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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,298 @@ | ||
| // Copyright 2024 Matrix Origin | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package fileservice | ||
|
|
||
| import ( | ||
| "context" | ||
| "io" | ||
| "iter" | ||
| "net/url" | ||
| "os" | ||
| "path" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/colinmarc/hdfs/v2" | ||
| "github.com/matrixorigin/matrixone/pkg/common/moerr" | ||
| "github.com/matrixorigin/matrixone/pkg/logutil" | ||
| "github.com/matrixorigin/matrixone/pkg/perfcounter" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| type HDFS struct { | ||
| name string | ||
| client *hdfs.Client | ||
| perfCounterSets []*perfcounter.CounterSet | ||
| keyPrefix string | ||
| } | ||
|
|
||
| func NewHDFS( | ||
| ctx context.Context, | ||
| args ObjectStorageArguments, | ||
| perfCounterSets []*perfcounter.CounterSet, | ||
| ) (*HDFS, error) { | ||
|
|
||
| if err := args.validate(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| u, err := url.Parse(args.Endpoint) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| client, err := hdfs.NewClient(hdfs.ClientOptions{ | ||
| Addresses: []string{ | ||
| u.Host, | ||
| }, | ||
| User: firstNonZero(args.User, "hadoop"), | ||
| NamenodeDialFunc: httpDialer.DialContext, | ||
| DatanodeDialFunc: httpDialer.DialContext, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| logutil.Info("new object storage", | ||
| zap.Any("sdk", "hdfs"), | ||
| zap.Any("arguments", args), | ||
| ) | ||
|
|
||
| return &HDFS{ | ||
| name: args.Name, | ||
| client: client, | ||
| perfCounterSets: perfCounterSets, | ||
| keyPrefix: path.Clean(args.KeyPrefix), | ||
| }, nil | ||
| } | ||
|
|
||
| var _ ObjectStorage = new(HDFS) | ||
|
|
||
| func (h *HDFS) Delete(ctx context.Context, keys ...string) (err error) { | ||
| if err := ctx.Err(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.Delete.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| for _, key := range keys { | ||
| _, err := DoWithRetry("HDFS: delete", func() (bool, error) { | ||
| return true, h.client.Remove(h.keyToPath(key)) | ||
| }, maxRetryAttemps, IsRetryableError) | ||
| if err != nil { | ||
| logutil.Warn("HDFS: delete file", zap.Error(err)) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (h *HDFS) keyToPath(key string) string { | ||
| return path.Join(h.keyPrefix, key) | ||
| } | ||
|
|
||
| func (h *HDFS) Exists(ctx context.Context, key string) (bool, error) { | ||
| if err := ctx.Err(); err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.Head.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| _, err := h.client.Stat(h.keyToPath(key)) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| return false, nil | ||
| } | ||
| return false, err | ||
| } | ||
|
|
||
| return true, nil | ||
| } | ||
|
|
||
| func (h *HDFS) List(ctx context.Context, prefix string) iter.Seq2[*DirEntry, error] { | ||
| return func(yield func(*DirEntry, error) bool) { | ||
| if err := ctx.Err(); err != nil { | ||
| yield(nil, err) | ||
| return | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.List.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| dir, prefix := path.Split(prefix) | ||
|
|
||
| f, err := h.client.Open(h.keyToPath(dir)) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| return | ||
| } | ||
| yield(nil, err) | ||
| return | ||
| } | ||
| defer f.Close() | ||
|
|
||
| read: | ||
| for { | ||
| infos, err := f.Readdir(256) | ||
|
|
||
| for _, info := range infos { | ||
| name := info.Name() | ||
| if strings.HasSuffix(name, ".mofstemp") { | ||
| continue | ||
| } | ||
| if !strings.HasPrefix(name, prefix) { | ||
| continue | ||
| } | ||
| if !yield(&DirEntry{ | ||
| IsDir: info.IsDir(), | ||
| Name: path.Join(dir, name), | ||
| Size: info.Size(), | ||
| }, nil) { | ||
| break read | ||
| } | ||
| } | ||
|
|
||
| if err != nil { | ||
| if err == io.EOF { | ||
| break read | ||
| } | ||
| yield(nil, err) | ||
| return | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } | ||
| } | ||
|
|
||
| func (h *HDFS) Read(ctx context.Context, key string, min *int64, max *int64) (r io.ReadCloser, err error) { | ||
| if err := ctx.Err(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.Get.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| f, err := h.client.Open(h.keyToPath(key)) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| return nil, moerr.NewFileNotFoundNoCtx(key) | ||
| } | ||
| return nil, err | ||
| } | ||
|
|
||
| var reader io.Reader | ||
| reader = f | ||
|
|
||
| if min != nil { | ||
| pos, err := f.Seek(*min, io.SeekStart) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if pos != *min { | ||
| return nil, moerr.NewEmptyRangeNoCtx(key) | ||
| } | ||
| } | ||
|
|
||
| if max != nil { | ||
| limit := *max | ||
| if min != nil { | ||
| limit -= *min | ||
| } | ||
| if limit <= 0 { | ||
| return nil, moerr.NewEmptyRangeNoCtx(key) | ||
| } | ||
| reader = io.LimitReader(reader, limit) | ||
| } | ||
|
|
||
| return &readCloser{ | ||
| r: reader, | ||
| closeFunc: f.Close, | ||
| }, nil | ||
| } | ||
|
|
||
| func (h *HDFS) Stat(ctx context.Context, key string) (size int64, err error) { | ||
| if err := ctx.Err(); err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.Head.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| stat, err := h.client.Stat(h.keyToPath(key)) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| return 0, moerr.NewFileNotFoundNoCtx(key) | ||
| } | ||
| return 0, err | ||
| } | ||
|
|
||
| size = stat.Size() | ||
|
|
||
| return | ||
| } | ||
|
|
||
| func (h *HDFS) Write(ctx context.Context, key string, r io.Reader, sizeHint *int64, expire *time.Time) (err error) { | ||
| if err := ctx.Err(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| perfcounter.Update(ctx, func(counter *perfcounter.CounterSet) { | ||
| counter.FileService.S3.Put.Add(1) | ||
| }, h.perfCounterSets...) | ||
|
|
||
| tempFilePath := h.keyToPath(key) + ".mofstemp" | ||
| tempFile, err := h.client.Create(tempFilePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| n, err := io.Copy( | ||
| tempFile, | ||
| r, | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if sizeHint != nil && n != *sizeHint { | ||
| return moerr.NewSizeNotMatchNoCtx(key) | ||
| } | ||
|
|
||
| if err := tempFile.Close(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| filePath := h.keyToPath(key) | ||
| err = h.client.MkdirAll(path.Dir(filePath), 0755) | ||
| if err != nil { | ||
| if !os.IsExist(err) { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| if err := os.Rename(tempFilePath, filePath); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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