Prometheus integration for kubernetes

Author: Nasruddin

.idea/workspace.xml

@@ -2,11 +2,16 @@
 k8s_yaml([
     "kubernetes/infrastructure/keycloak/keycloak.yml",
     "kubernetes/infrastructure/postgres/postgres.yml",
-    "kubernetes/infrastructure/mongodb/mongodb.yml"
+    "kubernetes/infrastructure/mongodb/mongodb.yml",
+    "kubernetes/infrastructure/prometheus/prometheus.yml",
+    "kubernetes/infrastructure/grafana/grafana.yml"
+
 ])
 
 # Define infrastructure resources
 k8s_resource("keycloak", labels=["infra"], auto_init=True)
+k8s_resource("prometheus", labels=["infra"], auto_init=True)
+k8s_resource("grafana", labels=["infra"], auto_init=True)
 k8s_resource("course-postgres", labels=["infra"], auto_init=True)
 k8s_resource("review-mongodb", labels=["infra"], auto_init=True)
 

Tiltfile

@@ -0,0 +1,56 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: grafana
+  template:
+    metadata:
+      labels:
+        app: grafana
+    spec:
+      containers:
+        - name: grafana
+          image: grafana/grafana:latest
+          ports:
+            - containerPort: 3000
+          env:
+            - name: GF_SECURITY_ADMIN_PASSWORD
+              value: "admin"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana
+  labels:
+    app: grafana
+spec:
+  selector:
+    app: grafana
+  ports:
+    - protocol: TCP
+      port: 3000
+      targetPort: 3000
+  type: ClusterIP
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: grafana-ingress
+spec:
+  rules:
+    - host: grafana.local
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: grafana
+                port:
+                  number: 3000

kubernetes/infrastructure/grafana/grafana.yml

@@ -0,0 +1,76 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: prometheus-config
+data:
+  prometheus.yml: |
+    global:
+      scrape_interval: 15s
+    scrape_configs:
+      - job_name: 'spring-boot-app'
+        metrics_path: '/actuator/prometheus'
+        static_configs:
+          - targets: 
+            - 'course-composite-service:80'
+            - 'course-service:80'
+            - 'review-service:80'
+            - 'gateway-service:80'
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: prometheus
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: prometheus
+  template:
+    metadata:
+      labels:
+        app: prometheus
+    spec:
+      containers:
+        - name: prometheus
+          image: prom/prometheus:latest
+          args:
+            - "--config.file=/etc/prometheus/prometheus.yml"
+          ports:
+            - containerPort: 9090
+          volumeMounts:
+            - name: config-volume
+              mountPath: "/etc/prometheus/"
+      volumes:
+        - name: config-volume
+          configMap:
+            name: prometheus-config
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus
+spec:
+  selector:
+    app: prometheus
+  ports:
+    - port: 9090
+      targetPort: 9090
+      protocol: TCP
+  type: ClusterIP
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: prometheus-ingress
+spec:
+  rules:
+    - host: prometheus.local
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: prometheus
+                port:
+                  number: 9090