Add alert for load usage

roles/prometheus/templates/prometheus/alert.rules.yml.j2

@@ -59,6 +59,15 @@ groups:
       severity: warning
     annotations:
       summary: "{{ $labels.name }} a échoué sur {{ $labels.instance }}"
+
+  # Check load of instance
+  - alert: LoadUsage
+    expr: node_load1 > 5
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: "La charge de {{ $labels.instance }} est à {{ $value }} % !"
   
   # Check UPS
   - alert: UpsOutputSourceChanged

roles/prometheus_federate/templates/prometheus/alert.rules.yml.j2

@@ -60,6 +60,15 @@ groups:
     annotations:
       summary: "Federate : {{ $labels.name }} a échoué sur {{ $labels.exported_instance }}"
 
+  # Check load of instance
+  - alert: LoadUsage
+    expr: node_load1 > 5
+    for: 2m
+    labels:
+      severity: warning
+    annotations:
+      summary: "Federate : la charge de {{ $labels.exported_instance }} est à {{ $value }} % !"
+
   # Check UPS
   - alert: UpsOutputSourceChanged
     expr: upsOutputSource != 3