Automatic audit logging using SQLA events

alembic/versions/875841fac207_add_audit_events_table.py

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+"""add audit_events table
+
+Revision ID: 875841fac207
+Revises: 2572be7fb7fc
+Create Date: 2018-09-13 15:34:18.815205
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '875841fac207'
+down_revision = '359caaf8c5f1'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('audit_events',
+    sa.Column('time_created', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('time_updated', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('id', postgresql.UUID(as_uuid=True), server_default=sa.text('uuid_generate_v4()'), nullable=False),
+    sa.Column('user_id', postgresql.UUID(as_uuid=True), nullable=True),
+    sa.Column('resource_name', sa.String(), nullable=False),
+    sa.Column('resource_id', postgresql.UUID(as_uuid=True), nullable=False),
+    sa.Column('action', sa.String(), nullable=False),
+    sa.Column('workspace_id', postgresql.UUID(as_uuid=True), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id']),
+    sa.ForeignKeyConstraint(['workspace_id'], ['workspaces.id']),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_audit_events_resource_id'), 'audit_events', ['resource_id'], unique=False)
+    op.create_index(op.f('ix_audit_events_user_id'), 'audit_events', ['user_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_audit_events_user_id'), table_name='audit_events')
+    op.drop_index(op.f('ix_audit_events_resource_id'), table_name='audit_events')
+    op.drop_table('audit_events')
+    # ### end Alembic commands ###