uf

k8s/app.yaml

@@ -21,6 +21,10 @@ spec:
     metadata:
       labels:
         app: server-sent-events
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "8080"
+        prometheus.io/path: "/actuator/prometheus"
     spec:
       containers:
         - name: server-sent-events
@@ -73,6 +77,21 @@ spec:
     - port: 80
       targetPort: 8080
 ---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: server-sent-events-service-monitor
+  namespace: sse
+  labels:
+    release: prometheus-operator
+spec:
+  selector:
+    matchLabels:
+      app: server-sent-events
+  endpoints:
+    - port: http-traffic
+      path: "/actuator/prometheus"
+---
 ## Uncomment to add ingress after adding ingress controller
 #apiVersion: networking.k8s.io/v1
 #kind: Ingress

scripts/k8s/apply.sh

@@ -1,5 +1,11 @@
-kubectl apply -f ../k8s/mysql.yaml
-kubectl apply -f ../k8s/kafka.yaml
-kubectl apply -f ../k8s/kafdrop.yaml
-kubectl apply -f ../k8s/es.yaml
-kubectl apply -f ../k8s/app.yaml
+kubectl create namespace argocd
+kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
+kubectl apply -f k8s/mysql.yaml
+kubectl apply -f k8s/kafka.yaml
+kubectl apply -f k8s/kafdrop.yaml
+kubectl create -f https://download.elastic.co/downloads/eck/2.9.0/crds.yaml
+kubectl apply -f https://download.elastic.co/downloads/eck/2.9.0/operator.yaml
+kubectl apply -f k8s/es.yaml
+kubectl create namespace prometheus
+helm install prometheus bitnami/kube-prometheus
+kubectl apply -f k8s/app.yaml

scripts/k8s/pf-argocd.sh

@@ -0,0 +1 @@
+kubectl port-forward svc/argocd-server -n argocd 8080:443

scripts/k8s/pf-prometheus.sh

@@ -0,0 +1 @@
+kubectl port-forward --namespace prometheus svc/prometheus-kube-prometheus-prometheus 9090:9090

src/main/resources/application.properties

@@ -18,4 +18,6 @@ kafka.topic.name=userevents
 spring.kafka.consumer.auto-offset-reset=earliest
 
 # Metrics/Actuator
-management.endpoints.web.exposure.include=*
+management.endpoints.web.exposure.include=*
+management.endpoint.health.show-details=always
+management.health.probes.enabled=true