Pipeline/backend/migrations/versions/d2a3b4c5e6f7_add_gateway_id...

39 lines
1.1 KiB
Python

"""Add gateway_id foreign key to agents table.
Agents need to belong to a gateway so that main-agent provisioning
and session lookups can resolve which gateway an agent connects to.
Revision ID: d2a3b4c5e6f7
Revises: c4a1d2e3f4a5
Create Date: 2026-05-21 04:30:00.000000
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "d2a3b4c5e6f7"
down_revision = "c4a1d2e3f4a5"
branch_labels = None
depends_on = None
def upgrade() -> None:
"""Add gateway_id column and foreign key to agents."""
op.add_column(
"agents",
sa.Column("gateway_id", sa.Uuid(), nullable=True),
)
op.create_index("ix_agents_gateway_id", "agents", ["gateway_id"], unique=False)
op.create_foreign_key("agents_gateway_id_fkey", "agents", "gateways", ["gateway_id"], ["id"])
def downgrade() -> None:
"""Remove gateway_id from agents."""
op.drop_constraint("agents_gateway_id_fkey", "agents", type_="foreignkey")
op.drop_index("ix_agents_gateway_id", table_name="agents")
op.drop_column("agents", "gateway_id")