- CLOUD COMPUTING & DEVOPS
- Reviews
Kubernetes cluster setup via Terraform + Ansible
Why Choose This Project?
Modern enterprises rely on Kubernetes for container orchestration, but manual setup can be complex and error-prone. Automating Kubernetes cluster provisioning with Terraform (IaC) and Ansible (configuration management) ensures scalability, consistency, and repeatability across multiple environments. This project teaches DevOps best practices while enabling students and professionals to build production-ready clusters in a cloud environment.
What You Get
Automated Kubernetes cluster provisioning using Terraform
Configuration management and setup automation with Ansible
Secure, scalable, and production-ready deployment
Multi-cloud support (AWS, Azure, GCP)
Real-world DevOps & SRE experience
Key Features
| Feature | Description |
|---|---|
| Infrastructure as Code (IaC) | Use Terraform to define and provision Kubernetes clusters across AWS/Azure/GCP. |
| Automated Configuration | Use Ansible playbooks to configure cluster components (kubeadm, networking, storage). |
| Networking Setup | Deploy CNI plugins (Calico/Flannel) for pod networking. |
| Cluster Security | Automate RBAC roles, TLS certificates, and node hardening. |
| Scalability | Easily scale worker nodes using Terraform variables. |
| Multi-Environment Support | Separate dev, staging, and production clusters. |
| Monitoring & Logging | Optionally deploy Prometheus & Grafana for observability. |
| Idempotent & Repeatable | Ensure consistent cluster setup every time. |
Technology Stack
Infrastructure Layer
-
Terraform – Cluster provisioning (EC2, VMs, VPC, Load Balancer, etc.)
-
Cloud Provider – AWS, Azure, or GCP
Configuration Layer
-
Ansible – Cluster bootstrap, kubeadm installation, networking, addons
Orchestration Layer
-
Kubernetes – Container orchestration platform
Monitoring/Logging (Optional)
-
Prometheus + Grafana
-
ELK Stack
Cloud Services Used
-
AWS → EC2, VPC, Security Groups, ELB
-
Azure → VMs, Virtual Networks, Load Balancers
-
GCP → Compute Engine, VPC, Firewall rules
Working Flow
-
Provisioning
-
Use Terraform scripts to create VMs, networking, and security groups.
-
Define cluster size and node roles via variables.
-
-
Configuration
-
Run Ansible playbooks to install Docker/containerd, kubeadm, kubelet.
-
Initialize master node and join worker nodes.
-
-
Networking
-
Deploy a CNI plugin (Calico/Flannel) for pod-to-pod communication.
-
-
Cluster Setup
-
Configure RBAC, kubeconfig, and TLS certificates.
-
Deploy monitoring (Prometheus/Grafana) and logging (ELK).
-
-
Validation
-
Verify node readiness with
kubectl get nodes. -
Deploy a test app (e.g., Nginx) to ensure functionality.
-
Main Modules
-
Terraform Module → Provision VMs, networking, load balancers
-
Ansible Module → Install dependencies, initialize Kubernetes, join worker nodes
-
Networking Module → Deploy CNI (Calico/Flannel)
-
Security Module → Configure RBAC, TLS, firewall rules
-
Monitoring Module (Optional) → Prometheus/Grafana dashboards
Security Features
TLS for API server & node communication
RBAC for user and service account access control
Firewall rules for cluster node communication
Automated Ansible hardening scripts