Create 30-monitoring

birdnet-pi/rootfs/custom-services.d/30-monitoring

@@ -0,0 +1,63 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+
+echo "Starting service: throttlerecording"
+touch "$HOME"/BirdSongs/StreamData/analyzing_now.txt
+
+# variables for readability
+srv="birdnet_recording"
+analyzing_now="."
+counter=10
+set +u
+source /config/birdnet.conf 2>/dev/null
+
+# Ensure folder exists
+ingest_dir="${$RECS_DIR/StreamData}"
+if [ ! -d "$ingest_dir" ]; then
+    mkdir -p "$ingest_dir"
+    chmod -R pi:pi
+fi
+
+# Other folder if no RTSP STREAM ?
+if [ -z "${RTSP_STREAM}" ]; then
+    ingest_dir=${RECS_DIR}/$(date +"%B-%Y/%d-%A")
+    if [ ! -d "$ingest_dir" ]; then
+        mkdir -p "$ingest_dir"
+        chmod -R pi:pi
+    fi
+fi
+
+while true; do
+    sleep 61
+
+    # Restart analysis if clogged
+    ############################
+
+    if (( counter <= 0 )); then
+       latest=$(cat "$RECS_DIR"/StreamData/analyzing_now.txt)
+       if [[ "$latest" == "$analyzing_now" ]]; then
+          echo "$(date) WARNING no change in analyzing_now for 10 iterations, restarting services"
+          sudo -u pi "$HOME"/BirdNET-Pi/scripts/restart_services.sh
+       fi
+       counter=10
+       analyzing_now=$(cat "$HOME"/BirdSongs/StreamData/analyzing_now.txt)
+    fi
+
+    # Pause recorder to catch-up
+    ############################
+
+    wavs=$(find ${ingest_dir} -maxdepth 1 -name '*.wav' | wc -l)
+    state=$(systemctl is-active "$srv")
+
+    echo "$(date)    INFO ${wavs} wav files waiting in $(readlink -f $ingest_dir), $srv state is $state"
+
+    if (( wavs > 100 )) && [[ "$state" == "active" ]]; then
+        sudo systemctl stop "$srv"
+        echo "$(date) WARNING stopped $srv service"
+    elif (( wavs <= 100 )) && [[ "$state" == "inactive" ]]; then
+        sudo systemctl start $srv
+        echo "$(date)    INFO started $srv service"
+    fi
+
+    ((counter--))
+done