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Aegis/backend/alembic/versions/b019_add_composite_indexes.py
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feat(phase-34): resolve blocking tech debt — Redis, domain exceptions, indexes, CI
Foundational changes required before any new feature work can begin.

- 0.1 Redis infrastructure: add redis:7-alpine to docker-compose dev and prod,
  REDIS_URL config, singleton client in app/infrastructure/redis_client.py
- 0.2 Token blacklist on Redis SEC-001: replace in-memory dict with Redis SETEX
  keyed by jti, auto-expiring TTL derived from token exp
- 0.3 Database indexes SR-006: Alembic migration b019 with 5 composite indexes
  for scoring, MTTD/MTTR, remediation, and notification queries
- 0.4 Domain exceptions TD-003: app/domain/exceptions.py with typed errors,
  error_handler middleware mapping them to HTTP, services decoupled from FastAPI
- 0.5 Fix silenced exceptions TD-007: replace 4 bare except-pass blocks in
  test_workflow_service with logger.warning with exc_info
- 0.6 CI pipeline TD-009: GitHub Actions workflow with Postgres and Redis
  service containers, ruff lint, pytest; ruff.toml for baseline config
2026-02-17 15:43:05 +01:00

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2.4 KiB
Python

"""add_composite_indexes
Additional composite indexes for scoring, heatmap, metrics, reports,
MTTD/MTTR calculations, and notification queries.
Revision ID: b019composite
Revises: b018perfidx
Create Date: 2026-02-17 14:00:00.000000
"""
from typing import Sequence, Union
from alembic import op
# revision identifiers, used by Alembic.
revision: str = "b019composite"
down_revision: Union[str, None] = "b018perfidx"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
# ── Tests ────────────────────────────────────────────────────────
# Used by scoring queries that filter by state + validation date
op.create_index(
"ix_tests_state_red_validated_at",
"tests",
["state", "red_validated_at"],
)
# Used by remediation dashboard and metrics
op.create_index(
"ix_tests_remediation_status",
"tests",
["remediation_status"],
)
# ── Audit logs ───────────────────────────────────────────────────
# Three-column index for MTTD/MTTR queries that filter by entity + action
op.create_index(
"ix_audit_logs_entity_type_entity_id_action",
"audit_logs",
["entity_type", "entity_id", "action"],
)
# Used for per-user audit trail queries
op.create_index(
"ix_audit_logs_user_id",
"audit_logs",
["user_id"],
)
# ── Notifications ────────────────────────────────────────────────
# Used by "unread notifications" badge and inbox queries
op.create_index(
"ix_notifications_user_id_read",
"notifications",
["user_id", "read"],
)
def downgrade() -> None:
op.drop_index("ix_notifications_user_id_read", table_name="notifications")
op.drop_index("ix_audit_logs_user_id", table_name="audit_logs")
op.drop_index("ix_audit_logs_entity_type_entity_id_action", table_name="audit_logs")
op.drop_index("ix_tests_remediation_status", table_name="tests")
op.drop_index("ix_tests_state_red_validated_at", table_name="tests")