gistfile1.txt

  - name: 'compute.node.cpu.kernel.percent'
    event_type: 'compute.metrics.update'
    type: 'gauge'
    unit: '%'
    volume:
      attribute: payload.metrics[?(@.name='cpu.kernel.percent')].value
      scale: 100
    resource_id:
      attribute:
        - payload.host
        - payload.nodename
      separator: '_'