🚀 Azure Terraform AKS GitOps Framework

🔥 Enterprise-grade Infrastructure as Code (IaC) framework for deploying and managing Azure Kubernetes Service (AKS) clusters using Terraform and GitOps principles.

Getting Started • Architecture • Features • Contributing • Documentation

🎯 Key Features

🌟 Infrastructure as Code (Terraform)

• 📦 Modular Terraform structure for AKS deployment
• 🔐 Azure RBAC & Security best practices
• 🌐 Multi-environment support (Dev, Staging, Prod)
• 🔄 Remote state management with Azure Storage
• 🔑 Key Vault integration for secrets management

🛡️ Azure Kubernetes Service (AKS)

• 🔒 Private cluster setup with advanced networking
• 🎮 Auto-scaling node pools
• 🔑 Azure AD integration
• 🚦 Network policies and security
• 🔄 Container registry integration

🔄 GitOps Implementation

• 🚢 Flux v2 for continuous delivery
• 📊 Progressive delivery with Flagger
• 🔍 Kustomize for manifest management
• 🎯 Helm charts integration
• 📝 Automated configuration management

📈 Azure DevOps Integration

• 🔄 CI/CD pipeline templates
• 📊 Infrastructure deployment workflows
• 🔍 Pull request validation
• 🎯 Automated testing
• 📝 Release management

🏗️ Solution Architecture

graph TD
    subgraph Azure["Azure Cloud"]
        AKS[AKS Cluster]
        ACR[Container Registry]
        KV[Key Vault]
        VNET[Virtual Network]
    end
    
    subgraph IaC["Infrastructure as Code"]
        TF[Terraform Modules]
        STATE[Azure Storage State]
    end
    
    subgraph GitOps["GitOps Layer"]
        FLUX[Flux CD]
        HELM[Helm Charts]
        KUST[Kustomize]
    end
    
    subgraph DevOps["CI/CD"]
        ADO[Azure DevOps]
        PIPE[Pipelines]
    end
    
    TF -->|provisions| AKS
    TF -->|configures| VNET
    TF -->|sets up| ACR
    TF -->|manages| KV
    
    FLUX -->|manages| AKS
    HELM -->|deploys to| AKS
    KUST -->|customizes| HELM
    
    ADO -->|triggers| PIPE
    PIPE -->|applies| TF
    PIPE -->|updates| FLUX

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🚀 Getting Started

Prerequisites

# Required tools
az --version        # Azure CLI >= 2.40.0
terraform --version # Terraform >= 1.0.0
kubectl version     # kubectl >= 1.24
flux --version      # Flux >= 0.38.0

Quick Start

# Clone the repository
git clone https://github.com/yourusername/aztf-aks-gitops.git

# Setup Azure credentials
az login
az account set --subscription <subscription-id>

# Initialize Terraform
cd terraform/environments/dev
terraform init

# Deploy infrastructure
terraform plan -out=tfplan
terraform apply tfplan

# Configure GitOps
flux bootstrap github \
  --owner=<your-github-username> \
  --repository=aztf-aks-gitops \
  --branch=main \
  --path=clusters/dev

📚 Repository Structure

aztf-aks-gitops/
├── terraform/
│   ├── modules/
│   │   ├── aks/          # AKS cluster configuration
│   │   ├── acr/          # Container registry setup
│   │   ├── networking/   # Virtual network and subnets
│   │   └── security/     # Key Vault and RBAC
│   └── environments/
│       ├── dev/
│       ├── staging/
│       └── prod/
├── kubernetes/
│   ├── base/             # Base Kubernetes manifests
│   └── overlays/         # Environment-specific overlays
├── gitops/
│   ├── flux/            # Flux configuration
│   ├── helm/            # Helm charts
│   └── kustomize/       # Kustomize patches
└── pipelines/
    ├── terraform/       # IaC pipelines
    └── applications/    # Application pipelines

💡 Use Cases

1. Enterprise Kubernetes Platform

   • Secure, scalable AKS deployment
   • Multi-tenant architecture
   • Compliance-ready configurations

2. GitOps-Driven Deployments

   • Automated application rollouts
   • Configuration management
   • Drift detection and reconciliation

3. DevSecOps Implementation

   • Integrated security scanning
   • Policy enforcement
   • Compliance monitoring

📈 Implementation Timeline

gantt
    title Project Implementation Phases
    dateFormat  YYYY-MM-DD
    section Infrastructure
    AKS Setup           :done,    des1, 2024-01-01, 2024-01-15
    Networking          :done,    des2, 2024-01-15, 2024-01-30
    Security Controls   :active,  des3, 2024-02-01, 2024-02-15
    section GitOps
    Flux Setup         :done,    des4, 2024-01-15, 2024-01-30
    App Deployments    :active,  des5, 2024-02-01, 2024-02-28
    section DevOps
    CI/CD Pipelines    :         des6, 2024-02-15, 2024-03-15
    Monitoring         :         des7, 2024-03-01, 2024-03-30

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🛡️ Security Features

• 🔒 Azure AD RBAC integration
• 🚪 Network security groups and policies
• 🔑 Managed identities for Azure resources
• 📝 Pod security policies
• 🛡️ Azure Policy integration

📫 Support & Community

• 📧 Report Issues
• 💬 Join Discussions
• 📚 Read Wiki
• 🎯 Feature Requests

🤝 Contributing

We welcome contributions! Check our CONTRIBUTING.md for guidelines.

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.

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