commit df437560068d5710457e0ea6f8f4e8bc2ac74a71
Author: Rhys Bailey <bai.rhys@gmail.com>
Date:   Sun Feb 12 22:47:45 2023 +1100

    Initial commit

diff --git a/.gitattributes b/.gitattributes
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+++ b/.gitattributes
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+# Auto detect text files and perform LF normalization
+* text=auto
diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+FROM alpine
+RUN apk update && apk add py3-prometheus-client
+COPY prometheus_frigate_exporter.py /var/python_scripts/prometheus_frigate_exporter.py
+CMD  /usr/bin/python3 /var/python_scripts/prometheus_frigate_exporter.py $FRIGATE_STATS_URL
+
+# docker build -t prometheus_frigate_exporter .
\ No newline at end of file
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# Prometheus Frigate stats exporter 
+
+This is a docker container that runs a Prometheus exporter for [Frigate](https://frigate.video/) stats.
+
+Tested with ghcr.io/blakeblackshear/frigate:0.12.0-beta6 docker image with a single Intel OpenVINO detector.
+
+## Run the exporter
+
+Modify the `FRIGATE_STATS_URL` environment variable below to point to your [Frigate API stats](https://docs.frigate.video/integrations/api#get-apistats). Then run the container:
+
+```bash
+docker run -d -p 9100:9100 -e "FRIGATE_STATS_URL=http://<your-frigate-ip>:5000/api/stats" --name prometheus_frigate_exporter prometheus_frigate_exporter
+```
+
+Metrics are available at http://localhost:9100/metrics
\ No newline at end of file
diff --git a/grafana-screenshot.png b/grafana-screenshot.png
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index 0000000..8bf4a76
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diff --git a/grafana_model b/grafana_model
new file mode 100644
index 0000000..bf257b0
--- /dev/null
+++ b/grafana_model
@@ -0,0 +1,1176 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "-- Grafana --"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": 3,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "custom": {
+            "align": "center",
+            "displayMode": "auto",
+            "inspect": false
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": [
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+            "matcher": {
+              "id": "byName",
+              "options": "version"
+            },
+            "properties": [
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+                "id": "custom.width",
+                "value": 0
+              }
+            ]
+          }
+        ]
+      },
+      "gridPos": {
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+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
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+      "maxDataPoints": 1,
+      "options": {
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+          "fields": "",
+          "reducer": [
+            "sum"
+          ],
+          "show": false
+        },
+        "showHeader": true,
+        "sortBy": []
+      },
+      "pluginVersion": "9.3.6",
+      "targets": [
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+          "datasource": {
+            "type": "prometheus",
+            "uid": "jg7n1Vzre"
+          },
+          "editorMode": "builder",
+          "exemplar": false,
+          "expr": "frigate_service_info",
+          "format": "table",
+          "instant": false,
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Frigate Info",
+      "type": "table"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
+      },
+      "description": "",
+      "fieldConfig": {
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+          "color": {
+            "mode": "thresholds"
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+          "mappings": [],
+          "thresholds": {
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+            "steps": [
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+                "value": 80
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+          "unit": "ms"
+        },
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+      "options": {
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+      "pluginVersion": "9.3.6",
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+            "type": "prometheus",
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+          "expr": "frigate_detector_inference_speed_seconds*1000",
+          "legendFormat": "{{name}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Inference Speed",
+      "type": "gauge"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
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+          "mappings": [],
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+      "title": "GPU utilisation %",
+      "type": "timeseries"
+    },
+    {
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+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
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+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
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+            "lineInterpolation": "linear",
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+            "scaleDistribution": {
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+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
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+            "thresholdsStyle": {
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+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
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+              },
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+          "range": true,
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+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "jg7n1Vzre"
+          },
+          "editorMode": "builder",
+          "expr": "frigate_camera_fps",
+          "legendFormat": "{{camera}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Camera FPS",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "percent"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 6,
+        "w": 12,
+        "x": 12,
+        "y": 33
+      },
+      "id": 21,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "jg7n1Vzre"
+          },
+          "editorMode": "builder",
+          "expr": "frigate_gpu_mem_usage_percent",
+          "legendFormat": "{{gpu}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "GPU memory usage %",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "axisSoftMax": 5,
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "fps"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 34
+      },
+      "id": 8,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "jg7n1Vzre"
+          },
+          "editorMode": "builder",
+          "expr": "frigate_skipped_fps",
+          "legendFormat": "{{camera}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Skipped FPS",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "jg7n1Vzre"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "s"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 39
+      },
+      "id": 28,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "jg7n1Vzre"
+          },
+          "editorMode": "builder",
+          "expr": "scrape_duration_seconds{job=\"frigate\"}",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Scrape Duration",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "1m",
+  "schemaVersion": 37,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-5m",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "Frigate",
+  "uid": "rfryG56W7",
+  "version": 22,
+  "weekStart": ""
+}
\ No newline at end of file
diff --git a/prometheus_frigate_exporter.py b/prometheus_frigate_exporter.py
new file mode 100644
index 0000000..6485334
--- /dev/null
+++ b/prometheus_frigate_exporter.py
@@ -0,0 +1,126 @@
+from prometheus_client.core import GaugeMetricFamily, InfoMetricFamily, REGISTRY
+from prometheus_client import start_http_server
+from urllib.request import urlopen
+import json
+import re
+import time
+import sys
+import logging
+
+class CustomCollector(object):
+
+    def __init__(self, url):
+        self.url = url
+
+    def collect(self):
+        data = json.loads(urlopen(self.url).read())
+
+        # camera stats
+        ffmpeg_pid = GaugeMetricFamily('frigate_ffmpeg_pid', 'PID for ffmpeg process', labels=['camera'])
+        capture_pid = GaugeMetricFamily('frigate_capture_pid', 'PID for the ffmpeg process that consumes this camera', labels=['camera'])
+        detect_pid = GaugeMetricFamily('frigate_detect_pid', 'PID for the process that runs detection for this camera', labels=['camera'])     
+        camera_fps = GaugeMetricFamily('frigate_camera_fps', 'Frames per second being consumed from your camera.', labels=['camera'])
+        detection_fps = GaugeMetricFamily('frigate_detection_fps', 'Number of times detection is run per second.', labels=['camera'])
+        process_fps = GaugeMetricFamily('frigate_process_fps', 'Frames per second being processed by frigate.', labels=['camera'])
+        skipped_fps = GaugeMetricFamily('frigate_skipped_fps', 'Frames per second skip for processing by frigate.', labels=['camera'])
+        detection_enabled = GaugeMetricFamily('frigate_detection_enabled', 'Detection enabled for camera', labels=['camera'])
+
+        for d in data:
+            try:
+                ffmpeg_pid.add_metric([d], float(data[d]['ffmpeg_pid']))
+                detect_pid.add_metric([d], float(data[d]['pid']))
+                capture_pid.add_metric([d], float(data[d]['capture_pid']))
+                camera_fps.add_metric([d], (data[d]['camera_fps']))
+                detection_fps.add_metric([d], float(data[d]['detection_fps']))
+                process_fps.add_metric([d], float(data[d]['process_fps']))
+                skipped_fps.add_metric([d], float(data[d]['skipped_fps']))
+                detection_enabled.add_metric([d], float(data[d]['detection_enabled']))
+            except (AttributeError, TypeError, KeyError):
+                pass
+
+        yield ffmpeg_pid
+        yield capture_pid
+        yield detect_pid
+        yield camera_fps
+        yield detection_fps
+        yield process_fps
+        yield skipped_fps
+        yield detection_enabled
+
+        # detector stats
+        yield GaugeMetricFamily('frigate_detection_total_fps', 'Sum of detection_fps across all cameras and detectors.', value=data['detection_fps'])
+
+        detector_inference_speed = GaugeMetricFamily('frigate_detector_inference_speed_seconds', 'Time spent running object detection in seconds.', labels=['name'])
+        detector_pid = GaugeMetricFamily('frigate_detector_pid', 'PID for the shared process that runs object detection on the detector', labels=['name'])
+        
+        for d in data['detectors']:
+            detector_inference_speed.add_metric([d], data['detectors'][d]['inference_speed']/1000.0) # ms to seconds
+            detector_pid.add_metric([d], data['detectors'][d]['pid'])
+
+        yield detector_inference_speed
+        yield detector_pid
+
+        # process stats
+        cpu_usages = GaugeMetricFamily('frigate_cpu_usage_percent', 'Process CPU usage %', labels=['pid'])
+        mem_usages = GaugeMetricFamily('frigate_mem_usage_percent', 'Process memory usage %', labels=['pid'])
+
+        data['cpu_usages'].pop('Tasks:')
+        for d in data['cpu_usages']:
+            cpu_usages.add_metric([d], float(data['cpu_usages'][d]['cpu']))
+            mem_usages.add_metric([d], float(data['cpu_usages'][d]['mem']))
+
+        yield cpu_usages
+        yield mem_usages
+
+        # gpu stats
+        gpu_usages = GaugeMetricFamily('frigate_gpu_usage_percent', 'GPU utilisation %', labels=['gpu'])
+        gpu_mem_usages = GaugeMetricFamily('frigate_gpu_mem_usage_percent', 'GPU memory usage %', labels=['gpu'])
+
+        for d in data['gpu_usages']:
+            try:
+                gpu_usages.add_metric([d], float(re.findall(r'\d+', data['gpu_usages'][d]['gpu'])[0]))
+                mem_usages.add_metric([d], float(re.findall(r'\d+', data['gpu_usages'][d]['mem'])[0])) # no value for me
+            except IndexError:
+                pass
+        
+        yield gpu_usages
+        yield gpu_mem_usages
+
+        # service stats
+        yield GaugeMetricFamily('frigate_service_last_updated_timestamp', 'Stats recorded time (unix timestamp)', value=data['service']['last_updated'])
+        info = {'latest_version': data['service']['latest_version'], 'version': data['service']['version']}
+        yield InfoMetricFamily('frigate_service', 'Frigate version info', value=info)
+        yield GaugeMetricFamily('frigate_service_uptime_seconds', 'Uptime seconds', value=data['service']['uptime'])
+        # temperatures: no data for me
+
+        storage_free = GaugeMetricFamily('frigate_storage_free_bytes', 'Storage free bytes', labels=['storage'])
+        storage_mount_type = InfoMetricFamily('frigate_storage_mount_type', 'Storage mount type', labels=['storage'])
+        storage_total = GaugeMetricFamily('frigate_storage_total_bytes', 'Storage total bytes', labels=['storage'])
+        storage_used = GaugeMetricFamily('frigate_storage_used_bytes', 'Storage used bytes', labels=['storage'])
+
+        for d in data['service']['storage']:
+            storage_free.add_metric([d], data['service']['storage'][d]['free']*1e6) #MB to bytes
+            storage_total.add_metric([d], (data['service']['storage'][d]['total']*1e6))
+            storage_used.add_metric([d], (data['service']['storage'][d]['used']*1e6))
+            storage_mount_type.add_metric([d],  {'mount_type': data['service']['storage'][d]['mount_type']})
+
+        yield storage_free
+        yield storage_mount_type
+        yield storage_total
+        yield storage_used
+
+
+if __name__ == '__main__':
+    logging.basicConfig(format='%(asctime)s - %(message)s', level=logging.INFO)
+
+    if len(sys.argv) < 1:
+        logging.info("Provide Frigate stats url, e.g. http://<your-frigate-ip>:5000/api/stats")
+
+    REGISTRY.register(CustomCollector(sys.argv[1]))
+    start_http_server(9100)
+
+    logging.info('Started: ' + sys.argv[1])
+    
+    while True: time.sleep(1)
+
+    logging.info("Finished")
\ No newline at end of file