添加consul集群监控

部署consul-exporter

vim prometheus-consul-exporter-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: ppp
  name: consul-exporter
  labels:
    k8s-app: consul
spec:
  replicas: 1
  selector: 
    matchLabels:
      k8s-app: consul
  template:
    metadata:
      labels:
        k8s-app: consul
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: consul-exporter
        image: 10.111.9.72/prometheus/consul-exporter:latest
        args:
          - --consul.server=consul-client:8500
        ports:
          - containerPort: 9107
            name: consul-exporter
      volumes:
        - name: data
          hostPath:
            path: /data/consul/data
            type: DirectoryOrCreate
        - hostPath:
            path: /etc/localtime
            type: File
          name: localtime
      nodeSelector:
        decided: system
      tolerations:
      - key: decided
        operator: Equal
        value: system
        effect: NoSchedule

部署consul-svc

vim prometheus-consul-exporter-svc.yaml
---
apiVersion: v1
kind: Service
metadata:
  name: consul-exporter
  namespace: ppp
  labels:
    k8s-app: consul
spec:
  selector:
    k8s-app: consul
  type: ClusterIP
  clusterIP: None
  ports:
  - protocol: TCP
    port: 9107
    name: metrics

部署consul serviceMonitor

vim prometheus-consul-serviceMonitor.yaml
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: consul-exporter
  namespace: ppp
  labels:
    k8s-app: consul
spec:
  jobLabel: k8s-app
  endpoints:
  - port: metrics
    interval: 30s
    scheme: http
  selector:
    matchLabels:
      k8s-app: consul
  namespaceSelector:
    matchNames:
    - ppp