Agent Zero
480 lines
15 KiB
Python
480 lines
15 KiB
Python
"""API routes for the Agents plugin — /api/v1/agents.
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Endpoints: agent definitions CRUD, execute, test-run, runs, versions, tools.
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"""
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from __future__ import annotations
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import logging
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import uuid
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from typing import Any
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from fastapi import APIRouter, Depends, HTTPException, Query
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.db import get_db, set_tenant_context
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from app.deps import get_current_user, require_permission
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from app.plugins.builtins.automation.models import (
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AgentDefinition,
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AgentRun,
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AgentVersion,
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)
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from app.plugins.builtins.automation.schemas import (
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AgentDefinitionCreate,
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AgentDefinitionListResponse,
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AgentDefinitionResponse,
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AgentDefinitionUpdate,
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AgentMessageRequest,
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AgentRunListResponse,
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AgentRunResponse,
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AgentVersionListResponse,
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AgentVersionResponse,
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)
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from app.plugins.builtins.automation.services import (
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AgentService,
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RunLogService,
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)
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/api/v1/agents", tags=["agents"])
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# ─── Helper Functions ───
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def _agent_to_response(a: AgentDefinition) -> AgentDefinitionResponse:
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"""Convert AgentDefinition model to response schema."""
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return AgentDefinitionResponse(
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id=str(a.id),
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name=a.name,
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description=a.description or "",
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llm_model=a.llm_model,
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system_prompt=a.system_prompt or "",
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tool_ids=[str(t) for t in (a.tool_ids or [])],
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heartbeat_interval_seconds=a.heartbeat_interval_seconds,
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mode=a.mode,
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is_active=a.is_active,
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max_executions_per_hour=a.max_executions_per_hour,
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max_duration_seconds=a.max_duration_seconds,
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budget_limit_usd=a.budget_limit_usd,
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created_by=str(a.created_by) if a.created_by else None,
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created_at=a.created_at.isoformat() if a.created_at else None,
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updated_at=a.updated_at.isoformat() if a.updated_at else None,
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)
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def _agent_run_to_response(r: AgentRun) -> AgentRunResponse:
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"""Convert AgentRun model to response schema."""
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return AgentRunResponse(
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id=str(r.id),
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agent_id=str(r.agent_id),
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status=r.status,
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started_at=r.started_at.isoformat() if r.started_at else "",
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completed_at=r.completed_at.isoformat() if r.completed_at else None,
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duration_seconds=r.duration_seconds,
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result=r.result,
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error=r.error,
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cost_usd=r.cost_usd,
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trigger_type=r.trigger_type,
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trigger_data=r.trigger_data or {},
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created_at=r.created_at.isoformat() if r.created_at else None,
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)
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def _agent_version_to_response(v: AgentVersion) -> AgentVersionResponse:
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"""Convert AgentVersion model to response schema."""
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return AgentVersionResponse(
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id=str(v.id),
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agent_id=str(v.agent_id),
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version_number=v.version_number,
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snapshot=v.snapshot or {},
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changed_by=str(v.changed_by) if v.changed_by else None,
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created_at=v.created_at.isoformat() if v.created_at else None,
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)
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# ─── CRUD Endpoints ───
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@router.get(
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"",
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dependencies=[Depends(require_permission("agents:read"))],
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response_model=AgentDefinitionListResponse,
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)
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async def list_agents(
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is_active: bool | None = Query(None),
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mode: str | None = Query(None),
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limit: int = Query(50, ge=1, le=200),
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offset: int = Query(0, ge=0),
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List agent definitions with optional filters."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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items, total = await AgentService.list(
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db, tenant_id, is_active=is_active, mode=mode, limit=limit, offset=offset
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)
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return AgentDefinitionListResponse(
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items=[_agent_to_response(a) for a in items],
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total=total,
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)
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@router.post(
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"/",
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dependencies=[Depends(require_permission("agents:write"))],
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response_model=AgentDefinitionResponse,
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status_code=201,
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)
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async def create_agent(
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data: AgentDefinitionCreate,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Create a new agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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user_id = uuid.UUID(current_user["user_id"])
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agent = await AgentService.create(db, tenant_id, data.model_dump(), user_id=user_id)
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return _agent_to_response(agent)
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@router.get(
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"/tools",
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dependencies=[Depends(require_permission("agents:read"))],
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)
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async def list_tools(
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current_user: dict[str, Any] = Depends(get_current_user),
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):
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"""List available tools from the tool registry."""
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try:
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from app.plugins.builtins.ai_assistant.tool_registry import (
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get_tool_registry,
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)
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registry = get_tool_registry()
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tools = registry.list_tools()
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return {
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"items": [
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{
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"id": t.get("id", t.get("name", "")),
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"name": t.get("name", ""),
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"description": t.get("description", ""),
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"plugin": t.get("plugin", ""),
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}
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for t in tools
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],
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"total": len(tools),
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}
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except ImportError:
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return {"items": [], "total": 0, "note": "Tool registry not available"}
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except Exception as e:
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logger.exception("Failed to list tools")
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return {"items": [], "total": 0, "error": str(e)}
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# ─── Recent Runs ───
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@router.get(
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"/runs/recent",
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dependencies=[Depends(require_permission("agents:read"))],
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response_model=AgentRunListResponse,
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)
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async def list_recent_agent_runs(
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limit: int = Query(20, ge=1, le=100),
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status: str | None = Query(None),
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List recent agent runs across all agents (for dashboard)."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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items, total = await RunLogService.list_agent_runs(
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db, tenant_id, agent_id=None, status=status, limit=limit, offset=0
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)
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return AgentRunListResponse(
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items=[_agent_run_to_response(r) for r in items],
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total=total,
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)
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@router.get(
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"/{agent_id}",
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dependencies=[Depends(require_permission("agents:read"))],
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response_model=AgentDefinitionResponse,
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)
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async def get_agent(
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agent_id: str,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Get a single agent definition by ID."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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agent = await AgentService.get_by_id(db, tenant_id, aid)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent not found")
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return _agent_to_response(agent)
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@router.patch(
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"/{agent_id}",
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dependencies=[Depends(require_permission("agents:write"))],
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response_model=AgentDefinitionResponse,
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)
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async def update_agent(
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agent_id: str,
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data: AgentDefinitionUpdate,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Update an existing agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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user_id = uuid.UUID(current_user["user_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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agent = await AgentService.update(
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db, tenant_id, aid, data.model_dump(exclude_none=True), user_id=user_id
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)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent not found")
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return _agent_to_response(agent)
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@router.delete(
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"/{agent_id}",
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dependencies=[Depends(require_permission("agents:delete"))],
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)
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async def delete_agent(
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agent_id: str,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Delete an agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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success = await AgentService.delete(db, tenant_id, aid)
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if not success:
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raise HTTPException(status_code=404, detail="Agent not found")
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return {"status": "ok"}
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# ─── Execute / Test-Run ───
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@router.post(
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"/{agent_id}/execute",
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dependencies=[Depends(require_permission("agents:execute"))],
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)
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async def execute_agent(
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agent_id: str,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Execute an agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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agent = await AgentService.get_by_id(db, tenant_id, aid)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent not found")
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if not agent.is_active:
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raise HTTPException(status_code=400, detail="Agent is not active")
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# Create run log entry
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run = AgentRun(
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tenant_id=tenant_id,
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agent_id=aid,
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status="running",
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started_at=__import__("datetime").datetime.now(__import__("datetime").timezone.utc),
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trigger_type="manual",
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trigger_data={"triggered_by": str(uuid.UUID(current_user["user_id"]))},
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)
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db.add(run)
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await db.flush()
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# TODO: Execute agent asynchronously via Agent Runner
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run.status = "completed"
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run.completed_at = __import__("datetime").datetime.now(__import__("datetime").timezone.utc)
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run.duration_seconds = 0.0
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run.result = "Executed successfully (stub)"
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await db.flush()
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return {"status": "ok", "run_id": str(run.id)}
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@router.post(
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"/{agent_id}/test-run",
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dependencies=[Depends(require_permission("agents:execute"))],
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)
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async def test_run_agent(
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agent_id: str,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Test-run an agent definition (validates config without full execution)."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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agent = await AgentService.get_by_id(db, tenant_id, aid)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent not found")
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return {
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"status": "ok",
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"agent": _agent_to_response(agent),
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"validation": {
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"valid": True,
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"llm_model": agent.llm_model,
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"tool_count": len(agent.tool_ids or []),
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"mode": agent.mode,
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},
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}
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# ─── Runs ───
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@router.get(
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"/{agent_id}/runs",
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dependencies=[Depends(require_permission("agents:read"))],
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response_model=AgentRunListResponse,
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)
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async def list_agent_runs(
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agent_id: str,
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status: str | None = Query(None),
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limit: int = Query(50, ge=1, le=200),
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offset: int = Query(0, ge=0),
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List run logs for an agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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items, total = await RunLogService.list_agent_runs(
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db, tenant_id, agent_id=aid, status=status, limit=limit, offset=offset
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)
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return AgentRunListResponse(
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items=[_agent_run_to_response(r) for r in items],
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total=total,
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)
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# ─── Versions ───
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@router.get(
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"/{agent_id}/versions",
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dependencies=[Depends(require_permission("agents:read"))],
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response_model=AgentVersionListResponse,
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)
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async def list_agent_versions(
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agent_id: str,
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limit: int = Query(50, ge=1, le=200),
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offset: int = Query(0, ge=0),
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""List version history for an agent definition."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(agent_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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items, total = await AgentService.get_versions(
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db, tenant_id, aid, limit=limit, offset=offset
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)
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return AgentVersionListResponse(
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items=[_agent_version_to_response(v) for v in items],
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total=total,
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)
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@router.post(
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"/{agent_id}/versions/{version_id}/restore",
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dependencies=[Depends(require_permission("agents:write"))],
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response_model=AgentDefinitionResponse,
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)
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async def restore_agent_version(
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agent_id: str,
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version_id: str,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Restore an agent definition from a specific version."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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user_id = uuid.UUID(current_user["user_id"])
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try:
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aid = uuid.UUID(agent_id)
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vid = uuid.UUID(version_id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid ID")
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agent = await AgentService.restore_version(
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db, tenant_id, aid, vid, user_id=user_id
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)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent or version not found")
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return _agent_to_response(agent)
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# ─── Tools ───
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@router.post(
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"/{id}/send-message",
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dependencies=[Depends(require_permission("agents:execute"))],
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)
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async def send_agent_message_endpoint(
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id: str,
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body: AgentMessageRequest,
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current_user: dict[str, Any] = Depends(get_current_user),
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db: AsyncSession = Depends(get_db),
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):
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"""Send a message from one agent to another."""
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tenant_id = uuid.UUID(current_user["tenant_id"])
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try:
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aid = uuid.UUID(id)
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except (ValueError, TypeError):
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raise HTTPException(status_code=400, detail="Invalid agent ID")
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# Verify the source agent exists
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agent = await AgentService.get_by_id(db, tenant_id, aid)
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if agent is None:
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raise HTTPException(status_code=404, detail="Agent not found")
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if not agent.is_active:
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raise HTTPException(status_code=400, detail="Agent is not active")
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from app.plugins.builtins.automation.agent_comm import send_agent_message
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result = await send_agent_message(
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from_agent_id=str(aid),
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to_agent_name=body.to_agent_name,
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message=body.message,
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db=db,
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tenant_id=tenant_id,
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)
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return result
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