mirror of
https://github.com/minio/minio.git
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95bf4a57b6
Create new code paths for multiple subsystems in the code. This will make maintaing this easier later. Also introduce bugLogIf() for errors that should not happen in the first place.
483 lines
14 KiB
Go
483 lines
14 KiB
Go
// Copyright (c) 2015-2023 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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"context"
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"encoding/base64"
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"fmt"
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"math/rand"
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"net/http"
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"runtime"
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"strconv"
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"strings"
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"time"
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jsoniter "github.com/json-iterator/go"
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"github.com/minio/minio-go/v7/pkg/tags"
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"github.com/minio/minio/internal/crypto"
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xhttp "github.com/minio/minio/internal/http"
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"github.com/minio/minio/internal/kms"
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"github.com/minio/pkg/v2/env"
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"github.com/minio/pkg/v2/workers"
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)
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// keyrotate:
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// apiVersion: v1
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// bucket: BUCKET
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// prefix: PREFIX
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// encryption:
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// type: sse-s3 # valid values are sse-s3 and sse-kms
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// key: <new-kms-key> # valid only for sse-kms
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// context: <new-kms-key-context> # valid only for sse-kms
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// # optional flags based filtering criteria
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// # for all objects
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// flags:
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// filter:
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// newerThan: "7d" # match objects newer than this value (e.g. 7d10h31s)
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// olderThan: "7d" # match objects older than this value (e.g. 7d10h31s)
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// createdAfter: "date" # match objects created after "date"
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// createdBefore: "date" # match objects created before "date"
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// tags:
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// - key: "name"
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// value: "pick*" # match objects with tag 'name', with all values starting with 'pick'
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// metadata:
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// - key: "content-type"
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// value: "image/*" # match objects with 'content-type', with all values starting with 'image/'
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// kmskey: "key-id" # match objects with KMS key-id (applicable only for sse-kms)
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// notify:
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// endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
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// token: "Bearer xxxxx" # optional authentication token for the notification endpoint
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// retry:
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// attempts: 10 # number of retries for the job before giving up
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// delay: "500ms" # least amount of delay between each retry
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//go:generate msgp -file $GOFILE -unexported
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// BatchKeyRotationType defines key rotation type
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type BatchKeyRotationType string
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const (
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sses3 BatchKeyRotationType = "sse-s3"
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ssekms BatchKeyRotationType = "sse-kms"
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)
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// BatchJobKeyRotateEncryption defines key rotation encryption options passed
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type BatchJobKeyRotateEncryption struct {
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Type BatchKeyRotationType `yaml:"type" json:"type"`
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Key string `yaml:"key" json:"key"`
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Context string `yaml:"context" json:"context"`
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kmsContext kms.Context `msg:"-"`
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}
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// Validate validates input key rotation encryption options.
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func (e BatchJobKeyRotateEncryption) Validate() error {
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if e.Type != sses3 && e.Type != ssekms {
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return errInvalidArgument
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}
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spaces := strings.HasPrefix(e.Key, " ") || strings.HasSuffix(e.Key, " ")
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if e.Type == ssekms && spaces {
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return crypto.ErrInvalidEncryptionKeyID
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}
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if e.Type == ssekms && GlobalKMS != nil {
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ctx := kms.Context{}
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if e.Context != "" {
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b, err := base64.StdEncoding.DecodeString(e.Context)
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if err != nil {
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return err
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}
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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if err := json.Unmarshal(b, &ctx); err != nil {
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return err
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}
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}
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e.kmsContext = kms.Context{}
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for k, v := range ctx {
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e.kmsContext[k] = v
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}
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ctx["MinIO batch API"] = "batchrotate" // Context for a test key operation
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if _, err := GlobalKMS.GenerateKey(GlobalContext, e.Key, ctx); err != nil {
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return err
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}
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}
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return nil
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}
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// BatchKeyRotateFilter holds all the filters currently supported for batch replication
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type BatchKeyRotateFilter struct {
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NewerThan time.Duration `yaml:"newerThan,omitempty" json:"newerThan"`
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OlderThan time.Duration `yaml:"olderThan,omitempty" json:"olderThan"`
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CreatedAfter time.Time `yaml:"createdAfter,omitempty" json:"createdAfter"`
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CreatedBefore time.Time `yaml:"createdBefore,omitempty" json:"createdBefore"`
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Tags []BatchJobKV `yaml:"tags,omitempty" json:"tags"`
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Metadata []BatchJobKV `yaml:"metadata,omitempty" json:"metadata"`
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KMSKeyID string `yaml:"kmskeyid" json:"kmskey"`
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}
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// BatchKeyRotateNotification success or failure notification endpoint for each job attempts
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type BatchKeyRotateNotification struct {
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Endpoint string `yaml:"endpoint" json:"endpoint"`
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Token string `yaml:"token" json:"token"`
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}
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// BatchJobKeyRotateFlags various configurations for replication job definition currently includes
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// - filter
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// - notify
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// - retry
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type BatchJobKeyRotateFlags struct {
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Filter BatchKeyRotateFilter `yaml:"filter" json:"filter"`
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Notify BatchJobNotification `yaml:"notify" json:"notify"`
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Retry BatchJobRetry `yaml:"retry" json:"retry"`
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}
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// BatchJobKeyRotateV1 v1 of batch key rotation job
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type BatchJobKeyRotateV1 struct {
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APIVersion string `yaml:"apiVersion" json:"apiVersion"`
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Flags BatchJobKeyRotateFlags `yaml:"flags" json:"flags"`
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Bucket string `yaml:"bucket" json:"bucket"`
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Prefix string `yaml:"prefix" json:"prefix"`
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Encryption BatchJobKeyRotateEncryption `yaml:"encryption" json:"encryption"`
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}
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// Notify notifies notification endpoint if configured regarding job failure or success.
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func (r BatchJobKeyRotateV1) Notify(ctx context.Context, ri *batchJobInfo) error {
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return notifyEndpoint(ctx, ri, r.Flags.Notify.Endpoint, r.Flags.Notify.Token)
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}
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// KeyRotate rotates encryption key of an object
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func (r *BatchJobKeyRotateV1) KeyRotate(ctx context.Context, api ObjectLayer, objInfo ObjectInfo) error {
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srcBucket := r.Bucket
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srcObject := objInfo.Name
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if objInfo.DeleteMarker || !objInfo.VersionPurgeStatus.Empty() {
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return nil
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}
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sseKMS := crypto.S3KMS.IsEncrypted(objInfo.UserDefined)
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sseS3 := crypto.S3.IsEncrypted(objInfo.UserDefined)
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if !sseKMS && !sseS3 { // neither sse-s3 nor sse-kms disallowed
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return errInvalidEncryptionParameters
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}
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if sseKMS && r.Encryption.Type == sses3 { // previously encrypted with sse-kms, now sse-s3 disallowed
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return errInvalidEncryptionParameters
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}
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versioned := globalBucketVersioningSys.PrefixEnabled(srcBucket, srcObject)
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versionSuspended := globalBucketVersioningSys.PrefixSuspended(srcBucket, srcObject)
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lock := api.NewNSLock(r.Bucket, objInfo.Name)
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lkctx, err := lock.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 lock.Unlock(lkctx)
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opts := ObjectOptions{
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VersionID: objInfo.VersionID,
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Versioned: versioned,
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VersionSuspended: versionSuspended,
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NoLock: true,
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}
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obj, err := api.GetObjectInfo(ctx, r.Bucket, objInfo.Name, opts)
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if err != nil {
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return err
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}
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oi := obj.Clone()
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var (
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newKeyID string
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newKeyContext kms.Context
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)
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encMetadata := make(map[string]string)
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for k, v := range oi.UserDefined {
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if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {
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encMetadata[k] = v
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}
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}
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if (sseKMS || sseS3) && r.Encryption.Type == ssekms {
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if err = r.Encryption.Validate(); err != nil {
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return err
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}
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newKeyID = strings.TrimPrefix(r.Encryption.Key, crypto.ARNPrefix)
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newKeyContext = r.Encryption.kmsContext
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}
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if err = rotateKey(ctx, []byte{}, newKeyID, []byte{}, r.Bucket, oi.Name, encMetadata, newKeyContext); err != nil {
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return err
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}
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// Since we are rotating the keys, make sure to update the metadata.
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oi.metadataOnly = true
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oi.keyRotation = true
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for k, v := range encMetadata {
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oi.UserDefined[k] = v
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}
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if _, err := api.CopyObject(ctx, r.Bucket, oi.Name, r.Bucket, oi.Name, oi, ObjectOptions{
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VersionID: oi.VersionID,
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}, ObjectOptions{
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VersionID: oi.VersionID,
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NoLock: true,
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}); err != nil {
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return err
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}
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return nil
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}
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const (
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batchKeyRotationName = "batch-rotate.bin"
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batchKeyRotationFormat = 1
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batchKeyRotateVersionV1 = 1
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batchKeyRotateVersion = batchKeyRotateVersionV1
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batchKeyRotateAPIVersion = "v1"
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batchKeyRotateJobDefaultRetries = 3
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batchKeyRotateJobDefaultRetryDelay = 25 * time.Millisecond
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)
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// Start the batch key rottion job, resumes if there was a pending job via "job.ID"
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func (r *BatchJobKeyRotateV1) Start(ctx context.Context, api ObjectLayer, job BatchJobRequest) error {
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ri := &batchJobInfo{
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JobID: job.ID,
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JobType: string(job.Type()),
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StartTime: job.Started,
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}
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if err := ri.load(ctx, api, job); err != nil {
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return err
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}
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if ri.Complete {
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return nil
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}
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globalBatchJobsMetrics.save(job.ID, ri)
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lastObject := ri.Object
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delay := job.KeyRotate.Flags.Retry.Delay
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if delay == 0 {
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delay = batchKeyRotateJobDefaultRetryDelay
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}
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rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
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selectObj := func(info FileInfo) (ok bool) {
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if r.Flags.Filter.OlderThan > 0 && time.Since(info.ModTime) < r.Flags.Filter.OlderThan {
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// skip all objects that are newer than specified older duration
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return false
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}
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if r.Flags.Filter.NewerThan > 0 && time.Since(info.ModTime) >= r.Flags.Filter.NewerThan {
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// skip all objects that are older than specified newer duration
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return false
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}
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if !r.Flags.Filter.CreatedAfter.IsZero() && r.Flags.Filter.CreatedAfter.Before(info.ModTime) {
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// skip all objects that are created before the specified time.
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return false
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}
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if !r.Flags.Filter.CreatedBefore.IsZero() && r.Flags.Filter.CreatedBefore.After(info.ModTime) {
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// skip all objects that are created after the specified time.
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return false
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}
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if len(r.Flags.Filter.Tags) > 0 {
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// Only parse object tags if tags filter is specified.
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tagMap := map[string]string{}
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tagStr := info.Metadata[xhttp.AmzObjectTagging]
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if len(tagStr) != 0 {
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t, err := tags.ParseObjectTags(tagStr)
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if err != nil {
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return false
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}
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tagMap = t.ToMap()
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}
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for _, kv := range r.Flags.Filter.Tags {
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for t, v := range tagMap {
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if kv.Match(BatchJobKV{Key: t, Value: v}) {
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return true
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}
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}
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}
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// None of the provided tags filter match skip the object
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return false
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}
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if len(r.Flags.Filter.Metadata) > 0 {
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for _, kv := range r.Flags.Filter.Metadata {
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for k, v := range info.Metadata {
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if !stringsHasPrefixFold(k, "x-amz-meta-") && !isStandardHeader(k) {
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continue
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}
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// We only need to match x-amz-meta or standardHeaders
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if kv.Match(BatchJobKV{Key: k, Value: v}) {
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return true
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}
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}
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}
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// None of the provided metadata filters match skip the object.
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return false
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}
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if r.Flags.Filter.KMSKeyID != "" {
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if v, ok := info.Metadata[xhttp.AmzServerSideEncryptionKmsID]; ok && strings.TrimPrefix(v, crypto.ARNPrefix) != r.Flags.Filter.KMSKeyID {
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return false
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}
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}
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return true
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}
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workerSize, err := strconv.Atoi(env.Get("_MINIO_BATCH_KEYROTATION_WORKERS", strconv.Itoa(runtime.GOMAXPROCS(0)/2)))
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if err != nil {
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return err
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}
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wk, err := workers.New(workerSize)
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if err != nil {
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// invalid worker size.
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return err
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}
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retryAttempts := ri.RetryAttempts
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ctx, cancel := context.WithCancel(ctx)
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results := make(chan ObjectInfo, 100)
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if err := api.Walk(ctx, r.Bucket, r.Prefix, results, WalkOptions{
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Marker: lastObject,
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Filter: selectObj,
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}); err != nil {
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cancel()
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// Do not need to retry if we can't list objects on source.
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return err
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}
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for result := range results {
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result := result
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sseKMS := crypto.S3KMS.IsEncrypted(result.UserDefined)
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sseS3 := crypto.S3.IsEncrypted(result.UserDefined)
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if !sseKMS && !sseS3 { // neither sse-s3 nor sse-kms disallowed
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continue
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}
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wk.Take()
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go func() {
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defer wk.Give()
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for attempts := 1; attempts <= retryAttempts; attempts++ {
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attempts := attempts
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stopFn := globalBatchJobsMetrics.trace(batchJobMetricKeyRotation, job.ID, attempts)
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success := true
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if err := r.KeyRotate(ctx, api, result); err != nil {
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stopFn(result, err)
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batchLogIf(ctx, err)
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success = false
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} else {
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stopFn(result, nil)
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}
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ri.trackCurrentBucketObject(r.Bucket, result, success)
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ri.RetryAttempts = attempts
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globalBatchJobsMetrics.save(job.ID, ri)
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// persist in-memory state to disk after every 10secs.
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batchLogIf(ctx, ri.updateAfter(ctx, api, 10*time.Second, job))
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if success {
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break
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}
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if delay > 0 {
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time.Sleep(delay + time.Duration(rnd.Float64()*float64(delay)))
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}
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}
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if wait := globalBatchConfig.KeyRotationWait(); wait > 0 {
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time.Sleep(wait)
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}
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}()
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}
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wk.Wait()
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ri.Complete = ri.ObjectsFailed == 0
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ri.Failed = ri.ObjectsFailed > 0
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globalBatchJobsMetrics.save(job.ID, ri)
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// persist in-memory state to disk.
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batchLogIf(ctx, ri.updateAfter(ctx, api, 0, job))
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if err := r.Notify(ctx, ri); err != nil {
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batchLogIf(ctx, fmt.Errorf("unable to notify %v", err))
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}
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cancel()
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return nil
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}
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//msgp:ignore batchKeyRotationJobError
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type batchKeyRotationJobError struct {
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Code string
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Description string
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HTTPStatusCode int
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}
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func (e batchKeyRotationJobError) Error() string {
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return e.Description
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}
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// Validate validates the job definition input
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func (r *BatchJobKeyRotateV1) Validate(ctx context.Context, job BatchJobRequest, o ObjectLayer) error {
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if r == nil {
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return nil
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}
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if r.APIVersion != batchKeyRotateAPIVersion {
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return errInvalidArgument
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}
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if r.Bucket == "" {
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return errInvalidArgument
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}
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if _, err := o.GetBucketInfo(ctx, r.Bucket, BucketOptions{}); err != nil {
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if isErrBucketNotFound(err) {
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return batchKeyRotationJobError{
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Code: "NoSuchSourceBucket",
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Description: "The specified source bucket does not exist",
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HTTPStatusCode: http.StatusNotFound,
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}
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}
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return err
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}
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if GlobalKMS == nil {
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return errKMSNotConfigured
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}
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if err := r.Encryption.Validate(); err != nil {
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return err
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}
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for _, tag := range r.Flags.Filter.Tags {
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if err := tag.Validate(); err != nil {
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return err
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}
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}
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for _, meta := range r.Flags.Filter.Metadata {
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if err := meta.Validate(); err != nil {
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return err
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}
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}
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if err := r.Flags.Retry.Validate(); err != nil {
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return err
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}
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return nil
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}
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