ha - metrics add load and mem usage

ph4_metrics/ha/sensor.yaml

@@ -7,3 +7,13 @@
       state_topic: "metrics/liv"
       value_template: "{{ value_json.temp_zone1 }}"
       unit_of_measurement: "C"
+
+    - name: "Load Avg 1"
+      state_topic: "metrics/liv"
+      value_template: "{{ value_json.load_avg1 }}"
+      unit_of_measurement: "u"
+
+    - name: "Mem Percent"
+      state_topic: "metrics/liv"
+      value_template: "{{ value_json.mem_percent }}"
+      unit_of_measurement: "%"

ph4_metrics/ph4_metrics/metrics.py

@@ -4,13 +4,16 @@
 from typing import Optional
 
 import paho.mqtt.client as mqtt  # paho-mqtt
+import psutil
 from attr import dataclass
 
 
 @dataclass
 class Metrics:
     temp_zone0: Optional[float] = None
     temp_zone1: Optional[float] = None
+    load_avg_1: Optional[float] = None
+    mem_percent: Optional[float] = None
 
 
 class Bark:
@@ -44,6 +47,8 @@ def publish(self):
             {
                 "temp_zone0": self.metrics.temp_zone0,
                 "temp_zone1": self.metrics.temp_zone1,
+                "load_avg1": self.metrics.load_avg_1,
+                "mem_percent": self.metrics.mem_percent,
             },
         )
 
@@ -59,6 +64,12 @@ def compute_metrics(self):
             self.metrics.temp_zone0 = self.read_temp("/sys/class/thermal/thermal_zone0/temp")
             self.metrics.temp_zone1 = self.read_temp("/sys/class/thermal/thermal_zone1/temp")
 
+            load_avg = psutil.getloadavg()
+            self.metrics.load_avg_1 = load_avg[0]
+
+            memory = psutil.virtual_memory()
+            self.metrics.mem_percent = memory.percent
+
         except Exception as e:
             print(f"Error in metrics collection {e}")
 

ph4_metrics/setup.py

@@ -9,6 +9,7 @@
     "future",
     "coloredlogs",
     "paho-mqtt",
+    "psutil",
 ]
 
 dev_extras = [