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