crans_bcfg2/Python/etc/network/interfaces
Olivier Huber a8641a454f [./Python/etc/network/interfaces] on s'assure d'avoir le module ipv6 avant de vouloir configurer les interfaces en inet6
darcs-hash:20100703132707-8fbb1-8ac1c38c70271e64ec318eb3ff573c2dbc6bb5e4.gz
2010-07-03 15:27:07 +02:00

155 lines
4.4 KiB
Python

# -*- coding: utf-8; mode: python -*-
include("ip")
info["owner"] = "root"
info["group"] = "root"
info["perms"] = 0644
header("""
Les modifications locales sont à mettre dans le fichier /etc/network/interfaces.local
Voir http://wiki.crans.org/CransTechnique/Bcfg2/... pour plus d'explications.
""")
def dev(interface, mode, additionnals=[]):
"""Génération de la conf d'une interface:
- additionnals contient des lignes à mettre en plus à la définition"""
if mode == "pub":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 138.231.136.0
netmask 255.255.248.0
broadcast 138.231.143.255
gateway 138.231.136.4
dns-nameservers 138.231.136.10 138.231.136.9 138.231.136.3
dns-search crans.org""" % { 'interface': interface, 'ip': pubip() }
for line in additionnals:
print " ", line
print
pub6(interface)
elif mode == "adm":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 10.231.136.0
netmask 255.255.255.0
broadcast 10.231.136.255
mtu 1496
dns-nameservers 10.231.136.10 138.231.136.9 10.231.136.3
dns-search adm.crans.org""" % { 'interface': interface, 'ip': admip() }
for line in additionnals:
print " ", line
print
adm6(interface)
elif mode == "radin":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 10.42.0.0
netmask 255.255.0.0
broadcast 10.42.255.255
mtu 1496""" % { 'interface': interface, 'ip': radinip() }
elif mode == "accueil":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 10.51.0.0
netmask 255.255.0.0
broadcast 10.51.255.255
mtu 1496""" % { 'interface': interface, 'ip': accueilip() }
elif mode == "ens":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 10.2.9.0
netmask 255.255.255.0
broadcast 10.2.9.255
mtu 1496""" % { 'interface': interface, 'ip': appt_ens_ip() }
elif mode == "isolement":
print """auto %(interface)s
iface %(interface)s inet static
address %(ip)s
network 10.52.0.0
netmask 255.255.0.0
broadcast 10.52.255.255
mtu 1496""" % { 'interface': interface, 'ip': isolementip() }
elif mode == "manuel":
print """auto %(interface)s
iface %(interface)s inet static""" % { 'interface': interface }
elif mode == "vide":
try:
iface, vlan = interface.split('.')
except ValueError:
vlan = None
if vlan:
print """auto %(interface)s
iface %(interface)s inet manual
pre-up vconfig add %(iface)s %(vlan)s
post-down vconfig rem %(iface)s.%(vlan)s
up ip l set %(interface)s up
down ip l set %(interface)s down""" % { 'interface': interface, 'iface':iface,'vlan':vlan }
else:
print """auto %(interface)s
iface %(interface)s inet manual
up ip l set %(interface)s up
down ip l set %(interface)s down""" % { 'interface': interface }
else:
raise NotImplementedError, "Mode de réseau inconnu : %s" % mode
if mode != "pub" and mode != "adm":
for line in additionnals:
print " ", line
print
# Définitions communes
print """auto lo
iface lo inet loopback
"""
def pubip6(If):
return "2a01:240:fe3d:4:" + If_Mac[If]
def admip6(If):
return "2a01:240:fe3d:c804:" + If_Mac[If]
def pub6(interface, mode = 'serveur'):
""" fonction permettant d'ajouter une adressse ipv6 à l'interface donnée en argument.
Le mode permet de faire la distinction entre les simples serveurs et les routeurs.
En effet, il est assez peu fortuit de rajouter une route par défaut qui va faire une boucle."""
print """iface %(interface)s inet6 static
pre-up /sbin/modprobe ipv6
address %(ip6)s
netmask 64""" % { 'interface': interface, 'ip6': pubip6(interface) }
if mode == 'serveur':
print """ gateway fe80::219:bbff:fe31:3b80
"""
print "\n"
def adm6(interface):
print """iface %(interface)s inet6 static
pre-up /sbin/modprobe ipv6
address %(ip6)s
netmask 64
""" % { 'interface': interface, 'ip6': admip6(interface) }
Probe_Mac = metadata.Probes["mac"].split('\n')
If_Mac = dict(zip(Probe_Mac[:-1:2], Probe_Mac[1::2]))
exec metadata.Probes["interfaces_local"]