main.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# @Time : 2020/9/16 18:28
# @Author : Young Lee
# @Email : young_lee2017@163.com
import configparser
import chardet
import re
import logging
import sys
import os
import socket
import fcntl
import struct
from multiprocessing import Process
from create_hosts import Inventory
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
logging.disable(logging.INFO)
class Configure_FX():
""" 配置繁星的类 """
def __init__(self):
self.config_file = 'modify.ini'
self.logger = logging.getLogger(__name__)
self.self_ip = self.get_self_ip('eth0')
# self.self_ip = '192.168.8.104'
self.reset_config()
# 获取所在主节点IP
def get_self_ip(self, ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', ifname[:15].encode()))[20:24])
# 初始化配置参数
def reset_config(self):
self.options = {}
self.master_info = {}
self.slave_info = {}
configfile = configparser.ConfigParser()
with open(self.config_file, 'rb') as f:
str = f.read()
coding = chardet.detect(str)['encoding']
configfile.read(self.config_file, encoding=coding)
for item in configfile.options('options'):
self.options[item] = configfile.get('options', item)
for item in configfile.options('master_info'):
self.master_info[item] = configfile.get('master_info', item)
for item in configfile.options('slave_info'):
self.slave_info[item] = configfile.get('slave_info', item)
self.logger.info(self.options)
self.logger.info(self.master_info)
self.logger.info(self.slave_info)
# 检测是否安装ansible/ansible版本是否为2.8
def check_ansible_version(self):
try:
import ansible
ansible_version = re.search('\d+.\d+', ansible.__version__).group()
if ansible_version != '2.8':
print("\033[0;36m>>>>>>>>>>即将开始安装ansible2.8.6<<<<<<<<<<\n\033[0m")
time.sleep(3)
result = os.system('tar zxf ansible_offline.tar.gz;chmod +x ansible_offline/install.sh;./ansible_offline/install.sh')
if result == 0:
print("\033[0;36m>>>>>>>>>>完成安装ansible2.8.6!<<<<<<<<<<\n\033[0m")
except:
print("\033[0;36m>>>>>>>>>>即将开始安装ansible2.8.6<<<<<<<<<<\n\033[0m")
time.sleep(3)
result = os.system('pwd;tar zxf ansible_offline.tar.gz;chmod +x ansible_offline/install.sh;./ansible_offline/install.sh')
if result == 0:
print("\033[0;36m>>>>>>>>>>完成安装ansible2.8.6!<<<<<<<<<<\n\033[0m")
finally:
from Ansible_API import MyAnsiable
global MyAnsiable
# 对操作过滤，程序的入口
def filter_operation(self):
if self.options['modify_ip_slave'] == '1' or self.options['update_config_slave'] == '1':
self.check_ansible_version()
self.make_slave_info()
if self.options['update_config_slave'] == '1':
self.make_master_info('slave_use')
self.configure_slave()
if self.options['modify_ip_slave'] == '1':
self.modify_slave_ip()
if self.options['modify_ip_master'] == '1' or self.options['update_config_master'] == '1':
self.make_master_info()
if self.options['update_config_master'] == '1':
self.configure_master()
if self.options['modify_ip_master'] == '1':
self.modify_master_ip()
# 将配置的IP转成列表
def get_each_ip(self, infos):
ip_list = []
ip_infos = re.findall('\d+.\d+.\d+.\d+-?\d*', infos)
for info in ip_infos:
if re.search('-', info):
ip_block = re.search('(\d+.\d+.\d+.)(\d+)-(\d+)', info)
if ip_block:
ip_pre = ip_block.group(1)
ip_min = ip_block.group(2)
ip_max = ip_block.group(3)
if ip_min > ip_max:
print('\033[0;31m起始IP大于结束IP(%s)，请检查modify.ini!\033[0m' % info)
sys.exit()
ip_list = ip_list + ["%s%d" % (ip_pre, num) for num in range(int(ip_min), int(ip_max)+1)]
else:
print('\033[0;31m子节点IP配置存在空值(%s)，请检查modify.ini!\033[0m' % info)
sys.exit()
else:
dest_ip = re.search('\d+.\d+.\d+.\d+', info).group()
if dest_ip:
ip_list.append(info)
return ip_list
# 删除旧hosts文件
def check_hosts_file(self):
self.hosts_file = 'tmp_hosts'
if os.path.exists(self.hosts_file):
os.remove(self.hosts_file)
# 再封装一层调用ansible
def use_ansible_api(self, ansible_worker, ip, module, command):
ansible_worker.run(hosts=ip, module=module, args=command)
# 整理子节点信息
def make_slave_info(self):
self.check_hosts_file()
if self.slave_info['slave_ip']:
# 生成子节点IP列表，跳过主节点IP
self.slave_ips = self.get_each_ip(self.slave_info['slave_ip'])
self_ip_index = self.slave_ips.index(self.self_ip)
del self.slave_ips[self_ip_index]
self.logger.info(self.slave_ips)
# 生成新子节点IP列表，跳过主节点新IP
if self.options['modify_ip_slave'] == '1':
if self.slave_info['slave_whether_reboot'] == '1':
self.slave_whether_reboot = 'reboot'
else:
self.whether_reboot = 'noreboot'
self.slave_new_mask = self.slave_info['slave_new_mask']
if self.slave_info['slave_new_ip'] and self.slave_new_mask:
self.slave_ips_new = self.get_each_ip(self.slave_info['slave_new_ip'])
if len(self.slave_ips) != len(self.slave_ips_new) - 1:
print('\033[0;31m新旧IP数目不一致，请检查modify.ini!\033[0m')
sys.exit()
del self.slave_ips_new[self_ip_index]
self.logger.info(self.slave_ips_new)
Inventory(self.hosts_file, 'old', self.slave_ips, 'ubuntu', 'ubuntu')
Inventory(self.hosts_file, 'tx2', self.slave_ips_new, 'ubuntu', 'ubuntu')
else:
print("\033[0;31m缺少子节点更改后的IP或掩码，请检查modify.ini!\033[0m")
sys.exit()
else:
Inventory(self.hosts_file, 'tx2', self.slave_ips, 'ubuntu', 'ubuntu')
else:
print('\033[0;31m没有填写子节点IP信息，请检查modify.ini!\033[0m')
sys.exit()
# 整理主节点信息
def make_master_info(self, type='master_use'):
if self.master_info['auto_get'] == '1' and self.options['modify_ip_master'] == '0':
self.master_int_ip = self.self_ip
# 获取子节点需要的主节点内网IP后不再进行其他操作
if type == 'slave_use':
return
self.master_ext_ip = self.get_self_ip('eth1')
else:
re_int = re.search('\d+.\d+.\d+.\d+', self.master_info['master_int_ip'])
if self.master_info['master_int_ip'] and re_int:
self.master_int_ip = re_int.group()
else:
print('\033[0;31mmaster_int_ip(%s)无效，请检查modify.ini!\033[0m' % self.master_info['master_int_ip'])
sys.exit()
# 获取子节点需要的主节点内网IP后不再进行其他操作
if type == 'slave_use':
return
re_ext = re.search('\d+.\d+.\d+.\d+', self.master_info['master_ext_ip'])
if self.master_info['master_ext_ip'] and re_ext:
self.master_ext_ip = re_ext.group()
else:
print('\033[0;31mmaster_ext_ip(%s)无效，请检查modify.ini!\033[0m' % self.master_info['master_ext_ip'])
sys.exit()
# 修改主节点IP时获取如下信息
if self.options['modify_ip_master'] == '1':
if self.master_info['master_whether_reboot'] == '1':
self.master_whether_reboot = 'reboot'
else:
self.master_whether_reboot = 'noreboot'
self.master_ext_mask = self.master_info['master_ext_mask']
self.master_int_mask = self.master_info['master_int_mask']
self.master_gateway = self.master_info['master_gateway']
# 更新主节点配置时获取如下信息
if self.options['update_config_master'] == '1':
self.plat_ip = self.master_info['plat_ip']
# 修改子节点IP
def modify_slave_ip(self):
print("\033[0;36m>>>>>>>>>>开始修改子节点IP<<<<<<<<<<\n\033[0m")
ansible_worker = MyAnsiable(inventory='tmp_hosts', connection='smart')
# 进程池Pool不能在类中使用，此处调用Process模拟进程池
process_list = []
for i in range(len(self.slave_ips)):
command = 'modify.sh %s %s %s' % (self.slave_ips_new[i], self.slave_new_mask, self.slave_whether_reboot)
p = Process(target=self.use_ansible_api,
args=(ansible_worker, self.slave_ips[i], 'script', command,))
process_list.append(p)
p.start()
while len(process_list) > 9:
for process in process_list:
if not process.is_alive():
process_list.remove(process)
for p in process_list:
p.join()
print("\033[0;36m>>>>>>>>>>完成修改子节点IP!<<<<<<<<<<\n\033[0m")
# 修改主节点IP
def modify_master_ip(self):
print("\033[0;36m>>>>>>>>>>开始修改主节点IP!<<<<<<<<<<\n\033[0m")
os.system('chmod +x modify.sh;./modify.sh %s %s %s' % (self.master_int_ip, self.master_int_mask, 'noreboot'))
os.system('chmod +x modify.sh;./modify.sh %s %s %s %s' % (self.master_ext_ip, self.master_ext_mask,
self.master_gateway, self.master_whether_reboot))
print("\033[0;36m>>>>>>>>>>完成修改主节点IP!<<<<<<<<<<\n\033[0m")
# 修改子节点配置，思路同modify_slave_ip
def configure_slave(self):
print("\033[0;36m>>>>>>>>>>开始修改子节点配置<<<<<<<<<<\n\033[0m")
ansible_worker = MyAnsiable(inventory='tmp_hosts', connection='smart')
if self.options['modify_ip_slave'] == '1':
process_list = []
for i in range(len(self.slave_ips)):
command = 'update_fx_config.sh %s %s' % (self.slave_ips_new[i], self.master_int_ip)
p = Process(target=self.use_ansible_api,
args=(ansible_worker, self.slave_ips[i], 'script', command,))
process_list.append(p)
p.start()
while len(process_list) > 9:
for process in process_list:
if not process.is_alive():
process_list.remove(process)
for p in process_list:
p.join()
else:
slave_group = 'tx2'
self.use_ansible_api(ansible_worker, slave_group, 'script', 'update_fx_config.sh %s %s' %
('{{inventory_hostname}}', self.master_int_ip))
print("\033[0;36m>>>>>>>>>>完成修改子节点配置!<<<<<<<<<<\n\033[0m")
# 修改主节点配置
def configure_master(self):
print("\033[0;36m>>>>>>>>>>开始修改主节点配置<<<<<<<<<<\n\033[0m")
os.system('chmod +x update_fx_config.sh && ./update_fx_config.sh %s %s %s' %
(self.master_ext_ip, self.master_int_ip, self.plat_ip))
print("\033[0;36m>>>>>>>>>>完成修改主节点配置!<<<<<<<<<<\n\033[0m")
# def thread_pool_callback(self, worker):
# self.logger.info("called thread pool executor callback function")
# worker_exception = worker.exception()
# if worker_exception:
# self.logger.exception("Worker return exception: {}".format(worker_exception))
if __name__ == "__main__":
rootPath = os.path.dirname(__file__)
os.chdir(rootPath)
configure_fx = Configure_FX()
# configure_fx.get_each_ip(configure_fx.slave_info['slave_ip'])
configure_fx.filter_operation()