Question

我正在整理一个用于安排重新启动服务器的重启脚本。

我的目标是通过使用带计数器的循环来改进功能和错误处理，以便在服务器中断/退出脚本：

1）不重启。例如While (Test-path "\\$server\c$")

2）不上网。例如While (-not(Test-path "\\$server\c$"))

此外，如果上述任何条件为TRUE，我正在尝试将日志记录添加到CSV文件中。否则，脚本将继续并使用先前的重新启动时间戳以及当前重新启动时间戳创建CSV。

我当前的尝试似乎没有正确退出脚本并记录失败，老实说，我不太确定如何在重新启动服务器之前测试它。

Param([Parameter(Mandatory=$true)][string]$server)
$ErrorActionPreference = "SilentlyContinue"

Try{
$LastReboot = Get-EventLog -ComputerName $server -LogName system | Where-Object {$_.EventID -eq '6005'} | Select -ExpandProperty TimeGenerated | select -first 1

(Invoke-WmiMethod -ComputerName $server -Path "Win32_Service.Name='HealthService'" -Name PauseService).ReturnValue | Out-Null

Restart-Computer -ComputerName $server -Force

#New loop with counter, exit script if server did not reboot.
$max = 20;$i = 0
DO{
    IF($i -gt $max){

        $hash = @{
             "Server" =  $server
             "Status" = "FailedToReboot!"
             "LastRebootTime" = $LastReboot
          }
    $newRow = New-Object PsObject -Property $hash
    Export-Csv c:\Scripts\RebootCheck.csv -InputObject $newrow -Append -Force
    ;exit}#exit script and log failed to reboot.
    $i++
"Wait for server to reboot"
    Start-Sleep -Seconds 30
}#end DO
While (Test-path "\\$server\c$")

$max = 15;$i = 0
 DO{
    IF($i -gt $max){

        $hash = @{
             "Server" =  $server
             "Status" = "FailedToComeOnline!"
             "LastRebootTime" = $LastReboot
          }
    $newRow = New-Object PsObject -Property $hash
    Export-Csv c:\Scripts\RebootCheck.csv -InputObject $newrow -Append -Force
    ;exit}#exit script and log failed to reboot.
    $i++
    "Wait for [$server] to come online"
    Start-Sleep -Seconds 30
}#end DO
While (-not(Test-path "\\$server\c$"))

$CurrentReboot = Get-EventLog -ComputerName $server -LogName system | Where-Object {$_.EventID -eq '6005'} | Select -ExpandProperty TimeGenerated | select -first 1
        $hash = @{
                 "Server" =  $server
                 "Status" = "RebootSuccessful"
                 "LastRebootTime" = $LastReboot
                 "CurrentRebootTime" = $CurrentReboot
                  }

$newRow = New-Object PsObject -Property $hash
Export-Csv c:\Scripts\RebootCheck.csv -InputObject $newrow -Append -Force

}#End Try.

Catch{
$errMsg = $_.Exception
"Failed with $errMsg"
 }

Answer 1

要摆脱循环，请使用break关键字，而不是return。

在$true之前的$test块中<{1}} 分配到if ：

break

您显示的切换语句在语法上有效，但有点怪异，因为它与标准$test = false while ($limit -lt $max){ Write-Host "Reboot Request Sent, waiting for server to reboot" if(Test-Path \\Server1\C$){ Write-Host "Reboot Successful, continue script" $test = $true break } $limit++ Start-Sleep -Seconds 10 } / if完全等效：

else

Answer 2

经过反复试验，我相信自己有所作为。

此示例将在两秒后退出脚本

#restart-computer $server
$max = 2;$i = 0
 DO{
IF($i -gt $max){"Server failed to reboot!";exit}#exit script and log failed to reboot.
    $i++
"Wait for server to reboot"
    Start-Sleep -Seconds 1
}#end DO
While (Test-path "\\$server\c$")
"Server rebooted, continue script"

具有定时循环的服务器重启脚本

2 个答案: