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converge listBuckets() as a peer call (#16346)

This commit is contained in:
Harshavardhana 2023-01-03 23:39:40 -08:00 committed by GitHub
parent 14d29b77ae
commit a15a2556c3
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 134 additions and 62 deletions
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4
cmd/erasure-healing.go
View File

@ -235,6 +235,10 @@ func listAllBuckets(ctx context.Context, storageDisks []StorageAPI, healBuckets
// we ignore disk not found errors
return nil
}
if storageDisks[index].Healing() != nil {
// we ignore disks under healing
return nil
}
volsInfo, err := storageDisks[index].ListVols(ctx)
if err != nil {
return err

12
cmd/erasure-server-pool.go
View File

@ -1721,17 +1721,7 @@ func (z *erasureServerPools) purgeDelete(ctx context.Context, bucket, prefix str
// sort here just for simplification. As per design it is assumed
// that all buckets are present on all serverPools.
func (z *erasureServerPools) ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
for idx, pool := range z.serverPools {
if z.IsSuspended(idx) {
continue
}
buckets, err = pool.ListBuckets(ctx, opts)
if err != nil {
logger.LogIf(ctx, err)
continue
}
break
}
buckets, err = z.s3Peer.ListBuckets(ctx, opts)
if err != nil {
return nil, err
}

51
cmd/erasure-sets.go
View File

@ -26,7 +26,6 @@ import (
"math/rand"
"net/http"
"reflect"
"sort"
"strings"
"sync"
"time"
@ -747,56 +746,6 @@ func (s *erasureSets) IsTaggingSupported() bool {
return true
}
// List all buckets from one of the set, we are not doing merge
// sort here just for simplification. As per design it is assumed
// that all buckets are present on all sets.
func (s *erasureSets) ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
var listBuckets []BucketInfo
healBuckets := map[string]VolInfo{}
for _, set := range s.sets {
// lists all unique buckets across drives.
if err := listAllBuckets(ctx, set.getDisks(), healBuckets, s.defaultParityCount); err != nil {
return nil, err
}
}
// include deleted buckets in listBuckets output
deletedBuckets := map[string]VolInfo{}
if opts.Deleted {
for _, set := range s.sets {
// lists all deleted buckets across drives.
if err := listDeletedBuckets(ctx, set.getDisks(), deletedBuckets, s.defaultParityCount); err != nil {
return nil, err
}
}
}
for _, v := range healBuckets {
bi := BucketInfo{
Name: v.Name,
Created: v.Created,
}
if vi, ok := deletedBuckets[v.Name]; ok {
bi.Deleted = vi.Created
}
listBuckets = append(listBuckets, bi)
}
for _, v := range deletedBuckets {
if _, ok := healBuckets[v.Name]; !ok {
listBuckets = append(listBuckets, BucketInfo{
Name: v.Name,
Deleted: v.Created,
})
}
}
sort.Slice(listBuckets, func(i, j int) bool {
return listBuckets[i].Name < listBuckets[j].Name
})
return listBuckets, nil
}
// listDeletedBuckets lists deleted buckets from all disks.
func listDeletedBuckets(ctx context.Context, storageDisks []StorageAPI, delBuckets map[string]VolInfo, readQuorum int) error {
g := errgroup.WithNErrs(len(storageDisks))

60
cmd/peer-s3-client.go
View File

@ -80,6 +80,51 @@ func NewS3PeerSys(endpoints EndpointServerPools) *S3PeerSys {
}
}
// ListBuckets lists buckets across all servers and returns a possible consistent view
func (sys *S3PeerSys) ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
g := errgroup.WithNErrs(len(sys.peerClients))
localBuckets, err := listBucketsLocal(ctx, opts)
if err != nil {
return nil, err
}
nodeBuckets := make([][]BucketInfo, len(sys.peerClients)+1)
errs := []error{nil}
nodeBuckets[0] = localBuckets
for idx, client := range sys.peerClients {
idx := idx
client := client
g.Go(func() error {
if client == nil {
return errPeerOffline
}
localBuckets, err := client.ListBuckets(ctx, opts)
if err != nil {
return err
}
nodeBuckets[idx+1] = localBuckets
return nil
}, idx)
}
errs = append(errs, g.Wait()...)
quorum := (len(sys.allPeerClients) / 2)
if err = reduceReadQuorumErrs(ctx, errs, bucketOpIgnoredErrs, quorum); err != nil {
return nil, err
}
for idx, buckets := range nodeBuckets {
if errs[idx] == nil {
return buckets, nil
}
}
return []BucketInfo{}, nil
}
// GetBucketInfo returns bucket stat info about bucket on disk across all peers
func (sys *S3PeerSys) GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (binfo BucketInfo, err error) {
g := errgroup.WithNErrs(len(sys.peerClients))
@ -127,6 +172,21 @@ func (sys *S3PeerSys) GetBucketInfo(ctx context.Context, bucket string, opts Buc
return bucketInfo, nil
}
func (client *peerS3Client) ListBuckets(ctx context.Context, opts BucketOptions) ([]BucketInfo, error) {
v := url.Values{}
v.Set(peerS3BucketDeleted, strconv.FormatBool(opts.Deleted))
respBody, err := client.call(peerS3MethodListBuckets, v, nil, -1)
if err != nil {
return nil, err
}
defer xhttp.DrainBody(respBody)
var buckets []BucketInfo
err = gob.NewDecoder(respBody).Decode(&buckets)
return buckets, err
}
// GetBucketInfo returns bucket stat info from a peer
func (client *peerS3Client) GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (BucketInfo, error) {
v := url.Values{}

69
cmd/peer-s3-server.go
View File

@ -22,6 +22,7 @@ import (
"encoding/gob"
"errors"
"net/http"
"sort"
"github.com/gorilla/mux"
"github.com/minio/minio/internal/logger"
@ -41,6 +42,7 @@ const (
peerS3MethodMakeBucket = "/make-bucket"
peerS3MethodGetBucketInfo = "/get-bucket-info"
peerS3MethodDeleteBucket = "/delete-bucket"
peerS3MethodListBuckets = "/list-buckets"
)
const (
@ -77,6 +79,54 @@ func (s *peerS3Server) HealthHandler(w http.ResponseWriter, r *http.Request) {
s.IsValid(w, r)
}
func listBucketsLocal(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error) {
quorum := (len(globalLocalDrives) / 2)
buckets = make([]BucketInfo, 0, 32)
healBuckets := map[string]VolInfo{}
// lists all unique buckets across drives.
if err := listAllBuckets(ctx, globalLocalDrives, healBuckets, quorum); err != nil {
return nil, err
}
// include deleted buckets in listBuckets output
deletedBuckets := map[string]VolInfo{}
if opts.Deleted {
// lists all deleted buckets across drives.
if err := listDeletedBuckets(ctx, globalLocalDrives, deletedBuckets, quorum); err != nil {
return nil, err
}
}
for _, v := range healBuckets {
bi := BucketInfo{
Name: v.Name,
Created: v.Created,
}
if vi, ok := deletedBuckets[v.Name]; ok {
bi.Deleted = vi.Created
}
buckets = append(buckets, bi)
}
for _, v := range deletedBuckets {
if _, ok := healBuckets[v.Name]; !ok {
buckets = append(buckets, BucketInfo{
Name: v.Name,
Deleted: v.Created,
})
}
}
sort.Slice(buckets, func(i, j int) bool {
return buckets[i].Name < buckets[j].Name
})
return buckets, nil
}
func getBucketInfoLocal(ctx context.Context, bucket string, opts BucketOptions) (BucketInfo, error) {
g := errgroup.WithNErrs(len(globalLocalDrives)).WithConcurrency(32)
bucketsInfo := make([]BucketInfo, len(globalLocalDrives))
@ -184,6 +234,24 @@ func makeBucketLocal(ctx context.Context, bucket string, opts MakeBucketOptions)
return reduceWriteQuorumErrs(ctx, errs, bucketOpIgnoredErrs, (len(globalLocalDrives)/2)+1)
}
func (s *peerS3Server) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
return
}
bucketDeleted := r.Form.Get(peerS3BucketDeleted) == "true"
buckets, err := listBucketsLocal(r.Context(), BucketOptions{
Deleted: bucketDeleted,
})
if err != nil {
s.writeErrorResponse(w, err)
return
}
logger.LogIf(r.Context(), gob.NewEncoder(w).Encode(buckets))
}
// GetBucketInfoHandler implements peer BuckeInfo call, returns bucket create date.
func (s *peerS3Server) GetBucketInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
@ -253,4 +321,5 @@ func registerPeerS3Handlers(router *mux.Router) {
subrouter.Methods(http.MethodPost).Path(peerS3VersionPrefix + peerS3MethodMakeBucket).HandlerFunc(httpTraceHdrs(server.MakeBucketHandler))
subrouter.Methods(http.MethodPost).Path(peerS3VersionPrefix + peerS3MethodDeleteBucket).HandlerFunc(httpTraceHdrs(server.DeleteBucketHandler))
subrouter.Methods(http.MethodPost).Path(peerS3VersionPrefix + peerS3MethodGetBucketInfo).HandlerFunc(httpTraceHdrs(server.GetBucketInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerS3VersionPrefix + peerS3MethodListBuckets).HandlerFunc(httpTraceHdrs(server.ListBucketsHandler))
}