switchs/main.py
2018-05-26 21:04:14 +00:00

48 lines
1.7 KiB
Python

from configparser import ConfigParser
import socket
from re2oapi import Re2oAPIClient
config = ConfigParser()
config.read('config.ini')
api_hostname = config.get('Re2o', 'hostname')
api_password = config.get('Re2o', 'password')
api_username = config.get('Re2o', 'username')
def regen_dhcp(api_client):
for hmi in api_client.list_hostmacip():
if hmi['extension'] not in host_mac_ip.keys():
host_mac_ip[hmi['extension']] = []
host_mac_ip[hmi['extension']].append((hmi['hostname'],
hmi['mac_address'],
hmi['ipv4']))
template = ("host {hostname}{extension} {{\n"
" hardware ethernet {mac_address};\n"
" fixed-address {ipv4};\n"
"}}")
for extension, hmi_list in host_mac_ip.items():
dhcp_leases_content = '\n\n'.join(template.format(
hostname=hostname,
extension=extension,
mac_address=mac_address,
ipv4=ipv4
) for hostname, mac_address, ipv4 in hmi_list)
filename = 'dhcp{extension}.list'.format(extension=extension)
with open(filename, 'w+') as f:
f.write(dhcp_leases_content)
host_mac_ip = {}
api_client = Re2oAPIClient(api_hostname, api_username, api_password)
client_hostname = socket.gethostname().split('.', 1)[0]
for service in api_client.list_servicesregen():
if service['hostname'] == client_hostname and \
service['service_name'] == 'dhcp' and \
service['need_regen']:
regen_dhcp(api_client)
api_client.patch(service['api_url'], data={'need_regen': False})