'perform oadm list pods
node: the node in which to list pods
selector: the label selector filter if provided
pod_selector: the pod selector filter if provided'

def _list_pods(self, node=None, selector=None, pod_selector=None):

    cmd = ['manage-node']
    if node:
        cmd.extend(node)
    else:
        cmd.append('--selector={}'.format(selector))
    if pod_selector:
        cmd.append('--pod-selector={}'.format(pod_selector))
    cmd.extend(['--list-pods', '-o', 'json'])
    return self.openshift_cmd(cmd, oadm=True, output=True, output_type='raw')
