86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
import uuid
|
|
from fastapi import WebSocket
|
|
from pydantic import BaseModel
|
|
from datetime import datetime
|
|
|
|
# 使用字典来存储websocket连接
|
|
class ConnectionManager:
|
|
def __init__(self):
|
|
self.active_connections: map = {}
|
|
|
|
# 加入一个新的websocket连接
|
|
async def connect(self, websocket: WebSocket, client_id: int):
|
|
await websocket.accept()
|
|
self.active_connections[client_id] = websocket
|
|
|
|
# 删除一个websocket连接(要先检查client_id是否存在)
|
|
def disconnect(self, client_id: int):
|
|
if client_id in self.active_connections:
|
|
del self.active_connections[client_id]
|
|
|
|
# 向指定的websocket连接发送消息(要先检查client_id是否存在)
|
|
async def send_personal_message(self, message: str, client_id: int):
|
|
if client_id in self.active_connections:
|
|
await self.active_connections[client_id].send_text(message)
|
|
|
|
# 向所有的websocket连接发送消息
|
|
async def broadcast(self, message: str):
|
|
for client_id, ws in self.active_connections.items():
|
|
await ws.send_text(message)
|
|
|
|
# Task 基本模型
|
|
class Task(BaseModel):
|
|
id: int
|
|
name: str
|
|
status: str
|
|
created_at: datetime
|
|
updated_at: datetime
|
|
|
|
|
|
# 使用字典来存储Task任务
|
|
class TaskManager(object):
|
|
def __init__(self):
|
|
self.tasks = {}
|
|
# TOOD: 保持一个后台线程，定时检查任务的状态，并将任务的状态更新到数据中
|
|
|
|
def create(self, task: dict):
|
|
task["id"] = str(uuid.uuid4())
|
|
self.tasks[task["id"]] = task
|
|
return task
|
|
|
|
def delete(self, task_id: str):
|
|
del self.tasks[task_id]
|
|
|
|
def update(self, task_id, task: dict):
|
|
self.tasks[task_id] = task
|
|
|
|
def query(self, task_id: str):
|
|
return self.tasks[task_id]
|
|
|
|
def query_all(self):
|
|
return self.tasks
|
|
|
|
# 使用字典来存储服务器池(使用腾讯云的API来管理服务器)
|
|
class ServerManager(object):
|
|
def __init__(self):
|
|
self.servers = {}
|
|
# 维护一个服务器池，每个服务器都有一个状态，状态有三种：空闲，运行中，异常
|
|
# 如果服务器异常，需要将其从服务器池中删除
|
|
# 如果服务器空闲，需要通知弹性伸缩服务将其删除
|
|
|
|
# 添加一个新的服务器(如何得知增加了新服务器? 主动发现? 被动发现? 使用腾讯云的API主动增加服务器)
|
|
def add(self, server_name, server_info):
|
|
self.servers[server_name] = server_info
|
|
|
|
def delete(self, server_name):
|
|
del self.servers[server_name]
|
|
|
|
def update(self, server_name, server_info):
|
|
self.servers[server_name] = server_info
|
|
|
|
def query(self, server_name):
|
|
return self.servers[server_name]
|
|
|
|
def query_all(self):
|
|
return self.servers
|
|
|