export network bandwidth stats

README.md

@@ -9,9 +9,10 @@ Exports from Frigate API:
 - Inference Speed
 - CPU and MEM process stats
 - Camera, detection and skipped FPS 
+- Camera audio stats
 - Storage total, used and free
 - Device Temperature (Coral temp)
-- Event counter for each camera label
+- Event counters for detected labels on each camera
 
 [Docker Hub](https://hub.docker.com/r/rhysbailey/prometheus-frigate-exporter)
 
@@ -39,6 +40,14 @@ The default internal exporter port can be modified with `-e "PORT=9100"`
 
 Metrics are available at http://localhost:9100/metrics
 
+If you want to export network bandwidth stats, include the section below in your Frigate config (see [here](https://docs.frigate.video/configuration/reference)): 
+
+```yml
+telemetry:
+  stats:
+    network_bandwidth: True
+```
+
 ### Setup Prometheus
 
 If you don't already have Prometheus set up to scrape the `prometheus-frigate-exporter` metrics,

prometheus_frigate_exporter.py

@@ -220,6 +220,32 @@ class CustomCollector(object):
         yield storage_total
         yield storage_used
         
+        # bandwidth stats
+        bandwidth_usages = GaugeMetricFamily('frigate_bandwidth_usages_kBps', 'bandwidth usages kilobytes per second', labels=['pid', 'name', 'process', 'type', 'cmdline'])
+
+        try:
+            for b_pid, b_stats in stats['bandwidth_usages'].items():
+                label = [b_pid]  # pid label
+                try:
+                    n = stats['cpu_usages'][b_pid]['cmdline']
+                    for p_name, p_stats in stats['processes'].items():
+                        if str(p_stats['pid']) == b_pid:
+                            n = p_name
+                            break
+                    
+                    # new frigate:0.13.0-beta3 stat 'cmdline'
+                    label.append(n)  # name label
+                    label.append(stats['cpu_usages'][b_pid]['cmdline'])  # process label
+                    label.append('Other')  # type label
+                    label.append(stats['cpu_usages'][b_pid]['cmdline'])  # cmdline label
+                    add_metric(bandwidth_usages, label, b_stats, 'bandwidth')
+                except KeyError:
+                    pass
+        except KeyError:
+            pass
+
+        yield bandwidth_usages
+        
         # count events
         events = []
         try: