豆子平常一般习惯用Nagios监控系统的状态。平常公司使用VEEAM来管理文件的备份和还原,备份的结果一般通过Email发送给豆子。今天心血来潮,想把这个备份的状态在Nagios的监控界面上也展现出来。
因为VEEAM本身提供了PowerShell的模块,因此豆子可以通过NSclient++客户端来调用自定义的PowerShell脚本,从而实现监控的目的。
1) 自定义的 Powershell脚本 veeam_backup.ps1, 脚本很简单,根据不同的结果返回不同的exit的值。
Nagios里面的定义是
0- OK
1- Warning
2- Critial
3- Unknow
Param( # Param1 help description [string] $name)Add-PSSnapin -Name VeeamPSSnapIn -ErrorAction SilentlyContinueDisconnect-vbrserverConnect-VBRServer -Server drvbr01 -User omnicom\yuan.li -Password Goat201510$job = Get-VBRJob -Name $name$name = "'" + $name + "'"if ($job -eq $null){Write-Host "UNKNOWN! No such a job: $name."exit 3}$status = $job.GetLastResult()if($($job.findlastsession()).State -eq "Working"){Write-Host "OK - Job: $name is currently in progress."exit 0}if ($status -eq "Failed"){Write-Host "CRITICAL! Errors were encountered during the backup process of the following job: $name."exit 2}if($status -eq "Success"){ $lastrun=$job.scheduleOptions.LatestRunLocal write-host "OK - Job: $name was completed succesfully, Lastrun finished at $lastrun " exit 0}if ($status -ne "Success"){ $statusWrite-Host "WARNING! Job $name didn't fully succeed."exit 1}
执行看看,成功!
PS C:\Windows\system32> C:\veeam_backup.ps1 -name "Finance Servers - Backup"OK - Job: 'Finance Servers - Backup' was completed succesfully, Lastrun finished at 11/12/2017 23:30:00
2) 第二步需要修改我们的Nsclient++的配置文件 nsclient.ini 这个地方一定要确保格式正确 不然nagios无法识别我们自己写的外部命令。
nisclient.ini 配置文件关键配置如下
[/settings/NRPE/server] verify mode = noneinsecure = trueextended response = 0allow arguments = trueallow nasty characters = true[/modules] CheckHelpers = 1CheckNSCP = 1CheckDisk = 1CheckSystem = 1NSClientServer = 1CheckEventLog = 1NSCAClient = 1NRPEServer = enabledCheckExternalScripts = enabled[/settings/NRPE/server] verify mode = noneinsecure = trueport = 9999extended response = 0allow arguments = trueallow nasty characters = true[/settings/external scripts] allow arguments = true[/settings/external scripts/scripts]financejob = cmd /c echo c:\\veeam_backup.ps1 $ARG1$; exit($lastexitcode) | powershell.exe -command -
修改完毕,重启nscp服务之后,在SSH登录Nagios服务器,测试该命令是否能够识别
[root@sydnagios libexec]# ./check_nrpe -H drvbr01 -c financejob -a "Finance Servers - Backup"OK - Job: 'Finance Servers - Backup' was completed succesfully, Lastrun finished at 11/12/2017 23:30:00
3) 配置Nagios的command.cfg, host.cfg和service.cfg
define command { command_name check_veeamjob command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -p 5666 -c $ARG1$ -a $ARG2$}define host{ use windows-server ; host_name DRVBR01 ; alias DRVBR01 ; address 10.9.1.74 ; parents SYD3750COLO } define service{ use generic-service host_name DRVBR01 servicegroups windows-services service_description VEEAM REPLICATION JOB - Finance check_command check_veeamjob!financejob!'Finance Servers - Replication' }
4)测试
重启Nagios服务,然后在页面即可看见结果。结果和VEEAM 管理界面一致