PowerShell Runspace Example GitHubUsers

PowerShell_Runspace_Example_GitHubUsers.ps1

# Modified Example From: https://blog.netnerds.net/2016/12/runspaces-simplified/

$users = Invoke-RestMethod -Uri 'https://api.github.com/users'

$pool = [RunspaceFactory]::CreateRunspacePool(1, 5)
$pool.ApartmentState = "MTA"
$pool.Open()
$runspaces = @()

$scriptblock = {
    Param (
    [string]$login,
    [string]$id
    )

    Write-Output "GitHub User $login has ID $id"

    $Seconds = (Get-Random -Minimum 1 -Maximum 10)
    Start-Sleep -Seconds $Seconds
}

$users | ForEach-Object {

    $runspace = [PowerShell]::Create()
    $null = $runspace.AddScript($scriptblock)
    $null = $runspace.AddArgument($_.login)
    $null = $runspace.AddArgument($_.id)
    $runspace.RunspacePool = $pool
    $runspaces += [PSCustomObject]@{ Pipe = $runspace; Status = $runspace.BeginInvoke() }
}

while ($runspaces.Status -ne $null){

    $completed = $runspaces | Where-Object { $_.Status.IsCompleted -eq $true }

    foreach ($runspace in $completed){

        $runspace.Pipe.EndInvoke($runspace.Status)
        $runspace.Status = $null
    }
}
$pool.Close()
$pool.Dispose()


GitHub User defunkt has ID 2
GitHub User wycats has ID 4
GitHub User mojombo has ID 1
GitHub User ezmobius has ID 5
GitHub User evanphx has ID 7
GitHub User vanpelt has ID 17
GitHub User ivey has ID 6
GitHub User pjhyett has ID 3
GitHub User brynary has ID 19
GitHub User kevinclark has ID 20
GitHub User technoweenie has ID 21
GitHub User wayneeseguin has ID 18
GitHub User topfunky has ID 26
GitHub User macournoyer has ID 22
GitHub User takeo has ID 23
GitHub User anotherjesse has ID 27
GitHub User roland has ID 28
GitHub User fanvsfan has ID 30
GitHub User caged has ID 25
GitHub User lukas has ID 29
GitHub User tomtt has ID 31
GitHub User jamesgolick has ID 37
GitHub User nitay has ID 34
GitHub User railsjitsu has ID 32
GitHub User KirinDave has ID 36
GitHub User mojodna has ID 45
GitHub User kevwil has ID 35
GitHub User atmos has ID 38
GitHub User bmizerany has ID 46
GitHub User errfree has ID 44