Loki简单收集k8s容器日志使用

为了方便安装使用helm安装

helm repo add loki https://grafana.github.io/loki/charts && helm repo update
helm pull loki/loki-stack
tar xf loki-stack-2.1.2.tgz
helm install loki loki-stack/

cat<<END> grangfan.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
  labels:
    app: grafana
spec:
  replicas: 1
  selector:
    matchLabels:
      app: grafana
  template:
    metadata:
      labels:
        app: grafana
    spec:
      containers:
      - name: grafana
        image: grafana/grafana:latest
        volumeMounts:
        - name: timezone
          mountPath: /etc/localtime
      volumes:
        - name: timezone
          hostPath:
            path: /usr/share/zoneinfo/Asia/Shanghai

---

apiVersion: v1
kind: Service
metadata:
  name: grafana-svc
  #namespace: test
spec:
  ports:
  - port: 3000
    targetPort: 3000
    nodePort: 3303
  type: NodePort
  selector:
    app: grafana
END

登录granfan

使用pod标签方式匹配一个返回200的请求

多行查询

匹配多个关键字

如果不知道pods的标签可以直接使用以下快速翻页查找的方式

各种骚的查询

更多语法参加可见官网

https://grafana.com/docs/loki/latest/logql/