435 lines
21 KiB
PowerShell
435 lines
21 KiB
PowerShell
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Function Install-AlkamiWebApplication {
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<#
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.SYNOPSIS
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Install a Web Application to the appropriate place
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.DESCRIPTION
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Install a Web Application to the appropriate place.
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Will ensure appropriate app pool exists
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.PARAMETER WebAppName
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[string] The name of the web application.
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.PARAMETER SourcePath
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[string] The folder that contains the files. Typically a chocolatey path.
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.PARAMETER IsClient
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[switch] Is this package installed to client?
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.PARAMETER IsAdmin
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[switch] Is this package installed to admin?
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.PARAMETER IsLegacy
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[switch] Is this package installed to the legacy site? (typically Default Web Site)
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.PARAMETER NoManagedCode
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[switch] Is this .net core, or Managed code?
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.PARAMETER AppPoolName
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[switch] App pool name. Required for .net core apps. That is, if -NoManagedCode is included.
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.INPUTS
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WebAppName and SourcePath are required.
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Requires one of IsClient or IsAdmin or IsLegacy
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.OUTPUTS
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Various diagnostic information about the install process
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.EXAMPLE
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Install-AlkamiWebApplication -WebAppName BankService -SourcePath C:\Orb\BankService -IsLegacy
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Various diagnostic information about the install process.
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#>
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## We could define a named set here as the default, but I would rather not. Let it fail if we don't pass in the param flag
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[CmdletBinding(DefaultParameterSetName='IsClient')]
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[OutputType([System.Collections.ArrayList])]
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[Diagnostics.CodeAnalysis.SuppressMessageAttribute("IsClient", '', Justification="This is a Switch that goes with a parameter set. Function usage is confusing without this switch.", Scope = "Function")]
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Param(
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[Parameter(ParameterSetName='IsAdmin',Mandatory=$true, Position=0)]
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[Parameter(ParameterSetName='IsClient',Mandatory=$true, Position=0)]
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[Parameter(ParameterSetName='IsLegacy',Mandatory=$true, Position=0)]
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$true, Position=0)]
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[string]$WebAppName,
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[Parameter(ParameterSetName='IsAdmin',Mandatory=$true, Position=1)]
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[Parameter(ParameterSetName='IsClient',Mandatory=$true, Position=1)]
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[Parameter(ParameterSetName='IsLegacy',Mandatory=$true, Position=1)]
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$true, Position=1)]
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[string]$SourcePath,
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[Parameter(ParameterSetName='IsClient',Mandatory=$true)]
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$false)]
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[switch]$IsClient,
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[Parameter(ParameterSetName='IsAdmin',Mandatory=$true)]
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$false)]
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[switch]$IsAdmin,
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[Parameter(ParameterSetName='IsLegacy',Mandatory=$true)]
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$false)]
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[switch]$IsLegacy,
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$true)]
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[switch]$NoManagedCode,
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[Parameter(ParameterSetName='IsDotNetCore',Mandatory=$true)]
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[string]$AppPoolName
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)
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process {
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$logLead = (Get-LogLeadName)
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#region Invoke-CommandWithRetry subdefinitions
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$icwrSeconds = 3 # 3 seconds between retries
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$icwrJitterMin = 0 # 0 milliseconds, so we wait a minimum of $icwrSeconds before retrying
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$icwrJitterMax = 5000 # 5000 milliseconds, so 5 seconds
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$icwrRetryCount = 5 # 5 retries, between 3s and 8s each, for as many as 40s to complete.
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#build an argument splat to save copy-paste readability
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$icwrSplat = @{
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Seconds = $icwrSeconds
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JitterMin = $icwrJitterMin
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JitterMax = $icwrJitterMax
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MaxRetries = $icwrRetryCount
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}
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$setEnabledProtocolsScriptBlock= {
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param ($sb_WebAppName, $sb_sitePath)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Set-ItemProperty(enabledProtocols)"
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(Set-ItemProperty "IIS:\Sites\$sb_sitePath\$sb_WebAppName" -Name enabledProtocols -Value "http,net.tcp") | Out-Null
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}
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$setApplicationPoolScriptBlock = {
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param ($sb_WebAppName, $sb_sitePath, $sb_webAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Set-ItemProperty(applicationPool)"
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(Set-ItemProperty -Path "IIS:\Sites\$sb_sitePath\$sb_WebAppName" -Name applicationPool -Value $sb_webAppPoolName) | Out-Null
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}
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$setPreloadEnabledScriptBlock = {
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param ($sb_WebAppName, $sb_sitePath)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Set-ItemProperty(preloadEnabled)"
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(Set-ItemProperty "IIS:\Sites\$sb_sitePath\$sb_WebAppName" -Name preloadEnabled -Value "true") | Out-Null
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}
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# Used to modify .net CLR version to support .net core.
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$setNoManagedCodeScriptBlock = {
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param ($sb_webAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Set-ItemProperty(managedRuntimeVersion)"
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(Set-ItemProperty "IIS:\AppPools\$sb_webAppPoolName" -Name managedRuntimeVersion -Value "") | Out-Null
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}
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$setAlkamiWebAppPoolConfigurationScriptBlock = {
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param ($sb_webAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Set-AlkamiWebAppPoolConfiguration"
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(Set-AlkamiWebAppPoolConfiguration $sb_webAppPoolName) | Out-Null
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}
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$newAlkamiWebAppPoolScriptBlock = {
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param ($sb_webAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : New-AlkamiWebAppPool"
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return New-AlkamiWebAppPool -Name $sb_webAppPoolName
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}
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$newWebApplicationScriptBlock = {
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param ($sb_WebAppName, $sb_sitePath, $sb_appPhysicalPath, $sb_webAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : New-WebApplication"
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# Use -Force to ensure it gets created correctly
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return New-WebApplication -Name $sb_WebAppName -Site $sb_sitePath -PhysicalPath $sb_appPhysicalPath -ApplicationPool $sb_webAppPoolName -Force
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}
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# value is not consumed currently, so not returned here
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$newWebVirtualDirectoryScriptBlock = {
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param ($sb_sitePath, $sb_folder, $sb_emptyPath)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : New-WebVirtualDirectory"
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New-WebVirtualDirectory -Site $sb_sitePath -Name $sb_folder -PhysicalPath $sb_emptyPath
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}
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# not doing out-null so we can see it print in the logs that it got deleted
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$removeWebApplicationScriptBlock = {
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param ($sb_WebAppName, $sb_sitePath)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Remove-WebApplication"
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Remove-WebApplication $sb_WebAppName -Site $sb_sitePath
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}
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# not doing out-null so we can see it print in the logs that it got deleted
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$RemoveWebAppPoolScriptBlock = {
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param ($sb_oldAppPoolName)
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Write-Host "[Install-AlkamiWebApplication] : Invoke-CommandWithRetry : Remove-WebAppPool"
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Remove-WebAppPool -Name $sb_oldAppPoolName
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}
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#endregion Invoke-CommandWithRetry subdefinitions
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if (!(Test-Path $SourcePath)) {
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Write-Warning "$logLead : The path $SourcePath was not found, application $WebAppName will not be created"
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return
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}
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## validate path points to the choco folder unless it is a legacy application
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if ($IsLegacy -and !($sourcePath.ToLower().Contains((Get-OrbPath).ToLower()))) {
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Write-Warning "$logLead : $WebAppName is marked IsLegacy but $SourcePath doesn't seem to be in the expected ORB folder. This will be an Alkami.IOC issue."
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} elseif (!$IsLegacy) {
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$isPackagePathValidated = (Test-PathIsInApprovedPackageLocation $sourcePath)
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if (!($isPackagePathValidated)) {
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Write-Warning "$logLead : The source location at [$sourcePath] doesn't match the expected criteria of non-IsLegacy installs"
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Write-Warning "$logLead : The expectation is that non-IsLegacy installs will be constrained to the Chocolatey lib folder install path"
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#throw "can not finish install - bad path provided"
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}
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}
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$siteList = @()
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$webAppPoolName = $WebAppName.Replace('\','_').Replace('/','_')
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$parentAppName = $webAppPoolName
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$newRelicAppName = $webAppPoolName
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$forceAppPoolsOnClientToUseWebClient = $false
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if ($IsLegacy) {
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## Use of this function ensures that the Default Web Site exists
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$defaultWebsite = (Get-DefaultWebsite)
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if ($null -eq $defaultWebsite) {
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$defaultWebsite = Invoke-CommandWithRetry -ScriptBlock { return (New-DefaultWebsite) } @icwrSplat
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}
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## Ensure we add this to the list of sites we are going to be installing to
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$siteList += $defaultWebsite
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$parentAppName = $defaultWebsite.Name
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} else {
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## Test to make sure this is the valid site name. We can do this by looking for the site, if it doesn't exist, look for the path
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## C:\Orb\$parentAppName and then find any sites for that.
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## By process of elimination, if you weren't in parameter set IsAdmin or IsLegacy, you must be in IsClient.
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$parentAppName = 'WebClient'
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if ($IsAdmin) {
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$parentAppName = 'WebClientAdmin'
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}
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# SRE-16828 - If you want to force apps to be under WebClient or WebClientAdmin this is the line to change
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$forceAppPoolsOnClientToUseWebClient = $true
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$targetFolderPath = (Join-Path (Get-OrbPath) $parentAppName)
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$siteList = (Get-IISSitesByPath $targetFolderPath)
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}
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if (Test-IsCollectionNullOrEmpty $siteList) {
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Write-Warning "$logLead : Can't find any sites to bind to for WebAppName: [$WebAppName] and ParentAppName: [$parentAppName]"
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throw "$logLead : Can't find any sites to bind to for WebAppName: [$WebAppName] and ParentAppName: [$parentAppName]"
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} else {
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Write-Host "$logLead : Found these sites [`"$(($siteList).Name -join '`",`"')`"]"
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}
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# SRE-16828 - If you want to force apps to be under WebClient or WebClientAdmin this is the line to change
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if ($forceAppPoolsOnClientToUseWebClient) {
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$webAppPoolName = $ParentAppName
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}
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# NoManagedCode (that is, .net core apps) can't run on the same app pool as any other app, as opposed to ManagedCode that can
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if($NoManagedCode){
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$webAppPoolName = $AppPoolName
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}
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## Get the web app pool to make sure that's configured correctly before we start looping sites
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$appPoolPath = (Join-Path "IIS:\AppPools" $webAppPoolName)
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$appPool = (Get-Item $appPoolPath -ErrorAction SilentlyContinue)
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## If we couldn't find the application pool for this app, need to create one to go with this application
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## Else we need to ensure the app pool is properly configured
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if ($null -eq $appPool) {
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$icwrArguments = @{
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ScriptBlock = $newAlkamiWebAppPoolScriptBlock
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Arguments = @($webAppPoolName)
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}
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$appPool = Invoke-CommandWithRetry @icwrArguments @icwrSplat
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} else {
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if (!$forceAppPoolsOnClientToUseWebClient) {
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$icwrArguments = @{
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ScriptBlock = $setAlkamiWebAppPoolConfigurationScriptBlock
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Arguments = @($webAppPoolName)
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}
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Invoke-CommandWithRetry @icwrArguments @icwrSplat
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}
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}
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# Set managedRuntimeVersion to noManagedCode for .net core.
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# This *ALWAYS* has to go after Set-WebPoolConfig
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if($NoManagedCode){
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Write-Host "$logLead : Setting Application Attribute .NET CLR Version to '' (noManagedCode) for AppPools\$WebAppPoolName"
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$icwrArguments = @{
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ScriptBlock = $setNoManagedCodeScriptBlock
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Arguments = @($WebAppPoolName)
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}
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Invoke-CommandWithRetry @icwrArguments @icwrSplat
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}
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$oldAppPoolNames = @()
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foreach ($site in $siteList) {
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$sitePath = $site.Name
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$virtualFolders = [System.Collections.ArrayList]($WebAppName.Split(@('/','\')))
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## Foreach virtual path in our segmented list, we need to ensure we have a folder on disk to point to
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## By having an empty folder when one doesn't exist, there can't be much data leakage, as there's no child folders
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## Still a risk of ..\ links in whatever might get misconfigured, so we just need to be diligent
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if ($virtualFolders.Count -gt 1) {
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$depthCount = $virtualFolders.Count - 1
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$WebAppName = $virtualFolders[-1]
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$emptyPath = (Join-Path (Get-OrbPath) "Empty")
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if (!(Test-Path $emptyPath)) {
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(New-Item -Path $emptyPath -ItemType Directory -Force) | Out-Null
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$emptyPathReadmePath = (Join-Path $emptyPath "readme.txt")
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if(!(Test-Path $emptyPathReadmePath)) {
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Set-Content -Path $emptyPathReadmePath -Value @"
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This folder should remain empty except this file.
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If this folder has directory browsing turned on, it should be turned off.
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Please report any instance of this directory browsing turned on to security@alkamitech.com along with the URL where you found it.
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Thank you for your assistance.
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"@
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}
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}
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for ($i = 0; $i -lt $depthCount; $i++) {
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$folder = $virtualFolders[$i]
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## Recursively create subfolders under the site.
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## See https://stackoverflow.com/a/21187565/109749
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if ($null -eq (Get-WebVirtualDirectory -Site $sitePath -Name $folder)) {
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$icwrArguments = @{
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ScriptBlock = $newWebVirtualDirectoryScriptBlock
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Arguments = @($sitePath, $folder, $emptyPath)
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}
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Invoke-CommandWithRetry @icwrArguments @icwrSplat
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}
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## Keep appending the folder we just created to the existing $sitePath
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## This gets injected below in the middle of the string
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$sitePath = $sitePath + "\" + $folder
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}
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}
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$appPhysicalPath = $SourcePath
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$appPhysicalPathContent = (Join-Path $appPhysicalPath Content)
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## Try to find the folder at c:\programdata\choco\lib\myapp\Content\App which should have views, images, etc in it.
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if (Test-Path $appPhysicalPathContent) {
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$appPhysicalPathContentTest = (Join-Path $appPhysicalPathContent 'App')
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if (Test-Path $appPhysicalPathContentTest) {
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|
$appPhysicalPath = $appPhysicalPathContentTest
|
|||
|
|
} else {
|
|||
|
|
## Try to find the folder at c:\programdata\choco\lib\myapp\Content\* which has files in it, guessing that's what we want instead, even though it breaks the pattern
|
|||
|
|
if (Test-Path $appPhysicalPathContent) {
|
|||
|
|
$appPhysicalPathContentTest = (Get-ChildItem $appPhysicalPathContent) | Where-Object { $_.PSIsContainer } | Select-Object -First 1
|
|||
|
|
if (($null -ne $appPhysicalPathContentTest) -and ($null -ne (Get-ChildItem $appPhysicalPathContentTest))) {
|
|||
|
|
$appPhysicalPath = $appPhysicalPathContentTest
|
|||
|
|
} elseif ($null -ne (Get-ChildItem $appPhysicalPathContent)) {
|
|||
|
|
## Sigh, just use the c:\programdata\choco\lib\myapp\Content cos there's stuff in there, who knows anymore, life is bleak
|
|||
|
|
$appPhysicalPath = $appPhysicalPathContent
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$existingApp = Get-WebApplication $WebAppName -Site $sitePath
|
|||
|
|
|
|||
|
|
if ($null -ne $existingApp) {
|
|||
|
|
## Ensure the path matches the expected location in case it has moved, see SRE-12829
|
|||
|
|
if ($existingApp.PhysicalPath -ne $appPhysicalPath) {
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $removeWebApplicationScriptBlock
|
|||
|
|
Arguments = @($WebAppName, $sitePath)
|
|||
|
|
}
|
|||
|
|
Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
$existingApp = $null ## force it to null so the next value kicks in
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$existingApp = Get-WebApplication $WebAppName -Site $sitePath
|
|||
|
|
|
|||
|
|
if ($null -eq $existingApp) {
|
|||
|
|
Write-Host "Creating [$WebAppName] for [$sitePath]"
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $newWebApplicationScriptBlock
|
|||
|
|
Arguments = @($WebAppName, $sitePath, $appPhysicalPath, $webAppPoolName)
|
|||
|
|
}
|
|||
|
|
$existingApp = Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
} else {
|
|||
|
|
Write-Host "Found existing Web Application for [$WebAppName] on [$sitePath]"
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
## If the name of the application pool matches the one that's on the existing webapplication then groovy
|
|||
|
|
## Otherwise we have to re-point the web-app to use the app pool with the same name.
|
|||
|
|
## We already made sure we have such an app pool that matches the name, so we just need to do the attaching.
|
|||
|
|
if ( $existingApp.applicationPool -ne $webAppPoolName) {
|
|||
|
|
## We have a valid app pool that uses the same name as the web app, and we are here because they didn't match.
|
|||
|
|
|
|||
|
|
## Random bug catch, eep
|
|||
|
|
if (![string]::IsNullOrWhiteSpace($existingApp.applicationPool)) {
|
|||
|
|
## Store the old name so we can delete any unused app pools later
|
|||
|
|
Write-Verbose "Adding existing application pool that doesn't match the expected name to the delete-list $($existingApp.applicationPool)"
|
|||
|
|
$oldAppPoolNames += $existingApp.applicationPool
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
## Let's assign the new app pool to the web application
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $setApplicationPoolScriptBlock
|
|||
|
|
Arguments = @($WebAppName, $sitePath, $webAppPoolName)
|
|||
|
|
}
|
|||
|
|
Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($IsLegacy) {
|
|||
|
|
Write-Host "$logLead : Setting Application Attribute EnabledProtocols [http,net.tcp] for $sitePath\$WebAppName"
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $setEnabledProtocolsScriptBlock
|
|||
|
|
Arguments = @($WebAppName, $sitePath)
|
|||
|
|
}
|
|||
|
|
Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Write-Host "$logLead : Setting Application Attribute preloadEnabled to True for $sitePath\$WebAppName"
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $setPreloadEnabledScriptBlock
|
|||
|
|
Arguments = @($WebAppName, $sitePath)
|
|||
|
|
}
|
|||
|
|
Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$environmentUserPrefix = (Get-AppSetting "Environment.Name" -SuppressWarnings)
|
|||
|
|
|
|||
|
|
if ($null -ne $environmentUserPrefix) {
|
|||
|
|
## Find the config file path. This is a web app, so we default to web.config as the file name and in the same root folder as the content
|
|||
|
|
## If we had a non-web-app we might have to look for another file but this is Install-AlkamiWebApplication.
|
|||
|
|
$ConfigFilePath = (Join-Path $appPhysicalPath "web.config")
|
|||
|
|
|
|||
|
|
if (!(Test-Path $ConfigFilePath)) {
|
|||
|
|
Write-Warning "Can't find a web.config under the folder [$ConfigFilePath]"
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
## ensure NR name set in web.config with Environment.Name + AppName from config
|
|||
|
|
## This function will get the application label for us so we don't have to manually fetch it
|
|||
|
|
Set-NewRelicAppNameConfigFileValue $environmentUserPrefix $ConfigFilePath $newRelicAppName
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach($oldAppPoolName in $oldAppPoolNames) {
|
|||
|
|
## The same "wrong" app pool could have been used on other apps so only remove them if there are no referenced apps for this pool
|
|||
|
|
$appPoolPath = (Join-Path "IIS:\AppPools" $oldAppPoolName)
|
|||
|
|
$existingApp = (Get-Item $appPoolPath -ErrorAction SilentlyContinue)
|
|||
|
|
|
|||
|
|
if ($null -ne $existingApp) {
|
|||
|
|
$existingAppApplicationCount = (Get-IISAppPoolChildApplicationsCount $oldAppPoolName)
|
|||
|
|
|
|||
|
|
## The count of that outdated application pool is 0, indicating that apppool isn't in use. Delete it.
|
|||
|
|
if ($existingAppApplicationCount -eq 0) {
|
|||
|
|
Write-Verbose "$logLead : Removing identified and unused Web AppPool [$oldAppPoolName]"
|
|||
|
|
$icwrArguments = @{
|
|||
|
|
ScriptBlock = $RemoveWebAppPoolScriptBlock
|
|||
|
|
Arguments = @($oldAppPoolName)
|
|||
|
|
}
|
|||
|
|
Invoke-CommandWithRetry @icwrArguments @icwrSplat
|
|||
|
|
} else {
|
|||
|
|
Write-Verbose "$logLead : Web AppPool [$oldAppPoolName] still has things attached to it. Not deleting."
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|