master add grpc API for fileid assigning

weed/operation/assign_file_id.go

@@ -1,13 +1,9 @@
 package operation
 
 import (
-	"encoding/json"
 	"fmt"
-	"net/url"
+	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
-	"strconv"
+	"context"
-
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
 type VolumeAssignRequest struct {
@@ -29,52 +25,54 @@ type AssignResult struct {
 }
 
 func Assign(server string, primaryRequest *VolumeAssignRequest, alternativeRequests ...*VolumeAssignRequest) (*AssignResult, error) {
+
 	var requests []*VolumeAssignRequest
 	requests = append(requests, primaryRequest)
 	requests = append(requests, alternativeRequests...)
 
 	var lastError error
+	ret := &AssignResult{}
+
 	for i, request := range requests {
 		if request == nil {
 			continue
 		}
-		values := make(url.Values)
+
-		values.Add("count", strconv.FormatUint(request.Count, 10))
+		lastError = withMasterServerClient(server, func(masterClient master_pb.SeaweedClient) error {
-		if request.Replication != "" {
+			req := &master_pb.AssignRequest{
-			values.Add("replication", request.Replication)
+				Count:       primaryRequest.Count,
+				Replication: primaryRequest.Replication,
+				Collection:  primaryRequest.Collection,
+				Ttl:         primaryRequest.Ttl,
+				DataCenter:  primaryRequest.DataCenter,
+				Rack:        primaryRequest.Rack,
+				DataNode:    primaryRequest.DataNode,
 			}
-		if request.Collection != "" {
+			resp, grpcErr := masterClient.Assign(context.Background(), req)
-			values.Add("collection", request.Collection)
+			if grpcErr != nil {
-		}
+				return grpcErr
-		if request.Ttl != "" {
-			values.Add("ttl", request.Ttl)
-		}
-		if request.DataCenter != "" {
-			values.Add("dataCenter", request.DataCenter)
-		}
-		if request.Rack != "" {
-			values.Add("rack", request.Rack)
-		}
-		if request.DataNode != "" {
-			values.Add("dataNode", request.DataNode)
 			}
 
-		postUrl := fmt.Sprintf("http://%s/dir/assign", server)
+			ret.Count = resp.Count
-		jsonBlob, err := util.Post(postUrl, values)
+			ret.Fid = resp.Fid
-		glog.V(2).Infof("assign %d result from %s %+v : %s", i, postUrl, values, string(jsonBlob))
+			ret.Url = resp.Url
-		if err != nil {
+			ret.PublicUrl = resp.PublicUrl
-			return nil, err
+			ret.Error = resp.Error
-		}
+
-		var ret AssignResult
+			return nil
-		err = json.Unmarshal(jsonBlob, &ret)
+
-		if err != nil {
+		})
-			return nil, fmt.Errorf("/dir/assign result JSON unmarshal error:%v, json:%s", err, string(jsonBlob))
+
+		if lastError != nil {
+			continue
 		}
+
 		if ret.Count <= 0 {
 			lastError = fmt.Errorf("assign failure %d: %v", i+1, ret.Error)
 			continue
 		}
-		return &ret, nil
+
 	}
-	return nil, lastError
+
+	return ret, lastError
 }

weed/pb/master.proto

@@ -11,6 +11,8 @@ service Seaweed {
     }
     rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
     }
+    rpc Assign (AssignRequest) returns (AssignResponse) {
+    }
 }
 
 //////////////////////////////////////////////////
@@ -89,3 +91,20 @@ message Location {
     string url = 1;
     string public_url = 2;
 }
+
+message AssignRequest {
+    uint64 count = 1;
+    string replication = 2;
+    string collection = 3;
+    string ttl = 4;
+    string data_center = 5;
+    string rack = 6;
+    string data_node = 7;
+}
+message AssignResponse {
+    string fid = 1;
+    string url = 2;
+    string public_url = 3;
+    uint64 count = 4;
+    string error = 5;
+}

weed/pb/master_pb/master.pb.go

@@ -19,6 +19,8 @@ It has these top-level messages:
 	LookupVolumeRequest
 	LookupVolumeResponse
 	Location
+	AssignRequest
+	AssignResponse
 */
 package master_pb
 
@@ -471,6 +473,118 @@ func (m *Location) GetPublicUrl() string {
 	return ""
 }
 
+type AssignRequest struct {
+	Count       uint64 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
+	Replication string `protobuf:"bytes,2,opt,name=replication" json:"replication,omitempty"`
+	Collection  string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
+	Ttl         string `protobuf:"bytes,4,opt,name=ttl" json:"ttl,omitempty"`
+	DataCenter  string `protobuf:"bytes,5,opt,name=data_center,json=dataCenter" json:"data_center,omitempty"`
+	Rack        string `protobuf:"bytes,6,opt,name=rack" json:"rack,omitempty"`
+	DataNode    string `protobuf:"bytes,7,opt,name=data_node,json=dataNode" json:"data_node,omitempty"`
+}
+
+func (m *AssignRequest) Reset()                    { *m = AssignRequest{} }
+func (m *AssignRequest) String() string            { return proto.CompactTextString(m) }
+func (*AssignRequest) ProtoMessage()               {}
+func (*AssignRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{10} }
+
+func (m *AssignRequest) GetCount() uint64 {
+	if m != nil {
+		return m.Count
+	}
+	return 0
+}
+
+func (m *AssignRequest) GetReplication() string {
+	if m != nil {
+		return m.Replication
+	}
+	return ""
+}
+
+func (m *AssignRequest) GetCollection() string {
+	if m != nil {
+		return m.Collection
+	}
+	return ""
+}
+
+func (m *AssignRequest) GetTtl() string {
+	if m != nil {
+		return m.Ttl
+	}
+	return ""
+}
+
+func (m *AssignRequest) GetDataCenter() string {
+	if m != nil {
+		return m.DataCenter
+	}
+	return ""
+}
+
+func (m *AssignRequest) GetRack() string {
+	if m != nil {
+		return m.Rack
+	}
+	return ""
+}
+
+func (m *AssignRequest) GetDataNode() string {
+	if m != nil {
+		return m.DataNode
+	}
+	return ""
+}
+
+type AssignResponse struct {
+	Fid       string `protobuf:"bytes,1,opt,name=fid" json:"fid,omitempty"`
+	Url       string `protobuf:"bytes,2,opt,name=url" json:"url,omitempty"`
+	PublicUrl string `protobuf:"bytes,3,opt,name=public_url,json=publicUrl" json:"public_url,omitempty"`
+	Count     uint64 `protobuf:"varint,4,opt,name=count" json:"count,omitempty"`
+	Error     string `protobuf:"bytes,5,opt,name=error" json:"error,omitempty"`
+}
+
+func (m *AssignResponse) Reset()                    { *m = AssignResponse{} }
+func (m *AssignResponse) String() string            { return proto.CompactTextString(m) }
+func (*AssignResponse) ProtoMessage()               {}
+func (*AssignResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} }
+
+func (m *AssignResponse) GetFid() string {
+	if m != nil {
+		return m.Fid
+	}
+	return ""
+}
+
+func (m *AssignResponse) GetUrl() string {
+	if m != nil {
+		return m.Url
+	}
+	return ""
+}
+
+func (m *AssignResponse) GetPublicUrl() string {
+	if m != nil {
+		return m.PublicUrl
+	}
+	return ""
+}
+
+func (m *AssignResponse) GetCount() uint64 {
+	if m != nil {
+		return m.Count
+	}
+	return 0
+}
+
+func (m *AssignResponse) GetError() string {
+	if m != nil {
+		return m.Error
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*Heartbeat)(nil), "master_pb.Heartbeat")
 	proto.RegisterType((*HeartbeatResponse)(nil), "master_pb.HeartbeatResponse")
@@ -484,6 +598,8 @@ func init() {
 	proto.RegisterType((*LookupVolumeResponse)(nil), "master_pb.LookupVolumeResponse")
 	proto.RegisterType((*LookupVolumeResponse_VolumeIdLocation)(nil), "master_pb.LookupVolumeResponse.VolumeIdLocation")
 	proto.RegisterType((*Location)(nil), "master_pb.Location")
+	proto.RegisterType((*AssignRequest)(nil), "master_pb.AssignRequest")
+	proto.RegisterType((*AssignResponse)(nil), "master_pb.AssignResponse")
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -500,6 +616,7 @@ type SeaweedClient interface {
 	SendHeartbeat(ctx context.Context, opts ...grpc.CallOption) (Seaweed_SendHeartbeatClient, error)
 	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error)
 	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
+	Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error)
 }
 
 type seaweedClient struct {
@@ -581,12 +698,22 @@ func (c *seaweedClient) LookupVolume(ctx context.Context, in *LookupVolumeReques
 	return out, nil
 }
 
+func (c *seaweedClient) Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error) {
+	out := new(AssignResponse)
+	err := grpc.Invoke(ctx, "/master_pb.Seaweed/Assign", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for Seaweed service
 
 type SeaweedServer interface {
 	SendHeartbeat(Seaweed_SendHeartbeatServer) error
 	KeepConnected(Seaweed_KeepConnectedServer) error
 	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
+	Assign(context.Context, *AssignRequest) (*AssignResponse, error)
 }
 
 func RegisterSeaweedServer(s *grpc.Server, srv SeaweedServer) {
@@ -663,6 +790,24 @@ func _Seaweed_LookupVolume_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Seaweed_Assign_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AssignRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).Assign(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/Assign",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).Assign(ctx, req.(*AssignRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Seaweed_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "master_pb.Seaweed",
 	HandlerType: (*SeaweedServer)(nil),
@@ -671,6 +816,10 @@ var _Seaweed_serviceDesc = grpc.ServiceDesc{
 			MethodName: "LookupVolume",
 			Handler:    _Seaweed_LookupVolume_Handler,
 		},
+		{
+			MethodName: "Assign",
+			Handler:    _Seaweed_Assign_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@@ -692,59 +841,66 @@ var _Seaweed_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("master.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
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-	0x9f, 0x87, 0x2e, 0x45, 0x07, 0x00, 0x00,
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+	0xfc, 0xf2, 0x3d, 0x3d, 0x12, 0xec, 0x90, 0x2f, 0xa1, 0x6b, 0xc4, 0x27, 0x7e, 0x23, 0x78, 0xa3,
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+	0x00, 0xff, 0xff, 0xbc, 0xef, 0x85, 0x4d, 0xd5, 0x08, 0x00, 0x00,
 }

weed/server/master_grpc_server_lookup.go

@@ -1,29 +0,0 @@
-package weed_server
-
-import (
-	"context"
-
-	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
-)
-
-func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupVolumeRequest) (*master_pb.LookupVolumeResponse, error) {
-	resp := &master_pb.LookupVolumeResponse{}
-	volumeLocations := ms.lookupVolumeId(req.VolumeIds, req.Collection)
-
-	for _, result := range volumeLocations {
-		var locations []*master_pb.Location
-		for _, loc := range result.Locations {
-			locations = append(locations, &master_pb.Location{
-				Url:       loc.Url,
-				PublicUrl: loc.PublicUrl,
-			})
-		}
-		resp.VolumeIdLocations = append(resp.VolumeIdLocations, &master_pb.LookupVolumeResponse_VolumeIdLocation{
-			VolumeId:  result.VolumeId,
-			Locations: locations,
-			Error:     result.Error,
-		})
-	}
-
-	return resp, nil
-}

weed/server/master_grpc_server_volume.go

@@ -0,0 +1,86 @@
+package weed_server
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+	"github.com/chrislusf/seaweedfs/weed/topology"
+	"github.com/chrislusf/seaweedfs/weed/storage"
+)
+
+func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupVolumeRequest) (*master_pb.LookupVolumeResponse, error) {
+	resp := &master_pb.LookupVolumeResponse{}
+	volumeLocations := ms.lookupVolumeId(req.VolumeIds, req.Collection)
+
+	for _, result := range volumeLocations {
+		var locations []*master_pb.Location
+		for _, loc := range result.Locations {
+			locations = append(locations, &master_pb.Location{
+				Url:       loc.Url,
+				PublicUrl: loc.PublicUrl,
+			})
+		}
+		resp.VolumeIdLocations = append(resp.VolumeIdLocations, &master_pb.LookupVolumeResponse_VolumeIdLocation{
+			VolumeId:  result.VolumeId,
+			Locations: locations,
+			Error:     result.Error,
+		})
+	}
+
+	return resp, nil
+}
+
+func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest) (*master_pb.AssignResponse, error) {
+
+	if req.Count == 0 {
+		req.Count = 1
+	}
+
+	if req.Replication == "" {
+		req.Replication = ms.defaultReplicaPlacement
+	}
+	replicaPlacement, err := storage.NewReplicaPlacementFromString(req.Replication)
+	if err != nil {
+		return nil, err
+	}
+	ttl, err := storage.ReadTTL(req.Ttl)
+	if err != nil {
+		return nil, err
+	}
+
+	option := &topology.VolumeGrowOption{
+		Collection:       req.Collection,
+		ReplicaPlacement: replicaPlacement,
+		Ttl:              ttl,
+		Prealloacte:      ms.preallocate,
+		DataCenter:       req.DataCenter,
+		Rack:             req.Rack,
+		DataNode:         req.DataNode,
+	}
+
+	if !ms.Topo.HasWritableVolume(option) {
+		if ms.Topo.FreeSpace() <= 0 {
+			return nil, fmt.Errorf("No free volumes left!")
+		}
+		ms.vgLock.Lock()
+		if !ms.Topo.HasWritableVolume(option) {
+			if _, err = ms.vg.AutomaticGrowByType(option, ms.Topo); err != nil {
+				ms.vgLock.Unlock()
+				return nil, fmt.Errorf("Cannot grow volume group! %v", err)
+			}
+		}
+		ms.vgLock.Unlock()
+	}
+	fid, count, dn, err := ms.Topo.PickForWrite(req.Count, option)
+	if err != nil {
+		return nil, fmt.Errorf("%v", err)
+	}
+
+	return &master_pb.AssignResponse{
+		Fid:       fid,
+		Url:       dn.Url(),
+		PublicUrl: dn.PublicUrl,
+		Count:     count,
+	}, nil
+}