slb.md

SLB External metrics

Global Params

all metrics need the global params.

global params	description	example	required
slb.instance.id	The ID of a SLB instance.	lb-2zelc9ml3tr1cnsir6ep2	True
slb.instance.port	The port of SLB instance.	80	True

Metrics List

metric name	description	extra params
slb_l4_traffic_rx	Inflows per second	None
slb_l4_traffic_tx	Outflow per second	None
slb_l4_packet_tx	Number of packets inflows per second	None
slb_l4_packet_rx	Number of packets per second	None
slb_l4_active_connection	Active connections	None
slb_l4_max_connection	Maximum number of connections	None
slb_l4_connection_utilization	Maximum connection usage	None
slb_l7_qps	QPS	None
slb_l7_rt	Request delay	None
slb_l7_status_2xx	2xx request(per second)	None
slb_l7_status_3xx	3xx request(per second)	None
slb_l7_status_4xx	4xx request(per second)	None
slb_l7_status_5xx	5xx request(per second)	None
slb_l7_upstream_4xx	Upstream service 4xx request (per second)	None
slb_l7_upstream_5xx	Upstream service 5xx request (per second)	None
slb_l7_upstream_rt	Upstream service rt	None

Demo

apiVersion: apps/v1beta2 # for versions before 1.8.0 use apps/v1beta1
kind: Deployment
metadata:
  name: nginx-deployment-basic
  labels:
    app: nginx
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.7.9 # replace it with your exactly <image_name:tags>
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: nginx
  namespace: default
spec:
  externalTrafficPolicy: Local
  ports:
    - port: 80
      protocol: TCP
      targetPort: 80
  selector:
    app: nginx
  sessionAffinity: None
  type: LoadBalancer
---
apiVersion: autoscaling/v2beta2
kind: HorizontalPodAutoscaler
metadata:
  name: slb-hpa
spec:
  scaleTargetRef:
    apiVersion: apps/v1beta2
    kind: Deployment
    name: nginx-deployment-basic
  minReplicas: 5
  maxReplicas: 10
  metrics:
    - type: External
      external:
        metric:
          name: slb_l4_active_connection
          selector:
            matchLabels:
              # slb.instance.id: "lb-2ze2locy5fk8at1cfx47y"
              slb.instance.id: ""
              # slb.instance.port: "80"
              slb.instance.port: ""
        target:
          type: Value
          value: 100