X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net.py;h=810490c8ce79d4176fab26d03a89d158913c87f7;hb=737532f28237ed08d3895b5912866476f909e04f;hp=088f9a3111daf5fc3fdbde59af2a3995c1751cde;hpb=cb194bf21fcbd17e891cf2b2e618632c78d37135;p=nodemanager.git diff --git a/net.py b/net.py index 088f9a3..810490c 100644 --- a/net.py +++ b/net.py @@ -1,18 +1,35 @@ # +# $Id$ # """network configuration""" -import sioc -import bwlimit -import logger -import string -import iptables +# system provided modules +import os, string, time, socket -def GetSlivers(plc, data): - InitNodeLimit(data) - InitI2(plc, data) +# PlanetLab system modules +import sioc, plnet + +# local modules +import bwlimit, logger, iptables + +def GetSlivers(plc, data, config): + logger.verbose("net:GetSlivers called.") + InitInterfaces(plc, data) # writes sysconfig files. + if 'OVERRIDES' in dir(config): + if config.OVERRIDES.get('net_max_rate') == '-1': + logger.log("net: Slice and node BW Limits disabled.") + if len(bwlimit.tc("class show dev eth0")): + logger.verbose("*** DISABLING NODE BW LIMITS ***") + bwlimit.stop() + else: + InitNodeLimit(data) + InitI2(plc, data) + else: + InitNodeLimit(data) + InitI2(plc, data) InitNAT(plc, data) + def InitNodeLimit(data): # query running network interfaces devs = sioc.gifconf() @@ -21,12 +38,10 @@ def InitNodeLimit(data): for dev in devs: macs[sioc.gifhwaddr(dev).lower()] = dev - # XXX Exempt Internet2 destinations from node bwlimits - # bwlimit.exempt_init('Internet2', internet2_ips) for network in data['networks']: # Get interface name preferably from MAC address, falling # back on IP address. - if macs.has_key(network['mac']): + if macs.has_key(network['mac'].lower()): dev = macs[network['mac'].lower()] elif ips.has_key(network['ip']): dev = ips[network['ip']] @@ -59,9 +74,23 @@ def InitI2(plc, data): logger.log("This is an Internet2 node. Setting rules.") i2nodes = [] i2nodeids = plc.GetNodeGroups(["Internet2"])[0]['node_ids'] - for node in plc.GetNodeNetworks({"node_id": i2nodeids}, ["ip"]): + for node in plc.GetInterfaces({"node_id": i2nodeids}, ["ip"]): + # Get the IPs i2nodes.append(node['ip']) + # this will create the set if it doesn't already exist + # and add IPs that don't exist in the set rather than + # just recreateing the set. bwlimit.exempt_init('Internet2', i2nodes) + + # set the iptables classification rule if it doesnt exist. + cmd = '-A POSTROUTING -m set --set Internet2 dst -j CLASSIFY --set-class 0001:2000 --add-mark' + rules = [] + ipt = os.popen("/sbin/iptables-save") + for line in ipt.readlines(): rules.append(line.strip(" \n")) + ipt.close() + if cmd not in rules: + logger.verbose("net: Adding iptables rule for Internet2") + os.popen("/sbin/iptables -t mangle " + cmd) def InitNAT(plc, data): # query running network interfaces @@ -84,7 +113,7 @@ def InitNAT(plc, data): continue try: - settings = plc.GetNodeNetworkSettings({'nodenetwork_setting_id': network['nodenetwork_setting_ids']}) + settings = plc.GetInterfaceTags({'interface_tag_id': network['interface_tag_ids']}) except: continue # XXX arbitrary names @@ -109,5 +138,10 @@ def InitNAT(plc, data): ipt.add_pf(fields) ipt.commit() +def InitInterfaces(plc, data): + if not 'networks' in data: + return + plnet.InitInterfaces(logger, plc, data) + def start(options, config): pass