kill stuff in a container

killprocess.go

// killProcesses sends a signal to all the processes on the machine except
// for PID 1, somewhat naive but seems to work
func (s *WatchStep) killProcesses(containerID string, signal string) error {
	client, err := NewDockerClient(s.options.DockerOptions)
	if err != nil {
		return err
	}
	cmd := []string{`/bin/sh`, `-c`, fmt.Sprintf(`ps | grep -v PID | awk "{if (\$1 != 1) print \$1}" | xargs -n 1 kill -s %s`, signal)}
	err = client.ExecOne(containerID, cmd, os.Stdout)
	if err != nil {
		return err
	}
	return nil
}