K8s可视化监控告警【2】--Grafana部署

秒速五厘米 2023-06-30 13:53 13阅读 0赞

**1. app部署**

apiVersion: v1
    kind: ReplicationController
    metadata:
      name: grafana-core
      namespace: kube-system
      labels:
        monitor: grafana
        component: core
    spec:
      replicas: 1
      template:
        metadata:
          labels:
            monitor: grafana
            component: core
        spec:
          tolerations:
          - key: node-role.kubernetes.io/master
            operation: Equal
            effect: NoSchedule
          containers:
          - image: grafana/grafana:4.2.0
            name: grafana-core
            imagePullPolicy: IfNotPresent
            # env:
            resources:
              # keep request = limit to keep this container in guaranteed class
              limits:
                cpu: 100m
                memory: 100Mi
              requests:
                cpu: 100m
                memory: 100Mi
            env:
              # The following env variables set up basic auth twith the default admin user and admin password.
              - name: GF_AUTH_BASIC_ENABLED
                value: "true"
              - name: GF_AUTH_ANONYMOUS_ENABLED
                value: "false"
              # - name: GF_AUTH_ANONYMOUS_ORG_ROLE
              # value: Admin
              # does not really work, because of template variables in exported dashboards:
              # - name: GF_DASHBOARDS_JSON_ENABLED
              # value: "true"
            readinessProbe:
              httpGet:
                path: /login
                port: 3000
              # initialDelaySeconds: 30
              # timeoutSeconds: 1
            volumeMounts:
            - name: grafana-persistent-storage
              mountPath: /var
          volumes:
          - name: grafana-persistent-storage
            emptyDir: { }
    
    ---
    apiVersion: v1
    kind: Service
    metadata:
      name: grafana
      namespace: kube-system
      labels:
        monitor: grafana
        component: core
    spec:
      type: NodePort
      ports:
      - port: 3000 # 访问服务名即可跳转到对于目标容器端口
        protocol: TCP
        targetPort: 3000 # 容器开放端口
        nodePort: 33000 # 绑定集群节点端口
      selector:
        monitor: grafana
        component: core

`访问URL：http://节点IP:33000`  
**2. 添加数据源**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTAwNTY1_size_16_color_FFFFFF_t_70]

**3. 添加模板**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTAwNTY1_size_16_color_FFFFFF_t_70 1]

`访问http://节点IP:33000/dashboard/db/kubernetes-cluster-monitoring-via-prometheus?refresh=10s&orgId=1`

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTAwNTY1_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200117181413939.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM4OTAwNTY1,size_16,color_FFFFFF,t_70