72 lines
2.9 KiB
Python
72 lines
2.9 KiB
Python
"""Add audited compute-node decommission tombstones and operation records.
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Revision ID: 20260828_0022
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Revises: 20260827_0021
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = "20260828_0022"
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down_revision: str | None = "20260827_0021"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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op.add_column(
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"compute_nodes",
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sa.Column("generation", sa.BigInteger(), nullable=False, server_default="1"),
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)
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op.add_column("compute_nodes", sa.Column("decommissioned_at", sa.DateTime(timezone=True)))
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op.add_column("compute_nodes", sa.Column("decommission_reason", sa.Text()))
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op.add_column("compute_nodes", sa.Column("decommissioned_by", sa.String(255)))
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op.create_index("ix_compute_nodes_decommissioned_at", "compute_nodes", ["decommissioned_at"])
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op.create_table(
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"node_decommission_operations",
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sa.Column("id", sa.Uuid(), primary_key=True, nullable=False),
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sa.Column(
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"compute_node_id",
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sa.Uuid(),
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sa.ForeignKey("compute_nodes.id", ondelete="RESTRICT"),
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nullable=False,
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),
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sa.Column("persisted_identity", sa.String(128), nullable=False),
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sa.Column("idempotency_key", sa.String(128), nullable=False),
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sa.Column("expected_generation", sa.BigInteger(), nullable=False),
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sa.Column("preview_digest", sa.String(64), nullable=False),
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sa.Column("reason", sa.Text(), nullable=False),
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sa.Column("operator", sa.String(255), nullable=False),
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sa.Column("previous_state", sa.JSON(), nullable=False),
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sa.Column("cleanup_summary", sa.JSON(), nullable=False),
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sa.Column("status", sa.String(32), nullable=False, server_default="completed"),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.func.now(),
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),
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sa.Column("decommissioned_at", sa.DateTime(timezone=True), nullable=False),
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sa.UniqueConstraint("compute_node_id", name="uq_node_decommission_node"),
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sa.UniqueConstraint("idempotency_key", name="uq_node_decommission_idempotency"),
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sa.CheckConstraint("expected_generation >= 1", name="ck_node_decommission_generation"),
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)
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for column in ("compute_node_id", "persisted_identity", "status", "decommissioned_at"):
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op.create_index(
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f"ix_node_decommission_operations_{column}",
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"node_decommission_operations",
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[column],
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)
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def downgrade() -> None:
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op.drop_table("node_decommission_operations")
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op.drop_index("ix_compute_nodes_decommissioned_at", table_name="compute_nodes")
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op.drop_column("compute_nodes", "decommissioned_by")
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op.drop_column("compute_nodes", "decommission_reason")
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op.drop_column("compute_nodes", "decommissioned_at")
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op.drop_column("compute_nodes", "generation")
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