Docker host changes

While in general, I wanted anything configurable to be configured inside the Docker container, I did need to make some small changes on the docker host itself.

Z-Wave stick device name

So that I know what device to pass into the openzwave docker container, I want to have a consistent device name for my Aeotec Z-Stick Gen5, /dev/z-stick

When I plugged it in, my kernel log showed these messages:

[ 3015.445703] usb 1-2: new full-speed USB device number 5 using xhci_hcd
[ 3015.572982] usb 1-2: New USB device found, idVendor=0658, idProduct=0200
[ 3015.572991] usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3015.590106] cdc_acm 1-2:1.0: ttyACM0: USB ACM device

and lsusb shows this corresponding entry on device number 5 as referenced above:

Bus 001 Device 005: ID 0658:0200 Sigma Designs, Inc. 

with 0658 being the vendor id and 0200 being the product id of the Z-Stick. Creating /etc/udev/rules.d/99-z-stick.rules with the following contents:

SUBSYSTEM=="tty", ATTRS{idVendor}=="0658", ATTRS{idProduct}=="0200", SYMLINK+="z-stick"

followed by a udevadm trigger does the trick!

[root@oliver ~]# ls -l /dev/z-stick 
lrwxrwxrwx. 1 root root 7 Mar  1 14:19 /dev/z-stick -> ttyACM0

openzwave container

I altered Rui Marinho’s openzwave docker image a bit to shrink the image down, but then I realized it’s no longer necessary to use openzwave, so there went a couple hours right down the drain

Home Assistant Container

This seems to work mostly out of the box with docker:

docker run \
  -d \
  --name=home-assistant \
  -v /srv/homeassistant:/config:z \
  -v /etc/localtime:/etc/localtime:ro \
  --device /dev/z-stick:/dev/z-stick \
  --net=host \
  homeassistant/home-assistant:latest

Note: that :z at the end of my configuration volume is needed so that Docker updates the SELinux label on that directory. Otherwise, SELinux will refuse to let Docker mount it

Poke a hole in the firewall:

[root@oliver]/srv# firewall-cmd --permanent --add-port=8123/tcp
success