seaweedfs/go/topology/allocate_volume.go
Chris Lu b9aee2defb add TTL support
The volume TTL and file TTL are not necessarily the same. as long as
file TTL is smaller than volume TTL, it'll be fine.

volume TTL is used when assigning file id, e.g.
http://.../dir/assign?ttl=3h

file TTL is used when uploading
2014-09-20 12:38:59 -07:00

34 lines
785 B
Go

package topology
import (
"code.google.com/p/weed-fs/go/storage"
"code.google.com/p/weed-fs/go/util"
"encoding/json"
"errors"
"net/url"
)
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.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
}