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Agent Status API Endpoints
Provides status monitoring for AI agents and task execution
"""
import asyncio
from datetime import datetime
import json
import logging
import os
from pathlib import Path
from typing import Any, Dict, List, Optional
import uuid
from fastapi import BackgroundTasks
from pydantic import BaseModel
from core.base_routes import BaseAPIRouter
logger = logging.getLogger(__name__)
router = BaseAPIRouter(prefix="/api/agent-status", tags=["Agent Status"])
# In-memory storage for agent status (for MVP)
AGENT_STATUS_FILE = Path(__file__).parent.parent / "agent_status.json"
class AgentTask(BaseModel):
task_id: str
agent_id: str
status: str # pending, running, completed, failed, cancelled
progress: float = 0.0 # 0.0 to 1.0
started_at: Optional[datetime] = None
completed_at: Optional[datetime] = None
error_message: Optional[str] = None
result: Optional[Dict[str, Any]] = None
metadata: Dict[str, Any] = {}
class AgentInfo(BaseModel):
agent_id: str
name: str
type: str
status: str # idle, busy, offline
last_active: Optional[datetime] = None
current_task: Optional[str] = None
capabilities: List[str] = []
health_score: float = 1.0 # 0.0 to 1.0
def load_agent_status() -> Dict[str, Any]:
"""Load agent status from file"""
if not AGENT_STATUS_FILE.exists():
return {"agents": {}, "tasks": {}}
try:
with open(AGENT_STATUS_FILE, 'r') as f:
return json.load(f)
except Exception as e:
return {"agents": {}, "tasks": {}}
def save_agent_status(data: Dict[str, Any]):
"""Save agent status to file"""
try:
with open(AGENT_STATUS_FILE, 'w') as f:
json.dump(data, f, indent=2, default=str)
except Exception as e:
logger.error(f"Error saving agent status: {e}")
@router.get("/agent/status/{task_id}", response_model=AgentTask)
async def get_agent_status(task_id: str):
"""Get status of a specific agent task"""
data = load_agent_status()
if task_id not in data.get("tasks", {}):
# Return a default status for unknown tasks
return AgentTask(
task_id=task_id,
agent_id="unknown",
status="not_found",
error_message="Task not found"
)
task_data = data["tasks"][task_id]
return AgentTask(**task_data)
@router.get("/agent/status", response_model=List[AgentTask])
async def get_all_agent_tasks():
"""Get status of all agent tasks"""
data = load_agent_status()
tasks = []
for task_data in data.get("tasks", {}).values():
tasks.append(AgentTask(**task_data))
return tasks
@router.get("/agents", response_model=List[AgentInfo])
async def get_all_agents():
"""Get information about all agents"""
data = load_agent_status()
agents = []
for agent_data in data.get("agents", {}).values():
agents.append(AgentInfo(**agent_data))
return agents
@router.get("/agents/{agent_id}", response_model=AgentInfo)
async def get_agent_info(agent_id: str):
"""Get information about a specific agent"""
data = load_agent_status()
if agent_id not in data.get("agents", {}):
# Create a default agent if not found
default_agent = AgentInfo(
agent_id=agent_id,
name=f"Agent {agent_id}",
type="general",
status="idle",
last_active=datetime.now(),
capabilities=["text_processing", "analysis"]
)
# Save the default agent
data.setdefault("agents", {})[agent_id] = default_agent.model_dump()
save_agent_status(data)
return default_agent
agent_data = data["agents"][agent_id]
return AgentInfo(**agent_data)
@router.post("/agent/{agent_id}/heartbeat")
async def agent_heartbeat(agent_id: str, status: Dict[str, Any]):
"""Update agent heartbeat and status"""
data = load_agent_status()
# Update or create agent info
agent_info = {
"agent_id": agent_id,
"name": status.get("name", f"Agent {agent_id}"),
"type": status.get("type", "general"),
"status": status.get("status", "idle"),
"last_active": datetime.now(),
"current_task": status.get("current_task"),
"capabilities": status.get("capabilities", []),
"health_score": status.get("health_score", 1.0)
}
data.setdefault("agents", {})[agent_id] = agent_info
save_agent_status(data)
return router.success_response(
data={"timestamp": datetime.now()},
message="Agent heartbeat updated successfully"
)
@router.post("/agent/task/{task_id}/update")
async def update_task_status(task_id: str, update: Dict[str, Any]):
"""Update status of a specific task"""
data = load_agent_status()
if task_id not in data.get("tasks", {}):
raise router.not_found_error("Task", task_id)
# Update task fields
task_data = data["tasks"][task_id]
if "status" in update:
task_data["status"] = update["status"]
if update["status"] == "running" and not task_data.get("started_at"):
task_data["started_at"] = datetime.now().isoformat()
elif update["status"] in ["completed", "failed", "cancelled"]:
task_data["completed_at"] = datetime.now().isoformat()
if "progress" in update:
task_data["progress"] = update["progress"]
if "error_message" in update:
task_data["error_message"] = update["error_message"]
if "result" in update:
task_data["result"] = update["result"]
data["tasks"][task_id] = task_data
save_agent_status(data)
return router.success_response(message="Task status updated successfully")
@router.post("/agent/task")
async def create_task(task: AgentTask):
"""Create a new agent task"""
data = load_agent_status()
# Set timestamps
if not task.started_at and task.status == "running":
task.started_at = datetime.now()
# Convert to dict and save
task_dict = task.model_dump()
task_dict["started_at"] = task_dict["started_at"].isoformat() if task_dict["started_at"] else None
task_dict["completed_at"] = task_dict["completed_at"].isoformat() if task_dict["completed_at"] else None
data.setdefault("tasks", {})[task.task_id] = task_dict
save_agent_status(data)
return router.success_response(
data={"task_id": task.task_id},
message="Task created successfully"
)
@router.delete("/agent/task/{task_id}")
async def delete_task(task_id: str):
"""Delete a task"""
data = load_agent_status()
if task_id in data.get("tasks", {}):
del data["tasks"][task_id]
save_agent_status(data)
return router.success_response(message="Task deleted successfully")
else:
raise router.not_found_error("Task", task_id)
@router.get("/agent/metrics")
async def get_agent_metrics():
"""Get agent performance metrics"""
data = load_agent_status()
total_agents = len(data.get("agents", {}))
active_agents = len([
a for a in data.get("agents", {}).values()
if a.get("status") in ["running", "busy"]
])
total_tasks = len(data.get("tasks", {}))
completed_tasks = len([
t for t in data.get("tasks", {}).values()
if t.get("status") == "completed"
])
failed_tasks = len([
t for t in data.get("tasks", {}).values()
if t.get("status") == "failed"
])
return router.success_response(
data={
"agents": {
"total": total_agents,
"active": active_agents,
"idle": total_agents - active_agents
},
"tasks": {
"total": total_tasks,
"completed": completed_tasks,
"failed": failed_tasks,
"pending": total_tasks - completed_tasks - failed_tasks
},
"success_rate": completed_tasks / max(total_tasks, 1)
}
) |