+"""
+IP address of NAT gateway to outside world
+"""
+def nat_gw(key):
+ return "10.0.%s.1" % key
+
+"""
+IP address of the NAT interface inside the slice
+"""
+def nat_inner(key):
+ return "10.0.%s.2" % key
+
+
+"""
+Write zebra.conf file for Quagga
+"""
+def write_zebra(filename, myname, ifaces, myid, key):
+ f = open(filename, 'w')
+ password = "zebra"
+ write_header(f, myname, password)
+
+ f.write ("enable password %s\n" % password)
+
+ for name in ifaces:
+ f.write ("""!
+interface %s
+link-detect
+""" % name)
+
+ f.write ("""!
+access-list vty permit 127.0.0.1/32
+!
+line vty
+!
+""")
+ f.close()
+ return
+
+
+"""
+Write ospfd.conf file for Quagga.
+"""
+def write_ospf(filename, myname, ifaces):
+ f = open(filename, 'w')
+ password = "zebra"
+ write_header(f, myname, password)
+ name = None
+
+ for name in ifaces:
+ f.write ("""!
+ interface %s
+ ip ospf cost 10
+ ip ospf hello-interval 5
+ ip ospf dead-interval 10
+ ip ospf network non-broadcast
+""" % name)
+
+ if name:
+ f.write ("""!
+ router ospf
+ ospf router-id %s
+""" % ifaces[name]['local-ip'])
+
+ for name in ifaces:
+ f.write (" neighbor %s\n" % ifaces[name]['remote-ip'])
+
+ for name in ifaces:
+ net = ifaces[name]['network']
+ f.write (" network %s area 0\n" % net)
+
+ f.write(""" redistribute kernel
+!
+access-list vty permit 127.0.0.1/32
+!
+line vty
+""")
+ return
+
+
+"""
+Write config files directly into the slice's file system.
+"""
+def update_quagga_configs(slicename, hostname, myid, topo, key, netns):
+ ifaces = get_ifaces(hostname, myid, topo, key)
+
+ quagga_dir = "/vservers/%s/etc/quagga/" % slicename
+ if not os.path.exists(quagga_dir):
+ try:
+ os.mkdir(quagga_dir)
+ except os.error:
+ logger.log("topo: could not create %s\n" % quagga_dir)
+ return
+
+ write_zebra(quagga_dir + "zebra.conf.generated", hostname, ifaces,
+ myid, key)
+ write_ospf(quagga_dir + "ospfd.conf.generated", hostname, ifaces)
+
+ return
+
+
+"""
+Write /etc/hosts in the sliver
+"""
+def update_hosts(slicename, hosts):
+ hosts_file = "/vservers/%s/etc/hosts" % slicename
+ f = open(hosts_file, 'w')
+ f.write(hosts)
+ f.close()
+ return
+
+"""
+Write /etc/vini/egre-keys.txt, used by vsys topo scripts
+"""
+def write_egre_keys(slicekeys):
+ vini_dir = "/etc/vini"
+ if not os.path.exists(vini_dir):
+ try:
+ os.mkdir(vini_dir)
+ except os.error:
+ logger.log("topo: could not create %s\n" % vini_dir)
+ return
+ keys_file = "%s/egre-keys.txt" % vini_dir
+ f = open(keys_file, 'w')
+ for slice in slicekeys:
+ f.write("%s %s\n" % (slice, slicekeys[slice]))
+ f.close()
+ return
+
+
+"""
+Executed on NM startup
+"""