Powershell script for TeamCity that creates and deploys multiple releases on Octopus Deploy

DeployMultipleToOctopus.ps1

function Build-Arguments($project) {        
    $args = @()
    $args += "create-release"
    $args += "--server=%octopus.url%"
    $args += "--apikey=%octopus.apikey%"
    $args += "--project=$project"
    $args += "--version=%octopus.releaseNumber%"
    $args += "--deployto=%octopus.deployTo%"
    $args += "--packageversion=%octopus.packageVersion%"
    $args += "--force"
    $args += "--enableservicemessages"
    $args += "--progress"
    
    if ("%octopus.waitForDeployment%" -eq "true") {
        $args += "--waitfordeployment"
    }
    
    return $args
}

function Secure-Sensitive-Data {
    return $input -Replace "(--apikey)(=.*)$", '$1 SECRET'
}

$octo = Join-Path -Path "%teamcity.tool.octopus%" -ChildPath "octo.exe"

"%octopus.projects%".split(",") | ForEach-Object {
    $project = $_.trim()
    $args = Build-Arguments $project

    Write-Host "--"
    Write-Host "Deploying $project..."
    Write-Host "Executing octo.exe..."
    Write-Host "source   : $octo"
    Write-Host "arguments:", ($args | Secure-Sensitive-Data)

    & $octo $args | Out-String

    if (-Not $?) {
        Exit $LASTEXITCODE
    }
}