DB and API for resource pools

gns3server/db/models/pools.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2023 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from sqlalchemy import Table, Column, String, ForeignKey
+from sqlalchemy.orm import relationship
+
+from .base import Base, BaseTable, generate_uuid, GUID
+
+import logging
+
+log = logging.getLogger(__name__)
+
+
+resource_pool_map = Table(
+    "resource_pool_map",
+    Base.metadata,
+    Column("resource_id", GUID, ForeignKey("resources.resource_id", ondelete="CASCADE")),
+    Column("resource_pool_id", GUID, ForeignKey("resource_pools.resource_pool_id", ondelete="CASCADE"))
+)
+
+
+class Resource(BaseTable):
+
+    __tablename__ = "resources"
+
+    resource_id = Column(GUID, primary_key=True)
+    name = Column(String, unique=True, index=True)
+    resource_type = Column(String)
+    resource_pools = relationship("ResourcePool", secondary=resource_pool_map, back_populates="resources")
+
+
+class ResourcePool(BaseTable):
+
+    __tablename__ = "resource_pools"
+
+    resource_pool_id = Column(GUID, primary_key=True, default=generate_uuid)
+    name = Column(String, unique=True, index=True)
+    resources = relationship("Resource", secondary=resource_pool_map, back_populates="resource_pools")