power shell script for you OSX to clean VSTS DEVOPS build agents working directories

clean-build-agents.ps1

$AGENTS_ROOT = "/Volumes/DATA/agents";

$AGENTS_NAMES = "name1",
                "name2",
                "name3";

foreach ($name in $AGENTS_NAMES) {
        $path = "$AGENTS_ROOT/$name";
        Write-Output("stopping agent: $path");
        pushd $path
        sh ./svc.sh stop
        popd
        Write-Output("agent stopped: $path");
}

$hasErrors = $false;

foreach ($name in $AGENTS_NAMES) {                    
    try {
        $path = "$AGENTS_ROOT/$name";
        $pathFull = "$path/_work/*";
        # Write-Host "$path [$pathFull]";
        Write-Output("cleaning the agent: $path");
        Remove-Item -Path $pathFull -Recurse -Force;   
        Write-Output("agent cleaned: $path");   
    }
    catch {
        $hasErrors = $true;
        Write-Error ("unable to remove working directory from the agent: $name");                   
    }   
}

if ($hasErrors -eq $false){

    Write-Output("starting agents...");   
    # sudo shutdown -r now

    foreach ($name in $AGENTS_NAMES) {
        $path = "$AGENTS_ROOT/$name";
        Write-Output("starting agent at $path");
        pushd $path
        sh ./svc.sh start
        popd
        Write-Output("agent started at $path");
    }
}