#
+# $Id$
#
+
"""network configuration"""
-import sioc
-import bwlimit
-import logger
-import string
-import iptables
+# 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(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):
+ if not 'networks' in data: return
+
# query running network interfaces
devs = sioc.gifconf()
ips = dict(zip(devs.values(), devs.keys()))
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']):
- 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']))
# 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 = []
i2nodeids = plc.GetNodeGroups(["Internet2"])[0]['node_ids']
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):
+ if not 'networks' in data: return
+
# query running network interfaces
devs = sioc.gifconf()
ips = dict(zip(devs.values(), devs.keys()))
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']))
continue
try:
- settings = plc.GetInterfaceSettings({'interface_setting_id': network['interface_setting_ids']})
+ 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
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