使用grafana+loki监控分析Nginx日志

# 拉取loki
docker pull grafana/loki:2.8.0


# 下载loki配置文件
curl -o loki.yaml https://raw.githubusercontent.com/grafana/loki/v2.8.0/cmd/loki/loki-local-config.yaml


# 移动到/var/docker/grafana目录下
mv loki.yaml var/docker/grafana/


# 启动
docker run --name loki -d -v var/docker/grafana:/mnt/config -p 3100:3100 --network grafana grafana/loki:2.8.0 -config.file=/mnt/config/loki.yaml

# 拉取promtail
docker pull grafana/promtail:2.8.0


# 下载promtail配置文件
curl -o promtail.yaml


# 移动到/var/docker/grafana目录下
mv promtail.yaml var/docker/grafana/

server:
  http_listen_port: 0 # 使用本地日志，不需要监听端口
  grpc_listen_port: 0


positions:
  filename: /tmp/positions.yaml


clients:
  # 172.18.0.2是docker network给loki分配的的ip地址
  - url: http://172.18.0.2:3100/loki/api/v1/push


scrape_configs:
- job_name: system
  pipeline_stages:
  - replace:
      expression: '(?:[0-9]{1,3}\.){3}([0-9]{1,3})'
      replace: '***'
  static_configs:
  - targets:
      - localhost
    labels:
      job: varlogs
      __path__: /var/log/fhsk.log # 使用指定的log文件

docker run --name promtail -d -v var/docker/grafana:/mnt/config -v /usr/local/nginx-1.22.1/logs/fhsk.access.log:/var/log/fhsk.log --network grafana --link loki grafana/promtail:2.8.0 -config.file=/mnt/config/promtail.yaml

log_format json_analytics escape=json '{'
                            '"msec": "$msec", ' # request unixtime in seconds with a milliseconds resolution
                            '"connection": "$connection", ' # connection serial number
                            '"connection_requests": "$connection_requests", ' # number of requests made in connection
                    '"pid": "$pid", ' # process pid
                    '"request_id": "$request_id", ' # the unique request id
                    '"request_length": "$request_length", ' # request length (including headers and body)
                    '"remote_addr": "$remote_addr", ' # client IP
                    '"remote_user": "$remote_user", ' # client HTTP username
                    '"remote_port": "$remote_port", ' # client port
                    '"time_local": "$time_local", '
                    '"time_iso8601": "$time_iso8601", ' # local time in the ISO 8601 standard format
                    '"request": "$request", ' # full path no arguments if the request
                    '"request_uri": "$request_uri", ' # full path and arguments if the request
                    '"args": "$args", ' # args
                    '"status": "$status", ' # response status code
                    '"body_bytes_sent": "$body_bytes_sent", ' # the number of body bytes exclude headers sent to a client
                    '"bytes_sent": "$bytes_sent", ' # the number of bytes sent to a client
                    '"http_referer": "$http_referer", ' # HTTP referer
                    '"http_user_agent": "$http_user_agent", ' # user agent
                    '"http_x_forwarded_for": "$http_x_forwarded_for", ' # http_x_forwarded_for
                    '"http_host": "$http_host", ' # the request Host: header
                    '"server_name": "$server_name", ' # the name of the vhost serving the request
                    '"request_time": "$request_time", ' # request processing time in seconds with msec resolution
                    '"upstream": "$upstream_addr", ' # upstream backend server for proxied requests
                    '"upstream_connect_time": "$upstream_connect_time", ' # upstream handshake time incl. TLS
                    '"upstream_header_time": "$upstream_header_time", ' # time spent receiving upstream headers
                    '"upstream_response_time": "$upstream_response_time", ' # time spend receiving upstream body
                    '"upstream_response_length": "$upstream_response_length", ' # upstream response length
                    '"upstream_cache_status": "$upstream_cache_status", ' # cache HIT/MISS where applicable
                    '"ssl_protocol": "$ssl_protocol", ' # TLS protocol
                    '"ssl_cipher": "$ssl_cipher", ' # TLS cipher
                    '"scheme": "$scheme", ' # http or https
                    '"request_method": "$request_method", ' # request method
                    '"server_protocol": "$server_protocol", ' # request protocol, like HTTP/1.1 or HTTP/2.0
                    '"pipe": "$pipe", ' # "p" if request was pipelined, "." otherwise
                    '"gzip_ratio": "$gzip_ratio", '
                    '"http_cf_ray": "$http_cf_ray",'
                    '}';


 access_log /usr/local/nginx-1.22.1/logs/fhsk.access.log json_analytics;

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原文链接：https://blog.csdn.net/qq_39810587/article/details/130289125
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