Stop a pipeline.

def status_pipeline(conf, args):
    """Stop a pipeline."""
    host = conf.config['instances'][args.host_instance]
    url = api.build_pipeline_url(build_instance_url(host))
    auth = tuple([conf.creds['instances'][args.host_instance]['user'], conf.creds['instances'][args.host_instance]['pass']])
    verify_ssl = host.get('verify_ssl', True)

    status_result = api.pipeline_status(url, args.pipeline_id, auth, verify_ssl)
    return status_result['status']