nginx ltsv log

# /etc/nginx/nginx.conf

http {
    # http://www.xmisao.com/2014/05/09/fluentd-elasticsearch-nginx-log.html
    log_format ltsv 'time:$time_iso8601\t'
                'remote_addr:$remote_addr\t'
                'request_method:$request_method\t'
                'request_length:$request_length\t'
                'request_uri:$request_uri\t'
                'https:$https\t'
                'uri:$uri\t'
                'query_string:$query_string\t'
                'status:$status\t'
                'bytes_sent:$bytes_sent\t'
                'body_bytes_sent:$body_bytes_sent\t'
                'referer:$http_referer\t'
                'useragent:$http_user_agent\t'
                'forwardedfor:$http_x_forwarded_for\t'
                'request_time:$request_time\t'
                'upstream_response_time:$upstream_response_time\t'
                'host:$host';


    # 既にあるこの行の一番後ろにltsvと追加
    access_log /var/log/nginx/access.log ltsv;
    
    ...
}

反映するときは

sudo nginx -t && sudo systemctl reload nginx