7147b15e13
- Migration 032 creates device_interfaces with RLS, MAC index, unique(device_id, name) - DeviceInterface SQLAlchemy model with all columns and device relationship Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
"""Create device_interfaces table for MAC-to-device resolution.
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Revision ID: 032
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Revises: 031
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Create Date: 2026-03-19
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Stores interface metadata (name, MAC, type, running state) per device.
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Used by link discovery to resolve MAC addresses to specific devices.
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"""
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import sqlalchemy as sa
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from alembic import op
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revision = "032"
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down_revision = "031"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.create_table(
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"device_interfaces",
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sa.Column(
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"id",
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sa.dialects.postgresql.UUID(as_uuid=True),
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primary_key=True,
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server_default=sa.text("gen_random_uuid()"),
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),
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sa.Column(
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"device_id",
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sa.dialects.postgresql.UUID(as_uuid=True),
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sa.ForeignKey("devices.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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),
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sa.Column(
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"tenant_id",
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sa.dialects.postgresql.UUID(as_uuid=True),
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sa.ForeignKey("tenants.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column("name", sa.String(255), nullable=False),
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sa.Column("mac_address", sa.String(17), nullable=False),
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sa.Column("type", sa.String(50), nullable=False),
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sa.Column("running", sa.Boolean, nullable=False, server_default=sa.text("false")),
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sa.Column(
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"updated_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.UniqueConstraint("device_id", "name", name="uq_device_interfaces_device_name"),
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)
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op.create_index("idx_device_interfaces_mac", "device_interfaces", ["mac_address"])
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op.create_index("idx_device_interfaces_tenant", "device_interfaces", ["tenant_id"])
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# Enable RLS with tenant isolation policy
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conn = op.get_bind()
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conn.execute(sa.text("ALTER TABLE device_interfaces ENABLE ROW LEVEL SECURITY"))
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conn.execute(sa.text("ALTER TABLE device_interfaces FORCE ROW LEVEL SECURITY"))
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conn.execute(
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sa.text("""
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CREATE POLICY tenant_isolation ON device_interfaces
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USING (
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tenant_id::text = current_setting('app.current_tenant', true)
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OR current_setting('app.current_tenant', true) = 'super_admin'
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)
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WITH CHECK (
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tenant_id::text = current_setting('app.current_tenant', true)
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OR current_setting('app.current_tenant', true) = 'super_admin'
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)
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""")
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)
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def downgrade() -> None:
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conn = op.get_bind()
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conn.execute(sa.text("DROP POLICY IF EXISTS tenant_isolation ON device_interfaces"))
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op.drop_table("device_interfaces")
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