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moby--moby/client/volume_prune.go

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package client
import (
"encoding/json"
"fmt"
"github.com/docker/docker/api/types"
"golang.org/x/net/context"
)
// VolumesPrune requests the daemon to delete unused data
func (cli *Client) VolumesPrune(ctx context.Context, cfg types.VolumesPruneConfig) (types.VolumesPruneReport, error) {
var report types.VolumesPruneReport
if err := cli.NewVersionError("1.25", "volume prune"); err != nil {
return report, err
}
serverResp, err := cli.post(ctx, "/volumes/prune", nil, cfg, nil)
if err != nil {
return report, err
}
defer ensureReaderClosed(serverResp)
if err := json.NewDecoder(serverResp.body).Decode(&report); err != nil {
return report, fmt.Errorf("Error retrieving disk usage: %v", err)
}
return report, nil
}