Kubernetes Loki收集节点日志

收集node节点的日志

Promtail 配置文件

配置文件模板文件下载地址

https://github.com/grafana/loki/tree/main/clients/cmd  #自己用哪个客户端收集就用下载哪一个

[root@master ~]# kubectl get svc -n monitoring 
NAME            TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)           AGE
loki            ClusterIP   10.233.2.239   <none>        80/TCP,9095/TCP   13h

cat >> promtail-local-config.yaml <<EOF
server:
  http_listen_port: 9080  #默认端口
  grpc_listen_port: 0

positions:
  filename: /tmp/positions.yaml

clients:
  - url: http://10.1.16.189/loki/api/v1/push

scrape_configs:
- job_name: system
  static_configs:
  - targets:
      - localhost
    labels:
      job: varlogs
      __path__: /var/log/*log
EOF

启动Promtail

[root@master promtail]# nohup ./promtail-linux-amd64 -config.file=promtail-local-config.yaml  > log-promtail.file 2>&1 &
[1] 6664

[root@master promtail]# netstat -tpln | grep 9080
tcp6       0      0 :::9080                 :::*                    LISTEN      6664/./promtail-lin 

确认log：