'Get back details for a particular firewall policy
:param source_account_alias: the source account alias for the firewall policy
:param location: datacenter of the firewall policy
:param firewall_policy_id: id of the firewall policy to get
:return: response - The response from CLC API call'

def _get_firewall_policy(self, source_account_alias, location, firewall_policy_id):

    response = None
    try:
        response = self.clc.v2.API.Call('GET', ('/v2-experimental/firewallPolicies/%s/%s/%s' % (source_account_alias, location, firewall_policy_id)))
    except APIFailedResponse as e:
        if (e.response_status_code != 404):
            self.module.fail_json(msg='Unable    to    fetch    the    firewall    policy    with    id    :    {0}.    {1}'.format(firewall_policy_id, str(e.response_text)))
    return response
