Zabbixを使用してMicrosoft ADのクライアントPCを監視します。 パート2-テンプレート、スクリプト、LLD

料理テンプレート

MYparsBLOCK:nutpt: HIP:{HOST.DNS} MYparsBLOCK:remove_offline: HID:{HOST.NAME}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

低レベルの発見

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; using System.Text.RegularExpressions; namespace hdd_scan { class Program { static string[] smartctl(string arg) { Process p = new Process(); p.StartInfo.FileName = "C:\\Program Files\\Zabbix\\extra\\smart\\smartctl.exe"; p.StartInfo.Arguments = arg; p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardOutput = true; p.Start(); string output = p.StandardOutput.ReadToEnd(); string[] list = output.Split('\n'); p.WaitForExit(); return list; } static void Main(string[] args) { try { string[] hddlist = smartctl("--scan"); Dictionary<string, string> psarr = new Dictionary<string, string>(); string pattern = @"^(?<1>\/[\w]+)\/(?<xer>[\S]+)\s"; foreach (string hdd in hddlist) { var match = Regex.Match(hdd, pattern); if (match.Success) { string shdd = match.Groups["xer"].Value; string[] tmp = smartctl("-a " + shdd); foreach (string line in tmp) { if (line.Contains("Serial") == true) { string[] serials = Regex.Split(line, @"^Serial\sNumber\:\s+"); if (serials.Length < 2) continue; string serial = serials[1]; if (!psarr.ContainsValue(serial)) { psarr.Add(shdd, serial); } } } } } //Starting output int cnt = 0; Console.WriteLine("{\n"); Console.WriteLine("\t\"data\":[\n\n"); foreach (KeyValuePair<string, string> kvp in psarr) { string[] flist = smartctl("-a "+kvp.Key); string checkstring = "A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options."; // bool test= false; for (int i = 0; i < flist.Length; i++) { if (flist[i].Contains(checkstring)) { test = true; } } if (!test) { cnt++; if (cnt > 1) { Console.WriteLine("\t,\n"); } Console.WriteLine("\t{\n"); Console.WriteLine("\t\t\"{{#HDDNAME}}\":\"{0}\"\n", kvp.Key); Console.WriteLine("\t}\n"); } } Console.WriteLine("\n\t]\n"); Console.WriteLine("}\n"); } catch (Exception ex) { Console.WriteLine(ex.Message); } } } }
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

 MYparsBLOCK:firstrun: HIP:{HOST.IP}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

 MYparsBLOCK:hddsmart: HIP:{HOST.DNS}:KKEY:smart[{#HDDNAME},model]
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

 @echo off rem use smart.cmd <disk> < parameter> smart.cmd sda health cd "C:\Program Files\Zabbix\cmd" if %2==health ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" -H %1 | grep result | awk "{print $6}") if %2==model ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" -i %1 | grep "Device Model" | awk -F"Device Model:" "{print $2}") if %2==realloc ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" --attributes %1 | grep Reallocated_S | awk "{print $10}") if %2==crc ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" --attributes %1 | grep CRC | awk "{print $10}") if %2==pend ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" --attributes %1 | grep Pend | awk "{print $10}") if %2==temp ("C:\Program Files\Zabbix\extra\smart\smartctl.exe" --attributes %1 | grep Temperature_Celsius | awk "{print $10}")
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

警告スクリプト

 #!/usr/bin/env python # -*- coding: utf-8 -*- #/var/lib/zabbixsrv/alertscripts/mail.py import string import re import subprocess import sys import time import os #    ,  ,    def send_mail(recipient, subject, body): import smtplib from email.MIMEText import MIMEText from email.Header import Header from email.Utils import formatdate encoding='utf-8' SMTP_SERVER = 'smtp' SENDER_NAME = u'Zabbix Alert' session = None msg = MIMEText(body, 'plain', encoding) msg['Subject'] = Header(subject, encoding) msg['From'] = Header(SENDER_NAME, encoding) msg['To'] = recipient msg['Date'] = formatdate() try: session = smtplib.SMTP(SMTP_SERVER) session.sendmail(SENDER_NAME, recipient, msg.as_string()) except Exception as e: raise e finally: # close session if session: session.quit() # Zabbix     ,   ,     .(  ,   ) def daemonize (stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'): try: pid = os.fork() if pid > 0: sys.exit(0) except OSError, e: sys.stderr.write("fork #1 failed: (%d) %s\n" % (e.errno, e.strerror)) sys.exit(1) os.chdir("/") os.umask(0) os.setsid() try: pid = os.fork() if pid > 0: sys.exit(0) except OSError, e: sys.stderr.write("fork #2 failed: (%d) %s\n" % (e.errno, e.strerror)) sys.exit(1) for f in sys.stdout, sys.stderr: f.flush() si = file(stdin, 'r') so = file(stdout, 'a+') se = file(stderr, 'a+', 0) os.dup2(si.fileno(), sys.stdin.fileno()) os.dup2(so.fileno(), sys.stdout.fileno()) os.dup2(se.fileno(), sys.stderr.fileno()) #     def hddsmart(): m=re.search('MYparsBLOCK\:\S+\:\s+HIP\:(?P<hostip>\S+)\:KKEY\:(?P<kkey>\S+)',a3) hostip,kkey= m.group('hostip'),m.group('kkey') p = subprocess.Popen('zabbix_get -s '+hostip+' -k '+kkey, shell=True,stdout=subprocess.PIPE) bb = a3[0:string.find(a3,'MYparsBLOCK')] + 'HDD: ' + p.stdout.read() send_mail(sys.argv[1],a2,bb) #    .    api    def remove_offline(): if 'PROBLEM:' in a2: m=re.search('MYparsBLOCK\:\S+\:\s+HID\:(?P<hostid>\S+)',a3) hostid = m.group('hostid') + '\n' hidf=open('/var/log/zabbixsrv/2del_ids', 'a') hidf.write(hostid) hidf.close send_mail(sys.argv[1],a2,a3[0:string.find(a3,'MYparsBLOCK')]) # ,       .      microsoft devcon. def nutpt(): if 'PROBLEM:' in a2: m=re.search('MYparsBLOCK\:\S+\:\s+HIP\:(?P<hostip>\S+)',a3) hostip = m.group('hostip') log = '' i = 0 while i < 5: p = subprocess.Popen("""zabbix_get -s %s -k 'system.run[net stop "Network UPS Tools"]'"""%(hostip), shell=True,stdout=subprocess.PIPE) log +=p.stdout.read() time.sleep(10) p = subprocess.Popen("""zabbix_get -s %s -k system.run['cd "C:\Program Files\Zabbix\cmd\"&devcon.exe restart USB\VID_051D*']"""%(hostip), shell=True,stdout=subprocess.PIPE) log +=p.stdout.read() time.sleep(30) p = subprocess.Popen("""zabbix_get -s %s -k 'system.run[net start "Network UPS Tools"]'"""%(hostip), shell=True,stdout=subprocess.PIPE) log +=p.stdout.read() i += 1 p = subprocess.Popen("""zabbix_get -s %s -k 'ups.status'"""%(hostip), shell=True,stdout=subprocess.PIPE) if 'Error' not in p.stdout.read(): i = 8 if i <> 8: send_mail(sys.argv[1],a2,log) #    .     smart   smartctl.exe --scan-open def firstrun(): m=re.search('MYparsBLOCK\:\S+\:\s+HIP\:(?P<hostip>\S+)',a3) hostip = m.group('hostip') p = subprocess.Popen("""zabbix_get -s %s -k system.run['cd "C:\Program Files\Zabbix\extra\smart\"&smartctl.exe --scan-open']"""%(hostip), shell=True,stdout=subprocess.PIPE) log = p.stdout.read() send_mail(sys.argv[1],a2,log) daemonize(stdout='/var/log/zabbixsrv/script_out.log', stderr='/var/log/zabbixsrv/script_err.log') try: a1,a2,a3 = sys.argv[1],sys.argv[2],sys.argv[3] #debug(      ) #os.system('echo "' + a1+' '+a2+' '+a3 +'" >> /var/log/zabbixsrv/script_dbg.log') if 'MYparsBLOCK' in a3: eval(re.search('MYparsBLOCK\:(?P<myfunc>\S+)\:',a3).group('myfunc'))() #      else: send_mail(sys.argv[1],a2,a3) except: #print sys.exc_info() send_mail('admin@domain.local', 'Error in script', str(sys.exc_info()))
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

非アクティブなホストを削除するスクリプト

 #!/usr/bin/python # import os from pyzabbix import ZabbixAPI, ZabbixAPIException try: os.rename ('/var/log/zabbixsrv/2del_ids','/var/log/zabbixsrv/klist_pr') except: pass user='apirobot' pwd='*******' url = 'https://127.0.0.1/zabbix/' zh = ZabbixAPI(url) zh.session.verify = False zh.login(user=user, password=pwd) f = open('/var/log/zabbixsrv/klist_pr') for hnm in f: try: hid = zh.host.get(filter={"host":hnm.replace('\n','')},output=['hostid'])[0]['hostid'] #zh.host.delete(hostid = hid) - API change zh.host.delete(int(hid)) except: pass f.close() os.remove('/var/log/zabbixsrv/klist_pr')
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

DNS名でエージェントを接続する

 #!/usr/bin/python # # -*- coding: utf-8 -*- import socket from getpass import getpass from pyzabbix import ZabbixAPI, ZabbixAPIException zapi = ZabbixAPI(server='https://127.0.0.1/zabbix/') zapi.session.verify = False zapi.login('apirobot', '*******') body = '' err = '' def send_mail(recipient, subject, body): import smtplib from email.MIMEText import MIMEText from email.Header import Header from email.Utils import formatdate encoding='utf-8' SMTP_SERVER = 'smtp' SENDER_NAME = u'zabbix@domain.local' MAIL_ACCOUNT = 'zabbix@domain.local' session = None msg = MIMEText(body, 'plain', encoding) msg['Subject'] = Header(subject, encoding) msg['From'] = Header(SENDER_NAME, encoding) msg['To'] = recipient msg['Date'] = formatdate() try: session = smtplib.SMTP(SMTP_SERVER) session.sendmail(MAIL_ACCOUNT, recipient, msg.as_string()) except Exception as e: raise e finally: # close session if session: session.quit() # Loop through all hosts interfaces, getting only "main" interfaces of type "agent" for h in zapi.hostinterface.get(output=["dns","ip","useip"],selectHosts=["host"],filter={"main":1,"type":1}): #print h # Make sure the hosts are named according to their FQDN # if len(h['dns']) == 0: try: zapi.hostinterface.update(interfaceid=h['interfaceid'], dns = socket.gethostbyaddr(h['hosts'][0]['host'])[0]) except: body += ('FQDN_UPD_ERR: ' + h['hosts'][0]['host']) + '\n' try: a = socket.gethostbyaddr(h['hosts'][0]['host'])[2][0] b = socket.gethostbyaddr(h['dns'])[2][0] if (a != b): body += ('Warning: %s has dns "%s"' % (h['hosts'][0]['host'], h['dns'])) + '\n' except: body += ('DNS_LOOKUP_ERR: ' + h['hosts'][0]['host']) + '\n' # Make sure they are using hostnames to connect rather than IPs (could be also filtered in the get request) if h['useip'] == '1': body += ('%s is using IP instead of hostname. Fixing.' % h['hosts'][0]['host']) + '\n' try: zapi.hostinterface.update(interfaceid=h['interfaceid'], useip=0) except ZabbixAPIException as e: #print(e) err += str(e)+'\n' err += '\n' continue body += '\nZabbix Errors:' + err if len(body) > 16: send_mail('admin@domain.local','check agents',body)
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

追記