loki:负责存储日志和查询搜索日志

    promtail: 负责将pods日志转入loki
    docker日志路径：/var/lib/docker/containers
    pods 日志路径：/var/log/pods

    grafana：负责界面展示

    为了方便安装使用helm安装

    1. helm repo add loki https://grafana.github.io/loki/charts && helm repo update
    2. helm pull loki/loki-stack
    3. tar xf loki-stack-2.1.2.tgz
    4. helm install loki loki-stack/
    1. apiVersion: apps/v1
    2. kind: Deployment
    3. metadata:
    4.   name: grafana
    5.   labels:
    6.     app: grafana
    7. spec:
    8.   replicas: 1
    9.   selector:
    10.     matchLabels:
    11.       app: grafana
    12.   template:
    13.     metadata:
    14.       labels:
    15.         app: grafana
    16.     spec:
    17.       containers:
    18.       - name: grafana
    19.         image: grafana/grafana:latest
    20.         volumeMounts:
    21.         - name: timezone
    22.           mountPath: /etc/localtime
    23.       volumes:
    24.         - name: timezone
    25.           hostPath:
    26.             path: /usr/share/zoneinfo/Asia/Shanghai
    28. ---
    30. apiVersion: v1
    31. kind: Service
    32. metadata:
    33.   name: grafana-svc
    34.   #namespace: test
    35. spec:
    36.   ports:
    37.   - port: 3000
    38.     targetPort: 3000
    39.     nodePort: 3303
    40.   type: NodePort
    41.   selector:
    42.     app: grafana

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