htmonitor

Architecture Documentation

🏗️ System Architecture

The .htaccess Geo-Redirection Testing Monorepo follows a modular architecture with clear separation of concerns.

graph TB
    subgraph "Applications Layer"
        A[Go Monitor App]
        B[Python Tester App]
        C[Docker Setup App]
    end
    
    subgraph "Shared Layer"
        D[.htaccess Rules]
        E[GeoIP Mock Service]
        F[Common Configurations]
    end
    
    subgraph "Tools Layer"
        G[Test Scripts]
        H[Compiled Binaries]
        I[Utilities]
    end
    
    subgraph "Infrastructure"
        J[Apache Server]
        K[Docker Environment]
        L[File System Watcher]
    end
    
    A --> D
    A --> L
    B --> E
    B --> J
    C --> J
    C --> K
    G --> J
    H --> D
    
    D --> J
    E --> J

📦 Component Overview

Applications (apps/)

htaccess-monitor

python-tester

docker-setup

Shared Packages (packages/)

shared

Tools (tools/)

🔄 Data Flow

1. File Monitoring Flow

sequenceDiagram
    participant FM as File Monitor
    participant FS as File System
    participant TR as Test Runner
    participant UI as Terminal UI
    
    FS->>FM: .htaccess file changed
    FM->>TR: Trigger test run
    TR->>TR: Execute HTTP tests
    TR->>UI: Update results
    UI->>UI: Refresh display

2. HTTP Testing Flow

sequenceDiagram
    participant TC as Test Client
    participant GM as GeoIP Mock
    participant AS as Apache Server
    participant HR as .htaccess Rules
    
    TC->>GM: Set country code
    TC->>AS: HTTP request with country header
    AS->>HR: Apply redirection rules
    HR->>AS: Return redirect/response
    AS->>TC: HTTP response
    TC->>TC: Analyze result

3. Multi-Country Testing

sequenceDiagram
    participant PT as Python Tester
    participant Countries as Country List
    participant Server as Test Server
    participant Results as Result Store
    
    PT->>Countries: Iterate through countries
    loop For each country
        PT->>Server: Test with country code
        Server->>PT: Return response
        PT->>Results: Store test result
    end
    PT->>Results: Generate JSON report

🧩 Design Patterns

1. Observer Pattern

2. Strategy Pattern

3. Factory Pattern

4. Command Pattern

🔧 Configuration Management

Environment Variables

GEOIP_COUNTRY_CODE=AU    # Country simulation
HTTP_TIMEOUT=30          # Request timeout
TEST_DELAY=1.0          # Delay between tests
LOG_LEVEL=INFO          # Logging level

Configuration Files

🚀 Deployment Architecture

Local Development

graph LR
    Dev[Developer] --> Local[Local Environment]
    Local --> GM[Go Monitor]
    Local --> PT[Python Tests]
    Local --> Docker[Docker Services]

Docker Environment

graph TB
    subgraph "Docker Network"
        Apache[Apache Container]
        GeoIP[GeoIP Mock Service]
        Volume[Shared Volume]
    end
    
    Host[Host Machine] --> Apache
    Apache --> Volume
    GeoIP --> Volume
    Volume --> Config[.htaccess Config]

📊 Performance Considerations

Monitoring Performance

Scalability

Optimization

🔒 Security Considerations

Input Validation

Network Security

Data Protection

🧪 Testing Strategy

Unit Testing

Integration Testing

Performance Testing

📈 Monitoring and Observability

Logging

Metrics

Health Checks

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