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52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
"""Track image availability and persistent synchronization jobs.
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Revision ID: d9e8a2b7c401
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Revises: c7e4a9f1d2b6
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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 = "d9e8a2b7c401"
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down_revision = "c7e4a9f1d2b6"
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branch_labels = None
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depends_on = None
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def upgrade():
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# Startup also uses this for unversioned databases previously created from
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# metadata, which may already contain some/all of these additive fields.
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inspector = sa.inspect(op.get_bind())
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existing = {column["name"] for column in inspector.get_columns("images")}
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for column in (
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sa.Column("availability", sa.String(), nullable=False, server_default="unknown"),
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sa.Column("file_fingerprint", sa.String()),
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sa.Column("last_seen_at", sa.DateTime()),
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sa.Column("last_verified_at", sa.DateTime()),
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sa.Column("last_error", sa.String()),
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):
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if column.name not in existing:
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op.add_column("images", column)
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if inspector.has_table("image_sync_jobs"):
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return
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op.create_table(
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"image_sync_jobs",
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sa.Column("job_id", sa.String(), primary_key=True),
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sa.Column("status", sa.String(), nullable=False),
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sa.Column("dry_run", sa.Boolean(), nullable=False),
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sa.Column("force_checksum", sa.Boolean(), nullable=False),
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sa.Column("finished_at", sa.DateTime()),
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sa.Column("counts", sa.JSON(), nullable=False),
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sa.Column("errors", sa.JSON(), nullable=False),
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sa.Column("created_at", sa.DateTime(), server_default=sa.func.current_timestamp()),
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sa.Column("updated_at", sa.DateTime(), server_default=sa.func.current_timestamp()),
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)
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def downgrade():
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op.drop_table("image_sync_jobs")
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# Do not rebuild images: dropping the old table during a SQLite batch
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# rebuild would cascade-delete image_template_map entries with FK enabled.
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for name in ("last_error", "last_verified_at", "last_seen_at", "file_fingerprint", "availability"):
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op.drop_column("images", name)
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