Clone Octopus Project

CloneOctopusProject.ps1

Add-Type -Path "C:\Tools\Newtonsoft.Json.dll"
Add-Type -Path "C:\Tools\Octopus.Client.dll" #Make sure its version 2.6.x or higher. Otherwhise you'll get errors with the LifecycleId property
Add-Type -Path "C:\Tools\Octopus.Platform.dll"

$OctopusURI = "" #i.e "Http://Octopus.MyAwesomeCompany.com"
$apikey = "" #i.e "API-7CH6XN0HHOU7DDEEUGKUFUR1K"

$endpoint = new-object -TypeName Octopus.Client.OctopusClient(New-Object Octopus.Client.OctopusServerEndpoint($OctopusURI,$apikey))
$repository = new-object Octopus.Client.OctopusRepository $endpoint

$newproject = New-Object Octopus.Client.Model.ProjectResource

$OriginalProject = $repository.Projects.FindByName("MyOriginalProject");

$properties = [ordered]@{
    Name = "MyClonedProject"
    Description = "Project cloned from $($OriginalProject.name)"
    ProjectGroupId = $OriginalProject.ProjectGroupId
    LifecycleId = $OriginalProject.LifecycleId
}
            
$newproject = New-Object Octopus.Client.Model.ProjectResource -Property $properties

$endpoint.post("~/api/projects?clone=" + $OriginalProject.Id, $newproject)

According to octopus : "Octopus.Platform.dll was removed as part of 3.0 and all that functionality has been moved into its own package."