I wrote about how to Automate Agent Install with PowerShell and thought I would provide the script I am using now since I recently had to deploy some new agents. The script is below and it is pretty self explanatory and generally follows my previous blog post and the Go.cd documentation.

We basically, copy an existing agent to a new location, remove some files that are agent specific, and create a Windows service to run the agent. Until I feel the pain of having to do it, I set the service account/password and start the service manually. Also, I configure the agent on the server manually through the Go.cd UI. When I have to install more agents I will probably automate it then.

$currentAgentPath = "D:\Go Agents\Internal\1";
$newAgentName = "Go Agent Internal 3";
$newAgentPath = "D:\Go Agents\Internal\3\";

Write-Host "Copying Files"
Copy-Item "$currentAgentPath\" -Destination $newAgentPath -Recurse;

Write-Host "Deleting Agent Specific Files"
$guidText = "$newAgentPath\config\guid.txt";

if (Test-Path $guidText)
{
 Remove-Item $guidText;
}

Remove-Item "$newAgentPath\.agent-bootstrapper.running";

Write-Host "Create Agent Service"
New-Service -Name $newAgentName -Description $newAgentName -BinaryPathName "`"$newAgentPath\cruisewrapper.exe`" -s `"$newAgentPath\config\wrapper-agent.conf`"";

#$credential = Get-Credential;
#Eventually, we will write a function to set the service account and password and start the service would be nice to have a way to automatically configure the agent on the server too.

I guess I decided to do the work for you 🙂

Enjoy