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