RPI + collectd missing network stats

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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?