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RPI + collectd missing network stats

Hello,

I’ve just started to get my head round Docker and am amazed at how powerful it is. Currently it’s running the following containers for me on two Raspberry Pi 3b+'s:

  • Node-red
  • Mosquitto
  • Collectd
  • Telegraf
  • Influxdb
  • Grafana

I’ve run into a small issue and I’m not sure if it’s my lack of knowledge or a known problem. I can’t seem to find any acknowledgement of it across here or the Internet though…

  • Issue type: Missing data
  • OS Version/build: "Raspbian GNU/Linux 9 (stretch)
  • App version: tringler/rpi-collectd:5.8.0
  • Steps to reproduce:
    I’ve started by monitoring the local Raspberry Pi resources but I’m struggling to get any networking stats up.

Digging into the database Collectd/Telegraf has created tables for everything except the networking:

Using database telegraf
show measurements
name: measurements
name

cpu
disk
diskio
kernel
mem
processes
swap
system

There’s nothing in the log files that I can see either.

ifconfig is showing that wlan0 is working fine and I’ve made sure that it’s enabled in the collectd.conf plugin config.

Any other pointers that might help?