Add Apache status monitoring to Helm chart

helm/php-homepage/values.yaml

@@ -16,6 +16,10 @@ fullnameOverride: ""
 deploymentAnnotations: {}
 podAnnotations: {}
 
+apache:
+  serverAdmin: webmaster@localhost
+  statusPort: 8080
+
 strategy:
   type: RollingUpdate
   rollingUpdate:
@@ -26,6 +30,38 @@ service:
   type: ClusterIP
   port: 80
 
+metrics:
+  enabled: false
+  image:
+    repository: quay.io/lusitaniae/apache-exporter
+    tag: v1.1.1
+    pullPolicy: IfNotPresent
+  port: 9117
+  resources: {}
+  serviceMonitor:
+    enabled: false
+    interval: 30s
+    scrapeTimeout: 10s
+    labels: {}
+    annotations: {}
+  prometheusRule:
+    enabled: false
+    labels: {}
+    annotations: {}
+    exporterDown:
+      enabled: true
+      for: 5m
+      severity: warning
+    apacheDown:
+      enabled: true
+      for: 5m
+      severity: critical
+    workerSaturation:
+      enabled: true
+      threshold: 0.9
+      for: 10m
+      severity: warning
+
 persistence:
   enabled: true
   existingClaim: ""