X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net.py;h=2d02905ad58646beeccb2ae73965f0bad430b979;hb=baee129c8faef3bc94edb4af05e171fabd2eb883;hp=9628bc2eee82aefc3deddaf3d8ed8f23ffbcf71e;hpb=fcd53d68ccd5603cd0281b32ca56d41493f56dc9;p=nodemanager.git diff --git a/net.py b/net.py index 9628bc2..2d02905 100644 --- a/net.py +++ b/net.py @@ -1,21 +1,42 @@ # # $Id$ # + """network configuration""" -import sioc -import bwlimit -import logger -import string -import iptables -import os +# system provided modules +import os, string, time, socket + +# PlanetLab system modules +import sioc, plnet + +# local modules +import bwlimit, logger, iptables -def GetSlivers(plc, data): - InitNodeLimit(data) - InitI2(plc, data) +def start(options, conf): + logger.log("net plugin starting up...") + +def GetSlivers(data, config, plc): + 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): + if not 'networks' in data: return + # query running network interfaces devs = sioc.gifconf() ips = dict(zip(devs.values(), devs.keys())) @@ -26,9 +47,11 @@ def InitNodeLimit(data): for network in data['networks']: # Get interface name preferably from MAC address, falling # back on IP address. - if macs.has_key(network['mac'].lower()): - dev = macs[network['mac'].lower()] - elif ips.has_key(network['ip']): + hwaddr=network['mac'] + if hwaddr <> None: hwaddr=hwaddr.lower() + if hwaddr in macs: + dev = macs[network['mac']] + elif network['ip'] in ips: dev = ips[network['ip']] else: logger.log('%s: no such interface with address %s/%s' % (network['hostname'], network['ip'], network['mac'])) @@ -55,6 +78,8 @@ def InitNodeLimit(data): # again, or vice-versa. def InitI2(plc, data): + if not 'groups' in data: return + if "Internet2" in data['groups']: logger.log("This is an Internet2 node. Setting rules.") i2nodes = [] @@ -78,6 +103,8 @@ def InitI2(plc, data): os.popen("/sbin/iptables -t mangle " + cmd) def InitNAT(plc, data): + if not 'networks' in data: return + # query running network interfaces devs = sioc.gifconf() ips = dict(zip(devs.values(), devs.keys())) @@ -89,9 +116,11 @@ def InitNAT(plc, data): for network in data['networks']: # Get interface name preferably from MAC address, falling # back on IP address. - if macs.has_key(network['mac']): - dev = macs[network['mac'].lower()] - elif ips.has_key(network['ip']): + hwaddr=network['mac'] + if hwaddr <> None: hwaddr=hwaddr.lower() + if hwaddr in macs: + dev = macs[network['mac']] + elif network['ip'] in ips: dev = ips[network['ip']] else: logger.log('%s: no such interface with address %s/%s' % (network['hostname'], network['ip'], network['mac'])) @@ -101,7 +130,7 @@ def InitNAT(plc, data): settings = plc.GetInterfaceTags({'interface_tag_id': network['interface_tag_ids']}) except: continue - # XXX arbitrary names + for setting in settings: if setting['category'].upper() != 'FIREWALL': continue @@ -123,5 +152,9 @@ 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