Octopus Deploy procedure for installing databases and applications

$wkfs_home = "C:\Program Files\WKFS"
$deploy_home = $wkfs_home + "\Expere\wildfly-*\standalone\deployments"
$undeploy_timeout = 60
$undeploy_sleep = 2

function CheckComplete([string]$folder) {
    $undeploy = Get-ChildItem $folder | Where { $_.Extension -eq ".undeploy" }
    foreach($f in $undeploy) {
        If (-Not (Test-Path (Join-Path $deploy_home ($f -replace ".undeploy",".undeployed" )) )) { return $false }
    }
    return $true
}

function Terminate([string]$name, [string]$path) {
    $processes = Get-Process | Where-Object {$_.Name -eq $name}
    Foreach($p in $processes)
    {
        if ($p) {
            if (![string]::IsNullOrEmpty($p.Path) -and $p.Path.StartsWith($path))
            {
                Write-Host "Stopping Process" $p.Name ":" $p.Id
                Stop-Process -Force -Id $p.Id
            }
        }
    }
}

function Stop-ServiceWithTimeout ([string] $name, [int] $timeoutSeconds) {
    $timespan = New-Object -TypeName System.Timespan -ArgumentList 0,0,$timeoutSeconds
    $svc = Get-Service -Name $name
    if ($svc -eq $null) { return $false }
    if ($svc.Status -eq [ServiceProcess.ServiceControllerStatus]::Stopped) { return $true }
    try {
        $svc.Stop()
    } 
    catch {
        Write-Verbose "Failed to stop service $($svc.Name)"
        return $false
    }
    try {
        $svc.WaitForStatus([ServiceProcess.ServiceControllerStatus]::Stopped, $timespan)
    }
    catch [ServiceProcess.TimeoutException] {
        Write-Verbose "Timeout stopping service $($svc.Name)"
        return $false
    }
    return $true
}

# Check if Expere is installed on this server.  if not, exit early
If (-Not (Test-Path -Path $deploy_home)) {
    Write-Host "Expere was not found."
    Exit
}

# Undeploy all deployed applications
Get-ChildItem $deploy_home | where { $_.extension -eq ".undeploy"} | foreach ($_) { Remove-Item $_.fullname}
Get-ChildItem $deploy_home | Where { $_.Extension -eq ".deployed" } | Rename-Item -NewName { $_.Name -replace ".deployed",".undeploy" }

 

# Wait for undeploy to happen but not longer than allocated time
$start_time = $(Get-Date)
$allowed_time = New-TimeSpan -Seconds $undeploy_timeout
Do {
    $elapsed_time = $(Get-Date) - $start_time
    if ($elapsed_time -gt $allowed_time) { Break }
    Start-Sleep $undeploy_sleep
    $complete = CheckComplete -folder $deploy_home
} While ($complete -eq $false)

If ($count -eq 0) {
    Write-Host "All applications are undeployed."
} else {
    Write-Host "Max time exceeded waiting for applications to undeploy."
}
Get-ChildItem $deploy_home | where { $_.extension -eq ".undeploy"} | foreach ($_) { Remove-Item $_.fullname}

If ((Stop-ServiceWithTimeout -name "WildFly" -timeoutSeconds 60) -eq $true) {
    Write-Host "WildFly service stopped normally."
} else {
    Write-Host "WildFly service failed to stop."
}

# Kill java and wildfly-service
Terminate -name 'java' -path $wkfs_home
Terminate -name 'wildfly-service' -path $wkfs_home