creamlike1024/logviewer

Log tailer with Python and websocket.

Logviewer

Development

Require Python 3.7 or newer.

python -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Demo

Start WebSocket server

$ python server.py -h
usage: server.py [-h] [--host HOST] [--port PORT] --prefix PREFIX

optional arguments:
  -h, --help       show this help message and exit
  --host HOST
  --port PORT
  --prefix PREFIX  Allowed directories

$ python server.py --host 127.0.0.1 --port 8765 --prefix /tmp/ --prefix /tmp/dir1

Start demo client

python -m http.server

Create /tmp/demo.log file and browse http://localhost:8000/demo.html, you will see the content of the log file. Append logs to this file and the content will be shown in browser immediately.

Nginx

rewrite

location /log-ws {
        proxy_pass         "http://127.0.0.1:9999";
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $host;
        proxy_connect_timeout 60m;
        proxy_send_timeout 60m;
        proxy_read_timeout 60m;
        rewrite  ^/log-ws/(.*) /logs/$1 break;