Whether rke2 should run as a server or agent.If it's a server:<ul><li>By default it also runs workloads as an agent.</li><li>any optionals is allowed.</li></ul>If it's an agent:<ul><li><code>serverAddr</code> is required.</li><li><code>token</code> or <code>tokenFile</code> is required.</li><li><code>agentToken</code> or <code>agentTokenFile</code> or <code>disable</code> or <code>cni</code> are not allowed.</li></ul>

services.rke2.role

Whether rke2 should run as a server or agent