Bruno Charest
5bc12d0729
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95 lines
4.8 KiB
Python
95 lines
4.8 KiB
Python
"""Add terminal_command_logs table for command history
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Revision ID: 0014
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Revises: 0013_add_terminal_sessions_table
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Create Date: 2024-12-18
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This migration creates the terminal_command_logs table to store
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validated terminal commands for history and audit purposes.
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy import inspect
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# revision identifiers, used by Alembic.
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revision = '0014'
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down_revision = '0013'
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branch_labels = None
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depends_on = None
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def table_exists(table_name: str) -> bool:
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"""Check if a table exists in the database."""
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bind = op.get_bind()
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inspector = inspect(bind)
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return table_name in inspector.get_table_names()
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def index_exists(index_name: str, table_name: str) -> bool:
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"""Check if an index exists on a table."""
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bind = op.get_bind()
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inspector = inspect(bind)
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indexes = inspector.get_indexes(table_name)
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return any(idx['name'] == index_name for idx in indexes)
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def upgrade() -> None:
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# Check if table already exists (idempotent migration)
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if table_exists('terminal_command_logs'):
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print("Table 'terminal_command_logs' already exists, skipping creation.")
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else:
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op.create_table(
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'terminal_command_logs',
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sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
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sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
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sa.Column('host_id', sa.String(), nullable=False),
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sa.Column('user_id', sa.String(), nullable=True),
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sa.Column('terminal_session_id', sa.String(64), nullable=True),
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sa.Column('command', sa.Text(), nullable=False),
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sa.Column('command_hash', sa.String(64), nullable=False),
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sa.Column('source', sa.String(20), server_default='terminal', nullable=False),
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sa.Column('is_blocked', sa.Boolean(), server_default='0', nullable=False),
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sa.Column('blocked_reason', sa.String(255), nullable=True),
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sa.Column('username', sa.String(100), nullable=True),
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sa.Column('host_name', sa.String(100), nullable=True),
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sa.PrimaryKeyConstraint('id'),
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sa.ForeignKeyConstraint(['host_id'], ['hosts.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='SET NULL'),
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)
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# Create indexes for efficient querying (only if they don't exist)
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if not index_exists('ix_terminal_command_logs_created_at', 'terminal_command_logs'):
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op.create_index('ix_terminal_command_logs_created_at', 'terminal_command_logs', ['created_at'])
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if not index_exists('ix_terminal_command_logs_host_id', 'terminal_command_logs'):
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op.create_index('ix_terminal_command_logs_host_id', 'terminal_command_logs', ['host_id'])
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if not index_exists('ix_terminal_command_logs_user_id', 'terminal_command_logs'):
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op.create_index('ix_terminal_command_logs_user_id', 'terminal_command_logs', ['user_id'])
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if not index_exists('ix_terminal_command_logs_terminal_session_id', 'terminal_command_logs'):
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op.create_index('ix_terminal_command_logs_terminal_session_id', 'terminal_command_logs', ['terminal_session_id'])
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if not index_exists('ix_terminal_command_logs_command_hash', 'terminal_command_logs'):
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op.create_index('ix_terminal_command_logs_command_hash', 'terminal_command_logs', ['command_hash'])
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# Composite indexes for common query patterns
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if not index_exists('ix_terminal_cmd_host_created', 'terminal_command_logs'):
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op.create_index('ix_terminal_cmd_host_created', 'terminal_command_logs', ['host_id', 'created_at'])
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if not index_exists('ix_terminal_cmd_user_created', 'terminal_command_logs'):
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op.create_index('ix_terminal_cmd_user_created', 'terminal_command_logs', ['user_id', 'created_at'])
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if not index_exists('ix_terminal_cmd_host_hash', 'terminal_command_logs'):
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op.create_index('ix_terminal_cmd_host_hash', 'terminal_command_logs', ['host_id', 'command_hash'])
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def downgrade() -> None:
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# Drop indexes
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op.drop_index('ix_terminal_cmd_host_hash', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_cmd_user_created', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_cmd_host_created', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_command_logs_command_hash', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_command_logs_terminal_session_id', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_command_logs_user_id', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_command_logs_host_id', table_name='terminal_command_logs')
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op.drop_index('ix_terminal_command_logs_created_at', table_name='terminal_command_logs')
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# Drop table
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op.drop_table('terminal_command_logs')
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