Files
node-26/docker-compose.yml
T
Logan d201d8124e Issue 1 — Discord Audio (PulseAudio)
docker-compose.yml: Added a pulse_socket named volume mounted at /run/pulse in both op25 and edge-node. Also set PULSE_SERVER=unix:/run/pulse/native in edge-node so libpulse (and ffmpeg's pulse input) finds the right socket.

discord_radio.py: Removed _icecast_url and changed _play_stream() to use -f pulse -i default.monitor. This reads directly from the PulseAudio sink monitor — zero buffer delay. The PULSE_SERVER env var is inherited by the ffmpeg subprocess.

Note: default.monitor captures whatever audio is playing on the default sink. If OP25 uses a named virtual sink, you may need to replace default.monitor with <sink_name>.monitor (run pactl list sinks short inside the op25 container to find the name).

Issue 2 — No audio URL / GCS credentials

storage.py: storage.Client() was using ADC but ADC isn't configured in the container. Now uses storage.Client.from_service_account_json(settings.gcp_credentials_path) when GCP_CREDENTIALS_PATH is set — same credential file Firebase already loads.

You also need to mount the key file into the server container in docker-compose.yml:

c2-core:
  volumes:
    - ./gcp-key.json:/app/gcp-key.json:ro
And set GCS_BUCKET=your-bucket-name in .env.

Issue 3 — Token orphaning

mqtt_manager.py: Every checkin now includes "discord_connected": radio_bot.is_connected.

mqtt_handler.py: On checkin, if discord_connected is explicitly False, calls release_token(node_id). Only fires on explicit false (missing field = unknown = no action).

node_sweeper.py: When a node is swept to offline, its token is released too. This covers the case where the node stops checking in entirely (crash/power loss).
2026-04-11 20:29:33 -04:00

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YAML

services:
icecast:
build: ./icecast
restart: unless-stopped
network_mode: host
environment:
ICECAST_SOURCE_PASSWORD: ${ICECAST_SOURCE_PASSWORD:-hackme}
ICECAST_ADMIN_PASSWORD: ${ICECAST_ADMIN_PASSWORD:-admin}
op25:
build: ./op25-container
restart: unless-stopped
privileged: true
network_mode: host
env_file: .env
volumes:
- ./configs:/configs
- /dev:/dev
- ./op25-container/app:/app
- pulse_socket:/run/pulse
depends_on:
- icecast
edge-node:
build: ./drb-edge-node
restart: unless-stopped
network_mode: host
env_file: .env
volumes:
- ./configs:/configs
- ./recordings:/recordings
- ./drb-edge-node/app:/app/app
- pulse_socket:/run/pulse
environment:
PULSE_SERVER: unix:/run/pulse/native
depends_on:
- icecast
- op25
volumes:
pulse_socket: