ordo

• ordo is a simplified container orchestrator written in Go. It provides a practical understanding of orchestrator concepts like task management, scheduling, and worker communication.

Requirements

• Go (v1.16 or later)
• Docker
• BoltDB (v1.3.1)
• chi (v5.0.3)
• goprocinfo

Features

Task Management

• Task States: Implement task states (Pending, Running, Completed, Failed).
• Docker Integration: Start/stop Docker containers via Docker API.
• Task Persistence: Store tasks in-memory or in BoltDB.

Worker Features

• Task Queue: FIFO queue for processing tasks.
• Task Execution: Run assigned tasks as Docker containers.
• Metrics Collection: Collect CPU, memory, disk usage data. (Pending)

Manager Features

• Task Scheduling: Basic task scheduling (Round-Robin).
• Enhanced Scheduler: Resource-based E-PVM scheduler. (Pending)
• Health Checks: Check task health, auto-restart on failure. (Pending)

General Features

• Modular Design: Separate modules for tasks, workers, managers.
• Testability: Set up automated testing. (Pending)

Limitations & Future Enhancements

• Security: Add security measures. (Pending)
• Service Discovery: Enable service discovery for tasks. (Pending)
• High Availability: Implement redundancy for manager/workers. (Pending)