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from creole.parsedico import parse_dico
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from creole.eosfunc import load_container_var
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from os.path import join, isdir
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from os import makedirs, unlink
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from glob import glob
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from IPy import IP
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10
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dico = parse_dico()
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container = load_container_var()
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dir_name = 'etc/dhcp3/fixed-address'
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DHCP_TMPL = "host %s { hardware ethernet %s; fixed-address %s; }\n"
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tupples_fixed_address = [('nom1', "22:22:22:22:22:22", "192.168.30.3"),
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('nom2', "13:22:22:22:22:22", "192.168.40.3"),
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('nom3', "22:22:22:24:22:22", "192.168.50.3")
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]
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def build_dir_name():
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return join('/', container['container_path_dhcp'], dir_name)
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def build_file_name(network, netmask):
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dirname = build_dir_name()
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return join(dirname, network+"_"+netmask+'.txt')
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def clean():
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dirname = build_dir_name()
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if not isdir(dirname):
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makedirs(dirname)
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for name in glob(join(dirname, '*')):
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unlink(name)
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for i in range(0, len(dico['adresse_network_dhcp'])):
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network = dico['adresse_network_dhcp'][i]
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netmask = dico['adresse_netmask_dhcp'][i]
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file_name = build_file_name(network, netmask)
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fh = open(file_name, 'w+')
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fh.write('')
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fh.close()
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clean()
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names = []
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mac_addrs = []
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ip_addrs = []
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for name, mac, ip in tupples_fixed_address:
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subnet_found = False
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if name in names:
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print "Le nom {0} est déjà présent".format(name)
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break
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names.append(name)
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if mac in mac_addrs:
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print "L'adresse MAC {0} est déjà présent".format(mac)
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break
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mac_addrs.append(mac)
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if ip in ip_addrs:
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print "L'adresse IP {0} est déjà présent".format(ip)
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break
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ip_addrs.append(ip)
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for i in range(0, len(dico['adresse_network_dhcp'])):
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network = dico['adresse_network_dhcp'][i]
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netmask = dico['adresse_netmask_dhcp'][i]
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file_name = build_file_name(network, netmask)
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subnet_ip = IP('{0}/{1}'.format(network, netmask))
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if ip in subnet_ip:
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fh = open(file_name, 'w+')
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fh.write(DHCP_TMPL % (name, mac, ip))
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fh.close()
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subnet_found = True
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break
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if not subnet_found:
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print "Aucun subnet n'est déclarer pour cette IP {0} ({1})".format(ip, name)
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