如何自定义Nginx JSON日志格式配置

apt -y install nginx

yum -y install nginx

http {
    ...
    log_format oldboyedu_nginx_json '{"@timestamp":"$time_iso8601",'
                                  '"host":"$server_addr",'
                                  '"clientip":"$remote_addr",'
                                  '"SendBytes":$body_bytes_sent,'
                                  '"responsetime":$request_time,'
                                  '"upstreamtime":"$upstream_response_time",'
                                  '"upstreamhost":"$upstream_addr",'
                                  '"http_host":"$host",'
                                  '"uri":"$uri",'
                                  '"domain":"$host",'
                                  '"xff":"$http_x_forwarded_for",'
                                  '"referer":"$http_referer",'
                                  '"tcp_xff":"$proxy_protocol_addr",'
                                  '"http_user_agent":"$http_user_agent",'
                                  '"status":"$status"}';
    access_log  /var/log/nginx/access.log  oldboyedu_nginx_json;
    # 重要：注释或移除默认的日志格式
    # access_log /var/log/nginx/access.log;
    ...
}

nginx -t

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

systemctl restart nginx

while true; do curl 10.0.0.91; sleep 0.5; done

tail -f /var/log/nginx/access.log

{"@timestamp":"2023-05-15T14:30:45+08:00","host":"10.0.0.91","clientip":"10.0.0.1","SendBytes":612,"responsetime":0.002,"upstreamtime":"-","upstreamhost":"-","http_host":"10.0.0.91","uri":"/","domain":"10.0.0.91","xff":"-","referer":"-","tcp_xff":"","http_user_agent":"curl/7.68.0","status":"200"}

vim /etc/logrotate.d/nginx

log_format oldboyedu_nginx_json '{"@timestamp":"$time_iso8601",'
                              ...
                              '"method":"$request_method",'
                              ...
                              '"status":"$status"}';

map $uri $is_static {
    default 0;
    ~*\.(jpg|jpeg|png|gif|ico|css|js|woff|woff2|ttf|svg) 1;
}
server {
    ...
    access_log /var/log/nginx/access.log oldboyedu_nginx_json if=$is_static;
    ...
}