mirror of
https://github.com/GNS3/gns3-server.git
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161b7feb01
- Include `version` field in all LLM model config response schemas - Add `expected_version` parameter to update endpoints for optimistic locking - Handle concurrent modification errors with HTTP 409 Conflict status - Update both user and group config endpoints consistently
74 lines
3.2 KiB
Python
74 lines
3.2 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2026 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 Column, Boolean, ForeignKey, CheckConstraint, UniqueConstraint, Index, Integer
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from sqlalchemy.dialects.postgresql import JSONB
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from sqlalchemy.orm import relationship
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from .base import BaseTable, generate_uuid, GUID
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import logging
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log = logging.getLogger(__name__)
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class LLMModelConfig(BaseTable):
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"""
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LLM model configuration for users and user groups.
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Supports inheritance: users can inherit configs from their groups.
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"""
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__tablename__ = "llm_model_configs"
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config_id = Column(GUID, primary_key=True, default=generate_uuid)
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config = Column(JSONB, nullable=False) # All config fields including name, provider, etc.
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user_id = Column(GUID, ForeignKey("users.user_id", ondelete="CASCADE"), nullable=True)
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group_id = Column(GUID, ForeignKey("user_groups.user_group_id", ondelete="CASCADE"), nullable=True)
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is_default = Column(Boolean, default=False, nullable=False)
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version = Column(Integer, default=0, nullable=False) # Optimistic locking version
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# Relationships
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user = relationship("User", backref="llm_model_configs")
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group = relationship("UserGroup", backref="llm_model_configs")
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# Constraints
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__table_args__ = (
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# Ensure a config belongs to either a user or a group, not both
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CheckConstraint(
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"(user_id IS NOT NULL AND group_id IS NULL) OR "
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"(user_id IS NULL AND group_id IS NOT NULL)",
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name="single_owner_check"
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),
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# Each user can have at most one default config
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UniqueConstraint("user_id", "is_default", name="unique_user_default",
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deferrable=True, initially="deferred",
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postgresql_where="is_default = TRUE AND user_id IS NOT NULL"),
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# Each group can have at most one default config
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UniqueConstraint("group_id", "is_default", name="unique_group_default",
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deferrable=True, initially="deferred",
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postgresql_where="is_default = TRUE AND group_id IS NOT NULL"),
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# Indexes for efficient queries
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Index("idx_llm_model_configs_user_id", "user_id"),
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Index("idx_llm_model_configs_group_id", "group_id"),
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Index("idx_llm_model_configs_config", "config", postgresql_using="gin"),
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)
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def __repr__(self):
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config_name = self.config.get("name", "unnamed") if self.config else "unnamed"
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owner = f"user_{self.user_id}" if self.user_id else f"group_{self.group_id}"
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return f"<LLMModelConfig {config_name} for {owner} (default={self.is_default}, version={self.version})>"
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