metadata/service/server/plugin/vault.yml

parameters:
  _param:
    barbican_vault_schema: http
    barbican_vault_host: localhost
    barbican_vault_port: 8200
    barbican_vault_kv_mountpoint: secret
    barbican_vault_ca_certs: '/etc/barbican/ssl/vault/CA.crt'
  barbican:
    server:
      plugin:
        vault:
          schema: ${_param:barbican_vault_schema}
          host: ${_param:barbican_vault_host}
          port: ${_param:barbican_vault_port}
          kv_mountpoint: ${_param:barbican_vault_kv_mountpoint}
          ssl_ca_crt_file: ${_param:barbican_vault_ca_certs}