mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
27c74a7e66
change replication_type to ReplicaPlacement, hopefully cleaner code works for 9 possible ReplicaPlacement xyz x : number of copies on other data centers y : number of copies on other racks z : number of copies on current rack x y z each can be 0,1,2 Minor: weed server "-mdir" default to "-dir" if empty
34 lines
793 B
Go
34 lines
793 B
Go
package replication
|
|
|
|
import (
|
|
"code.google.com/p/weed-fs/go/storage"
|
|
"code.google.com/p/weed-fs/go/topology"
|
|
"code.google.com/p/weed-fs/go/util"
|
|
"encoding/json"
|
|
"errors"
|
|
"net/url"
|
|
)
|
|
|
|
type AllocateVolumeResult struct {
|
|
Error string
|
|
}
|
|
|
|
func AllocateVolume(dn *topology.DataNode, vid storage.VolumeId, collection string, rp *storage.ReplicaPlacement) error {
|
|
values := make(url.Values)
|
|
values.Add("volume", vid.String())
|
|
values.Add("collection", collection)
|
|
values.Add("replication", rp.String())
|
|
jsonBlob, err := util.Post("http://"+dn.PublicUrl+"/admin/assign_volume", values)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var ret AllocateVolumeResult
|
|
if err := json.Unmarshal(jsonBlob, &ret); err != nil {
|
|
return err
|
|
}
|
|
if ret.Error != "" {
|
|
return errors.New(ret.Error)
|
|
}
|
|
return nil
|
|
}
|