geutebruck/geutebruck-api/SERVER_CRUD_IMPLEMENTATION.md

Server CRUD Implementation

Overview

Full CRUD (Create, Read, Update, Delete) implementation for GeViSoft G-Core server management via gRPC SDK Bridge and REST API.

Critical Implementation Details

Boolean Type Fix

Issue: Initial implementation used int32 type for boolean fields (Enabled, DeactivateEcho, DeactivateLiveCheck), causing servers to be written but not recognized by GeViSet.

Solution: Changed to proper bool type (type code 1) instead of int32 (type code 4).

Affected Files:

• src/sdk-bridge/GeViScopeBridge/Services/ConfigurationServiceImplementation.cs
  • Lines 1062-1078: CreateServer method
  • Lines 1194-1200: UpdateServer method
  • Lines 1344-1383: UpdateOrAddChild helper (added bool handling)

Field Order Requirements

Server configuration nodes must have fields in specific order:

1. Alias (string)
2. DeactivateEcho (bool)
3. DeactivateLiveCheck (bool)
4. Enabled (bool)
5. Host (string)
6. Password (string)
7. User (string)

Reference: Working implementation in C:\DEV\COPILOT_codex\geviset_parser.py lines 389-404

Auto-Increment Server IDs

Implementation: server_manager.py demonstrates proper ID management:

• Reads existing servers from configuration
• Finds highest numeric server ID
• Increments by 1 for new server ID
• Skips non-numeric IDs gracefully

def get_next_server_id(servers):
    numeric_ids = []
    for server in servers:
        try:
            numeric_ids.append(int(server['id']))
        except ValueError:
            pass
    if not numeric_ids:
        return "1"
    return str(max(numeric_ids) + 1)

API Endpoints

REST API (FastAPI)

Base Path: /api/v1/configuration

• GET /servers - List all G-Core servers
• GET /servers/{server_id} - Get single server by ID
• POST /servers - Create new server
• PUT /servers/{server_id} - Update existing server
• DELETE /servers/{server_id} - Delete server

Implementation: src/api/routers/configuration.py lines 278-460

gRPC API

Service: ConfigurationService

Methods:

• CreateServer(CreateServerRequest) → ServerOperationResponse
• UpdateServer(UpdateServerRequest) → ServerOperationResponse
• DeleteServer(DeleteServerRequest) → ServerOperationResponse
• ReadConfigurationTree() → Configuration tree with all servers

Implementation: src/sdk-bridge/GeViScopeBridge/Services/ConfigurationServiceImplementation.cs

Server Data Structure

message ServerData {
    string id = 1;                      // Server ID (numeric string recommended)
    string alias = 2;                   // Display name
    string host = 3;                    // IP address or hostname
    string user = 4;                    // Username (default: "admin")
    string password = 5;                // Password
    bool enabled = 6;                   // Enable/disable server
    bool deactivate_echo = 7;           // Deactivate echo (default: false)
    bool deactivate_live_check = 8;     // Deactivate live check (default: false)
}

Test Scripts

Production Scripts

1. server_manager.py - Complete server lifecycle management

   • Lists existing servers
   • Auto-increments IDs
   • Creates, deletes servers
   • Manages action mappings
   • Cleanup functionality

2. cleanup_to_base.py - Restore configuration to base state

   • Deletes test servers (2, 3)
   • Preserves original server (1)
   • Quick reset for testing

3. add_claude_test_data.py - Add test data with "Claude" prefix

   • Creates 3 servers: Claude Server Alpha/Beta/Gamma
   • Creates 2 action mappings
   • All identifiable by "Claude" prefix

4. check_and_add_mapping.py - Verify and add action mappings

   • Lists existing Claude mappings
   • Adds missing mappings
   • Ensures complete test data

Legacy Test Scripts

• test_server_creation.py - Direct gRPC server creation test
• add_server_and_mapping.py - Combined server and mapping creation

Verification Process

Testing Workflow

1. Start Services:

   cd C:\GEVISOFT
   start GeViServer.exe console
   
   cd C:\DEV\COPILOT\geutebruck-api\src\sdk-bridge\GeViScopeBridge\bin\Debug\net8.0
   start GeViScopeBridge.exe
   

2. Run Test Script:

   python server_manager.py
   

3. Stop Services (required before GeViSet connection):

   Stop-Process -Name GeViScopeBridge -Force
   Stop-Process -Name python -Force
   Stop-Process -Name GeViServer -Force
   

4. Verify in GeViSet:

   • Connect to GeViServer
   • Check Configuration → GeViGCoreServer
   • Verify servers appear with correct bool values

Known Issues & Solutions

Issue: Port 50051 (gRPC) in use

• Solution: Stop SDK Bridge process

Issue: SetupClient connection refused (Error 307)

• Cause: GeViSet already connected (only one SetupPort client allowed)
• Solution: Disconnect GeViSet, retry SetupClient

Issue: Servers created but not visible in GeViSet

• Root Cause: Using int32 instead of bool type
• Solution: Use proper bool type as documented above

CRITICAL Issue: Cascade deletion when deleting multiple action mappings

• Root Cause: Deleting in ascending order causes IDs to shift, deleting wrong mappings
• Solution: Always delete in REVERSE order (highest ID first)
• Status: FIXED in comprehensive_crud_test.py (2025-12-16)
• Details: See CRITICAL_BUG_FIX_DELETE.md

Action Mapping CRUD

Action mappings can also be managed via the same ConfigurationService.

Endpoints:

• GET /api/v1/configuration/action-mappings - List all mappings
• GET /api/v1/configuration/action-mappings/{mapping_id} - Get single mapping
• POST /api/v1/configuration/action-mappings - Create mapping
• PUT /api/v1/configuration/action-mappings/{mapping_id} - Update mapping
• DELETE /api/v1/configuration/action-mappings/{mapping_id} - Delete mapping

Note: Mapping IDs are 1-based ordinal positions in the MappingRules list.

Dependencies

• GeViServer must be running
• SDK Bridge requires GeViServer connection
• REST API requires SDK Bridge on localhost:50051
• GeViSet requires exclusive SetupPort (7703) access

Success Metrics

✅ Servers persist correctly in GeViSoft configuration ✅ Servers visible in GeViSet with correct boolean values ✅ Auto-increment ID logic prevents conflicts ✅ All CRUD operations functional via gRPC and REST ✅ Action mappings create, read, update, delete working ✅ Configuration changes survive GeViServer restart

References

• Working Python parser: C:\DEV\COPILOT_codex\geviset_parser.py
• SDK Bridge implementation: src/sdk-bridge/GeViScopeBridge/Services/ConfigurationServiceImplementation.cs
• REST API: src/api/routers/configuration.py
• Protocol definitions: src/api/protos/configuration.proto