delete_node
Remove a node from an EVE-NG lab to delete its data and configuration permanently. This action cannot be undone.
Instructions
Delete a node from a lab.
This tool permanently removes a node from the lab. All node data and configuration will be lost. This action cannot be undone.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| arguments | Yes |
Implementation Reference
- The primary handler function for the 'delete_node' MCP tool. It processes DeleteNodeArgs, ensures EVE-NG connection, invokes the client helper, and formats success/error responses as TextContent.
@mcp.tool() async def delete_node(arguments: DeleteNodeArgs) -> list[TextContent]: """ Delete a node from a lab. This tool permanently removes a node from the lab. All node data and configuration will be lost. This action cannot be undone. """ try: logger.info(f"Deleting node {arguments.node_id} from {arguments.lab_path}") if not eveng_client.is_connected: return [TextContent( type="text", text="Not connected to EVE-NG server. Use connect_eveng_server tool first." )] # Delete node result = await eveng_client.delete_node(arguments.lab_path, arguments.node_id) if result.get('status') == 'success': return [TextContent( type="text", text=f"Successfully deleted node {arguments.node_id} from {arguments.lab_path}\n\n" f"⚠️ The node has been permanently removed from the lab.\n" f"This action cannot be undone." )] else: return [TextContent( type="text", text=f"Failed to delete node: {result.get('message', 'Unknown error')}" )] except Exception as e: logger.error(f"Failed to delete node: {e}") return [TextContent( type="text", text=f"Failed to delete node: {str(e)}" )] - Pydantic BaseModel defining the input arguments for the delete_node tool: lab_path and node_id with descriptions.
class DeleteNodeArgs(BaseModel): """Arguments for delete_node tool.""" lab_path: str = Field(description="Full path to the lab (e.g., /lab_name.unl)") node_id: str = Field(description="Node ID to delete") - eveng_mcp_server/server.py:52-54 (registration)Top-level registration of all tools in the main server class, which chains through tools/__init__.py to register_node_tools and ultimately the @mcp.tool() decorator for delete_node.
# Register tools register_tools(self.mcp, self.eveng_client) - eveng_mcp_server/tools/__init__.py:24-28 (registration)Intermediate registration call for node management tools specifically, invoking register_node_tools where delete_node is defined and registered via @mcp.tool().
# Node management tools register_node_tools(mcp, eveng_client) # Network management tools register_network_tools(mcp, eveng_client) - Supporting method in EVENGClientWrapper that wraps the underlying EVE-NG API delete_node call, handles connection, logging, and error propagation.
async def delete_node(self, lab_path: str, node_id: str) -> Dict[str, Any]: """Delete a node from a lab.""" await self.ensure_connected() try: result = await asyncio.to_thread(self.api.delete_node, lab_path, node_id) self.logger.info("Deleted node", lab_path=lab_path, node_id=node_id) return result except Exception as e: self.logger.error("Failed to delete node", **log_error(e, {"lab_path": lab_path, "node_id": node_id})) raise EVENGAPIError(f"Failed to delete node: {str(e)}")