From 9144f30a18aa1b02b222d246244f58292cb97148 Mon Sep 17 00:00:00 2001
From: host <arumyantsev@rummail.ru>
Date: Sun, 9 Aug 2026 14:31:01 +0300
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---
 backend/app/models.py | 70 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 68 insertions(+), 2 deletions(-)

diff --git a/backend/app/models.py b/backend/app/models.py
index 1bf4d5e..14bad38 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -1,8 +1,8 @@
 from datetime import datetime, timezone
 from enum import Enum
 
-from sqlalchemy import Boolean, DateTime, Enum as SqlEnum, Integer, String
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy import Boolean, DateTime, Enum as SqlEnum, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from .database import Base
 
@@ -14,6 +14,24 @@ class UserRole(str, Enum):
     client = "client"
 
 
+class GuestType(str, Enum):
+    """Тип виртуализированной системы."""
+
+    vm = "vm"
+    lxc = "lxc"
+
+
+class InstanceStatus(str, Enum):
+    """Состояние инстанса в панели."""
+
+    creating = "creating"
+    running = "running"
+    stopped = "stopped"
+    error = "error"
+    deleting = "deleting"
+    deleted = "deleted"
+
+
 class User(Base):
     """Пользователь панели с Argon2id-хешем пароля."""
 
@@ -31,3 +49,51 @@ class User(Base):
         default=lambda: datetime.now(timezone.utc),
         nullable=False,
     )
+    instances: Mapped[list["Instance"]] = relationship(back_populates="owner")
+
+
+class Template(Base):
+    """Тарифный шаблон VM или LXC, доступный клиентам."""
+
+    __tablename__ = "templates"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    name: Mapped[str] = mapped_column(String(64), unique=True, index=True)
+    description: Mapped[str] = mapped_column(Text, default="")
+    guest_type: Mapped[GuestType] = mapped_column(SqlEnum(GuestType), nullable=False)
+    source_vmid: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    source_template: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    cores: Mapped[int] = mapped_column(Integer, default=1, nullable=False)
+    memory_mb: Mapped[int] = mapped_column(Integer, default=1024, nullable=False)
+    disk_gb: Mapped[int] = mapped_column(Integer, default=10, nullable=False)
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        default=lambda: datetime.now(timezone.utc),
+        nullable=False,
+    )
+    instances: Mapped[list["Instance"]] = relationship(back_populates="template")
+
+
+class Instance(Base):
+    """Инстанс VM/LXC, принадлежащий пользователю."""
+
+    __tablename__ = "instances"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    name: Mapped[str] = mapped_column(String(63))
+    vmid: Mapped[int | None] = mapped_column(Integer, unique=True, nullable=True)
+    node: Mapped[str] = mapped_column(String(64))
+    guest_type: Mapped[GuestType] = mapped_column(SqlEnum(GuestType), nullable=False)
+    status: Mapped[InstanceStatus] = mapped_column(
+        SqlEnum(InstanceStatus), default=InstanceStatus.creating, nullable=False
+    )
+    owner_id: Mapped[int] = mapped_column(ForeignKey("users.id"), index=True)
+    template_id: Mapped[int] = mapped_column(ForeignKey("templates.id"), index=True)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        default=lambda: datetime.now(timezone.utc),
+        nullable=False,
+    )
+    owner: Mapped[User] = relationship(back_populates="instances")
+    template: Mapped[Template] = relationship(back_populates="instances")