req_config_params = ('vrops_site', 'vrops_user', 'vrops_password',
'vcloud-site','admin_username','admin_password',
'vcenter_ip','vcenter_port','vcenter_user','vcenter_password',
req_config_params = ('vrops_site', 'vrops_user', 'vrops_password',
'vcloud-site','admin_username','admin_password',
'vcenter_ip','vcenter_port','vcenter_user','vcenter_password',