package main import ( "github.com/docker/docker/integration-cli/daemon" "github.com/go-check/check" ) func (s *DockerSwarmSuite) getDaemon(c *testing.T, nodeID string) *daemon.Daemon { s.daemonsLock.Lock() defer s.daemonsLock.Unlock() for _, d := range s.daemons { if d.NodeID() == nodeID { return d } } c.Fatalf("could not find node with id: %s", nodeID) return nil } // nodeCmd executes a command on a given node via the normal docker socket func (s *DockerSwarmSuite) nodeCmd(c *testing.T, id string, args ...string) (string, error) { return s.getDaemon(c, id).Cmd(args...) }