Merge pull request #28 from chrislusf/master

sync

k8s/seaweedfs/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-version: 2.04
+version: 2.05

k8s/seaweedfs/templates/filer-service.yaml

@@ -17,6 +17,12 @@ spec:
     port: {{ .Values.filer.grpcPort }}
     targetPort: {{ .Values.filer.grpcPort }}
     protocol: TCP
+{{- if .Values.filer.metricsPort }}
+  - name: "swfs-filer-metrics"
+    port: {{ .Values.filer.metricsPort }}
+    targetPort: {{ .Values.filer.metricsPort }}
+    protocol: TCP
+{{- end }}
   selector:
     app: {{ template "seaweedfs.name" . }}
     component: filer

k8s/seaweedfs/templates/filer-servicemonitor.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.filer.metricsPort }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "seaweedfs.name" . }}-filer
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app: {{ template "seaweedfs.name" . }}
+    component: filer
+spec:
+  endpoints:
+    - interval: 30s
+      port: swfs-filer-metrics
+      scrapeTimeout: 5s
+  selector:
+    app: {{ template "seaweedfs.name" . }}
+    component: filer
+{{- end }}

k8s/seaweedfs/templates/filer-statefulset.yaml

@@ -99,6 +99,9 @@ spec:
               {{- end }}
               filer \
               -port={{ .Values.filer.port }} \
+              {{- if .Values.filer.metricsPort }}
+              -metricsPort {{ .Values.filer.metricsPort }} \
+              {{- end }}}
               {{- if .Values.filer.redirectOnRead }}
               -redirectOnRead \
               {{- end }}

k8s/seaweedfs/templates/s3-deployment.yaml

@@ -71,6 +71,9 @@ spec:
               {{- end }}
               s3 \
               -port={{ .Values.s3.port }} \
+              {{- if .Values.s3.metricsPort }}
+              -metricsPort {{ .Values.s3.metricsPort }} \
+              {{- end }}}
               {{- if .Values.global.enableSecurity }}
               -cert.file=/usr/local/share/ca-certificates/client/tls.crt \
               -key.file=/usr/local/share/ca-certificates/client/tls.key \

k8s/seaweedfs/templates/s3-service.yaml

@@ -12,6 +12,12 @@ spec:
     port: {{ .Values.s3.port }}
     targetPort: {{ .Values.s3.port }}
     protocol: TCP
+{{- if .Values.s3.metricsPort }}
+  - name: "swfs-s3-metrics"
+    port: {{ .Values.filer.s3 }}
+    targetPort: {{ .Values.s3.metricsPort }}
+    protocol: TCP
+{{- end }}}
   selector:
     app: {{ template "seaweedfs.name" . }}
     component: s3

k8s/seaweedfs/templates/s3-servicemonitor.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.s3.metricsPort }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "seaweedfs.name" . }}-s3
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app: {{ template "seaweedfs.name" . }}
+    component: s3
+spec:
+  endpoints:
+    - interval: 30s
+      port: swfs-s3-metrics
+      scrapeTimeout: 5s
+  selector:
+    app: {{ template "seaweedfs.name" . }}
+    component: s3
+{{- end }}}

k8s/seaweedfs/templates/volume-service.yaml

@@ -17,6 +17,12 @@ spec:
     port: {{ .Values.volume.grpcPort }}
     targetPort: {{ .Values.volume.grpcPort }}
     protocol: TCP
+{{- if .Values.volume.metricsPort }}
+  - name: "swfs-volume-metrics"
+    port: {{ .Values.volume.metricsPort }}
+    targetPort: {{ .Values.volume.metricsPort }}
+    protocol: TCP
+{{- end }}}
 selector:
     app: {{ template "seaweedfs.name" . }}
     component: volume

k8s/seaweedfs/templates/volume-servicemonitor.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.volume.metricsPort }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ template "seaweedfs.name" . }}-volume
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app: {{ template "seaweedfs.name" . }}
+    component: volume
+spec:
+  endpoints:
+    - interval: 30s
+      port: swfs-volume-metrics
+      scrapeTimeout: 5s
+  selector:
+    app: {{ template "seaweedfs.name" . }}
+    component: volume
+{{- end }}}

k8s/seaweedfs/templates/volume-statefulset.yaml

@@ -76,6 +76,9 @@ spec:
                 {{- end }}
                 volume \
                 -port={{ .Values.volume.port }} \
+                {{- if .Values.volume.metricsPort }}
+                -metricsPort {{ .Values.volume.metricsPort }} \
+                {{- end }}}
                 -dir={{ .Values.volume.dir }} \
                 -max={{ .Values.volume.maxVolumes }} \
                 {{- if .Values.volume.rack }}

k8s/seaweedfs/values.yaml

@@ -4,7 +4,7 @@ global:
   registry: ""
   repository: ""
   imageName: chrislusf/seaweedfs
-  imageTag: "2.04"
+  imageTag: "2.05"
   imagePullPolicy: IfNotPresent
   imagePullSecrets: imagepullsecret
   restartPolicy: Always
@@ -121,6 +121,7 @@ volume:
   restartPolicy: null
   port: 8080
   grpcPort: 18080
+  metricsPort: 9327
   ipBind: "0.0.0.0"
   replicas: 1
   loggingOverrideLevel: null
@@ -209,6 +210,7 @@ filer:
   replicas: 1
   port: 8888
   grpcPort: 18888
+  metricsPort: 9327
   loggingOverrideLevel: null
   #  replication type is XYZ:
   # X number of replica in other data centers
@@ -313,6 +315,7 @@ s3:
   restartPolicy: null
   replicas: 1
   port: 8333
+  metricsPort: 9327
   loggingOverrideLevel: null
 
   # Suffix of the host name, {bucket}.{domainName}

other/java/client/src/main/proto/filer.proto

@@ -37,6 +37,9 @@ service SeaweedFiler {
     rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
     }
 
+    rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
+    }
+
     rpc DeleteCollection (DeleteCollectionRequest) returns (DeleteCollectionResponse) {
     }
 
@@ -244,6 +247,16 @@ message LookupVolumeResponse {
     map<string, Locations> locations_map = 1;
 }
 
+message Collection {
+    string name = 1;
+}
+message CollectionListRequest {
+    bool include_normal_volumes = 1;
+    bool include_ec_volumes = 2;
+}
+message CollectionListResponse {
+    repeated Collection collections = 1;
+}
 message DeleteCollectionRequest {
     string collection = 1;
 }

weed/Makefile

@@ -25,3 +25,7 @@ debug_server:
 debug_volume:
 	go build -gcflags="all=-N -l"
 	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- volume -dir=/Volumes/mobile_disk/100 -port 8564 -max=30 -preStopSeconds=2
+
+debug_webdav:
+	go build -gcflags="all=-N -l"
+	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- -v=4 webdav

weed/command/master.go

@@ -145,7 +145,7 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 	go func() {
 		time.Sleep(1500 * time.Millisecond)
 		if ms.Topo.RaftServer.Leader() == "" && ms.Topo.RaftServer.IsLogEmpty() && isTheFirstOne(myMasterAddress, peers) {
-			if ms.MasterClient.FindLeader(myMasterAddress) == "" {
+			if ms.MasterClient.FindLeaderFromOtherPeers(myMasterAddress) == "" {
 				raftServer.DoJoinCommand()
 			}
 		}

weed/filer/abstract_sql/abstract_sql_store_kv.go

@@ -3,6 +3,7 @@ package abstract_sql
 import (
 	"context"
 	"database/sql"
+	"encoding/base64"
 	"fmt"
 	"strings"
 
@@ -80,8 +81,8 @@ func genDirAndName(key []byte) (dirStr string, dirHash int64, name string) {
 	}
 
 	dirHash = int64(util.BytesToUint64(key[:8]))
-	dirStr = string(key[:8])
-	name = string(key[8:])
+	dirStr = base64.StdEncoding.EncodeToString(key[:8])
+	name = base64.StdEncoding.EncodeToString(key[8:])
 
 	return
 }

weed/filer/cassandra/cassandra_store_kv.go

@@ -2,6 +2,7 @@ package cassandra
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/gocql/gocql"
@@ -54,8 +55,8 @@ func genDirAndName(key []byte) (dir string, name string) {
 		key = append(key, 0)
 	}
 
-	dir = string(key[:8])
-	name = string(key[8:])
+	dir = base64.StdEncoding.EncodeToString(key[:8])
+	name = base64.StdEncoding.EncodeToString(key[8:])
 
 	return
 }

weed/filesys/dirty_page.go

@@ -6,6 +6,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"io"
 	"sync"
+	"time"
 )
 
 type ContinuousDirtyPages struct {
@@ -13,6 +14,7 @@ type ContinuousDirtyPages struct {
 	f                      *File
 	writeWaitGroup         sync.WaitGroup
 	chunkSaveErrChan       chan error
+	chunkSaveErrChanClosed bool
 	lock                   sync.Mutex
 	collection             string
 	replication            string
@@ -81,6 +83,12 @@ func (pages *ContinuousDirtyPages) saveExistingLargestPageToStorage() (hasSavedD
 
 func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64, size int64) {
 
+	if pages.chunkSaveErrChanClosed {
+		pages.chunkSaveErrChan = make(chan error, 8)
+		pages.chunkSaveErrChanClosed = false
+	}
+
+	mtime := time.Now().UnixNano()
 	pages.writeWaitGroup.Add(1)
 	go func() {
 		defer pages.writeWaitGroup.Done()
@@ -94,19 +102,13 @@ func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64,
 			pages.chunkSaveErrChan <- err
 			return
 		}
+		chunk.Mtime = mtime
 		pages.collection, pages.replication = collection, replication
 		pages.f.addChunks([]*filer_pb.FileChunk{chunk})
 		pages.chunkSaveErrChan <- nil
 	}()
 }
 
-func maxUint64(x, y uint64) uint64 {
-	if x > y {
-		return x
-	}
-	return y
-}
-
 func max(x, y int64) int64 {
 	if x > y {
 		return x

weed/filesys/filehandle.go

@@ -77,6 +77,10 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
 		totalRead = max(maxStop-req.Offset, totalRead)
 	}
 
+	if err == io.EOF {
+		err = nil
+	}
+
 	if err != nil {
 		glog.Warningf("file handle read %s %d: %v", fh.f.fullpath(), totalRead, err)
 		return fuse.EIO
@@ -122,11 +126,7 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
 
 	totalRead, err := fh.f.reader.ReadAt(buff, offset)
 
-	if err == io.EOF {
-		err = nil
-	}
-
-	if err != nil {
+	if err != nil && err != io.EOF{
 		glog.Errorf("file handle read %s: %v", fh.f.fullpath(), err)
 	}
 
@@ -179,10 +179,16 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
 	}
 
 	if fh.f.isOpen == 0 {
-		fh.doFlush(ctx, req.Header)
+		if err := fh.doFlush(ctx, req.Header); err != nil {
+			glog.Errorf("Release doFlush %s: %v", fh.f.Name, err)
+		}
 		fh.f.wfs.ReleaseHandle(fh.f.fullpath(), fuse.HandleID(fh.handle))
 	}
 
+	// stop the goroutine
+	fh.dirtyPages.chunkSaveErrChanClosed = true
+	close(fh.dirtyPages.chunkSaveErrChan)
+
 	return nil
 }
 

weed/pb/filer.proto

@@ -37,6 +37,9 @@ service SeaweedFiler {
     rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
     }
 
+    rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
+    }
+
     rpc DeleteCollection (DeleteCollectionRequest) returns (DeleteCollectionResponse) {
     }
 
@@ -244,6 +247,16 @@ message LookupVolumeResponse {
     map<string, Locations> locations_map = 1;
 }
 
+message Collection {
+    string name = 1;
+}
+message CollectionListRequest {
+    bool include_normal_volumes = 1;
+    bool include_ec_volumes = 2;
+}
+message CollectionListResponse {
+    repeated Collection collections = 1;
+}
 message DeleteCollectionRequest {
     string collection = 1;
 }

weed/s3api/s3api_bucket_handlers.go

@@ -58,8 +58,36 @@ func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request)
 
 	bucket, _ := getBucketAndObject(r)
 
+	// avoid duplicated buckets
+	errCode := s3err.ErrNone
+	if err := s3a.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+		if resp, err := client.CollectionList(context.Background(), &filer_pb.CollectionListRequest{
+			IncludeEcVolumes:     true,
+			IncludeNormalVolumes: true,
+		}); err != nil {
+			glog.Errorf("list collection: %v", err)
+			return fmt.Errorf("list collections: %v", err)
+		}else {
+			for _, c := range resp.Collections {
+				if bucket == c.Name {
+					errCode = s3err.ErrBucketAlreadyExists
+					break
+				}
+			}
+		}
+		return nil
+	}); err != nil {
+		writeErrorResponse(w, s3err.ErrInternalError, r.URL)
+		return
+	}
+	if errCode != s3err.ErrNone {
+		writeErrorResponse(w, errCode, r.URL)
+		return
+	}
+
 	// create the folder for bucket, but lazily create actual collection
 	if err := s3a.mkdir(s3a.option.BucketsPath, bucket, nil); err != nil {
+		glog.Errorf("PutBucketHandler mkdir: %v", err)
 		writeErrorResponse(w, s3err.ErrInternalError, r.URL)
 		return
 	}

weed/server/filer_grpc_server.go

@@ -383,6 +383,28 @@ func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVol
 	}, nil
 }
 
+func (fs *FilerServer) CollectionList(ctx context.Context, req *filer_pb.CollectionListRequest) (resp *filer_pb.CollectionListResponse, err error) {
+
+	glog.V(4).Infof("CollectionList %v", req)
+	resp = &filer_pb.CollectionListResponse{}
+
+	err = fs.filer.MasterClient.WithClient(func(client master_pb.SeaweedClient) error {
+		masterResp, err := client.CollectionList(context.Background(), &master_pb.CollectionListRequest{
+			IncludeNormalVolumes: req.IncludeNormalVolumes,
+			IncludeEcVolumes:     req.IncludeEcVolumes,
+		})
+		if err != nil {
+			return err
+		}
+		for _, c := range masterResp.Collections {
+			resp.Collections = append(resp.Collections, &filer_pb.Collection{Name: c.Name})
+		}
+		return nil
+	})
+
+	return
+}
+
 func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.DeleteCollectionRequest) (resp *filer_pb.DeleteCollectionResponse, err error) {
 
 	glog.V(4).Infof("DeleteCollection %v", req)

weed/server/webdav_server.go

@@ -489,11 +489,7 @@ func (f *WebDavFile) Read(p []byte) (readSize int, err error) {
 	glog.V(3).Infof("WebDavFileSystem.Read %v: [%d,%d)", f.name, f.off, f.off+int64(readSize))
 	f.off += int64(readSize)
 
-	if err == io.EOF {
-		err = nil
-	}
-
-	if err != nil {
+	if err != nil && err != io.EOF {
 		glog.Errorf("file read %s: %v", f.name, err)
 	}
 

weed/stats/metrics.go

@@ -77,6 +77,14 @@ var (
 			Help:      "Number of volumes or shards.",
 		}, []string{"collection", "type"})
 
+	VolumeServerReadOnlyVolumeGauge = prometheus.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Namespace: "SeaweedFS",
+			Subsystem: "volumeServer",
+			Name:      "read_only_volumes",
+			Help:      "Number of read only volumes.",
+		}, []string{"collection", "type"})
+
 	VolumeServerMaxVolumeCounter = prometheus.NewGauge(
 		prometheus.GaugeOpts{
 			Namespace: "SeaweedFS",
@@ -122,6 +130,7 @@ func init() {
 	Gather.MustRegister(VolumeServerRequestHistogram)
 	Gather.MustRegister(VolumeServerVolumeCounter)
 	Gather.MustRegister(VolumeServerMaxVolumeCounter)
+	Gather.MustRegister(VolumeServerReadOnlyVolumeGauge)
 	Gather.MustRegister(VolumeServerDiskSizeGauge)
 
 	Gather.MustRegister(S3RequestCounter)

weed/storage/store.go

@@ -200,6 +200,7 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 	maxVolumeCount := 0
 	var maxFileKey NeedleId
 	collectionVolumeSize := make(map[string]uint64)
+	collectionVolumeReadOnlyCount := make(map[string]uint8)
 	for _, location := range s.Locations {
 		var deleteVids []needle.VolumeId
 		maxVolumeCount = maxVolumeCount + location.MaxVolumeCount
@@ -219,6 +220,9 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 			}
 			fileSize, _, _ := v.FileStat()
 			collectionVolumeSize[v.Collection] += fileSize
+			if v.IsReadOnly() {
+				collectionVolumeReadOnlyCount[v.Collection] += 1
+			}
 		}
 		location.volumesLock.RUnlock()
 
@@ -243,6 +247,10 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 		stats.VolumeServerDiskSizeGauge.WithLabelValues(col, "normal").Set(float64(size))
 	}
 
+	for col, count := range collectionVolumeReadOnlyCount {
+		stats.VolumeServerReadOnlyVolumeGauge.WithLabelValues(col, "normal").Set(float64(count))
+	}
+
 	return &master_pb.Heartbeat{
 		Ip:             s.Ip,
 		Port:           uint32(s.Port),

weed/util/constants.go

@@ -5,7 +5,7 @@ import (
 )
 
 var (
-	VERSION = fmt.Sprintf("%s %d.%02d", sizeLimit, 2, 04)
+	VERSION = fmt.Sprintf("%s %d.%02d", sizeLimit, 2, 05)
 	COMMIT  = ""
 )
 

weed/wdclient/masterclient.go

@@ -52,7 +52,7 @@ func (mc *MasterClient) KeepConnectedToMaster() {
 	}
 }
 
-func (mc *MasterClient) FindLeader(myMasterAddress string) (leader string) {
+func (mc *MasterClient) FindLeaderFromOtherPeers(myMasterAddress string) (leader string) {
 	for _, master := range mc.masters {
 		if master == myMasterAddress {
 			continue