def get_if_from_hwaddr(hwaddr): import sioc devs = sioc.gifconf() for dev in devs: dev_hwaddr = sioc.gifhwaddr(dev) if dev_hwaddr == hwaddr: return dev return None
def InitNAT(plc, data): # query running network interfaces devs = sioc.gifconf() ips = dict(zip(devs.values(), devs.keys())) macs = {} for dev in devs: macs[sioc.gifhwaddr(dev).lower()] = dev ipt = iptables.IPTables() for interface in data[KEY_NAME]: # Get interface name preferably from MAC address, falling # back on IP address. hwaddr=interface['mac'] if hwaddr <> None: hwaddr=hwaddr.lower() if hwaddr in macs: dev = macs[interface['mac']] elif interface['ip'] in ips: dev = ips[interface['ip']] else: logger.log('net: %s: no such interface with address %s/%s' % (interface['hostname'], interface['ip'], interface['mac'])) continue try: settings = plc.GetInterfaceTags({'interface_tag_id': interface['interface_tag_ids']}) except: continue for setting in settings: if setting['category'].upper() != 'FIREWALL': continue if setting['name'].upper() == 'EXTERNAL': # Enable NAT for this interface ipt.add_ext(dev) elif setting['name'].upper() == 'INTERNAL': ipt.add_int(dev) 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(","): (key, val) = field.split("=", 2) fields[key] = val if 'new_dport' not in fields: fields['new_dport'] = fields['dport'] if 'source' not in fields: fields['source'] = "0.0.0.0/0" ipt.add_pf(fields) ipt.commit()
def InitNodeLimit(data): # query running network interfaces devs = sioc.gifconf() ips = dict(zip(devs.values(), devs.keys())) macs = {} for dev in devs: macs[sioc.gifhwaddr(dev).lower()] = dev for interface in data[KEY_NAME]: # Get interface name preferably from MAC address, falling # back on IP address. hwaddr=interface['mac'] if hwaddr <> None: hwaddr=hwaddr.lower() if hwaddr in macs: dev = macs[interface['mac']] elif interface['ip'] in ips: dev = ips[interface['ip']] else: logger.log('net: %s: no such interface with address %s/%s' % (interface['hostname'], interface['ip'], interface['mac'])) continue # Get current node cap try: old_bwlimit = bwlimit.get_bwcap(dev) except: old_bwlimit = None # Get desired node cap if interface['bwlimit'] is None or interface['bwlimit'] < 0: new_bwlimit = bwlimit.bwmax else: new_bwlimit = interface['bwlimit'] if old_bwlimit != new_bwlimit: # Reinitialize bandwidth limits bwlimit.init(dev, new_bwlimit)
def InitInterfaces(logger, plc, data, root="", files_only=False, program="NodeManager"): global version sysconfig = "%s/etc/sysconfig/network-scripts" % root try: os.makedirs(sysconfig) except OSError, e: if e.errno != errno.EEXIST: raise e # query running network interfaces devs = sioc.gifconf() ips = dict(zip(devs.values(), devs.keys())) macs = {} for dev in devs: macs[sioc.gifhwaddr(dev).lower()] = dev devices_map = {} device_id = 1 hostname = data.get('hostname',socket.gethostname()) gateway = None # assume data['interfaces'] contains this node's Interfaces # can cope with 4.3 ('networks') or 5.0 ('interfaces') try: interfaces = data['interfaces'] except: interfaces = data['networks'] failedToGetSettings = False # NOTE: GetInterfaces/NodeNetworks does not necessarily order the interfaces # returned. Because 'interface' is decremented as each interface is processed,