anchor.diff:              periods: 1
               function: diff
       - name: 'keystone-admin-api-http-errors'
  -      description: 'Some 5xx HTTP errors have been detected on keystone-admin-api'
  +      description: 'Too many 5xx HTTP errors have been detected on keystone-admin-api'
         severity: 'warning'
         enabled: 'true'
         trigger:
  
positive.code:             periods: 1
              function: diff
      - name: 'nova-logs-error'
        description: 'Some errors have been detected in Nova logs'
        severity: 'warning'
        enabled: 'true'
        trigger:
  
negative.code: 
  <% if @monitor_influxdb-%>
      - name: 'influxdb-fs-warning'
        description: "The filesystem's free space is low (InfluxDB node)"
        severity: 'warning'
        enabled: 'true'
        trigger:
  