Prometheus的容器化部署

最新推荐文章于 2024-07-14 00:29:13 发布

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最新推荐文章于 2024-07-14 00:29:13 发布

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#prometheus

实验部署

部署Prometheus

master01  20.0.0.32
node01  20.0.0.34
node02  20.0.0.35


master01---
mkdir pro-node
cd pro-node/
vim prom-node.yaml

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-exporter
  namespace: monitor-sa
  labels:
    name: node-exporter
spec:
  selector:
    matchLabels:
      name: node-exporter
  template:
    metadata:
      labels:
        name: node-exporter
    spec:
      hostPID: true
      hostIPC: true
      hostNetwork: true
      containers:
      - name: node-exporter
        image: prom/node-exporter
        ports:
        - containerPort: 9100
        resources:
          limits:
            cpu: "0.5"
        securityContext:
          privileged: true
        args:
        - --path.procfs
        - /host/proc
        - --path.sysfs
        - /host/sys/
        - --collector.filesystem.ignored-mount-points
        - '"^/(sys|proc|dev|host|etc)($|/)"'
        volumeMounts:
        - name: dev
          mountPath: /host/dev
        - name: proc
          mountPath: /host/proc
        - name: sys
          mountPath: /host/sys
        - name: rootfs
          mountPath: /rootfs
      volumes:
        - name: proc
          hostPath:
            path: /proc
        - name: dev
          hostPath:
            path: /dev
        - name: sys
          hostPath:
            path: /sys
        - name: rootfs
          hostPath:
            path: /

curl -Ls http://20.0.0.32:9100/metrics | grep node_cpu_seconds
#通过node-exporter获取CPU信息

kubectl create serviceaccount monitor -n monitor-sa

kubectl create clusterrolebinding monitor-clusterrolebinding -n monitor-sa --clusterrole=cluster-admin  --serviceaccount=monitor-sa:monitor
#创建用户绑定集群

创建configmap

vim prom-configmap.yaml 
#创建configmap
apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    app: prometheus
  name: prometheus-config
  namespace: monitor-sa
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s
      scrape_timeout: 10s
      evaluation_interval: 1m
    scrape_configs:
    - job_name: 'kubernetes-node'
      kubernetes_sd_configs:
      - role: node
      relabel_configs:
      - source_labels: [__address__]
        regex: '(.*):10250'
        replacement: '${1}:9100'
        target_label: __address__

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