use readConfig/saveConfig to simplify I/O on usage/tracker info (#14019)

This commit is contained in:
Harshavardhana 2022-01-03 10:22:58 -08:00 committed by GitHub
parent 9d91d32d82
commit 001b77e7e1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 30 additions and 51 deletions

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@ -120,7 +120,7 @@ func (b *BucketMetadata) Load(ctx context.Context, api ObjectLayer, name string)
logger.LogIf(ctx, errors.New("bucket name cannot be empty"))
return errors.New("bucket name cannot be empty")
}
configFile := path.Join(bucketConfigPrefix, name, bucketMetadataFile)
configFile := path.Join(bucketMetaPrefix, name, bucketMetadataFile)
data, err := readConfig(ctx, api, configFile)
if err != nil {
return err
@ -277,7 +277,7 @@ func (b *BucketMetadata) convertLegacyConfigs(ctx context.Context, objectAPI Obj
}
for _, legacyFile := range legacyConfigs {
configFile := path.Join(bucketConfigPrefix, b.Name, legacyFile)
configFile := path.Join(bucketMetaPrefix, b.Name, legacyFile)
configData, err := readConfig(ctx, objectAPI, configFile)
if err != nil {
@ -338,7 +338,7 @@ func (b *BucketMetadata) convertLegacyConfigs(ctx context.Context, objectAPI Obj
}
for legacyFile := range configs {
configFile := path.Join(bucketConfigPrefix, b.Name, legacyFile)
configFile := path.Join(bucketMetaPrefix, b.Name, legacyFile)
if err := deleteConfig(ctx, objectAPI, configFile); err != nil && !errors.Is(err, errConfigNotFound) {
logger.LogIf(ctx, err)
}
@ -365,7 +365,7 @@ func (b *BucketMetadata) Save(ctx context.Context, api ObjectLayer) error {
return err
}
configFile := path.Join(bucketConfigPrefix, b.Name, bucketMetadataFile)
configFile := path.Join(bucketMetaPrefix, b.Name, bucketMetadataFile)
return saveConfig(ctx, api, configFile, data)
}
@ -377,7 +377,7 @@ func deleteBucketMetadata(ctx context.Context, obj objectDeleter, bucket string)
bucketMetadataFile,
}
for _, metaFile := range metadataFiles {
configFile := path.Join(bucketConfigPrefix, bucket, metaFile)
configFile := path.Join(bucketMetaPrefix, bucket, metaFile)
if err := deleteConfig(ctx, obj, configFile); err != nil && err != errConfigNotFound {
return err
}

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@ -30,7 +30,6 @@ import (
)
const (
bucketConfigPrefix = "buckets"
bucketNotificationConfig = "notification.xml"
)

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@ -29,8 +29,8 @@ import (
var errConfigNotFound = errors.New("config file not found")
func readConfigWithMetadata(ctx context.Context, objAPI ObjectLayer, configFile string) ([]byte, ObjectInfo, error) {
r, err := objAPI.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, readLock, ObjectOptions{})
func readConfigWithMetadata(ctx context.Context, store objectIO, configFile string) ([]byte, ObjectInfo, error) {
r, err := store.GetObjectNInfo(ctx, minioMetaBucket, configFile, nil, http.Header{}, readLock, ObjectOptions{})
if err != nil {
// Treat object not found as config not found.
if isErrObjectNotFound(err) {
@ -51,8 +51,8 @@ func readConfigWithMetadata(ctx context.Context, objAPI ObjectLayer, configFile
return buf, r.ObjInfo, nil
}
func readConfig(ctx context.Context, objAPI ObjectLayer, configFile string) ([]byte, error) {
buf, _, err := readConfigWithMetadata(ctx, objAPI, configFile)
func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
buf, _, err := readConfigWithMetadata(ctx, store, configFile)
return buf, err
}
@ -70,13 +70,13 @@ func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string)
return err
}
func saveConfig(ctx context.Context, objAPI ObjectLayer, configFile string, data []byte) error {
func saveConfig(ctx context.Context, store objectIO, configFile string, data []byte) error {
hashReader, err := hash.NewReader(bytes.NewReader(data), int64(len(data)), "", getSHA256Hash(data), int64(len(data)))
if err != nil {
return err
}
_, err = objAPI.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader), ObjectOptions{MaxParity: true})
_, err = store.PutObject(ctx, minioMetaBucket, configFile, NewPutObjReader(hashReader), ObjectOptions{MaxParity: true})
return err
}

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@ -25,7 +25,6 @@ import (
"io/fs"
"math"
"math/rand"
"net/http"
"os"
"path"
"strings"
@ -40,7 +39,6 @@ import (
"github.com/minio/minio/internal/color"
"github.com/minio/minio/internal/config/heal"
"github.com/minio/minio/internal/event"
"github.com/minio/minio/internal/hash"
"github.com/minio/minio/internal/logger"
"github.com/minio/pkg/console"
)
@ -111,6 +109,9 @@ func runDataScanner(pctx context.Context, objAPI ObjectLayer) {
locker := objAPI.NewNSLock(minioMetaBucket, "scanner/runDataScanner.lock")
lkctx, err := locker.GetLock(pctx, dataScannerLeaderLockTimeout)
if err != nil {
if intDataUpdateTracker.debug {
logger.LogIf(pctx, err)
}
return
}
ctx := lkctx.Context()
@ -120,18 +121,11 @@ func runDataScanner(pctx context.Context, objAPI ObjectLayer) {
// Load current bloom cycle
nextBloomCycle := intDataUpdateTracker.current() + 1
br, err := objAPI.GetObjectNInfo(ctx, dataUsageBucket, dataUsageBloomName, nil, http.Header{}, readLock, ObjectOptions{})
if err != nil {
if !isErrObjectNotFound(err) && !isErrBucketNotFound(err) {
buf, _ := readConfig(ctx, objAPI, dataUsageBloomNamePath)
if len(buf) >= 8 {
if err = binary.Read(bytes.NewReader(buf), binary.LittleEndian, &nextBloomCycle); err != nil {
logger.LogIf(ctx, err)
}
} else {
if br.ObjInfo.Size == 8 {
if err = binary.Read(br, binary.LittleEndian, &nextBloomCycle); err != nil {
logger.LogIf(ctx, err)
}
}
br.Close()
}
scannerTimer := time.NewTimer(scannerCycle.Get())
@ -161,14 +155,7 @@ func runDataScanner(pctx context.Context, objAPI ObjectLayer) {
nextBloomCycle++
var tmp [8]byte
binary.LittleEndian.PutUint64(tmp[:], nextBloomCycle)
r, err := hash.NewReader(bytes.NewReader(tmp[:]), int64(len(tmp)), "", "", int64(len(tmp)))
if err != nil {
logger.LogIf(ctx, err)
continue
}
_, err = objAPI.PutObject(ctx, dataUsageBucket, dataUsageBloomName, NewPutObjReader(r), ObjectOptions{})
if !isErrBucketNotFound(err) {
if err = saveConfig(ctx, objAPI, dataUsageBloomNamePath, tmp[:]); err != nil {
logger.LogIf(ctx, err)
}
}

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@ -921,6 +921,7 @@ func (d *dataUsageCache) load(ctx context.Context, store objectIO, name string)
// Abandon if more than 5 minutes, so we don't hold up scanner.
ctx, cancel := context.WithTimeout(ctx, 5*time.Minute)
defer cancel()
r, err := store.GetObjectNInfo(ctx, dataUsageBucket, name, nil, http.Header{}, readLock, ObjectOptions{})
if err != nil {
switch err.(type) {

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@ -18,13 +18,10 @@
package cmd
import (
"bytes"
"context"
"net/http"
"strings"
jsoniter "github.com/json-iterator/go"
"github.com/minio/minio/internal/hash"
"github.com/minio/minio/internal/logger"
)
@ -32,9 +29,12 @@ const (
dataUsageRoot = SlashSeparator
dataUsageBucket = minioMetaBucket + SlashSeparator + bucketMetaPrefix
dataUsageObjName = ".usage.json"
dataUsageObjName = ".usage.json"
dataUsageObjNamePath = bucketMetaPrefix + SlashSeparator + dataUsageObjName
dataUsageBloomName = ".bloomcycle.bin"
dataUsageBloomNamePath = bucketMetaPrefix + SlashSeparator + dataUsageBloomName
dataUsageCacheName = ".usage-cache.bin"
dataUsageBloomName = ".bloomcycle.bin"
)
// storeDataUsageInBackend will store all objects sent on the gui channel until closed.
@ -46,14 +46,7 @@ func storeDataUsageInBackend(ctx context.Context, objAPI ObjectLayer, dui <-chan
logger.LogIf(ctx, err)
continue
}
size := int64(len(dataUsageJSON))
r, err := hash.NewReader(bytes.NewReader(dataUsageJSON), size, "", "", size)
if err != nil {
logger.LogIf(ctx, err)
continue
}
_, err = objAPI.PutObject(ctx, dataUsageBucket, dataUsageObjName, NewPutObjReader(r), ObjectOptions{})
if !isErrBucketNotFound(err) {
if err = saveConfig(ctx, objAPI, dataUsageObjNamePath, dataUsageJSON); err != nil {
logger.LogIf(ctx, err)
}
}
@ -95,18 +88,17 @@ func loadPrefixUsageFromBackend(ctx context.Context, objAPI ObjectLayer, bucket
}
func loadDataUsageFromBackend(ctx context.Context, objAPI ObjectLayer) (DataUsageInfo, error) {
r, err := objAPI.GetObjectNInfo(ctx, dataUsageBucket, dataUsageObjName, nil, http.Header{}, readLock, ObjectOptions{})
buf, err := readConfig(ctx, objAPI, dataUsageObjNamePath)
if err != nil {
if isErrObjectNotFound(err) || isErrBucketNotFound(err) {
return DataUsageInfo{}, nil
}
return DataUsageInfo{}, toObjectErr(err, dataUsageBucket, dataUsageObjName)
return DataUsageInfo{}, toObjectErr(err, minioMetaBucket, dataUsageObjNamePath)
}
defer r.Close()
var dataUsageInfo DataUsageInfo
json := jsoniter.ConfigCompatibleWithStandardLibrary
if err = json.NewDecoder(r).Decode(&dataUsageInfo); err != nil {
if err = json.Unmarshal(buf, &dataUsageInfo); err != nil {
return DataUsageInfo{}, err
}
// For forward compatibility reasons, we need to add this code.

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@ -387,7 +387,7 @@ func TestHealCorrectQuorum(t *testing.T) {
t.Fatalf("Failed to complete multipart upload - %v", err)
}
cfgFile := pathJoin(bucketConfigPrefix, bucket, ".test.bin")
cfgFile := pathJoin(bucketMetaPrefix, bucket, ".test.bin")
if err = saveConfig(ctx, objLayer, cfgFile, data); err != nil {
t.Fatal(err)
}

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@ -1565,7 +1565,7 @@ func (z *erasureServerPools) HealBucket(ctx context.Context, bucket string, opts
}
// Attempt heal on the bucket metadata, ignore any failures
defer z.HealObject(ctx, minioMetaBucket, pathJoin(bucketConfigPrefix, bucket, bucketMetadataFile), "", opts)
defer z.HealObject(ctx, minioMetaBucket, pathJoin(bucketMetaPrefix, bucket, bucketMetadataFile), "", opts)
for _, pool := range z.serverPools {
result, err := pool.HealBucket(ctx, bucket, opts)