Threshold alerting

gistfile1.txt

groups:
- name: Threshold-Alerts
  rules:
  - record: load_threshold
    expr: "100"
  - record: load_threshold
    expr: "10"
    labels:
      node_type: tiny
  - record: load_threshold
    expr: "1000"
    labels:
      node_type: huge
  - alert: LoadIsTooDamnHigh
    expr: |
      (node_load1 - on(node_type) group_left() load_threshold > 0)
        or 
      (node_load1 - scalar(load_threshold{node_type=""}) > 0)