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tapehoard/backend/alembic/versions/9a6e70fabf7b_initial_schema.py
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2026-04-22 21:59:23 -04:00

122 lines
4.1 KiB
Python

"""Initial schema
Revision ID: 9a6e70fabf7b
Revises:
Create Date: 2026-04-22 15:12:10.997643
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision: str = "9a6e70fabf7b"
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Upgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.create_table(
"backups",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("job_name", sa.String(), nullable=False),
sa.Column("job_type", sa.String(), nullable=False),
sa.Column("start_time", sa.DateTime(), nullable=False),
sa.Column("end_time", sa.DateTime(), nullable=True),
sa.Column("status", sa.String(), nullable=False),
sa.PrimaryKeyConstraint("id"),
)
op.create_table(
"filesystem_state",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("file_path", sa.String(), nullable=False),
sa.Column("size", sa.Integer(), nullable=False),
sa.Column("mtime", sa.Float(), nullable=False),
sa.Column("sha256_hash", sa.String(), nullable=True),
sa.Column("last_seen_timestamp", sa.DateTime(), nullable=False),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
op.f("ix_filesystem_state_file_path"),
"filesystem_state",
["file_path"],
unique=True,
)
op.create_index(
op.f("ix_filesystem_state_sha256_hash"),
"filesystem_state",
["sha256_hash"],
unique=False,
)
op.create_table(
"storage_media",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("media_type", sa.String(), nullable=False),
sa.Column("identifier", sa.String(), nullable=False),
sa.Column("generation_tier", sa.String(), nullable=True),
sa.Column("capacity", sa.Integer(), nullable=False),
sa.Column("bytes_used", sa.Integer(), nullable=False),
sa.Column("location", sa.String(), nullable=True),
sa.Column("status", sa.String(), nullable=False),
sa.PrimaryKeyConstraint("id"),
)
op.create_index(
op.f("ix_storage_media_identifier"),
"storage_media",
["identifier"],
unique=True,
)
op.create_table(
"file_versions",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("filesystem_state_id", sa.Integer(), nullable=False),
sa.Column("media_id", sa.Integer(), nullable=False),
sa.Column("file_number", sa.String(), nullable=False),
sa.Column("offset_in_tar", sa.Integer(), nullable=True),
sa.ForeignKeyConstraint(
["filesystem_state_id"],
["filesystem_state.id"],
),
sa.ForeignKeyConstraint(
["media_id"],
["storage_media.id"],
),
sa.PrimaryKeyConstraint("id"),
)
op.create_table(
"job_logs",
sa.Column("id", sa.Integer(), nullable=False),
sa.Column("backup_id", sa.Integer(), nullable=False),
sa.Column("timestamp", sa.DateTime(), nullable=False),
sa.Column("log_level", sa.String(), nullable=False),
sa.Column("message", sa.String(), nullable=False),
sa.ForeignKeyConstraint(
["backup_id"],
["backups.id"],
),
sa.PrimaryKeyConstraint("id"),
)
# ### end Alembic commands ###
def downgrade() -> None:
"""Downgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.drop_table("job_logs")
op.drop_table("file_versions")
op.drop_index(op.f("ix_storage_media_identifier"), table_name="storage_media")
op.drop_table("storage_media")
op.drop_index(
op.f("ix_filesystem_state_sha256_hash"), table_name="filesystem_state"
)
op.drop_index(op.f("ix_filesystem_state_file_path"), table_name="filesystem_state")
op.drop_table("filesystem_state")
op.drop_table("backups")
# ### end Alembic commands ###