pg_gw_utils.py 文件源码

def get_fabric_interface():
    '''
    Returns the fabric interface.
    '''
    fabric_interfaces = config('fabric-interfaces')
    if fabric_interfaces == 'MANAGEMENT':
        return get_mgmt_interface()
    else:
        try:
            all_fabric_interfaces = json.loads(fabric_interfaces)
        except ValueError:
            raise ValueError('Invalid json provided for fabric interfaces')
        hostname = get_unit_hostname()
        if hostname in all_fabric_interfaces:
            node_fabric_interface = all_fabric_interfaces[hostname]
        elif 'DEFAULT' in all_fabric_interfaces:
            node_fabric_interface = all_fabric_interfaces['DEFAULT']
        else:
            raise ValueError('No fabric interface provided for node')
        if interface_exists(node_fabric_interface):
            return node_fabric_interface
        else:
            log('Provided fabric interface %s does not exist'
                % node_fabric_interface)
            raise ValueError('Provided fabric interface does not exist')
        return node_fabric_interface