60 lines
2.6 KiB
Python
60 lines
2.6 KiB
Python
"""add_defensive_techniques_tables
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Revision ID: b011defensive
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Revises: b010threatactors
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Create Date: 2026-02-09 16:00:00.000000
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects.postgresql import UUID
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# revision identifiers, used by Alembic.
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revision: str = 'b011defensive'
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down_revision: Union[str, Sequence[str], None] = 'b010threatactors'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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"""Create defensive_techniques and defensive_technique_mappings tables."""
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# defensive_techniques
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op.create_table(
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'defensive_techniques',
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sa.Column('id', UUID(as_uuid=True), primary_key=True),
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sa.Column('d3fend_id', sa.String(), unique=True, nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('tactic', sa.String(), nullable=True),
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sa.Column('d3fend_url', sa.String(), nullable=True),
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sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
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)
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op.create_index('ix_defensive_techniques_tactic', 'defensive_techniques', ['tactic'])
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# defensive_technique_mappings (ATT&CK → D3FEND)
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op.create_table(
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'defensive_technique_mappings',
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sa.Column('id', UUID(as_uuid=True), primary_key=True),
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sa.Column('attack_technique_id', UUID(as_uuid=True),
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sa.ForeignKey('techniques.id', ondelete='CASCADE'), nullable=False),
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sa.Column('defensive_technique_id', UUID(as_uuid=True),
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sa.ForeignKey('defensive_techniques.id', ondelete='CASCADE'), nullable=False),
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)
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op.create_index('ix_dtm_attack_technique', 'defensive_technique_mappings', ['attack_technique_id'])
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op.create_index('ix_dtm_defensive_technique', 'defensive_technique_mappings', ['defensive_technique_id'])
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op.create_unique_constraint('uq_attack_defensive_technique', 'defensive_technique_mappings',
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['attack_technique_id', 'defensive_technique_id'])
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def downgrade() -> None:
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"""Drop defensive_technique_mappings and defensive_techniques tables."""
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op.drop_constraint('uq_attack_defensive_technique', 'defensive_technique_mappings', type_='unique')
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op.drop_index('ix_dtm_defensive_technique', table_name='defensive_technique_mappings')
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op.drop_index('ix_dtm_attack_technique', table_name='defensive_technique_mappings')
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op.drop_table('defensive_technique_mappings')
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op.drop_index('ix_defensive_techniques_tactic', table_name='defensive_techniques')
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op.drop_table('defensive_techniques')
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