iis_restart_pool.ps1

File: iis/iis_scripts/iis_restart_pool.ps1

<#
.SYNOPSIS
    IIS Application Pool Manager - List and restart pools

.EXAMPLE
    .\script.ps1 -Action list
    .\script.ps1 -Action restart_all
    .\script.ps1 -Action restart_specific -PoolNames "Pool1","Pool2"
#>

param(
    [Parameter(Mandatory=$true)]
    [ValidateSet("list", "restart_all", "restart_specific")]
    [string]$Action,

    [Parameter(Mandatory=$false)]
    [string[]]$PoolNames
)

Import-Module WebAdministration -ErrorAction Stop

Write-Host "`n=== IIS Application Pool Manager ===" -ForegroundColor Cyan

if ($Action -eq "list") {
    Write-Host "MODE: List all application pools" -ForegroundColor Yellow

    $Pools = Get-ChildItem IIS:\AppPools

    Write-Host "`nFound $($Pools.Count) application pool(s):`n" -ForegroundColor Gray

    foreach ($Pool in $Pools) {
        Write-Host "Name: $($Pool.Name)" -ForegroundColor Cyan
        Write-Host "  State: $($Pool.State)" -ForegroundColor Gray
        Write-Host "  .NET Version: $($Pool.managedRuntimeVersion)" -ForegroundColor Gray
        Write-Host "  Pipeline Mode: $($Pool.managedPipelineMode)" -ForegroundColor Gray
        Write-Host ""
    }

} elseif ($Action -eq "restart_all") {
    Write-Host "MODE: Restart ALL application pools" -ForegroundColor Yellow

    $Pools = Get-ChildItem IIS:\AppPools

    Write-Host "`nRestarting $($Pools.Count) application pool(s)..." -ForegroundColor Gray

    foreach ($Pool in $Pools) {
        $PoolName = $Pool.Name
        $State = $Pool.State

        Write-Host "`nPool: $PoolName (Current state: $State)" -ForegroundColor Cyan

        try {
            Restart-WebAppPool -Name $PoolName
            Write-Host "  Restarted successfully" -ForegroundColor Green
        } catch {
            Write-Host "  ERROR: $($_.Exception.Message)" -ForegroundColor Red
        }
    }

} elseif ($Action -eq "restart_specific") {
    if (-not $PoolNames) {
        Write-Host "ERROR: -PoolNames required for restart_specific" -ForegroundColor Red
        exit
    }

    Write-Host "MODE: Restart SPECIFIC application pools" -ForegroundColor Yellow
    Write-Host "Pools to restart: $($PoolNames -join ', ')" -ForegroundColor Gray

    foreach ($PoolName in $PoolNames) {
        Write-Host "`nPool: $PoolName" -ForegroundColor Cyan

        $Pool = Get-ChildItem IIS:\AppPools | Where-Object { $_.Name -eq $PoolName }

        if ($Pool) {
            $State = $Pool.State
            Write-Host "  Current state: $State" -ForegroundColor Gray

            try {
                Restart-WebAppPool -Name $PoolName
                Write-Host "  Restarted successfully" -ForegroundColor Green
            } catch {
                Write-Host "  ERROR: $($_.Exception.Message)" -ForegroundColor Red
            }
        } else {
            Write-Host "  ERROR: Pool not found" -ForegroundColor Red
        }
    }
}

Write-Host "`n=== COMPLETE ===" -ForegroundColor Cyan