[cmdletbinding()]

param(

[Parameter(Mandatory = $false)]

[string]$PackagesPath = ".\packages",

[switch]$ViewLogs

)

function ExtractPackages($packagesPath) {

Write-Output "Beginning package extraction"

Get-ChildItem -Path $packagesPath -Filter "*.wdp.zip" | ForEach-Object { Expand-Archive -Path $_.FullName -DestinationPath C:\temp\TDS -Force }

Move-Item -Path C:\temp\TDS\Content\Website\Bin\*.WebDeployClient.dll -Destination C:\inetpub\wwwroot\bin -Force

Move-Item -Path C:\temp\TDS\Content\Website\temp\* -Destination C:\inetpub\wwwroot\temp -Force

Remove-Item -Path C:\temp\TDS -Recurse -Force

# Ensure TDS has permissions to delete items after install

cmd /C icacls C:\inetpub\wwwroot\temp\WebDeployItems /grant 'IIS AppPool\DefaultAppPool:(OI)(CI)M'

Write-Output "Package extraction complete"

}

function InvokeDeployment($viewLogs) {

Write-Output "Beginning package deployment"

$baseAPIUrl = "http://localhost:80/api/TDS/WebDeploy/"

#Create the request urls

$statusRequest = "$($baseAPIUrl)Status"

$invokeRequest = "$($baseAPIUrl)Invoke"

$removeRequest = "$($baseAPIUrl)Remove"

$logRequest = "$($baseAPIUrl)Messages?flush=true"

#Get the current status

$retryCount = 20

$requestComplete = $false;

while($retryCount -ge 0)

{

try

{

$statusResponse = Invoke-RestMethod -Uri $statusRequest -TimeoutSec 60

$requestComplete = $true

break

}

catch

{

Write-Warning "Retrying connection to $statusRequest"

$retryCount--

}

}

if (!$requestComplete)

{

Write-Error "Could not contact server at $statusRequest"

exit

}

#See if a deployment is taking place

if ($statusResponse.DeploymentStatus -eq "Complete" -or $statusResponse.DeploymentStatus -eq "Idle" -or $statusResponse.DeploymentStatus -eq "Failed") {

#Call the Invoke method to start the deployment. This may not be needed if the server is restarting, but if no Assemblies or configs change

#it will be needed

$invokeResponse = Invoke-RestMethod -Uri $invokeRequest -TimeoutSec 60

if ($invokeResponse -ne "Ok")

{

throw "Request to start deployment failed"

}

Write-Output "Starting Deployment"

}

#Wait a bit to allow a deployment to start

Start-Sleep -Seconds 2

#Get the current status to see which deploy folder is being deployed

$statusResponse = Invoke-RestMethod -Uri $statusRequest -TimeoutSec 60

$currentDeploymentFolder = $statusResponse.CurrentDeploymentFolder

while ($true) {

#Get the current status

$statusResponse = Invoke-RestMethod -Uri $statusRequest -TimeoutSec 60

Write-Verbose "Server Deploy State: $($statusResponse.DeploymentStatus)"

#If the deployment folder has changed, complete the progress

if ($statusResponse.CurrentDeploymentFolder -ne $currentDeploymentFolder)

{

Write-Progress -Completed -Activity "Deploying Web Deploy Package from $currentDeploymentFolder"

}

#Update the progress bar

Write-Progress -PercentComplete $statusResponse.ProgressPercent -Activity "Deploying Web Deploy Package from $($statusResponse.CurrentDeploymentFolder)"

#If the user wants deployment logs, write the logs

if ($viewLogs) {

$logResponse = Invoke-RestMethod -Uri $logRequest -TimeoutSec 60

Write-Output $logResponse

}

#Stop if all deployment folders have been deployed

if ($statusResponse.DeploymentStatus -eq "Complete" -or $statusResponse.DeploymentStatus -eq "Idle") {

break

}

if ($statusResponse.DeploymentStatus -eq "Failed") {

Write-Error "Errors detected during deployment. Please see logs for more details"

exit 1 #set exit code to failure if there is a problem with the deployment

}

Start-Sleep -Seconds 5

}

Write-Output "Removing installer service from webserver"

Invoke-RestMethod -Uri $removeRequest -TimeoutSec 600

Write-Progress -Completed -Activity "Deploying Web Deploy Package from $($statusResponse.CurrentDeploymentFolder)"

}

if (-not ([System.IO.Path]::IsPathRooted($PackagesPath))) {

$currentDirectory = Split-Path $MyInvocation.MyCommand.Path

$PackagesPath = (Get-Item -Path ($currentDirectory + "\" + $PackagesPath)).FullName

}

ExtractPackages $PackagesPath

Start-Sleep -s 5

InvokeDeployment $ViewLogs

Write-Output "Package deployment complete"