Powershell Invoke-Command中的多线程

Question

Function A{
    ...}
Function B{
    ...}
Function C{
    ...}

$Servers = "Server1","Server2","Server3",... 

ForEach($server in $servers){
  $Session = New-PSSession $server
  Invoke-Command -ScriptBlock ${Function:A} -Session $Session
  Invoke-Command -ScriptBlock ${Function:B} -Session $Session
  Invoke-Command -ScriptBlock ${Function:C} -Session $Session
}

我正在运行一个带有函数的脚本，并在几个服务器的跳点上调用它们。在本例中，Invoke-command按顺序工作，依次调用函数A、B和C到服务器。我如何并行地调用它们？谢谢

Answer 1

在invoke-command中直接使用服务器数组

$servers = 'server1','server2','server3','server4'
$cred = Get-Credential
function a {
echo "Function a $env:COMPUTERNAME"
}
function b {
echo "Function b $env:COMPUTERNAME"
}
function c {
echo "Function c $env:COMPUTERNAME"
}
# Put function definition to import in script block
$allFunctionDefs = "
    function a { ${function:a} }; 
    function b { ${function:b} }; 
    function c { ${function:c} }
"
# Run function
Invoke-Command -ComputerName $servers -ScriptBlock {
    Param( $allFunctionDefs )
    . ([ScriptBlock]::Create($allFunctionDefs))  
    a
    b
    c
} -Credential $cred -ArgumentList $allFunctionDefs