Adding more detailed information to make it easier to filter the data in Grafana for plotting

app.py

@@ -2,6 +2,7 @@
 import os
 import requests
 import time
+import re
 
 from flask import render_template, Flask, make_response, Response
 
@@ -57,6 +58,11 @@ def metrics():
                             attrib["currentValue"] = 1
                         else:
                             attrib["currentValue"] = 0
+                    if attrib["name"] == "water":
+                        if attrib["currentValue"] == "dry":
+                            attrib["currentValue"] = 1
+                        else:
+                            attrib["currentValue"] = 0
                     if attrib["name"] == "power":
                         if attrib["currentValue"] == "on":
                             attrib["currentValue"] = 1
@@ -65,13 +71,20 @@ def metrics():
                         else:
                             attrib["currentValue"] = attrib["currentValue"]
 
-                    # Sanitise the device name as it will appear in the label
-                    device_name = device_details['label'].lower().replace(' ','_').replace('-','_')
-                    # Sanitise the metric name 
-                    metric_name = attrib['name'].lower().replace(' ','_').replace('-','_')
+                    # Sanitize to allow Prometheus Ingestion
+                    device_name = sanitize(device_details['name'])
+                    device_label = sanitize(device_details['label'])
+                    device_human_label = device_details['label']
+                    device_type = sanitize(device_details['type'])
+                    device_id = sanitize(device_details['id'])
+                    metric_name = sanitize(attrib['name'])
                     # Create the dict that holds the data
                     device_attributes.append({
                         "device_name": f"{device_name}",
+                        "device_label": f"{device_label}",
+                        "device_human_label": f"{device_human_label}",
+                        "device_type": f"{device_type}",
+                        "device_id": f"{device_id}",
                         "metric_name": f"{metric_name}",
                         "metric_value": f"{attrib['currentValue']}",
                         "metric_timestamp": time.time()})
@@ -83,5 +96,5 @@ def metrics():
     response.mimetype = "text/plain"
     return response
 
-
-
+def sanitize(inputValue):
+    return re.sub('[^a-z0-9]+', '_', inputValue.lower())

templates/base.txt

@@ -1,3 +1,3 @@
 {% for device in device_details %}
-{{ device["metric_name"] }}{device_name="{{device['device_name']}}"} {{ device["metric_value"] }}
+{{ device["metric_name"] }}{device_name="{{device['device_name']}}",device_human_label="{{device['device_human_label']}}",device_label="{{device['device_label']}}",device_type="{{device['device_type']}}",device_id="{{device['device_id']}}"} {{ device["metric_value"] }}
 {% endfor %}