mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
4155c5b695
This PR improves the replication failure healing by persisting most recent failures to disk and re-queuing them until the replication is successful. While this does not eliminate the need for healing during a full scan, queuing MRF vastly improves the ETA to keeping replicated buckets in sync as it does not wait for the scanner visit to detect unreplicated object versions.
769 lines
24 KiB
Go
769 lines
24 KiB
Go
// Copyright (c) 2015-2021 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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"fmt"
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"net/http"
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"net/url"
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"regexp"
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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/minio/madmin-go"
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"github.com/minio/minio/internal/bucket/replication"
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xhttp "github.com/minio/minio/internal/http"
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)
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//go:generate msgp -file=$GOFILE
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// replicatedTargetInfo struct represents replication info on a target
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type replicatedTargetInfo struct {
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Arn string
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Size int64
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Duration time.Duration
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ReplicationAction replicationAction // full or metadata only
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OpType replication.Type // whether incoming replication, existing object, healing etc..
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ReplicationStatus replication.StatusType
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PrevReplicationStatus replication.StatusType
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VersionPurgeStatus VersionPurgeStatusType
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ResyncTimestamp string
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ReplicationResynced bool // true only if resync attempted for this target
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}
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// Empty returns true for a target if arn is empty
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func (rt replicatedTargetInfo) Empty() bool {
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return rt.Arn == ""
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}
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type replicatedInfos struct {
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ReplicationTimeStamp time.Time
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Targets []replicatedTargetInfo
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}
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func (ri replicatedInfos) CompletedSize() (sz int64) {
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for _, t := range ri.Targets {
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if t.Empty() {
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continue
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}
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if t.ReplicationStatus == replication.Completed && t.PrevReplicationStatus != replication.Completed {
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sz += t.Size
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}
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}
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return sz
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}
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// ReplicationAttempted returns true if replication was attempted on any of the targets for the object version
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// queued
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func (ri replicatedInfos) ReplicationResynced() bool {
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for _, t := range ri.Targets {
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if t.Empty() || !t.ReplicationResynced {
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continue
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}
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return true
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}
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return false
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}
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func (ri replicatedInfos) ReplicationStatusInternal() string {
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b := new(bytes.Buffer)
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for _, t := range ri.Targets {
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if t.Empty() {
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continue
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}
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fmt.Fprintf(b, "%s=%s;", t.Arn, t.ReplicationStatus.String())
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}
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return b.String()
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}
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func (ri replicatedInfos) ReplicationStatus() replication.StatusType {
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if len(ri.Targets) == 0 {
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return replication.StatusType("")
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}
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completed := 0
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for _, v := range ri.Targets {
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switch v.ReplicationStatus {
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case replication.Failed:
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return replication.Failed
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case replication.Completed:
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completed++
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}
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}
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if completed == len(ri.Targets) {
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return replication.Completed
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}
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return replication.Pending
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}
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func (ri replicatedInfos) VersionPurgeStatus() VersionPurgeStatusType {
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if len(ri.Targets) == 0 {
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return VersionPurgeStatusType("")
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}
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completed := 0
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for _, v := range ri.Targets {
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switch v.VersionPurgeStatus {
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case Failed:
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return Failed
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case Complete:
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completed++
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}
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}
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if completed == len(ri.Targets) {
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return Complete
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}
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return Pending
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}
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func (ri replicatedInfos) VersionPurgeStatusInternal() string {
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b := new(bytes.Buffer)
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for _, t := range ri.Targets {
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if t.Empty() {
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continue
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}
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if t.VersionPurgeStatus.Empty() {
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continue
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}
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fmt.Fprintf(b, "%s=%s;", t.Arn, t.VersionPurgeStatus)
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}
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return b.String()
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}
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func (ri replicatedInfos) Action() replicationAction {
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for _, t := range ri.Targets {
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if t.Empty() {
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continue
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}
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// rely on replication action from target that actually performed replication now.
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if t.PrevReplicationStatus != replication.Completed {
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return t.ReplicationAction
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}
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}
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return replicateNone
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}
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var replStatusRegex = regexp.MustCompile(`([^=].*?)=([^,].*?);`)
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// TargetReplicationStatus - returns replication status of a target
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func (o *ObjectInfo) TargetReplicationStatus(arn string) (status replication.StatusType) {
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repStatMatches := replStatusRegex.FindAllStringSubmatch(o.ReplicationStatusInternal, -1)
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for _, repStatMatch := range repStatMatches {
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if len(repStatMatch) != 3 {
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return
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}
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if repStatMatch[1] == arn {
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return replication.StatusType(repStatMatch[2])
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}
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}
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return
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}
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type replicateTargetDecision struct {
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Replicate bool // Replicate to this target
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Synchronous bool // Synchronous replication configured.
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Arn string // ARN of replication target
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ID string
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}
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func (t *replicateTargetDecision) String() string {
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return fmt.Sprintf("%t;%t;%s;%s", t.Replicate, t.Synchronous, t.Arn, t.ID)
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}
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func newReplicateTargetDecision(arn string, replicate bool, sync bool) replicateTargetDecision {
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d := replicateTargetDecision{
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Replicate: replicate,
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Synchronous: sync,
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Arn: arn,
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}
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return d
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}
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// ReplicateDecision represents replication decision for each target
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type ReplicateDecision struct {
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targetsMap map[string]replicateTargetDecision
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}
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// ReplicateAny returns true if atleast one target qualifies for replication
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func (d *ReplicateDecision) ReplicateAny() bool {
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for _, t := range d.targetsMap {
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if t.Replicate {
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return true
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}
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}
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return false
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}
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// Synchronous returns true if atleast one target qualifies for synchronous replication
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func (d *ReplicateDecision) Synchronous() bool {
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for _, t := range d.targetsMap {
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if t.Synchronous {
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return true
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}
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}
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return false
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}
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func (d *ReplicateDecision) String() string {
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b := new(bytes.Buffer)
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for key, value := range d.targetsMap {
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fmt.Fprintf(b, "%s=%s,", key, value.String())
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}
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return strings.TrimSuffix(b.String(), ",")
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}
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// Set updates ReplicateDecision with target's replication decision
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func (d *ReplicateDecision) Set(t replicateTargetDecision) {
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if d.targetsMap == nil {
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d.targetsMap = make(map[string]replicateTargetDecision)
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}
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d.targetsMap[t.Arn] = t
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}
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// PendingStatus returns a stringified representation of internal replication status with all targets marked as `PENDING`
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func (d *ReplicateDecision) PendingStatus() string {
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b := new(bytes.Buffer)
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for _, k := range d.targetsMap {
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if k.Replicate {
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fmt.Fprintf(b, "%s=%s;", k.Arn, replication.Pending.String())
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}
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}
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return b.String()
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}
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// ResyncDecision is a struct representing a map with target's individual resync decisions
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type ResyncDecision struct {
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targets map[string]ResyncTargetDecision
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}
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// Empty returns true if no targets with resync decision present
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func (r *ResyncDecision) Empty() bool {
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return r.targets == nil
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}
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func (r *ResyncDecision) mustResync() bool {
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for _, v := range r.targets {
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if v.Replicate {
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return true
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}
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}
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return false
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}
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func (r *ResyncDecision) mustResyncTarget(tgtArn string) bool {
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if r.targets == nil {
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return false
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}
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v, ok := r.targets[tgtArn]
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if ok && v.Replicate {
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return true
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}
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return false
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}
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// ResyncTargetDecision is struct that represents resync decision for this target
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type ResyncTargetDecision struct {
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Replicate bool
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ResetID string
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ResetBeforeDate time.Time
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}
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var errInvalidReplicateDecisionFormat = fmt.Errorf("ReplicateDecision has invalid format")
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// parse k-v pairs of target ARN to stringified ReplicateTargetDecision delimited by ',' into a
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// ReplicateDecision struct
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func parseReplicateDecision(s string) (r ReplicateDecision, err error) {
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r = ReplicateDecision{
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targetsMap: make(map[string]replicateTargetDecision),
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}
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if len(s) == 0 {
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return
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}
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pairs := strings.Split(s, ",")
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for _, p := range pairs {
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slc := strings.Split(p, "=")
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if len(slc) != 2 {
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return r, errInvalidReplicateDecisionFormat
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}
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tgtStr := strings.TrimPrefix(slc[1], "\"")
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tgtStr = strings.TrimSuffix(tgtStr, "\"")
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tgt := strings.Split(tgtStr, ";")
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if len(tgt) != 4 {
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return r, errInvalidReplicateDecisionFormat
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}
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var replicate, sync bool
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var err error
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replicate, err = strconv.ParseBool(tgt[0])
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if err != nil {
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return r, err
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}
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sync, err = strconv.ParseBool(tgt[1])
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if err != nil {
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return r, err
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}
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r.targetsMap[slc[0]] = replicateTargetDecision{Replicate: replicate, Synchronous: sync, Arn: tgt[2], ID: tgt[3]}
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}
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return
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}
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// ReplicationState represents internal replication state
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type ReplicationState struct {
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ReplicaTimeStamp time.Time // timestamp when last replica update was received
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ReplicaStatus replication.StatusType // replica statusstringis
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DeleteMarker bool // represents DeleteMarker replication state
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ReplicationTimeStamp time.Time // timestamp when last replication activity happened
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ReplicationStatusInternal string // stringified representation of all replication activity
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// VersionPurgeStatusInternal is internally in the format "arn1=PENDING;arn2=COMMPLETED;"
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VersionPurgeStatusInternal string // stringified representation of all version purge statuses
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ReplicateDecisionStr string // stringified representation of replication decision for each target
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Targets map[string]replication.StatusType // map of ARN->replication status for ongoing replication activity
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PurgeTargets map[string]VersionPurgeStatusType // map of ARN->VersionPurgeStatus for all the targets
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ResetStatusesMap map[string]string // map of ARN-> stringified reset id and timestamp for all the targets
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}
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// Equal returns true if replication state is identical for version purge statuses and (replica)tion statuses.
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func (rs *ReplicationState) Equal(o ReplicationState) bool {
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return rs.ReplicaStatus == o.ReplicaStatus &&
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rs.ReplicaTimeStamp.Equal(o.ReplicaTimeStamp) &&
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rs.ReplicationTimeStamp.Equal(o.ReplicationTimeStamp) &&
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rs.ReplicationStatusInternal == o.ReplicationStatusInternal &&
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rs.VersionPurgeStatusInternal == o.VersionPurgeStatusInternal
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}
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// CompositeReplicationStatus returns overall replication status for the object version being replicated.
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func (rs *ReplicationState) CompositeReplicationStatus() (st replication.StatusType) {
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switch {
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case rs.ReplicationStatusInternal != "":
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switch replication.StatusType(rs.ReplicationStatusInternal) {
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case replication.Pending, replication.Completed, replication.Failed, replication.Replica: // for backward compatibility
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return replication.StatusType(rs.ReplicationStatusInternal)
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default:
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replStatus := getCompositeReplicationStatus(rs.Targets)
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// return REPLICA status if replica received timestamp is later than replication timestamp
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// provided object replication completed for all targets.
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if !rs.ReplicaTimeStamp.Equal(timeSentinel) && replStatus == replication.Completed && rs.ReplicaTimeStamp.After(rs.ReplicationTimeStamp) {
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return rs.ReplicaStatus
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}
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return replStatus
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}
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case !rs.ReplicaStatus.Empty():
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return rs.ReplicaStatus
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default:
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return
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}
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}
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// CompositeVersionPurgeStatus returns overall replication purge status for the permanent delete being replicated.
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func (rs *ReplicationState) CompositeVersionPurgeStatus() VersionPurgeStatusType {
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switch VersionPurgeStatusType(rs.VersionPurgeStatusInternal) {
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case Pending, Complete, Failed: // for backward compatibility
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return VersionPurgeStatusType(rs.VersionPurgeStatusInternal)
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default:
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return getCompositeVersionPurgeStatus(rs.PurgeTargets)
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}
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}
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// TargetState returns replicatedInfos struct initialized with the previous state of replication
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func (rs *ReplicationState) targetState(arn string) (r replicatedTargetInfo) {
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return replicatedTargetInfo{
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Arn: arn,
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PrevReplicationStatus: rs.Targets[arn],
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VersionPurgeStatus: rs.PurgeTargets[arn],
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ResyncTimestamp: rs.ResetStatusesMap[arn],
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}
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}
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// getReplicationState returns replication state using target replicated info for the targets
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func getReplicationState(rinfos replicatedInfos, prevState ReplicationState, vID string) ReplicationState {
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rs := ReplicationState{
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ReplicateDecisionStr: prevState.ReplicateDecisionStr,
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ResetStatusesMap: prevState.ResetStatusesMap,
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ReplicaTimeStamp: prevState.ReplicaTimeStamp,
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ReplicaStatus: prevState.ReplicaStatus,
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}
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var replStatuses, vpurgeStatuses string
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replStatuses = rinfos.ReplicationStatusInternal()
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rs.Targets = replicationStatusesMap(replStatuses)
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rs.ReplicationStatusInternal = replStatuses
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rs.ReplicationTimeStamp = rinfos.ReplicationTimeStamp
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vpurgeStatuses = rinfos.VersionPurgeStatusInternal()
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rs.VersionPurgeStatusInternal = vpurgeStatuses
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rs.PurgeTargets = versionPurgeStatusesMap(vpurgeStatuses)
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for _, rinfo := range rinfos.Targets {
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if rinfo.ResyncTimestamp != "" {
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rs.ResetStatusesMap[targetResetHeader(rinfo.Arn)] = rinfo.ResyncTimestamp
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}
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}
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return rs
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}
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// constructs a replication status map from string representation
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func replicationStatusesMap(s string) map[string]replication.StatusType {
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targets := make(map[string]replication.StatusType)
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repStatMatches := replStatusRegex.FindAllStringSubmatch(s, -1)
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for _, repStatMatch := range repStatMatches {
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if len(repStatMatch) != 3 {
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continue
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}
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status := replication.StatusType(repStatMatch[2])
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targets[repStatMatch[1]] = status
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}
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return targets
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}
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// constructs a version purge status map from string representation
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func versionPurgeStatusesMap(s string) map[string]VersionPurgeStatusType {
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targets := make(map[string]VersionPurgeStatusType)
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purgeStatusMatches := replStatusRegex.FindAllStringSubmatch(s, -1)
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for _, purgeStatusMatch := range purgeStatusMatches {
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if len(purgeStatusMatch) != 3 {
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continue
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}
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targets[purgeStatusMatch[1]] = VersionPurgeStatusType(purgeStatusMatch[2])
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}
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return targets
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}
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// return the overall replication status for all the targets
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func getCompositeReplicationStatus(m map[string]replication.StatusType) replication.StatusType {
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if len(m) == 0 {
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return replication.StatusType("")
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}
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completed := 0
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for _, v := range m {
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switch v {
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case replication.Failed:
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return replication.Failed
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case replication.Completed:
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completed++
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}
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}
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if completed == len(m) {
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return replication.Completed
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}
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return replication.Pending
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}
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// return the overall version purge status for all the targets
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func getCompositeVersionPurgeStatus(m map[string]VersionPurgeStatusType) VersionPurgeStatusType {
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if len(m) == 0 {
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return VersionPurgeStatusType("")
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}
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completed := 0
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for _, v := range m {
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switch v {
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case Failed:
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return Failed
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case Complete:
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completed++
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}
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}
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if completed == len(m) {
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return Complete
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}
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return Pending
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}
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// getHealReplicateObjectInfo returns info needed by heal replication in ReplicateObjectInfo
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func getHealReplicateObjectInfo(objInfo ObjectInfo, rcfg replicationConfig) ReplicateObjectInfo {
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oi := objInfo.Clone()
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if rcfg.Config != nil && rcfg.Config.RoleArn != "" {
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// For backward compatibility of objects pending/failed replication.
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// Save replication related statuses in the new internal representation for
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// compatible behavior.
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if !oi.ReplicationStatus.Empty() {
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oi.ReplicationStatusInternal = fmt.Sprintf("%s=%s;", rcfg.Config.RoleArn, oi.ReplicationStatus)
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}
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if !oi.VersionPurgeStatus.Empty() {
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oi.VersionPurgeStatusInternal = fmt.Sprintf("%s=%s;", rcfg.Config.RoleArn, oi.VersionPurgeStatus)
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}
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for k, v := range oi.UserDefined {
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switch {
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case strings.EqualFold(k, ReservedMetadataPrefixLower+ReplicationReset):
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delete(oi.UserDefined, k)
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oi.UserDefined[targetResetHeader(rcfg.Config.RoleArn)] = v
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}
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}
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}
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var dsc ReplicateDecision
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var tgtStatuses map[string]replication.StatusType
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var purgeStatuses map[string]VersionPurgeStatusType
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|
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if oi.DeleteMarker || !oi.VersionPurgeStatus.Empty() {
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dsc = checkReplicateDelete(GlobalContext, oi.Bucket, ObjectToDelete{
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ObjectV: ObjectV{
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ObjectName: oi.Name,
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VersionID: oi.VersionID,
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},
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}, oi, ObjectOptions{VersionSuspended: globalBucketVersioningSys.PrefixSuspended(oi.Bucket, oi.Name)}, nil)
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} else {
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dsc = mustReplicate(GlobalContext, oi.Bucket, oi.Name, getMustReplicateOptions(ObjectInfo{
|
|
UserDefined: oi.UserDefined,
|
|
}, replication.HealReplicationType, ObjectOptions{}))
|
|
}
|
|
tgtStatuses = replicationStatusesMap(oi.ReplicationStatusInternal)
|
|
purgeStatuses = versionPurgeStatusesMap(oi.VersionPurgeStatusInternal)
|
|
existingObjResync := rcfg.Resync(GlobalContext, oi, &dsc, tgtStatuses)
|
|
tm, _ := time.Parse(time.RFC3339Nano, oi.UserDefined[ReservedMetadataPrefixLower+ReplicationTimestamp])
|
|
return ReplicateObjectInfo{
|
|
ObjectInfo: oi,
|
|
OpType: replication.HealReplicationType,
|
|
Dsc: dsc,
|
|
ExistingObjResync: existingObjResync,
|
|
TargetStatuses: tgtStatuses,
|
|
TargetPurgeStatuses: purgeStatuses,
|
|
ReplicationTimestamp: tm,
|
|
}
|
|
}
|
|
|
|
// vID here represents the versionID client specified in request - need to distinguish between delete marker and delete marker deletion
|
|
func (o *ObjectInfo) getReplicationState(dsc string, vID string, heal bool) ReplicationState {
|
|
rs := ReplicationState{
|
|
ReplicationStatusInternal: o.ReplicationStatusInternal,
|
|
VersionPurgeStatusInternal: o.VersionPurgeStatusInternal,
|
|
ReplicateDecisionStr: dsc,
|
|
Targets: make(map[string]replication.StatusType),
|
|
PurgeTargets: make(map[string]VersionPurgeStatusType),
|
|
ResetStatusesMap: make(map[string]string),
|
|
}
|
|
rs.Targets = replicationStatusesMap(o.ReplicationStatusInternal)
|
|
rs.PurgeTargets = versionPurgeStatusesMap(o.VersionPurgeStatusInternal)
|
|
for k, v := range o.UserDefined {
|
|
if strings.HasPrefix(k, ReservedMetadataPrefixLower+ReplicationReset) {
|
|
arn := strings.TrimPrefix(k, fmt.Sprintf("%s-", ReservedMetadataPrefixLower+ReplicationReset))
|
|
rs.ResetStatusesMap[arn] = v
|
|
}
|
|
}
|
|
return rs
|
|
}
|
|
|
|
// ReplicationState returns replication state using other internal replication metadata in ObjectToDelete
|
|
func (o *ObjectToDelete) ReplicationState() ReplicationState {
|
|
r := ReplicationState{
|
|
ReplicationStatusInternal: o.DeleteMarkerReplicationStatus,
|
|
VersionPurgeStatusInternal: o.VersionPurgeStatuses,
|
|
ReplicateDecisionStr: o.ReplicateDecisionStr,
|
|
}
|
|
|
|
r.Targets = replicationStatusesMap(o.DeleteMarkerReplicationStatus)
|
|
r.PurgeTargets = versionPurgeStatusesMap(o.VersionPurgeStatuses)
|
|
return r
|
|
}
|
|
|
|
// VersionPurgeStatus returns a composite version purge status across targets
|
|
func (d *DeletedObject) VersionPurgeStatus() VersionPurgeStatusType {
|
|
return d.ReplicationState.CompositeVersionPurgeStatus()
|
|
}
|
|
|
|
// DeleteMarkerReplicationStatus return composite replication status of delete marker across targets
|
|
func (d *DeletedObject) DeleteMarkerReplicationStatus() replication.StatusType {
|
|
return d.ReplicationState.CompositeReplicationStatus()
|
|
}
|
|
|
|
// ResyncTargetsInfo holds a slice of targets with resync info per target
|
|
type ResyncTargetsInfo struct {
|
|
Targets []ResyncTarget `json:"target,omitempty"`
|
|
}
|
|
|
|
// ResyncTarget is a struct representing the Target reset ID where target is identified by its Arn
|
|
type ResyncTarget struct {
|
|
Arn string `json:"arn"`
|
|
ResetID string `json:"resetid"`
|
|
StartTime time.Time `json:"startTime"`
|
|
EndTime time.Time `json:"endTime"`
|
|
// Status of resync operation
|
|
ResyncStatus string `json:"resyncStatus,omitempty"`
|
|
// Completed size in bytes
|
|
ReplicatedSize int64 `json:"completedReplicationSize"`
|
|
// Failed size in bytes
|
|
FailedSize int64 `json:"failedReplicationSize"`
|
|
// Total number of failed operations
|
|
FailedCount int64 `json:"failedReplicationCount"`
|
|
// Total number of failed operations
|
|
ReplicatedCount int64 `json:"replicationCount"`
|
|
// Last bucket/object replicated.
|
|
Bucket string `json:"bucket,omitempty"`
|
|
Object string `json:"object,omitempty"`
|
|
}
|
|
|
|
// VersionPurgeStatusType represents status of a versioned delete or permanent delete w.r.t bucket replication
|
|
type VersionPurgeStatusType string
|
|
|
|
const (
|
|
// Pending - versioned delete replication is pending.
|
|
Pending VersionPurgeStatusType = "PENDING"
|
|
|
|
// Complete - versioned delete replication is now complete, erase version on disk.
|
|
Complete VersionPurgeStatusType = "COMPLETE"
|
|
|
|
// Failed - versioned delete replication failed.
|
|
Failed VersionPurgeStatusType = "FAILED"
|
|
)
|
|
|
|
// Empty returns true if purge status was not set.
|
|
func (v VersionPurgeStatusType) Empty() bool {
|
|
return string(v) == ""
|
|
}
|
|
|
|
// Pending returns true if the version is pending purge.
|
|
func (v VersionPurgeStatusType) Pending() bool {
|
|
return v == Pending || v == Failed
|
|
}
|
|
|
|
type replicationResyncState struct {
|
|
// map of bucket to their resync status
|
|
statusMap map[string]BucketReplicationResyncStatus
|
|
sync.RWMutex
|
|
}
|
|
|
|
const (
|
|
replicationDir = "replication"
|
|
resyncFileName = "resync.bin"
|
|
resyncMetaFormat = 1
|
|
resyncMetaVersionV1 = 1
|
|
resyncMetaVersion = resyncMetaVersionV1
|
|
)
|
|
|
|
// ResyncStatusType status of resync operation
|
|
type ResyncStatusType int
|
|
|
|
const (
|
|
// NoResync - no resync in progress
|
|
NoResync ResyncStatusType = iota
|
|
// ResyncStarted - resync in progress
|
|
ResyncStarted
|
|
// ResyncCompleted - resync finished
|
|
ResyncCompleted
|
|
// ResyncFailed - resync failed
|
|
ResyncFailed
|
|
)
|
|
|
|
func (rt ResyncStatusType) String() string {
|
|
switch rt {
|
|
case ResyncStarted:
|
|
return "Ongoing"
|
|
case ResyncCompleted:
|
|
return "Completed"
|
|
case ResyncFailed:
|
|
return "Failed"
|
|
default:
|
|
return ""
|
|
}
|
|
}
|
|
|
|
// TargetReplicationResyncStatus status of resync of bucket for a specific target
|
|
type TargetReplicationResyncStatus struct {
|
|
StartTime time.Time `json:"startTime" msg:"st"`
|
|
EndTime time.Time `json:"endTime" msg:"et"`
|
|
// Resync ID assigned to this reset
|
|
ResyncID string `json:"resyncID" msg:"id"`
|
|
// ResyncBeforeDate - resync all objects created prior to this date
|
|
ResyncBeforeDate time.Time `json:"resyncBeforeDate" msg:"rdt"`
|
|
// Status of resync operation
|
|
ResyncStatus ResyncStatusType `json:"resyncStatus" msg:"rst"`
|
|
// Failed size in bytes
|
|
FailedSize int64 `json:"failedReplicationSize" msg:"fs"`
|
|
// Total number of failed operations
|
|
FailedCount int64 `json:"failedReplicationCount" msg:"frc"`
|
|
// Completed size in bytes
|
|
ReplicatedSize int64 `json:"completedReplicationSize" msg:"rs"`
|
|
// Total number of failed operations
|
|
ReplicatedCount int64 `json:"replicationCount" msg:"rrc"`
|
|
// Last bucket/object replicated.
|
|
Bucket string `json:"-" msg:"bkt"`
|
|
Object string `json:"-" msg:"obj"`
|
|
}
|
|
|
|
// BucketReplicationResyncStatus captures current replication resync status
|
|
type BucketReplicationResyncStatus struct {
|
|
Version int `json:"version" msg:"v"`
|
|
// map of remote arn to their resync status for a bucket
|
|
TargetsMap map[string]TargetReplicationResyncStatus `json:"resyncMap,omitempty" msg:"brs"`
|
|
ID int `json:"id" msg:"id"`
|
|
LastUpdate time.Time `json:"lastUpdate" msg:"lu"`
|
|
}
|
|
|
|
func newBucketResyncStatus(bucket string) BucketReplicationResyncStatus {
|
|
return BucketReplicationResyncStatus{
|
|
TargetsMap: make(map[string]TargetReplicationResyncStatus),
|
|
Version: resyncMetaVersion,
|
|
}
|
|
}
|
|
|
|
var contentRangeRegexp = regexp.MustCompile(`bytes ([0-9]+)-([0-9]+)/([0-9]+|\\*)`)
|
|
|
|
// parse size from content-range header
|
|
func parseSizeFromContentRange(h http.Header) (sz int64, err error) {
|
|
cr := h.Get(xhttp.ContentRange)
|
|
if cr == "" {
|
|
return sz, fmt.Errorf("Content-Range not set")
|
|
}
|
|
parts := contentRangeRegexp.FindStringSubmatch(cr)
|
|
if len(parts) != 4 {
|
|
return sz, fmt.Errorf("invalid Content-Range header %s", cr)
|
|
}
|
|
if parts[3] == "*" {
|
|
return -1, nil
|
|
}
|
|
var usz uint64
|
|
usz, err = strconv.ParseUint(parts[3], 10, 64)
|
|
if err != nil {
|
|
return sz, err
|
|
}
|
|
return int64(usz), nil
|
|
}
|
|
|
|
func extractReplicateDiffOpts(q url.Values) (opts madmin.ReplDiffOpts) {
|
|
opts.Verbose = q.Get("verbose") == "true"
|
|
opts.ARN = q.Get("arn")
|
|
opts.Prefix = q.Get("prefix")
|
|
return
|
|
}
|
|
|
|
const (
|
|
replicationMRFDir = bucketMetaPrefix + SlashSeparator + replicationDir + SlashSeparator + "mrf"
|
|
mrfMetaFormat = 1
|
|
mrfMetaVersionV1 = 1
|
|
mrfMetaVersion = mrfMetaVersionV1
|
|
)
|
|
|
|
// MRFReplicateEntry mrf entry to save to disk
|
|
type MRFReplicateEntry struct {
|
|
Bucket string `json:"bucket" msg:"b"`
|
|
Object string `json:"object" msg:"o"`
|
|
versionID string `json:"-"`
|
|
}
|
|
|
|
// MRFReplicateEntries has the map of MRF entries to save to disk
|
|
type MRFReplicateEntries struct {
|
|
Entries map[string]MRFReplicateEntry `json:"entries" msg:"e"`
|
|
Version int `json:"version" msg:"v"`
|
|
}
|
|
|
|
// ToMRFEntry returns the relevant info needed by MRF
|
|
func (ri ReplicateObjectInfo) ToMRFEntry() MRFReplicateEntry {
|
|
return MRFReplicateEntry{
|
|
Bucket: ri.Bucket,
|
|
Object: ri.Name,
|
|
versionID: ri.VersionID,
|
|
}
|
|
}
|