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https://github.com/venkatsunilm/terraform-ansible-ngnix-lb-exercise

This repository contains Terraform configurations and Ansible playbooks to automate the deployment and management of a multi-VM infrastructure on cPouta. It includes provisioning VMs with Terraform and configuring a load balancer and web servers with Nginx using Ansible. Ideal for scalable and automated cloud infrastructure setups.
https://github.com/venkatsunilm/terraform-ansible-ngnix-lb-exercise

ansible ansible-playbook load-balancer network ngnix privatenet securitygroups terraform virtual-machine webserver

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This repository contains Terraform configurations and Ansible playbooks to automate the deployment and management of a multi-VM infrastructure on cPouta. It includes provisioning VMs with Terraform and configuring a load balancer and web servers with Nginx using Ansible. Ideal for scalable and automated cloud infrastructure setups.

Awesome Lists containing this project

README 

        
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# **Cloud Environment Provisioning and Configuration**



This repository contains two sub-projects for automating the provisioning and configuration of a cloud environment:



1. **Terraform Project**: Automates the provisioning of cloud infrastructure using CSC's OpenStack `cPouta` service.

2. **Ansible Project**: Configures and deploys a load balancer and web servers across the provisioned infrastructure.



---



## **Table of Contents**

- [Overview](#overview)

- [Project Structure](#project-structure)

- [Getting Started](#getting-started)

  - [1. Terraform Setup](#1-terraform-setup)

  - [2. Ansible Configuration](#2-ansible-configuration)

- [Expected Results](#expected-results)

- [Troubleshooting](#troubleshooting)



---



## **Overview**



This project demonstrates the complete lifecycle of deploying and configuring a cloud environment:



1. **Provision Infrastructure**: Use Terraform to create a cloud environment with:

   - A jumphost with public IP (VM1) serving as a load balancer.

   - Multiple private web servers (VM2, VM3, VM4) connected via a private network.



2. **Configure Environment**: Use Ansible to:

   - Install and configure Nginx on the jumphost as a load balancer.

   - Install and configure Nginx on web servers to serve static content.

   - Set up secure and consistent configurations across all VMs.



---



## **Project Structure**



```

.

├── README.md             # Main project README

├── terraform/            # Terraform project for infrastructure provisioning

│   ├── README.md         # Terraform-specific README

│   ├── main.tf           # Terraform configuration file

│   ├── variables.tf      # Input variables for Terraform

│   └── providers.tf      # OpenStack provider configuration

└── ansible/              # Ansible project for configuration management

    ├── README.md         # Ansible-specific README

    ├── inventory.ini     # Ansible inventory file

    ├── webservers.yml    # Playbook for load balancer and web servers

    ├── files/            # Configuration files

    │   ├── nginx_proxy.conf

    │   ├── nginx.conf



```



---



## **Getting Started**



### **1. Terraform Setup**



#### **Step 1: Install Terraform**

Follow the instructions in `terraform/README.md` to install and configure Terraform.



#### **Step 2: Provision the Infrastructure**

1. Navigate to the Terraform project directory:

   ```bash

   cd terraform/

   ```

2. Initialize Terraform:

   ```bash

   terraform init

   ```

3. Plan and apply the configuration:

   ```bash

   terraform apply

   ```



### **2. Ansible Configuration**



#### **Step 1: Install Ansible**

Follow the instructions in `ansible/README.md` to install Ansible.



#### **Step 2: Configure Load Balancer and Web Servers**

1. Navigate to the Ansible project directory:

   ```bash

   cd ansible/

   ```

2. Test connectivity to all VMs:

   ```bash

   ansible -i inventory.ini -m ping all

   ```

3. Run the Ansible playbook:

   ```bash

   ansible-playbook -i inventory.ini webservers.yml

   ```



---



## **Expected Results**



- **Jumphost (VM1)**:

  - Acts as a load balancer using Nginx.

  - Forwards HTTP traffic to the web servers in a round-robin manner.



- **Web Servers (VM2, VM3, VM4)**:

  - Serve the same static HTML content.

  - Are accessible only from the private network.



You can test the setup by accessing the public IP of the jumphost.



---



## **Troubleshooting**



1. **Terraform Issues**:

   - Ensure your OpenStack credentials are correctly set in `providers.tf`.

   - Check for typos in the `variables.tf` file.



2. **Ansible Issues**:

   - Verify SSH access to all VMs.

   - Check that `nginx` is running on all servers.



3. **Network Issues**:

   - Ensure that security groups allow the necessary traffic:

     - Port `22` for SSH.

     - Port `80` for HTTP.



Refer to the individual README files for more detailed troubleshooting steps.



---



This project provides a modular and automated approach to cloud environment setup and configuration, making it scalable and reusable for various use cases.