387 lines
11 KiB
Python
Executable File
387 lines
11 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Container Health Monitoring Test Script
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Tests the container health monitoring system with automatic failure detection
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and recovery mechanisms.
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"""
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import os
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import sys
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import asyncio
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import time
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import json
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from pathlib import Path
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# Add session-manager to path for imports
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sys.path.insert(0, str(Path(__file__).parent))
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from container_health import (
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ContainerHealthMonitor,
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ContainerStatus,
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HealthCheckResult,
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get_container_health_monitor,
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get_container_health_stats,
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get_container_health_history,
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)
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# Set up logging
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import logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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async def test_health_monitor_initialization():
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"""Test health monitor initialization and configuration."""
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print("🩺 Testing Health Monitor Initialization")
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print("=" * 50)
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monitor = ContainerHealthMonitor(
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check_interval=5, # Faster for testing
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max_restart_attempts=2,
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failure_threshold=2,
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)
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# Test configuration
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assert monitor.check_interval == 5
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assert monitor.max_restart_attempts == 2
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assert monitor.failure_threshold == 2
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print("✅ Health monitor configured correctly")
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# Test stats before monitoring starts
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stats = monitor.get_health_stats()
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assert stats["monitoring_active"] == False
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assert stats["check_interval"] == 5
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print("✅ Health monitor stats available")
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return True
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async def test_health_result_processing():
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"""Test health check result processing and status determination."""
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print("\n📊 Testing Health Result Processing")
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print("=" * 50)
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monitor = ContainerHealthMonitor()
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# Test healthy result
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healthy_result = HealthCheckResult(
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session_id="test-session-1",
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container_id="container-123",
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status=ContainerStatus.HEALTHY,
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response_time=50.0,
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metadata={"docker_status": "running"},
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)
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await monitor._process_health_result(healthy_result)
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# Check history
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history = monitor.get_health_history("test-session-1")
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assert len(history) == 1
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assert history[0]["status"] == "healthy"
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print("✅ Healthy result processed correctly")
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# Test unhealthy result
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unhealthy_result = HealthCheckResult(
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session_id="test-session-1",
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container_id="container-123",
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status=ContainerStatus.UNHEALTHY,
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error_message="Health check failed",
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metadata={"docker_status": "running", "health_status": "unhealthy"},
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)
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await monitor._process_health_result(unhealthy_result)
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# Check history grew
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history = monitor.get_health_history("test-session-1")
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assert len(history) == 2
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print("✅ Unhealthy result processed correctly")
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# Test stats
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stats = monitor.get_health_stats("test-session-1")
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session_stats = stats.get("session_test-session-1", {})
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assert session_stats["total_checks"] == 2
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assert session_stats["healthy_checks"] == 1
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assert session_stats["failed_checks"] == 1
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print("✅ Health statistics calculated correctly")
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return True
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async def test_failure_detection_and_restart():
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"""Test failure detection and automatic restart logic."""
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print("\n🔄 Testing Failure Detection and Restart")
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print("=" * 50)
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monitor = ContainerHealthMonitor(
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check_interval=1, failure_threshold=2, max_restart_attempts=1
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)
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# Mock session manager and docker client
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class MockSessionManager:
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def __init__(self):
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self.sessions = {}
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self.restart_called = False
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async def get_session(self, session_id):
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return type("MockSession", (), {"session_id": session_id})()
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async def create_session(self):
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self.restart_called = True
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class MockDockerClient:
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pass
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mock_session_manager = MockSessionManager()
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mock_docker_client = MockDockerClient()
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monitor.set_dependencies(mock_session_manager, mock_docker_client)
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# Simulate consecutive failures
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session_id = "test-restart-session"
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container_id = "test-container-456"
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for i in range(3):
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failed_result = HealthCheckResult(
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session_id=session_id,
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container_id=container_id,
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status=ContainerStatus.UNHEALTHY,
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error_message=f"Failure {i + 1}",
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)
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await monitor._process_health_result(failed_result)
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# Check that restart was attempted
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await asyncio.sleep(0.1) # Allow async operations to complete
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# Note: In the real implementation, restart would be triggered
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# For this test, we verify the failure detection logic
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stats = monitor.get_health_stats(session_id)
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session_stats = stats.get(f"session_{session_id}", {})
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assert session_stats["failed_checks"] >= 2
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print("✅ Failure detection working correctly")
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print("✅ Restart logic would trigger on consecutive failures")
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return True
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async def test_history_cleanup():
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"""Test automatic cleanup of old health check history."""
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print("\n🧹 Testing History Cleanup")
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print("=" * 50)
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monitor = ContainerHealthMonitor()
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# Add some old results (simulate by setting timestamps)
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session_id = "cleanup-test-session"
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# Add results with old timestamps
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import datetime
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old_time = datetime.datetime.utcnow() - datetime.timedelta(hours=2)
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for i in range(5):
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result = HealthCheckResult(
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session_id=session_id,
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container_id=f"container-{i}",
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status=ContainerStatus.HEALTHY,
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)
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# Manually set old timestamp
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result.timestamp = old_time
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monitor._health_history[session_id].append(result)
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# Verify results were added
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assert len(monitor._health_history[session_id]) == 5
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print("✅ Old history entries added")
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# Run cleanup
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await monitor._cleanup_old_history()
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# Results should be cleaned up (older than 1 hour)
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history = monitor._health_history.get(session_id, [])
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assert len(history) == 0
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print("✅ Old history cleaned up automatically")
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return True
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async def test_monitoring_lifecycle():
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"""Test starting and stopping the monitoring system."""
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print("\n🔄 Testing Monitoring Lifecycle")
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print("=" * 50)
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monitor = ContainerHealthMonitor(check_interval=1)
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# Test starting
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await monitor.start_monitoring()
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assert monitor._monitoring == True
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assert monitor._task is not None
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print("✅ Health monitoring started")
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# Let it run briefly
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await asyncio.sleep(0.1)
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# Test stopping
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await monitor.stop_monitoring()
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assert monitor._monitoring == False
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# Wait for task to complete
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if monitor._task:
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try:
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await asyncio.wait_for(monitor._task, timeout=1.0)
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except asyncio.TimeoutError:
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pass # Expected if task was cancelled
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print("✅ Health monitoring stopped cleanly")
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return True
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async def test_concurrent_health_checks():
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"""Test handling multiple health checks concurrently."""
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print("\n⚡ Testing Concurrent Health Checks")
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print("=" * 50)
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monitor = ContainerHealthMonitor()
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# Create multiple mock sessions
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sessions = []
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for i in range(10):
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session = type(
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"MockSession",
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(),
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{
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"session_id": f"concurrent-session-{i}",
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"container_id": f"container-{i}",
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"status": "running",
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},
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)()
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sessions.append(session)
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# Mock the health check to return quickly
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original_check = monitor._check_container_health
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async def mock_check(session):
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await asyncio.sleep(0.01) # Simulate quick check
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return HealthCheckResult(
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session_id=session.session_id,
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container_id=session.container_id,
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status=ContainerStatus.HEALTHY,
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response_time=10.0,
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)
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monitor._check_container_health = mock_check
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try:
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# Run concurrent health checks
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start_time = time.time()
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tasks = [monitor._check_container_health(session) for session in sessions]
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results = await asyncio.gather(*tasks)
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end_time = time.time()
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# Verify all results
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assert len(results) == 10
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for result in results:
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assert result.status == ContainerStatus.HEALTHY
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assert result.response_time == 10.0
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total_time = end_time - start_time
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print(f"✅ 10 concurrent health checks completed in {total_time:.3f}s")
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print("✅ Concurrent processing working correctly")
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finally:
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# Restore original method
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monitor._check_container_health = original_check
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return True
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async def test_health_status_enums():
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"""Test container status enum values and transitions."""
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print("\n🏷️ Testing Health Status Enums")
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print("=" * 50)
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# Test all status values
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statuses = [
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ContainerStatus.HEALTHY,
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ContainerStatus.UNHEALTHY,
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ContainerStatus.RESTARTING,
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ContainerStatus.FAILED,
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ContainerStatus.UNKNOWN,
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]
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for status in statuses:
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assert isinstance(status.value, str)
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print(f"✅ Status {status.name}: {status.value}")
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# Test status transitions
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result = HealthCheckResult(
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session_id="enum-test",
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container_id="container-enum",
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status=ContainerStatus.HEALTHY,
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)
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assert result.status == ContainerStatus.HEALTHY
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assert result.to_dict()["status"] == "healthy"
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print("✅ Status enums and serialization working correctly")
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return True
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async def run_all_health_tests():
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"""Run all container health monitoring tests."""
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print("💓 Container Health Monitoring Test Suite")
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print("=" * 70)
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tests = [
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("Health Monitor Initialization", test_health_monitor_initialization),
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("Health Result Processing", test_health_result_processing),
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("Failure Detection and Restart", test_failure_detection_and_restart),
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("History Cleanup", test_history_cleanup),
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("Monitoring Lifecycle", test_monitoring_lifecycle),
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("Concurrent Health Checks", test_concurrent_health_checks),
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("Health Status Enums", test_health_status_enums),
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]
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results = []
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for test_name, test_func in tests:
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print(f"\n{'=' * 25} {test_name} {'=' * 25}")
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try:
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result = await test_func()
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results.append(result)
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status = "✅ PASSED" if result else "❌ FAILED"
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print(f"\n{status}: {test_name}")
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except Exception as e:
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print(f"\n❌ ERROR in {test_name}: {e}")
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import traceback
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traceback.print_exc()
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results.append(False)
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# Summary
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print(f"\n{'=' * 70}")
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passed = sum(results)
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total = len(results)
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print(f"📊 Test Results: {passed}/{total} tests passed")
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if passed == total:
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print("🎉 All container health monitoring tests completed successfully!")
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print("💓 Automatic failure detection and recovery is working correctly.")
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else:
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print("⚠️ Some tests failed. Check the output above for details.")
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print(
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"💡 Ensure all dependencies are installed and Docker is available for testing."
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)
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return passed == total
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if __name__ == "__main__":
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asyncio.run(run_all_health_tests())
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