Disable semantic search by default (#12568)

* Disable semantic search by default and don't start processes unless enabled

* Conditionally create embeddings

* Fix typing

docker/main/rootfs/etc/s6-overlay/s6-rc.d/chroma/run

@@ -9,8 +9,19 @@ set -o errexit -o nounset -o pipefail
 # Tell S6-Overlay not to restart this service
 s6-svc -O .
 
-echo "[INFO] Starting ChromaDB..."
+search_enabled=`python3 /usr/local/semantic_search/get_search_settings.py | jq -r .enabled`
 
 # Replace the bash process with the Frigate process, redirecting stderr to stdout
 exec 2>&1
-exec /usr/local/chroma run --path /config/chroma --host 127.0.0.1
+
+if [[ "$search_enabled" == 'true' ]]; then
+    echo "[INFO] Starting ChromaDB..."
+    exec /usr/local/chroma run --path /config/chroma --host 127.0.0.1
+else
+    while true
+    do
+        sleep 9999
+        continue
+    done
+    exit 0
+fi