Server plugin: NodeAttestor "join_token"
Must be used in conjunction with the agent-side join_token plugin
join_token plugin attests a node based on a pre-shared, one-time-use join token. A
token must be generated by the server before it can be used to attest a node.
This plugin has no configuration options. Tokens may be generated through the CLI utility
spire-server token generate) or through the registration API.