## Overview Welcome to the Devops-Scripts repository! This repository contains a collection of scripts aimed at simplifying the installation and management of essential DevOps tools and applications. Currently, it focuses on automating the setup of Node Exporter, Prometheus, and Grafana, which are critical components for monitoring and alerting in a cloud-native environment.

Purpose

The primary goal of this repository is to serve as a starting point for deploying and managing necessary DevOps applications with minimal manual intervention. These scripts are designed for long-term use, ensuring a streamlined setup process for users and teams.

Included Scripts

1. Node Exporter Installation Script
   This script automates the installation of Node Exporter, which provides hardware and OS metrics from the host machine, making it easier to monitor system performance.

2. Prometheus Installation Script
   This script installs Prometheus, an open-source monitoring and alerting toolkit. Prometheus collects and stores metrics data, allowing users to query and visualize performance metrics.

3. Setup Dashboard and Data Source Script
   This script automates the setup of a Grafana dashboard and data source. It creates a data source pointing to Prometheus and sets up a dashboard to visualize system metrics.

Prerequisites

Before running the scripts, ensure you have the following:

• A Linux-based operating system (e.g., Ubuntu, CentOS)

Usage

Installing Node Exporter

To install Node Exporter, run the following command:

bash <(curl -s https://raw.githubusercontent.com/catalogfi/Devops-Scripts/refs/heads/main/node_exporter_setup.sh)

Installing Prometheus

To install Prometheus, run:

bash <(curl -s https://raw.githubusercontent.com/catalogfi/Devops-Scripts/refs/heads/main/prometheus_setup.sh)

Setting Up Grafana Dashboard and Data Source

To set up the Grafana dashboard and data source, run:

bash <(curl -s https://raw.githubusercontent.com/catalogfi/Devops-Scripts/refs/heads/main/setup_dashboard_and_data_source.sh)

Configuration

• Node Exporter will be accessible at http://127.0.0.1:9100.
• Prometheus will have a web interface that you can access. You can authenticate using the admin username and the password set in the ADMIN_PASSWORD environment variable (default: password).
• Grafana configuration will be handled by the setup script to create a dashboard and data source pointing to Prometheus.

Systemd Services

Both Node Exporter and Prometheus are set up as systemd services, which ensures they start automatically on boot. You can manage these services using the following commands:

• Check the status of the services:

  sudo systemctl status node_exporter
  sudo systemctl status prometheus
  

• Start or stop the services:

  sudo systemctl start node_exporter
  sudo systemctl stop node_exporter
  sudo systemctl start prometheus
  sudo systemctl stop prometheus
  

Contributing

Contributions are welcome! If you have suggestions for improvements or additional scripts to add, please create an issue or submit a pull request.

License

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

Acknowledgments

Thanks to the developers of Node Exporter and Prometheus for their contributions to the monitoring and observability landscape.