【日志收集】之Loki

Loki 收集日志

组件

1. loki 服务端
2. promtail 收集器Agent
3. grafana 展示

部署

Loki

[root@localhost ~]# cat loki-local-config.yaml 
auth_enabled: false

server:
  http_listen_port: 3100

ingester:
  lifecycler:
    address: 192.168.81.129
    ring:
      kvstore:
        store: inmemory
      replication_factor: 1
    final_sleep: 0s
  chunk_idle_period: 5m
  chunk_retain_period: 30s
  max_transfer_retries: 0

schema_config:
  configs:
    - from: 2018-04-15
      store: boltdb
      object_store: filesystem
      schema: v11
      index:
        prefix: index_
        period: 168h

storage_config:
  boltdb:
    directory: /tmp/loki/index

  filesystem:
    directory: /tmp/loki/chunks

limits_config:
  enforce_metric_name: false
  reject_old_samples: true
  reject_old_samples_max_age: 168h

chunk_store_config:
  max_look_back_period: 0s

table_manager:
  retention_deletes_enabled: false
  retention_period: 0s

promtail

[root@localhost ~]# cat promtail-config.yaml 
server:
  http_listen_port: 9080
  grpc_listen_port: 0

positions:
  filename: /tmp/positions.yaml

clients:
  - url: http://192.168.81.129:3100/loki/api/v1/push

scrape_configs:
- job_name: system
  static_configs:
  - targets:
      - 192.168.81.129
    labels:
      job: varlogs
      __path__: /var/log/*log

- job_name: message
  static_configs:
  - targets:
      - 192.168.81.129
    labels:
      job: msglogs
      __path__: /var/log/messages

- job_name: nginx
  static_configs:
  - targets:
      - 192.168.81.129
    labels:
      job: nginxlogs
      __path__: /usr/local/docker/nginx/logs/*log

grafana

• 接入数据源 loki
• explore