amr-elshawarby / monitor-kubernetes-cluster-

Setting up Prometheus and Grafana in Minikube Cluster

This guide will help you set up Prometheus and Grafana in your Minikube cluster using Helm.

Prerequisites

Make sure you have the following prerequisites installed:

• Minikube
• Helm 3

Steps

1. Remove Docker (Optional)

If you already have Docker installed and want to remove it, you can use the following commands:

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

2. install Docker

1. Install yum-utils package:

   sudo yum install -y yum-utils

2. Add Docker repository:

   sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

3. Install Docker packages:

   sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

4. Start Docker service:

   sudo systemctl start docker

3. Install Minikube

1. Download Minikube binary:

   curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-latest.x86_64.rpm

2. Install Minikube:

   sudo rpm -Uvh minikube-latest.x86_64.rpm

3. Start Minikube cluster:

   minikube start

4. Install Helm

curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh

5. Install kubectl

1.Download the latest release with the command:

    curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"

2.Install kubectl

    sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

6. Add Prometheus Helm Repository

helm repo add prometheus-community https://prometheus-community.github.io/helm-charts

7. Install Prometheus

helm install prometheus prometheus-community/prometheus

8. Expose Prometheus Service

kubectl expose service prometheus-server --type=NodePort --target-port=9090 --name=prometheus-server-np

9. Add Grafana Helm Repository

helm repo add grafana https://grafana.github.io/helm-charts

10. Install Grafana

helm install grafana grafana/grafana

11. Expose Grafana Service

kubectl expose service grafana --type=NodePort --target-port=3000 --name=grafana-np

Conclusion