ps/Modules/Alkami.PowerShell.IIS/Public/Ping-AlkamiWebSites.ps1

function Ping-AlkamiWebSites {
    <#
.SYNOPSIS
    Warms up web tier web services
#>
    [CmdletBinding()]
    [OutputType([System.Object])]
    Param(
        [Parameter(Mandatory = $false)]
        [Alias("SkipIPSTS")]
        [switch]$doSkipIPSTS,

        # This can be used to consume the output as an object in a downstream function
        # If not included the output is formatted for review by a human
        [Parameter(Mandatory = $false)]
        [Alias("NoOutput")]
        [switch]$skipOutput,

        [Parameter(Mandatory = $false)]
        [Alias("SkipServerCheck")]
        [switch]$skipCheck
    )

    $logLead = (Get-LogLeadName)

    if ((Test-IsAppServer) -and !($skipCheck.IsPresent)) {
        # Exit Early
        Write-Host ("$logLead : This is not a valid function for an app server")
        return
    }

    $siteArray = @()
    $testPattern = "text/javascript"
    $maxJobs = 3
    $jobs = @()
    $mgr = New-Object Microsoft.Web.Administration.ServerManager

    $functionStopWatch = [System.Diagnostics.Stopwatch]::StartNew()

    if ($doSkipIPSTS) {
        $sites = $mgr.Sites | Where-Object { $_.State -eq "Started" } | Where-Object { $_.Applications["/"].VirtualDirectories["/"].PhysicalPath -notlike "*IPSTS" -and $_.Name -notlike "*Eagle*" }
    } else {
        $sites = $mgr.Sites | Where-Object { $_.State -eq "Started" } | Where-Object { $_.Name -notlike "*Eagle*" }
    }

    $sites = @($sites)
    if (@($sites).Length -eq 0) {
        Write-Warning "No sites were found to install!!"
        Write-Warning "Please make sure the ConfigurationValues.ps1 got updated correctly!!"
        return
    }

    $sites | Where-Object { $_.Name -ne "Default Web Site" } | ForEach-Object {

        $httpBinding = $_.Bindings | Where-Object { $_.Protocol -like "https" } | Select-Object -First 1

        if ($null -eq $httpBinding) {
            Write-Warning ("$logLead : Could not find any https binding for site {0}" -f $_.Name)
        } else {
            $hostName = "localhost"
            if ($httpBinding.Protocol -eq "https") {
                $hostName = $httpBinding.Host
            }

            $urlString = "{0}://{1}" -f $httpBinding.Protocol, $hostName, $_.Name

            # IPSTS has to be tested a different way
            if ($_.Applications["/"].VirtualDirectories["/"].PhysicalPath -like "*IPSTS") {
                # We have to fish for the admin site URL here to construct the IPSTS test URL
                $domainArray = $urlString.Split(".") | Select-Object -Last 2
                $domainString = $domainArray -join "."
                $adminSites = $sites | Where-Object { $_.Applications["/"].VirtualDirectories["/"].PhysicalPath -like "*Admin" }
                $adminMatch = $adminSites | Where-Object { $_.Bindings | Where-Object { $_.Host -like "*$domainString" } } | Select-Object -First 1

                if ($null -eq $adminMatch) {
                    # We couldn't match on admin, so we'll at least warm up the site, but it'll fail
                    $siteArray += @{Name = $_.Name; Url = $urlString; Ipsts = $true; Admin = $false; Client = $false }
                } else {
                    # Craft the IPSTS test URL using the admin match.
                    # The page that will actually be loaded is admin, via IPSTS
                    $adminHttpsBinding = $adminMatch.Bindings | Where-Object { $_.Protocol -like "https" }

                    $adminHostName = "localhost"
                    if ($adminHttpsBinding.Protocol -eq "https") {
                        $adminHostName = $adminHttpsBinding.Host
                    }

                    # Generate a GUID to add as the activationId
                    $guid = [System.GUID]::NewGuid()

                    $adminMatchUrlString = "{0}://{1}" -f $httpBinding.Protocol, $adminHostName
                    $siteArray += @{Name = $_.Name; Url = $urlString + "?wa=wsignin1.0&wtrealm=" + $adminMatchUrlString + "&activationId=" + $guid; Ipsts = $true; Admin = $false; Client = $false }
                }
            } elseif ($_.Applications["/"].VirtualDirectories["/"].PhysicalPath -like "*Admin") {
                $siteArray += @{Name = $_.Name; Url = $urlString; Ipsts = $false; Admin = $true; Client = $false }
            } else {
                # Add Site to Cover CUFX / ORBFX / Mobile Auth
                $siteArray += @{Name = $_.Name; Url = $urlString; Ipsts = $false; Admin = $false; Client = $true }
                $cleanUrl = $urlString.TrimEnd("/")
                $siteArray += @{Name = $_.Name; Url = ($cleanUrl + "/CUFX"); Ipsts = $false; Admin = $false; Client = $true }
                $siteArray += @{Name = $_.Name; Url = ($cleanUrl + "/ORBFX"); Ipsts = $false; Admin = $false; Client = $true }
                $siteArray += @{Name = $_.Name; Url = ($cleanUrl + "/Mobile/Authentication"); Ipsts = $false; Admin = $false; Client = $true }
            }
        }
    }

    $scriptBlock = {
        param ($site, $testPattern)

        try {
            Add-Type @"
                    using System.Net;
                    using System.Security.Cryptography.X509Certificates;
                    public class TrustAllCertsPolicy : ICertificatePolicy {
                        public bool CheckValidationResult(
                            ServicePoint srvPoint, X509Certificate certificate,
                            WebRequest request, int certificateProblem) {
                            return true;
                        }
                    }
"@

            [System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy

            $stopWatch = [System.Diagnostics.Stopwatch]::StartNew()
            $response = Invoke-WebRequest -Uri $site.Url -UseBasicParsing
            $stopWatch.Stop()

            if ($response.StatusCode -ne 200 -or $response.Content -notmatch $testPattern) {
                return New-Object -TypeName PSObject -Property @{
                    Name       = $site.Name
                    URL        = $site.Url.ToLowerInvariant()
                    Success    = $false
                    StatusCode = $response.StatusCode
                    Elapsed    = $stopWatch.Elapsed.ToString()
                }
            } else {
                return New-Object -TypeName PSObject -Property @{
                    Name       = $site.Name
                    URL        = $site.Url.ToLowerInvariant()
                    Success    = $true
                    StatusCode = "200"
                    Elapsed    = $stopWatch.Elapsed.ToString()
                }
            }
        } catch {
            return New-Object -TypeName PSObject -Property @{
                Name       = $site.Name
                URL        = $site.Url.ToLowerInvariant()
                Success    = $false
                StatusCode = "Error"
                Elapsed    = $stopWatch.Elapsed.ToString()
            }
        }
    }

    $siteResults = @()
    if (!(Test-IsCollectionNullOrEmpty $siteArray)) {
        Write-Host ("$logLead : Starting Site Warmup")
        foreach ($site in $siteArray) {
            $jobs += Start-Job -ScriptBlock $scriptBlock -ArgumentList $site, $testPattern
            $running = @($jobs | Where-Object { $_.State -eq 'Running' })

            while ($running.Count -ge $maxJobs -and $running.Count -ne 0) {
                (Wait-Job -Job $jobs -Any) | Out-Null
                $running = @($jobs | Where-Object { $_.State -eq 'Running' })
            }
        }

        Wait-Job -Job $jobs > $null

        $failed = @($jobs | Where-Object { $_.State -eq 'Failed' })
        if ($failed.Count -gt 0) {
            $failed | ForEach-Object { $_.ChildJobs[0].JobStateInfo.Reason.Message }
        }

        $jobs | ForEach-Object {
            $siteResults += $_ | Receive-Job | Select-Object URL, Success, StatusCode, Elapsed
        }

        $functionStopWatch.Stop()

        if ($skipOutput) {
            return $siteResults
        } else {
            if ($null -ne ($siteResults | Where-Object { $_.Success -eq $false })) {
                Write-Warning ("$logLead : One or more URLs failed the test case:`n")
            }

            $results = ($siteResults | Sort-Object -Property Success | Format-Table -Property @{Label = "URL"; Width = 70; e = { $_.URL }; Alignment = "Left" }, @{Label = "Success"; Width = 15; e = { $_.Success }; Alignment = "Right" }, @{Label = "Elapsed"; Width = 25; e = { $_.Elapsed }; Alignment = "Right" } | Out-String)
            Write-Host $results
            Write-Host ("Total Execution Time: {0}" -f $functionStopWatch.Elapsed.ToString())

            return $siteResults
        }
    } else {
        Write-Host "No sites Configured, skipping warmup"
    }
}