quick-restart.ps1

$workingDirectory = $args[0]
$machine = $args[1]
$environment = $args[2]
$configuration = $args[3]

Set-Location $workingDirectory

# read the version file, which indicates which version we're going to deploy
$versionFile = resolve-path ../Version
$version = Get-Content $versionFile

Write-Host "Deploying $version"

# copy the files up into the share

$applicationName = $configuration['applicationName']
$copyLocation = "\\$machine\$applicationName\$environment\ComponentName\$version"
robocopy .\..\targets\upload-location $copyLocation /MIR /Z /MT:88

Write-Host "Copying $applicationName/$environment/ComponentName/$version to $machine"

$remoteExecutableLocation = "c:\$applicationName\$environment\ComponentName\$version"
$serviceInstallerName = $configuration['serviceInstallerExecutable']

function InstallService ($p,$s,$e,$v) {
    $stop = "$p\$s stop --environment=$e"
    $uninstall = "$p\$s uninstall --environment=$e"
    $install = "$p\$s install --environment=$e"
    $start = "$p\$s start --environment=$e"

  $serviceName = "YourApp.Service.Name$" + $e

	$service = Get-WmiObject -Class Win32_Service -Filter "Name='$serviceName'"

	if ($service) {
		stop-service $serviceName

		$servicePath = "HKLM:\System\CurrentControlSet\services\YourApp.Service.Name`$$e\"
		$description = "YourApp.Service.Name $e / $v"
		$path = "`"$p\$s`" -instance:$e -displayname `"YourApp.Service.Name (Instance: $e)`" -servicename:YourApp.Service.Name"

		Set-ItemProperty -path $servicePath -name Description -value "$description"
		Set-ItemProperty -path $servicePath -name ImagePath -value "$path"

		start-service $serviceName
	}
	else {
		invoke-expression $install
		invoke-expression $start
	}
}

if($machine -eq 'localhost') {
	InstallService $remoteExecutableLocation $serviceInstallerName $environment $version
} else {
	invoke-command `
		-ScriptBlock ${function:InstallService} `
		-computername $machine `
		-ArgumentList $remoteExecutableLocation, $serviceInstallerName, $environment, $version
}

#clean up any old deployed versions

$numVersions = (ls \\$machine\$applicationName\$environment\ComponentName).length
$maxVersions = $configuration['numPreviousCopiesToKeep']

if($numVersions -gt $maxVersions){
	$numVersionsToRemove = $numVersions - $maxVersions
	
	Write-Host "Cleaning up deployment directory, there are $numVersions versions available. Removing $numVersionsToRemove versions."

	gci \\$machine\$applicationName\$environment\ComponentName | where {$_.Name -ne $version } | sort { $_.Name -as [Version] } | select -first $numVersionsToRemove | ri -r
}