Update app.py

app.py

@@ -1,5 +1,6 @@
 from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
 import datetime
+import time
 import requests
 import pytz
 import yaml
@@ -9,14 +10,46 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
-    Args:
-        arg1: the first argument
-        arg2: the second argument
+def get_node_cpu_idle_data(start: str, end: str, step: str = "15s") -> str:
+    """
+    这个工具从 https://play.grafana.org/ 演示站点的 Prometheus 端点中，
+    获取指定时间范围内的 Prometheus 指标数据：
+    node_cpu_seconds_total{instance="pool-e1ro5g0nq-g0b64", mode="idle", cpu="0"}。
+
+    参数:
+      start (str): 起始时间，格式为 "YYYY-MM-DD HH:MM:SS"。
+      end (str): 截止时间，格式为 "YYYY-MM-DD HH:MM:SS"。
+      step (str): 查询步长（分辨率），默认为 "15s"。
+
+    返回:
+      str: 成功时返回查询结果数据（JSON 格式字符串），失败时返回错误提示。
     """
-    return "What magic will you build ?"
+    # 将时间字符串转换为 UNIX 时间戳
+    try:
+        start_ts = int(time.mktime(datetime.datetime.strptime(start, "%Y-%m-%d %H:%M:%S").timetuple()))
+        end_ts = int(time.mktime(datetime.datetime.strptime(end, "%Y-%m-%d %H:%M:%S").timetuple()))
+    except Exception as e:
+        return f"解析时间时出错: {str(e)}"
+
+    # Grafana Play 的 Prometheus 查询 API 端点 (通常 datasource id 为 1)
+    url = "https://play.grafana.org/api/datasources/proxy/1/api/v1/query_range"
+
+    # 查询参数
+    params = {
+        "query": 'node_cpu_seconds_total{instance="pool-e1ro5g0nq-g0b64", mode="idle", cpu="0"}',
+        "start": start_ts,
+        "end": end_ts,
+        "step": step
+    }
+
+    try:
+        response = requests.get(url, params=params)
+        response.raise_for_status()
+        # 返回 JSON 格式的查询结果数据
+        data = response.json()
+        return f"查询结果: {data}"
+    except Exception as e:
+        return f"获取数据时出错: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -51,7 +84,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer,get_node_cpu_idle_data,get_current_time_in_timezone], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,