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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _run_cmd(cmd):
    '''
    Run a Kapacitor task and return a dictionary of info.
    '''
    ret = {}
    env_vars = {
        'KAPACITOR_URL': _get_url(),
        'KAPACITOR_UNSAFE_SSL': __salt__['config.option']('kapacitor.unsafe_ssl', 'false'),
    }
    result = __salt__['cmd.run_all'](cmd, env=env_vars)

    if result.get('stdout'):
        ret['stdout'] = result['stdout']
    if result.get('stderr'):
        ret['stderr'] = result['stderr']
    ret['success'] = result['retcode'] == 0

    return ret