#!/usr/bin/python
#coding:utf-8

import requests
import json
import re
import time
import csv
from collections import Counter
import smtplib
from email.header import Header
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.application import MIMEApplication

# 從cmdb系統獲取虛擬化生產主機ip
def getCmdbProdHost():
  url1 = 'http://paas.xxxx.com/api/c/compapi/v2/cc/search_inst/'
  data1 = {
    "bk_app_secret": "**********************",
    "bk_app_code": "bk_cmdb",
    "bk_username": "admin",
    "bk_obj_id": "host",
    "page": {
      "start": 0,
      "limit": 2000,
      "sort": "bk_inst_id"
    },
    "fields": {
      "host": [
        "bk_host_id",
        "bq_hostname",
        "bk_host_innerip",
        "bq_hosttype",
        "powerState",
        "bq_osname"
      ]
    }  }
  r1 = requests.post(url1, json=data1)
  response_dict1 = r1.json()
  #print(response_dict1)
  prodip_dict = {}
  testip = "10.210.xx|10.210.xx|10.210.xx|10.210.xx|xx.xx.xx"   #測試網段ip
  for i in response_dict1.get('data')["info"]:
    if i["bq_hosttype"] == "t2" and i["powerState"] == "poweredOn" and not re.search("UAT", i["bq_hostname"]) and not re.match(testip, i["bk_host_innerip"]):
      prodip_dictkey = i["bk_host_innerip"]
      #prodip_dictvalue = i["bq_hostname"]
      prodip_dictvalue = [i["bq_hostname"], i["bq_osname"], i["powerState"]]
      prodip_dict[prodip_dictkey] = prodip_dictvalue
  return prodip_dict

#獲取zabbix系統登錄認證
def getZabToken(url, post_headers, url_user, url_password):
  post_data = {
    "jsonrpc": "2.0",
    "method": "user.login",
    "params": {
      "user": url_user,
      "password": url_password
    },
    "id": 1
  }
  ret = requests.post(url, data=json.dumps(post_data), headers=post_headers)
  return json.loads(ret.text).get("result")

def getZabHost(url,post_headers,token):
  data = {
    "jsonrpc": "2.0",
    "method": "host.get",
    "params": {
      "output": [
        "hostid",
        "host"
      ],
      "selectInterfaces": [
        "interfaceid",
        "ip"
      ]
    },
    "id": 2,
    "auth": token,
  }
  request = requests.post(url, headers=post_headers, data=json.dumps(data))
  dict = json.loads(request.content)
  zab_ip = []
  for i in dict['result']:
    zab_ip.append(i['host'])
  return zab_ip

def compare(zabhostlist, cmdbhostdict):
  zabbixiplist = Counter(zabhostlist)
  cmdbiplist = Counter(list(cmdbhostdict.keys()))
  nomonip = {}
  for i in list((cmdbiplist - zabbixiplist).elements()):
    nomonip_value = cmdbhostdict[i]
    nomonip_key = i
    nomonip[nomonip_key] = nomonip_value
  print(nomonip)
  return nomonip

class writeToCsv(object):
  def __init__(self,data,info):
    self.data = data
    self.info = info

  def write_to_csv(self):
    rows = self.data
    info = self.info
    csvfile = "zabbix未監控生產系統IP列表" + info + time.strftime('_%Y%m%d%H%M%S', time.localtime(time.time())) + ".csv"
    # print(csvfile)
    # 創建文件對象
    f = open(csvfile, 'w', newline='')

    # 通過文件創建csv對象
    csv_write = csv.writer(f)

    # writerow: 按行寫入，　writerows: 是批量寫入
    # 寫入數據 取列表的第一行字典，用字典的ｋｅｙ值做為頭行數據
    # csv_write.writerow(rows[0].keys())
    csv_write.writerow(["未監控生產IP", "主機名", "操作系統", "電源狀態"])

    # 循環里面的字典，將value作為數據寫入進去
    ip = list(rows.keys())
    hostname = list(rows.values())
    for row in range(len(ip)):
      csv_write.writerow([ip[row], hostname[row][0], hostname[row][1], hostname[row][2]])

    # 關閉打開的文件
    f.close()
    print("讀寫完成:",csvfile)
    return csvfile

def sendmail(csvfile,receiver):
  sender = 'xxx@xxx.com'
  smtpserver = 'xx.xx.xx.xx'
  username = 'xxx@xxx.com'
  password = '******'
  mail_title = 'zabbix未監控生產主機IP地址'

  # 創建一個帶附件的實例
  message = MIMEMultipart()
  message['From'] = sender
  message['To'] = ','.join(receiver)
  message['Subject'] = Header(mail_title, 'utf-8')

  # 郵件正文內容
  message.attach(MIMEText('每日自動統計監控覆蓋率', 'plain', 'utf-8'))

  # 構造附件
  att1 = MIMEApplication(open(csvfile, 'rb').read()) # 打開附件
  att1.add_header('Content-Disposition', 'attachment', filename=csvfile) # 為附件命名
  message.attach(att1)

  smtpObj = smtplib.SMTP_SSL() # 注意：如果遇到發送失敗的情況（提示遠程主機拒接連接），這里要使用SMTP_SSL方法
  smtpObj.connect(smtpserver)
  smtpObj.login(username, password)
  smtpObj.sendmail(sender, message['To'].split(','), message.as_string())
  print("郵件發送成功?。?！")
  smtpObj.quit()

if __name__ == '__main__':
  url = 'http://xx.xx.xx.xx/api_jsonrpc.php'         #zabbix監控系統接口地址
  post_headers = {'Content-Type': 'application/json'}
  url_user = "Admin"
  url_passwd = "******"
  auth = getZabToken(url,post_headers,url_user,url_passwd)
  zabhostlist = getZabHost(url,post_headers,auth)       #獲取zabbix監控主機ip地址列表
  cmdbhostdict = getCmdbProdHost()               #獲取cmdb主機地址列表
  #zabbix監控主機和cmdb主機做比較
  data = compare(zabhostlist, cmdbhostdict)

  #導出csv文件
  info = '統計'
  write = writeToCsv(data, info)
  resp = write.write_to_csv()
  receiver = ['hushanshan2@bngrp.com']   #y郵件接收人，多人用逗號區分開
  sendmail(resp, receiver)