Kubernetes Monitoring Stack

Name: deploy-monitor
Rating: 76
Author: tayyabfayyaz

Deploy comprehensive observability with Prometheus, Grafana, and Fluentd.

Components

Component	Purpose	Port
Prometheus	Metrics collection	9090
Grafana	Dashboards & visualization	3000
Fluentd	Log aggregation	-

Quick Deploy

bash

# Deploy all monitoring components
kubectl apply -f deploy/kubernetes/monitoring/prometheus/
kubectl apply -f deploy/kubernetes/monitoring/grafana/
kubectl apply -f deploy/kubernetes/monitoring/fluentd/

Create Monitoring Namespace

bash

kubectl create namespace monitoring --dry-run=client -o yaml | kubectl apply -f -

Deploy Prometheus

bash

kubectl apply -f deploy/kubernetes/monitoring/prometheus/

# Verify
kubectl get pods -n monitoring -l app=prometheus
kubectl rollout status deployment/prometheus -n monitoring

What Prometheus collects:

•Kubernetes pod/node metrics
•Dapr sidecar metrics (port 9090)
•Application metrics (with prometheus annotations)

Deploy Grafana

bash

kubectl apply -f deploy/kubernetes/monitoring/grafana/

# Verify
kubectl get pods -n monitoring -l app=grafana
kubectl rollout status deployment/grafana -n monitoring

Default credentials: admin / admin123

Deploy Fluentd

bash

kubectl apply -f deploy/kubernetes/monitoring/fluentd/

# Verify (DaemonSet - one pod per node)
kubectl get pods -n monitoring -l app=fluentd

Access Dashboards

Port Forwarding:

bash

# Prometheus
kubectl port-forward svc/prometheus 9090:9090 -n monitoring &
echo "Prometheus: http://localhost:9090"

# Grafana
kubectl port-forward svc/grafana 3001:3000 -n monitoring &
echo "Grafana: http://localhost:3001"

NodePort (Minikube):

bash

kubectl patch svc prometheus -n monitoring -p '{"spec": {"type": "NodePort"}}'
kubectl patch svc grafana -n monitoring -p '{"spec": {"type": "NodePort"}}'

echo "Prometheus: http://$(minikube ip):$(kubectl get svc prometheus -n monitoring -o jsonpath='{.spec.ports[0].nodePort}')"
echo "Grafana: http://$(minikube ip):$(kubectl get svc grafana -n monitoring -o jsonpath='{.spec.ports[0].nodePort}')"

Useful Dashboards

Import these Grafana dashboard IDs:

•315: Kubernetes Cluster Overview
•1860: Node Exporter Full
•6417: Kubernetes Pods
•13770: Dapr Dashboard

Dapr Dashboard

bash

dapr dashboard -k -n dapr-system

Verify Metrics Collection

bash

# Check Prometheus targets
curl -s http://localhost:9090/api/v1/targets | jq '.data.activeTargets | length'

# Check Grafana datasources
curl -s http://admin:admin123@localhost:3001/api/datasources | jq '.[].name'

Cleanup

bash

kubectl delete namespace monitoring