X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net.py;h=7c9242d05ade01265f4758d6445273297c8d764d;hb=06cc8f49edbf66652df3949c2f24ff698edd81cb;hp=b0874a686c3286a32edbad52a52322c384033e2a;hpb=e64ef2834756a1a4e3f8d0dc843eb144f528f11e;p=nodemanager.git

diff --git a/net.py b/net.py
index b0874a6..7c9242d 100644
--- a/net.py
+++ b/net.py
@@ -1,19 +1,42 @@
 #
+# $Id$
 #
+
 """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()))
@@ -21,14 +44,14 @@ 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']):
-            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']))
@@ -55,15 +78,33 @@ 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 = []
         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):
+    if not 'networks' in data: return
+    
     # query running network interfaces
     devs = sioc.gifconf()
     ips = dict(zip(devs.values(), devs.keys()))
@@ -75,28 +116,30 @@ 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']))
             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
+
         for setting in settings:
-            if setting['category'] != 'firewall':
+            if setting['category'].upper() != 'FIREWALL':
                 continue
-            if setting['name'] == 'external':
+            if setting['name'].upper() == 'EXTERNAL':
                 # Enable NAT for this interface
                 ipt.add_ext(dev)
-            elif setting['name'] == 'internal':
+            elif setting['name'].upper() == 'INTERNAL':
                 ipt.add_int(dev)
-            elif setting['name'] == 'pf': # XXX Uglier code is hard to find...
+            elif setting['name'].upper() == 'PF': # XXX Uglier code is hard to find...
                 for pf in setting['value'].split("\n"):
                     fields = {}
                     for field in pf.split(","):
@@ -109,5 +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