filer: support default rack

fix https://github.com/chrislusf/seaweedfs/issues/1546

10 files changed, 317 insertions, 301 deletions

diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto
index dd5d08e1e..40a46b33f 100644
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@@ -218,6 +218,7 @@ message AssignVolumeRequest {
     int32 ttl_sec = 4;
     string data_center = 5;
     string parent_path = 6;
+    string rack = 7;
 }
 
 message AssignVolumeResponse {
diff --git a/weed/command/filer.go b/weed/command/filer.go
index e885eafc4..793401fe3 100644
--- a/weed/command/filer.go
+++ b/weed/command/filer.go
@@ -36,6 +36,7 @@ type FilerOptions struct {
 	maxMB                   *int
 	dirListingLimit         *int
 	dataCenter              *string
+	rack                    *string
 	enableNotification      *bool
 	disableHttp             *bool
 	cipher                  *bool
@@ -59,6 +60,7 @@ func init() {
 	f.maxMB = cmdFiler.Flag.Int("maxMB", 32, "split files larger than the limit")
 	f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size")
 	f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to write to volumes in this data center")
+	f.rack = cmdFiler.Flag.String("rack", "", "prefer to write to volumes in this rack")
 	f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed")
 	f.cipher = cmdFiler.Flag.Bool("encryptVolumeData", false, "encrypt data on volume servers")
 	f.peers = cmdFiler.Flag.String("peers", "", "all filers sharing the same filer store in comma separated ip:port list")
@@ -141,6 +143,7 @@ func (fo *FilerOptions) startFiler() {
 		MaxMB:              *fo.maxMB,
 		DirListingLimit:    *fo.dirListingLimit,
 		DataCenter:         *fo.dataCenter,
+		Rack:               *fo.rack,
 		DefaultLevelDbDir:  defaultLevelDbDirectory,
 		DisableHttp:        *fo.disableHttp,
 		Host:               *fo.ip,
diff --git a/weed/command/server.go b/weed/command/server.go
index 80fb14600..c55d2cfee 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -159,6 +159,7 @@ func runServer(cmd *Command, args []string) bool {
 	masterOptions.whiteList = serverWhiteListOption
 
 	filerOptions.dataCenter = serverDataCenter
+	filerOptions.rack = serverRack
 	filerOptions.disableHttp = serverDisableHttp
 	masterOptions.disableHttp = serverDisableHttp
 
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index dd5d08e1e..40a46b33f 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -218,6 +218,7 @@ message AssignVolumeRequest {
     int32 ttl_sec = 4;
     string data_center = 5;
     string parent_path = 6;
+    string rack = 7;
 }
 
 message AssignVolumeResponse {
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index e89c5f221..36d35eb8b 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -1481,6 +1481,7 @@ type AssignVolumeRequest struct {
 	TtlSec      int32  `protobuf:"varint,4,opt,name=ttl_sec,json=ttlSec,proto3" json:"ttl_sec,omitempty"`
 	DataCenter  string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter,proto3" json:"data_center,omitempty"`
 	ParentPath  string `protobuf:"bytes,6,opt,name=parent_path,json=parentPath,proto3" json:"parent_path,omitempty"`
+	Rack        string `protobuf:"bytes,7,opt,name=rack,proto3" json:"rack,omitempty"`
 }
 
 func (x *AssignVolumeRequest) Reset() {
@@ -1557,6 +1558,13 @@ func (x *AssignVolumeRequest) GetParentPath() string {
 	return ""
 }
 
+func (x *AssignVolumeRequest) GetRack() string {
+	if x != nil {
+		return x.Rack
+	}
+	return ""
+}
+
 type AssignVolumeResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3251,7 +3259,7 @@ var file_filer_proto_rawDesc = []byte{
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@@ -3263,276 +3271,277 @@ var file_filer_proto_rawDesc = []byte{
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+	0x05, 0x4b, 0x76, 0x47, 0x65, 0x74, 0x12, 0x16, 0x2e, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70,
+	0x62, 0x2e, 0x4b, 0x76, 0x47, 0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17,
+	0x2e, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x2e, 0x4b, 0x76, 0x47, 0x65, 0x74, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3a, 0x0a, 0x05, 0x4b, 0x76, 0x50,
+	0x75, 0x74, 0x12, 0x16, 0x2e, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x2e, 0x4b, 0x76,
+	0x50, 0x75, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x66, 0x69, 0x6c,
+	0x65, 0x72, 0x5f, 0x70, 0x62, 0x2e, 0x4b, 0x76, 0x50, 0x75, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x4f, 0x0a, 0x10, 0x73, 0x65, 0x61, 0x77, 0x65, 0x65, 0x64,
+	0x66, 0x73, 0x2e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x42, 0x0a, 0x46, 0x69, 0x6c, 0x65, 0x72,
+	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x5a, 0x2f, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x63, 0x68, 0x72, 0x69, 0x73, 0x6c, 0x75, 0x73, 0x66, 0x2f, 0x73, 0x65, 0x61, 0x77,
+	0x65, 0x65, 0x64, 0x66, 0x73, 0x2f, 0x77, 0x65, 0x65, 0x64, 0x2f, 0x70, 0x62, 0x2f, 0x66, 0x69,
+	0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/weed/server/filer_grpc_server.go b/weed/server/filer_grpc_server.go
index fefc231b3..d6dddf911 100644
--- a/weed/server/filer_grpc_server.go
+++ b/weed/server/filer_grpc_server.go
@@ -257,12 +257,7 @@ func (fs *FilerServer) cleanupChunks(existingEntry *filer.Entry, newEntry *filer
 	garbage = append(garbage, coveredChunks...)
 
 	if newEntry.Attributes != nil {
-		chunks, err = filer.MaybeManifestize(fs.saveAsChunk(
-			newEntry.Attributes.Replication,
-			newEntry.Attributes.Collection,
-			"",
-			needle.SecondsToTTL(newEntry.Attributes.TtlSec),
-			false), chunks)
+		chunks, err = filer.MaybeManifestize(fs.saveAsChunk(newEntry.Attributes.Replication, newEntry.Attributes.Collection, "", "", needle.SecondsToTTL(newEntry.Attributes.TtlSec), false), chunks)
 		if err != nil {
 			// not good, but should be ok
 			glog.V(0).Infof("MaybeManifestize: %v", err)
@@ -303,12 +298,7 @@ func (fs *FilerServer) AppendToEntry(ctx context.Context, req *filer_pb.AppendTo
 
 	entry.Chunks = append(entry.Chunks, req.Chunks...)
 
-	entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk(
-		entry.Replication,
-		entry.Collection,
-		"",
-		needle.SecondsToTTL(entry.TtlSec),
-		false), entry.Chunks)
+	entry.Chunks, err = filer.MaybeManifestize(fs.saveAsChunk(entry.Replication, entry.Collection, "", "", needle.SecondsToTTL(entry.TtlSec), false), entry.Chunks)
 	if err != nil {
 		// not good, but should be ok
 		glog.V(0).Infof("MaybeManifestize: %v", err)
@@ -345,6 +335,10 @@ func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVol
 	if dataCenter == "" {
 		dataCenter = fs.option.DataCenter
 	}
+	rack := req.Rack
+	if rack == "" {
+		rack = fs.option.Rack
+	}
 
 	assignRequest := &operation.VolumeAssignRequest{
 		Count:       uint64(req.Count),
@@ -352,14 +346,16 @@ func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVol
 		Collection:  collection,
 		Ttl:         ttlStr,
 		DataCenter:  dataCenter,
+		Rack:        rack,
 	}
-	if dataCenter != "" {
+	if dataCenter != "" || rack != "" {
 		altRequest = &operation.VolumeAssignRequest{
 			Count:       uint64(req.Count),
 			Replication: replication,
 			Collection:  collection,
 			Ttl:         ttlStr,
 			DataCenter:  "",
+			Rack:        "",
 		}
 	}
 	assignResult, err := operation.Assign(fs.filer.GetMaster(), fs.grpcDialOption, assignRequest, altRequest)
diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index 59c149cef..065bb3251 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -3,12 +3,13 @@ package weed_server
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/stats"
 	"net/http"
 	"os"
 	"sync"
 	"time"
 
+	"github.com/chrislusf/seaweedfs/weed/stats"
+
 	"google.golang.org/grpc"
 
 	"github.com/chrislusf/seaweedfs/weed/util/grace"
@@ -47,6 +48,7 @@ type FilerOption struct {
 	MaxMB              int
 	DirListingLimit    int
 	DataCenter         string
+	Rack               string
 	DefaultLevelDbDir  string
 	DisableHttp        bool
 	Host               string
diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go
index 584ab9823..267b8752d 100644
--- a/weed/server/filer_server_handlers_write.go
+++ b/weed/server/filer_server_handlers_write.go
@@ -29,7 +29,7 @@ type FilerPostResult struct {
 	Url   string `json:"url,omitempty"`
 }
 
-func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, ttlString string, fsync bool) (fileId, urlLocation string, auth security.EncodedJwt, err error) {
+func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, rack, ttlString string, fsync bool) (fileId, urlLocation string, auth security.EncodedJwt, err error) {
 
 	stats.FilerRequestCounter.WithLabelValues("assign").Inc()
 	start := time.Now()
@@ -43,13 +43,14 @@ func (fs *FilerServer) assignNewFileInfo(replication, collection, dataCenter, tt
 		DataCenter:  dataCenter,
 	}
 	var altRequest *operation.VolumeAssignRequest
-	if dataCenter != "" {
+	if dataCenter != "" || rack != "" {
 		altRequest = &operation.VolumeAssignRequest{
 			Count:       1,
 			Replication: replication,
 			Collection:  collection,
 			Ttl:         ttlString,
 			DataCenter:  "",
+			Rack:        "",
 		}
 	}
 
@@ -78,6 +79,10 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 	if dataCenter == "" {
 		dataCenter = fs.option.DataCenter
 	}
+	rack := query.Get("rack")
+	if dataCenter == "" {
+		rack = fs.option.Rack
+	}
 	ttlString := r.URL.Query().Get("ttl")
 
 	// read ttl in seconds
@@ -87,7 +92,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 		ttlSeconds = int32(ttl.Minutes()) * 60
 	}
 
-	fs.autoChunk(ctx, w, r, replication, collection, dataCenter, ttlSeconds, ttlString, fsync)
+	fs.autoChunk(ctx, w, r, replication, collection, dataCenter, rack, ttlSeconds, ttlString, fsync)
 
 }
 
diff --git a/weed/server/filer_server_handlers_write_autochunk.go b/weed/server/filer_server_handlers_write_autochunk.go
index 2b37e3c5d..d86d49b2a 100644
--- a/weed/server/filer_server_handlers_write_autochunk.go
+++ b/weed/server/filer_server_handlers_write_autochunk.go
@@ -23,8 +23,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
-func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request,
-	replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) {
+func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) {
 
 	// autoChunking can be set at the command-line level or as a query param. Query param overrides command-line
 	query := r.URL.Query()
@@ -50,10 +49,10 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *
 		if r.Header.Get("Content-Type") == "" && strings.HasSuffix(r.URL.Path, "/") {
 			reply, err = fs.mkdir(ctx, w, r)
 		} else {
-			reply, md5bytes, err = fs.doPostAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync)
+			reply, md5bytes, err = fs.doPostAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, rack, ttlSec, ttlString, fsync)
 		}
 	} else {
-		reply, md5bytes, err = fs.doPutAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, ttlSec, ttlString, fsync)
+		reply, md5bytes, err = fs.doPutAutoChunk(ctx, w, r, chunkSize, replication, collection, dataCenter, rack, ttlSec, ttlString, fsync)
 	}
 	if err != nil {
 		writeJsonError(w, r, http.StatusInternalServerError, err)
@@ -65,7 +64,7 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *
 	}
 }
 
-func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) {
+func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) {
 
 	multipartReader, multipartReaderErr := r.MultipartReader()
 	if multipartReaderErr != nil {
@@ -86,12 +85,12 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite
 		contentType = ""
 	}
 
-	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, part1, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync)
+	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, part1, chunkSize, replication, collection, dataCenter, rack, ttlString, fileName, contentType, fsync)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks)
+	fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, rack, ttlString, fsync), fileChunks)
 	if replyerr != nil {
 		glog.V(0).Infof("manifestize %s: %v", r.RequestURI, replyerr)
 		return
@@ -103,17 +102,17 @@ func (fs *FilerServer) doPostAutoChunk(ctx context.Context, w http.ResponseWrite
 	return
 }
 
-func (fs *FilerServer) doPutAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) {
+func (fs *FilerServer) doPutAutoChunk(ctx context.Context, w http.ResponseWriter, r *http.Request, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlSec int32, ttlString string, fsync bool) (filerResult *FilerPostResult, md5bytes []byte, replyerr error) {
 
 	fileName := ""
 	contentType := ""
 
-	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, r.Body, chunkSize, replication, collection, dataCenter, ttlString, fileName, contentType, fsync)
+	fileChunks, md5Hash, chunkOffset, err := fs.uploadReaderToChunks(w, r, r.Body, chunkSize, replication, collection, dataCenter, rack, ttlString, fileName, contentType, fsync)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, ttlString, fsync), fileChunks)
+	fileChunks, replyerr = filer.MaybeManifestize(fs.saveAsChunk(replication, collection, dataCenter, rack, ttlString, fsync), fileChunks)
 	if replyerr != nil {
 		glog.V(0).Infof("manifestize %s: %v", r.RequestURI, replyerr)
 		return
@@ -186,7 +185,7 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 	return filerResult, replyerr
 }
 
-func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, replication string, collection string, dataCenter string, ttlString string, fileName string, contentType string, fsync bool) ([]*filer_pb.FileChunk, hash.Hash, int64, error) {
+func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, replication string, collection string, dataCenter string, rack string, ttlString string, fileName string, contentType string, fsync bool) ([]*filer_pb.FileChunk, hash.Hash, int64, error) {
 	var fileChunks []*filer_pb.FileChunk
 
 	md5Hash := md5.New()
@@ -198,7 +197,7 @@ func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Reque
 		limitedReader := io.LimitReader(partReader, int64(chunkSize))
 
 		// assign one file id for one chunk
-		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync)
+		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync)
 		if assignErr != nil {
 			return nil, nil, 0, assignErr
 		}
@@ -242,11 +241,11 @@ func (fs *FilerServer) doUpload(urlLocation string, w http.ResponseWriter, r *ht
 	return uploadResult, err
 }
 
-func (fs *FilerServer) saveAsChunk(replication string, collection string, dataCenter string, ttlString string, fsync bool) filer.SaveDataAsChunkFunctionType {
+func (fs *FilerServer) saveAsChunk(replication string, collection string, dataCenter string, rack string, ttlString string, fsync bool) filer.SaveDataAsChunkFunctionType {
 
 	return func(reader io.Reader, name string, offset int64) (*filer_pb.FileChunk, string, string, error) {
 		// assign one file id for one chunk
-		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync)
+		fileId, urlLocation, auth, assignErr := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync)
 		if assignErr != nil {
 			return nil, "", "", assignErr
 		}
diff --git a/weed/server/filer_server_handlers_write_cipher.go b/weed/server/filer_server_handlers_write_cipher.go
index 60082a8d4..720d97027 100644
--- a/weed/server/filer_server_handlers_write_cipher.go
+++ b/weed/server/filer_server_handlers_write_cipher.go
@@ -16,10 +16,9 @@ import (
 )
 
 // handling single chunk POST or PUT upload
-func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *http.Request,
-	replication string, collection string, dataCenter string, ttlSeconds int32, ttlString string, fsync bool) (filerResult *FilerPostResult, err error) {
+func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *http.Request, replication string, collection string, dataCenter string, rack string, ttlSeconds int32, ttlString string, fsync bool) (filerResult *FilerPostResult, err error) {
 
-	fileId, urlLocation, auth, err := fs.assignNewFileInfo(replication, collection, dataCenter, ttlString, fsync)
+	fileId, urlLocation, auth, err := fs.assignNewFileInfo(replication, collection, dataCenter, rack, ttlString, fsync)
 
 	if err != nil || fileId == "" || urlLocation == "" {
 		return nil, fmt.Errorf("fail to allocate volume for %s, collection:%s, datacenter:%s", r.URL.Path, collection, dataCenter)