ops: persist livekit-server and camera fleet as systemd 24/7 units

deploy/livekit-cameras.service

@@ -1,16 +1,20 @@
 [Unit]
 Description=Publish C920 cameras (speechbrain audio) to LiveKit
-After=network-online.target sound.target
+After=network-online.target sound.target livekit-server.service
 Wants=network-online.target
+Requires=livekit-server.service
 
 [Service]
 Type=simple
 WorkingDirectory=/home/fdenkena/livekit-cameras
 ExecStart=/home/fdenkena/livekit-cameras/.venv/bin/python /home/fdenkena/livekit-cameras/run.py
-Restart=on-failure
+Restart=always
 RestartSec=5
+TimeoutStopSec=30
+KillMode=control-group
 Environment=PYTHONUNBUFFERED=1
 Environment=LIVEKIT_URL=ws://127.0.0.1:7880
+Environment=ENHANCE_MODE=force
 
 [Install]
 WantedBy=multi-user.target

deploy/livekit-server.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=LiveKit server for the C920 camera fleet
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/livekit-server --config /home/fdenkena/livekit-cameras/deploy/livekit-server.yaml
+Restart=always
+RestartSec=2
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target

deploy/livekit-server.yaml

@@ -0,0 +1,13 @@
+port: 7880
+bind_addresses:
+  - 127.0.0.1
+  - 10.200.0.20
+keys:
+  devkey: devsecret
+rtc:
+  tcp_port: 7881
+  udp_port: 7882
+  use_external_ip: false
+  node_ip: 10.200.0.20
+logging:
+  level: info