'Return a hash of target pool instances and their health.
:param  node: Optional node to specify if only a specific node\'s
health status should be returned
:type   node: ``str``, ``Node``, or ``None``
:return: List of hashes of nodes and their respective health
:rtype:  ``list`` of ``dict``'

def get_health(self, node=None):

    return self.driver.ex_targetpool_get_health(targetpool=self, node=node)
