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Merge pull request #1112 from song-zhang/add-assign-volume-number

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add volume number param in assign operation
This commit is contained in:
Chris Lu 2019-11-10 11:38:21 -08:00 committed by GitHub
parent c34ffed43f 61fa485700
commit 5a8c3e4cf9
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 31 additions and 19 deletions
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2
weed/operation/assign_file_id.go
View file

@ -18,6 +18,7 @@ type VolumeAssignRequest struct {
DataCenter string
Rack string
DataNode string
WritableVolumeCount uint32
}
type AssignResult struct {
@ -53,6 +54,7 @@ func Assign(server string, grpcDialOption grpc.DialOption, primaryRequest *Volum
DataCenter: primaryRequest.DataCenter,
Rack: primaryRequest.Rack,
DataNode: primaryRequest.DataNode,
WritableVolumeCount: primaryRequest.WritableVolumeCount,
}
resp, grpcErr := masterClient.Assign(context.Background(), req)
if grpcErr != nil {

1
weed/pb/master.proto
View file

@ -140,6 +140,7 @@ message AssignRequest {
string rack = 6;
string data_node = 7;
uint32 memory_map_max_size_mb = 8;
uint32 WritableVolumeCount = 9;
}
message AssignResponse {
string fid = 1;

1
weed/pb/master_pb/master.pb.go
View file

@ -656,6 +656,7 @@ type AssignRequest struct {
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"`
MemoryMapMaxSizeMb uint32 `protobuf:"varint,8,opt,name=memory_map_max_size_mb,json=MemoryMapMaxSizeMb" json:"memory_map_max_size_mb,omitempty"`
WritableVolumeCount uint32 `protobuf:"varint,9,opt,name=writable_volume_count" json:"writable_volume_count,omitempty"`
}
func (m *AssignRequest) Reset() { *m = AssignRequest{} }

2
weed/server/master_grpc_server_volume.go
View file

@ -78,7 +78,7 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
}
ms.vgLock.Lock()
if !ms.Topo.HasWritableVolume(option) {
if _, err = ms.vg.AutomaticGrowByType(option, ms.grpcDialOption, ms.Topo); err != nil {
if _, err = ms.vg.AutomaticGrowByType(option, ms.grpcDialOption, ms.Topo, int(req.WritableVolumeCount)); err != nil {
ms.vgLock.Unlock()
return nil, fmt.Errorf("Cannot grow volume group! %v", err)
}

7
weed/server/master_server_handlers.go
View file

@ -100,6 +100,11 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
requestedCount = 1
}
writableVolumeCount, e := strconv.Atoi(r.FormValue("writableVolumeCount"))
if e != nil {
writableVolumeCount = 0
}
option, err := ms.getVolumeGrowOption(r)
if err != nil {
writeJsonQuiet(w, r, http.StatusNotAcceptable, operation.AssignResult{Error: err.Error()})
@ -114,7 +119,7 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
ms.vgLock.Lock()
defer ms.vgLock.Unlock()
if !ms.Topo.HasWritableVolume(option) {
if _, err = ms.vg.AutomaticGrowByType(option, ms.grpcDialOption, ms.Topo); err != nil {
if _, err = ms.vg.AutomaticGrowByType(option, ms.grpcDialOption, ms.Topo, writableVolumeCount); err != nil {
writeJsonError(w, r, http.StatusInternalServerError,
fmt.Errorf("Cannot grow volume group! %v", err))
return

7
weed/topology/volume_growth.go
View file

@ -59,8 +59,11 @@ func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count int) {
return
}
func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology) (count int, err error) {
count, err = vg.GrowByCountAndType(grpcDialOption, vg.findVolumeCount(option.ReplicaPlacement.GetCopyCount()), option, topo)
func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology, targetCount int) (count int, err error) {
if targetCount == 0 {
targetCount = vg.findVolumeCount(option.ReplicaPlacement.GetCopyCount())
}
count, err = vg.GrowByCountAndType(grpcDialOption, targetCount, option, topo)
if count > 0 && count%option.ReplicaPlacement.GetCopyCount() == 0 {
return count, nil
}