log_format main '{"logtime": "$time_local", '

'"client_ip": "$remote_addr", '

'"remote_user": "$remote_user", '

'"http_referer": "$http_referer", '

'"resp_len": "$body_bytes_sent", '

'"waster_time": "$request_time", '

'"status": "$status", '

'"request_path": "$request", '

'"request_method": "$request_method", '

'"request_url": "$http_referer", '

'"body_bytes_sent":"$body_bytes_sent", '

'"http_forwarded": "$http_x_forwarded_for", '

'"user_agent": "$http_user_agent" ,'

'"upstream": "$upstream_addr",'

'"upstream_time": "$upstream_response_time",'

'"upstream_status": "$upstream_status"}';

 

https://www.cnblogs.com/kevingrace/p/5893499.html