frigate: Add USB Coral detector

host_vars/frigate02.home.foo.sh.yml

@@ -11,3 +11,5 @@ network_interfaces:
     netmask: 255.255.255.0
     proto: static
     nameservers: [172.20.26.1, 172.20.26.3]
+virt_install_devices:
+  - 004.003

roles/frigate/files/99-frigate.rules

@@ -0,0 +1 @@
+SUBSYSTEM=="tty", ATTRS{idVendor}=="1a6e", ATTRS{idProduct}=="089a", MODE="0660", GROUP="frigate"

roles/frigate/tasks/main.yml

@@ -10,6 +10,20 @@
     group: frigate
     shell: /sbin/nologin
 
+- name: Allow podman to use devices
+  ansible.posix.seboolean:
+    name: container_use_devices
+    state: true
+    persistent: true
+
+- name: Allow frigate to connect specific devices
+  ansible.builtin.copy:
+    dest: /etc/udev/rules.d/99-frigate.rules
+    src: 99-frigate.rules
+    mode: "0644"
+    owner: root
+    group: "{{ ansible_wheel }}"
+
 - name: Create config
   ansible.builtin.template:
     dest: /etc/frigate.yml

roles/frigate/templates/frigate-container.service.j2

@@ -11,6 +11,7 @@ ExecStart=/usr/bin/podman run \
     --volume /srv/frigate/config:/config:rw \
     --volume /etc/frigate.yml:/config/config.yml:ro \
     --volume /srv/frigate/media:/media/frigate:rw \
+    --volume /dev/bus/usb:/dev/bus/usb:rw \
     ghcr.io/blakeblackshear/frigate:{{ frigate_version }}
 ExecStop=/usr/bin/podman stop --ignore frigate
 ExecStopPost=/usr/bin/podman rm -f --ignore frigate

roles/frigate/templates/frigate.yml.j2

@@ -2,6 +2,11 @@
 mqtt:
   enabled: false
 
+detectors:
+  coral:
+    type: edgetpu
+    device: usb
+
 cameras:
 {% for camera in cctv_cameras %}
   {{ camera.name }}: