Anul 3 Semestrul 2

Anul 3/Semestrul 2/Licenta/Practical/k8s/prometheus.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  # Creating a new service to expose the existing one.
+  # This avoids modifying the original service managed by a package manager like Helm.
+  name: prometheus-grafana-external
+  namespace: monitoring
+  labels:
+    app.kubernetes.io/name: grafana-external
+spec:
+  # Exposes the Service externally using a cloud provider's load balancer.
+  type: LoadBalancer
+  ports:
+    - name: http
+      # The port the service is exposed on externally and internally.
+      # The load balancer will forward traffic from this port.
+      port: 9000
+      # The port on the pod that the service forwards traffic to.
+      # Based on your original command, this is likely 3000 for Grafana.
+      targetPort: 3000
+      protocol: TCP
+  # This selector is crucial. It must match the labels of the pods you want to target.
+  # The 'prometheus-grafana' service likely targets pods with a label like this.
+  # Please verify the correct labels for your Grafana pods.
+  selector:
+    app.kubernetes.io/instance: prometheus
+    app.kubernetes.io/name: grafana
+
+---
+
+
+apiVersion: v1
+kind: Service
+metadata:
+  # Creating a new service to avoid modifying the original one.
+  name: prometheus-external
+  namespace: monitoring
+  labels:
+    app.kubernetes.io/name: prometheus-external
+spec:
+  # This type will provision an external load balancer.
+  type: LoadBalancer
+  ports:
+    - name: http-prometheus
+      protocol: TCP
+      # The external port the load balancer will listen on.
+      port: 9090
+      # The port on the Prometheus pods to forward traffic to.
+      targetPort: 9090
+  # This selector is crucial. It tells the service which pods to send traffic to.
+  # For the kube-prometheus stack, the pods are typically labeled like this.
+  # Please verify this matches your setup.
+  selector:
+    app.kubernetes.io/name: prometheus
+    # It's possible an instance label is also required, such as:
+    # app.kubernetes.io/instance: prometheus-kube-prometheus-prometheus
+    # Add it to the selector if your pods have it.