我还在学习PowerShell脚本的方法,我正在编写一个脚本来计算文件服务器的可用空间百分比,并在驱动器剩余可用空间的10%或更少时发送电子邮件通知(这种情况大约每月发生一次,在我从客户端发送电子邮件之前我需要知道没有更多的空间)。截至目前,该脚本运行良好,并设置为每天早上通过Windows任务运行。但是我现有的输出格式是手动完成的。我想知道是否有办法从使用Get-WmiObject函数收集和计算的信息中传递变量。我已经尝试了格式表并尝试搞乱哈希表,但无济于事。任何想法都会有所帮助。感谢。
# Set Parameters
$file = "c:\location\Lowdisk.txt"
Clear-Content $file
$emailTO = "Someone@SomeDomain.com"
$emailFrom = "Someone@SomeDomain.com"
$smtpServer = "smtpServer"
$diskspace = "3"
$computers = ("FSCN01","FSCN02","FSCN03","FSCN04")
echo "Server Name Drive Drive Size Free Space % Free" >> $file
$i = 0
# Get Drive Data
foreach($computer in $computers)
{
$drives = Get-WmiObject -ComputerName $computer Win32_LogicalDisk | Where-Object {$_.DriveType -eq 3}
foreach($drive in $drives)
{
$ID = $drive.DeviceID
$size1 = $drive.size / 1GB
$size = "{0:N1}" -f $size1
$free1 = $drive.freespace / 1GB
$free = "{0:N1}" -f $free1
$a = $free1 / $size1 * 100
$b = "{0:N1}" -f $a
# Monitor for drive free space % under 10%
if ($b -lt 10)
{
echo "$computer $ID $size $free $b" >> $file
$i++
}
}
}
# Send notification if script finds more than 0 drives with less than 35% free space
if ($i -gt 0)
{
foreach ($user in $emailTo)
{
echo "Sending Email Notification to $user"
$smtp = New-Object Net.Mail.SmtpClient($smtpServer)
$subject = "Server with Low Disk Space"
foreach ($line in Get-Content $file)
{
$body += "$line `n"
}
Send-MailMessage -to $user -From $emailFrom -Attachments $file -SmtpServer $smtpServer -Subject $Subject -Body $body
$body = ""
}
}
答案 0 :(得分:11)
Format-Table
效果最佳。我建议为此创建自定义对象:
foreach($computer in $computers)
{
$drives = Get-WmiObject -ComputerName $computer Win32_LogicalDisk | Where-Object {$_.DriveType -eq 3}
foreach($drive in $drives)
{
$obj = new-object psobject -Property @{
ComputerName = $computer
Drive = $drive.DeviceID
Size = $drive.size / 1GB
Free = $drive.freespace / 1GB
PercentFree = $drive.freespace / $drive.size * 100
}
if ($obj.PercentFree -lt 10) {
$obj | Format-Table ComputerName,Drive,Size,Free,PercentFree
$i++
}
}
}
如果要更改显示格式,请在format-table命令中执行此操作:
$obj | Format-Table ComputerName,Drive,@{n='Size';e={'{0:N1}' -f $_.Size}},Free,PercentFree
答案 1 :(得分:1)
基思已经覆盖了它,但是我的回复是半个写的,不管怎么说。我的版本不需要创建新对象,并将过滤作为管道的一部分。
正如凯斯所说,把所有东西都当作对象,直到最后一分钟。如果您需要强制PowerShell格式化,请使用'out-string'。
另外,请留意对列表的支持。许多命令将列表作为参数(例如计算机名称列表,电子邮件收件人),而不需要for-each循环。这可以使代码更简洁,但可读性更低,特别是对于初学者。无论如何,这就是我做的事情:
$comps=@("server1","server2","server3","server4")
$smtpServer = "mail.mydomain.com"
$toList = @("someone@mydomain.com","anotherperson@mydomain.com")
$minPercent = 10
$tableSpec = @(
@{label="Computer";expression={$_.SystemName}},
@{label="Disk";expression={$_.DeviceID}},
@{label="Size Gb";expression={[int]($_.size / 1Gb)}},
@{label="PercentFree";expression={[int]($_.FreeSpace / $_.Size * 100)}}
)
$report = (
Get-WmiObject -ComputerName $comps -Class Win32_LogicalDisk |
Where-Object { ($_.DriveType -eq 3) -and ($_.FreeSpace -lt ($_.Size * $minPercent / 100)) } |
Sort-Object SystemName, DeviceID |
ft -property $tableSpec -AutoSize |
Out-String
)
Send-MailMessage -Body $report -To $toList -Subject "Disk space report" -SmtpServer $smtpServer