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Prometheus exporter for cheap TP-Link routers, like the TL-WR841N

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tplink_exporter Build Status License

Prometheus exporter for cheap TP-Link routers, like the TL-WR841N.

Inspired by this repository.

The tplink package created for this exporter can be used for another projects besides this one.

grafana_image

Usage

tplink exporter has a few CLI arguments that you can configure like the following ones.

  • -a: Router's IP address, you can also configure it by using the TPLINK_ROUTER_ADDR environment variable.
  • -w: Router's password, you can also configure it by using the TPLINK_ROUTER_PASSWD environment variable.
  • -u: Router's username, you can also configure it by using the TPLINK_ROUTER_USER environment variable.
  • -p: Prometheus port.
  • -v: Verbose output.
  • -f: MAC Database, you can also configure it by using the TPLINK_ROUTER_MACS environment variable. By default should be located on /etc/known_macs.

Metrics exposed

  • tplink_wan_rx_bytes: Total bytes received
  • tplink_wan_tx_bytes: Total bytes transmitted
  • tplink_lan_traffic_bytes: bytes sent/received per device
  • tplink_lan_traffic_packets: Packets sent/received per device
  • tplink_lan_leases_seconds: Lease time left per device

LAN metrics include IP and MAC addresses and device name as labels.

Using systemd

You can run this agent as a service. First you need to compile it and then you just need create a systemd service like this one:

[Unit]
Description=TP-Link Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=tplink_exporter
Group=tplink_exporter
Type=simple
ExecStart=/usr/local/bin/tplink_exporter

[Install]
WantedBy=multi-user.target

Configure it and launch it:

sudo systemctl enable tplink_exporter
sudo systemctl start tplink_exporter

Using docker compose

tplink_exporter:
  container_name: tplink_exporter
  restart: unless-stopped
  cpu_count: 1
  mem_limit: 16m
  build:
    context: ./containers/tplink_exporter
    dockerfile: Dockerfile
  ports:
   - "9300:9300"
  volumes:
   - "./config/tplink_exporter/known_macs:/etc/known_macs"