Agent plugin: NodeAttestor "gcp_iit"

Must be used in conjunction with the server-side gcp_iit plugin

The gcp_iit plugin automatically attests instances using the GCP Instance Identity Token. It also allows an operator to use GCP Instance IDs when defining SPIFFE ID attestation policies.

Configuration	Description	Default
identity_token_host	Host where an identity token can be retrieved from	metadata.google.internal
service_account	The service account to fetch an identity token from	default

A sample configuration:

    NodeAttestor "gcp_iit" {
        plugin_data {
            identity_token_host = "metadata.google.internal"
            service_account = "XXX@developer.gserviceaccount.com"
        }
    }