DevOpsFetch_Tool

devopsfetch is a monitoring tool, it retrieves and displays system information such as active ports, Docker containers, Nginx configurations, and user logins. The tool includes continuous monitoring capabilities through a systemd service that logs activities regularly.

Features

• Ports: Display active ports and services; provide details for specific ports.
• Docker: List Docker images and containers; provide details for specific containers.
• Nginx: Display Nginx domains and ports; provide detailed configuration for specific domains.
• Users: List users and their last login times; provide details for specific users.
• Time Range: Filter and display activities within a specified time range.
• help: Display information about this service

Installation

Dependencies

Ensure that the following packages are installed on your system:

• jq
• docker.io
• nginx
• logrotate

Installation Script

To install the necessary dependencies, set up the devopsfetch tool, and create systemd services, run the following installation script:

sudo ./installations.sh

Installation Script Breakdown

1. Dependencies Installation: Updates package lists and installs jq, docker.io, nginx, and logrotate.
2. Docker and Nginx Services: Enables and starts Docker and Nginx services.
3. Tool Setup: Copies devopsfetch.sh to /usr/local/bin/ and creates a symbolic link.
4. Monitoring Script: Creates a script system_monitor.sh to run devopsfetch periodically and log the output.
5. Systemd Service for Monitoring: Sets up a systemd service to run the monitoring script.
6. Log Rotation: Configures log rotation for the monitoring logs.
7. Systemd Service for devopsfetch: Sets up a systemd service to ensure devopsfetch runs continuously.

Usage

Command-Line Options

• -p, --port [PORT_NUMBER]: Display all active ports and services or details for a specific port.
• -d, --docker [CONTAINER_NAME]: List Docker images and containers or details for a specific container.
• -n, --nginx [DOMAIN]: Display Nginx domains and their ports or details for a specific domain.
• -u, --users [USERNAME]: List users and their last login times or details for a specific user.
• -t, --time [TIME_RANGE]: Display activities within a specified time range (format: start_date,end_date).
• -h, --help: Show help message and usage instructions.

Examples

• List all active ports:

  devopsfetch -p

• List specific details for a port:

  devopsfetch -p 80

• List Docker images and containers

  devopsfetch -d

• Get details for a specific Docker container:

  devopsfetch -d <container_name>

• Display Nginx domains:

  devopsfetch -n

• Display Nginx details for a specific domain

  devopsfetch -n localhost

• List users and their last login times

  devopsfetch -u

• Get user details:

  devopsfetch -u <username>

• Filter activities within a time range:

  devopsfetch -t "2024-07-01,2024-07-23"

• Show help message and usage instructions.

  devopsfetch -h

Logging and Monitoring

• Continuous Monitoring: The system-monitor.service ensures that the system_monitor.sh script runs every 12 hours to monitor and log system activities.
• Log Files: Logs are saved to /var/log/system_monitor.log.

Log Rotation Configuration

Log rotation is managed by logrotate to compress and rotate log files. The configuration files are located in /etc/logrotate.d/.