Bluetooth component doesn't cope when the host doesn't have bluetooth

[Djelibeybi]

The problem

There doesn't seem to be a way to run Home Assistant (dev) on an instance without Bluetooth, as homeassistant.components.bluetooth throws an error if bluetoothctl isn't installed.

I'm working in an WSL2 instance that has no access to Bluetooth. This then has cascading impact on the HomeKit Controller (which now depends on the bluetooth component).

What version of Home Assistant Core has the issue?

2022.8.0.dev0

What was the last working version of Home Assistant Core?

2022.7.6

What type of installation are you running?

Home Assistant Core

Integration causing the issue

No response

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: homeassistant.loader
Source: components/bluetooth/__init__.py:12
First occurred: 3:11:57 PM (1 occurrences)
Last logged: 3:11:57 PM

Unexpected exception importing component homeassistant.components.bluetooth
Traceback (most recent call last):
  File "/home/amiller/Git/Hass/src/homeassistant/loader.py", line 638, in get_component
    cache[self.domain] = importlib.import_module(self.pkg_path)
  File "/usr/lib64/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/home/amiller/Git/Hass/src/homeassistant/components/bluetooth/__init__.py", line 12, in <module>
    from bleak import BleakError
  File "/home/amiller/Git/Hass/src/venv/lib64/python3.9/site-packages/bleak/__init__.py", line 41, in <module>
    if not _on_ci and not check_bluez_version(5, 43):
  File "/home/amiller/Git/Hass/src/venv/lib64/python3.9/site-packages/bleak/backends/bluezdbus/__init__.py", line 17, in check_bluez_version
    p = subprocess.Popen(["bluetoothctl", "--version"], stdout=subprocess.PIPE)
  File "/usr/lib64/python3.9/subprocess.py", line 951, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/usr/lib64/python3.9/subprocess.py", line 1821, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'bluetoothctl'

Additional information

No response

[gregg098]

I'm running Home Assistant container ( 2022.8.0b1 - but it also happened on b0) on top of Debian 11 with the privileged flag and Bluez installed on the host, so I should meet the pre-reqs listed HERE. I know the Bluetooth adapter is available in the container, but I get a similar error, shown below.

Running a NUC6 using integrated Bluetooth adapter. Maybe that's the issue? Any other Bluetooth integration I test does work and can see the adapter. I made sure to disable all bluetooth integrations and restart Home Assistant prior to testing this integration.

Here's the error:

WARNING (MainThread) [homeassistant.config_entries] Config entry 'Bluetooth' for bluetooth integration not ready yet: Failed to start Bluetooth: [Errno 2] No such file or directory; Retrying in background

This is what my integration page looks like:

This is what I see when I click Configure:

Docker Compose:

  homeassistant:
    container_name: homeassistant
#    image: ghcr.io/home-assistant/home-assistant:2022.7
    image: homeassistant/home-assistant:rc
    restart: unless-stopped
    network_mode: host
    privileged: true
    depends_on:
      - mosquitto
    environment:
      - TZ=${TIMEZONE}
    volumes:
      - ${DOCKERDIR}/homeassistant/config:/config
      - ${DOCKERDIR}/homeassistant/db:/db

Result of lsusb from host (removed non-applicable devices):
Bus 003 Device 003: ID 8087:0aa7 Intel Corp. Wireless-AC 3168 Bluetooth

Result of lsusb inside of the container:
Bus 003 Device 003: ID 8087:0aa7

[balloob]

Fixed in #75941

[ghost]

Do I have the same issue? I have just updated from 2022.7.7 to 2022.8.1 and have the following in my logs:

Unexpected exception importing component homeassistant.components.bluetooth
12:01:39 – (ERROR) deps/lib/python3.9/site-packages/bleak/backends/bluezdbus/__init__.py
Setup failed for bluetooth: Unable to import component: Exception importing homeassistant.components.bluetooth
12:01:39 – (ERROR) setup.py
Unable to set up dependencies of default_config. Setup failed for dependencies: bluetooth
12:02:00 – (ERROR) setup.py
Setup failed for default_config: (DependencyError(...), 'Could not setup dependencies: bluetooth')
12:02:00 – (ERROR) setup.py
Error doing job: Task exception was never retrieved
12:02:20 – (ERROR) setup.py - message first occurred at 12:02:11 and shows up 2 times
Unable to set up dependencies of homekit_controller. Setup failed for dependencies: bluetooth
12:02:20 – (ERROR) setup.py - message first occurred at 12:02:11 and shows up 4 times

I do not (believe I have) have any BT devices on my R-Pi

[Djelibeybi]

Which RPi is it? Some, like the 4B, have Bluetooth built-in.

[ghost]

Agh, yes it's a 4b - thanks for explaining that.

What is my best course of action?

If it helps, I am running HA Core on DietPi (light Debian image) but can change to Docker if necessary

[Djelibeybi]

Honestly, if the Pi is dedicated to running Home Assistant, just install Home Assistant OS. It gets the most testing.

[ghost]

Hi,

It isn't. I am running other things (AdBlockPlus, Unbound).

Do you think Docker is worth a shot?

[Djelibeybi]

Depends on how well you know Docker, I guess. If you don't need Bluetooth, I'd look into disabling it completely via /boot/config.txt on the Pi instead.

[ghost]

agh - good idea - thanks!

[ghost]

Just checked - Bluetooth is already disabled.

...very odd, but I'll try docker.

[ghost]

OK, posting for anyone else that has this issue. Turning my Pi's Bluetooth on (and restarting HA) fixes it.

This is repeatable. Turning Bluetooth off brings the problem back.

This is using HA Core running on a Pi-4b with DietPi OS.

[ghost]

...and just for completion, HA works fine when running in Docker with my Pi's Bluetooth disabled.