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Log Generator Script

This script generates realistic log entries with configurable rates and formats, including HTTP response-like entries, and supports writing logs to a file or the console.

Features

  • Generates realistic log messages with various log levels (DEBUG, INFO, WARNING, ERROR).
  • Configurable log generation rates and durations.
  • Supports HTTP response-like log format.
  • Option to write logs to a specified file or print to the console.
  • Random rate changes and early exit probabilities for simulating real-world scenarios.
  • Generates random user agents for more realistic HTTP logs.
  • Collects metrics such as total logs generated, total bytes written, and average log generation rate.
  • Supports custom log formats.

Configuration

The script is configured through the following parameters. Modify the configuration parameters at the beginning of the script to customize the log generation behavior. For example:

  • duration_normal: Duration of the normal logging period in seconds.
  • duration_peak: Duration of the peak logging period in seconds.
  • rate_normal_min: Minimum log generation rate during the normal period (in MB/s).
  • rate_normal_max: Maximum log generation rate during the normal period (in MB/s).
  • rate_peak: Log generation rate during the peak period (in MB/s).
  • log_line_size: Average size of a log line in bytes.
  • base_exit_probability: Base probability of exiting early during a logging segment.
  • rate_change_probability: Probability of changing the maximum log generation rate.
  • rate_change_max_percentage: Maximum percentage change in the log generation rate.
  • write_to_file: Flag to indicate if logs should be written to a file (True or False).
  • log_file_path: File path for log output (if write_to_file is True).
  • http_format_logs: Flag to format logs in HTTP response-like format (True or False).
  • custom_app_names: List of custom application names to be included in log messages.
  • custom_log_format: Custom format for log messages.

Example Configuration Parameters

CONFIG = {
    'duration_normal': 60,  # Duration of the normal logging period in seconds
    'duration_peak': 10,  # Duration of the peak logging period in seconds
    'rate_normal_min': 0.0005,  # Minimum log generation rate during the normal period (in MB/s)
    'rate_normal_max': 0.8000,  # Maximum log generation rate during the normal period (in MB/s)
    'rate_peak': 1.5000,  # Log generation rate during the peak period (in MB/s)
    'log_line_size': 100,  # Average size of a log line in bytes
    'base_exit_probability': 0.10,  # Base probability of exiting early during a logging segment
    'rate_change_probability': 0.2,  # Probability of changing the maximum log generation rate
    'rate_change_max_percentage': 0.3,  # Maximum percentage change in the log generation rate
    'write_to_file': True,  # Flag to indicate if logs should be written to a file
    'log_file_path': 'logs.txt',  # File path for log output
    'http_format_logs': False,  # Flag to format logs in HTTP response-like format
    'custom_app_names': ['App1', 'App2', 'App3'],  # List of custom application names
    'custom_log_format': "{timestamp} {log_level} {ip_address} {user_agent} {message}"  # Custom log format
}

Usage

Prerequisites

  • Python 3.9 and above

Running the Script

  1. Clone or download this repository.
  2. Open a terminal and navigate to the directory containing the script.
  3. Run the script using the following command:
python log_generator.py

Contributing

Contributions are welcome! Please open an issue or submit a pull request for any improvements or bug fixes.

License

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