SurfSense/surfsense_backend/alembic/versions/12_add_logs_table.py

91 lines
2.9 KiB
Python

"""Add LogLevel and LogStatus enums and logs table
Revision ID: 12
Revises: 11
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy import inspect
# revision identifiers, used by Alembic.
revision: str = "12"
down_revision: Union[str, None] = "11"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
"""Upgrade schema - add LogLevel and LogStatus enums and logs table."""
# Create LogLevel enum if it doesn't exist
op.execute("""
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'loglevel') THEN
CREATE TYPE loglevel AS ENUM ('DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL');
END IF;
END$$;
""")
# Create LogStatus enum if it doesn't exist
op.execute("""
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'logstatus') THEN
CREATE TYPE logstatus AS ENUM ('IN_PROGRESS', 'SUCCESS', 'FAILED');
END IF;
END$$;
""")
# Create logs table if it doesn't exist
op.execute("""
CREATE TABLE IF NOT EXISTS logs (
id SERIAL PRIMARY KEY,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
level loglevel NOT NULL,
status logstatus NOT NULL,
message TEXT NOT NULL,
source VARCHAR(200),
log_metadata JSONB DEFAULT '{}',
search_space_id INTEGER NOT NULL REFERENCES searchspaces(id) ON DELETE CASCADE
);
""")
# Get existing indexes
conn = op.get_bind()
inspector = inspect(conn)
existing_indexes = [idx['name'] for idx in inspector.get_indexes('logs')]
# Create indexes only if they don't already exist
if 'ix_logs_id' not in existing_indexes:
op.create_index('ix_logs_id', 'logs', ['id'])
if 'ix_logs_created_at' not in existing_indexes:
op.create_index('ix_logs_created_at', 'logs', ['created_at'])
if 'ix_logs_level' not in existing_indexes:
op.create_index('ix_logs_level', 'logs', ['level'])
if 'ix_logs_status' not in existing_indexes:
op.create_index('ix_logs_status', 'logs', ['status'])
if 'ix_logs_source' not in existing_indexes:
op.create_index('ix_logs_source', 'logs', ['source'])
def downgrade() -> None:
"""Downgrade schema - remove logs table and enums."""
# Drop indexes
op.drop_index('ix_logs_source', table_name='logs')
op.drop_index('ix_logs_status', table_name='logs')
op.drop_index('ix_logs_level', table_name='logs')
op.drop_index('ix_logs_created_at', table_name='logs')
op.drop_index('ix_logs_id', table_name='logs')
# Drop logs table
op.drop_table('logs')
# Drop enums
op.execute("DROP TYPE IF EXISTS logstatus")
op.execute("DROP TYPE IF EXISTS loglevel")