## =====================================================================
## Title : GetVI-VM
## Description : Retrieve VMware VMs
## Author : Idera
## Date : 9/11/2008
## Input : -VIserver : Virtual Infrastructure server
## -vm : VM server to get server information, blank for all
## -verbose -debug
## Output : VMs
## Usage : PS> .\GetVI-VM -VIsevrer myVIserver -verbose -debug
## Notes :
## Tag : PowerShell, VMware
## Change log :
## 4/1/2009 - Added input parameters, param block, main and trap
## 4/1/2009 - Added Read-Host input prompts and Write-Verbose and Write-Debug statements
## =====================================================================
param
(
[string]$VIserver = "$(Read-Host 'VI Server' [e.g. vs01])",
[string]$vm = "$(Read-Host 'Virtual Machine' [e.g. vm01])",
[switch]$verbose = $true,
[switch]$debug = $false
)
function main()
{
if ($verbose) {$VerbosePreference = "Continue"}
if ($debug) {$DebugPreference = "Continue"}
Write-Verbose "Retrieve VMware VMs..."
GetVI-VM $VIserver $vm
}
function GetVI-VM($VIserver, $vm)
{
trap [Exception]
{
write-error $("TRAPPED: " + $_.Exception.Message);
continue;
}
$Error.Clear()
Get-PSSnapin vmware*
if($Error.Count -ne 0)
{
$Err = "ERROR" +
"`nTo run this script, the VI Toolkit must be installed and registered with PowerShell." +
"`nIf the VI Toolkit is installed, go to the Settings menu in PowerShell Plus console, " +
"`n click on Manage Snapins and check the VMware snapin to load it."
Write-Host $Err -foregroundcolor red -backgroundColor yellow
break
}
else
{
if ($VIserver -ne $null)
{
$viSrv = Connect-VIServer $VIserver
Write-Debug "You have connected to Server: $viSrv.Name with a SessionID of: $viSrv.SessionID ."
if ($vm -eq "")
{
Get-VM | Sort-Object -property Name
}
else
{
Get-VM $vm | Sort-Object -property Name
}
Disconnect-VIServer -Server $DefaultVIServer
}
else
{
Write-Host "You must supply a valid host name"
}
}
}
main这个脚本是获取VMWare的虚拟机。
脚本中涉及的新Cmdlet是Sort-Object，这个是标准的PowerShell的Cmdlet。通过man查看它的标准用法：
SYNTAX
Sort-Object [[-Property] <Object[]>] [-Stable] [-Descending] [-Unique] [-InputObject <psobject>] [-Culture <string>]
[-CaseSensitive] [<CommonParameters>]
Sort-Object [[-Property] <Object[]>] -Top <int> [-Descending] [-Unique] [-InputObject <psobject>] [-Culture <string>
] [-CaseSensitive] [<CommonParameters>]
Sort-Object [[-Property] <Object[]>] -Bottom <int> [-Descending] [-Unique] [-InputObject <psobject>] [-Culture <stri
ng>] [-CaseSensitive] [<CommonParameters>]
PARAMETERS
-Bottom <int>
Required? true
Position? Named
Accept pipeline input? false
Parameter set name Bottom
Aliases None
Dynamic? false
-CaseSensitive
Required? false
Position? Named
Accept pipeline input? false
Parameter set name (All)
Aliases None
Dynamic? false
-Culture <string>
Required? false
Position? Named
Accept pipeline input? false
Parameter set name (All)
Aliases None
Dynamic? false
-Descending
Required? false
Position? Named
Accept pipeline input? false
Parameter set name (All)
Aliases None
Dynamic? false
-InputObject <psobject>
Required? false
Position? Named
Accept pipeline input? true (ByValue)
Parameter set name (All)
Aliases None
Dynamic? false
-Property <Object[]>
Required? false
Position? 0
Accept pipeline input? false
Parameter set name (All)
Aliases None
Dynamic? false
-Stable
Required? false
Position? Named
Accept pipeline input? false
Parameter set name Default
Aliases None
Dynamic? false
-Top <int>
Required? true
Position? Named
Accept pipeline input? false
Parameter set name Top
Aliases None
Dynamic? false
-Unique
Required? false
Position? Named
Accept pipeline input? false
Parameter set name (All)
Aliases None
Dynamic? false
<CommonParameters>
This cmdlet supports the common parameters: Verbose, Debug,
ErrorAction, ErrorVariable, WarningAction, WarningVariable,
OutBuffer, PipelineVariable, and OutVariable. For more information, see
about_CommonParameters (https://go.microsoft.com/fwlink/?LinkID=113216).
INPUTS
System.Management.Automation.PSObject
OUTPUTS
System.Object
ALIASES
sort我们经常使用的是-Property参数，通过管道传递对象的某个属性值进行的排序。它有一个别名是sort，当我们在管道后使用sort其实就是在使用Sort-Object
