X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net.py;h=70b1b4be8a25c4d54182778691ad6014b7096c1e;hb=refs%2Fheads%2Fplanetstack;hp=de3360b9a8e9355f2683c77d1a13824c333cedca;hpb=08d6f2b70b86a10b222a5afe80945598296196ad;p=nodemanager.git diff --git a/net.py b/net.py index de3360b..70b1b4b 100644 --- a/net.py +++ b/net.py @@ -1,31 +1,49 @@ -# $Id$ -# $URL$ - """network configuration""" # system provided modules import os, string, time, socket +from socket import inet_aton # PlanetLab system modules import sioc, plnet # local modules -import bwlimit, logger, iptables, tools +import plnode.bwlimit as bwlimit +import logger, iptables, tools +import subprocess # we can't do anything without a network priority=1 dev_default = tools.get_default_if() + def start(): logger.log("net: plugin starting up...") def GetSlivers(data, config, plc): + # added by caglar + # band-aid for short period as old API returns networks instead of interfaces + global KEY_NAME + KEY_NAME = "interfaces" + ################# + logger.verbose("net: GetSlivers called.") if not 'interfaces' in data: - logger.log_missing_data('net.GetSlivers','interfaces') - return + # added by caglar + # band-aid for short period as old API returns networks instead of interfaces + # logger.log_missing_data('net.GetSlivers','interfaces') + # return + if not 'networks' in data: + logger.log_missing_data('net.GetSlivers','interfaces') + return + else: + KEY_NAME = "networks" + ################## + plnet.InitInterfaces(logger, plc, data) + + """ if 'OVERRIDES' in dir(config): if config.OVERRIDES.get('net_max_rate') == '-1': logger.log("net: Slice and node BW Limits disabled.") @@ -39,8 +57,8 @@ def GetSlivers(data, config, plc): InitNodeLimit(data) InitI2(plc, data) InitNAT(plc, data) - - + """ + def InitNodeLimit(data): # query running network interfaces @@ -50,7 +68,7 @@ def InitNodeLimit(data): for dev in devs: macs[sioc.gifhwaddr(dev).lower()] = dev - for interface in data['interfaces']: + for interface in data[KEY_NAME]: # Get interface name preferably from MAC address, falling # back on IP address. hwaddr=interface['mac'] @@ -118,7 +136,7 @@ def InitNAT(plc, data): macs[sioc.gifhwaddr(dev).lower()] = dev ipt = iptables.IPTables() - for interface in data['interfaces']: + for interface in data[KEY_NAME]: # Get interface name preferably from MAC address, falling # back on IP address. hwaddr=interface['mac'] @@ -156,3 +174,32 @@ def InitNAT(plc, data): fields['source'] = "0.0.0.0/0" ipt.add_pf(fields) ipt.commit() + +# Helper functions for converting to CIDR notation +def get_net_size(netmask): + binary_str = '' + for octet in netmask: + binary_str += bin(int(octet))[2:].zfill(8) + return str(len(binary_str.rstrip('0'))) + +def to_cidr(ipaddr, netmask): + # validate input + inet_aton(ipaddr) + inet_aton(netmask) + + ipaddr = ipaddr.split('.') + netmask = netmask.split('.') + + net_start = [str(int(ipaddr[x]) & int(netmask[x])) for x in range(0,4)] + return '.'.join(net_start) + '/' + get_net_size(netmask) + +def ipaddr_range(network, broadcast): + start = network.split('.') + end = broadcast.split('.') + + # Assume interface always claims the first address in the block + start[3] = str(int(start[3]) + 2) + end[3] = str(int(end[3]) - 1) + + return '.'.join(start) + ',' + '.'.join(end) +