來源：傑哥的IT之旅
這次再來給大家分享一波我工作中用到的幾個腳本，主要分為：Python和Shell兩個部分。
Python 腳本部分實例：企業微信告警、FTP 客戶端、SSH 客戶端、Saltstack 客戶端、vCenter 客戶端、獲取域名 ssl 證書過期時間、發送今天的天氣預報以及未來的天氣趨勢圖；
Shell 腳本部分實例：SVN 完整備份、Zabbix 監控用戶密碼過期、構建本地 YUM 以及上篇文章中有讀者的需求（負載高時，查出占用比較高的進程腳本並存儲或推送通知）；
篇幅有些長，還請大家耐心翻到文末。
此腳本通過企業微信應用，進行微信告警，可用於 Zabbix 監控。
# -*- coding: utf-8 -*-
import requests
import json
class DLF:
def __init__(self, corpid, corpsecret):
self.url = "https://qyapi.weixin.qq.com/cgi-bin"
self.corpid = corpid
self.corpsecret = corpsecret
self._token = self._get_token()
def _get_token(self):
'''
獲取企業微信API接口的access_token
:return:
'''
token_url = self.url + "/gettoken?corpid=%s&corpsecret=%s" %(self.corpid, self.corpsecret)
try:
res = requests.get(token_url).json()
token = res['access_token']
return token
except Exception as e:
return str(e)
def _get_media_id(self, file_obj):
get_media_url = self.url + "/media/upload?access_token={}&type=file".format(self._token)
data = {"media": file_obj}
try:
res = requests.post(url=get_media_url, files=data)
media_id = res.json()['media_id']
return media_id
except Exception as e:
return str(e)
def send_text(self, agentid, content, touser=None, toparty=None):
send_msg_url = self.url + "/message/send?access_token=%s" % (self._token)
send_data = {
"touser": touser,
"toparty": toparty,
"msgtype": "text",
"agentid": agentid,
"text": {
"content": content
}
}
try:
res = requests.post(send_msg_url, data=json.dumps(send_data))
except Exception as e:
return str(e)
def send_image(self, agentid, file_obj, touser=None, toparty=None):
media_id = self._get_media_id(file_obj)
send_msg_url = self.url + "/message/send?access_token=%s" % (self._token)
send_data = {
"touser": touser,
"toparty": toparty,
"msgtype": "image",
"agentid": agentid,
"image": {
"media_id": media_id
}
}
try:
res = requests.post(send_msg_url, data=json.dumps(send_data))
except Exception as e:
return str(e)通過 ftplib 模塊操作 ftp 服務器，進行上傳下載等操作。
# -*- coding: utf-8 -*-
from ftplib import FTP
from os import path
import copy
class FTPClient:
def __init__(self, host, user, passwd, port=21):
self.host = host
self.user = user
self.passwd = passwd
self.port = port
self.res = {'status': True, 'msg': None}
self._ftp = None
self._login()
def _login(self):
'''
登錄FTP服務器
:return: 連接或登錄出現異常時返回錯誤信息
'''
try:
self._ftp = FTP()
self._ftp.connect(self.host, self.port, timeout=30)
self._ftp.login(self.user, self.passwd)
except Exception as e:
return e
def upload(self, localpath, remotepath=None):
'''
上傳ftp文件
:param localpath: local file path
:param remotepath: remote file path
:return:
'''
if not localpath: return 'Please select a local file. '
# 讀取本地文件
# fp = open(localpath, 'rb')
# 如果未傳遞遠程文件路徑，則上傳到當前目錄，文件名稱同本地文件
if not remotepath:
remotepath = path.basename(localpath)
# 上傳文件
self._ftp.storbinary('STOR ' + remotepath, localpath)
# fp.close()
def download(self, remotepath, localpath=None):
'''
localpath
:param localpath: local file path
:param remotepath: remote file path
:return:
'''
if not remotepath: return 'Please select a remote file. '
# 如果未傳遞本地文件路徑，則下載到當前目錄，文件名稱同遠程文件
if not localpath:
localpath = path.basename(remotepath)
# 如果localpath是目錄的話就和remotepath的basename拼接
if path.isdir(localpath):
localpath = path.join(localpath, path.basename(remotepath))
# 寫入本地文件
fp = open(localpath, 'wb')
# 下載文件
self._ftp.retrbinary('RETR ' + remotepath, fp.write)
fp.close()
def nlst(self, dir='/'):
'''
查看目錄下的內容
:return: 以列表形式返回目錄下的所有內容
'''
files_list = self._ftp.nlst(dir)
return files_list
def rmd(self, dir=None):
'''
刪除目錄
:param dir: 目錄名稱
:return: 執行結果
'''
if not dir: return 'Please input dirname'
res = copy.deepcopy(self.res)
try:
del_d = self._ftp.rmd(dir)
res['msg'] = del_d
except Exception as e:
res['status'] = False
res['msg'] = str(e)
return res
def mkd(self, dir=None):
'''
創建目錄
:param dir: 目錄名稱
:return: 執行結果
'''
if not dir: return 'Please input dirname'
res = copy.deepcopy(self.res)
try:
mkd_d = self._ftp.mkd(dir)
res['msg'] = mkd_d
except Exception as e:
res['status'] = False
res['msg'] = str(e)
return res
def del_file(self, filename=None):
'''
刪除文件
:param filename: 文件名稱
:return: 執行結果
'''
if not filename: return 'Please input filename'
res = copy.deepcopy(self.res)
try:
del_f = self._ftp.delete(filename)
res['msg'] = del_f
except Exception as e:
res['status'] = False
res['msg'] = str(e)
return res
def get_file_size(self, filenames=[]):
'''
獲取文件大小,單位是字節
判斷文件類型
:param filename: 文件名稱
:return: 執行結果
'''
if not filenames: return {'msg': 'This is an empty directory'}
res_l = []
for file in filenames:
res_d = {}
# 如果是目錄或者文件不存在就會報錯
try:
size = self._ftp.size(file)
type = 'f'
except:
# 如果是路徑的話size顯示 - , file末尾加/ （/dir/）
size = '-'
type = 'd'
file = file + '/'
res_d['filename'] = file
res_d['size'] = size
res_d['type'] = type
res_l.append(res_d)
return res_l
def rename(self, old_name=None, new_name=None):
'''
重命名
:param old_name: 舊的文件或者目錄名稱
:param new_name: 新的文件或者目錄名稱
:return: 執行結果
'''
if not old_name or not new_name: return 'Please input old_name and new_name'
res = copy.deepcopy(self.res)
try:
rename_f = self._ftp.rename(old_name, new_name)
res['msg'] = rename_f
except Exception as e:
res['status'] = False
res['msg'] = str(e)
return res
def close(self):
'''
退出ftp連接
:return:
'''
try:
# 向服務器發送quit命令
self._ftp.quit()
except Exception:
return 'No response from server'
finally:
# 客戶端單方面關閉連接
self._ftp.close()此腳本僅用於通過 key 連接，如需要密碼連接，簡單修改下即可。
# -*- coding: utf-8 -*-
import paramiko
class SSHClient:
def __init__(self, host, port, user, pkey):
self.ssh_host = host
self.ssh_port = port
self.ssh_user = user
self.private_key = paramiko.RSAKey.from_private_key_file(pkey)
self.ssh = None
self._connect()
def _connect(self):
self.ssh = paramiko.SSHClient()
self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
self.ssh.connect(hostname=self.ssh_host, port=self.ssh_port, username=self.ssh_user, pkey=self.private_key, timeout=10)
except:
return 'ssh connect fail'
def execute_command(self, command):
stdin, stdout, stderr = self.ssh.exec_command(command)
out = stdout.read()
err = stderr.read()
return out, err
def close(self):
self.ssh.close()通過 api 對 Saltstack 服務端進行操作，執行命令。
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import requests
import json
import copy
class SaltApi:
"""
定義salt api接口的類
初始化獲得token
"""
def __init__(self):
self.url = "http://172.85.10.21:8000/"
self.username = "saltapi"
self.password = "saltapi"
self.headers = {"Content-type": "application/json"}
self.params = {'client': 'local', 'fun': None, 'tgt': None, 'arg': None}
self.login_url = self.url + "login"
self.login_params = {'username': self.username, 'password': self.password, 'eauth': 'pam'}
self.token = self.get_data(self.login_url, self.login_params)['token']
self.headers['X-Auth-Token'] = self.token
def get_data(self, url, params):
'''
請求url獲取數據
:param url: 請求的url地址
:param params: 傳遞給url的參數
:return: 請求的結果
'''
send_data = json.dumps(params)
request = requests.post(url, data=send_data, headers=self.headers)
response = request.json()
result = dict(response)
return result['return'][0]
def get_auth_keys(self):
'''
獲取所有已經認證的key
:return:
'''
data = copy.deepcopy(self.params)
data['client'] = 'wheel'
data['fun'] = 'key.list_all'
result = self.get_data(self.url, data)
try:
return result['data']['return']['minions']
except Exception as e:
return str(e)
def get_grains(self, tgt, arg='id'):
"""
獲取系統基礎信息
:tgt: 目標主機
:return:
"""
data = copy.deepcopy(self.params)
if tgt:
data['tgt'] = tgt
else:
data['tgt'] = '*'
data['fun'] = 'grains.item'
data['arg'] = arg
result = self.get_data(self.url, data)
return result
def execute_command(self, tgt, fun='cmd.run', arg=None, tgt_type='list', salt_async=False):
"""
執行saltstack 模塊命令，類似於salt '*' cmd.run 'command'
:param tgt: 目標主機
:param fun: 模塊方法 可為空
:param arg: 傳遞參數 可為空
:return: 執行結果
"""
data = copy.deepcopy(self.params)
if not tgt: return {'status': False, 'msg': 'target host not exist'}
if not arg:
data.pop('arg')
else:
data['arg'] = arg
if tgt != '*':
data['tgt_type'] = tgt_type
if salt_async: data['client'] = 'local_async'
data['fun'] = fun
data['tgt'] = tgt
result = self.get_data(self.url, data)
return result
def jobs(self, fun='detail', jid=None):
"""
任務
:param fun: active, detail
:param jod: Job ID
:return: 任務執行結果
"""
data = {'client': 'runner'}
data['fun'] = fun
if fun == 'detail':
if not jid: return {'success': False, 'msg': 'job id is none'}
data['fun'] = 'jobs.lookup_jid'
data['jid'] = jid
else:
return {'success': False, 'msg': 'fun is active or detail'}
result = self.get_data(self.url, data)
return result通過官方 SDK 對 vCenter 進行日常操作，此腳本是我用於 cmdb 平台的，自動獲取主機信息，存入數據庫。
from pyVim.connect import SmartConnect, Disconnect, SmartConnectNoSSL
from pyVmomi import vim
from asset import models
import atexit
class Vmware:
def __init__(self, ip, user, password, port, idc, vcenter_id):
self.ip = ip
self.user = user
self.password = password
self.port = port
self.idc_id = idc
self.vcenter_id = vcenter_id
def get_obj(self, content, vimtype, name=None):
'''
列表返回,name 可以指定匹配的對象
'''
container = content.viewManager.CreateContainerView(content.rootFolder, vimtype, True)
obj = [ view for view in container.view ]
return obj
def get_esxi_info(self):
# 宿主機信息
esxi_host = {}
res = {"connect_status": True, "msg": None}
try:
# connect this thing
si = SmartConnectNoSSL(host=self.ip, user=self.user, pwd=self.password, port=self.port, connectionPoolTimeout=60)
except Exception as e:
res['connect_status'] = False
try:
res['msg'] = ("%s Caught vmodl fault : " + e.msg) % (self.ip)
except Exception as e:
res['msg'] = '%s: connection error' % (self.ip)
return res
# disconnect this thing
atexit.register(Disconnect, si)
content = si.RetrieveContent()
esxi_obj = self.get_obj(content, [vim.HostSystem])
for esxi in esxi_obj:
esxi_host[esxi.name] = {}
esxi_host[esxi.name]['idc_id'] = self.idc_id
esxi_host[esxi.name]['vcenter_id'] = self.vcenter_id
esxi_host[esxi.name]['server_ip'] = esxi.name
esxi_host[esxi.name]['manufacturer'] = esxi.summary.hardware.vendor
esxi_host[esxi.name]['server_model'] = esxi.summary.hardware.model
for i in esxi.summary.hardware.otherIdentifyingInfo:
if isinstance(i, vim.host.SystemIdentificationInfo):
esxi_host[esxi.name]['server_sn'] = i.identifierValue
# 系統名稱
esxi_host[esxi.name]['system_name'] = esxi.summary.config.product.fullName
# cpu總核數
esxi_cpu_total = esxi.summary.hardware.numCpuThreads
# 內存總量 GB
esxi_memory_total = esxi.summary.hardware.memorySize / 1024 / 1024 / 1024
# 獲取硬盤總量 GB
esxi_disk_total = 0
for ds in esxi.datastore:
esxi_disk_total += ds.summary.capacity / 1024 / 1024 / 1024
# 默認配置4核8G100G，根據這個配置計算剩余可分配虛擬機
default_configure = {
'cpu': 4,
'memory': 8,
'disk': 100
}
esxi_host[esxi.name]['vm_host'] = []
vm_usage_total_cpu = 0
vm_usage_total_memory = 0
vm_usage_total_disk = 0
# 虛擬機信息
for vm in esxi.vm:
host_info = {}
host_info['vm_name'] = vm.name
host_info['power_status'] = vm.runtime.powerState
host_info['cpu_total_kernel'] = str(vm.config.hardware.numCPU) + '核'
host_info['memory_total'] = str(vm.config.hardware.memoryMB) + 'MB'
host_info['system_info'] = vm.config.guestFullName
disk_info = ''
disk_total = 0
for d in vm.config.hardware.device:
if isinstance(d, vim.vm.device.VirtualDisk):
disk_total += d.capacityInKB / 1024 / 1024
disk_info += d.deviceInfo.label + ": " + str((d.capacityInKB) / 1024 / 1024) + ' GB' + ','
host_info['disk_info'] = disk_info
esxi_host[esxi.name]['vm_host'].append(host_info)
# 計算當前宿主機可用容量：總量 - 已分配的
if host_info['power_status'] == 'poweredOn':
vm_usage_total_cpu += vm.config.hardware.numCPU
vm_usage_total_disk += disk_total
vm_usage_total_memory += (vm.config.hardware.memoryMB / 1024)
esxi_cpu_free = esxi_cpu_total - vm_usage_total_cpu
esxi_memory_free = esxi_memory_total - vm_usage_total_memory
esxi_disk_free = esxi_disk_total - vm_usage_total_disk
esxi_host[esxi.name]['cpu_info'] = 'Total: %d核, Free: %d核' % (esxi_cpu_total, esxi_cpu_free)
esxi_host[esxi.name]['memory_info'] = 'Total: %dGB, Free: %dGB' % (esxi_memory_total, esxi_memory_free)
esxi_host[esxi.name]['disk_info'] = 'Total: %dGB, Free: %dGB' % (esxi_disk_total, esxi_disk_free)
# 計算cpu 內存 磁盤按照默認資源分配的最小值，即為當前可分配資源
if esxi_cpu_free < 4 or esxi_memory_free < 8 or esxi_disk_free < 100:
free_allocation_vm_host = 0
else:
free_allocation_vm_host = int(min(
[
esxi_cpu_free / default_configure['cpu'],
esxi_memory_free / default_configure['memory'],
esxi_disk_free / default_configure['disk']
]
))
esxi_host[esxi.name]['free_allocation_vm_host'] = free_allocation_vm_host
esxi_host['connect_status'] = True
return esxi_host
def write_to_db(self):
esxi_host = self.get_esxi_info()
# 連接失敗
if not esxi_host['connect_status']:
return esxi_host
del esxi_host['connect_status']
for machine_ip in esxi_host:
# 物理機信息
esxi_host_dict = esxi_host[machine_ip]
# 虛擬機信息
virtual_host = esxi_host[machine_ip]['vm_host']
del esxi_host[machine_ip]['vm_host']
obj = models.EsxiHost.objects.create(**esxi_host_dict)
obj.save()
for host_info in virtual_host:
host_info['management_host_id'] = obj.id
obj2 = models.virtualHost.objects.create(**host_info)
obj2.save()用於 zabbix 告警
import re
import sys
import time
import subprocess
from datetime import datetime
from io import StringIO
def main(domain):
f = StringIO()
comm = f"curl -Ivs https://{domain} --connect-timeout 10"
result = subprocess.getstatusoutput(comm)
f.write(result[1])
try:
m = re.search('start date: (.*?)\n.*?expire date: (.*?)\n.*?common name: (.*?)\n.*?issuer: CN=(.*?)\n', f.getvalue(), re.S)
start_date = m.group(1)
expire_date = m.group(2)
common_name = m.group(3)
issuer = m.group(4)
except Exception as e:
return 999999999
# time 字符串轉時間數組
start_date = time.strptime(start_date, "%b %d %H:%M:%S %Y GMT")
start_date_st = time.strftime("%Y-%m-%d %H:%M:%S", start_date)
# datetime 字符串轉時間數組
expire_date = datetime.strptime(expire_date, "%b %d %H:%M:%S %Y GMT")
expire_date_st = datetime.strftime(expire_date,"%Y-%m-%d %H:%M:%S")
# 剩余天數
remaining = (expire_date-datetime.now()).days
return remaining
if __name__ == "__main__":
domain = sys.argv[1]
remaining_days = main(domain)
print(remaining_days)
此腳本用於給老婆大人發送今天的天氣預報以及未來的天氣趨勢圖，現在微信把網頁端禁止了，沒法發送到微信了，我是通過企業微信進行通知的，需要把你老婆大人拉到企業微信，無興趣的小伙伴跳過即可。
# -*- coding: utf-8 -*-
import requests
import json
import datetime
def weather(city):
url = "http://wthrcdn.etouch.cn/weather_mini?city=%s" % city
try:
data = requests.get(url).json()['data']
city = data['city']
ganmao = data['ganmao']
today_weather = data['forecast'][0]
res = "老婆今天是{}\n今天天氣概況\n城市: {:<10}\n
