Ahenk/opt/ahenk/plugins/network-manager/delete_network.py

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Python
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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author:Mine DOGAN <mine.dogan@agem.com.tr>
import fileinput
import re
from base.plugin.abstract_plugin import AbstractPlugin
class DeleteNetwork(AbstractPlugin):
def __init__(self, task, context):
super(DeleteNetwork, self).__init__()
self.task = task
self.context = context
self.logger = self.get_logger()
self.message_code = self.get_message_code()
self.nic_file = '/etc/network/interfaces'
self.type = self.task['type']
self.name = self.task['name']
self.is_active = self.task['is_active']
if self.type == 'STATIC':
self.ip = self.task['ip']
self.netmask = self.task['netmask']
self.gateway = self.task['gateway']
self.content = ''
self.logger.debug('Parameters were initialized.')
def handle_task(self):
try:
counter = 0
for line in fileinput.input(self.nic_file, inplace=True):
line = str(line).strip(" ")
# to remove multiple spaces
line = re.sub(' +', ' ', line)
if not counter:
if self.type == 'static':
if self.is_active is True:
self.content = 'iface {0} inet static\n'.format(self.name)
else:
self.content = '#iface {0} inet static\n'.format(self.name)
if line.startswith(self.content):
counter = 3
else:
print(str(line).strip())
elif self.type == 'dhcp':
if self.is_active is True:
self.content = 'iface {} inet dhcp\n'.format(self.name)
else:
self.content = '#iface {} inet dhcp\n'.format(self.name)
if not line.startswith(self.content):
print(str(line).strip())
elif self.type == 'loopback':
if self.is_active is True:
self.content = 'iface {} inet loopback\n'.format(self.name)
else:
self.content = '#iface {} inet loopback\n'.format(self.name)
if not line.startswith(self.content):
print(str(line).strip())
else:
counter -= 1
self.logger.info('NETWORK-MANAGER - DELETE_NETWORK task is handled successfully.')
self.context.create_response(code=self.message_code.TASK_PROCESSED.value,
message='Ağ arayüzü başarıyla silindi.')
except Exception as e:
self.logger.error(
'A problem occured while handling NETWORK-MANAGER task: {0}'.format(str(e)))
self.context.create_response(code=self.message_code.TASK_ERROR.value,
message='NETWORK-MANAGER görevi uygulanırken bir hata oluştu.')
def handle_task(task, context):
network = DeleteNetwork(task, context)
network.handle_task()