observability
metrics
Prometheus

Prometheus

在线Chart仓库方式 

helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update
kubectl create ns monitoring
helm install prometheus prometheus-community/prometheus -f values.yaml --version 25.24.1 -n monitoring

本地离线Chart方式 

wget https://github.com/prometheus-community/helm-charts/releases/download/prometheus-25.24.1/prometheus-25.24.1.tgz
kubectl create ns monitoring
helm install prometheus prometheus-25.24.1.tgz -f values.yaml -n monitoring

其中 values.yaml 配置文件：

server:
  persistentVolume:
    enabled: true
    accessModes:
      - ReadWriteOnce
    size: 8Gi
    storageClass: local-storage
kube-state-metrics:
  enabled: true
prometheus-node-exporter:
  enabled: true
alertmanager:
  enabled: false
prometheus-pushgateway:
  enabled: false

配置参考：https://github.com/prometheus-community/helm-charts/tree/prometheus-25.24.1/charts/prometheus

附录

  1. 国内无法拉取 registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.12.0 镜像，可以在节点执行：

    ctr -n k8s.io image pull registry.cn-hangzhou.aliyuncs.com/hubmirrorbytogettoyou/registry.k8s.io.kube-state-metrics.kube-state-metrics:v2.12.0 && ctr -n k8s.io image tag registry.cn-hangzhou.aliyuncs.com/hubmirrorbytogettoyou/registry.k8s.io.kube-state-metrics.kube-state-metrics:v2.12.0 registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.12.0

  2. LocalPV 参考：

    apiVersion: v1
kind: PersistentVolume
metadata:
  name: local-pv-prometheus-node1
spec:
  capacity:
    storage: 8Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
  storageClassName: local-storage
  local:
    path: /mnt/localpv/prometheus
  nodeAffinity:
    required:
      nodeSelectorTerms:
        - matchExpressions:
            - key: kubernetes.io/hostname
              operator: In
              values:
                - node1

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