package client
 
 import (
 	"encoding/json"
 
 	"github.com/docker/docker/api/types"
 	"golang.org/x/net/context"
 )
 
 // SwarmGetUnlockKey retrieves the swarm's unlock key.
 func (cli *Client) SwarmGetUnlockKey(ctx context.Context) (types.SwarmUnlockKeyResponse, error) {
 	serverResp, err := cli.get(ctx, "/swarm/unlockkey", nil, nil)
 	if err != nil {
 		return types.SwarmUnlockKeyResponse{}, err
 	}
 
 	var response types.SwarmUnlockKeyResponse
 	err = json.NewDecoder(serverResp.body).Decode(&response)
 	ensureReaderClosed(serverResp)
 	return response, err
 }