• Yaml
• 参考文献

Yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: mw
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s
      scrape_timeout: 15s
    scrape_configs:
    - job_name: 'prometheus'
      static_configs:
      - targets: ['localhost:9090']
---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: local-storage
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: prometheus-local
  labels:
    app: prometheus
spec:
  accessModes:
    - ReadWriteOnce
  capacity:
    storage: 2Gi
  storageClassName: local-storage
  local:
    path: /data/k8s/prometheus
  persistentVolumeReclaimPolicy: Retain
  nodeAffinity:
    required:
      nodeSelectorTerms:
        - matchExpressions:
            - key: kubernetes.io/hostname
              operator: In
              values:
                - k8s   # 主机名
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: prometheus-data
  namespace: mw
spec:
  selector:
    matchLabels:
      app: prometheus
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 2Gi
  storageClassName: local-storage
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
  namespace: mw
  labels:
    app: prometheus
spec:
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      serviceAccountName: prometheus
      initContainers:                            # InitContainer 执行成功后就结束退出
        - name: fix-permissions
          image: busybox
          command: [chown, -R, "nobody:nobody", /prometheus]
      containers:
        - image: prom/prometheus:v2.39.1
          name: prometheus
          args:
            - "--config.file=/etc/prometheus/prometheus.yml"
            - "--storage.tsdb.path=/prometheus"  # 指定tsdb数据路径
            - "--storage.tsdb.retention.time=24h"
            - "--web.enable-admin-api"           # 控制对admin HTTP API的访问，其中包括删除时间序列等功能
            - "--web.enable-lifecycle"           # 支持热更新，直接执行localhost:9090/-/reload立即生效
          ports:
            - containerPort: 9090
              name: http
          volumeMounts:
            - mountPath: "/etc/prometheus"
              name: config-volume
            - mountPath: "/prometheus"
              name: data
          resources:
            requests:
              cpu: 200m
              memory: 1024Mi
            limits:
              cpu: 200m
              memory: 1024Mi
  volumeMounts:
  - name: data
    mountPath: /prometheus
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: prometheus-data
        - configMap:
            name: prometheus-config
          name: config-volume
---

apiVersion: v1
kind: Service
metadata:
  name: prometheus
  namespace: mw
  labels:
    app: prometheus
spec:
  selector:
    app: prometheus
  type: NodePort
  ports:
    - name: web
      nodePort: 30407
      port: 9090
      targetPort: http
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus
  namespace: mw
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: prometheus
rules:
  - apiGroups:
      - ""
    resources:
      - nodes
      - services
      - endpoints
      - pods
      - nodes/proxy
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - "extensions"
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - configmaps
      - nodes/metrics
    verbs:
      - get
  - nonResourceURLs:
      - /metrics
    verbs:
      - get
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: prometheus
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: prometheus
subjects:
  - kind: ServiceAccount
    name: prometheus
    namespace: mw

参考文献

https://blog.csdn.net/qq_34556414/article/details/113858984