lite-slurm 1.0.4

A tmux-based task scheduling and monitoring tool

Task Management System

A tmux-based task scheduling and monitoring tool with support for concurrent execution, real-time monitoring, email notifications, and more.

Features

• 🚀 Concurrent Execution: Support for multiple tasks running simultaneously
• 📊 Real-time Monitoring: Real-time task status and output viewing
• 🛠️ Resource Monitoring: CPU, memory, and disk usage monitoring
• 📝 Log Management: Automatic task output and log recording
• 🔧 Configuration Management: Simple configuration file management
• 📧 Email Notifications: Automatic email notifications when tasks complete (requires configuration)

Installation

System Requirements

• Python 3.7+
• tmux (required)

Check tmux

Before installation, ensure tmux is installed on your system:

# Check if tmux is installed
command -v tmux

# If not installed, install tmux first
# Ubuntu/Debian:
sudo apt-get install tmux

# CentOS/RHEL:
sudo yum install tmux

# macOS:
brew install tmux

Quick Installation

# Clone repository
git clone <repository-url>
cd task_manager

# Run installation script
chmod +x install.sh
./install.sh

Manual Installation

# Install Python dependencies
pip install -r requirements.txt

# Install package
pip install -e .

# Initialize configuration
task config init

Install from PyPI

# Install from PyPI
pip install lite-slrum

# Initialize configuration
task config init

Usage

Basic Commands

# Run new task
task run "Task Name" "command to execute"

# List all tasks
task list

# Monitor task output in real-time
task monitor <task_id>

# Stop task
task kill <task_id>

# View task status
task status <task_id>

# View task output
task output <task_id>

# Clean up old tasks
task cleanup

# View help
task -h

Examples

# Run a training task
task run "Model Training" "python train.py --epochs 100"

# Run multiple tasks concurrently
task run "Data Processing" "python process_data.py" &
task run "Feature Extraction" "python extract_features.py" &

# Monitor running tasks
task list --resources

# Monitor specific task
task monitor 00001

# Stop all running tasks
task kill --all

Configuration

Email Notifications

To enable email notifications, you need to configure three files:

1. Email Configuration File

Create ~/.task_manager/config/email_config.json:

{
    "enabled": true,
    "to_email": "[e-mail]"
}

2. Google API Credentials

1. Go to Google Cloud Console
2. Create a new project or select existing one
3. Enable Gmail API
4. Create OAuth 2.0 credentials
5. Download credentials file as credentials.json
6. Place it in ~/.task_manager/config/credentials.json

3. Gmail Token

Use the following command to get the token:

# Login via Google API to get token
task config google_api login

Quick Import Method

If you already have the configuration files:

# Import email configuration
task config email ~/my_email_config.json

# Import Gmail token
task config token ~/my_token.json

# Import Google API credentials
task config google_api file ~/credentials.json

Configuration Management

# Initialize configuration files
task config init

# Show current configuration
task config show

# Test email configuration
task config test

# Import email configuration
task config email <config_file>

# Import Gmail token
task config token <token_file>

# Setup Google API credentials
task config google_api file <credentials_file>

# Login via Google API
task config google_api login

Command Reference

Global Options

• -h, --help: Show help information
• -v, --version: Show version information

Commands

task run <name> <command> [priority] [max_retries]

Run new task.

Parameters:

• name: Task name
• command: Command to execute
• priority: Task priority (0-10, default 0)
• max_retries: Maximum retry count (default 0)

Examples:

task run "Train Model" "python train.py"
task run "Important Task" "python important.py" 10
task run "May Fail" "python unstable.py" 0 3

task list [options]

List all tasks.

Options:

• --status <status>: Filter tasks by status
• --resources: Show system resource usage

Examples:

task list                    # List all tasks
task list --status running   # Show only running tasks
task list --resources        # Show tasks and resource info

task kill <task_id> [--force] | task kill --all [--force]

Stop task.

Parameters:

• task_id: Task ID to stop
• --all: Stop all running tasks
• --force: Force stop task

Examples:

task kill 00001              # Stop task 00001
task kill 00001 --force      # Force stop task 00001
task kill --all              # Stop all running tasks

task monitor <task_id> [--lines N] [--refresh SECONDS]

Real-time task monitoring.

Parameters:

• task_id: Task ID to monitor
• --lines N: Show last N lines of output (default 50)
• --refresh S: Refresh interval in seconds (default 2.0)

Examples:

task monitor 00001                    # Monitor task 00001
task monitor 00001 --lines 100        # Show last 100 lines
task monitor 00001 --refresh 1.0      # Refresh every second

task status <task_id>

View task status.

Parameters:

• task_id: Task ID to view status

Examples:

task status 00001    # View status of task 00001

task output <task_id> [--lines N]

View task output.

Parameters:

• task_id: Task ID to view output
• --lines N: Show last N lines of output (default 50)

Examples:

task output 00001              # View output of task 00001
task output 00001 --lines 100  # Show last 100 lines

task cleanup [hours]

Clean up completed tasks.

Parameters:

• hours: Clean up tasks completed more than specified hours ago (default 24)

Examples:

task cleanup        # Clean up tasks older than 24 hours
task cleanup 12     # Clean up tasks older than 12 hours
task cleanup 0      # Clean up all completed tasks

task logs <task_id> [lines]

View task logs.

Parameters:

• task_id: Task ID to view logs
• lines: Show last N lines of logs (default 100)

Examples:

task logs 00001        # View logs of task 00001
task logs 00001 50     # Show last 50 lines

task email <action>

Email notification management.

Actions:

• enable: Enable email notifications
• disable: Disable email notifications
• show: Show current email configuration
• test: Test email sending

Examples:

task email enable    # Enable email notifications
task email disable   # Disable email notifications
task email show      # View current configuration
task email test      # Send test email

task config <action> [file_path]

Configuration management.

Actions:

• init: Initialize configuration files
• email <config_file>: Configure email settings
• token <token_file>: Configure Gmail token
• google_api file <creds_file>: Configure Google API credentials
• google_api login: Login via Google API to get token
• show: Show current configuration
• test: Test email sending

Examples:

task config init
task config email ~/my_email_config.json
task config token ~/my_token.json
task config google_api file ~/credentials.json
task config google_api login
task config show

Task Status

Tasks can have the following statuses:

• pending: Waiting to start
• running: Currently running
• completed: Successfully completed
• failed: Failed to complete
• killed: Manually stopped

File Structure

~/.task_manager/
├── config/
│   ├── email_config.json    # Email configuration
│   ├── credentials.json     # Google API credentials
│   └── token.json          # Gmail token
├── logs/                   # Task log files
│   ├── 00001.log
│   └── 00002.log
└── tasks.json              # Task database

Uninstallation

# Run uninstall script
chmod +x uninstall.sh
./uninstall.sh

# Or manually uninstall
pip uninstall lite-slrum
rm -rf ~/.task_manager

Troubleshooting

Common Issues

1. tmux not found: Install tmux using your package manager
2. Permission denied: Make sure you have execute permissions for scripts
3. Email not working: Check Gmail API configuration and token validity
4. Task not starting: Check if tmux session name conflicts exist

Log Files

• Task logs: ~/.task_manager/logs/<task_id>.log
• System logs: Check terminal output for error messages

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test thoroughly
5. Submit a pull request

License

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

Author

Created by zheng

Changelog

v1.0.4 (2025-09-10)

• Initial release
• Basic task management functionality
• tmux integration
• Email notifications
• Resource monitoring
• Configuration management