#Nginx-Simple-Watcher A zero-extra-dependency C++14 nginx server watcher providing CPU usage, mem usage, latest nginx logs and hottest directories, all in JSON format.

A simple static web frontend is also provided.

Linux3.2+ only.

Compile

Use any compiler that has support for C++14.

g++ -std=c++14 -O2 watcher.cpp -o watcher -pthread

Usage

./watcher nginx_access_log_path sleep_second output_json_path

Then copy status.html, updatedata.js, status.css, psd3.min.css, psd3.min.js to the same directory as the json's.

Screenshot

Output Format

{
    "cpu":
    [
        ["time_1", 10.1],
        ["time_2", 29]
    ],
    "mem":
    {
        "realUsed":
            [
                ["time_1", 1234],
                ["time_2", 1300]
            ],
        "used":
                [
                    ["time_1", 2300],
                    ["time_2", 2400]
                ]
    },
    "nginx":
    {
        "data":
        [
            {
                "path": "/test/",
                "method": "GET",
                "status": 200,
                "time": "time_1"
            }
        ]
    },
    "hotDir":
    [
        {
            "count": 22,
            "name": "/",
            "drilldown":
                [
                    {
                        "count": 11,
                        "name": "archlinux/",
                        "drilldown": []
                    }
                ]
        }
    ]
}

Modify NginxLogEntryParser to meet your nginx access log format!

License

This project is under GPLv3 license, see LICENSE for details.

json.hpp is from https://github.com/nlohmann/json, which is licensed under the MIT license.

psd3.min.css and psd3.min.js are from https://github.com/pshivale/psd3, which is also licensed under MIT license.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.