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package topology
import (
"encoding/json"
"errors"
"fmt"
"net/url"
"github.com/chrislusf/seaweedfs/go/storage"
"github.com/chrislusf/seaweedfs/go/util"
)
type AllocateVolumeResult struct {
Error string
}
func AllocateVolume(dn *DataNode, vid storage.VolumeId, option *VolumeGrowOption) error {
values := make(url.Values)
values.Add("volume", vid.String())
values.Add("collection", option.Collection)
values.Add("replication", option.ReplicaPlacement.String())
values.Add("ttl", option.Ttl.String())
jsonBlob, err := util.Post("http://"+dn.Url()+"/admin/assign_volume", values)
if err != nil {
return err
}
var ret AllocateVolumeResult
if err := json.Unmarshal(jsonBlob, &ret); err != nil {
return fmt.Errorf("Invalid JSON result for %s: %s", "/admin/assign_volum", string(jsonBlob))
}
if ret.Error != "" {
return errors.New(ret.Error)
}
return nil
}
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