Archived
108 lines
4.8 KiB
Python
108 lines
4.8 KiB
Python
import logging
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from fastapi import APIRouter, Depends, HTTPException, status
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from sqlalchemy import select
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from sqlalchemy.orm import Session
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from .. import models, proxmox_client as pve, schemas
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from ..config import settings
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from ..database import get_db
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from ..deps import get_current_user
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from ..proxmox_actions import delete_guest
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logger = logging.getLogger(__name__)
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router = APIRouter(prefix="/instances", tags=["instances"])
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@router.get("", response_model=list[schemas.InstanceOut])
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def list_instances(db: Session = Depends(get_db), user: models.User = Depends(get_current_user)):
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"""Клиент видит только свои инстансы, администратор — все."""
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query = select(models.Instance).where(models.Instance.status != models.InstanceStatus.deleted)
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if user.role != models.UserRole.admin:
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query = query.where(models.Instance.owner_id == user.id)
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return list(db.scalars(query.order_by(models.Instance.created_at.desc())))
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def _save_error(db: Session, instance: models.Instance, exc: Exception) -> None:
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"""Помечает инстанс ошибочным без сохранения деталей Proxmox пользователю."""
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instance.status = models.InstanceStatus.error
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db.commit()
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logger.exception("Ошибка провижининга instance_id=%s: %s", instance.id, exc)
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@router.post("", response_model=schemas.InstanceCreateOut, status_code=status.HTTP_201_CREATED)
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def create_instance(payload: schemas.InstanceCreate, db: Session = Depends(get_db), user: models.User = Depends(get_current_user)):
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"""Создаёт и запускает VM/LXC из активного шаблона."""
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template = db.scalar(select(models.Template).where(
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models.Template.id == payload.template_id,
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models.Template.is_active.is_(True),
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))
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if template is None:
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raise HTTPException(status_code=404, detail="Активный шаблон не найден")
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try:
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vmid = pve.next_vmid()
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except Exception as exc:
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logger.exception("Не удалось получить VMID из Proxmox: %s", exc)
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raise HTTPException(status_code=502, detail="Proxmox недоступен")
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instance = models.Instance(
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name=payload.name, vmid=vmid, node=settings.pve_node,
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guest_type=template.guest_type, status=models.InstanceStatus.creating,
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owner_id=user.id, template_id=template.id,
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)
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db.add(instance)
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db.commit()
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db.refresh(instance)
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try:
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if template.guest_type == models.GuestType.vm:
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pve.provision_vm(
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source_vmid=template.source_vmid, vmid=vmid, name=payload.name,
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cores=template.cores, memory_mb=template.memory_mb, disk_gb=template.disk_gb,
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username=payload.username, password=payload.password,
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)
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else:
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pve.provision_lxc(
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source_template=template.source_template, vmid=vmid, name=payload.name,
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cores=template.cores, memory_mb=template.memory_mb, disk_gb=template.disk_gb,
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password=payload.password,
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)
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except Exception as exc:
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_save_error(db, instance, exc)
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raise HTTPException(status_code=502, detail="Не удалось создать инстанс в Proxmox")
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instance.status = models.InstanceStatus.running
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db.commit()
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db.refresh(instance)
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return schemas.InstanceCreateOut(
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**schemas.InstanceOut.model_validate(instance).model_dump(),
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initial_password=payload.password,
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)
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@router.delete("/{instance_id}")
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def delete_instance(instance_id: int, db: Session = Depends(get_db), user: models.User = Depends(get_current_user)):
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"""Удаляет принадлежащую пользователю VM/LXC и отмечает запись deleted."""
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instance = db.get(models.Instance, instance_id)
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if instance is None or instance.status == models.InstanceStatus.deleted:
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raise HTTPException(status_code=404, detail="Инстанс не найден")
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if user.role != models.UserRole.admin and instance.owner_id != user.id:
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raise HTTPException(status_code=404, detail="Инстанс не найден")
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if instance.vmid is None:
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raise HTTPException(status_code=409, detail="У инстанса отсутствует VMID")
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instance.status = models.InstanceStatus.deleting
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db.commit()
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try:
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delete_guest(instance.guest_type.value, instance.vmid)
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except Exception as exc:
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instance.status = models.InstanceStatus.error
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db.commit()
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logger.exception("Ошибка удаления instance_id=%s: %s", instance.id, exc)
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raise HTTPException(status_code=502, detail="Не удалось удалить инстанс в Proxmox")
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instance.status = models.InstanceStatus.deleted
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db.commit()
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return {"ok": True}
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