91 lines
3.4 KiB
PowerShell
91 lines
3.4 KiB
PowerShell
function Restart-AlkamiAppPool {
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<#
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.SYNOPSIS
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Restarts an application pool and opens the user's default browser to warm it up
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#>
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[CmdletBinding()]
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Param()
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DynamicParam {
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# Define the Paramater Attributes
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$ParameterName = "AppPoolName"
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$RuntimeParameterDictionary = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
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$ParameterAttribute = New-Object System.Management.Automation.ParameterAttribute
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$AttributeCollection = New-Object System.Collections.ObjectModel.Collection[System.Attribute]
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$ParameterAttribute.Mandatory = $true
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$ParameterAttribute.Position = 0
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$AttributeCollection.Add($ParameterAttribute)
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# Generate and add the ValidateSet
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$arrSet = $appTierApplications | ForEach-Object {$_.WebAppName}
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$ValidateSetAttribute = New-Object System.Management.Automation.ValidateSetAttribute($arrSet)
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$AttributeCollection.Add($ValidateSetAttribute)
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# Create the dynamic parameter
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$RuntimeParameter = New-Object System.Management.Automation.RuntimeDefinedParameter($ParameterName, [string], $AttributeCollection)
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$RuntimeParameterDictionary.Add($ParameterName, $RuntimeParameter)
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return $RuntimeParameterDictionary
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}
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begin {
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# Bind the parameter to a variable
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$AppPoolName = $PsBoundParameters[$ParameterName]
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}
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process {
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try
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{
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$logLead = (Get-LogLeadName);
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$mgr = New-Object Microsoft.Web.Administration.ServerManager
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$appPool = $mgr.ApplicationPools[$appPoolName]
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$processId = $appPool.WorkerProcesses.ProcessId
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Write-Output ("$logLead : Recycling application pool {0}" -f $AppPoolName)
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$appPool.Recycle() | Out-Null
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$serviceEndpoint = ($appTierApplications | Where-Object {$_.WebAppName -eq $AppPoolName} | Select-Object -First 1).Endpoint
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$site = "http://localhost/$AppPoolName/$serviceEndpoint"
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$browserId = Open-UrlInDefaultBrowser $site
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Start-Sleep -Seconds 15
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try
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{
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if ($null -ne (Get-Process -Id $processId -ErrorAction SilentlyContinue))
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{
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Write-Verbose ("$logLead : Stopping old application pool process ID {0}" -f $processId)
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Stop-Process -Id $processId -ErrorAction SilentlyContinue -Force
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}
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}
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catch
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{
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Write-Warning ("$logLead : An unexpected exception occurred while stopping the old application pool process, which is probably due to the process previously exiting")
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}
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try
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{
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if ($null -ne (Get-Process -Id $browserId -ErrorAction SilentlyContinue))
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{
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Write-Verbose ("$logLead : Stopping browser process ID {0}" -f $browserId)
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Stop-Process -Id $browserId
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}
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}
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catch
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{
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## If this doesn't work the user can close their own browser
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Write-Warning "Unable to stop the browser process ID. Manual intervention of browser closing will have to occur."
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}
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Write-Output ("$logLead : Completed restart of application pool {0}" -f $AppPoolName)
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}
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finally
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{
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if ($null -ne $mgr)
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{
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$mgr = $null
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}
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}
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}
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}
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