Rename temporary part file to its final location.
|
|
partPath := pathJoin(uploadIDPath, fi.DataDir, partSuffix)
|
|
onlineDisks, err = renamePart(wctx, onlineDisks, minioMetaTmpBucket, tmpPartPath, minioMetaMultipartBucket, partPath, writeQuorum)
|
|
if err != nil {
|
|
return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
|
|
}
|
|
|
|
// Read metadata again because it might be updated with parallel upload of another part.
|
|
partsMetadata, errs = readAllFileInfo(wctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath, "", false)
|
|
reducedErr = reduceWriteQuorumErrs(wctx, errs, objectOpIgnoredErrs, writeQuorum)
|
|
if reducedErr == errErasureWriteQuorum {
|
|
return pi, toObjectErr(reducedErr, bucket, object)
|
|
}
|
|
|
|
// Get current highest version based on re-read partsMetadata.
|
|
onlineDisks, modTime = listOnlineDisks(onlineDisks, partsMetadata, errs)
|
|
|
|
// Pick one from the first valid metadata.
|
|
fi, err = pickValidFileInfo(wctx, partsMetadata, modTime, writeQuorum)
|
|
if err != nil {
|
|
return pi, err
|
|
}
|
|
|
|
// Once part is successfully committed, proceed with updating erasure metadata.
|
|
fi.ModTime = UTCNow()
|
|
|
|
md5hex := r.MD5CurrentHexString()
|
|
|
|
var index []byte
|
|
if opts.IndexCB != nil {
|
|
index = opts.IndexCB()
|
|
}
|
|
|
|
// Add the current part.
|
|
fi.AddObjectPart(partID, md5hex, n, data.ActualSize(), fi.ModTime, index, nil)
|
|
|
|
for i, disk := range onlineDisks {
|
|
if disk == OfflineDisk {
|
|
continue
|
|
}
|
|
partsMetadata[i].Size = fi.Size
|
|
partsMetadata[i].ModTime = fi.ModTime
|
|
partsMetadata[i].Parts = fi.Parts
|
|
partsMetadata[i].Erasure.AddChecksumInfo(ChecksumInfo{
|
|
PartNumber: partID,
|
|
Algorithm: DefaultBitrotAlgorithm,
|
|
Hash: bitrotWriterSum(writers[i]),
|
|
})
|
|
}
|
|
|
|
// Writes update `xl.meta` format for each disk.
|
|
if _, err = writeUniqueFileInfo(wctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath, partsMetadata, writeQuorum); err != nil {
|
|
return pi, toObjectErr(err, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
online = countOnlineDisks(onlineDisks)
|
|
|
|
// Return success.
|
|
return PartInfo{
|
|
PartNumber: partID,
|
|
ETag: md5hex,
|
|
LastModified: fi.ModTime,
|
|
Size: n,
|
|
ActualSize: data.ActualSize(),
|
|
}, nil
|
|
}
|
|
|
|
func (es *erasureSingle) HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error) {
|
|
return madmin.HealResultItem{}, NotImplemented{}
|
|
}
|
|
|
|
func (es *erasureSingle) HealObject(ctx context.Context, bucket, object, versionID string, opts madmin.HealOpts) (madmin.HealResultItem, error) {
|
|
return madmin.HealResultItem{}, NotImplemented{}
|
|
}
|
|
|
|
func (es *erasureSingle) HealObjects(ctx context.Context, bucket, prefix string, opts madmin.HealOpts, fn HealObjectFn) error {
|
|
return NotImplemented{}
|
|
}
|
|
|
|
func (es *erasureSingle) HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error) {
|
|
return madmin.HealResultItem{}, NotImplemented{}
|
|
}
|
|
|
|
// GetMultipartInfo returns multipart metadata uploaded during newMultipartUpload, used
|
|
// by callers to verify object states
|
|
// - encrypted
|
|
// - compressed
|
|
func (es *erasureSingle) GetMultipartInfo(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (MultipartInfo, error) {
|
|
if err := checkListPartsArgs(ctx, bucket, object, es); err != nil {
|
|
return MultipartInfo{}, err
|
|
}
|
|
|
|
result := MultipartInfo{
|
|
Bucket: bucket,
|
|
Object: object,
|
|
UploadID: uploadID,
|
|
}
|
|
|
|
uploadIDLock := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
lkctx, err := uploadIDLock.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return MultipartInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer uploadIDLock.RUnlock(lkctx.Cancel)
|
|
|
|
if err := es.checkUploadIDExists(ctx, bucket, object, uploadID); err != nil {
|
|
return result, toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
partsMetadata, errs := readAllFileInfo(ctx, storageDisks, minioMetaMultipartBucket, uploadIDPath, opts.VersionID, false)
|
|
|
|
// get Quorum for this object
|
|
readQuorum, _, err := objectQuorumFromMeta(ctx, partsMetadata, errs, 0)
|
|
if err != nil {
|
|
return result, toObjectErr(err, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
reducedErr := reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum)
|
|
if reducedErr == errErasureReadQuorum {
|
|
return result, toObjectErr(reducedErr, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
_, modTime := listOnlineDisks(storageDisks, partsMetadata, errs)
|
|
|
|
// Pick one from the first valid metadata.
|
|
fi, err := pickValidFileInfo(ctx, partsMetadata, modTime, readQuorum)
|
|
if err != nil {
|
|
return result, err
|
|
}
|
|
|
|
result.UserDefined = cloneMSS(fi.Metadata)
|
|
return result, nil
|
|
}
|
|
|
|
// ListObjectParts - lists all previously uploaded parts for a given
|
|
// object and uploadID. Takes additional input of part-number-marker
|
|
// to indicate where the listing should begin from.
|
|
//
|
|
// Implements S3 compatible ListObjectParts API. The resulting
|
|
// ListPartsInfo structure is marshaled directly into XML and
|
|
// replied back to the client.
|
|
func (es *erasureSingle) ListObjectParts(ctx context.Context, bucket, object, uploadID string, partNumberMarker, maxParts int, opts ObjectOptions) (result ListPartsInfo, err error) {
|
|
if err := checkListPartsArgs(ctx, bucket, object, es); err != nil {
|
|
return ListPartsInfo{}, err
|
|
}
|
|
|
|
uploadIDLock := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
lkctx, err := uploadIDLock.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return ListPartsInfo{}, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer uploadIDLock.RUnlock(lkctx.Cancel)
|
|
|
|
if err := es.checkUploadIDExists(ctx, bucket, object, uploadID); err != nil {
|
|
return result, toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
partsMetadata, errs := readAllFileInfo(ctx, storageDisks, minioMetaMultipartBucket, uploadIDPath, "", false)
|
|
|
|
// get Quorum for this object
|
|
_, writeQuorum, err := objectQuorumFromMeta(ctx, partsMetadata, errs, 0)
|
|
if err != nil {
|
|
return result, toObjectErr(err, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
reducedErr := reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
|
|
if reducedErr == errErasureWriteQuorum {
|
|
return result, toObjectErr(reducedErr, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
_, modTime := listOnlineDisks(storageDisks, partsMetadata, errs)
|
|
|
|
// Pick one from the first valid metadata.
|
|
fi, err := pickValidFileInfo(ctx, partsMetadata, modTime, writeQuorum)
|
|
if err != nil {
|
|
return result, err
|
|
}
|
|
|
|
// Populate the result stub.
|
|
result.Bucket = bucket
|
|
result.Object = object
|
|
result.UploadID = uploadID
|
|
result.MaxParts = maxParts
|
|
result.PartNumberMarker = partNumberMarker
|
|
result.UserDefined = cloneMSS(fi.Metadata)
|
|
result.ChecksumAlgorithm = fi.Metadata[hash.MinIOMultipartChecksum]
|
|
|
|
// For empty number of parts or maxParts as zero, return right here.
|
|
if len(fi.Parts) == 0 || maxParts == 0 {
|
|
return result, nil
|
|
}
|
|
|
|
// Limit output to maxPartsList.
|
|
if maxParts > maxPartsList {
|
|
maxParts = maxPartsList
|
|
}
|
|
|
|
// Only parts with higher part numbers will be listed.
|
|
partIdx := objectPartIndex(fi.Parts, partNumberMarker)
|
|
parts := fi.Parts
|
|
if partIdx != -1 {
|
|
parts = fi.Parts[partIdx+1:]
|
|
}
|
|
count := maxParts
|
|
for _, part := range parts {
|
|
result.Parts = append(result.Parts, PartInfo{
|
|
PartNumber: part.Number,
|
|
ETag: part.ETag,
|
|
LastModified: fi.ModTime,
|
|
ActualSize: part.ActualSize,
|
|
Size: part.Size,
|
|
ChecksumCRC32: part.Checksums["CRC32"],
|
|
ChecksumCRC32C: part.Checksums["CRC32C"],
|
|
ChecksumSHA1: part.Checksums["SHA1"],
|
|
ChecksumSHA256: part.Checksums["SHA256"],
|
|
})
|
|
count--
|
|
if count == 0 {
|
|
break
|
|
}
|
|
}
|
|
// If listed entries are more than maxParts, we set IsTruncated as true.
|
|
if len(parts) > len(result.Parts) {
|
|
result.IsTruncated = true
|
|
// Make sure to fill next part number marker if IsTruncated is
|
|
// true for subsequent listing.
|
|
nextPartNumberMarker := result.Parts[len(result.Parts)-1].PartNumber
|
|
result.NextPartNumberMarker = nextPartNumberMarker
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
// CompleteMultipartUpload - completes an ongoing multipart
|
|
// transaction after receiving all the parts indicated by the client.
|
|
// Returns an md5sum calculated by concatenating all the individual
|
|
// md5sums of all the parts.
|
|
//
|
|
// Implements S3 compatible Complete multipart API.
|
|
func (es *erasureSingle) CompleteMultipartUpload(ctx context.Context, bucket string, object string, uploadID string, parts []CompletePart, opts ObjectOptions) (oi ObjectInfo, err error) {
|
|
if err = checkCompleteMultipartArgs(ctx, bucket, object, es); err != nil {
|
|
return oi, err
|
|
}
|
|
|
|
// Hold read-locks to verify uploaded parts, also disallows
|
|
// parallel part uploads as well.
|
|
uploadIDLock := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
rlkctx, err := uploadIDLock.GetRLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return oi, err
|
|
}
|
|
rctx := rlkctx.Context()
|
|
defer uploadIDLock.RUnlock(rlkctx.Cancel)
|
|
|
|
if err = es.checkUploadIDExists(rctx, bucket, object, uploadID); err != nil {
|
|
return oi, toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
uploadIDPath := es.getUploadIDDir(bucket, object, uploadID)
|
|
|
|
storageDisks := []StorageAPI{es.disk}
|
|
|
|
// Read metadata associated with the object from all disks.
|
|
partsMetadata, errs := readAllFileInfo(rctx, storageDisks, minioMetaMultipartBucket, uploadIDPath, "", false)
|
|
|
|
// get Quorum for this object
|
|
_, writeQuorum, err := objectQuorumFromMeta(rctx, partsMetadata, errs, 0)
|
|
if err != nil {
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
reducedErr := reduceWriteQuorumErrs(rctx, errs, objectOpIgnoredErrs, writeQuorum)
|
|
if reducedErr == errErasureWriteQuorum {
|
|
return oi, toObjectErr(reducedErr, bucket, object)
|
|
}
|
|
|
|
onlineDisks, modTime := listOnlineDisks(storageDisks, partsMetadata, errs)
|
|
|
|
// Pick one from the first valid metadata.
|
|
fi, err := pickValidFileInfo(rctx, partsMetadata, modTime, writeQuorum)
|
|
if err != nil {
|
|
return oi, err
|
|
}
|
|
|
|
// Checksum type set when upload started.
|
|
var checksumType hash.ChecksumType
|
|
if cs := fi.Metadata[hash.MinIOMultipartChecksum]; cs != "" {
|
|
checksumType = hash.NewChecksumType(cs)
|
|
if opts.WantChecksum != nil && !opts.WantChecksum.Type.Is(checksumType) {
|
|
return oi, InvalidArgument{
|
|
Bucket: bucket,
|
|
Object: fi.Name,
|
|
Err: fmt.Errorf("checksum type mismatch"),
|
|
}
|
|
}
|
|
}
|
|
|
|
var checksumCombined []byte
|
|
|
|
// However, in case of encryption, the persisted part ETags don't match
|
|
// what we have sent to the client during PutObjectPart. The reason is
|
|
// that ETags are encrypted. Hence, the client will send a list of complete
|
|
// part ETags of which non can match the ETag of any part. For example
|
|
// ETag (client): 30902184f4e62dd8f98f0aaff810c626
|
|
// ETag (server-internal): 20000f00ce5dc16e3f3b124f586ae1d88e9caa1c598415c2759bbb50e84a59f630902184f4e62dd8f98f0aaff810c626
|
|
//
|
|
// Therefore, we adjust all ETags sent by the client to match what is stored
|
|
// on the backend.
|
|
kind, isEncrypted := crypto.IsEncrypted(fi.Metadata)
|
|
|
|
var objectEncryptionKey []byte
|
|
if isEncrypted && kind == crypto.S3 {
|
|
objectEncryptionKey, err = decryptObjectMeta(nil, bucket, object, fi.Metadata)
|
|
if err != nil {
|
|
return oi, err
|
|
}
|
|
}
|
|
|
|
// Calculate full object size.
|
|
var objectSize int64
|
|
|
|
// Calculate consolidated actual size.
|
|
var objectActualSize int64
|
|
|
|
// Order online disks in accordance with distribution order.
|
|
// Order parts metadata in accordance with distribution order.
|
|
onlineDisks, partsMetadata = shuffleDisksAndPartsMetadataByIndex(onlineDisks, partsMetadata, fi)
|
|
|
|
// Save current erasure metadata for validation.
|
|
currentFI := fi
|
|
|
|
// Allocate parts similar to incoming slice.
|
|
fi.Parts = make([]ObjectPartInfo, len(parts))
|
|
|
|
// Validate each part and then commit to disk.
|
|
for i, part := range parts {
|
|
partIdx := objectPartIndex(currentFI.Parts, part.PartNumber)
|
|
// All parts should have same part number.
|
|
if partIdx == -1 {
|
|
invp := InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
GotETag: part.ETag,
|
|
}
|
|
return oi, invp
|
|
}
|
|
expPart := currentFI.Parts[partIdx]
|
|
|
|
// ensure that part ETag is canonicalized to strip off extraneous quotes
|
|
part.ETag = canonicalizeETag(part.ETag)
|
|
expETag := tryDecryptETag(objectEncryptionKey, currentFI.Parts[partIdx].ETag, kind != crypto.S3)
|
|
if expETag != part.ETag {
|
|
invp := InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
ExpETag: expETag,
|
|
GotETag: part.ETag,
|
|
}
|
|
return oi, invp
|
|
}
|
|
|
|
if checksumType.IsSet() {
|
|
crc := expPart.Checksums[checksumType.String()]
|
|
if crc == "" {
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
}
|
|
}
|
|
wantCS := map[string]string{
|
|
hash.ChecksumCRC32.String(): part.ChecksumCRC32,
|
|
hash.ChecksumCRC32C.String(): part.ChecksumCRC32C,
|
|
hash.ChecksumSHA1.String(): part.ChecksumSHA1,
|
|
hash.ChecksumSHA256.String(): part.ChecksumSHA256,
|
|
}
|
|
if wantCS[checksumType.String()] != crc {
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
ExpETag: wantCS[checksumType.String()],
|
|
GotETag: crc,
|
|
}
|
|
}
|
|
cs := hash.NewChecksumString(checksumType.String(), crc)
|
|
if !cs.Valid() {
|
|
return oi, InvalidPart{
|
|
PartNumber: part.PartNumber,
|
|
}
|
|
}
|
|
checksumCombined = append(checksumCombined, cs.Raw...)
|
|
}
|
|
|
|
// All parts except the last part has to be atleast 5MB.
|
|
if (i < len(parts)-1) && !isMinAllowedPartSize(currentFI.Parts[partIdx].ActualSize) {
|
|
return oi, PartTooSmall{
|
|
PartNumber: part.PartNumber,
|
|
PartSize: expPart.ActualSize,
|
|
PartETag: part.ETag,
|
|
}
|
|
}
|
|
|
|
// Save for total object size.
|
|
objectSize += expPart.Size
|
|
|
|
// Save the consolidated actual size.
|
|
objectActualSize += expPart.ActualSize
|
|
|
|
// Add incoming parts.
|
|
fi.Parts[i] = ObjectPartInfo{
|
|
Number: part.PartNumber,
|
|
Size: expPart.Size,
|
|
ActualSize: expPart.ActualSize,
|
|
ModTime: expPart.ModTime,
|
|
Index: expPart.Index,
|
|
Checksums: nil, // Not transferred since we do not need it.
|
|
}
|
|
}
|
|
|
|
// Save the final object size and modtime.
|
|
fi.Size = objectSize
|
|
fi.ModTime = opts.MTime
|
|
if opts.MTime.IsZero() {
|
|
fi.ModTime = UTCNow()
|
|
}
|
|
|
|
// Save successfully calculated md5sum.
|
|
fi.Metadata["etag"] = opts.UserDefined["etag"]
|
|
if fi.Metadata["etag"] == "" {
|
|
fi.Metadata["etag"] = getCompleteMultipartMD5(parts)
|
|
}
|
|
|
|
// Save the consolidated actual size.
|
|
fi.Metadata[ReservedMetadataPrefix+"actual-size"] = strconv.FormatInt(objectActualSize, 10)
|
|
|
|
// Update all erasure metadata, make sure to not modify fields like
|
|
// checksum which are different on each disks.
|
|
for index := range partsMetadata {
|
|
if partsMetadata[index].IsValid() {
|
|
partsMetadata[index].Size = fi.Size
|
|
partsMetadata[index].ModTime = fi.ModTime
|
|
partsMetadata[index].Metadata = fi.Metadata
|
|
partsMetadata[index].Parts = fi.Parts
|
|
}
|
|
}
|
|
|
|
// Hold namespace to complete the transaction
|
|
lk := es.NewNSLock(bucket, object)
|
|
lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return oi, err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
|
|
// Write final `xl.meta` at uploadID location
|
|
onlineDisks, err = writeUniqueFileInfo(ctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath, partsMetadata, writeQuorum)
|
|
if err != nil {
|
|
return oi, toObjectErr(err, minioMetaMultipartBucket, uploadIDPath)
|
|
}
|
|
|
|
// Remove parts that weren't present in CompleteMultipartUpload request.
|
|
for _, curpart := range currentFI.Parts {
|
|
if objectPartIndex(fi.Parts, curpart.Number) == -1 {
|
|
// Delete the missing part files. e.g,
|
|
// Request 1: NewMultipart
|
|
// Request 2: PutObjectPart 1
|
|
// Request 3: PutObjectPart 2
|
|
// Request 4: CompleteMultipartUpload --part 2
|
|
// N.B. 1st part is not present. This part should be removed from the storage.
|
|
es.removeObjectPart(bucket, object, uploadID, fi.DataDir, curpart.Number)
|
|
}
|
|
}
|
|
|
|
// Rename the multipart object to final location.
|
|
if onlineDisks, err = renameData(ctx, onlineDisks, minioMetaMultipartBucket, uploadIDPath,
|
|
partsMetadata, bucket, object, writeQuorum); err != nil {
|
|
return oi, toObjectErr(err, bucket, object)
|
|
}
|
|
|
|
defer NSUpdated(bucket, object)
|
|
|
|
for i := 0; i < len(onlineDisks); i++ {
|
|
if onlineDisks[i] != nil && onlineDisks[i].IsOnline() {
|
|
// Object info is the same in all disks, so we can pick
|
|
// the first meta from online disk
|
|
fi = partsMetadata[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
// we are adding a new version to this object under the namespace lock, so this is the latest version.
|
|
fi.IsLatest = true
|
|
|
|
// Success, return object info.
|
|
return fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended), nil
|
|
}
|
|
|
|
// AbortMultipartUpload - aborts an ongoing multipart operation
|
|
// signified by the input uploadID. This is an atomic operation
|
|
// doesn't require clients to initiate multiple such requests.
|
|
//
|
|
// All parts are purged from all disks and reference to the uploadID
|
|
// would be removed from the system, rollback is not possible on this
|
|
// operation.
|
|
func (es *erasureSingle) AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string, opts ObjectOptions) (err error) {
|
|
if err = checkAbortMultipartArgs(ctx, bucket, object, es); err != nil {
|
|
return err
|
|
}
|
|
|
|
lk := es.NewNSLock(bucket, pathJoin(object, uploadID))
|
|
lkctx, err := lk.GetLock(ctx, globalOperationTimeout)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ctx = lkctx.Context()
|
|
defer lk.Unlock(lkctx.Cancel)
|
|
|
|
// Validates if upload ID exists.
|
|
if err := es.checkUploadIDExists(ctx, bucket, object, uploadID); err != nil {
|
|
return toObjectErr(err, bucket, object, uploadID)
|
|
}
|
|
|
|
// Cleanup all uploaded parts.
|
|
es.disk.RenameFile(ctx, minioMetaMultipartBucket, es.getUploadIDDir(bucket, object, uploadID), minioMetaTmpDeletedBucket, mustGetUUID())
|
|
|
|
// Successfully purged.
|
|
return nil
|
|
}
|
|
|
|
func (es *erasureSingle) ListObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error) {
|
|
var loi ListObjectsInfo
|
|
|
|
opts := listPathOptions{
|
|
Bucket: bucket,
|
|
Prefix: prefix,
|
|
Separator: delimiter,
|
|
Limit: maxKeysPlusOne(maxKeys, marker != ""),
|
|
Marker: marker,
|
|
InclDeleted: false,
|
|
AskDisks: globalAPIConfig.getListQuorum(),
|
|
}
|
|
opts.setBucketMeta(ctx)
|
|
|
|
if len(prefix) > 0 && maxKeys == 1 && delimiter == "" && marker == "" {
|
|
// Optimization for certain applications like
|
|
// - Cohesity
|
|
// - Actifio, Splunk etc.
|
|
// which send ListObjects requests where the actual object
|
|
// itself is the prefix and max-keys=1 in such scenarios
|
|
// we can simply verify locally if such an object exists
|
|
// to avoid the need for ListObjects().
|
|
objInfo, err := es.GetObjectInfo(ctx, bucket, prefix, ObjectOptions{NoLock: true})
|
|
if err == nil {
|
|
if opts.Lifecycle != nil {
|
|
evt := evalActionFromLifecycle(ctx, *opts.Lifecycle, opts.Retention, objInfo)
|
|
switch evt.Action {
|
|
case lifecycle.DeleteVersionAction, lifecycle.DeleteAction:
|
|
fallthrough
|
|
case lifecycle.DeleteRestoredAction, lifecycle.DeleteRestoredVersionAction:
|
|
return loi, nil
|
|
}
|
|
}
|
|
loi.Objects = append(loi.Objects, objInfo)
|
|
return loi, nil
|
|
}
|
|
}
|
|
|
|
merged, err := es.listPath(ctx, &opts)
|
|
if err != nil && err != io.EOF {
|
|
if !isErrBucketNotFound(err) {
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
return loi, err
|
|
}
|
|
|
|
merged.forwardPast(opts.Marker)
|
|
defer merged.truncate(0) // Release when returning
|
|
|
|
// Default is recursive, if delimiter is set then list non recursive.
|
|
objects := merged.fileInfos(bucket, prefix, delimiter)
|
|
loi.IsTruncated = err == nil && len(objects) > 0
|
|
if maxKeys > 0 && len(objects) > maxKeys {
|
|
objects = objects[:maxKeys]
|
|
loi.IsTruncated = true
|
|
}
|
|
for _, obj := range objects {
|
|
if obj.IsDir && obj.ModTime.IsZero() && delimiter != "" {
|
|
loi.Prefixes = append(loi.Prefixes, obj.Name)
|
|
} else {
|
|
loi.Objects = append(loi.Objects, obj)
|
|
}
|
|
}
|
|
if loi.IsTruncated {
|
|
last := objects[len(objects)-1]
|
|
loi.NextMarker = opts.encodeMarker(last.Name)
|
|
}
|
|
return loi, nil
|
|
}
|
|
|
|
func (es *erasureSingle) ListObjectsV2(ctx context.Context, bucket, prefix, continuationToken, delimiter string, maxKeys int, fetchOwner bool, startAfter string) (ListObjectsV2Info, error) {
|
|
marker := continuationToken
|
|
if marker == "" {
|
|
marker = startAfter
|
|
}
|
|
|
|
loi, err := es.ListObjects(ctx, bucket, prefix, marker, delimiter, maxKeys)
|
|
if err != nil {
|
|
return ListObjectsV2Info{}, err
|
|
}
|
|
|
|
listObjectsV2Info := ListObjectsV2Info{
|
|
IsTruncated: loi.IsTruncated,
|
|
ContinuationToken: continuationToken,
|
|
NextContinuationToken: loi.NextMarker,
|
|
Objects: loi.Objects,
|
|
Prefixes: loi.Prefixes,
|
|
}
|
|
return listObjectsV2Info, err
|
|
}
|
|
|
|
func (es *erasureSingle) ListObjectVersions(ctx context.Context, bucket, prefix, marker, versionMarker, delimiter string, maxKeys int) (ListObjectVersionsInfo, error) {
|
|
loi := ListObjectVersionsInfo{}
|
|
if marker == "" && versionMarker != "" {
|
|
return loi, NotImplemented{}
|
|
}
|
|
opts := listPathOptions{
|
|
Bucket: bucket,
|
|
Prefix: prefix,
|
|
Separator: delimiter,
|
|
Limit: maxKeysPlusOne(maxKeys, marker != ""),
|
|
Marker: marker,
|
|
InclDeleted: true,
|
|
AskDisks: "strict",
|
|
Versioned: true,
|
|
}
|
|
opts.setBucketMeta(ctx)
|
|
|
|
merged, err := es.listPath(ctx, &opts)
|
|
if err != nil && err != io.EOF {
|
|
return loi, err
|
|
}
|
|
defer merged.truncate(0) // Release when returning
|
|
if versionMarker == "" {
|
|
o := listPathOptions{Marker: marker}
|
|
// If we are not looking for a specific version skip it.
|
|
|
|
o.parseMarker()
|
|
merged.forwardPast(o.Marker)
|
|
}
|
|
objects := merged.fileInfoVersions(bucket, prefix, delimiter, versionMarker)
|
|
loi.IsTruncated = err == nil && len(objects) > 0
|
|
if maxKeys > 0 && len(objects) > maxKeys {
|
|
objects = objects[:maxKeys]
|
|
loi.IsTruncated = true
|
|
}
|
|
for _, obj := range objects {
|
|
if obj.IsDir && obj.ModTime.IsZero() && delimiter != "" {
|
|
loi.Prefixes = append(loi.Prefixes, obj.Name)
|
|
} else {
|
|
loi.Objects = append(loi.Objects, obj)
|
|
}
|
|
}
|
|
if loi.IsTruncated {
|
|
last := objects[len(objects)-1]
|
|
loi.NextMarker = opts.encodeMarker(last.Name)
|
|
loi.NextVersionIDMarker = last.VersionID
|
|
}
|
|
return loi, nil
|
|
}
|
|
|
|
// Walk a bucket, optionally prefix recursively, until we have returned
|
|
// all the content to objectInfo channel, it is callers responsibility
|
|
// to allocate a receive channel for ObjectInfo, upon any unhandled
|
|
// error walker returns error. Optionally if context.Done() is received
|
|
// then Walk() stops the walker.
|
|
func (es *erasureSingle) Walk(ctx context.Context, bucket, prefix string, results chan<- ObjectInfo, opts ObjectOptions) error {
|
|
if err := checkListObjsArgs(ctx, bucket, prefix, "", es); err != nil {
|
|
// Upon error close the channel.
|
|
close(results)
|
|
return err
|
|
}
|
|
|
|
vcfg, _ := globalBucketVersioningSys.Get(bucket)
|
|
|
|
ctx, cancel := context.WithCancel(ctx)
|
|
go func() {
|
|
defer cancel()
|
|
defer close(results)
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
loadEntry := func(entry metaCacheEntry) {
|
|
if entry.isDir() {
|
|
return
|
|
}
|
|
|
|
fivs, err := entry.fileInfoVersions(bucket)
|
|
if err != nil {
|
|
cancel()
|
|
return
|
|
}
|
|
|
|
versionsSorter(fivs.Versions).reverse()
|
|
|
|
for _, version := range fivs.Versions {
|
|
send := true
|
|
if opts.WalkFilter != nil && !opts.WalkFilter(version) {
|
|
send = false
|
|
}
|
|
|
|
if !send {
|
|
continue
|
|
}
|
|
|
|
versioned := vcfg != nil && vcfg.Versioned(version.Name)
|
|
objInfo := version.ToObjectInfo(bucket, version.Name, versioned)
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case results <- objInfo:
|
|
}
|
|
}
|
|
}
|
|
|
|
// How to resolve partial results.
|
|
resolver := metadataResolutionParams{
|
|
dirQuorum: 1,
|
|
objQuorum: 1,
|
|
bucket: bucket,
|
|
}
|
|
|
|
path := baseDirFromPrefix(prefix)
|
|
filterPrefix := strings.Trim(strings.TrimPrefix(prefix, path), slashSeparator)
|
|
if path == prefix {
|
|
filterPrefix = ""
|
|
}
|
|
|
|
lopts := listPathRawOptions{
|
|
disks: []StorageAPI{es.disk},
|
|
bucket: bucket,
|
|
path: path,
|
|
filterPrefix: filterPrefix,
|
|
recursive: true,
|
|
forwardTo: opts.WalkMarker,
|
|
minDisks: 1,
|
|
reportNotFound: false,
|
|
agreed: loadEntry,
|
|
partial: func(entries metaCacheEntries, _ []error) {
|
|
entry, ok := entries.resolve(&resolver)
|
|
if !ok {
|
|
// check if we can get one entry atleast
|
|
// proceed to heal nonetheless.
|
|
entry, _ = entries.firstFound()
|
|
}
|
|
|
|
loadEntry(*entry)
|
|
},
|
|
finished: nil,
|
|
}
|
|
|
|
if err := listPathRaw(ctx, lopts); err != nil {
|
|
logger.LogIf(ctx, fmt.Errorf("listPathRaw returned %w: opts(%#v)", err, lopts))
|
|
cancel()
|
|
return
|
|
}
|
|
}()
|
|
wg.Wait()
|
|
}()
|
|
|
|
return nil
|
|
}
|
|
|
|
// Health - returns current status of the object layer health, for single drive
|
|
// its as simple as returning healthy as long as drive is accessible.
|
|
func (es *erasureSingle) Health(ctx context.Context, opts HealthOptions) HealthResult {
|
|
_, err := es.disk.DiskInfo(ctx)
|
|
if err != nil {
|
|
return HealthResult{}
|
|
}
|
|
if opts.Maintenance {
|
|
// Single drive cannot be put under maintenance.
|
|
return HealthResult{
|
|
Healthy: false,
|
|
WriteQuorum: 1,
|
|
}
|
|
}
|
|
return HealthResult{
|
|
Healthy: true,
|
|
WriteQuorum: 1,
|
|
}
|
|
}
|
|
|
|
// ReadHealth - returns current status of the object layer health for reads,
|
|
// for single drive its as simple as returning healthy as long as drive is accessible.
|
|
func (es *erasureSingle) ReadHealth(ctx context.Context) bool {
|
|
res := es.Health(ctx, HealthOptions{})
|
|
return res.Healthy
|
|
}
|
|
|
|
// nsScanner will start scanning buckets and send updated totals as they are traversed.
|
|
// Updates are sent on a regular basis and the caller *must* consume them.
|
|
func (es *erasureSingle) nsScanner(ctx context.Context, buckets []BucketInfo, bf *bloomFilter, wantCycle uint32, updates chan<- dataUsageCache, healScanMode madmin.HealScanMode) error {
|
|
if len(buckets) == 0 {
|
|
return nil
|
|
}
|
|
|
|
// Collect disks we can use.
|
|
disks := []StorageAPI{es.disk}
|
|
|
|
// Load bucket totals
|
|
oldCache := dataUsageCache{}
|
|
if err := oldCache.load(ctx, es, dataUsageCacheName); err != nil {
|
|
return err
|
|
}
|
|
|
|
// New cache..
|
|
cache := dataUsageCache{
|
|
Info: dataUsageCacheInfo{
|
|
Name: dataUsageRoot,
|
|
NextCycle: oldCache.Info.NextCycle,
|
|
},
|
|
Cache: make(map[string]dataUsageEntry, len(oldCache.Cache)),
|
|
}
|
|
bloom := bf.bytes()
|
|
|
|
// Put all buckets into channel.
|
|
bucketCh := make(chan BucketInfo, len(buckets))
|
|
// Add new buckets first
|
|
for _, b := range buckets {
|
|
if oldCache.find(b.Name) == nil {
|
|
bucketCh <- b
|
|
}
|
|
}
|
|
|
|
// Add existing buckets.
|
|
for _, b := range buckets {
|
|
e := oldCache.find(b.Name)
|
|
if e != nil {
|
|
cache.replace(b.Name, dataUsageRoot, *e)
|
|
bucketCh <- b
|
|
}
|
|
}
|
|
|
|
close(bucketCh)
|
|
bucketResults := make(chan dataUsageEntryInfo, len(disks))
|
|
|
|
// Start async collector/saver.
|
|
// This goroutine owns the cache.
|
|
var saverWg sync.WaitGroup
|
|
saverWg.Add(1)
|
|
go func() {
|
|
// Add jitter to the update time so multiple sets don't sync up.
|
|
updateTime := 30*time.Second + time.Duration(float64(10*time.Second)*rand.Float64())
|
|
t := time.NewTicker(updateTime)
|
|
defer t.Stop()
|
|
defer saverWg.Done()
|
|
var lastSave time.Time
|
|
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
// Return without saving.
|
|
return
|
|
case <-t.C:
|
|
if cache.Info.LastUpdate.Equal(lastSave) {
|
|
continue
|
|
}
|
|
logger.LogIf(ctx, cache.save(ctx, es, dataUsageCacheName))
|
|
updates <- cache.clone()
|
|
lastSave = cache.Info.LastUpdate
|
|
case v, ok := <-bucketResults:
|
|
if !ok {
|
|
// Save final state...
|
|
cache.Info.NextCycle = wantCycle
|
|
cache.Info.LastUpdate = time.Now()
|
|
logger.LogIf(ctx, cache.save(ctx, es, dataUsageCacheName))
|
|
updates <- cache
|
|
return
|
|
}
|
|
cache.replace(v.Name, v.Parent, v.Entry)
|
|
cache.Info.LastUpdate = time.Now()
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Shuffle disks to ensure a total randomness of bucket/disk association to ensure
|
|
// that objects that are not present in all disks are accounted and ILM applied.
|
|
r := rand.New(rand.NewSource(time.Now().UnixNano()))
|
|
r.Shuffle(len(disks), func(i, j int) { disks[i], disks[j] = disks[j], disks[i] })
|
|
|
|
// Start one scanner per disk
|
|
var wg sync.WaitGroup
|
|
wg.Add(len(disks))
|
|
for i := range disks {
|
|
go func(i int) {
|
|
defer wg.Done()
|
|
disk := disks[i]
|
|
|
|
for bucket := range bucketCh {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
default:
|
|
}
|
|
|
|
// Load cache for bucket
|
|
cacheName := pathJoin(bucket.Name, dataUsageCacheName)
|
|
cache := dataUsageCache{}
|
|
logger.LogIf(ctx, cache.load(ctx, es, cacheName))
|
|
if cache.Info.Name == "" {
|
|
cache.Info.Name = bucket.Name
|
|
}
|
|
cache.Info.BloomFilter = bloom
|
|
cache.Info.SkipHealing = true
|
|
cache.Info.NextCycle = wantCycle
|
|
if cache.Info.Name != bucket.Name {
|
|
logger.LogIf(ctx, fmt.Errorf("cache name mismatch: %s != %s", cache.Info.Name, bucket.Name))
|
|
cache.Info = dataUsageCacheInfo{
|
|
Name: bucket.Name,
|
|
LastUpdate: time.Time{},
|
|
NextCycle: wantCycle,
|
|
}
|
|
}
|
|
// Collect updates.
|
|
updates := make(chan dataUsageEntry, 1)
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
go func(name string) {
|
|
defer wg.Done()
|
|
for update := range updates {
|
|
bucketResults <- dataUsageEntryInfo{
|
|
Name: name,
|
|
Parent: dataUsageRoot,
|
|
Entry: update,
|
|
}
|
|
}
|
|
}(cache.Info.Name)
|
|
// Calc usage
|
|
before := cache.Info.LastUpdate
|
|
var err error
|
|
cache, err = disk.NSScanner(ctx, cache, updates, healScanMode)
|
|
cache.Info.BloomFilter = nil
|
|
if err != nil {
|
|
if !cache.Info.LastUpdate.IsZero() && cache.Info.LastUpdate.After(before) {
|
|
logger.LogIf(ctx, cache.save(ctx, es, cacheName))
|
|
} else {
|
|
logger.LogIf(ctx, err)
|
|
}
|
|
// This ensures that we don't close
|
|
// bucketResults channel while the
|
|
// updates-collector goroutine still
|
|
// holds a reference to this.
|
|
wg.Wait()
|
|
continue
|
|
}
|
|
|
|
wg.Wait()
|
|
var root dataUsageEntry
|
|
if r := cache.root(); r != nil {
|
|
root = cache.flatten(*r)
|
|
}
|
|
t := time.Now()
|
|
bucketResults <- dataUsageEntryInfo{
|
|
Name: cache.Info.Name,
|
|
Parent: dataUsageRoot,
|
|
Entry: root,
|
|
}
|
|
// We want to avoid synchronizing up all writes in case
|
|
// the results are piled up.
|
|
time.Sleep(time.Duration(float64(time.Since(t)) * rand.Float64()))
|
|
// Save cache
|
|
logger.LogIf(ctx, cache.save(ctx, es, cacheName))
|
|
}
|
|
}(i)
|
|
}
|
|
wg.Wait()
|
|
close(bucketResults)
|
|
saverWg.Wait()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (es *erasureSingle) NSScanner(ctx context.Context, bf *bloomFilter, updates chan<- DataUsageInfo, wantCycle uint32, healScanMode madmin.HealScanMode) error {
|
|
// Updates must be closed before we return.
|
|
defer close(updates)
|
|
|
|
ctx, cancel := context.WithCancel(ctx)
|
|
defer cancel()
|
|
|
|
var wg sync.WaitGroup
|
|
var mu sync.Mutex
|
|
results := make([]dataUsageCache, 1)
|
|
var firstErr error
|
|
|
|
allBuckets, err := es.ListBuckets(ctx, BucketOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if len(allBuckets) == 0 {
|
|
updates <- DataUsageInfo{} // no buckets found update data usage to reflect latest state
|
|
return nil
|
|
}
|
|
|
|
// Scanner latest allBuckets first.
|
|
sort.Slice(allBuckets, func(i, j int) bool {
|
|
return allBuckets[i].Created.After(allBuckets[j].Created)
|
|
})
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
updates := make(chan dataUsageCache, 1)
|
|
defer close(updates)
|
|
// Start update collector.
|
|
go func() {
|
|
defer wg.Done()
|
|
for info := range updates {
|
|
mu.Lock()
|
|
results[0] = info
|
|
mu.Unlock()
|
|
}
|
|
}()
|
|
|
|
// Start scanner. Blocks until done.
|
|
err := es.nsScanner(ctx, allBuckets, bf, wantCycle, updates, healScanMode)
|
|
if err != nil {
|
|
logger.LogIf(ctx, err)
|
|
mu.Lock()
|
|
if firstErr == nil {
|
|
firstErr = err
|
|
}
|
|
// Cancel remaining...
|
|
cancel()
|
|
mu.Unlock()
|
|
return
|
|
}
|
|
}()
|
|
|
|
updateCloser := make(chan chan struct{})
|
|
go func() {
|
|
updateTicker := time.NewTicker(30 * time.Second)
|
|
defer updateTicker.Stop()
|
|
var lastUpdate time.Time
|
|
|
|
// We need to merge since we will get the same buckets from each pool.
|
|
// Therefore to get the exact bucket sizes we must merge before we can convert.
|
|
var allMerged dataUsageCache
|
|
|
|
update := func() {
|
|
mu.Lock()
|
|
defer mu.Unlock()
|
|
|
|
allMerged = dataUsageCache{Info: dataUsageCacheInfo{Name: dataUsageRoot}}
|
|
for _, info := range results {
|
|
if info.Info.LastUpdate.IsZero() {
|
|
// Not filled yet.
|
|
return
|
|
}
|
|
allMerged.merge(info)
|
|
}
|
|
if allMerged.root() != nil && allMerged.Info.LastUpdate.After(lastUpdate) {
|
|
updates <- allMerged.dui(allMerged.Info.Name, allBuckets)
|
|
lastUpdate = allMerged.Info.LastUpdate
|
|
}
|
|
}
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case v := <-updateCloser:
|
|
update()
|
|
close(v)
|
|
return
|
|
case <-updateTicker.C:
|
|
update()
|
|
}
|
|
}
|
|
}()
|
|
|
|
wg.Wait()
|
|
ch := make(chan struct{})
|
|
select {
|
|
case updateCloser <- ch:
|
|
<-ch
|
|
case <-ctx.Done():
|
|
if firstErr == nil {
|
|
firstErr = ctx.Err()
|
|
}
|
|
}
|
|
return firstErr
|
|
}
|
|
|
|
// GetRawData will return all files with a given raw path to the callback.
|
|
// Errors are ignored, only errors from the callback are returned.
|
|
// For now only direct file paths are supported.
|
|
func (es *erasureSingle) GetRawData(ctx context.Context, volume, file string, fn func(r io.Reader, host string, disk string, filename string, info StatInfo) error) error {
|
|
found := 0
|
|
stats, err := es.disk.StatInfoFile(ctx, volume, file, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for _, si := range stats {
|
|
found++
|
|
var r io.ReadCloser
|
|
if !si.Dir {
|
|
r, err = es.disk.ReadFileStream(ctx, volume, si.Name, 0, si.Size)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
} else {
|
|
r = io.NopCloser(bytes.NewBuffer([]byte{}))
|
|
}
|
|
// Keep disk path instead of ID, to ensure that the downloaded zip file can be
|
|
// easily automated with `minio server hostname{1...n}/disk{1...m}`.
|
|
err = fn(r, es.disk.Hostname(), es.disk.Endpoint().Path, pathJoin(volume, si.Name), si)
|
|
r.Close()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if found == 0 {
|
|
return errFileNotFound
|
|
}
|
|
|
|
return nil
|
|
}
|